WO2010089725A2 - System and method for well clean-up - Google Patents
System and method for well clean-up Download PDFInfo
- Publication number
- WO2010089725A2 WO2010089725A2 PCT/IB2010/050573 IB2010050573W WO2010089725A2 WO 2010089725 A2 WO2010089725 A2 WO 2010089725A2 IB 2010050573 W IB2010050573 W IB 2010050573W WO 2010089725 A2 WO2010089725 A2 WO 2010089725A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- well
- vessel
- subsea
- intervention
- operations
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 18
- 239000012530 fluid Substances 0.000 description 16
- 239000003921 oil Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000008901 benefit Effects 0.000 description 8
- 239000010779 crude oil Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/01—Risers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/32—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for collecting pollution from open water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
Definitions
- the invention generally relates to methods and systems for subsea well intervention, commissioning, extended well testing, and early production operations, and more particularly to a system and method for well clean-up and testing operations in subsea production.
- Clean-up and well test activities are typically carried out from a drilling rig, often the one that has been used to drill and/or complete the well, using a well test equipment set-up.
- the produced fluids including gas and oil
- are flared e.g., burned
- oil flaring is banned by law, in which case a barge typically is brought alongside the rig to store the produced oil.
- the gas produced in the process is however typically flared or, simply, vented.
- FPSO Floating Production Storage and Offloading
- LWI Light Well Intervention
- exemplary implementations of the present invention are directed to novel methods and systems utilizing an auxiliary barge, tanker or vessel (AV) in combination with a light well intervention (LWI) vessel, both being simultaneously and directly connected to a subsea well during operations.
- AV auxiliary barge, tanker or vessel
- LWI light well intervention
- the novel methods and systems of the invention provide for cost effective, efficient, and environmentally friendly well clean-up, testing, production, and the like, operations, with many of the advantages of prior art system and methods, as well as several substantial additional benefits.
- the methods and systems of the present invention include many novel features, which are not anticipated, rendered obvious, suggested, or even implied by any of the prior art systems or methods, either alone or in any combination thereof.
- auxiliary barge, tanker or vessel in combination with a light well intervention (LWI) vessel.
- the auxiliary vessel can be used to take returns directly from a well, while the light well intervention (LWI) vessel performs other well intervention and testing operations, such as well control, in-well operations, handling and deployment of subsea equipment, including return lines used to flow the well to the auxiliary vessel (AV), and the like.
- a system for clean-up and subsea intervention operations in a subsea well or installation which comprises a light well intervention vessel configured to deploy and connect a subsea well intervention package on a subsea well or installation, and configured to perform subsea intervention operations.
- the system also includes an auxiliary vessel directly coupled to the same subsea well or installation and configured to receive and treat returns from the subsea well.
- the light well intervention vessel and the auxiliary vessel can be connected substantially simultaneously to the subsea well or installation.
- a method for clean-up and subsea intervention operations in a subsea well or installation which includes deploying and connecting a subsea well intervention package on a subsea well or installation with a light well intervention vessel, and performing at least one subsea intervention operation with the light well intervention vessel.
- the method also includes directly coupling an auxiliary vessel to the same subsea well or installation and receiving and treating returns from the subsea well with the auxiliary vessel.
- the method may also include substantially simultaneously connecting the light well intervention vessel and the auxiliary vessel to the subsea well or installation.
- FIG. 1 is used to illustrate an exemplary implementation of the well clean-up system on an auxiliary vessel (AV), in accordance with exemplary aspects of the present invention
- FIG. 2 is used to illustrate an exemplary auxiliary vessel (AV), including the exemplary well clean-up system of FIG. 1, in accordance with exemplary aspects of the present invention.
- AV auxiliary vessel
- FIGs. 3-12 are used to illustrate an exemplary well clean-up method, in accordance with exemplary aspects of the present invention.
- compositions, a group of elements or any other expression are preceded by the transitional phrase “comprising,” “including” or “containing,” it is understood that it is also contemplated the same composition, the group of elements or any other expression with transitional phrases “consisting essentially of,” “consisting,” or “selected from the group of consisting of,” preceding the recitation of the composition, the elements or any other expression.
- system may also be referred to herein as "apparatus.”
- novel method and system described herein provide advantages over existing systems and methods. For example, the novel method and system are more economical, have greater operational flexibility, provide a significantly improved risk profile, and allow storing instead of burning of oil.
- the present invention includes recognition that storing of well fluids can further allow operators to achieve greater testing flows, as is desirable, but hereinbefore unachievable, usually because of the difficulties faced trying to burn the large quantities of oil produced.
- the approach of the novel method and system has the benefit of a less costly system (e.g., less costly than employing rigs or even the more costly, larger "testing vessels"), and the additional benefit of recovering and not burning the oil (e.g., typically several tens of thousands of barrels are burned in a single operation).
- a novel approach avoids sizeable emissions, advantageously, which face increasing restrictions from governmental agencies, regulating agencies, and other regulatory bodies.
- the separation of the well testing operations from the other well activities advantageously, reduces the overall level of risks of such combined operations.
- LWI light well intervention
- AV secondary auxiliary vessel
- LWI light well intervention
- the light well intervention (LWI) vessel supports the installation of a well intervention package (WIP), which is employed to control a well, and also supports deployment of other subsea equipment, including coiled tubing, electric line and slick line services, and similar equipment and services, employed in connection with well testing operations, production operations, and similar operations .
- FIG. 1 is used to illustrate an exemplary well clean-up system 100, in accordance with exemplary aspects of the present invention.
- FIG. 2 is used to illustrate an exemplary auxiliary vessel (AV) 200, including the exemplary well clean-up system 100 of FIG. 1, in accordance with exemplary aspects of the present invention.
- AV auxiliary vessel
- a return line 102 is provided and includes an upper, near vertical catenary riser section, which is suspended at the auxiliary vessel (AV) 200, and a lower, compliant, flexible section attached to the well intervention package (WIP), itself installed over the well being produced.
- the return line 102 can include any combination of spoolable tubulars (e.g., such as a 3 1 A" - 4 1 A" coiled tubing made of steel or other suitable material), jointed tubulars (e.g., such as drill pipes) for the riser section, and can be made of any other suitable material or have any other suitable construction.
- a flexible line that can be constructed of different materials and in different ways, fitted with buoyancy elements, and the like, can be employed.
- Such a flexible and compliant section at the lower end of the return line 102 advantageously, facilitates the connection of the return line 102 to the well intervention package (WIP), provides marine compliance required to accommodate motions of the return line 102 relative to the well, motions of the light well intervention (LWI) vessel during installation, motions of the auxiliary vessel (AV) 200 during operations, and the like.
- the compliant shape given to the return line 102 can include any suitable shapes commonly employed in subsea operations to decouple surface vessel motions from bottom connections, such as a lazy wave shape, a steep wave shape, a lazy S shape, and the like.
- the return line 102 is deployed by the light well intervention (LWI) vessel before being passed over (e.g., "cross hauled") to the auxiliary vessel (AV) 200.
- LWI light well intervention
- AV auxiliary vessel
- such an approach takes into account the economical benefits afforded by the use of the handling equipment already present on the light well intervention (LWI) vessel.
- other deployment procedures can be also employed, for example, including the return line 102 being deployed directly by a suitably equipped auxiliary vessel (AV) 200, without the intervening step of the return line being initially deployed by the light well intervention (LWI) vessel, and then being passed to the auxiliary vessel (AV) 200, and the like.
- the auxiliary vessel (AV) 200 can be a self-contained modified dynamically positioned (DP) tanker having suitable capacity to store the fluids produced during the well operations, e.g., 50,000 barrels (BbIs) of fluid.
- the auxiliary vessel (AV) 200 can be configured as a 10,000 tons deadweight (DWT) tanker, having a 117 m centerline length, a 21 m beam width, approximately 50,000 bbls of storage capacity, and the like.
- DWT 10,000 tons deadweight
- tankers and vessels can be employed to perform the novel methods and provide the novel systems of the present invention, as will be appreciated by those of ordinary skill in the relevant art(s).
- the auxiliary vessel (AV) 200 carries the well test equipment and personnel, and includes facilities for the handling and support of the deployed return line 102.
- the auxiliary vessel (AV) 200 further provides storage capacity for crude oil, other produced fluids, and the like.
- the auxiliary vessel (AV) 200 also allows for the export of stabilized crude oil.
- Produced water can be treated to any applicable standard for oil in water content (e.g., less than 15 ppm) to allow environmentally safe disposal overboard or in properly configured facilities.
- the produced gases are flared off, cold vented, and the like.
- the well flows into the return line 102 at the well intervention package (WIP) and from there to the auxiliary vessel (AV) 200, where the hydrocarbons are processed.
- WIP well intervention package
- AV auxiliary vessel
- the well fluids are handled and treated in a similar manner as in other production vessels and floating production facilities adapted for processing such produced fluids.
- the well fluids flow from the return line 102 to the processing equipment via a choke manifold 104 functioning to control flowrate.
- the crude feed stream can be heated, e.g., by a steam generator 202, coupled to a steam exchanger 106, and then initially stabilized through a first stage separator 108 functioning for bulk water removal, bulk de-gassing, and similar operations.
- the first stage separator includes a high pressure (HP) gas flare 110, which functions to bulk de-gas the crude feed stream. Further de-gassing and water removal can take place in a second stage separator 112 having a low pressure (LP) gas flare 114.
- HP high pressure
- LP low pressure
- the processed crude then enters into a third stage separator 116 functioning to flash off any gas entrained in the feed, via a low pressure (LP) flare 114, and the crude oil is finally stabilized.
- the stabilized crude from the third stage separator 116 is fed to a crude oil cooler 120, which discharges the cooled oil to storage tank compartments 122 of the auxiliary vessel (AV) 200.
- Produced water from the separators 108, 112 and 116 can be directed to a light water treating unit (LWTU) 124. Dispersed oil is removed by the light water treating unit (LWTU) 124 and the clean water stream is directed to a surge tank 126 for further de-gassing.
- the surge tank 126 is connected to the low pressure (LP) gas flare 128 and includes means 130 for sending treated water overboard. Such means can include a suitable pipe and associated piping. Accordingly, flash gas is removed in the surge tank 126 at near atmospheric pressure, and the clean water stream is disposed of overboard.
- the reject oil from the light water treating unit (LWTU) 124 and the skimmed oil from the surge tank 126 can be routed back to an inlet of the third stage separator 116 of the auxiliary vessel (AV), as needed.
- Well clean-up fluids from the steam exchanger 106 are diverted through a surge tank 132 for temporary holding and for removing remaining flash gas (if any) from the well stream via the low pressure (LP) gas flare 114.
- the clean-up fluids discharged from the surge tank 132 can be collected and stored in slop tanks 136 of the auxiliary vessel (AV) 200.
- the auxiliary vessel (AV) 200 can further include transfer pumps 204 for transferring fluids to the various system components, containers 206 for storing the various fluids, a basket 208 for holding system components, cabins 210, a hang off 212 for the return line 102, knock out (KO) drum pump 214 for the HP flare 110, knock out drum pump 216 for the LP flare 114, knock out drum 218 for the HP flare 110, knock out drum 220 for the LP flare 114, and flare boom 222.
- transfer pumps 204 for transferring fluids to the various system components
- containers 206 for storing the various fluids
- a basket 208 for holding system components
- cabins 210 cabins 210
- a hang off 212 for the return line 102
- knock out (KO) drum pump 214 for the HP flare 110
- knock out drum pump 216 for the LP flare 114
- knock out drum 218 for the HP flare 110
- knock out drum 220 for the LP flare 114
- flare boom 222 can further include transfer
- auxiliary vessel (AV) 200 Various systems, such as process control, emergency shutdown (ESD) and fire and gas systems can be selected and fitted to the auxiliary vessel (AV) 200, for example, based on the application, overall system design, and any other relevant parameters or applications. Other systems can also be incorporated, as needed, such as an Emergency Quick Disconnect system (EQD) for allowing the auxiliary vessel (AV) 200 to close and disconnect the return line from the well intervention package (WIP) in case of loss of position, and other safety and communication systems employed on both the auxiliary vessel (AV) 200 and the light well intervention (LWI) vessel, and the like.
- EQD Emergency Quick Disconnect system
- WIP well intervention package
- LWI light well intervention
- production equipment are utilized on the auxiliary vessel (AV) 200, which can include any suitable well test equipment used in standard or other well testing systems and methods, and the like.
- Additional equipment can be used to process the crude oil for storage rather than to burn the crude oil.
- Testing equipment e.g., testing equipment available from Schlumberger Technology Corporation or another Schlumberger entity
- other types of equipment can be employed to facilitate optimal and/or efficient equipment mobilization.
- such equipment can be configured to handle flowrates on the order of 15,000 to 20,000 barrels of oil per day.
- flowrates would be very difficult, if not impossible, to achieve on a rig or vessel where burning of oil is employed.
- a transfer line can be deployed by a light well intervention (LWI) vessel 300, and handed over to the auxiliary vessel (AV) 102, once a well intervention package (WIP) 1002 has been deployed and tested.
- LWI light well intervention
- WIP well intervention package
- a transfer line can be deployed by the auxiliary vessel (AV) 200 itself, before being connected to the well intervention package (WIP) 1002 by the light well intervention (LWI) vessel 300.
- the auxiliary vessel (AV) 200 can be positioned at a safe distance from the light well intervention (LWI) vessel 300 and at a chosen location in relation to a well 1004 and the light well intervention (LWI) vessel 300.
- the return line 102 can be deployed from the light well intervention (LWI) vessel 300, before being handed over (e.g., "cross-hauled") to the auxiliary vessel (AV) 200, which can be a dynamically positioned (DP) tanker or a moored tanker, and then finally connected, subsea, to a return hub or port 1008 of the well intervention package (WIP) 1002.
- AV auxiliary vessel
- DP dynamically positioned
- WIP well intervention package
- the light well intervention (LWI) vessel 300 is positioned away from the wellhead 1004, after deployment and installation of the well intervention package (WIP) 1002 on a subsea tree 1006 of the well 1004.
- the first end of a flexible jumper of the return line 102 is deployed over an aligner and through a moonpool of the light well intervention (LWI) vessel 300.
- Buoyancy modules are attached at moonpool level, while lowering the flexible jumper of the return line 102.
- the flexible jumper of the return line 102 can be deployed over a side or end of the light well intervention (LWI) vessel 300.
- the second end of the flexible jumper of the return line 102 reaches deck level, the second end is hung-off, wherein a first extremity of a rigid pipe of the return line 102 is brought over the aligner, and connected to the flexible jumper of the return line 102.
- a rigid line 404 connected to an auxiliary crane hook 304 of a main crane 306 of the light well intervention (LWI) vessel 300 is sent to working depth, and a remotely operated vehicle (ROV) 402 connects the auxiliary crane hook 304 to the first end of the flexible line 102.
- the crane hook 304 is paid in to initiate a lazy wave shape on the flexible line 102 and provide additional seabed clearance.
- a second end of the rigid line 404 is lowered a predetermined distance (e.g., approximately 30m) below the hull of the light well intervention (LWI) vessel 300, and the crane hook 304 is lowered subsea with pick up rigging and cross-hauled to the second end of the rigid line 404.
- the rigid line 404 is transferred to the main crane 306 portside of the light well intervention (LWI) vessel 300.
- the auxiliary vessel (AV) 200 moves in and stabilizes itself approximately 30m portside of the light well intervention (LWI) vessel 300, for example, using dynamic positioning (DP, e.g., a fan beam) as a primary DP reference or mooring with cables, lines or anchors.
- DP light well intervention
- the auxiliary vessel (AV) 200 lowers a wire 702 of a pulling winch 704 in the water and the ROV 402 of the LWI vessel swims to connect a recovery hook 706 of the pulling winch 704 to the second end of the rigid line 404.
- the load is transferred from the main crane 306 of the light well intervention (LWI) vessel 300 to the winch 704 of the auxiliary vessel (AV) 200, and the ROV 402 disconnects the main crane 306 from the winch 704 of the auxiliary vessel (AV) 200.
- the line 702 is pulled onto the hang-off point 212 of the auxiliary vessel (AV) 200 and secured.
- the light well intervention (LWI) vessel 300 moves over to a location of the wellhead 1004, and the auxiliary vessel (AV) 200 follows in relative dynamic positioning (DP) mode (e.g., in a fan beam mode).
- the light well intervention (LWI) vessel 300 lands the connector 302 onto a return hub or port 1008 of the well intervention package (WIP) 1002 and disconnects the rigging line 702.
- the light well intervention (LWI) vessel 300 moves away to its normal operating position and can deploy a spoolable compliant guide (SCG) 1102, and the like, as needed.
- SCG spoolable compliant guide
- the auxiliary vessel (AV) 200 then positions itself at a chosen, safe location on an opposite side of the well 1004, and upstream of surface currents.
- the novel methods and systems can be employed to perform normal light well intervention (LWI) operations, including spoolable compliant guide (SCG) operations.
- LWI normal light well intervention
- SCG spoolable compliant guide
- the novel methods and systems can be employed to perform any suitable operations, for example, including wireline operations, coiled tubing operations, and the like, in open water or with any suitable guide, and the like.
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
- Optical Couplings Of Light Guides (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI1007926A BRPI1007926A2 (en) | 2009-02-09 | 2010-02-09 | system for subsea cleaning and intervention operations in a subsea installation or well, and method for subsea cleaning and intervention operations in a subsea installation or well. |
GB1111823.9A GB2478497B (en) | 2009-02-09 | 2010-02-09 | System and method for well clean-up |
US13/147,691 US20120037376A1 (en) | 2009-02-09 | 2010-02-09 | System and Method For Well Clean-Up |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15083109P | 2009-02-09 | 2009-02-09 | |
US61/150,831 | 2009-02-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010089725A2 true WO2010089725A2 (en) | 2010-08-12 |
WO2010089725A3 WO2010089725A3 (en) | 2010-11-25 |
Family
ID=42542453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2010/050573 WO2010089725A2 (en) | 2009-02-09 | 2010-02-09 | System and method for well clean-up |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120037376A1 (en) |
BR (1) | BRPI1007926A2 (en) |
GB (1) | GB2478497B (en) |
WO (1) | WO2010089725A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9022124B2 (en) | 2010-08-20 | 2015-05-05 | Quality Intervention As | Well intervention |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9080393B2 (en) | 2012-05-31 | 2015-07-14 | Transocean Sedco Forex Ventures Limited | Drilling riser retrieval in high current |
WO2014003754A1 (en) * | 2012-06-28 | 2014-01-03 | Fmc Technologies, Inc. | Well clean-up with subsea separator |
CN104615127A (en) * | 2015-02-13 | 2015-05-13 | 武汉船用机械有限责任公司 | Crude oil stern conveying safety protection control system |
BR102019025811A2 (en) * | 2019-12-05 | 2021-06-15 | Petróleo Brasileiro S.A. - Petrobras | METHOD OF CLEARING FLEXIBLE PIPES USING FLEXITUBO FROM A WELL INTERVENTION RIG |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040238176A1 (en) * | 2001-10-12 | 2004-12-02 | Appleford David Eric | Early hydrocarbon production system |
US20070044972A1 (en) * | 2005-09-01 | 2007-03-01 | Roveri Francisco E | Self-supported riser system and method of installing same |
US20070048093A1 (en) * | 2005-08-30 | 2007-03-01 | Kellogg Brown And Root, Inc. | Subsea well communications apparatus and method using variable tension large offset risers |
WO2008010726A1 (en) * | 2006-07-19 | 2008-01-24 | Framo Engineering As | System and vessel hydrocarbon production and method for intervention on subsea equipment |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251488B1 (en) * | 1986-06-05 | 1991-11-06 | Bechtel Limited | Flexible riser system and method for installing the same |
US5486070A (en) * | 1990-12-10 | 1996-01-23 | Shell Oil Company | Method for conducting offshore well operations |
GB0100565D0 (en) * | 2001-01-10 | 2001-02-21 | 2H Offshore Engineering Ltd | Operating a subsea well |
US7434624B2 (en) * | 2002-10-03 | 2008-10-14 | Exxonmobil Upstream Research Company | Hybrid tension-leg riser |
US8122965B2 (en) * | 2006-12-08 | 2012-02-28 | Horton Wison Deepwater, Inc. | Methods for development of an offshore oil and gas field |
BRPI0800985A2 (en) * | 2008-04-10 | 2011-05-31 | Internat Finance Consultant Ltda | integrated process for obtaining gnl and gnc and their energy suitability, flexibly integrated system for carrying out said process and uses of gnc obtained by said process |
-
2010
- 2010-02-09 WO PCT/IB2010/050573 patent/WO2010089725A2/en active Application Filing
- 2010-02-09 US US13/147,691 patent/US20120037376A1/en not_active Abandoned
- 2010-02-09 GB GB1111823.9A patent/GB2478497B/en active Active
- 2010-02-09 BR BRPI1007926A patent/BRPI1007926A2/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040238176A1 (en) * | 2001-10-12 | 2004-12-02 | Appleford David Eric | Early hydrocarbon production system |
US20070048093A1 (en) * | 2005-08-30 | 2007-03-01 | Kellogg Brown And Root, Inc. | Subsea well communications apparatus and method using variable tension large offset risers |
US20070044972A1 (en) * | 2005-09-01 | 2007-03-01 | Roveri Francisco E | Self-supported riser system and method of installing same |
WO2008010726A1 (en) * | 2006-07-19 | 2008-01-24 | Framo Engineering As | System and vessel hydrocarbon production and method for intervention on subsea equipment |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9022124B2 (en) | 2010-08-20 | 2015-05-05 | Quality Intervention As | Well intervention |
Also Published As
Publication number | Publication date |
---|---|
BRPI1007926A2 (en) | 2019-09-24 |
GB201111823D0 (en) | 2011-08-24 |
GB2478497A (en) | 2011-09-07 |
GB2478497B (en) | 2013-10-23 |
WO2010089725A3 (en) | 2010-11-25 |
US20120037376A1 (en) | 2012-02-16 |
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