NO904797D0 - Roerkrave. - Google Patents
Roerkrave.Info
- Publication number
- NO904797D0 NO904797D0 NO1990904797A NO904797A NO904797D0 NO 904797 D0 NO904797 D0 NO 904797D0 NO 1990904797 A NO1990904797 A NO 1990904797A NO 904797 A NO904797 A NO 904797A NO 904797 D0 NO904797 D0 NO 904797D0
- Authority
- NO
- Norway
- Prior art keywords
- roer
- collar
- roer collar
- Prior art date
Links
Classifications
-
- 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
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
-
- 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
-
- 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
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Resistance Heating (AREA)
- Gasket Seals (AREA)
- Earth Drilling (AREA)
- Paper (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/190,780 US4861074A (en) | 1988-05-06 | 1988-05-06 | Tubing collar |
PCT/US1989/001863 WO1989011056A1 (en) | 1988-05-06 | 1989-05-02 | Tubing collar |
Publications (4)
Publication Number | Publication Date |
---|---|
NO904797L NO904797L (no) | 1990-11-05 |
NO904797D0 true NO904797D0 (no) | 1990-11-05 |
NO180127B NO180127B (no) | 1996-11-11 |
NO180127C NO180127C (no) | 1997-02-19 |
Family
ID=22702744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO904797A NO180127C (no) | 1988-05-06 | 1990-11-05 | Rörkrave |
Country Status (8)
Country | Link |
---|---|
US (1) | US4861074A (no) |
EP (1) | EP0413753B1 (no) |
JP (1) | JP2650768B2 (no) |
AU (1) | AU619843B2 (no) |
CA (1) | CA1301057C (no) |
NO (1) | NO180127C (no) |
RU (1) | RU2070679C1 (no) |
WO (1) | WO1989011056A1 (no) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7252160B2 (en) * | 1995-06-12 | 2007-08-07 | Weatherford/Lamb, Inc. | Electromagnetic gap sub assembly |
CA2151525C (en) | 1995-06-12 | 2002-12-31 | Marvin L. Holbert | Subsurface signal transmitting apparatus |
US6142707A (en) * | 1996-03-26 | 2000-11-07 | Shell Oil Company | Direct electric pipeline heating |
US6264401B1 (en) | 1995-12-29 | 2001-07-24 | Shell Oil Company | Method for enhancing the flow of heavy crudes through subsea pipelines |
US6171025B1 (en) | 1995-12-29 | 2001-01-09 | Shell Oil Company | Method for pipeline leak detection |
US6315497B1 (en) | 1995-12-29 | 2001-11-13 | Shell Oil Company | Joint for applying current across a pipe-in-pipe system |
US6179523B1 (en) | 1995-12-29 | 2001-01-30 | Shell Oil Company | Method for pipeline installation |
GB9909621D0 (en) * | 1999-04-27 | 1999-06-23 | Well Intelligence Technologies | Telemetry system |
GB0116120D0 (en) * | 2001-06-30 | 2001-08-22 | Maxwell Downhole Technology Lt | Insulating device and assembly |
US6814146B2 (en) * | 2001-07-20 | 2004-11-09 | Shell Oil Company | Annulus for electrically heated pipe-in-pipe subsea pipeline |
US6714018B2 (en) | 2001-07-20 | 2004-03-30 | Shell Oil Company | Method of commissioning and operating an electrically heated pipe-in-pipe subsea pipeline |
US6739803B2 (en) | 2001-07-20 | 2004-05-25 | Shell Oil Company | Method of installation of electrically heated pipe-in-pipe subsea pipeline |
US6686745B2 (en) | 2001-07-20 | 2004-02-03 | Shell Oil Company | Apparatus and method for electrical testing of electrically heated pipe-in-pipe pipeline |
US6688900B2 (en) | 2002-06-25 | 2004-02-10 | Shell Oil Company | Insulating joint for electrically heated pipeline |
US6937030B2 (en) * | 2002-11-08 | 2005-08-30 | Shell Oil Company | Testing electrical integrity of electrically heated subsea pipelines |
US7032930B2 (en) * | 2003-02-28 | 2006-04-25 | Ryan Energy Technologies | Electrical isolation connector subassembly for use in directional drilling |
CA2509819C (en) * | 2004-06-14 | 2009-08-11 | Weatherford/Lamb, Inc. | Methods and apparatus for reducing electromagnetic signal noise |
EP2572133B1 (en) | 2010-05-17 | 2014-07-16 | Parker Hannifin GmbH | Dielectric fitting assembly |
CA2832828A1 (en) * | 2012-11-12 | 2014-05-12 | Multi-Shot Llc | Electrical isolation connection for electromagnetic gap sub |
WO2018112667A1 (en) * | 2016-12-23 | 2018-06-28 | Evolution Engineering Inc. | Sealed gap sub |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1231202A (en) * | 1914-09-09 | 1917-06-26 | Frank D Saylor | Insulating-joint. |
US3944262A (en) * | 1974-09-12 | 1976-03-16 | Continental Industries, Inc. | Insulated meter riser |
US4011652A (en) * | 1976-04-29 | 1977-03-15 | Psi Products, Inc. | Method for making a pipe coupling |
US4496174A (en) * | 1981-01-30 | 1985-01-29 | Tele-Drill, Inc. | Insulated drill collar gap sub assembly for a toroidal coupled telemetry system |
-
1988
- 1988-05-06 US US07/190,780 patent/US4861074A/en not_active Expired - Fee Related
-
1989
- 1989-05-02 JP JP1505950A patent/JP2650768B2/ja not_active Expired - Lifetime
- 1989-05-02 AU AU35752/89A patent/AU619843B2/en not_active Ceased
- 1989-05-02 RU SU894831518A patent/RU2070679C1/ru active
- 1989-05-02 WO PCT/US1989/001863 patent/WO1989011056A1/en active IP Right Grant
- 1989-05-02 EP EP89906003A patent/EP0413753B1/en not_active Expired - Lifetime
- 1989-05-03 CA CA000598568A patent/CA1301057C/en not_active Expired - Fee Related
-
1990
- 1990-11-05 NO NO904797A patent/NO180127C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0413753A1 (en) | 1991-02-27 |
NO904797L (no) | 1990-11-05 |
EP0413753B1 (en) | 1992-09-09 |
JPH03505479A (ja) | 1991-11-28 |
RU2070679C1 (ru) | 1996-12-20 |
NO180127C (no) | 1997-02-19 |
JP2650768B2 (ja) | 1997-09-03 |
NO180127B (no) | 1996-11-11 |
AU619843B2 (en) | 1992-02-06 |
EP0413753A4 (en) | 1991-07-24 |
CA1301057C (en) | 1992-05-19 |
US4861074A (en) | 1989-08-29 |
AU3575289A (en) | 1989-11-29 |
WO1989011056A1 (en) | 1989-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN NOVEMBER 2000 |