DE4002795C1 - - Google Patents

Info

Publication number
DE4002795C1
DE4002795C1 DE19904002795 DE4002795A DE4002795C1 DE 4002795 C1 DE4002795 C1 DE 4002795C1 DE 19904002795 DE19904002795 DE 19904002795 DE 4002795 A DE4002795 A DE 4002795A DE 4002795 C1 DE4002795 C1 DE 4002795C1
Authority
DE
Germany
Prior art keywords
electrically
tubes
drill string
outer tubes
conductive material
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 - Lifetime
Application number
DE19904002795
Other languages
German (de)
English (en)
Inventor
Rainer Dr. 3100 Celle De Juergens
Dagobert 3000 Hannover De Feld
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Eastman Christensen Co
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
Application filed by Eastman Christensen Co filed Critical Eastman Christensen Co
Priority to DE19904002795 priority Critical patent/DE4002795C1/de
Priority to EP19910101043 priority patent/EP0440123B1/de
Priority to CA 2035412 priority patent/CA2035412A1/en
Application granted granted Critical
Publication of DE4002795C1 publication Critical patent/DE4002795C1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/60—Connections between or with tubular conductors
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/18—Pipes provided with plural fluid passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Earth Drilling (AREA)
DE19904002795 1990-01-31 1990-01-31 Expired - Lifetime DE4002795C1 (nl)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19904002795 DE4002795C1 (nl) 1990-01-31 1990-01-31
EP19910101043 EP0440123B1 (de) 1990-01-31 1991-01-28 Vorrichtung zur Übertragung von Signalen in einem Bohrloch
CA 2035412 CA2035412A1 (en) 1990-01-31 1991-01-31 Double walled drill pipe electrical conductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904002795 DE4002795C1 (nl) 1990-01-31 1990-01-31

Publications (1)

Publication Number Publication Date
DE4002795C1 true DE4002795C1 (nl) 1991-05-23

Family

ID=6399123

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904002795 Expired - Lifetime DE4002795C1 (nl) 1990-01-31 1990-01-31

Country Status (3)

Country Link
EP (1) EP0440123B1 (nl)
CA (1) CA2035412A1 (nl)
DE (1) DE4002795C1 (nl)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011134636A3 (de) * 2010-04-26 2013-01-10 Geoxtec Gmbh Bohr- oder förderrohrgestänge
WO2014046674A1 (en) * 2012-09-21 2014-03-27 Halliburton Energy Services, Inc. Pipe-in-pipe wired telemetry system
CN108442887A (zh) * 2018-03-22 2018-08-24 西南石油大学 一种可补偿自清洁式动力电钻杆
CN113027356A (zh) * 2021-03-30 2021-06-25 中原工学院 一种井下开采随钻测量无线传输钻杆及其应用

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6581454B1 (en) * 1999-08-03 2003-06-24 Shell Oil Company Apparatus for measurement
CN101824983A (zh) * 2010-05-06 2010-09-08 煤炭科学研究总院西安研究院 一种信号传输装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799544A (en) * 1985-05-06 1989-01-24 Pangaea Enterprises, Inc. Drill pipes and casings utilizing multi-conduit tubulars

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2395861A (en) * 1941-06-12 1946-03-05 Cyrus H Fraser Transmission line joint
EP0063444B1 (en) * 1981-04-10 1986-07-09 Framo Developments (U.K.) Limited Electrically driven submersible pump system
JPS5864715A (ja) * 1981-10-12 1983-04-18 三菱電機株式会社 炭化水素地下資源電気加熱用電極装置の電気絶縁被覆された導管の製造法
US4643843A (en) * 1985-06-03 1987-02-17 Lowdon Harold L Preparation for improving the reliability of electrical connections
GB8616006D0 (en) * 1986-07-01 1986-08-06 Framo Dev Ltd Drilling system
GB8714754D0 (en) * 1987-06-24 1987-07-29 Framo Dev Ltd Electrical conductor arrangements

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799544A (en) * 1985-05-06 1989-01-24 Pangaea Enterprises, Inc. Drill pipes and casings utilizing multi-conduit tubulars

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011134636A3 (de) * 2010-04-26 2013-01-10 Geoxtec Gmbh Bohr- oder förderrohrgestänge
WO2014046674A1 (en) * 2012-09-21 2014-03-27 Halliburton Energy Services, Inc. Pipe-in-pipe wired telemetry system
CN108442887A (zh) * 2018-03-22 2018-08-24 西南石油大学 一种可补偿自清洁式动力电钻杆
CN113027356A (zh) * 2021-03-30 2021-06-25 中原工学院 一种井下开采随钻测量无线传输钻杆及其应用

Also Published As

Publication number Publication date
EP0440123B1 (de) 1994-05-18
CA2035412A1 (en) 1991-08-01
EP0440123A1 (de) 1991-08-07

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee