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Publication numberUS3920075 B1
Publication typeGrant
Publication dateFeb 19, 1985
Filing dateFeb 8, 1974
Priority dateFeb 8, 1974
Publication numberUS 3920075 B1, US 3920075B1, US-B1-3920075, US3920075 B1, US3920075B1
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet

US 3920075 B1
Abstract  available in
Description  available in
Claims  available in
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4030546 *Jul 28, 1975Jun 21, 1977Brown Oil Tools, Inc.Swivel assembly
US4039025 *Aug 23, 1976Aug 2, 1977Exxon Production Research CompanyApparatus for anchoring an offshore structure
US4187906 *May 8, 1978Feb 12, 1980Baker International CorporationWell bore apparatus with annulus pressure releasable tubing seal unit
US4190107 *Aug 25, 1978Feb 26, 1980Baker International CorporationWell bore apparatus with hydraulically releasable tubing seal unit
US4364432 *Sep 15, 1980Dec 21, 1982Hughes Tool CompanySeal assembly
US4372393 *Jun 16, 1981Feb 8, 1983Baker International CorporationCasing bore receptacle
US4375240 *Dec 8, 1980Mar 1, 1983Hughes Tool CompanyWell packer
US4391325 *Oct 27, 1980Jul 5, 1983Texas Iron Works, Inc.Liner and hydraulic liner hanger setting arrangement
US4406324 *May 28, 1981Sep 27, 1983Hughes Tool CompanyBottom lock pipe seal assembly
US4440233 *Jul 6, 1982Apr 3, 1984Hughes Tool CompanySetting tool
US4441560 *May 13, 1983Apr 10, 1984Hughes Tool CompanySetting tool
US4655290 *Dec 16, 1985Apr 7, 1987Hughes Tool CompanyLatching production seal assembly
US4726425 *Aug 17, 1987Feb 23, 1988Hughes Tool CompanyCombination landing unit and seal assembly
US4834185 *Jan 15, 1988May 30, 1989Texas Iron Works, Inc.Method and apparatus for manipulating a well bore liner
US4966236 *May 9, 1989Oct 30, 1990Texas Iron Works, Inc.Cementing method and arrangement
US4969517 *Aug 25, 1989Nov 13, 1990Fmc CorporationSub-mudling casing hanger/packoff
US4993493 *Apr 30, 1987Feb 19, 1991Texas Iron Works, Inc.Retrievable landing method and assembly for a well bore
US5036922 *Mar 30, 1990Aug 6, 1991Texas Iron Works, Inc.Single plug arrangement, lock therefor and method of use
US6904970Jul 31, 2002Jun 14, 2005Smith International, Inc.Cementing manifold assembly
US7066249May 25, 2005Jun 27, 2006Smith International, Inc.Cementing manifold assembly
US7581595 *Feb 24, 2009Sep 1, 2009Baker Hughes IncorporatedCoupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore
US8002044Aug 23, 2011Baker Hughes IncorporatedCoupler retained liner hanger mechanism with moveable cover and methods of setting a hanger inside a wellbore
US20030024701 *Jul 31, 2002Feb 6, 2003Smith International, Inc.Cementing manifold assembly
US20090159296 *Feb 24, 2009Jun 25, 2009Fay Peter JCoupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore
US20100307767 *Dec 9, 2010Fay Peter JCoupler retained liner hanger mechanism with moveable cover and methods of setting a hanger inside a wellbore
USRE31881 *Sep 6, 1983May 14, 1985Mwl Tool And Supply CompanySetting tools and liner hanger assembly
Classifications
International ClassificationE21B43/10, E21B33/04, E21B43/02, E21B33/03
Cooperative ClassificationE21B43/10, E21B33/0415
European ClassificationE21B43/10, E21B33/04F
Legal Events
DateCodeEventDescription
Feb 19, 1985B1Reexamination certificate first reexamination
Apr 3, 1984RRRequest for reexamination filed
Effective date: 19840302
Jul 19, 1983PSPatent suit(s) filed