DD200907A5 - Schlageinsatz fuer tiefbohrungen - Google Patents

Schlageinsatz fuer tiefbohrungen Download PDF

Info

Publication number
DD200907A5
DD200907A5 DD81234589A DD23458981A DD200907A5 DD 200907 A5 DD200907 A5 DD 200907A5 DD 81234589 A DD81234589 A DD 81234589A DD 23458981 A DD23458981 A DD 23458981A DD 200907 A5 DD200907 A5 DD 200907A5
Authority
DD
German Democratic Republic
Prior art keywords
impact
inner tube
outer tube
tube
damping elements
Prior art date
Application number
DD81234589A
Other languages
German (de)
English (en)
Inventor
Edward L Briscoe
Original Assignee
Dailey Oil Tools Inc
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 Dailey Oil Tools Inc filed Critical Dailey Oil Tools Inc
Publication of DD200907A5 publication Critical patent/DD200907A5/de

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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing
    • Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
    • Y10T29/49734—Repairing by attaching repair preform, e.g., remaking, restoring, or patching and removing damaged material
    • Y10T29/49735—Mechanically attaching preform with separate fastener

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
DD81234589A 1980-11-03 1981-11-03 Schlageinsatz fuer tiefbohrungen DD200907A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/203,527 US4394883A (en) 1980-11-03 1980-11-03 Well jar

Publications (1)

Publication Number Publication Date
DD200907A5 true DD200907A5 (de) 1983-06-22

Family

ID=22754347

Family Applications (1)

Application Number Title Priority Date Filing Date
DD81234589A DD200907A5 (de) 1980-11-03 1981-11-03 Schlageinsatz fuer tiefbohrungen

Country Status (11)

Country Link
US (1) US4394883A (fr)
EP (1) EP0065523A4 (fr)
JP (1) JPS57501683A (fr)
CA (1) CA1167433A (fr)
DD (1) DD200907A5 (fr)
DE (1) DE3152495T1 (fr)
GB (1) GB2097452A (fr)
IT (1) IT8149598A0 (fr)
NL (1) NL8120371A (fr)
NO (1) NO822161L (fr)
WO (1) WO1982001569A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498548A (en) * 1983-06-20 1985-02-12 Dailey Petroleum Services Corp. Well jar incorporating elongate resilient vibration snubbers and mounting apparatus therefor
US4665998A (en) * 1985-01-31 1987-05-19 Eastman Whipstock, Inc. Mechanical well jar
US4715454A (en) * 1986-06-03 1987-12-29 Teng Chuan C Mechanical directional drilling jar with swivel means
US5033557A (en) * 1990-05-07 1991-07-23 Anadrill, Inc. Hydraulic drilling jar
US5566772A (en) * 1995-03-24 1996-10-22 Davis-Lynch, Inc. Telescoping casing joint for landing a casting string in a well bore
US5624001A (en) * 1995-06-07 1997-04-29 Dailey Petroleum Services Corp Mechanical-hydraulic double-acting drilling jar
US6290004B1 (en) 1999-09-02 2001-09-18 Robert W. Evans Hydraulic jar
US6481495B1 (en) 2000-09-25 2002-11-19 Robert W. Evans Downhole tool with electrical conductor
US10337296B2 (en) * 2014-10-14 2019-07-02 Red Willow Production Company Gas lift assembly
GB2540951B (en) * 2015-07-31 2017-08-30 Bulroc (Uk) Ltd DTH Hammer
US12049795B2 (en) * 2022-10-11 2024-07-30 Halliburton Energy Services, Inc. Integration of stored kinetic energy in downhole electrical interval control valves

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754160A (en) * 1956-07-10 Well apparatus
US2023266A (en) * 1934-01-09 1935-12-03 Goodrich Co B F Protected shafting
US2613917A (en) * 1948-04-14 1952-10-14 California Research Corp Turbine-impact drill
US2740651A (en) * 1951-03-10 1956-04-03 Exxon Research Engineering Co Resiliently coupled drill bit
US2847260A (en) * 1956-08-20 1958-08-12 Stephen V Dillon Rod stabilizer device for wells
US2991837A (en) * 1957-05-29 1961-07-11 California Research Corp Turbo drill thrust bearings
US3080926A (en) * 1961-04-06 1963-03-12 Weatherford Oil Tool Company I Casing centralizer with replaceable wings
US3208541A (en) * 1962-01-29 1965-09-28 Richard R Lawrence Spring biased well jar
US3233690A (en) * 1964-09-02 1966-02-08 Richard R Lawrence Flexible well jar
US3323326A (en) * 1965-08-02 1967-06-06 John A Vertson Well drilling shock absorber
CA1021966A (fr) * 1975-04-01 1977-12-06 Lee-Mason Tools Ltd. Mecanisme d'accouplement pour tetes de forage

Also Published As

Publication number Publication date
EP0065523A1 (fr) 1982-12-01
EP0065523A4 (fr) 1984-08-08
US4394883A (en) 1983-07-26
CA1167433A (fr) 1984-05-15
NO822161L (no) 1982-06-25
IT8149598A0 (it) 1981-10-30
GB2097452A (en) 1982-11-03
DE3152495T1 (de) 1983-11-17
JPS57501683A (fr) 1982-09-16
NL8120371A (fr) 1982-09-01
WO1982001569A1 (fr) 1982-05-13

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