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LENNIIHIMMASH GROUP

St. Petersburg

LENNIIHIMMASH Group owns a 10-storey building on

Vasilyevsky Island of St. Petersburg.

2

LENNIIHIMMASH Group

specialization

Gas processing plants Gas-chemical plants Chemical and

metallurgical plants

● Low-temperature gas processing with the recovery of Dry Gas and C3 +

● Gas fractionation. Recovery of propane, butane, Natural Stable Gasoline, etc.

● Stabilization of gas condensate

● Deep gas processing with recovery of ethane fraction and helium concentrate

● Gas treatment (drying, desulphurization)

● Storage and transportation of gas and gas products

● Natural gas liquefaction

● Trichlorosilylane and tetrachloride synthesis in EB reactor

● Condensation of steam-gas mixtures of Trichlorosilylane synthesis and silicon hydrogen recovery

● Rectifyng separation and purification of trichlorosilylane, tetrachloride, hydrogen chloride, etc.

● Rectifying separation and purification of olefins

● High-pressure polymerization of ethylene

● Methanol production

● Equipment design for organic synthesis processes (high pressure polyethylene, bisphenol - A, polycarbonate, etc.)

3 Off-site facilities (utilities, office building, fire station, central control room etc.)

LENNIIHIMMASH GROUP

Main divisions

Project management and execution

Complex engineering

Research and development

Corporate planning, management and finance

Total number of employees of LENNIIHIMMASH group is 310. Total number of engineers is 260, including 12 Ph.Ds in technical sciences.

4

Growth dynamics of work completed by LENNIIHIMMASH

Group

5

Orenburggazprom LLC

UDP Shurtanneftegas

OAO Surgutneftegas

Severorgsintez ZAO

OAO Usolye Siberian Silicone

OAO Gubkinsky GPC

OAO Noyabrsky GPC Vyngapurovsky GPP

OAO Yuzno-Baluksky GPC

OAO LULOIL-PNGP

Geography of major projects

executed over the last 10 years

ZAO Sibur HIMPROM

PAO Kazanorgsintez

KINEF, LLC

LUCOIL

6

ОАО SiburTyumenGaz Vyngapurovsky GPP expansion.

Construction of GPU No. 2.

Project Execution Schedules

7

Traditional project implementation schedule – from 46 months

Standard project implementation schedule in LENNIIHIMMASH Group – from 24 to 26 months

Design Stage (Stage “Project”)

State Expertise

Detailed Design Stage

Procurement

Civil and Installation Works

Commissioning and start-up

Design Stage (Stage “Project”)

State Expertise

Detailed Design Stage

Procurement

Civil and Installation Works

Commissioning and start-up

3 mos.

26 mos.

46 mos.

6 mos.

6 mos.

3 mos.

3 mos.

12 mos.

12 mos.

20 mos.

20 mos.

18 mos.

18 mos. 3 mos.

Project implementation time saving – around 40% or 18-20 mos.

Cost and terms of execution of major projects

20 20 22 14 18 month

Period of project

execution by LNHM

group

26 24 24 19 24 month

Total period of

project execution

166.0 57.0 94.0 33.5 56.0 mln

USD

Investment utilization

share of LNHM

group

234.0 79.0 172.0 67.0 108.0 mln

USD

CAPEX

for the project

LUKOIL –

Permneftegaspe

rerabotka, LLC

2012-2014

OAO

Yuzhno-

Balyksky

GPP

2010-2012

OAO Noyabrsky

GPC

Vyngapurovsky

GPP

2010 -2012

OAO

Gubkinsky

GPP

2009-2010

ZAO

Severorgsintez

2006-2008

units Indicators

275.0

202.5

24

22

OAO

Siburtyumen-Gaz

Expansion of

Vyngapurovsky

GPP. Construction

of GPU No. 2

2013-2015

Deviation from the

customer’s budget accepted

by the investment committee

•As a rule 2.5-3 years prior

to commissioning

% +10% -3% +3% +7%

At detailed design

documentation stage

under the contract

Fix EP – + 1.5%

At detailed

design

documentation

stage +2.6%

Over the last 5 years LENNIIHIMMASH Group has built APG processing facilities with capacity

of 12.5 bln m3/year

8

Complex Engineering

Design Engineering

Total number of the engineering department personnel is 188 employees.

Total man / hours – 341 775

• Inspections and engineering surveys • Pre-design works (feasibility study etc.) • Basic engineering (Stage "Project") • Detailed design (Stage"detailed design

documentation”) • Support of the design documentation during

state expertise (Glavgosexpertiza) • Author Supervision of construction • Pre-commissioning • Expert assessment of the design and

detailed design documentation

Main types of engineering works:

Technical personnel of the engineering department

Position numb.

Executives, chief project engineers 11

Process engineers 29

Installers, application engineers 49

Automation and control specialists 10

Electric engineering specialists 11

Construction experts (total): 61

- steel structure designers 21

- concrete structure designers 17

- architects 5

- plot plan experts 4

- water supply and sewerage, heating and ventilation experts

14

Estimators 8

CAD experts 9

10

Technological process modelling Design Engineering

AspenONE for Process Engineering

Product Purpose

Aspen Air Cooled Exchanger

Design and calculation of air refrigerators

Aspen HYSYS® Modelling, design of chemical and technological plants, control of equipment productivity

Aspen HYSYS® Amines

Calculation of purification of gas and liquid hydrocarbon media from CO2 and H2S with alkanolamine solutions

Aspen HYSYS® Crude

Allows to set oil sample values in the programme and to model VDU columns.

Aspen MUSE Design and calculation of plate heat exchangers used in gas-separation process

Aspen Plate Exchanger

Design and calculation of plate heat exchangers for the chemical and oil industries

Aspen Plate Fin Exchanger

Design and calculation of plate heat exchangers

Aspen Process Economic Analyzer

Forecasts cash flows and operational costs in design

Aspen Shell & Tube Mechanical

Design and mechanical calculation of shell-and-tube heat exchangers, and pressure vessels

11

12

LENNIIHIMMASH GROUP, LLC has a single integrated design environment, including 3D

modeling and 2D process solutions

AVEVA Diagrams

AVEVA

Instrumentation

AVEVA PDMS

(3D model)

Issuance of all types of

detailed design

documentation

Process flow diagram

Installation connection diagram

Lists of valves, equipment, lines

Data sheets for valves

Pipe grades

Equipment layout

Pipe routing, installation of valves and

instruments

Development of steel and r/c

structures

Development of buildings and

structures

Cable routing

Heating and ventilation system

installation

Development of water supply and

discharge systems

Data sheets for instruments

Electric schematic control and monitoring

diagrams

Connection diagrams for the external wiring of

the junction boxes

Cable list

Instrument installation diagrams

Number of AVEVA licenses– 65

Documentation development based on 3D model

Design Engineering

Outgoing documentation is generated based on the developed model (plans, views, sections, material requisitions, isometric drawings)

13

Installation of equipment, piping systems and steelwork in 3D model

Design Engineering

Solid Works

Software system for 3-dimensional design of equipment, piping assemblies and documentation development in accordance with the Unified System for Design

Documentation.

Number of Solid Works licenses – 20.

14

Process modeling (HYSYS)

• Optimum choice of heat-insulating designs and materials • Calculation of the required minimum heat-insulation layer thickness • Selection of standard sizes of products • Calculation of work scopes and total quantity of materials • Issue of design

documentation

Design Engineering

Insulation

ANSYS Structural

Strength calculation by method of finite element analysis Calculation of static, cyclic, seismic and vibration strength of pipeline systems of petrochemical and oil processing facilities

15

Projects with long execution period are managed and monitored using the method of calendar and network planning via PRIMAVERA software

Project Management

PRIMAVERA

16

2017

IV quarter

(November-

December)

I quarter II quarter III quarterIV quarter

(October)

339 559 57 737 76 880 83 595 89 631 31 716

169 731 21 885 49 489 56 227 32 829 9 301

169 828 35 852 27 391 27 368 56 802 22 415

ParameterTotal as of

2017-2018

LENNIIHIMMASH Group (total)

2018

Maximum availability, man/hour

Availability reserve, man/hour

Current project portfolio, man/hour

Availability reserve of engineering department divisions for the period from

November 2017 to October 2018 , man/hour

17

2017

IV quarter

(November-

December)

I quarter II quarter III quarterIV quarter

(October)

4 319 2 312 1 541 92 317 57

29 322 4 528 5 315 5 871 10 053 3 555

45 774 8 664 8 383 8 466 14 580 5 681

7 271 425 1 913 1 530 2 384 1 019

5 981 2 118 -233 114 2 686 1 296

106 1 475 -1 482 -2 146 1 390 869

18 178 3 669 2 344 3 155 6 581 2 429

22 999 4 917 3 245 4 274 7 591 2 972

4 260 823 307 630 1 847 653

2 908 835 266 411 917 479

10 493 2 078 1 800 1 851 3 519 1 245

5 720 1 135 696 1 262 1 941 686

6 484 1 631 1 990 446 1 479 938

6 013 1 242 1 306 1 412 1 517 536

Process division

DivisionTotal as of

2017-2018

Availability reserve of Design Engineering divisions, man/hour

2018

Construction design division. Architectural

sector

Assembly division. Configuration, pipelines

and pipe racks sectors

Assembly division. Application sector

Automation and communication division

Electrical engineering division

Construction design division. Group of

reinforced concrete structures

Construction design division. Group of steel

structures

Management personnel (executive heads,

chief and deputy chief project engineers)

Construction design division. Plot plan sector

Water supply and sewarage sector

Construction design division. Heating and

ventilation sector

Estimating department

CAD group

Engineering department

Labour force

18

Number of divisions of Engineering Department, man/hour in total: 188

Management (executive heads, chief project engineers, deputy chief project engineers)

11

Process division 29

Assembly division. Configuration, pipelines and pipe rack sectors 41

Assembly division. Application sector 8

Automation and communication division 10

Electrical engineering division 11

Construction design division. Group of reinforced concrete structures. 17

Construction design division. Group of steel structures. 21

Construction design division. Architectural sector 5

Construction design division. Plot plan sector 4

Water supply and sewerage sector 9

Construction design division. Heating and ventilation sector 5

Еstimating department 8

CAD group 9

Main technical and economical indicators of the unit:

for APG- 900 mln.st.m3/year; for additional liquefied petroleum gas (LPG) - 512

thousand tons/year.

Content of target components: C3+ - 224 g/st. m3 (LPG); C2+ - 367g/st. m3 (eLPG).

Content of target components in Dry Gas: not more than 5 g/st.m3 when receiving LPG.

Product output volume: • Dry stripped gas (1.8 MPа, 41°С) – 737.3 mln. st.

m3/year • Ethane fraction(2.1 МPа, 42°С) – 75.6 thousand

tons/year • Propane fraction (1.37 МPа, 43°С) – 296.5

thousand tons/year • Propane-butane-pentane fraction (0.8 МPа, 43°С) –

119.7 thousand tons/year • Iso-butane fraction (1.01 MPa, 43°С) – 80.7

thousand tons/year • N-butane fraction(1.0 МPа, 40°С) – 192.7 thousand

tons/year

Recovery factor C3+ 98%

“LUKOIL – Permneftegaspererabotka” OAO

Start of project– July 2012, Completion of project– December 2014

19

Reconstruction of “NTKR” (low temperature condensation and rectification) unit. Construction of the

second line for associated petroleum gas processing

CAPEX for the project: 234 mln. $ Investment utilization share of LENNIICHIMMASH Group: 166 mln. $

Functions of LENNIICHIMMASH Group:

• General designer (development of process, design and detailed design documentation. Obtaining approval of Glavgosexpertiza of Russia.

• Supplier of process equipment. • Author supervision of construction, installation of

equipment and commissioning works.

“LUKOIL - Permneftegaspererabotka” OAO

20

Main figures of the project

More than 3000 tons Volume of the supplied equipment

5 820 20 720 pcs.

Control System signals - physical - digitally transmitted from local automated systems

Operator’s human-machine interfaces

(HMI), servers, printers, optic-fiber

connection etc. (based on Yokogawa equipment)

DCS of technological process

DP-6kV pcs. Electrical equipment

55 (Air-cooling devices – 5 pcs.) pcs. Rotating equipment.

123 pcs. Static equipment

Permneftegas-pererabotka Unit Item

21

“LUKOIL – Permneftegaspererabotka” OAO

Petroleum gas compressor station

stenching block

Outdoor dryer and gas fractionation unit

Outdoor low-temperature condensation and rectification unit

Main technical-and-economic indicators of the unit:

1.4 billion m3/year on hydrocarbon gas

Content of target components in APG: С3+ - 301.1 g/nm3.

Content of target components in Dry Gas: not more than 3 g/nm3.

Product output volume:

• Dry gas (7.5 МPа, 40 °С) 0.951 billion st.m³/year;

• LPG (3.7 МPа, 40 °С) 398.2 thousand tons/year.

Recovery factor C3+ 99,4%

Start of project– September 2013

Completion of project– November 2015

22

Construction of Gas Processing Unit No.2

CAPEX for the project: 275 mln. $

Investment utilization share of

LENNIICHIMMASH Group : 202.5 mln. $

Functions of LENNIIHIMMASH Group:

• General designer (development of process, design and detailed design documentation). Obtaining approval of Glavgosexpertiza of Russia.

• Supplier of equipment and materials above and below ground level.

• Supervision of construction and installation of equipment.

• Commissioning works.

“SiburTyumenGaz” OAO Expansion of Vyngapurovsky GPP

More than 2 300 tons Volume of the supplied

equipment

1 906 tons

Piping(no fittings)

3 525 tons Steel structures

6 653 м3 Concrete

3 350 pcs. Piles (reinforced)

Materials for installation and construction works

2 557 7 990

(from compressors– 1558, Turbo expanders - 200)

pcs. Control System signals

- physical - digitally transmitted from local automated systems

Operator’s HMI, servers, printers, optic-fiber

connection etc. (based on Метsо equipment, Finland)


PTS-1, PTS-6 – 2

pcs.

Electrical equipment

52 (Air cooling devices – 26 pcs.)

pcs. Rotating equipment


Vyngapurovsky GPP-2 Unit Item

23

“SiburTyumenGaz” OAO Expansion of Vyngapurovsky GPP Main figures of the project

24

“SiburTyumenGaz” OAO Expansion of Vyngapurovsky GPP

No on PP Name of Unit

210 Preliminary Separation unit

211 Compressor station №1

212 Dehydration unit

213 Furnace unit

214 Low-temperature Condensation and Rectification unit

215 Turbo-expanding unit

216 Compressor station №2

217 Methanol Injection unit

218 Fuel Gas Treatment unit

219 Heat Transmission unit

Explication of the main processing facilities of VGPP-2

VGPP-1

VGPP-2

“Noyabrsk GPC” OAO Vyngapurovsk GPP

Start of Project– August 2010,

Completion of Project – September 2012

25

CAPEX for the project : 172 mln. $


LENNIICHIMMASH Group : 94 mln. $

Construction of Gas Processing Unit No. 1

Main technical-and-economic indicators of the unit : 2.1 billion m3/year of hydrocarbon gas Content of target components :

C3+ - 209 g/m3 (LPG)

C2+ - 348 g/m3 (ethanized LPG)

Content of target (C3+) components in DSG: 5 g/m3 at receiving LPG

3 g/m3 at receiving eLPG

Total product output: • Dry gas (6.0 MPа, 45 °С) 1.581-1.758 billion

m³/year • LPG (3.5 MPа, 20-40 °С) 349.2 th. t/year • eLPG (3.5 МPа, 20-40 °С) 561.6 th. t/year

Extraction factor C3+ 99%


• General designer (development of process, design and detailed design documentation). Obtaining approval of Glavgosexpertiza of Russia.

• Supplier of equipment and materials above ground level.



Over 2 000 tons Volume of supplied

equipment

1 258 tons

Piping (without fittings.)

1 468.45 tons Steel structures

6 318 m3 Concrete


Materials for construction and installation works

1 850 2 000

(from compressors– 1 800, turboexpanders - 200)

pcs.

Control System signals: - physical;

- digitally transmitted from local automated systems

Operator’s HMI, servers, printers, optic-fiber connection etc (based

on Metso equipment, Finland)


Transformer substations – 3 Outdoor switchgear– 1

Emergency shutdown system panel- 1

pcs.


21 (Air-cooling devices – 13 pcs.) pcs.

Rotating equipment


Vyngapurovsk GPP-1 Unit Item

26



27

No on PP Name of unit

700.1 External gas fractionation unit

700.2 Turbo expanding unit

700.4 DSG compression unit

701 Gas dehydration unit

402.1 Panels

402.2 PCS-3

Explication of construction facilities


“NK ROSNEFT” OAO “Otradnensky GPP” ZAO

Development of detailed design documentation for Deethanization and Low-temperature Condensation unit

28

Development of the detailed design documentation for 12 modules using CAD SolidWorks for further order placement at the manufacturer. The modular blocks are developed as structurally finished assembly unit with target level of prefabrication in transport dimensions.

Start of project– May 2014

Completion of project– February 2015

240 mln. m3/year on associated petroleum gas;

Content of target components:

C2+ - 700 g/st.m3 (feed gas)

Content of target components in DSG:

C2+ - 228 g/st.m3

Total product output: • DSG - 0.156 billion st.m³/year • Ethane fraction blend «B» - 53.8 mln. tons/year • LPG – 186.27 mln. tons/year

Recovery factor С3+ no less than 95 %

Main technical-and-economic indicators of the unit :

Functions of LENNIIHIMMASH Group: • Development of detailed design documentation for

the deethanization and low-temperature condensation modular unit.

Recovery factor С2+ no less than 70 %

“Uzhno-Balyksky GPC” OAO

29

Beginning of Project– September 2010 Completion of Project– December 2012




Main technical-and-economic indicators of the unit : 2 billion m3/year of hydrocarbon gas Content of target components : C3+ 71.35г/m3 (LPG) C2+ 174.7/m3 (eLPG)

Content of target (C3+) components in DSG:

5 g/m3 at receiving LPG

3 g/m3 at receiving eLPG

Total output:

• Dry gas (1.19-132 MPа, 14.5-35°С) 1.81-1.92 billion m³/year

• LPG (3.65 MPа, 9-40 °С) 140.4 th.t/year

• eLPG (3.65 MPа, 9-40 °С) 293 th.t/year


Functions of LENNIIHIMMASH Group: • General designer (development of process, design

and detailed design documentation). Obtaining approval of Glavgosexpertiza of Russia.

• Supplier of equipment and materials above ground level.



Construction of Gas Processing Unit


over 1 500 tons Volume of supplied

materials and equipment

580 tons Piping (without fittings.)

651.1 tons Steel structures

1 293 m3 Concrete


Materials for construction

and installation works

1 020 700

(from compressors– 500,

from turboexpanders – 200)

pcs.


- digitally transmitted from local automated systems

Operator’s HMI, servers, printers, optic-

fiber connection etc. (based on Yokogawa

and Меtsо equipment)

DSC of technological process

Transformer substation-1 Emergency shutdown

system panel- 1 pcs. Electrical equipment

26 (Air-cooling devices– 18 pcs.) pcs. Rotating equipment


Uzhno-Balyksky GPC Unit Item

30



31


300.1 Dehydration unit

300.3 External Gas Separation Unit

300.4 Turbo-expanding Unit

301 Transformer Substation КТП-16

302 Methanol Injection unit

Explication of facilities

Main technical-and-economic indicators:

• CSU for non-stabilized gas condensate – 5,44 mln. tons/year

Product output volume: • Deethanization gas– 628 mln. st.m³/year • Technical propane-butane– 667 th. tons/year • Stabilized gas condensate– 4 250 th. tons/year Recovery factorC3+ 99%

• GCS – total flow rate of gas 14.28 bln. st.m³/year

• DCS – total flow rate of gas 833 mln. st.m³/year

32

“ROSPAN INTERNATIONAL” ZAO “TNK-ВР Holding” OAO

Construction project development Condensate Stabilization Unit

(CSU), Gas Cooling Station (GCS) Deethanization Compressor Station (DCS) at

East Urengoy licensed site


• Development of the design documentation

• Obtaining approval of Glavgosexpertiza of Russia.

Start of project– August 2011 Completion of project– December 2012

tank farm GCS

tank farm LPG

Condensate

stabilization unit

Deethanization

compressor station

Layout of the designed facilities

• The project includes construction of 4 process lines of CSU and one line of unstabilized condensate degassing in traps

• CSU consists of 3 main units – separation unit, deethanization unit, stabilization unit and auxiliary equipment

• The designed facilities also include storages for technical propane-butane and stabilized gas condensate

33

Plot plan solutions for Condensate Stabilization Unit

CTS, panels SGS panel

Fire tank

Furnaces unit Heat carrier

pump station Receivers unit

Heat carrier

intermediate

storage

Control room

CSU

External units

“ROSPAN INTERNATIONAL” ZAO “TNK-ВР Holding” OAO

“Gubkinsky GPC” OAO

34

Start of Project– January 2009

Completion of Project – October 2010



LENNIICHIMMASH Group : 33.5 mln. $

Functions of LENNIIHIMMASH Group: • General Designer (development of process, design and detailed design documentation). Obtaining approval of Glavgosexpertiza of Russia • Process equipment supplier • Supervision of construction • Supervision of process equipment installation

Construction of Gas Processing Unit

Main technical-and-economic indicators of the unit :

2 billion m3/year of hydrocarbon gas Content of target components (с3+) in APG - С3+ - 100 g/nm3

Content of target components in DSG : no more than 2 g/m3

Total product output:

• Dry gas (1.37 MPа, 45 °С) 1.92 billion st. m³/year

• LPG (5.5 МPа, 20-40 °С) 146.18 th.t/year



1 038 tons Volume of supplied equipment

233 tons Pipes

431 tons Steel structures

485 m3 Concrete

840

pcs.

Piles (reinforced)

Materials for construction and installation works

1 350 1 200

(from compressor– 1 000, from turboexpander - 200)

pcs.


- digitally transmitted from local automated

systems

Operator’s HMI, servers, printers, optic-fiber connection etc. (based

on Metso equipment, Finland)


Transformer substation - 1 pcs.


10 (Air-cooling devices – 3 pcs.) pcs.

Rotating equipment


Gubkinsky GPC Unit Item

35



36


301 Gas treatment unit

302 Compressor-turbine unit

303 External gas separation unit

303.1 Vent stack

304 Turbo-expanding unit

305 Furnace unit

Explication of facilities

Improvement of layout and process solutions allows for more compact

layout of the designed facilities, which is very important for their

arrangement on site where functioning production plants are

located.

Main technical-and-economic indicators of the facility : 1.5 billion m3/year of hydrocarbon gas

Content of target components: C3+ up to 100 g/st.m3.

Content of target components in DSG: not more than g/st.m3.

Product output volume:

• Dry stripped gas– 1.2 bln. st.m3/year complies with OST 51.40-93; • Auto propane-butane – 96.44 th. tons/year

complies with GOST Р 52087-2003.

“Severorgsintez” ZAO

37

Recovery factor C3+ 94,6%

Construction of Gas Processing Industrial Complex UPBS-100 for

Eastern Urengoy and Northern Esetinsk oil-gas condensate fields

Start of project– April, 2006

Completion of project– July 2008

CAPEX for the project, including tank park: 108 mln. $



Functions of LENNIIHIMMASH Group: • General Designer (development of process, design and detailed design documentation). • Process equipment supplier • Supervision of construction • Supervision of process equipment installation and commissioning works


38

Construction of gas and unstabilized condensate processing line

1 006 pcs.. Valves

628 pcs. Control system signals

Operator’s HMI, servers, printers,

optic-fiber connection etc..


Diesel power station AKSA pcs.. Electrical equipment

33 (Air cooling devices – 8 pcs..) pcs.. Rotating equipment


UPBS-100 Unit Item


39

Main technical-and-economic indicators : Volume of liquefied hydrocarbon gases incoming to the park is: Option 1 : auto propane-butane mixture(APB)

according to GOST Р 52087-2003 – 536 m3/day Option 2: propane fraction blend «А» according to

TU 0272-023-00151638-99 – 328 m3/day

Technical butane according to GOST Р 52087-2003 – 208 m3/day

Construction of commodity park

Functions of LENNIIHIMMASH Group: • General Designer (development of design and detailed design documentation, detailed design of process equipment). • Process equipment supplier • Author Supervision of construction • Supervision of process equipment installation and commissioning works

Reception and storage of the liquefied hydrocarbon gases and supply to LPG loading station for filling tank cars or container

tanks

Start of project– April, 2006

Completion of project– July , 2008


40

Supplied equipment:

Spherical tanks, 600 m³ each - 8 pcs., including 2 reserve Pumping equipment– 4 pcs. Vessel equipment – 3 pcs. Filters – 4 pcs. LPG loading station Vent stack– 1 pcs.

Construction of commodity park

The scope of supply also included cut-off and safety valves, instrumentation, monitors of product quality control in the pipelines, tanks, at the loading stations and drain vessel.

Time for filling up the commodity park reservoirs is 5.5 days, which complies with item 4.2 IS 09-566-03.

The loading station includes a loading rack with 6 loading points for filling tank cars or container tanks. Odorization of products is provided when necessary.

The commodity park area as per the plan makes 350 х

200 m, which equals 7.0 ha.

The works under this project were completed according to EPC procedures. Engineering, design, release for construction, supply and installation works were performed simultaneously, thus allowing for completion within the shortest time limits.

Raw gas from Kovykta gas condensate field was supposed to be used as a feed.

“Sayanskkhimplast” OAO “Krioplast” ZAO

41

Components Structure, %

mol.

He 0.20

H2 0.05

N2 1.72

CH4 97.87

C2H6 0.23

CO2 0.01

Helium plant as part of Sayansky Complex of natural gas processing and ethylene and helium

recovery

Start of project– May, 2006

Completion of project– July , 2007


• Development of the design documentation

• Obtaining expert approvals

The capacity of the helium production facility for methane fraction is 4.0 bln. n.m3/year. Fluctuations of productivity from -30% to + 15%.

Product output volume: • Gaseous helium, blend according to TU 0271-135-

31323949-2005 - 546 960 nm3/year • Liquid helium according to US specification «Compressed

Gas Association Inc.» GGA G – 9.1 – 1992, grade N – 10 568 thousand liters.

Helium recovery factor no less than 99 %

Main technical-and-economic indicators of the facility:

Raw gas parameters:

Р – 2.6 MPа (abs.); T – 173 0К

Composition of raw gas: Composition of the recovered helium concentrate:

Composit

ion, %

mol.

Helium

concentrate

composition

Не 71.6

N2 14.9

СН4 traces

Н2 13.5

“Sayanskkhimplast” OAO “Krioplast” ZAO

42

1 – Helium concentrate recovery unit 2 – Liquid nitrogen storage 3 – Compressor 4 – Helium treatment and liquefaction unit 5 – Nitrogen and helium receivers

6 – Helium shipping station 7 – Vehicle inspection point 8 – Cylinder filling unit 9 –Liquid nitrogen car tank loading station 10– Liquid nitrogen railway tank loading station

“Surgutneftegas” OAO

Recovery factor С3+ 98 %

43

Start of project– November, 2003

Completion of project– July, 2006

Functions of LENNIIHIMMASH Group : • General Designer (development of the design and detailed design documentation and process procedures) • Obtaining expert approvals • Supervision of construction

Gas Processing Unit No 3 with turbo expander of Surgut GPP

Main technical-and-economic indicators

of the unit:

3 bln. m3/year of associated petroleum gas;

Content of target components in APG : С3+ - up to 93 g/nm3.

Content of target components in DSG :

no more than 4 g/ st.m3

Volume of product output:

• Dry stripped gas (GOST 5542-87) – 2.83 bln.st.m³/year

• Propane-butane technical mixture (GOST 20448-90) – 132.7 thousand tons/year

• LPG (TU 38.101524-93) – 20,8 thousand tons/year

• Natural stable gasoline (TU 39-1340-89) – 47 thousand tons/year

“Surgutneftegas” OAO

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Since the beginning of the 1970s LENNIIHIMMASH Group has been carrying out a complex of works for the development of gas processing units for the Orenburg Helium Plant (OHP).

OHP units are unique because nowhere in the world helium is recovered from “lean” gases (content of helium is 0.055 %).

Helium extraction factor is 97-99%.

Ethane extraction factor is 60%.

In 2006 LENNIICHIMMASH Group completed reconstruction of helium unit No2 intended to increase ethane extraction and to exclude helium extraction.

Ethane extraction factor is 95%.

“Orenburggazprom” LLC

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LENNIIHIMMASH Group completed the following works associated with Helium plant phases I, II, III revamping, including obtaining expert approval:

1. Detailed design for revamping of helium units at phases I, II, III of the Orenburg Helium Plant

2. Technical inspection of the units equipment.

3. Expert review and approval of process procedures for the units and facilities of the Orenburg Helium Plant

4. Research works, thermotechnical calculations.

“Orenburggazprom” LLC

Composition of the recovered helium concentrate:

Composition, % mol.

Helium concentrate

Не 85

N2 15

СН4 traces

Phase I – two helium units (HU No1 and HU No2) with total capacity of 6 billion m ³ / year of the processed gas.

Phase II – three units for recovery of helium concentrate

(facilities 410, 420 and 430), ethane fraction and LPG with total capacity of 9 billion m ³ / year of the processed gas.

Phase III – one unit (U-630) with total output of 3 billion m ³ /

year of the processed gas.

Helium concentrate is recovered during step-by-step concentrating of helium in strippers with counter flow condensation as a last step.

External cooling cycles are provided in the units, including propane cycle with two isotherms of evaporation and nitrogen cycle.

Commercial helium is extracted at the fine helium purification units.

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Year Name of project

2016 Feasibility study “Basic process solutions and options for construction of liquid natural gas production plant in Arkhangelsk oblast, including the study of its possible locations”

2013-2014 Technical and process analysis of solutions on liquefied natural gas production at a helium plant. Capacity 500 – 2 000 kg/h

2013 Report “Technical proposal for packaged equipment supply for large capacity LNG production unit using local technology and equipment” (Phase 2). Capacity 4.8 mln. t/year; capacity 1.3 mln. t/year

2013 Report “Technical proposal for package supply of experimental-industrial LNG production unit using local technology and equipment “ (Phase 1). Capacity of LNG 125 kg/h

2012 Feasibility study “Analysis of options for expansion and revamping of Yakutsk GPP”, which has LNG extraction unit as its part

1986 Low-temperature natural gas liquefaction unit with the capacity of 40 tons/h (960 tons/day)

1977 Natural gas liquefaction unit with the capacity of 20 tons/h for peak gas consumption demand in Abovyan, Armenia.

1975 Natural gas liquefaction unit with the capacity of 250 m3/h for the VNIIGAZ Experimental plant

1972 Natural gas liquefaction unit with the capacity of 500 m3/h for the VNIIGAZ Experimental plant

Works of LENNIIHIMMASH Group related to LNG recovery

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Management and execution of projects

Services in the field of engineering

Development and coordination with the Customer:

•Technical design assignment

•Engineering design

•Adaptation of design solutions of foreign engineering companies to capabilities of Russian machine building plants and current research and development infrastructure.

•Combination of design (Project) stage and equipment manufacturing.

•Equipment manufacturing at leading branch enterprises.

•Engineering services in equipment manufacturing:

• Competition procedures support; placing orders for equipment manufacturing;

• Inspections (on a rotational or permanent basis);

• Permit issuance in compliance with current laws of the Russian Federation;

• Issuing release for shipment;

• Development of the most effective logistic scheme.

• Equipment installation on the Customer’s site.

• Commissioning works

• Performance of construction and installation works with final "turnkey" delivery of the operating facility to the Customer.

Technical personnel in management and execution of

projects

4 Onsite representatives

6 Commissioning experts

20 Designers

4 Logistics

6 Manufacturing inspectors

6 Experts in materials

4 Experts in electric equipment

5 Experts in instrumentation

6 Experts in static equipment

4 Experts in rotating equipment

5 Executive Heads

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Block and modular supply

• LENNIICHIMMASH Group supplies various process equipment for processing of NG and APG including block and modular supply

• Machine compressor and turbo expander equipment with capacity from 50 million m3/year to 3.0 billion m3/year is delivered in LNHM-developed block-and-modular units equipped with all necessary auxiliary and protection systems as well as lifting equipment

• Pumping, vessel, heat-exchanging, separation equipment, etc., as well as separate parts of large process lines are supplied in modules with dimensions suitable for railway transportation

Modular supply allows the Customer to reduce:

- construction and installation time;

- scope of welding at the facility;

- commissioning time;

- storage areas for the period of installation and construction;

- errors and incompliances in the documents;

- process equipment shutdown time.

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In 2005 - 2007 LENNIIHIMMASH Group executed a project of design and delivery of process equipment for Kazanorgsintez OAO (the city of Kazan). The engineering designs were developed and approximately 500 units of non-standard process equipment were supplied for Bisfenol-A, Polycarbonates, Low-pressure Polyethylene and Ethylene plants.

“Kazanorgsintez” OAO

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APG booster compressor station with turbine supercharger manufactured by SOLAR

TURBINES (USA) based on MARS 100S gas turbine drive

Q =16.645 / 3.991 m3/hour weight of 92 tons

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“Noyabrsky GPC” OAO Vyngapurovsky GPP

DSG (dry gas) booster compressor station with turbine supercharger manufactured by SOLAR TURBINES (USA) based on

MARS 100S gas turbine drive Q =9.734 / 3.805 m3/hour

weight of 79 tons

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Block-and-modular turbo expander unit

Turbo expander unit L.A. Turbine Q = 65 thousand std. m3/hour

Weight of 13,6 tons

“Noyabrsky GPC” OAO Vyngapurovsky GPP

Weight and dimensions of the supplied equipment

Name of project

Number of pieces of equipment,

dimensions L*B*H (mm), weight

(kg)

Total weight

(tons) Year

“Kazanorgsintez “ OAO . Supply of equipment for the following: the Bisfenol-A plant, the Polycarbonate plant, the

reconstructed Ethylene plant, the “Low pressure polyethylene” plant

319 56 000*5 000*5 000

75 000 8 353 2005-2006

“Severorgsintez “ ZAO. Supply of equipment for “UPBS-100” gas processing unit.

117 36 000*3 200*3 200

38 000 2 323 2007-2008

“Usolye-Sibirsky Silikon” LLC. Supply of equipment for industrial production facilities of polycrystalline silicon with

the capacity of 300 tons a year.

11 13 300*2 800*2 800

18 000 366 2007-2008

“KINEF” LLC. Supply of equipment – routine maintenance. 166

59 800*3 200*3 200 58 000

2 837 2007-2009

“Gubkinsky GPC” OAO. Supply of equipment for the gas processing unit at the industrial site.

38 38 600*3 500*3 500

48 900 1 038

2009

Supply of equipment for Vyngapurovsky GPP. 150

42 000*3 500*3 500 62 400

More than 2 000 2011-2012

Supply of equipment for Yuzhno-Balyksky GPC

150 35 000*3 500*3 500

75 000 More than 1 500 2011-2012

Supply of equipment for LUKOIL- Permneftegazpererabotka

250 24 000*4 000*4 000

75 000 More than 3 000 2012 –2014

Supply of equipment for expansion of Vyngapurovsky GPP. Construction of GPU No. 2

240 (not including valves 3400 pcs) 42 000*4 500*4 700

65 000

More than 25 000

(including materials) 2013 –2015

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Construction Management

• Planning (development of project schedule and budget);

• Timely performance within the approved budget and in compliance with the Customer’s

quality requirements;

• Control and acceptance of installation and construction works;

• Technical supervision of construction/revamping and commissioning works;

• Coordination of subcontracting works;

• Acceptance, quality control of delivered materials, structures and equipment;

• Planning, procurement, control of construction and installation works;

• HSE control;

• Organization of management personnel training, instructing site personnel;

• Preparation for commissioning and start-up: pre-commissioning of the main process

equipment, commissioning of the whole facility with reaching design performance

(including development and coordination with the Customer: commissioning

programme, work procedures, scheduled plan with due consideration of timing of

construction and installation works etc.), as well as development of operational

documentation (emergency response plan, process procedures, operating and

maintenance manual etc.).

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Research and development

Dehydration

Patent No. 2296793 dd 08.04.2005

“Pre-transport hydrocarbon gas treatment unit"

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Development of the adsorber internal design

Analysis of the distributing device operation to provide for uniform speed of the inlet adsorber gas and minimum pressure loss.

58

Patent No 2530112 dd 10.08.2012

“Vertical adsorber with fixed-bed adsorbent”

Gas Separation and Gas Fractionation

Patent No 2225971 dd 03.03.2003 “Associated Petroleum Gas Separation Method"

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source gas

stripped gas

APB Propane fraction

Deethanized Condensate

natural stable gasoline

Butane fraction

Contacts

19, Uralskaya str., bld. 5, letter D,

St. Petersburg, Russia, 199155

Telephone: (812) 327-7960

Fax: (812) 327-7692

We believe our experience and knowledge will contribute to your future projects!

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Attachment: List of References

LENNIIHIMMASH Group

The List of major projects executed by LENNIIHIMMASH Group

•1997 – development of project design and detailed design documentation and supply of the main process equipment for “UPBS-3” unit at Shurtan field (Uzbekistan) with the capacity of 3.0 billion m3 (receiving propane butane technical and stabilized condensate).

•2005 – development of a detailed design for reconstruction of the phase 1 helium unit at the Orenburg helium plant to increase ethane recovery up to 95%.

•2003-2005 – development of project design and detailed design documentation, process procedures for the APG processing line “UPG-3” at Surgutneftegas OAO with the capacity of 3.0 billion m3/year receiving PB mixture, LPG and NSG (natural stable gasoline). Start-up of the unit – July, 2006. Target component recovery factor- 98.5%.

•2005-2007 – Reconstruction of production and processing plants of low pressure polyethylene, ethylene and construction of the Bisfenol-A and Polycarbonate plants. The equipment was supplied to the following plants of Kazanorgsintez OAO: “Low Pressure Polyethylene”, "Bisfenol-A", "Polycarbonate", "Ethylene". The unique licensed equipment was designed, manufactured and supplied in compliance with ASME standards adapted to the existing Russian standards and requirements to specifications and technical documentation. Total of 500 pieces of equipment were supplied (heat exchangers, vessel equipment, air coolers, columns, reactors).

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• 2005-2006 – development of the design and detailed design documentation of Sayansk helium plant Sayanskkhimplast (TNK-BP) with a capacity of 2.5-4.0 billion m3/year for initial gas with release of helium.

• 2008 - development of the design and detailed design documentation and operating procedures of the full-profile plant for Severorgsintez ZAO in Novy Urengoy, including gas processing line with capacity of 1.21 billion m3/year and 252 thousand tons per year of unstabilized condensate (with PB mixture recovery and stabilized condensate recovery). Main process equipment, valves, DCS of technological process, instruments were delivered. Coefficient of extraction of target products is 94.6%. The commodity park was constructed as part of the project under the EP contract.

• 2008 - Development of the design and detailed design documentation, development of engineering designs of processing equipment of the commodity park (8 spherical tanks, each of 600 m3), receipt, storage and shipment of the liquefied petroleum gases (LPG) for UPBS-100 gas processing complex of Severorgsintez ZAO in Novy Urengoy. Processing equipment, including tanks of commodity park, as well as fittings, DCS of technological process and instruments were delivered. The commodity park was constructed as part of the project under the EP contract.

• 2008 – development of the detailed design documentation for lines 3 and 4, as well as operating procedures for Shurtansky GPZ in Uzbekistan with application of the advanced technology with capacity of 3.0 billion m3/year for initial gas with PB mixture recovery. Start-up of two lines was in 2008.

• 2008 – development of the design and detailed design documentation for chlorsilane condensation units and polycrystalline silicon production units with capacity up to 3 000 tons. Main processing equipment, valves and instruments were delivered. Usolye-Sibirsky Silikon, LLC.

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• 2009-2010 – development of the design and detailed design documentation for construction of the new line of Gubkinsky GPC (SiburTyumenGaz OAO ) with capacity of 2.0 billion m3/year for initial gas with recovery of LPG. Development of operating procedures. Main processing equipment, valves, DCS, instruments were delivered. Start-up of the line was in October, 2010. Coefficient of extraction of target products is 99.5%.

• 2010-2012 – development of the design and detailed design documentation for construction of the new line at Southern Balyk GPP (SiburTyumenGaz OAO ) for processing of 2.0 billion m3 of gas per annum with the recovery of ethanized LPG. All processing equipment and materials above ground level were delivered. Coefficient of extraction of target products is 99.5% under the project of increased recovery of LPG at Southern Balyk GPK. Start-up of the line was in September, 2012.

• 2010-2012 – development of the design and detailed design documentation for construction of Vyngapurovsky GPP (SiburTyumenGaz OAO ) with capacity of 2.4 billion m3/year with recovery of the ethanized LPG. All processing equipment and materials above ground level were delivered. The contract provides for a guarantee to achieve the required quantity and quality indicators of products. Coefficient of extraction of target products is 99.5%. Start-up of the line was in December, 2012.

• 2011-2012 – development of the design documentation for construction of the condensate stabilizer within the East Urengoy license block with capacity of 5.5 million tons/year for ZAO «ROSPAN INTERNATIONAL» (TNK-BP Holding OAO ). The expert approval of "Glavgosekspertiza of Russia" was obtained.

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• 2011-2012 – development of the design documentation for construction of the gas cooling station with capacity of 15 billion std. m3/year and deethanization compressor plant within the East Urengoy license block with capacity of 900 million std. m3/year for ROSPAN INTERNATIONAL ZAO (TNK-BP Holding OAO ). The expert approval of "Glavgosekspertiza of Russia" was obtained.

• 2013-2014 – development of the design documentation for “Reconstruction of APG treatment plant at GPP of Langepasneftegaz at LUKOIL-Western Siberia OAO ” as well as for reconstruction of the commodity park with the loading rack of Lokosovsky GPP for processing of 2.1 billion m3/year of APG with the recovery of 1.46 billion m3/year of dry gas, 742.4 thousand tons/year of LPG, 122.4 thousand tons/year of natural stable gasoline, 4.2 thousand tons/year of propane. LPG product pipeline DN250, PN 4.0 MPa with the length of 16 km.

• 2011-2014 – development of technological process, development of design documentation (obtaining approval of Glavgosexpertiza of Russia), development of detailed design documentation for construction of the 2nd processing line with capacity 1 bln. m3/year of APG and 512 thousand tons/a year of LPG (including compressor stations, columns, dehydration unit with gas fractionation unit, odorization unit, refrigeration cycle compressor station, outdoor low temperature condensation and rectification unit, petroleum gas compressor station etc.) for LUKOIL-Permneftegaspererabotka OAO . Main technological equipment was supplied, valves, DCS, instrumentation. Author’s supervision over construction was performed, as well as supervised installation of the equipment and commissioning works. Target components extraction coefficient – 99.4%.

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• 2013-2015 – development of technological process, development of design documentation (obtaining approval of Glavgosexpertiza of Russia), development of detailed design documentation for construction of new processing line with capacity 1.4 bln. m3/year of APG at Vyngapurovsky GPP (including preliminary separation unit, compressor stations, dehydration unit, furnaces unit, low temperature condensation and rectification unit, turbo expanding unit, methanol injection unit, fuel gas treatment unit, heat transmission unit etc.) for SiburTyumenGaz ОАО . All the process equipment was supplied, as well as all the utility systems and materials above and below “zero”, valves, DCS and instrumentation. The following services were rendered: author’s supervision over construction, supervised installation of the equipment. Commissioning works were performed. Target components extraction coefficient – 99.5%.

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List of the main feasibility study reports made by LENNIIHIMMASH

Group

• 2005 – SIBUR-Portenergo, LLC. Feasibility analysis of liquefaction and storage of natural gas subject

to export from Ust-Luga port. Liquefied petroleum gases (LPG) handling system in the sea trade

port of Ust-Luga. Process units and structures. Isothermal storage. Feasibility study.

• 2005 – Study of possible options of processing of Karachaganaksky gas at Phase 1 reconstructed

units of Helium Plant of Orenburggazprom, LLC.

• 2006 – Kazoil, LLC. Investment Feasibility analysis of construction project “Utilization of associated

petroleum gas of Alibekmol and Kozhasay fields”.

• 2006 – "ZEROMAX GMBH" Switzerland. The preliminary feasibility study of construction of two

recovery units of propane, butane and their mixtures from raw materials of Shurtan Group fields.

• 2007 –SiburTyumenGaz OAO . Revamping of NTK UPG-2 unit of Gubkinsky GPC. Feasibility study.

• 2007 –VAO AgroKhimEksport ZAO . Investment feasibility analysis of methanol producing plant

with capacity of 500 thousand tons per annum.

• 2007 –PROMGAZ OAO . Feasibility analysis of helium extraction in hydrocarbon helium bearing

fields in Eastern Siberia and the Republic of SAKHA (Yakutia).

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• 2008 –SiburTyumenGaz OAO . Analysis of design solutions for re-equipment of “UPG-1” of Yuzhno- Balyksky GPC".

• 2009 –PROMGAZ OAO . Basis design development for calculation of performance indicators of gas processing facilities in the gas fields of Irkutsk Oblast. Gas processing plant with helium recovery in Ust Kut.

• 2009 –PROMGAZ OAO . Basis design development for calculation of performance indicators of gas processing facilities. Gas processing plant in Kirensk.

• 2010 –SURGUTNEFTEGAS OAO . Development of process options for APG treatment systems at gas-fueled reciprocating power plants.

• 2010 – Gazprom VNIIGAZ, LLC. Investment feasibility analysis of “Market Helium Production” as part of the investment program for arrangement and transportation of hydrocarbons of Sobinskoye oil and gas field.

• 2010 –TOMSKNIPINEFT OAO. Helium production methods within the project of “Development of NK Rosneft OAOstrategy to enhance Helium Industry in the helium fields of Eastern Siberia”.

• 2011 – OAO GAZPROM NEFT. Cost assessment in terms of transport and stabilization of condensate recovered at the license blocks of the Yamalo-Nenets Autonomous Area.

• 2011 – Feasibility study to improve the recovery rate of target components, to recover ethanized LPG and to separate it from CO2 at JSC Belozerny GPC and JSC Nizhnevartovsk Gas Processing Complex. YUGRAGAZPERERABOTKA, LLC.

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• 2011 – TNK-BP Management, LLC. Feasibility analysis for “Market products demethanolization units" at the condensate stabilizer of the East Urengoy license block.

• 2011 – FBK, LLC. Feasibility study “Construction of ethane and LPG recovery unit” for Gazprom Dobycha Orenburg, LLC with gas processing capacity of 6.9 and 15 billion m3/year.

• 2011-2012 – LUKOIL – Western Siberia, LLC. Process design and feasibility study of reconstruction options for Lokosovsky GPP.

• 2011-2012 –Sakhatransneftegaz OAO . Feasibility analysis “Yakut GPP expansion and revamp options”.

• 2012-2013 – Feasibility analysis for “Reconstruction of gas fractionation plant with development of infrastructure for raw material discharge, storage and shipment of market products at workshop of Sibur Khimprom ZAO .

• 2012-2013 – Feasibility analysis for “Expansion of Vyngapurovsky GPP. Construction of gas processing unit (GPU-2) of SiburTyumenGaz OAO .

• 2012-2013 – Feasibility analysis for Gazprom VNIIGAZ, LLC. "Technical proposal for supply of the complete set of LNG production unit using domestic technology and equipment”.

• 2013 – Gazprom pererabotka, LLC. Expert assessment of the design solutions for low pressure waste gas disposal unit at Surgut Condensate Stabilization Plant.

• 2014 – Gazprom Dobycha Orenburg, LLC. Feasibility study of the project of LNG production at helium plant.

• 2014 – TOBOLSK-NEFTEKHIM, LLC. Feasibility study of “Construction of propane-propylene fraction recovery unit supplied with off-gas feed”.

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• 2014 –FORTUM OAO . Main design solutions "Construction of Gas Processing Plant near the city of Nyagan”.

• 2014 –Yamal-Povolzhye OAO . Project of GPP for ethane and LPG production in Yambursky and East Urengoy fields.

• 2014 –AK ALROSA OAO . Selection of the best option of the Concept allowing for the maximum replacement of liquid motor fuel by natural gas with the smallest investment risks and costs and within the shortest possible time limits.

• 2015 – SiburTyumenGaz OAO Feasibility analysis of replacement of P-1 furnace by the recuperative heat exchanger at the Gas processing unit No. 2 (low-temperature condensation unit and external equipment). Reconstruction at the industrial site of Gubkinsky GPP.

• 2015 – SiburTyumenGaz OAO . Belozerny GPC, LLC. Main design solutions for Reconstruction of Bakhilovsky compressor station and infrastructure for transportation of APG to Belozerny GPC and Nizhnevartovsk GPP.

• 2015 - Yamal-Povolzhye PAO . Feasibility analysis for the condensate stabilization unit of the Urengoy oil and gas condensate field.

• 2015 – Nizhnekamskneftekhim PAO . Feasibility analysis of construction of light hydrocarbon fraction recovery facilities as part of Yamal-Povolzhye product pipeline construction project.

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• 2016 – Kazanorgsintez PAO . Feasibility analysis. Assessment of capital costs for construction of Gas

Processing Plant for treatment of wet gas from the Valanzhinian deposits in the Republic of Tatarstan.

• 2016 – Transportnaya Integratsiya, LLC. Feasibility analysis. Main design solutions and options of

construction of the LNG production plant in Arkhangelsk Oblast, including feasibility analysis of its

potential locations.

• 2017 – Shurtanneftegaz, LLC Development of the Basic Design Engineering, including feasibility

analysis to increase the market product yield at UPBS-3 butane-propane recovery units (phases 1, 2

and 5).

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