Inventor
VOVERS ANTHONY P
US6 patents
Patents
6 patentsUS6598682B2Jul 29, 2003
Reservoir communication with a wellbore
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US6244351B1Jun 12, 2001
Pressure-controlled actuating mechanism
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US6722432B2Apr 20, 2004
Slimhole fluid tester
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US6293344B1Sep 25, 2001
Retainer valve
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US5320183AJun 14, 1994
Locking apparatus for locking a packer setting apparatus and preventing the packer from setting until a predetermined annulus pressure is produced
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US6588508B2Jul 8, 2003
Method and apparatus to reduce trapped pressure in a downhole tool
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