NO823536L - Mekanisk slagsaks. - Google Patents

Mekanisk slagsaks.

Info

Publication number: NO823536L
Authority: NO; Norway
Prior art keywords: sleeve; mandrel; impact; shears; stated
Prior art date: 1981-10-28

Application number

NO823536A

Other languages

English (en)

Norwegian (no)

Inventor

Dietmar Krehl

Rainer Juergens

Original Assignee

Christensen 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.)

1981-10-28

Filing date

1982-10-25

Publication date

1983-04-29

1982-10-25 Application filed by Christensen Inc filed Critical Christensen Inc

1983-04-29 Publication of NO823536L publication Critical patent/NO823536L/no

Links

238000006073 displacement reaction Methods 0.000 claims description 27
238000011010 flushing procedure Methods 0.000 claims description 3
230000004323 axial length Effects 0.000 claims description 2
230000005540 biological transmission Effects 0.000 claims 1
238000005259 measurement Methods 0.000 claims 1
238000005553 drilling Methods 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 2
230000000903 blocking effect Effects 0.000 description 2
238000010276 construction Methods 0.000 description 2
238000005755 formation reaction Methods 0.000 description 2
238000010586 diagram Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
230000007774 longterm Effects 0.000 description 1
230000036316 preload Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000010008 shearing Methods 0.000 description 1

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)
Marine Sciences & Fisheries (AREA)
Environmental & Geological Engineering (AREA)
Physics & Mathematics (AREA)
Geochemistry & Mineralogy (AREA)
Gripping On Spindles (AREA)
Percussive Tools And Related Accessories (AREA)
Primary Cells (AREA)
Earth Drilling (AREA)
Drilling Tools (AREA)

NO823536A 1981-10-28 1982-10-25 Mekanisk slagsaks. NO823536L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3142722A DE3142722C2 (de)	1981-10-28	1981-10-28	Mechanische Schlagschere

Publications (1)

Publication Number	Publication Date
NO823536L true NO823536L (no)	1983-04-29

Family

ID=6145024

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO823536A NO823536L (no)	1981-10-28	1982-10-25	Mekanisk slagsaks.

Country Status (9)

Country	Link
US (1)	US4463815A (fr)
JP (1)	JPS5883784A (fr)
BE (1)	BE894747A (fr)
BR (1)	BR8206285A (fr)
DE (1)	DE3142722C2 (fr)
FR (1)	FR2515250A1 (fr)
GB (1)	GB2111101B (fr)
NL (1)	NL8204125A (fr)
NO (1)	NO823536L (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU636666B2 (en) *	1989-09-29	1993-05-06	Cliffman Investments Pty. Ltd.	Reducing velocity of a rolling object
GB2242920B (en) *	1990-04-09	1994-07-06	Trevi	Telescopic bar of a drilling rig
US5033557A (en) *	1990-05-07	1991-07-23	Anadrill, Inc.	Hydraulic drilling jar
US5875842A (en) *	1996-03-05	1999-03-02	Wyatt; Wilfred B.	Multi-impact jarring apparatus and method for using same
US6745836B2 (en) *	2002-05-08	2004-06-08	Jeff L. Taylor	Down hole motor assembly and associated method for providing radial energy
DE20301946U1 (de) *	2003-02-07	2004-06-09	Bauer Maschinen Gmbh	Teleskopierbares Bohrgestänge
US7011156B2 (en) *	2003-02-19	2006-03-14	Ashmin, Lc	Percussion tool and method
US7111678B2 (en) *	2003-10-30	2006-09-26	Impact Selector, Inc.	Field adjustable impact jar
US20070137895A1 (en) *	2005-12-21	2007-06-21	Smith International, Inc.	Percussion drill bit with V-shaped splines
AU2014302227B2 (en)	2013-06-26	2018-05-17	Impact Selector International, Llc	Downhole-adjusting impact apparatus and methods
US10190394B2 (en)	2013-11-08	2019-01-29	Halliburton Energy Services, Inc.	Energy harvesting from a downhole jar
CN107246238B (zh) *	2017-08-01	2021-04-27	西南石油大学	一种一体化冲击井下动力钻具
CN113879914B (zh) *	2021-09-24	2023-12-15	中铁十六局集团电气化工程有限公司	一种线缆穿孔牵拉装置
CN116146134B (zh) *	2021-11-22	2025-03-28	中国石油天然气集团有限公司	一种联动扭震解卡器及方法
CN113846986B (zh) *	2021-12-02	2022-02-15	成都高峰石油机械有限公司	一种随钻震击器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1895227A (en) *	1930-06-13	1933-01-24	Ira J Mccullough	Jarring tool
US3233690A (en) *	1964-09-02	1966-02-08	Richard R Lawrence	Flexible well jar
US4105082A (en) *	1975-12-08	1978-08-08	Cheek Alton E	Jarring tool
US4036312A (en) *	1976-09-13	1977-07-19	Hycalog Inc.	Well jar

1981
- 1981-10-28 DE DE3142722A patent/DE3142722C2/de not_active Expired
1982
- 1982-08-23 US US06/410,751 patent/US4463815A/en not_active Expired - Fee Related
- 1982-09-09 GB GB08225682A patent/GB2111101B/en not_active Expired
- 1982-10-20 BE BE0/209278A patent/BE894747A/fr not_active IP Right Cessation
- 1982-10-25 NO NO823536A patent/NO823536L/no unknown
- 1982-10-25 FR FR8217831A patent/FR2515250A1/fr not_active Withdrawn
- 1982-10-26 NL NL8204125A patent/NL8204125A/nl not_active Application Discontinuation
- 1982-10-27 BR BR8206285A patent/BR8206285A/pt unknown
- 1982-10-28 JP JP57188303A patent/JPS5883784A/ja active Pending

Also Published As

Publication number	Publication date
GB2111101B (en)	1985-02-13
DE3142722C2 (de)	1983-10-13
NL8204125A (nl)	1983-05-16
FR2515250A1 (fr)	1983-04-29
JPS5883784A (ja)	1983-05-19
DE3142722A1 (de)	1983-05-11
US4463815A (en)	1984-08-07
GB2111101A (en)	1983-06-29
BR8206285A (pt)	1983-09-20
BE894747A (fr)	1983-02-14

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