GB2432381B - Perforating wellbores - Google Patents
Perforating wellboresInfo
- 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
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)
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)
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)
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)
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 |
-
2005
- 2005-07-19 GB GB0623453A patent/GB2432382B/en not_active Expired - Fee Related
- 2005-07-19 GB GB0623451A patent/GB2432381B/en not_active Expired - Fee Related
Patent Citations (8)
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 |