GB8620770D0 - Downhole tool - Google Patents

Downhole tool

Info

Publication number
GB8620770D0
GB8620770D0 GB868620770A GB8620770A GB8620770D0 GB 8620770 D0 GB8620770 D0 GB 8620770D0 GB 868620770 A GB868620770 A GB 868620770A GB 8620770 A GB8620770 A GB 8620770A GB 8620770 D0 GB8620770 D0 GB 8620770D0
Authority
GB
United Kingdom
Prior art keywords
downhole tool
downhole
tool
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.)
Pending
Application number
GB868620770A
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.)
Inglis A C
Original Assignee
Inglis A C
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 Inglis A C filed Critical Inglis A C
Priority to GB868620770A priority Critical patent/GB8620770D0/en
Publication of GB8620770D0 publication Critical patent/GB8620770D0/en
Priority to GB08720327A priority patent/GB2194573A/en
Pending legal-status Critical Current

Links

GB868620770A 1986-08-28 1986-08-28 Downhole tool Pending GB8620770D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB868620770A GB8620770D0 (en) 1986-08-28 1986-08-28 Downhole tool
GB08720327A GB2194573A (en) 1986-08-28 1987-08-28 Downhole tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868620770A GB8620770D0 (en) 1986-08-28 1986-08-28 Downhole tool

Publications (1)

Publication Number Publication Date
GB8620770D0 true GB8620770D0 (en) 1986-10-08

Family

ID=10603304

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868620770A Pending GB8620770D0 (en) 1986-08-28 1986-08-28 Downhole tool
GB08720327A Withdrawn GB2194573A (en) 1986-08-28 1987-08-28 Downhole tool

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08720327A Withdrawn GB2194573A (en) 1986-08-28 1987-08-28 Downhole tool

Country Status (1)

Country Link
GB (2) GB8620770D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0405799B1 (en) * 1989-06-29 1995-03-22 Well-Equip Limited A jar mechanism
NO340373B1 (en) 2014-04-11 2017-04-10 Loxley Holding As A cable operated percussion tool for downhole operations and method for operating the percussion tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB441904A (en) * 1934-12-28 1936-01-29 James Allen Kammerdiner Straight pull jar for well drilling
GB850210A (en) * 1959-06-22 1960-10-05 Joy Mfg Co Straight pull jar well tool and spring means therefor
GB1370337A (en) * 1970-10-20 1974-10-16 Schlumberger Technoloty Corp Mechanical jar
US3963081A (en) * 1975-04-24 1976-06-15 Anderson Edwin A Double acting mechanical jar
US4304428A (en) * 1976-05-03 1981-12-08 Grigorian Samvel S Tapered screw joint and device for emergency recovery of boring tool from borehole with the use of said joint
US4376468A (en) * 1981-01-12 1983-03-15 Clark George M Drilling jar

Also Published As

Publication number Publication date
GB8720327D0 (en) 1987-10-07
GB2194573A (en) 1988-03-09

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