MX353477B - Sistema y método para ajustar dinámicamente el centro de gravedad de un aparato de perforación. - Google Patents

Sistema y método para ajustar dinámicamente el centro de gravedad de un aparato de perforación.

Info

Publication number
MX353477B
MX353477B MX2014001408A MX2014001408A MX353477B MX 353477 B MX353477 B MX 353477B MX 2014001408 A MX2014001408 A MX 2014001408A MX 2014001408 A MX2014001408 A MX 2014001408A MX 353477 B MX353477 B MX 353477B
Authority
MX
Mexico
Prior art keywords
gravity
perforating apparatus
center
charge
charge holder
Prior art date
Application number
MX2014001408A
Other languages
English (en)
Inventor
E Novak Alison
D Burleson John
H Hales John
Original Assignee
Halliburton Energy Services Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Halliburton Energy Services Inc filed Critical Halliburton Energy Services Inc
Publication of MX353477B publication Critical patent/MX353477B/es

Links

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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/11—Perforators; Permeators
    • E21B43/119—Details, e.g. for locating perforating place or direction

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Toys (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

La presente invención se refiere a un aparato de perforación (170, 180) usado para perforar un pozo subterráneo, el aparato de perforación comprende: un portador de pistola generalmente tubular; un sostenedor de carga (172, 182) montado de manera rotable dentro del portador de pistola; y al menos una carga hueca montada en el sostenedor de carga (172, 182) y operable para perforar el pozo durante la detonación; caracterizado porque el aparato de perforación comprende un sistema de peso dinámicamente ajustable (174, 184) asociado de manera operable con el sostenedor de carga (172, 182), el sistema de peso dinámicamente ajustable (174, l84ì incluye una pluralidad de tubos que se extienden longitudinalmente distribuidos circunferencialmente (176, 186) operables para contener dentro un material pesado para ajustar el centro de gravedad del sostenedor de carga (172, 182; de manera que la gravedad provocará que el sostenedor de carga (172, 182) rote dentro del portador de pistola para posicionar la al menos una carga hueca en una dirección circunferencial deseada en relación con el pozo previo a la perforación.
MX2014001408A 2009-03-13 2010-02-09 Sistema y método para ajustar dinámicamente el centro de gravedad de un aparato de perforación. MX353477B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/403,420 US7934558B2 (en) 2009-03-13 2009-03-13 System and method for dynamically adjusting the center of gravity of a perforating apparatus
PCT/US2010/023545 WO2010104634A2 (en) 2009-03-13 2010-02-09 System and method for dynamically adjusting the center of gravity of a perforating apparatus

Publications (1)

Publication Number Publication Date
MX353477B true MX353477B (es) 2018-01-15

Family

ID=42727575

Family Applications (4)

Application Number Title Priority Date Filing Date
MX2014001406A MX351252B (es) 2009-03-13 2010-02-09 Sistema y método para ajustar dinámicamente el centro de gravedad de un aparato de perforación.
MX2014001408A MX353477B (es) 2009-03-13 2010-02-09 Sistema y método para ajustar dinámicamente el centro de gravedad de un aparato de perforación.
MX2011009545A MX2011009545A (es) 2009-03-13 2010-02-09 Sistema y metodo para ajustar dinamicamente el centro de gravedad de un aparato de perforacion.
MX2014001407A MX353593B (es) 2009-03-13 2011-09-12 Sistema y método para ajustar dinámicamente el centro de gravedad de un aparato de perforación.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX2014001406A MX351252B (es) 2009-03-13 2010-02-09 Sistema y método para ajustar dinámicamente el centro de gravedad de un aparato de perforación.

Family Applications After (2)

Application Number Title Priority Date Filing Date
MX2011009545A MX2011009545A (es) 2009-03-13 2010-02-09 Sistema y metodo para ajustar dinamicamente el centro de gravedad de un aparato de perforacion.
MX2014001407A MX353593B (es) 2009-03-13 2011-09-12 Sistema y método para ajustar dinámicamente el centro de gravedad de un aparato de perforación.

Country Status (6)

Country Link
US (4) US7934558B2 (es)
EP (4) EP2406459B1 (es)
CA (4) CA2759161C (es)
CO (1) CO6450664A2 (es)
MX (4) MX351252B (es)
WO (1) WO2010104634A2 (es)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8365814B2 (en) * 2007-09-20 2013-02-05 Baker Hughes Incorporated Pre-verification of perforation alignment
US8443886B2 (en) 2010-08-12 2013-05-21 CCS Leasing and Rental, LLC Perforating gun with rotatable charge tube
US9689223B2 (en) 2011-04-01 2017-06-27 Halliburton Energy Services, Inc. Selectable, internally oriented and/or integrally transportable explosive assemblies
US10337299B2 (en) * 2012-03-02 2019-07-02 Halliburton Energy Services, Inc. Perforating apparatus and method having internal load path
US20220258103A1 (en) 2013-07-18 2022-08-18 DynaEnergetics Europe GmbH Detonator positioning device
US9702680B2 (en) 2013-07-18 2017-07-11 Dynaenergetics Gmbh & Co. Kg Perforation gun components and system
US9903185B2 (en) * 2014-02-12 2018-02-27 Owen Oil Tools Lp Perforating gun with eccentric rotatable charge tube
US10188990B2 (en) 2014-03-07 2019-01-29 Dynaenergetics Gmbh & Co. Kg Device and method for positioning a detonator within a perforating gun assembly
EP3556992A1 (en) * 2014-05-21 2019-10-23 Hunting Titan, Inc. Shaped charge retainer system
WO2016039888A1 (en) 2014-09-08 2016-03-17 Exxonmobil Upstream Research Company Autonomous wellbore devices with orientation-regulating structures and systems and methods including the same
CN104453799A (zh) * 2014-09-30 2015-03-25 西安物华巨能爆破器材有限责任公司 一种内定向斜井定射角定方位射孔装置
US9115572B1 (en) * 2015-01-16 2015-08-25 Geodynamics, Inc. Externally-orientated internally-corrected perforating gun system and method
CN104989335B (zh) * 2015-06-23 2018-03-23 西安物华巨能爆破器材有限责任公司 一种方位可测量的内定向定方位定射角射孔装置
US10753183B2 (en) 2016-10-13 2020-08-25 Geodynamics, Inc. Refracturing in a multistring casing with constant entrance hole perforating gun system and method
US9725993B1 (en) * 2016-10-13 2017-08-08 Geodynamics, Inc. Constant entrance hole perforating gun system and method
DE112016007344B4 (de) 2016-12-30 2024-09-05 Halliburton Energy Services, Inc. Modulares Ladungshaltersegment
NO343254B1 (en) 2017-07-05 2018-12-27 Tco As Gun for oriented perforation
US11414965B2 (en) 2018-02-27 2022-08-16 Schlumberger Technology Corporation Rotating loading tube and angled shaped charges for oriented perforating
US11053782B2 (en) 2018-04-06 2021-07-06 DynaEnergetics Europe GmbH Perforating gun system and method of use
US11408279B2 (en) 2018-08-21 2022-08-09 DynaEnergetics Europe GmbH System and method for navigating a wellbore and determining location in a wellbore
US12031417B2 (en) 2018-05-31 2024-07-09 DynaEnergetics Europe GmbH Untethered drone string for downhole oil and gas wellbore operations
US11661824B2 (en) 2018-05-31 2023-05-30 DynaEnergetics Europe GmbH Autonomous perforating drone
US11591885B2 (en) 2018-05-31 2023-02-28 DynaEnergetics Europe GmbH Selective untethered drone string for downhole oil and gas wellbore operations
US10794159B2 (en) 2018-05-31 2020-10-06 DynaEnergetics Europe GmbH Bottom-fire perforating drone
WO2019229521A1 (en) 2018-05-31 2019-12-05 Dynaenergetics Gmbh & Co. Kg Systems and methods for marker inclusion in a wellbore
US10458213B1 (en) 2018-07-17 2019-10-29 Dynaenergetics Gmbh & Co. Kg Positioning device for shaped charges in a perforating gun module
US10386168B1 (en) 2018-06-11 2019-08-20 Dynaenergetics Gmbh & Co. Kg Conductive detonating cord for perforating gun
US11339614B2 (en) 2020-03-31 2022-05-24 DynaEnergetics Europe GmbH Alignment sub and orienting sub adapter
US11808093B2 (en) 2018-07-17 2023-11-07 DynaEnergetics Europe GmbH Oriented perforating system
WO2020038848A1 (en) 2018-08-20 2020-02-27 DynaEnergetics Europe GmbH System and method to deploy and control autonomous devices
USD1019709S1 (en) 2019-02-11 2024-03-26 DynaEnergetics Europe GmbH Charge holder
USD1010758S1 (en) 2019-02-11 2024-01-09 DynaEnergetics Europe GmbH Gun body
USD1034879S1 (en) 2019-02-11 2024-07-09 DynaEnergetics Europe GmbH Gun body
US10689955B1 (en) 2019-03-05 2020-06-23 SWM International Inc. Intelligent downhole perforating gun tube and components
US11078762B2 (en) 2019-03-05 2021-08-03 Swm International, Llc Downhole perforating gun tube and components
US11268376B1 (en) 2019-03-27 2022-03-08 Acuity Technical Designs, LLC Downhole safety switch and communication protocol
EP3966427A1 (en) 2019-04-01 2022-03-16 DynaEnergetics Europe GmbH Retrievable perforating gun assembly and components
US11913767B2 (en) 2019-05-09 2024-02-27 XConnect, LLC End plate for a perforating gun assembly
US11255147B2 (en) 2019-05-14 2022-02-22 DynaEnergetics Europe GmbH Single use setting tool for actuating a tool in a wellbore
US11578549B2 (en) 2019-05-14 2023-02-14 DynaEnergetics Europe GmbH Single use setting tool for actuating a tool in a wellbore
US10927627B2 (en) 2019-05-14 2021-02-23 DynaEnergetics Europe GmbH Single use setting tool for actuating a tool in a wellbore
CN113994070A (zh) 2019-05-16 2022-01-28 斯伦贝谢技术有限公司 模块化射孔工具
US20220268135A1 (en) * 2019-06-14 2022-08-25 DynaEnergetics Europe GmbH Perforating gun assembly with rotating shaped charge holder
US11834920B2 (en) 2019-07-19 2023-12-05 DynaEnergetics Europe GmbH Ballistically actuated wellbore tool
CZ2022303A3 (cs) 2019-12-10 2022-08-24 DynaEnergetics Europe GmbH Hlava rozněcovadla
US11480038B2 (en) 2019-12-17 2022-10-25 DynaEnergetics Europe GmbH Modular perforating gun system
WO2021185749A1 (en) 2020-03-16 2021-09-23 DynaEnergetics Europe GmbH Tandem seal adapter with integrated tracer material
USD1041608S1 (en) 2020-03-20 2024-09-10 DynaEnergetics Europe GmbH Outer connector
USD981345S1 (en) 2020-11-12 2023-03-21 DynaEnergetics Europe GmbH Shaped charge casing
US11988049B2 (en) 2020-03-31 2024-05-21 DynaEnergetics Europe GmbH Alignment sub and perforating gun assembly with alignment sub
US11619119B1 (en) 2020-04-10 2023-04-04 Integrated Solutions, Inc. Downhole gun tube extension
USD904475S1 (en) 2020-04-29 2020-12-08 DynaEnergetics Europe GmbH Tandem sub
USD908754S1 (en) 2020-04-30 2021-01-26 DynaEnergetics Europe GmbH Tandem sub
USD1016958S1 (en) 2020-09-11 2024-03-05 Schlumberger Technology Corporation Shaped charge frame
US11293271B1 (en) 2020-10-28 2022-04-05 Halliburton Energy Services, Inc. Low-profile adjustable fastener for charge orientation of a downhole perforating tool
CN116472395A (zh) 2020-11-13 2023-07-21 斯伦贝谢技术有限公司 定向射孔工具
US11512565B2 (en) * 2020-12-01 2022-11-29 Halliburton Energy Services, Inc. Plastic weight assembly for downhole perforating gun
WO2022122742A2 (en) * 2020-12-09 2022-06-16 DynaEnergetics Europe GmbH Equal entry hole perforating gun system with position optimized shaped charges
US11391127B1 (en) * 2020-12-31 2022-07-19 Halliburton Energy Services, Inc. Adjustable perforating gun orientation system
CA3206497A1 (en) 2021-02-04 2022-08-11 Christian EITSCHBERGER Perforating gun assembly with performance optimized shaped charge load
US11499401B2 (en) 2021-02-04 2022-11-15 DynaEnergetics Europe GmbH Perforating gun assembly with performance optimized shaped charge load
WO2022184654A1 (en) * 2021-03-03 2022-09-09 DynaEnergetics Europe GmbH Modular perforating gun system
US11732556B2 (en) 2021-03-03 2023-08-22 DynaEnergetics Europe GmbH Orienting perforation gun assembly
WO2022184732A1 (en) 2021-03-03 2022-09-09 DynaEnergetics Europe GmbH Bulkhead and tandem seal adapter
US11713625B2 (en) 2021-03-03 2023-08-01 DynaEnergetics Europe GmbH Bulkhead
US11655692B2 (en) 2021-06-18 2023-05-23 Halliburton Energy Services, Inc. Shaped charge orientation
US12000267B2 (en) 2021-09-24 2024-06-04 DynaEnergetics Europe GmbH Communication and location system for an autonomous frack system
US11753889B1 (en) 2022-07-13 2023-09-12 DynaEnergetics Europe GmbH Gas driven wireline release tool

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194577A (en) * 1977-10-17 1980-03-25 Peabody Vann Method and apparatus for completing a slanted wellbore
US4269278A (en) * 1977-10-17 1981-05-26 Peabody Vann Method and apparatus for completing a slanted wellbore
US4410051A (en) * 1981-02-27 1983-10-18 Dresser Industries, Inc. System and apparatus for orienting a well casing perforating gun
FR2508538A1 (fr) * 1981-06-30 1982-12-31 Schlumberger Prospection Dispositif de perforation pour sondage
US4438810A (en) * 1981-10-26 1984-03-27 Dresser Industries, Inc. Apparatus for decentralizing and orienting a well logging or perforating instrument
GB2128719B (en) * 1982-10-20 1986-11-26 Vann Inc Geo Gravity oriented perforating gun for use in slanted boreholes
US4523649A (en) * 1983-05-25 1985-06-18 Baker Oil Tools, Inc. Rotational alignment method and apparatus for tubing conveyed perforating guns
US4693314A (en) * 1986-02-18 1987-09-15 Halliburton Company Low actuation pressure bar vent
US4844161A (en) * 1988-08-18 1989-07-04 Halliburton Logging Services, Inc. Locking orientation sub and alignment housing for drill pipe conveyed logging system
US5010964A (en) * 1990-04-06 1991-04-30 Atlantic Richfield Company Method and apparatus for orienting wellbore perforations
US5211714A (en) * 1990-04-12 1993-05-18 Halliburton Logging Services, Inc. Wireline supported perforating gun enabling oriented perforations
US5040619A (en) * 1990-04-12 1991-08-20 Halliburton Logging Services, Inc. Wireline supported perforating gun enabling oriented perforations
US5223665A (en) * 1992-01-21 1993-06-29 Halliburton Company Method and apparatus for disabling detonation system for a downhole explosive assembly
US5287924A (en) * 1992-08-28 1994-02-22 Halliburton Company Tubing conveyed selective fired perforating systems
US5355957A (en) * 1992-08-28 1994-10-18 Halliburton Company Combined pressure testing and selective fired perforating systems
DE69531920T2 (de) * 1994-08-31 2004-08-19 Halliburton Energy Services, Inc., Dallas Vorrichtung zum Verbinden von Perforatoren im Bohrloch
US5529127A (en) * 1995-01-20 1996-06-25 Halliburton Company Apparatus and method for snubbing tubing-conveyed perforating guns in and out of a well bore
US5598894A (en) * 1995-07-05 1997-02-04 Halliburton Company Select fire multiple drill string tester
US5823266A (en) * 1996-08-16 1998-10-20 Halliburton Energy Services, Inc. Latch and release tool connector and method
US6593290B1 (en) 1996-11-01 2003-07-15 Genentech, Inc. Treatment of inner ear hair cells
US5964294A (en) * 1996-12-04 1999-10-12 Schlumberger Technology Corporation Apparatus and method for orienting a downhole tool in a horizontal or deviated well
US6012525A (en) * 1997-11-26 2000-01-11 Halliburton Energy Services, Inc. Single-trip perforating gun assembly and method
US6006833A (en) * 1998-01-20 1999-12-28 Halliburton Energy Services, Inc. Method for creating leak-tested perforating gun assemblies
US5992289A (en) * 1998-02-17 1999-11-30 Halliburton Energy Services, Inc. Firing head with metered delay
US6173773B1 (en) * 1999-04-15 2001-01-16 Schlumberger Technology Corporation Orienting downhole tools
US6591911B1 (en) * 1999-07-22 2003-07-15 Schlumberger Technology Corporation Multi-directional gun carrier method and apparatus
US6598682B2 (en) * 2000-03-02 2003-07-29 Schlumberger Technology Corp. Reservoir communication with a wellbore
US6536531B2 (en) * 2000-07-10 2003-03-25 Weatherford/Lamb, Inc. Apparatus and methods for orientation of a tubular string in a non-vertical wellbore
GB2374887B (en) * 2001-04-27 2003-12-17 Schlumberger Holdings Method and apparatus for orienting perforating devices
US7114564B2 (en) * 2001-04-27 2006-10-03 Schlumberger Technology Corporation Method and apparatus for orienting perforating devices
US6595290B2 (en) * 2001-11-28 2003-07-22 Halliburton Energy Services, Inc. Internally oriented perforating apparatus
US6820693B2 (en) * 2001-11-28 2004-11-23 Halliburton Energy Services, Inc. Electromagnetic telemetry actuated firing system for well perforating gun
US6679327B2 (en) * 2001-11-30 2004-01-20 Baker Hughes, Inc. Internal oriented perforating system and method
GB2389379B (en) * 2002-04-02 2004-12-15 Schlumberger Holdings Method and apparatus for perforating a well
US6942033B2 (en) * 2002-12-19 2005-09-13 Schlumberger Technology Corporation Optimizing charge phasing of a perforating gun
US7147060B2 (en) * 2003-05-19 2006-12-12 Schlumberger Technology Corporation Method, system and apparatus for orienting casing and liners
US7195066B2 (en) * 2003-10-29 2007-03-27 Sukup Richard A Engineered solution for controlled buoyancy perforating
US7237487B2 (en) * 2004-04-08 2007-07-03 Baker Hughes Incorporated Low debris perforating gun system for oriented perforating
US7409999B2 (en) * 2004-07-30 2008-08-12 Baker Hughes Incorporated Downhole inflow control device with shut-off feature
US7430965B2 (en) * 2004-10-08 2008-10-07 Halliburton Energy Services, Inc. Debris retention perforating apparatus and method for use of same
US20060118303A1 (en) * 2004-12-06 2006-06-08 Halliburton Energy Services, Inc. Well perforating for increased production
US7270178B2 (en) * 2005-09-07 2007-09-18 Baker Hughes Incroporated Horizontally oriented gas separator
US7387156B2 (en) * 2005-11-14 2008-06-17 Halliburton Energy Services, Inc. Perforating safety system
US7497259B2 (en) * 2006-02-01 2009-03-03 Schlumberger Technology Corporation System and method for forming cavities in a well
US7409993B2 (en) * 2006-08-29 2008-08-12 Schlumberger Technology Corporation Weight spacer apparatus
US8186259B2 (en) * 2007-12-17 2012-05-29 Halliburton Energy Sevices, Inc. Perforating gun gravitational orientation system

Also Published As

Publication number Publication date
CA2752959C (en) 2014-04-08
EP2410124A2 (en) 2012-01-25
EP2410124A3 (en) 2012-05-30
US20110094744A1 (en) 2011-04-28
US20110094743A1 (en) 2011-04-28
WO2010104634A2 (en) 2010-09-16
EP2406459B1 (en) 2013-08-21
EP2410122B1 (en) 2013-06-05
US20110100627A1 (en) 2011-05-05
EP2410123A2 (en) 2012-01-25
US8061425B2 (en) 2011-11-22
CA2759304C (en) 2014-04-08
US20100230163A1 (en) 2010-09-16
MX353593B (es) 2018-01-19
EP2410123A3 (en) 2012-05-30
EP2410124B1 (en) 2013-06-05
CA2759161A1 (en) 2010-09-16
US8002035B2 (en) 2011-08-23
CO6450664A2 (es) 2012-05-31
US7934558B2 (en) 2011-05-03
EP2410122A2 (en) 2012-01-25
CA2759159C (en) 2014-05-13
US8066083B2 (en) 2011-11-29
MX2011009545A (es) 2011-10-12
EP2410122A3 (en) 2012-05-30
CA2752959A1 (en) 2010-09-16
EP2406459A2 (en) 2012-01-18
WO2010104634A3 (en) 2010-11-11
MX351252B (es) 2017-10-06
CA2759161C (en) 2014-04-08
CA2759159A1 (en) 2010-09-16
CA2759304A1 (en) 2010-09-16
EP2410123B1 (en) 2013-04-17

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