GB2432381B - Perforating wellbores - Google Patents

Perforating wellbores

Info

Publication number
GB2432381B
GB2432381B GB0623451A GB0623451A GB2432381B GB 2432381 B GB2432381 B GB 2432381B GB 0623451 A GB0623451 A GB 0623451A GB 0623451 A GB0623451 A GB 0623451A GB 2432381 B GB2432381 B GB 2432381B
Authority
GB
United Kingdom
Prior art keywords
perforating wellbores
wellbores
perforating
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.)
Expired - Fee Related
Application number
GB0623451A
Other versions
GB0623451D0 (en
GB2432381A (en
Inventor
Wanchai Ratanasirigulchai
Lawrence A Behrmann
Andrew J Martin
Kenneth R Goodman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
Original Assignee
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
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
Priority claimed from US10/710,564 external-priority patent/US7284612B2/en
Application filed by Gemalto Terminals Ltd, Schlumberger Holdings Ltd filed Critical Gemalto Terminals Ltd
Publication of GB0623451D0 publication Critical patent/GB0623451D0/en
Publication of GB2432381A publication Critical patent/GB2432381A/en
Application granted granted Critical
Publication of GB2432381B publication Critical patent/GB2432381B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • E21B43/116—Gun or shaped-charge perforators
    • E21B43/117—Shaped-charge perforators
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation pressure
    • 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
    • E21B43/116—Gun or shaped-charge perforators

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
GB0623451A 2004-07-21 2005-07-19 Perforating wellbores Expired - Fee Related GB2432381B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/710,564 US7284612B2 (en) 2000-03-02 2004-07-21 Controlling transient pressure conditions in a wellbore
GB0514720A GB2416358B (en) 2004-07-21 2005-07-19 Controlling transient pressure conditions in a wellbore

Publications (3)

Publication Number Publication Date
GB0623451D0 GB0623451D0 (en) 2007-01-03
GB2432381A GB2432381A (en) 2007-05-23
GB2432381B true GB2432381B (en) 2007-11-21

Family

ID=38007324

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0623453A Expired - Fee Related GB2432382B (en) 2004-07-21 2005-07-19 Perforating wellbores
GB0623451A Expired - Fee Related GB2432381B (en) 2004-07-21 2005-07-19 Perforating wellbores

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0623453A Expired - Fee Related GB2432382B (en) 2004-07-21 2005-07-19 Perforating wellbores

Country Status (1)

Country Link
GB (2) GB2432382B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8056632B2 (en) 2007-12-21 2011-11-15 Schlumberger Technology Corporation Downhole initiator for an explosive end device
US9689246B2 (en) 2014-03-27 2017-06-27 Orbital Atk, Inc. Stimulation devices, initiation systems for stimulation devices and related methods

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB617817A (en) * 1944-10-13 1949-02-11 Byron Jackson Co Improvements in or relating to gun perforators particularly for perforating well casings
US3528511A (en) * 1969-01-23 1970-09-15 Western Co Of North American I Apparatus for sealing chambers in a perforating tool
US4391337A (en) * 1981-03-27 1983-07-05 Ford Franklin C High-velocity jet and propellant fracture device for gas and oil well production
US5295545A (en) * 1992-04-14 1994-03-22 University Of Colorado Foundation Inc. Method of fracturing wells using propellants
US5355802A (en) * 1992-11-10 1994-10-18 Schlumberger Technology Corporation Method and apparatus for perforating and fracturing in a borehole
US6098707A (en) * 1998-04-24 2000-08-08 The Ensign-Bickford Company Perforation gun for well casing
GB2379687A (en) * 2000-06-19 2003-03-19 Schlumberger Technology Corp Method and apparatus of protecting explosives
GB2396175A (en) * 2002-12-11 2004-06-16 Schlumberger Holdings Controlling transient underbalance in a wellbore

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6158511A (en) * 1996-09-09 2000-12-12 Marathon Oil Company Apparatus and method for perforating and stimulating a subterranean formation
US6082450A (en) * 1996-09-09 2000-07-04 Marathon Oil Company Apparatus and method for stimulating a subterranean formation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB617817A (en) * 1944-10-13 1949-02-11 Byron Jackson Co Improvements in or relating to gun perforators particularly for perforating well casings
US3528511A (en) * 1969-01-23 1970-09-15 Western Co Of North American I Apparatus for sealing chambers in a perforating tool
US4391337A (en) * 1981-03-27 1983-07-05 Ford Franklin C High-velocity jet and propellant fracture device for gas and oil well production
US5295545A (en) * 1992-04-14 1994-03-22 University Of Colorado Foundation Inc. Method of fracturing wells using propellants
US5355802A (en) * 1992-11-10 1994-10-18 Schlumberger Technology Corporation Method and apparatus for perforating and fracturing in a borehole
US6098707A (en) * 1998-04-24 2000-08-08 The Ensign-Bickford Company Perforation gun for well casing
GB2379687A (en) * 2000-06-19 2003-03-19 Schlumberger Technology Corp Method and apparatus of protecting explosives
GB2396175A (en) * 2002-12-11 2004-06-16 Schlumberger Holdings Controlling transient underbalance in a wellbore

Also Published As

Publication number Publication date
GB0623451D0 (en) 2007-01-03
GB2432382A (en) 2007-05-23
GB0623453D0 (en) 2007-01-03
GB2432382B (en) 2007-11-21
GB2432381A (en) 2007-05-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170719