DE3625898C2 - - Google Patents

Info

Publication number
DE3625898C2
DE3625898C2 DE19863625898 DE3625898A DE3625898C2 DE 3625898 C2 DE3625898 C2 DE 3625898C2 DE 19863625898 DE19863625898 DE 19863625898 DE 3625898 A DE3625898 A DE 3625898A DE 3625898 C2 DE3625898 C2 DE 3625898C2
Authority
DE
Germany
Prior art keywords
counter
pipe connection
loosening
connection according
hollow shaft
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
Application number
DE19863625898
Other languages
German (de)
English (en)
Other versions
DE3625898A1 (de
Inventor
Ulrich 4470 Meppen De Schnelte
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19863625898 priority Critical patent/DE3625898A1/de
Publication of DE3625898A1 publication Critical patent/DE3625898A1/de
Application granted granted Critical
Publication of DE3625898C2 publication Critical patent/DE3625898C2/de
Granted legal-status Critical Current

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/021—Devices for subsurface connecting or disconnecting by rotation

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)
  • Earth Drilling (AREA)
DE19863625898 1986-07-31 1986-07-31 Vorrichtung zum loesen einer rohrverbindung Granted DE3625898A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863625898 DE3625898A1 (de) 1986-07-31 1986-07-31 Vorrichtung zum loesen einer rohrverbindung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863625898 DE3625898A1 (de) 1986-07-31 1986-07-31 Vorrichtung zum loesen einer rohrverbindung

Publications (2)

Publication Number Publication Date
DE3625898A1 DE3625898A1 (de) 1988-02-04
DE3625898C2 true DE3625898C2 (enExample) 1988-04-28

Family

ID=6306382

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863625898 Granted DE3625898A1 (de) 1986-07-31 1986-07-31 Vorrichtung zum loesen einer rohrverbindung

Country Status (1)

Country Link
DE (1) DE3625898A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2341620B (en) * 1995-11-23 2000-05-03 Red Baron Downhole anchor
EG22359A (en) * 1999-11-24 2002-12-31 Shell Int Research Device for manipulating a tool in a well tubular
RU2169825C1 (ru) * 2000-05-19 2001-06-27 Закрытое акционерное общество завод "Измерон" Реверсивный механизм ловильного инструмента
RU2182956C2 (ru) * 2000-05-19 2002-05-27 Закрытое акционерное общество завод "Измерон" Устройство для отворачивания труб в скважине
CN103321588B (zh) * 2013-07-17 2015-09-09 濮阳市东昊机械电子有限公司 密封脱接器
CN103790524B (zh) * 2014-01-21 2015-09-23 中国海洋石油总公司 激动压力控制短节

Also Published As

Publication number Publication date
DE3625898A1 (de) 1988-02-04

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee