Jean A. Lescoeur

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Annular safety assembly for an oil well, especially a double produc...
- Patent number 4,726,422
- Issue date Feb 23, 1988
- Total Compagnie Francaise des Petroles
- Paul M. Helderle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Production tubes for use in the completion of an oil well
- Patent number 4,566,541
- Issue date Jan 28, 1986
- Compagnie Francaise des Petroles
- Jacques L. Moussy
- E21 - EARTH DRILLING MINING