background, challenges, technology and solutions · background siem wis as zwell intervention...
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![Page 1: Background, Challenges, Technology and Solutions · Background SIEM WIS AS zWell Intervention Solutions AS (Siem WIS), was established in February 2005 and is located at Sotra, outside](https://reader034.vdocuments.us/reader034/viewer/2022050608/5faf44fe9829c87746497bc5/html5/thumbnails/1.jpg)
SIEM WIS AS
Siem WIS Background, Challenges, Technology and
Solutions
![Page 2: Background, Challenges, Technology and Solutions · Background SIEM WIS AS zWell Intervention Solutions AS (Siem WIS), was established in February 2005 and is located at Sotra, outside](https://reader034.vdocuments.us/reader034/viewer/2022050608/5faf44fe9829c87746497bc5/html5/thumbnails/2.jpg)
SIEM WIS ASBackground
Well Intervention Solutions AS (Siem WIS), was established in February 2005 and is located at Sotra, outside Bergen Norway
Siem WIS has extensive experience from the oil service industry through its employees, respectively from Transocean, AGR Ability Group, Schlumberger, KCA Deutag, FMC Technologies, Baker Hughes Inteq and PGS.
- Core experiences:
Technology development
Engineering
Project management
Operations
Riserless Intervention
Riserless Drilling
Well Intervention and drilling services
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SIEM WIS AS
The industry has major possibilities to increase oil recovery, by development and utilization of new technology
The Siem WIS technology represents;
- Add-on solutions to existing operational challenges
- Safer and more efficient operations
The Siem WIS solutions will represent minimum implications to existing systems
By identifying challenges, and applying innovation and expertise, simple and reliable solutions are provided
Background
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SIEM WIS AS
Variation of dynamic behavior in the mud column during drilling operations, caused by reduction or stoppage of mud pumping, whenmaking or breaking drillpipe
Due to rapid depletion of many reservoirs globally after production start, drilling of new wells will be a challenge
The demand to achieve a more constant well pressure during drilling and tripping operations is increasing as a function of the depletion of the reservoir. The narrow pressure window between the pore- and fracture pressure is challenging in all depleted reservoirs.
Requirement for stable Equivalent Circulation Density (ECD)
Challenges - drilling depleted reservoir or drilling through coal
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SIEM WIS ASVariation in ECD “ballooning effect” narrow pore pressure/fracture
gradient window
Pumps on and off during connections
Margin +/- 2 barContinuous circulation
Margin +/- 12 bar
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SIEM WIS ASNormal drilling MPD set-up
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SIEM WIS ASCirculation device drilling set-up
![Page 8: Background, Challenges, Technology and Solutions · Background SIEM WIS AS zWell Intervention Solutions AS (Siem WIS), was established in February 2005 and is located at Sotra, outside](https://reader034.vdocuments.us/reader034/viewer/2022050608/5faf44fe9829c87746497bc5/html5/thumbnails/8.jpg)
SIEM WIS AS|
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SIEM WIS ASSiem WIS CircSubTM -advantages/disadvantages
Drilled Length/WellExtension
Equipment Lifetime
Time: Connections
Time: Testing
Time: HandlingConnection Influx
Eliminate a casing
Hole stability
Hole cleaning
Continuous Logging
Managed PressureDrilling
CircSubTM Footprint
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SIEM WIS ASSeal test setup.
![Page 11: Background, Challenges, Technology and Solutions · Background SIEM WIS AS zWell Intervention Solutions AS (Siem WIS), was established in February 2005 and is located at Sotra, outside](https://reader034.vdocuments.us/reader034/viewer/2022050608/5faf44fe9829c87746497bc5/html5/thumbnails/11.jpg)
SIEM WIS AS
How to seal around drillpipe to control well pressure
Challenge –Establish a closed mud loop for Managed Pressure Drilling application
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SIEM WIS ASRetrievable seal solution
The set-up shows the SiemWIS seal as a part of the riser configuration. This solution will eliminate the need for high pressure equipment above the seal.The retrievable sealing elements are run piggy back through the riser.
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SIEM WIS ASSiem WIS solution
By combining existing MPD configuration with Siem WIS CircSub and Siem WIS Seal, a complete and efficient service can be established
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SIEM WIS ASManaged pressure drilling set-up
MUD PUMPS
PITS
Continous Circulation
Device
WISSEAL
MPD Choke Manifold
Kill Line
Choke Line
Return LineAnnular
Shakers
Kill / M
eg
Return / Choke
Drain Line
Separator
Gas flareTopDrive
MUD PUMPS
Drillfloor
Topside
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SIEM WIS AS“The Vision”
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SIEM WIS AS
How to enable economic, complete, riserless subsea well intervention services to be performed from vessels
Riserless Subsea Well Intervention!
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SIEM WIS ASSiem WIS solution
WISSEAL
Annular
SEA BED
6" Flexible composite riser system
2" Megline / Kill line
3" Fluid return line / Choke line
Power 3kv & Signals
2500 mtr
Kill / Choke
Mud return
Remote control intervention
valve
PITS
Continous Circulation Device
RIG Choke Manifold / Secure drilling manifold
Shakers
Drain Line
Separator
Gas flareTopDrive
Top Side
Mud Pumps
Drill Floor
Subsea pump / Control module
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SIEM WIS ASVessel potential with Siem WIS technology
Vessel solution Siem WIS solution
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SIEM WIS ASRiserless managed pressure drilling set-up