AU2009299856B2 - Method and system for producing hydrocarbon fluid through a well with a sensor assembly outside the well casing - Google Patents
Method and system for producing hydrocarbon fluid through a well with a sensor assembly outside the well casing Download PDFInfo
- Publication number
- AU2009299856B2 AU2009299856B2 AU2009299856A AU2009299856A AU2009299856B2 AU 2009299856 B2 AU2009299856 B2 AU 2009299856B2 AU 2009299856 A AU2009299856 A AU 2009299856A AU 2009299856 A AU2009299856 A AU 2009299856A AU 2009299856 B2 AU2009299856 B2 AU 2009299856B2
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- Australia
- Prior art keywords
- annular space
- sensor assembly
- casing
- materials
- well
- 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.)
- Ceased
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- 239000012530 fluid Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 10
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 10
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000007787 solid Substances 0.000 claims abstract description 14
- 239000013536 elastomeric material Substances 0.000 claims abstract description 5
- 230000000704 physical effect Effects 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 10
- 239000000696 magnetic material Substances 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000035699 permeability Effects 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 239000011343 solid material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 230000002269 spontaneous effect Effects 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- 229910000792 Monel Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910000816 inconels 718 Inorganic materials 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 230000005012 migration Effects 0.000 claims description 2
- 238000013508 migration Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 230000008054 signal transmission Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000010779 crude oil Substances 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
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
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
Abstract
A method is disclosed for producing hydrocarbon fluids through a well (1) having a well casing string (5) with a casing section (5A) which is surrounded by an annular space (9) which comprises a sensor assembly (8) for measuring electromagnetic and/or other physical properties of solid and fluid materials within the annular space (8), in an underground formation (2) surrounding the annular space (8) and/or within the interior of the section (5A) of the casing string (5), wherein the sensor assembly (8) is mounted on a body of swellable material, such as a swellable rubber or other elastomeric material, which is secured to the outer surface of said casing section and presses the sensor assembly (8) against the inner surface of the surrounding underground formation after the casing string (5) has been lowered into the wellbore (1).
Description
METHOD AND SYSTEM FOR PRODUCING HYDROCARBON FLUID THROUGH A WELL WITH A SENSOR ASSEMBLY OUTSIDE THE WELL CASING Background of the Invention The invention relates to a method and system for producing hydrocarbon fluid through a well with a sensor assembly outside the well casing. Such a method and system are known from International patent application WO 03/029614, which discloses a system for measuring pore pressure in a formation surrounding a well casing by a pressure sensor which is embedded in a cement sheath surrounding a steel well casing, and which sheath is fractured by a perforating gun to provide an open fluid channel between the sensor and the pores of the surrounding formation. A limitation of the known system is that it is difficult to provide electrical power to the sensor and to transmit data from the sensor to surface and that the steel casing inhibits collection of electromagnetic data about several properties of fluid and solid materials in the surrounding formation. Object of the Invention It is the object of the present invention to substantially overcome or ameliorate one or more of the above disadvantages. Summary of the Invention The present invention provides a method of producing hydrocarbon fluids through a well having a well casing string with a casing section which is surrounded by an annular space comprising a body of swellable material, which is secured to the outer surface of the casing section and is configured to swell against the inner surface of the underground formation surrounding the wellbore after the casing string has been lowered into the wellbore; wherein a sensor assembly is mounted on the body of swellable material, which sensor assembly is configured to measure electromagnetic and/or other physical properties of solid and 2 fluid materials within the annular space, in an underground formation surrounding the annular space and/or within the interior of the casing section, including one or more of the following properties: the pore pressure in pores of the formation adjacent to the annular space; the chemical composition of fluid in the pores of the formation adjacent to the annular space; the electrical resistivity and/or conductivity of the solid and fluid materials in the formation surrounding the annular space; the streaming and spontaneous potentials of the solid and fluid materials in the formation surrounding the annular space; the dielectric constant of the solid and fluid materials in the formation surrounding the annular space; changes in a cement lining arranged in the annular space, including migration of any chemical contaminants through the cement lining; properties of a fluid flowing through the interior of the casing string; deformation and/or tilting of the well casing string; deformation, such as compaction and expansion, of the formation surrounding the annular space; stress in any solid materials in the annular space and the formation surrounding the annular space; and acoustic rock reflections; and wherein the sensor assembly is connected to an electrical and/or fiber optical data transmission conduit within the casing string by a wireless data and/or power transmission link, which transmits data and/or power through the wall of the casing section, which is made of a non-magnetic or weakly magnetic material. Preferably, the wireless data and/or power transmission link comprises at least one pair of substantially coaxial inductive couplers which each comprise a coiled electrical cable. Preferably, the sensor assembly is mounted on a body of swellable elastomeric material, such as a swellable rubber. The present invention also provides a system for producing hydrocarbon fluids through a well having a well casing string with a casing section which is surrounded by an annular space which 3 comprises a body of swellable material, which body is secured to the outer surface of the casing section and presses against the inner surface of the underground formation surrounding the wellbore after the casing string has been lowered into the wellbore; wherein the body of swellable material carries a sensor assembly for measuring electromagnetic and/or other physical properties of solid and fluid materials within the annular space, in the underground formation surrounding the annular space and/or within the interior of the casing section, which sensor assembly is connected to an electrical and/or fiber optical data transmission conduit within the casing string by a wireless data and/or power transmission link, which transmits data and/or power through the wall of the casing section, which is made of a non magnetic or weakly magnetic material. Preferably, the sensor assembly is mounted on a body of swellable elastomeric material, such as a swellable rubber. Preferably, the non-magnetic or weakly magnetic material is selected from the following group of materials: non-metallic materials, such as Glassfiber Reinforced Plastic (GRP); non-magnetic materials, such as aluminium, gold and titanium; low curie temperature materials, such as an inconel 718 and monel K500; and/or low magnetic permeability soft magnetic materials, such as casing steel grades L80 and L80 13 Chrome, where the relative magnetic permeability is in the range from 50 to 200 and/or the bulk electrical resistivity is in the range from 30x10~8 to 120x10~8 Qm. These and other features, embodiments and advantages of the method and system according to the invention are described in the accompanying claims, abstract and the following detailed description of preferred embodiments disclosed in the accompanying drawings in which reference numerals are used which refer to corresponding reference numerals that are shown in the drawings.
WO 2010/037729 PCT/EP2009/062577 4 BRIEF DESCRIPTION OF THE DRAWINGS FIG.1 is a schematic longitudinal sectional view of a well equipped with a sensor assembly according to the invention; 5 FIG.2 is a schematic three-dimensional view of the inductive couplings on the production tubing and casing sections in the vicinity of the sensor assembly; and FIG.3 is a schematic longitudinal sectional view of a well equipped with a sensor assembly according to the 10 invention. DETAILED DESCRIPTION OF THE DEPICTED EMBODIMENTS FIG.1 shows a crude oil and/or natural gas production well 1, which traverses a crude oil and/or natural gas containing formation 2. 15 The well 1 comprises a wellhead 3 which is located at the earth surface 4 and from which a well casing 5 and a tubing hanger 6 are suspended, from which tubing hanger 6 a production tubing 7 is suspended within the well 1. 20 A sensor assembly 8 is mounted in a support sleeve 9, which is secured to the outer surface of a casing section 5A of the well casing 5, which support sleeve 9 substantially fills an annular space surrounding the well casing 5 within a region where the well 1 25 traverses the crude oil and/or natural gas containing formation 2. A wireless power and/or signal transmission sleeve 10 is mounted on the outer surface of the production tubing 7 at the same depth as the support sleeve 9 and such that the sleeves 9 and 10 are 30 substantially co-axial to each other. The wireless power and/or signal transmission sleeve 10 is connected to a surface monitoring unit 11 via an electrical and/or fiber optical cable assembly 12 WO 2010/037729 PCT/EP2009/062577 5 extending through the annulus between the production tubing 7 and well casing 5 and through the wellhead 3. Optionally the cable assembly 12 may be equipped with a sensor interface unit 13 and a subsea control module 14 5 if the wellhead 3 is located at the sea bottom 4. FIG.2 shows in more detail and at a larger scale than in FIG.1 that the support sleeve 9 is provided with an inductive coupler 15 which is connected to the sensor assembly 8 and that the wireless power and/or signal 10 transmission sleeve 10 is provided with a second inductive coupler 16, which is connected to the cable assembly 12 by a power and/or signal transmission, amplification and/or conversion module 17. The tubing 7 is inserted into the non-magnetic casing section 5A as 15 illustrated by arrow 18 such that the inductive couplers 15 and 16 are arranged substantially co-axially to each other and form a wireless electrical power and/or signal transmission link which connects the sensor assembly 8 via the cable assembly 12 to the surface monitor unit 11. 20 The presence of a non-magnetic casing section 5A between the inductive couplers 15 and 16 enhances the wireless transmission of electrical power and/or signals between the sensor assembly 8 and the power and/or signal transmission, amplification and/or conversion module 17 25 so that the sensor assembly 8 may be equipped with a significant amount of sensors, such as sensors which are configured to measure: - the pore pressure in pores of the formation adjacent to the annular space; 30 - the chemical composition of fluid in the pores of the formation adjacent to the annular space; - the electrical resistivity and/or conductivity of the solid and fluid materials in the formation surrounding WO 2010/037729 PCT/EP2009/062577 6 the annular space; - the streaming and spontaneous potentials of the solid and fluid materials in the formation surrounding the annular space; 5 - the dielectric constant of the solid and fluid materials in the formation surrounding the annular space - deformation and/or tilting of the well casing string; - deformation, such as compaction and expansion, of the formation surrounding the annular space; 10 - stress in any solid materials in the annular space and the formation surrounding the annular space; and/or - acoustic rock reflections. Fig.3 shows a liner 30 arranged in a wellbore 31 wherein the annular space between the liner 30 and wellbore 31 is 15 filled with cement 32 and a sensor assembly according to the invention. The assembly comprises a support sleeve 33, a pressure sensor 34 which is embedded in an intermediate permeable swellable elastomeric sleeve 35, and an upper and a lower swellable elastomeric sleeve 36 20 and 37 are arranged above and below the intermediate permeable elastomeric sleeve 35. The upper, lower and intermediate sleeves 35-37 are configured to swell against the wellbore 31 such that they have the swollen shape as indicated by dotted lines 25 35A-37A after the cement slurry 32 has been injected and before the cement slurry 32 has been hardened. The upper and lower sleeves 36 and 37 are impermeable and thereby seal off the intermediate sleeve 35 and the pressure sensor 34 embedded therein from the cement body 30 32. The intermediate sleeve 35 has a permeability, preferably in the range of 1 -10 mD, to allow the pressure sensor 34 to be in fluid contact with the fluid in the pores of the formation 38 surrounding the wellbore WO 2010/037729 PCT/EP2009/062577 7 31. The pressure sensor 34 is provided with a signal and power supply cable 39, which may be connected to an umbilical power and signal transmission cable assembly 40 by an inductive coupler 41 or another wireless or wired 5 coupling assembly. The pressure sensor 34 shown in Fig.3 is adequately isolated from the cement 32 by the swellable sleeves 36A and 37A and is in fluid contact with the fluid in the pores of the surrounding formation 38 via the permeable 10 sleeve 35A which enables the pressure sensor 34 to accurately monitor the pore pressure of the fluid, such as crude oil, natural gas, oil shale and/or shale oil, in the pores of the formation 38 over a prolonged period of time.
Claims (8)
1. A method of producing hydrocarbon fluids through a well having a well casing string with a casing section which is surrounded by an annular space comprising a body of swellable material, which is secured to the outer surface of the casing section and is configured to swell against the inner surface of the underground formation surrounding the wellbore after the casing string has been lowered into the wellbore; wherein a sensor assembly is mounted on the body of swellable material, which sensor assembly is configured to measure electromagnetic and/or other physical properties of solid and fluid materials within the annular space, in an underground formation surrounding the annular space and/or within the interior of the casing section, including one or more of the following properties: the pore pressure in pores of the formation adjacent to the annular space; the chemical composition of fluid in the pores of the formation adjacent to the annular space; the electrical resistivity and/or conductivity of the solid and fluid materials in the formation surrounding the annular space; the streaming and spontaneous potentials of the solid and fluid materials in the formation surrounding the annular space; the dielectric constant of the solid and fluid materials in the formation surrounding the annular space; changes in a cement lining arranged in the annular space, including migration of any chemical contaminants through the cement lining; properties of a fluid flowing through the interior of the casing string; deformation and/or tilting of the well casing string; deformation, such as compaction and expansion, of the formation surrounding the annular space; stress in any solid materials in the annular space and the formation surrounding the annular space; and acoustic rock reflections; and wherein the sensor assembly is connected to an electrical and/or fiber optical data transmission conduit within the casing string by a wireless data and/or power transmission link, which transmits data and/or power through the wall of the casing section, which is made of a non-magnetic or weakly magnetic material. 9
2. The method of claim 1, wherein the wireless data and/or power transmission link comprises at least one pair of substantially coaxial inductive couplers which each comprise a coiled electrical cable.
3. The method of any one of claims 1-2, wherein the sensor assembly is mounted on a body of swellable elastomeric material, such as a swellable rubber.
4. A system for producing hydrocarbon fluids through a well having a well casing string with a casing section which is surrounded by an annular space which comprises a body of swellable material, which body is secured to the outer surface of the casing section and presses against the inner surface of the underground formation surrounding the wellbore after the casing string has been lowered into the wellbore; wherein the body of swellable material carries a sensor assembly for measuring electromagnetic and/or other physical properties of solid and fluid materials within the annular space, in the underground formation surrounding the annular space and/or within the interior of the casing section, which sensor assembly is connected to an electrical and/or fiber optical data transmission conduit within the casing string by a wireless data and/or power transmission link, which transmits data and/or power through the wall of the casing section, which is made of a non magnetic or weakly magnetic material.
5. The system of claim 4, wherein the sensor assembly is mounted on a body of swellable elastomeric material, such as a swellable rubber.
6. The system of claim 4, where the non-magnetic or weakly magnetic material is selected from the following group of materials: non-metallic materials, such as Glassfiber Reinforced Plastic (GRP); non-magnetic materials, such as aluminium, gold and titanium; low curie temperature materials, such as an inconel 718 and monel K500; and/or low magnetic permeability soft magnetic materials, such as casing steel grades L80 and L80 13 Chrome, where the relative magnetic permeability is in the range from 50 to 200 and/or the bulk electrical resistivity is in the range from 30x10-8 to 120x10- 8 m.
7. A method of producing hydrocarbon fluids substantially as hereinbefore described with reference to the accompanying drawings. 10
8. A system for producing hydrocarbon fluids substantially as hereinbefore described with reference to the accompanying drawings. Shell Internationale Research Maatschappij B.V. Patent Attorneys for the Applicant/Nominated Person SPRUSON & FERGUSON
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08165649.8 | 2008-10-01 | ||
| EP08165649 | 2008-10-01 | ||
| PCT/EP2009/062577 WO2010037729A1 (en) | 2008-10-01 | 2009-09-29 | Method and system for producing hydrocarbon fluid through a well with a sensor assembly outside the well casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2009299856A1 AU2009299856A1 (en) | 2010-04-08 |
| AU2009299856B2 true AU2009299856B2 (en) | 2013-07-18 |
Family
ID=40210430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2009299856A Ceased AU2009299856B2 (en) | 2008-10-01 | 2009-09-29 | Method and system for producing hydrocarbon fluid through a well with a sensor assembly outside the well casing |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20110284216A1 (en) |
| EP (1) | EP2329110A1 (en) |
| AU (1) | AU2009299856B2 (en) |
| CA (1) | CA2736925A1 (en) |
| WO (1) | WO2010037729A1 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9394756B2 (en) | 2007-04-02 | 2016-07-19 | Halliburton Energy Services, Inc. | Timeline from slumber to collection of RFID tags in a well environment |
| US9394784B2 (en) | 2007-04-02 | 2016-07-19 | Halliburton Energy Services, Inc. | Algorithm for zonal fault detection in a well environment |
| US8322415B2 (en) * | 2009-09-11 | 2012-12-04 | Schlumberger Technology Corporation | Instrumented swellable element |
| US20110315377A1 (en) * | 2010-06-25 | 2011-12-29 | Schlumberger Technology Corporation | Sensors in Swellable Materials |
| US8585413B2 (en) * | 2011-05-18 | 2013-11-19 | Sandia Corporation | Rotary electrical contact device and method for providing current to and/or from a rotating member |
| US20120313741A1 (en) * | 2011-06-09 | 2012-12-13 | Hall David R | Data Transmission Apparatus Comprising a Helically Wound Conductor |
| CN103457077B (en) * | 2012-06-01 | 2016-03-09 | 凡甲电子(苏州)有限公司 | Wire and cable connector |
| US11417460B2 (en) * | 2013-11-08 | 2022-08-16 | Schlumberger Technology Corporation | Slide-on inductive coupler system |
| WO2015187908A1 (en) * | 2014-06-05 | 2015-12-10 | Schlumberger Canada Limited | Well integrity monitoring system with wireless coupler |
| EP2957934A1 (en) * | 2014-06-18 | 2015-12-23 | Services Petroliers Schlumberger | Systems and methods for determining annular fill material based on resistivity measurements |
| US10053980B2 (en) | 2015-03-27 | 2018-08-21 | Halliburton As | Borehole stress meter system and method for determining wellbore formation instability |
| WO2016159776A1 (en) * | 2015-03-27 | 2016-10-06 | Sensor Developments As | Borehole stress meter system and method for determining wellbore formation instability |
| WO2017112027A1 (en) * | 2015-12-21 | 2017-06-29 | Westerngeco Llc | Swellable spacer seismic streamer |
| AU2016433058A1 (en) | 2016-12-20 | 2019-05-16 | Halliburton Energy Services, Inc. | Methods and systems for downhole inductive coupling |
| US10900347B2 (en) | 2018-03-01 | 2021-01-26 | Cameron International Corporation | BOP elastomer health monitoring |
| NO345469B1 (en) * | 2019-05-20 | 2021-02-15 | Hydrophilic As | Continuous water pressure measurement in a hydrocarbon reservoir |
| US11031744B1 (en) * | 2019-05-23 | 2021-06-08 | National Technology & Engineering Solutions Of Sandia, Llc | Belt structures for rotary electrical contact device |
| US10971876B1 (en) * | 2019-05-23 | 2021-04-06 | National Technology & Engineering Solutions Of Sandia, Llc | Belt structures for rotary electrical contact device |
| GB201915617D0 (en) * | 2019-10-28 | 2019-12-11 | Expro North Sea Ltd | Apparatus and method for contacting an open hole surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040144538A1 (en) * | 2003-01-29 | 2004-07-29 | Richard Bennett M. | Alternative method to cementing casing and liners |
| GB2411918A (en) * | 2004-03-12 | 2005-09-14 | Schlumberger Holdings | Sealing system |
| US20070151724A1 (en) * | 2006-01-05 | 2007-07-05 | Schlumberger Technology Corporation | System and Method for Isolating a Wellbore Region |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3209323A (en) * | 1962-10-02 | 1965-09-28 | Texaco Inc | Information retrieval system for logging while drilling |
| SK278745B6 (en) * | 1989-05-24 | 1998-02-04 | �Stav Makromolekul�Rn� Chemie Av �R | Resins swellable by water and aqueous solutions and method for producing the same |
| US5052491A (en) * | 1989-12-22 | 1991-10-01 | Mecca Incorporated Of Wyoming | Oil tool and method for controlling paraffin deposits in oil flow lines and downhole strings |
| GB2338253B (en) * | 1998-06-12 | 2000-08-16 | Schlumberger Ltd | Power and signal transmission using insulated conduit for permanent downhole installations |
| EP1609947B1 (en) * | 2004-06-23 | 2008-06-11 | Service Pétroliers Schlumberger | Deployment of underground sensors in casing |
| US7896070B2 (en) * | 2006-03-30 | 2011-03-01 | Schlumberger Technology Corporation | Providing an expandable sealing element having a slot to receive a sensor array |
| US20080220991A1 (en) * | 2007-03-06 | 2008-09-11 | Halliburton Energy Services, Inc. - Dallas | Contacting surfaces using swellable elements |
-
2009
- 2009-09-29 EP EP09817289A patent/EP2329110A1/en not_active Withdrawn
- 2009-09-29 WO PCT/EP2009/062577 patent/WO2010037729A1/en active Application Filing
- 2009-09-29 AU AU2009299856A patent/AU2009299856B2/en not_active Ceased
- 2009-09-29 CA CA2736925A patent/CA2736925A1/en not_active Abandoned
- 2009-09-29 US US13/121,492 patent/US20110284216A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040144538A1 (en) * | 2003-01-29 | 2004-07-29 | Richard Bennett M. | Alternative method to cementing casing and liners |
| GB2411918A (en) * | 2004-03-12 | 2005-09-14 | Schlumberger Holdings | Sealing system |
| US20070151724A1 (en) * | 2006-01-05 | 2007-07-05 | Schlumberger Technology Corporation | System and Method for Isolating a Wellbore Region |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010037729A1 (en) | 2010-04-08 |
| AU2009299856A1 (en) | 2010-04-08 |
| CA2736925A1 (en) | 2010-04-08 |
| US20110284216A1 (en) | 2011-11-24 |
| EP2329110A1 (en) | 2011-06-08 |
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Legal Events
| Date | Code | Title | Description |
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| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |