NO20031732L - Fremgangsmåte og apparat for detektering av jernendringer i rör i et borehull - Google Patents
Fremgangsmåte og apparat for detektering av jernendringer i rör i et borehullInfo
- Publication number
- NO20031732L NO20031732L NO20031732A NO20031732A NO20031732L NO 20031732 L NO20031732 L NO 20031732L NO 20031732 A NO20031732 A NO 20031732A NO 20031732 A NO20031732 A NO 20031732A NO 20031732 L NO20031732 L NO 20031732L
- Authority
- NO
- Norway
- Prior art keywords
- borehole
- pipes
- detecting iron
- iron changes
- changes
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 2
- 229910052742 iron Inorganic materials 0.000 title 1
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
-
- 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
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
- E21B47/092—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting magnetic anomalies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/125,005 US6720764B2 (en) | 2002-04-16 | 2002-04-16 | Magnetic sensor system useful for detecting tool joints in a downhold tubing string |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20031732D0 NO20031732D0 (no) | 2003-04-15 |
| NO20031732L true NO20031732L (no) | 2003-10-17 |
| NO334363B1 NO334363B1 (no) | 2014-02-17 |
Family
ID=22417797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20031732A NO334363B1 (no) | 2002-04-16 | 2003-04-15 | Fremgangsmåte og apparat for identifisering av magnetfeltendringer forårsaket av jernendringer i rør i et borehull |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6720764B2 (no) |
| CA (1) | CA2425565C (no) |
| GB (1) | GB2390906B (no) |
| NO (1) | NO334363B1 (no) |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2371509B (en) * | 2001-01-24 | 2004-01-28 | Weatherford Lamb | Joint detection system |
| US7836946B2 (en) | 2002-10-31 | 2010-11-23 | Weatherford/Lamb, Inc. | Rotating control head radial seal protection and leak detection systems |
| US7221155B2 (en) * | 2003-01-21 | 2007-05-22 | Key Energy Services, Inc. | Inventory counter for oil and gas wells |
| US20040174163A1 (en) * | 2003-03-06 | 2004-09-09 | Rogers Tommie L. | Apparatus and method for determining the position of the end of a threaded connection, and for positioning a power tong relative thereto |
| US7528736B2 (en) * | 2003-05-06 | 2009-05-05 | Intelliserv International Holding | Loaded transducer for downhole drilling components |
| US9784041B2 (en) * | 2004-04-15 | 2017-10-10 | National Oilwell Varco L.P. | Drilling rig riser identification apparatus |
| NO330526B1 (no) * | 2004-10-13 | 2011-05-09 | Trac Id Systems As | Anordning ved elektronisk merke og samvirkende antenne |
| US7926593B2 (en) * | 2004-11-23 | 2011-04-19 | Weatherford/Lamb, Inc. | Rotating control device docking station |
| US8826988B2 (en) | 2004-11-23 | 2014-09-09 | Weatherford/Lamb, Inc. | Latch position indicator system and method |
| US8826972B2 (en) * | 2005-07-28 | 2014-09-09 | Intelliserv, Llc | Platform for electrically coupling a component to a downhole transmission line |
| US20070023185A1 (en) * | 2005-07-28 | 2007-02-01 | Hall David R | Downhole Tool with Integrated Circuit |
| US7347261B2 (en) * | 2005-09-08 | 2008-03-25 | Schlumberger Technology Corporation | Magnetic locator systems and methods of use at a well site |
| NO20055576A (no) * | 2005-11-25 | 2007-01-08 | V Tech As | Fremgangsmåte og anordning for å posisjonere en krafttang ved en rørskjøt |
| SE530319C2 (sv) * | 2005-12-02 | 2008-04-29 | Volvo Lastvagnar Ab | Magnetdetektorarrangemang, hydraulcylinder och fordon med sådant arrangemang |
| US20070145129A1 (en) * | 2005-12-27 | 2007-06-28 | Perkin Gregg S | System and method for identifying equipment |
| US8074537B2 (en) | 2006-09-08 | 2011-12-13 | Canrig Drilling Technology Ltd. | Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings |
| WO2008040312A1 (de) * | 2006-09-28 | 2008-04-10 | Prüftechnik Dieter Busch AG | Magnetische streufluss-testvorrichtung für rohrförmige prüflinge |
| AU2015202203B2 (en) * | 2007-04-03 | 2018-02-15 | Weatherford Technology Holdings, Llc | Rotating control device docking station |
| US7997345B2 (en) | 2007-10-19 | 2011-08-16 | Weatherford/Lamb, Inc. | Universal marine diverter converter |
| US8286734B2 (en) | 2007-10-23 | 2012-10-16 | Weatherford/Lamb, Inc. | Low profile rotating control device |
| US8844652B2 (en) | 2007-10-23 | 2014-09-30 | Weatherford/Lamb, Inc. | Interlocking low profile rotating control device |
| US20100012317A1 (en) * | 2008-07-21 | 2010-01-21 | Smith International, Inc. | Rcd hydraulic stripping adapter |
| US8322432B2 (en) | 2009-01-15 | 2012-12-04 | Weatherford/Lamb, Inc. | Subsea internal riser rotating control device system and method |
| US9359853B2 (en) | 2009-01-15 | 2016-06-07 | Weatherford Technology Holdings, Llc | Acoustically controlled subsea latching and sealing system and method for an oilfield device |
| US8347983B2 (en) | 2009-07-31 | 2013-01-08 | Weatherford/Lamb, Inc. | Drilling with a high pressure rotating control device |
| US8887799B2 (en) * | 2010-03-03 | 2014-11-18 | Blackhawk Specialty Tools, Llc | Tattle-tale apparatus |
| AU2015249215B2 (en) * | 2010-03-03 | 2017-10-26 | Frank's International, Llc | Tattle-tale apparatus |
| US8347982B2 (en) | 2010-04-16 | 2013-01-08 | Weatherford/Lamb, Inc. | System and method for managing heave pressure from a floating rig |
| US9175542B2 (en) | 2010-06-28 | 2015-11-03 | Weatherford/Lamb, Inc. | Lubricating seal for use with a tubular |
| US9097813B2 (en) | 2012-08-23 | 2015-08-04 | Intelligent Spools Inc. | Apparatus and method for sensing a pipe coupler within an oil well structure |
| US9406009B2 (en) | 2012-12-14 | 2016-08-02 | International Business Machines Corporation | Method and apparatus to tag metal |
| CN103063737B (zh) * | 2012-12-28 | 2015-08-19 | 中国石油集团川庆钻探工程有限公司 | 连续油管磁法检测方法 |
| AU2013379804A1 (en) * | 2013-02-27 | 2015-07-30 | Halliburton Energy Services, Inc. | Apparatus and methods for monitoring the retrieval of a well tool |
| US9284817B2 (en) * | 2013-03-14 | 2016-03-15 | Halliburton Energy Services, Inc. | Dual magnetic sensor actuation assembly |
| US10444188B2 (en) | 2013-10-01 | 2019-10-15 | Schlumberger Technology Corporation | Monitoring pipe conditions |
| US9416649B2 (en) * | 2014-01-17 | 2016-08-16 | General Electric Company | Method and system for determination of pipe location in blowout preventers |
| GB201405203D0 (en) * | 2014-03-24 | 2014-05-07 | Geoprober Drilling Ltd | Detecting apparatus |
| US20160138385A1 (en) * | 2014-11-18 | 2016-05-19 | Baker Hughes Incorporated | Subsurface Pipe Dimension and Position Indicating Device |
| US10087745B2 (en) | 2015-04-27 | 2018-10-02 | Cameron International Corporation | Bore object characterization system for well assemblies |
| US20170081954A1 (en) * | 2015-09-23 | 2017-03-23 | Tesco Corporation | Pipe joint location detection system and method |
| WO2017065805A1 (en) | 2015-10-16 | 2017-04-20 | Halliburton Energy Services, Inc. | Measuring lengths of resizable elements downhole |
| MX2018014757A (es) * | 2016-05-31 | 2019-04-29 | Intelligent Wellhead Systems Inc | Aparato y metodo para medir un tubo dentro de una estructura de pozo petrolero. |
| US10240409B2 (en) * | 2016-07-15 | 2019-03-26 | Rogers Oil Tools, Llc | Power tong positioner |
| US10100633B2 (en) * | 2016-08-23 | 2018-10-16 | Schlumberger Technology Corporation | Magnetic detection of drill pipe connections |
| US20180252092A1 (en) * | 2017-03-03 | 2018-09-06 | General Electric Company | Sensor system for blowout preventer and method of use |
| US20200257014A1 (en) * | 2017-06-29 | 2020-08-13 | Hailiburton Energy Services, Inc. | Using Magnetism To Evaluate Tubing String Integrity In A Wellbore With Multiple Tubing Strings |
| CN113153276B (zh) * | 2021-05-20 | 2023-11-21 | 烟台杰瑞石油装备技术有限公司 | 铁磁性物体检测装置和检测油管接箍的方法 |
| CN113153275A (zh) * | 2021-05-27 | 2021-07-23 | 山东三田临朐石油机械有限公司 | 液控式油管接箍探测装置及其油管接箍探测方法 |
| CN114109369B (zh) * | 2022-01-24 | 2022-04-15 | 西南石油大学 | 一种石油钻杆接箍检测系统 |
| US12210131B2 (en) * | 2023-05-19 | 2025-01-28 | Fmc Technologies, Inc. | Seal pocket detection assembly |
| CN117366388B (zh) * | 2023-12-08 | 2024-02-27 | 四川德源管道科技股份有限公司 | 一种泡沫球管道内检测器 |
Family Cites Families (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3114876A (en) | 1959-04-06 | 1963-12-17 | Schlumberger Well Surv Corp | Magnetic anomaly detection apparatus with permanent magnet means |
| US3056920A (en) | 1959-07-15 | 1962-10-02 | Schlumberger Well Surv Corp | Systems for inspecting material |
| US3103976A (en) | 1961-05-10 | 1963-09-17 | Shell Oil Co | Pipe joint locator for underwater wells |
| US3434046A (en) | 1965-12-20 | 1969-03-18 | Halliburton Co | Electronic borehole casing collar locator |
| US3570594A (en) | 1969-03-13 | 1971-03-16 | Howell M Hamilton | Subsurface control apparatus for use in oil and gas wells |
| US3881375A (en) | 1972-12-12 | 1975-05-06 | Borg Warner | Pipe tong positioning system |
| US3843923A (en) | 1973-07-05 | 1974-10-22 | Stewart & Stevenson Inc Jim | Well pipe joint locator using a ring magnet and two sets of hall detectors surrounding the pipe |
| US3883797A (en) | 1974-06-20 | 1975-05-13 | Abram Lvovich Abrukin | Apparatus for checking the continuity of metallic pipes using an oscillator whose frequency changes at discontinuities |
| US4110688A (en) | 1976-09-20 | 1978-08-29 | Monitoring Systems, Inc. | Method and apparatus for pipe joint locator, counter and displacement calculator |
| US4061967A (en) | 1977-01-03 | 1977-12-06 | Hughes Tool Company | Support system for rotatable detecting element |
| US4202490A (en) | 1977-01-03 | 1980-05-13 | Hughes Tool Company | Drill pipe identification method and system |
| GB1602065A (en) | 1978-05-16 | 1981-11-04 | Monitoring Systems Inc | Method and apparatus for counting pipe joints |
| US4328704A (en) | 1980-02-11 | 1982-05-11 | Orszagos Koolaj Es Gazipari Troszt | Apparatus for measuring the deformation and stress condition of the string of casing of drilled oil wells |
| US4439730A (en) * | 1981-05-08 | 1984-03-27 | Amf Inc. | Nondestructive inspection apparatus and method utilizing combined inspection signals obtained from orthogonal magnetic fields |
| US4422041A (en) | 1981-07-30 | 1983-12-20 | The United States Of America As Represented By The Secretary Of The Army | Magnet position sensing system |
| US4636727A (en) | 1984-04-11 | 1987-01-13 | Pa Incorporated | Method and apparatus for detecting the location of defects in tubular sections moving past a well head |
| US4715442A (en) | 1984-04-11 | 1987-12-29 | Pa Incorporated | Apparatus for servicing tubular strings in subterranean wells |
| US4629991A (en) | 1984-04-11 | 1986-12-16 | Pa Incorporated | Methods and apparatus for detecting tubular defects having a plurality of expandable arcuate segments |
| US4792756A (en) | 1984-04-11 | 1988-12-20 | Pa Incorporated | Method and apparatus for measuring axially extending defects in ferromagnetic elements |
| US4578642A (en) | 1984-04-11 | 1986-03-25 | Pa Incorporated | Method and apparatus for measuring velocity of ferromagnetic tubing |
| US4710712A (en) | 1984-04-11 | 1987-12-01 | Pa Incorporated | Method and apparatus for measuring defects in ferromagnetic elements |
| US4578991A (en) | 1984-11-15 | 1986-04-01 | Texaco Inc. | System for identifying individual drill pipe |
| US4698631A (en) | 1986-12-17 | 1987-10-06 | Hughes Tool Company | Surface acoustic wave pipe identification system |
| US4808925A (en) | 1987-11-19 | 1989-02-28 | Halliburton Company | Three magnet casing collar locator |
| US4878910A (en) * | 1988-06-13 | 1989-11-07 | Koziol Jeffrey E | Intraocular lens assembly |
| US4964462A (en) | 1989-08-09 | 1990-10-23 | Smith Michael L | Tubing collar position sensing apparatus, and associated methods, for use with a snubbing unit |
| US5014781A (en) | 1989-08-09 | 1991-05-14 | Smith Michael L | Tubing collar position sensing apparatus, and associated methods, for use with a snubbing unit |
| US5142128A (en) | 1990-05-04 | 1992-08-25 | Perkin Gregg S | Oilfield equipment identification apparatus |
| US5202680A (en) | 1991-11-18 | 1993-04-13 | Paul C. Koomey | System for drill string tallying, tracking and service factor measurement |
| US5323856A (en) | 1993-03-31 | 1994-06-28 | Halliburton Company | Detecting system and method for oil or gas well |
| US5429190A (en) | 1993-11-01 | 1995-07-04 | Halliburton Company | Slick line casing and tubing joint locator apparatus and associated methods |
| US5361838A (en) | 1993-11-01 | 1994-11-08 | Halliburton Company | Slick line casing and tubing joint locator apparatus and associated methods |
| US5750896A (en) | 1994-07-22 | 1998-05-12 | Hughes Aircraft Company | Tool joint sensor |
| US5532589A (en) | 1995-05-24 | 1996-07-02 | The United States Of America As Represented By The Secretary Of The Navy | Subsurface examination of non-ferrous material for detecting corrosion by measuring magnetic traction |
| US5744955A (en) * | 1995-08-02 | 1998-04-28 | Booker; James R. | Apparatus and method of detecting loss of cross-sectional area of magnetic metallic strength members used in conductors such as aluminum conductor steel reinforced (ACSR) conductors |
| US5720345A (en) | 1996-02-05 | 1998-02-24 | Applied Technologies Associates, Inc. | Casing joint detector |
| US5626192A (en) | 1996-02-20 | 1997-05-06 | Halliburton Energy Services, Inc. | Coiled tubing joint locator and methods |
| US6448760B1 (en) | 1996-11-14 | 2002-09-10 | Brose Fahrzeugteile Gmbh & Co. Kg, Coburg | Arrangements for detecting rotational or translatory movement and the direction thereof |
| US6346806B1 (en) | 1997-03-12 | 2002-02-12 | Pepperl +Fuchs Gmbh | Device for detecting the position of a moveable magnet to produce a magnetic field |
| JP3850538B2 (ja) * | 1997-07-19 | 2006-11-29 | 敏之 永本 | 水晶体嚢癒着防止リング |
| US6515474B1 (en) | 1997-08-06 | 2003-02-04 | Fisher-Rosemount Systems, Inc. | Linearized magnetic displacement sensor |
| US6366085B1 (en) | 1997-09-11 | 2002-04-02 | Bar-Ilan University | Probe device for measuring a magnetic field vector |
| US6003597A (en) | 1998-05-16 | 1999-12-21 | Newman; Frederic M. | Directional coupling sensor for ensuring complete perforation of a wellbore casing |
| GB9813889D0 (en) | 1998-06-27 | 1998-08-26 | Secr Defence | Apparatus for detecting metals |
| EP1099929A4 (en) | 1998-07-24 | 2001-09-26 | Next Corp | DETECTORS |
| US6032739A (en) | 1998-08-15 | 2000-03-07 | Newman; Frederic M. | Method of locating wellbore casing collars using dual-purpose magnet |
| US6253842B1 (en) | 1998-09-01 | 2001-07-03 | Halliburton Energy Services, Inc. | Wireless coiled tubing joint locator |
| FR2786266B1 (fr) | 1998-11-20 | 2001-01-19 | Moving Magnet Tech | Capteur de position a sonde de hall |
| US6304078B1 (en) | 1998-12-09 | 2001-10-16 | Cts Corporation | Linear position sensor |
| US6411084B1 (en) | 1999-04-05 | 2002-06-25 | Halliburton Energy Services, Inc. | Magnetically activated well tool |
| US6356076B1 (en) | 1999-07-15 | 2002-03-12 | Optek Technology, Inc. | System for outputting a plurality of signals as a collective representation of incremental movements of an object |
| US6492808B1 (en) | 2000-06-29 | 2002-12-10 | Intron Plus, Ltd. | Magnetic non-destructive method and apparatus for measurement of cross sectional area and detection of local flaws in elongated ferrous objects in response to longitudinally spaced sensors in an inter-pole area |
| US6556005B1 (en) | 2000-01-27 | 2003-04-29 | Goodrich Avionics Systems, Inc. | Magnetic encoder apparatus capable of resolving axial and rotational displacements |
| DE10048172C2 (de) | 2000-09-28 | 2003-07-24 | Siemens Ag | Magnetischer Bewegungssensor |
| US6577123B2 (en) | 2001-06-04 | 2003-06-10 | Delphi Technologies, Inc. | Linear position sensor assembly |
| US6586929B1 (en) | 2001-12-14 | 2003-07-01 | Wabash Technologies, Inc. | Magnetic position sensor having shaped pole pieces for improved output linearity |
-
2002
- 2002-04-16 US US10/125,005 patent/US6720764B2/en not_active Expired - Lifetime
-
2003
- 2003-04-14 CA CA002425565A patent/CA2425565C/en not_active Expired - Fee Related
- 2003-04-15 NO NO20031732A patent/NO334363B1/no not_active IP Right Cessation
- 2003-04-16 GB GB0308818A patent/GB2390906B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2425565A1 (en) | 2003-10-16 |
| NO334363B1 (no) | 2014-02-17 |
| CA2425565C (en) | 2006-07-25 |
| US20030193329A1 (en) | 2003-10-16 |
| GB0308818D0 (en) | 2003-05-21 |
| NO20031732D0 (no) | 2003-04-15 |
| GB2390906A (en) | 2004-01-21 |
| GB2390906B (en) | 2006-03-08 |
| US6720764B2 (en) | 2004-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO20031732L (no) | Fremgangsmåte og apparat for detektering av jernendringer i rör i et borehull | |
| NO20032103D0 (no) | Apparat og metode for separering og sammenföyning av rör i en brönn | |
| NO20052747D0 (no) | Fremgangsmate og apparat for ekspandering og separering av rorlengder i et borehull | |
| NO20034117D0 (no) | Fremgangsmåte og anordning for reparasjon av et rör | |
| NO20034461D0 (no) | Apparat for nedihulls operasjon og fremgangsmåte for utvidelse av et rör | |
| NO331123B1 (no) | Setteverktoy og apparat for setting av et forlengingsror i et borehull | |
| DK1606491T3 (da) | Foringsrörfört bröndboringsperforerende apparat og fremgangsmåde | |
| DK1188265T3 (da) | Fremgangsmåde og apparat til at bestemme position i en rørledning | |
| NO20023631D0 (no) | Apparat og fremgangsmåte for brönnboring | |
| NO20053216D0 (no) | Fremgangsmate og apparat for behandling av akustiske bolgeformer mottatt i et borehull. | |
| NO20045151D0 (no) | Apparat og fremgangsmate for a redusere fluidtrykket i en bronnboring | |
| NO20042573L (no) | Fremgangsmate og apparat for aktivisering av et nedihulls-verktoy | |
| NO20044288L (no) | Fremgangsmate og apparat for a fastlegge borestrengens bevegelsesmodus | |
| NO20024946L (no) | Apparat og fremgangsmåter til utforming av et sidebrönnhull | |
| NO20025907L (no) | Fremgangsmåte og apparat for kommunikasjon med ned-i- hullsanordninger i enbrönnboring | |
| NO20035685D0 (no) | Metoder og apparat for utviding av rör | |
| NO20020834D0 (no) | Fremgangsmåte og apparat for kommunikasjon i en brönn | |
| NO20034794D0 (no) | Fremgangsmåte og apparat for pressing av flytende materiale i forbindelse med olje- og gassbrönner | |
| NO20054235D0 (no) | Apparat og fremgangsmate for a sammenfore rorender | |
| NO20043199L (no) | Fremgangsmate og apparat for setting av et forlengingsror og ekspandering av et filter i et bronnhull | |
| NO20022744L (no) | Apparat og fremgangsmåte for innföring og gjenvinning av en verktöystreng gjennom et overflateutstyr | |
| NO20020202D0 (no) | Fremgangsmåte og apparat for detektering av underjordiske formasjoners egenskaper | |
| NO20030403D0 (no) | Metode og apparat for dannelse av lateral brönn | |
| NO20031973D0 (no) | Fremgangsmåte og apparat for en havbunnstilegnelsesteknikk | |
| NO20032005L (no) | Anordning og fremgangsmåte for besiktning av avlöpsrör |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |