Search Images Maps Play YouTube News Gmail Drive More »
Advanced Patent Search | Web History | Sign in

Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US39306545 Dec 19736 Jan 1976Victor RichardsSound track unit for audio-visual apparatus
US39630767 Mar 197515 Jun 1976Baker Oil Tools, Inc.Method and apparatus for gravel packing well bores
US403766028 May 197426 Jul 1977K. R. Evans & AssociatesMethod for steam cleaning liners in oil well bores
US424830017 Apr 19783 Feb 1981Texas Iron Works, Inc.Method of and apparatus for positioning retrievable landing nipple in a well bore string
US442842822 Dec 198131 Jan 1984Dresser Industries, Inc.Tool and method for gravel packing a well
US484845912 Apr 198818 Jul 1989Dresser Industries, Inc.Apparatus for installing a liner within a well bore
US55052601 Jun 19959 Apr 1996Conoco Inc.Method and apparatus for wellbore sand control
US550734523 Nov 199416 Apr 1996Chevron U.S.A. Inc.Methods for sub-surface fluid shut-off
US712816021 May 200331 Oct 2006Schlumberger Technology CorporationMethod and apparatus to selectively reduce wellbore pressure during pumping operations