ES8308963A1 - Jar accelerator - Google Patents

Jar accelerator

Info

Publication number
ES8308963A1
ES8308963A1 ES516282A ES516282A ES8308963A1 ES 8308963 A1 ES8308963 A1 ES 8308963A1 ES 516282 A ES516282 A ES 516282A ES 516282 A ES516282 A ES 516282A ES 8308963 A1 ES8308963 A1 ES 8308963A1
Authority
ES
Spain
Prior art keywords
jar
accelerator
tool body
mandrel
jar accelerator
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
ES516282A
Other languages
Spanish (es)
Other versions
ES516282A0 (en
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
Publication of ES8308963A1 publication Critical patent/ES8308963A1/en
Publication of ES516282A0 publication Critical patent/ES516282A0/en
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

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.
ES516282A 1982-07-14 1982-10-06 "PERCUTOR ACCELERATING DEVICE". Granted ES516282A0 (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
ES8308963A1 true ES8308963A1 (en) 1983-10-01
ES516282A0 ES516282A0 (en) 1983-10-01

Family

ID=23566616

Family Applications (1)

Application Number Title Priority Date Filing Date
ES516282A Granted ES516282A0 (en) 1982-07-14 1982-10-06 "PERCUTOR ACCELERATING DEVICE".

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
FI823313A0 (en) 1982-09-27
AU8949782A (en) 1984-01-19
DE3246649A1 (en) 1984-02-09
GR78659B (en) 1984-09-27
FI823313L (en) 1984-01-15
GB2123880B (en) 1986-02-19
KR840002067A (en) 1984-06-11
BE894611A (en) 1983-04-05
IT8249466A0 (en) 1982-11-10
FR2530285A1 (en) 1984-01-20
FR2530285B3 (en) 1985-05-10
DK513482A (en) 1984-01-15
JPS5918892A (en) 1984-01-31
NO822911L (en) 1984-01-16
KR920000256B1 (en) 1992-01-10
IT1148652B (en) 1986-12-03
SE8205149L (en) 1984-01-15
SE8205149D0 (en) 1982-09-10
ES516282A0 (en) 1983-10-01
NL8203573A (en) 1984-02-01
GB2123880A (en) 1984-02-08

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