GB8714921D0 - Borehole underreamer device - Google Patents

Borehole underreamer device

Info

Publication number
GB8714921D0
GB8714921D0 GB8714921A GB8714921A GB8714921D0 GB 8714921 D0 GB8714921 D0 GB 8714921D0 GB 8714921 A GB8714921 A GB 8714921A GB 8714921 A GB8714921 A GB 8714921A GB 8714921 D0 GB8714921 D0 GB 8714921D0
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
borehole
underreamer
device
borehole underreamer
underreamer device
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
GB8714921A
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.)
Shell International Research Mij BV
Original Assignee
Shell International Research Mij BV
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
Grant date

Links

GB8714921A 1987-06-25 1987-06-25 Borehole underreamer device Pending GB8714921D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8714921A GB8714921D0 (en) 1987-06-25 1987-06-25 Borehole underreamer device

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB8714921A GB8714921D0 (en) 1987-06-25 1987-06-25 Borehole underreamer device
EP19880201228 EP0298537B1 (en) 1987-06-25 1988-06-15 Device and method for underreaming a borehole
DE19883876318 DE3876318T2 (en) 1987-06-25 1988-06-15 Apparatus and process for producing an undercut in a wellbore.
DE19883876318 DE3876318D1 (en) 1987-06-25 1988-06-15 Apparatus and process for producing an undercut in a wellbore.
DK347088A DK169483B1 (en) 1987-06-25 1988-06-23 A device for the purification of a borehole

Publications (1)

Publication Number Publication Date
GB8714921D0 true GB8714921D0 (en) 1987-07-29

Family

ID=10619554

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8714921A Pending GB8714921D0 (en) 1987-06-25 1987-06-25 Borehole underreamer device

Country Status (4)

Country Link
EP (1) EP0298537B1 (en)
DE (2) DE3876318T2 (en)
DK (1) DK169483B1 (en)
GB (1) GB8714921D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677402A1 (en) * 1991-06-06 1992-12-11 Geostock Method to drill a blind wells including drilling and large diameter tool for setting óoeuvre.
US8899339B2 (en) 2008-02-29 2014-12-02 Exxonmobil Upstream Research Company Systems and methods for regulating flow in a wellbore
GB2462306B (en) * 2008-08-01 2012-12-26 Deep Casing Tools Ltd Reaming tool
US9587442B2 (en) 2014-03-20 2017-03-07 Halliburton Energy Services, Inc. Automated locking joint in a welbore tool string

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1485615A (en) * 1920-12-08 1924-03-04 Arthur S Jones Oil-well reamer
US1667155A (en) * 1927-03-18 1928-04-24 Zalmon B Higdon Drilling bit
US2290502A (en) * 1938-12-29 1942-07-21 Dow Chemical Co Apparatus for forming subterranean cavities
US2350973A (en) * 1943-02-16 1944-06-06 Shell Dev Pressure-actuated tubing anchor
US2799475A (en) * 1953-01-08 1957-07-16 Texas Co Reaming apparatus
US2823901A (en) * 1955-11-07 1958-02-18 Kammerer Jr Archer W Expansible rotary drilling tools
US2922627A (en) * 1956-06-07 1960-01-26 Rotary Oil Tool Company Rotary drill bits and cutters
FR1271163A (en) * 1960-07-26 1961-09-08 Broad-drawing device of the base of a drill
DE1207907B (en) * 1962-09-07 1965-12-30 Servco Co downhole tool
US3196960A (en) * 1963-03-19 1965-07-27 Lamphere Jean K Fluid pressure expansible drill bits
GB1099673A (en) * 1963-10-15 1968-01-17 Sir Frank Whittle Improvements in fluid pressure motive systems, for borehole drilling
US3472553A (en) * 1967-05-03 1969-10-14 Bruno H Miller Method of and apparatus for extracting bitumen
US3757877A (en) * 1971-12-30 1973-09-11 Grant Oil Tool Co Large diameter hole opener for earth boring
FR2275633B1 (en) * 1974-06-19 1978-01-13 Ferodo Sa
FI773264A (en) * 1976-11-05 1978-05-06 Sven Halvor Johanssen An apparatus Foer stoedande of a roer in a djupt borrhaol Science Foer with foerskjutning lifted and through the reaction against the borrhaolets vaegg
CA1067819A (en) * 1977-10-14 1979-12-11 Harold F. Green Mining and extracting process and apparatus
US4299296A (en) * 1979-07-06 1981-11-10 Smith International, Inc. In-hole motor drill with bit clutch

Also Published As

Publication number Publication date Type
DK169483B1 (en) 1994-11-07 grant
EP0298537A2 (en) 1989-01-11 application
EP0298537B1 (en) 1992-12-02 grant
DK347088D0 (en) 1988-06-23 grant
DE3876318T2 (en) 1993-04-01 grant
EP0298537A3 (en) 1989-04-12 application
DK347088A (en) 1988-12-26 application
DE3876318D1 (en) 1993-01-14 grant

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