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SE8205149L - CATCHING DEVICE FOR RECOVERING FOREMAL FROM DRILL - Google Patents

CATCHING DEVICE FOR RECOVERING FOREMAL FROM DRILL

Info

Publication number
SE8205149L
SE8205149L SE8205149A SE8205149A SE8205149L SE 8205149 L SE8205149 L SE 8205149L SE 8205149 A SE8205149 A SE 8205149A SE 8205149 A SE8205149 A SE 8205149A SE 8205149 L SE8205149 L SE 8205149L
Authority
SE
Sweden
Prior art keywords
foremal
drill
recovering
catching device
tool body
Prior art date
Application number
SE8205149A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE8205149D0 (en
Inventor
William T Taylor
Original Assignee
William T Taylor
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 William T Taylor filed Critical William T Taylor
Publication of SE8205149D0 publication Critical patent/SE8205149D0/en
Publication of SE8205149L publication Critical patent/SE8205149L/en

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Particle Accelerators (AREA)
  • Surgical Instruments (AREA)
  • Springs (AREA)
  • Vibration Dampers (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • External Artificial Organs (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)

Abstract

Disclosed is a jar accelerator 11. The accelerator 11 includes an elongated tubular tool body (12) and an elongated mandrel (13) axially slidingly mounted within the tool body (12) and having an outwardly facing shoulder (18). A plurality of frusto-conical disc springs (29) are disposed inside the tool body (12) about the mandrel (13) and between the shoulders (17, 18). The jar accelerator 11 is used in conjunction with a jar 20. <IMAGE>
SE8205149A 1982-07-14 1982-09-10 CATCHING DEVICE FOR RECOVERING FOREMAL FROM DRILL SE8205149L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39628782A 1982-07-14 1982-07-14

Publications (2)

Publication Number Publication Date
SE8205149D0 SE8205149D0 (en) 1982-09-10
SE8205149L true SE8205149L (en) 1984-01-15

Family

ID=23566616

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8205149A SE8205149L (en) 1982-07-14 1982-09-10 CATCHING DEVICE FOR RECOVERING FOREMAL FROM DRILL

Country Status (15)

Country Link
JP (1) JPS5918892A (en)
KR (1) KR920000256B1 (en)
AU (1) AU8949782A (en)
BE (1) BE894611A (en)
DE (1) DE3246649A1 (en)
DK (1) DK513482A (en)
ES (1) ES516282A0 (en)
FI (1) FI823313L (en)
FR (1) FR2530285A1 (en)
GB (1) GB2123880A (en)
GR (1) GR78659B (en)
IT (1) IT1148652B (en)
NL (1) NL8203573A (en)
NO (1) NO822911L (en)
SE (1) SE8205149L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8333957D0 (en) * 1983-12-21 1984-02-01 Zwart K Wireline jar
US4715454A (en) * 1986-06-03 1987-12-29 Teng Chuan C Mechanical directional drilling jar with swivel means
US4846273A (en) * 1987-09-21 1989-07-11 Anderson Edwin A Jar mechanism accelerator
GB2284622B (en) * 1993-11-13 1997-06-11 Petroline Wireline Services Improvements in and relating to downhole tools
GB9717361D0 (en) 1997-08-16 1997-10-22 Int Petroleum Equipment Ltd Accelerator tool
CN107524419B (en) * 2017-09-22 2023-07-07 中国石油天然气集团有限公司 Hydraulic jar

Also Published As

Publication number Publication date
DK513482A (en) 1984-01-15
KR840002067A (en) 1984-06-11
ES8308963A1 (en) 1983-10-01
IT8249466A0 (en) 1982-11-10
GB2123880A (en) 1984-02-08
GB2123880B (en) 1986-02-19
AU8949782A (en) 1984-01-19
JPS5918892A (en) 1984-01-31
FR2530285A1 (en) 1984-01-20
DE3246649A1 (en) 1984-02-09
FI823313A7 (en) 1984-01-15
FR2530285B3 (en) 1985-05-10
IT1148652B (en) 1986-12-03
GR78659B (en) 1984-09-27
FI823313A0 (en) 1982-09-27
NO822911L (en) 1984-01-16
FI823313L (en) 1984-01-15
BE894611A (en) 1983-04-05
ES516282A0 (en) 1983-10-01
SE8205149D0 (en) 1982-09-10
KR920000256B1 (en) 1992-01-10
NL8203573A (en) 1984-02-01

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