mpd cbm
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SIEM WIS AS
Siem WISBackground, Challenges, Technology and
Solutions
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SIEM WIS AS
Backgroundz Well Intervention Solutions AS (Siem WIS), was established in February
2005 and is located at Sotra, outside Bergen Norway
z Siem WIS has extensive experience from the oil service industry throughits employees, respectively from Transocean, AGR Ability Group,Schlumberger, KCA Deutag, FMC Technologies, Baker Hughes Inteq andPGS.
- Core experiences:
Technology development
Engineering
Project management
Operations
Riserless Intervention
Riserless Drilling
Well Intervention and drilling services
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SIEM WIS AS
z The industry has major possibilities to increase oil recovery, by
development and utilization of new technologyz The Siem WIS technology represents;
- Add-on solutions to existing operational challenges
- Safer and more efficient operations
z The Siem WIS solutions will represent minimum implications toexisting systems
z By identifying challenges, and applying innovation andexpertise, simple and reliable solutions are provided
Background
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SIEM WIS AS
z Variation of dynamic behavior in the mud column during drillingoperations, caused by reduction or stoppage of mud pumping, when
making or breaking drillpipe
z Due to rapid depletion of many reservoirs globally after production start,drilling of new wells will be a challenge
z
The demand to achieve a more constant well pressure during drilling andtripping operations is increasing as a function of the depletion of thereservoir. The narrow pressure window between the pore- and fracturepressure is challenging in all depleted reservoirs.
z Requirement for stable Equivalent Circulation Density (ECD)
Challenges - drilling depleted reservoiror drilling through coal
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SIEM WIS AS Variation in ECD “ballooning effect”
narrow pore pressure/fracturegradient window
Pumps on and off
during connections
Margin +/- 2 bar
Continuous circulation
Margin +/- 12 bar
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SIEM WIS AS
Normal drilling MPD set-up
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SIEM WIS ASCirculation device drilling
set-up
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SIEM WIS AS|
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SIEM WIS ASSiem WIS CircSubTM -
advantages/disadvantagesDrilled Length/Well
Extension
Equipment Lifetime
Time: Connections
Time: Test ing
Time: Handling
Connection Influx
Eliminate a casing
Hole stability
Hole cleaning
Continuous Logging
Managed Pressure
Drilling
CircSubTM Footprint
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SIEM WIS ASSeal test setup.
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SIEM WIS AS
z How to seal around drillpipe to control well pressure
Challenge –Establish a closed mud loop for ManagedPressure Drilling application
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SIEM WIS AS
Retrievable seal solution
The set-up shows the SiemWIS seal as apart of the riser configuration. Thissolution will eliminate the need for highpressure equipment above the seal.The retrievable sealing elements are runpiggy back through the riser.
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SIEM WIS AS
Siem WIS solutionz By combining existing MPD configuration with Siem WIS
CircSub and Siem WIS Seal, a complete and efficient servicecan be established
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SIEM WIS ASManaged pressure drilling
set-up
MUD PUMPS
PITS
Continous
Circulation
Device
WIS
SEAL
MPD Choke Manifold
Kill Line
Choke Line
Return Line Annular
Shakers
K i l l / M e
g
Return / Choke
Drain Line
Separator
Gas flare
TopDrive
MUD PUMPS
Drillfloor
Topside
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SIEM WIS AS “The Vision”
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SIEM WIS AS
z How to enable economic, complete, riserless subsea wellintervention 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 controlintervention
valve
PITS
Continous Circulation
Device RIG Choke Manifold /Secure drilling manifold
Shakers
Drain
Line
Separator
Gas flare
TopDrive
Top Side
MudPumps
Drill Floor
Subsea pump /
Control module
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SIEM WIS AS Vessel potential with Siem WIS technology
Vessel solution Siem WIS solution
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SIEM WIS ASRiserless managed pressure
drilling set-up