Vitaly P. Filippov

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Bugulma, SU

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement for patching off troublesome zones in a well
- Patent number 5,083,608
- Issue date Jan 28, 1992
- Gabdrashit S. Abdrakhmanov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of casing off a producing formation in a well
- Patent number 5,031,699
- Issue date Jul 16, 1991
- Vadim V. Artynov
- E21 - EARTH DRILLING MINING