This is a Continuation-In Part of U.S. application Ser. No. 08/688,301 filed on Jul. 30, 1996, now U.S. Pat. No. 5,709,265 entitled "Wellbore Window Formation" which is a Continuation-In-Part of U.S. application Ser. No. 08/568,878 filed on Dec. 11, 1995, now U.S. Pat. No. 5,636,692 entitled "Casing Window Formation" both co-owned with this application and the present invention. This is also a Continuation-In-Part of U.S. application Ser. No. 08/532,180 filed Sep. 22, 1995, now U.S. Pat. No. 5,584,350 entitled "Wellbore Sidetracking Methods and Apparatuses" also co-owned with the present invention. Said three applications are incorporated fully herein in their entirety for all purposes.
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Entry |
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Number | Date | Country | |
---|---|---|---|
Parent | 688301 | Jul 1996 | |
Parent | 568878 | Dec 1995 | |
Parent | 532180 | Sep 1995 |