US20010007283A1 - Method for boosting hydrocarbon production - Google Patents
Method for boosting hydrocarbon production Download PDFInfo
- Publication number
- US20010007283A1 US20010007283A1 US09/756,350 US75635001A US2001007283A1 US 20010007283 A1 US20010007283 A1 US 20010007283A1 US 75635001 A US75635001 A US 75635001A US 2001007283 A1 US2001007283 A1 US 2001007283A1
- Authority
- US
- United States
- Prior art keywords
- raw water
- production
- downhole
- pump
- hydraulic power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 8
- 229930195733 hydrocarbon Natural products 0.000 title claims 7
- 150000002430 hydrocarbons Chemical class 0.000 title claims 7
- 239000004215 Carbon black (E152) Substances 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 13
- 239000013535 sea water Substances 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 47
- 238000002347 injection Methods 0.000 abstract description 14
- 239000007924 injection Substances 0.000 abstract description 14
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008215 water for injection Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/129—Adaptations of down-hole pump systems powered by fluid supplied from outside the borehole
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
- F04F1/18—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium being mixed with, or generated from the liquid to be pumped
- F04F1/20—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium being mixed with, or generated from the liquid to be pumped specially adapted for raising liquids from great depths, e.g. in wells
Definitions
- the invention is generally related to the production of oil and more particularly to the injection of water into an oil bearing formation.
- the raw water provides the hydraulic power to the downhole equipment via the production well annulus in an open loop arrangement.
- the raw water is co-mingled with the production fluids.
- the raw water provides the hydraulic power to the downhole equipment via the production well annulus in a closed loop arrangement.
- the raw water is not co-mingled with the production fluids.
- the raw water provides hydraulic power to the downhole equipment via the production well annulus in an open loop downhole arrangement.
- the raw water discharged from the turbine is conveyed to a suitable formation for injection via a dual completion well.
- FIG. 1 is a schematic illustration of the preferred embodiment of the invention.
- FIG. 2 is a longitudinal cross section at the mid-plane of the hydraulic submersible pump used in the preferred embodiment of FIG. 1.
- FIG. 3 is a schematic illustration of an alternate embodiment of the invention.
- FIG. 4 is a longitudinal cross section at the mid-plane of the hydraulic submersible pump used in the alternate embodiment of FIG. 3.
- FIG. 5 is a schematic illustration of a second alternate embodiment of the invention.
- FIG. 1 schematically illustrates the preferred embodiment of the invention.
- the existing raw water processing and injection system 12 is used to process sea water and provide the processed water for injection into the oil bearing formation below the sea floor via piping 14 in fluid communication with the wellheads 15 and the water injection wells 16 .
- the wellheads 15 are located at the sea floor 17 .
- the processed sea water is also used to provide the motive hydraulic power to the downhole equipment 18 via piping 20 in fluid communication with the wellheads 21 and the production well annulus 22 .
- the production wells are indicated by numeral 19 .
- the raw water power fluid is co-mingled with the production fluids and transported to a receiving/processing facility not shown via piping 24 .
- the piping 24 may be above or below the water surface.
- the wellhead 15 includes a power fluid isolation valve 28 , and a production master valve 30 .
- Tubing hanger 32 supports production tubing 34 .
- Casing hanger 36 supports casing 38 .
- the production tubing 34 is preferably equipped with ported landing nipples 40 that enable the hydraulic submersible pump assembly 42 to be installed by wireline, landed, and locked in position.
- a sealing packer 44 positioned between the lower end of the tubing assembly 34 and the casing 38 directs the flow of production fluids into the pump assembly and isolates the power fluid.
- a safety valve 46 is provided at the lower end of the pump assembly 42 . The safety valve 46 is controlled from the surface for shutting off the flow of production fluids if necessary.
- power fluid locally generated and processed sea water, from the processing system 12 is directed through the power fluid valve 28 into the annulus between the tubing 34 and casing 38 .
- the power fluid enters the pump assembly at the flow crossover 48 .
- Downhole pump assemblies are generally known but the operation will be briefly described for the sake of clarity.
- the power fluid flows through the pump assembly 42 to the turbine and causes the turbine and pump to spin.
- the pump provides power to help pull the production fluids from the formation.
- the production fluids exit the pump assembly at the pump discharge outlets 52 where they are co-mingled with the power fluid.
- the power fluid exits the pump assembly at the turbine exhaust ports 50 into the annulus between the pump assembly and production tubing.
- the co-mingled production fluid and power fluid flows back into the pump assembly below the flow crossover 48 .
- the co-mingled fluids exit the pump assembly into the production tubing 34 and flow up the tubing to the production master valve 30 and into the piping 24 seen in FIG. 1.
- the piping 24 delivers the co-mingled production and power fluids to a receiving/processing facility not shown.
- FIG. 3 schematically illustrates an alternate embodiment of the invention.
- the raw water power fluid is not co-mingled with the production fluid but instead is exhausted via piping 54 to the raw water processing and injection system 12 for reprocessing and injection into the reservoir.
- a second, smaller diameter casing 56 is provided in the annulus between the first casing 38 and the production tubing 34 . This defines an annulus between the production tubing 34 and the second casing 56 and an annulus between the first casing 38 and the second casing 56 .
- the power fluid isolation valve 28 is in fluid communication with the annulus between the production tubing 34 and the second casing 56 .
- the wellhead includes a turbine exhaust valve 58 which is in fluid communication with the annulus between the first casing 38 and the second casing 56 .
- the second casing 56 is provided with seals 60 that seal against the production tubing 34 and direct the crossover of power fluid to the production tubing annulus and into the pump assembly 42 .
- the turbine exhaust 50 directs the power fluid into the annulus between the casing 38 and the second inner casing 56 .
- power fluid processed sea water
- the power fluid enters the pump assembly at the flow crossover 48 .
- Downhole pump assemblies are generally known but the operation will be briefly described for the sake of clarity.
- the power fluid flows through the pump assembly 42 to the turbine and causes the turbine and pump to spin.
- the pump provides power to help pull the production fluids from the formation.
- the production fluids exit the pump assembly at the pump discharge outlets 52 into the annulus between the production tubing 34 and the second casing 56 .
- the production fluids then reenter the pump assembly before the crossover 48 and then exit the pump assembly into the production tubing 34 .
- the production fluids flow up through the production tubing 34 and through the master production valve to the piping 24 seen in FIG. 3.
- the piping 24 delivers the production fluids to a receiving/processing facility not shown.
- the power fluid exits the turbine exhaust 50 into the annulus between the first and second casings 38 and 56 and flows to the turbine exhaust valve 58 .
- the power fluid is then directed via piping 54 to the raw water processing and injection system where it is reprocessed and injected into the reservoir.
- FIG. 5 schematically illustrates an alternate embodiment of the invention.
- the raw water power fluid is not co-mingled with the production but instead is directed to a suitable formation for injection via a dual completion well 62 .
- the main operation is the same as that described for FIG. 3 and 4 .
- the difference is that the power fluid from turbine exhaust valve 58 is directed to water injection line 64 for injection into the oil bearing formation.
Abstract
An apparatus and method that uses the local raw water injection equipment to use the minimally processed seawater as the hydraulic power fluid for the downhole turbine/pump arrangement. In one embodiment, the raw water provides the hydraulic power to the downhole equipment via the production well annulus in an open loop arrangement. The raw water is co-mingled with the production fluids. In another embodiment, the raw water provides the hydraulic power to the downhole equipment via the production well annulus in a closed loop arrangement. The raw water is not co-mingled with the production fluids. In another embodiment, the raw water provides hydraulic power to the downhole equipment via the production well annulus in an open loop downhole arrangement. The raw water discharged from the turbine is conveyed to a suitable formation for injection via a dual completion well.
Description
- 1. Field of the Invention
- The invention is generally related to the production of oil and more particularly to the injection of water into an oil bearing formation.
- 2. General Background
- In the production of oil, it is often necessary to boost the pressure of the produced fluids in order to achieve the required production rates. Current downhole pressure boosting methods include the injection of water into the formation, well bore gas lift, electrical submersible pumps, and hydraulically driven, downhole turbine/pump arrangements.
- What is provided is an apparatus and method which uses locally generated, minimally treated sea water (raw water) injection equipment to provide the hydraulic power fluid for a downhole turbine/pump arrangement. In one embodiment, the raw water provides the hydraulic power to the downhole equipment via the production well annulus in an open loop arrangement. The raw water is co-mingled with the production fluids. In another embodiment, the raw water provides the hydraulic power to the downhole equipment via the production well annulus in a closed loop arrangement. The raw water is not co-mingled with the production fluids. In another embodiment, the raw water provides hydraulic power to the downhole equipment via the production well annulus in an open loop downhole arrangement. The raw water discharged from the turbine is conveyed to a suitable formation for injection via a dual completion well.
- For a further understanding of the nature and objects of the present invention reference should be made to the following description, taken in conjunction with the accompanying drawings in which like parts are given like reference numerals, and wherein:
- FIG. 1 is a schematic illustration of the preferred embodiment of the invention.
- FIG. 2 is a longitudinal cross section at the mid-plane of the hydraulic submersible pump used in the preferred embodiment of FIG. 1.
- FIG. 3 is a schematic illustration of an alternate embodiment of the invention.
- FIG. 4 is a longitudinal cross section at the mid-plane of the hydraulic submersible pump used in the alternate embodiment of FIG. 3.
- FIG. 5 is a schematic illustration of a second alternate embodiment of the invention.
- FIG. 1 schematically illustrates the preferred embodiment of the invention. The existing raw water processing and
injection system 12 is used to process sea water and provide the processed water for injection into the oil bearing formation below the sea floor viapiping 14 in fluid communication with thewellheads 15 and thewater injection wells 16. Thewellheads 15 are located at thesea floor 17. The processed sea water is also used to provide the motive hydraulic power to thedownhole equipment 18 viapiping 20 in fluid communication with thewellheads 21 and the production wellannulus 22. The production wells are indicated bynumeral 19. The raw water power fluid is co-mingled with the production fluids and transported to a receiving/processing facility not shown viapiping 24. Thepiping 24 may be above or below the water surface. - As seen in FIG. 2, the
wellhead 15 includes a powerfluid isolation valve 28, and aproduction master valve 30. Tubinghanger 32 supportsproduction tubing 34. Casinghanger 36 supportscasing 38. Theproduction tubing 34 is preferably equipped with portedlanding nipples 40 that enable the hydraulicsubmersible pump assembly 42 to be installed by wireline, landed, and locked in position. Asealing packer 44 positioned between the lower end of thetubing assembly 34 and thecasing 38 directs the flow of production fluids into the pump assembly and isolates the power fluid. Asafety valve 46 is provided at the lower end of thepump assembly 42. Thesafety valve 46 is controlled from the surface for shutting off the flow of production fluids if necessary. - In operation, power fluid, locally generated and processed sea water, from the
processing system 12 is directed through thepower fluid valve 28 into the annulus between thetubing 34 andcasing 38. The power fluid enters the pump assembly at theflow crossover 48. Downhole pump assemblies are generally known but the operation will be briefly described for the sake of clarity. The power fluid flows through thepump assembly 42 to the turbine and causes the turbine and pump to spin. The pump provides power to help pull the production fluids from the formation. The production fluids exit the pump assembly at thepump discharge outlets 52 where they are co-mingled with the power fluid. The power fluid exits the pump assembly at theturbine exhaust ports 50 into the annulus between the pump assembly and production tubing. The co-mingled production fluid and power fluid flows back into the pump assembly below theflow crossover 48. The co-mingled fluids exit the pump assembly into theproduction tubing 34 and flow up the tubing to theproduction master valve 30 and into thepiping 24 seen in FIG. 1. As indicated above, thepiping 24 delivers the co-mingled production and power fluids to a receiving/processing facility not shown. - FIG. 3 schematically illustrates an alternate embodiment of the invention. In this embodiment, the raw water power fluid is not co-mingled with the production fluid but instead is exhausted via
piping 54 to the raw water processing andinjection system 12 for reprocessing and injection into the reservoir. - As seen in FIG. 4, there are several differences from the embodiment of FIG. 2. A second,
smaller diameter casing 56 is provided in the annulus between thefirst casing 38 and theproduction tubing 34. This defines an annulus between theproduction tubing 34 and thesecond casing 56 and an annulus between thefirst casing 38 and thesecond casing 56. The powerfluid isolation valve 28 is in fluid communication with the annulus between theproduction tubing 34 and thesecond casing 56. The wellhead includes aturbine exhaust valve 58 which is in fluid communication with the annulus between thefirst casing 38 and thesecond casing 56. Thesecond casing 56 is provided withseals 60 that seal against theproduction tubing 34 and direct the crossover of power fluid to the production tubing annulus and into thepump assembly 42. Theturbine exhaust 50 directs the power fluid into the annulus between thecasing 38 and the secondinner casing 56. - In operation, power fluid (processed sea water) from the
processing system 12 is directed through thepower fluid valve 28 into the annulus between thetubing 34 andsecond casing 56. The power fluid enters the pump assembly at theflow crossover 48. Downhole pump assemblies are generally known but the operation will be briefly described for the sake of clarity. The power fluid flows through thepump assembly 42 to the turbine and causes the turbine and pump to spin. The pump provides power to help pull the production fluids from the formation. The production fluids exit the pump assembly at thepump discharge outlets 52 into the annulus between theproduction tubing 34 and thesecond casing 56. The production fluids then reenter the pump assembly before thecrossover 48 and then exit the pump assembly into theproduction tubing 34. The production fluids flow up through theproduction tubing 34 and through the master production valve to thepiping 24 seen in FIG. 3. As indicated above, the piping 24 delivers the production fluids to a receiving/processing facility not shown. The power fluid exits theturbine exhaust 50 into the annulus between the first andsecond casings turbine exhaust valve 58. The power fluid is then directed via piping 54 to the raw water processing and injection system where it is reprocessed and injected into the reservoir. - FIG. 5 schematically illustrates an alternate embodiment of the invention. In this embodiment, the raw water power fluid is not co-mingled with the production but instead is directed to a suitable formation for injection via a
dual completion well 62. - The main operation is the same as that described for FIG. 3 and4. The difference is that the power fluid from
turbine exhaust valve 58 is directed towater injection line 64 for injection into the oil bearing formation. - Because many varying and differing embodiments may be made within the scope of the inventive concept herein taught and because many modifications may be made in the embodiment herein detailed in accordance with the descriptive requirement of the law, it is to be understood that the details herein are to be interpreted as illustrative and not in a limiting sense.
Claims (3)
1. A method for boosting production of hydrocarbons from a well in an oil bearing formation, comprising the steps of:
a. placing a hydraulic submersible pump in the well;
b. driving the hydraulic pump with locally generated and processed sea water; and
c. directing the water exhaust from the hydraulic pump into a common line with the produced hydrocarbons.
2. A method for boosting production of hydrocarbons from a well in an oil bearing formation, comprising the steps of:
a. placing a hydraulic submersible pump in the well;
b. driving the hydraulic pump with locally generated and processed sea water; and
c. directing the water exhaust from the hydraulic pump into a separate line from the hydrocarbons for reuse.
3. A method for boosting production of hydrocarbons from a well in an oil bearing formation, comprising the steps of:
a. placing a hydraulic submersible pump in the well;
b. driving the hydraulic pump with locally generated and processed water;
c. directing the water exhaust from the hydraulic pump into a separate line from the produced hydrocarbons; and
d. injecting the water exhaust from the hydraulic pump into the oil bearing formation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0000653A GB2358202A (en) | 2000-01-12 | 2000-01-12 | Methods for boosting hydrocarbon production |
GB0000653.6 | 2000-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20010007283A1 true US20010007283A1 (en) | 2001-07-12 |
Family
ID=9883567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/756,350 Abandoned US20010007283A1 (en) | 2000-01-12 | 2001-01-08 | Method for boosting hydrocarbon production |
Country Status (4)
Country | Link |
---|---|
US (1) | US20010007283A1 (en) |
BR (1) | BR0100053A (en) |
GB (1) | GB2358202A (en) |
NO (1) | NO20010146L (en) |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040129427A1 (en) * | 2001-02-14 | 2004-07-08 | Allan Sharp | Downhole pump |
US20040244987A1 (en) * | 2003-06-04 | 2004-12-09 | Crews Gregory A. | Oil anchor |
US20050167116A1 (en) * | 2003-08-14 | 2005-08-04 | Lima Goncalves Marcelo De Albuquerque | Apparatus for production in oil wells |
US20070187110A1 (en) * | 2003-08-14 | 2007-08-16 | Lima Goncalves Marcelo D A | Method and apparatus for production in oil wells |
US20080236839A1 (en) * | 2007-03-27 | 2008-10-02 | Schlumberger Technology Corporation | Controlling flows in a well |
US20090056939A1 (en) * | 2007-08-30 | 2009-03-05 | Schlumberger Technology Corporation | Flow control device and method for a downhole oil-water separator |
US20090217992A1 (en) * | 2008-02-29 | 2009-09-03 | Schlumberger Technology Corporation | Subsea injection system |
US20090242197A1 (en) * | 2007-08-30 | 2009-10-01 | Schlumberger Technology Corporation | Flow control system and method for downhole oil-water processing |
US20110067881A1 (en) * | 2008-12-16 | 2011-03-24 | Chevron U.S.A. Inc. | System and method for delivering material to a subsea well |
US8062400B2 (en) | 2008-06-25 | 2011-11-22 | Dresser-Rand Company | Dual body drum for rotary separators |
US8061972B2 (en) | 2009-03-24 | 2011-11-22 | Dresser-Rand Company | High pressure casing access cover |
US8061737B2 (en) | 2006-09-25 | 2011-11-22 | Dresser-Rand Company | Coupling guard system |
US8079805B2 (en) | 2008-06-25 | 2011-12-20 | Dresser-Rand Company | Rotary separator and shaft coupler for compressors |
US8079622B2 (en) | 2006-09-25 | 2011-12-20 | Dresser-Rand Company | Axially moveable spool connector |
US8087901B2 (en) | 2009-03-20 | 2012-01-03 | Dresser-Rand Company | Fluid channeling device for back-to-back compressors |
US8210804B2 (en) | 2009-03-20 | 2012-07-03 | Dresser-Rand Company | Slidable cover for casing access port |
US8231336B2 (en) | 2006-09-25 | 2012-07-31 | Dresser-Rand Company | Fluid deflector for fluid separator devices |
US8267437B2 (en) | 2006-09-25 | 2012-09-18 | Dresser-Rand Company | Access cover for pressurized connector spool |
US8302779B2 (en) | 2006-09-21 | 2012-11-06 | Dresser-Rand Company | Separator drum and compressor impeller assembly |
US8408879B2 (en) | 2008-03-05 | 2013-04-02 | Dresser-Rand Company | Compressor assembly including separator and ejector pump |
US8414692B2 (en) | 2009-09-15 | 2013-04-09 | Dresser-Rand Company | Density-based compact separator |
US8430433B2 (en) | 2008-06-25 | 2013-04-30 | Dresser-Rand Company | Shear ring casing coupler device |
US8434998B2 (en) | 2006-09-19 | 2013-05-07 | Dresser-Rand Company | Rotary separator drum seal |
US8596292B2 (en) | 2010-09-09 | 2013-12-03 | Dresser-Rand Company | Flush-enabled controlled flow drain |
US8657935B2 (en) | 2010-07-20 | 2014-02-25 | Dresser-Rand Company | Combination of expansion and cooling to enhance separation |
US8673159B2 (en) | 2010-07-15 | 2014-03-18 | Dresser-Rand Company | Enhanced in-line rotary separator |
US8733726B2 (en) | 2006-09-25 | 2014-05-27 | Dresser-Rand Company | Compressor mounting system |
US8746464B2 (en) | 2006-09-26 | 2014-06-10 | Dresser-Rand Company | Static fluid separator device |
US8821362B2 (en) | 2010-07-21 | 2014-09-02 | Dresser-Rand Company | Multiple modular in-line rotary separator bundle |
US9095856B2 (en) | 2010-02-10 | 2015-08-04 | Dresser-Rand Company | Separator fluid collector and method |
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US20220290541A1 (en) * | 2019-08-23 | 2022-09-15 | Petróleo Brasileiro S.A. - Petrobrás | Integrated system for subsea heating and pumping of oil and water injection for reservoir pressurization, and method of heating, of subsea pumping hydraulically actuated and water injection |
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-
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- 2001-01-08 US US09/756,350 patent/US20010007283A1/en not_active Abandoned
- 2001-01-09 NO NO20010146A patent/NO20010146L/en not_active Application Discontinuation
- 2001-01-11 BR BR0100053-5A patent/BR0100053A/en not_active IP Right Cessation
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US7207381B2 (en) * | 2001-02-14 | 2007-04-24 | Allan Sharp | Downhole pump driven by injection water |
US20040129427A1 (en) * | 2001-02-14 | 2004-07-08 | Allan Sharp | Downhole pump |
US20040244987A1 (en) * | 2003-06-04 | 2004-12-09 | Crews Gregory A. | Oil anchor |
US7000694B2 (en) | 2003-06-04 | 2006-02-21 | Crews Gregory A | Oil anchor |
US20060076143A1 (en) * | 2003-06-04 | 2006-04-13 | Crews Gregory A | Oil anchor |
US7594543B2 (en) * | 2003-08-14 | 2009-09-29 | Goncalves Marcelo De Albuquerqus Lima | Method and apparatus for production in oil wells |
US20050167116A1 (en) * | 2003-08-14 | 2005-08-04 | Lima Goncalves Marcelo De Albuquerque | Apparatus for production in oil wells |
US7249634B2 (en) * | 2003-08-14 | 2007-07-31 | Petroleo Brasileiro S.A. - Petrobras | Apparatus for production in oil wells |
US20070187110A1 (en) * | 2003-08-14 | 2007-08-16 | Lima Goncalves Marcelo D A | Method and apparatus for production in oil wells |
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US20080236839A1 (en) * | 2007-03-27 | 2008-10-02 | Schlumberger Technology Corporation | Controlling flows in a well |
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US8006757B2 (en) * | 2007-08-30 | 2011-08-30 | Schlumberger Technology Corporation | Flow control system and method for downhole oil-water processing |
US8327941B2 (en) * | 2007-08-30 | 2012-12-11 | Schlumberger Technology Corporation | Flow control device and method for a downhole oil-water separator |
US20090056939A1 (en) * | 2007-08-30 | 2009-03-05 | Schlumberger Technology Corporation | Flow control device and method for a downhole oil-water separator |
US20090242197A1 (en) * | 2007-08-30 | 2009-10-01 | Schlumberger Technology Corporation | Flow control system and method for downhole oil-water processing |
US20110000675A1 (en) * | 2007-08-30 | 2011-01-06 | Schlumberger Technology Corporation | Flow control device and method for a downhole oil-water separator |
US7814976B2 (en) * | 2007-08-30 | 2010-10-19 | Schlumberger Technology Corporation | Flow control device and method for a downhole oil-water separator |
US20090217992A1 (en) * | 2008-02-29 | 2009-09-03 | Schlumberger Technology Corporation | Subsea injection system |
US8961153B2 (en) * | 2008-02-29 | 2015-02-24 | Schlumberger Technology Corporation | Subsea injection system |
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Also Published As
Publication number | Publication date |
---|---|
GB0000653D0 (en) | 2000-03-01 |
NO20010146D0 (en) | 2001-01-09 |
NO20010146L (en) | 2001-07-13 |
BR0100053A (en) | 2001-08-21 |
GB2358202A (en) | 2001-07-18 |
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