GB2404401B - Electromagnetic gap sub assembly - Google Patents
Electromagnetic gap sub assemblyInfo
- Publication number
- GB2404401B GB2404401B GB0417072A GB0417072A GB2404401B GB 2404401 B GB2404401 B GB 2404401B GB 0417072 A GB0417072 A GB 0417072A GB 0417072 A GB0417072 A GB 0417072A GB 2404401 B GB2404401 B GB 2404401B
- Authority
- GB
- United Kingdom
- Prior art keywords
- sub assembly
- gap sub
- electromagnetic gap
- electromagnetic
- assembly
- 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
- E21B47/00—Survey of boreholes or wells
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
-
- E21B47/122—
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/02—Electrically insulating joints or couplings
- F16L25/021—Electrically insulating joints or couplings for screw-threaded joints
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Earth Drilling (AREA)
- Gasket Seals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49156903P | 2003-07-31 | 2003-07-31 | |
US10/744,683 US7093680B2 (en) | 1995-06-12 | 2003-12-23 | Subsurface signal transmitting apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0417072D0 GB0417072D0 (en) | 2004-09-01 |
GB2404401A GB2404401A (en) | 2005-02-02 |
GB2404401B true GB2404401B (en) | 2006-12-06 |
Family
ID=32965826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0417072A Expired - Fee Related GB2404401B (en) | 2003-07-31 | 2004-07-30 | Electromagnetic gap sub assembly |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA2476370C (en) |
GB (1) | GB2404401B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2544457C (en) | 2006-04-21 | 2009-07-07 | Mostar Directional Technologies Inc. | System and method for downhole telemetry |
BRPI0621801A2 (en) * | 2006-06-22 | 2011-12-20 | Airbus Espa A S L | current isolation system for fluid systems |
EP1913230B1 (en) | 2006-07-06 | 2011-04-27 | Halliburton Energy Services, Inc. | Tubular member connection |
ATE513231T1 (en) | 2007-01-26 | 2011-07-15 | Prad Res & Dev Nv | BOREHOLE TELEMETRY SYSTEM |
WO2014085936A1 (en) * | 2012-12-07 | 2014-06-12 | Evolution Engineering Inc. | Method and apparatus for multi-channel downhole electromagnetic telemetry |
EP2959105A1 (en) * | 2013-02-21 | 2015-12-30 | Evolution Engineering Inc. | Electromagnetic pulse downhole telemetry |
CA2900100C (en) * | 2013-03-01 | 2020-05-05 | Aaron W. LOGAN | Pinned electromagnetic telemetry gap sub assembly |
AU2014284040B2 (en) | 2013-06-21 | 2017-09-14 | Evolution Engineering Inc. | Methods and apparatus for generating electromagnetic telemetry signals |
WO2015168803A1 (en) * | 2014-05-08 | 2015-11-12 | Evolution Engineering Inc. | Gap assembly for em data telemetry |
CA2946447C (en) | 2014-05-08 | 2021-12-07 | Evolution Engineering Inc. | Drill string sections with interchangeable couplings |
WO2015168805A1 (en) | 2014-05-08 | 2015-11-12 | Evolution Engineering Inc. | Jig for coupling or uncoupling drill string sections with detachable couplings and related methods |
US10352151B2 (en) | 2014-05-09 | 2019-07-16 | Evolution Engineering Inc. | Downhole electronics carrier |
US9803473B2 (en) | 2015-10-23 | 2017-10-31 | Schlumberger Technology Corporation | Downhole electromagnetic telemetry receiver |
CN105927150A (en) * | 2016-04-11 | 2016-09-07 | 白伟华 | Measurement-while-drilling electric drill device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2618912A1 (en) * | 1987-07-30 | 1989-02-03 | Alsthom | Drilling system with electromagnetic transmission of information from the bottom, and insulating connector for this system |
US6050353A (en) * | 1998-03-16 | 2000-04-18 | Ryan Energy Technologies, Inc. | Subassembly electrical isolation connector for drill rod |
US6439324B1 (en) * | 1998-03-05 | 2002-08-27 | Halliburton Energy Services, Inc. | Electrically insulating gap subassembly for downhole electromagnetic transmission |
US20020189803A1 (en) * | 1995-06-12 | 2002-12-19 | Weatherford/Lamb, Inc. | Subsurface signal transmitting apparatus |
-
2004
- 2004-07-30 GB GB0417072A patent/GB2404401B/en not_active Expired - Fee Related
- 2004-07-30 CA CA002476370A patent/CA2476370C/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2618912A1 (en) * | 1987-07-30 | 1989-02-03 | Alsthom | Drilling system with electromagnetic transmission of information from the bottom, and insulating connector for this system |
US20020189803A1 (en) * | 1995-06-12 | 2002-12-19 | Weatherford/Lamb, Inc. | Subsurface signal transmitting apparatus |
US6439324B1 (en) * | 1998-03-05 | 2002-08-27 | Halliburton Energy Services, Inc. | Electrically insulating gap subassembly for downhole electromagnetic transmission |
US6050353A (en) * | 1998-03-16 | 2000-04-18 | Ryan Energy Technologies, Inc. | Subassembly electrical isolation connector for drill rod |
Also Published As
Publication number | Publication date |
---|---|
CA2476370C (en) | 2009-06-09 |
GB0417072D0 (en) | 2004-09-01 |
CA2476370A1 (en) | 2005-01-31 |
GB2404401A (en) | 2005-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20151029 AND 20151104 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20190730 |