1
Claude Francois Gaudy, Adrien Giraud, Claude J Tassin, Christian H Pech: Method and apparatus for moulding protective tubing simultaneously with bore hole drilling. Compagnie Francaise des Petroles, Sughrue Rothwell Mion Zinn & Macpeak, February 3, 1976: US03935910 (125 worldwide citation)

In a method of drilling a bore-hole, the bore-hole is protected against caving in as the drilling proceeds by the simultaneous moulding of a tubing on the bore-hole wall immediately above the drill tool. Preferably a sleeve is first moulded onto the bore-hole wall and the tubing is moulded onto the ...


2
Djurovic Branko: Support casing for a boring head. Societe Anonyme of Compagnie Francaise des Petroles, Sughrue Rothwell Mion Zinn and Macpeak, August 26, 1975: US3901331 (86 worldwide citation)

Drilling apparatus for installing casing while drilling in which a mobile head is connected to the lower end of a casing by bearing means. A drilling pipe string extends through the casing and is coupled to the casing at the upper end. A drilling bit is fixed to the lower end of the drill pipe and i ...


3
Andre Dorleans, Georges Fermaud: Drill pipe joint. Compagnie Francaise des Petroles, Sughrue Mion Zinn Macpeak and Seas, April 22, 1986: US04583603 (68 worldwide citation)

A drill pipe joint for insertion in a drill pipe comprises a body having an axial bore therethrough and comprising generally cylindrical upper and lower portions and a widened cylindrical intermediate portion at the upper end of which at least three cutouts are formed for insertion therein of remova ...


4
Jean Laurent Mallet: Method for modelling a surface and device for implementing same. Association Scientifique pour la Geologie et de ses Applications, Societe National Elf Aquitaine, Total Compagnie Francaise des Petroles, Compagnie Generale de Geophysique, November 7, 1995: US05465323 (67 worldwide citation)

A method for obtaining a model of a surface including the steps of obtaining measurements of geometrical data concerning specific points on the surface, making a grid of the surface, with the grid passing through said points, memorizing, at an address which is specific to each node of the grid, the ...


5
Jean J Fery: Method of tracing a well drilling mud. Compagnie Francaise des Petroles, Sughrue Mion Zinn Macpeak & Seas, October 5, 1982: US04352674 (66 worldwide citation)

In a method of tracing a well drilling mud by determining the concentration of a tracer ion in samples of filtrate from a drilling mud which contains a predetermined concentration of the tracer ion, the improvement wherein the tracer ion is the acetate ion and is present in the drilling mud in a con ...


6
Jacques L Moussy, Jean A Lescoeur: Production tubes for use in the completion of an oil well. Compagnie Francaise des Petroles, Sughrue Mion Zinn Macpeak and Seas, January 28, 1986: US04566541 (56 worldwide citation)

A connector for incorporation in a production tube for an oil well, below the packer, comprises a closing flap which closes when a first retractable ball seat is displaced downwards, in order to provide a safety device during the installation of the well head, and above the flap, a second retractabl ...


7
Abel C Cortes: Reduction in wear of contacting surfaces. Compagnie Francaise des Petroles, Sughrue Mion Zinn Macpeak & Seas, August 24, 1982: US04345798 (49 worldwide citation)

To reduce the wear of surfaces of anti-friction devices or bearings, the surfaces are diamonded, e.g. by being provided with diamonds or by being the surfaces of diamond-containing concretions, and are lapped before use, substantially no further wear occuring after the surfaces have been lapped.


8
Pavlin Cyrille Francois, Mantoux Gerard, Giraud Adrien, Grossin Michele: Apparatus and method for measuring the mass flow of a fluid stream. Bertin & Cie, Compagnie Francaise des Petroles, Breiner A W, December 23, 1975: US3927565 (45 worldwide citation)

Apparatus for measuring the mass flow of a stream of single-phase or polyphase fluid comprises in combination a substantially rectilinear pipe segment open at both ends and rotatable around an axis other than and not parallel to its longitudinal axis, means for rotating the pipe segment through a la ...


9
David M Edison, Fred S Marton, John N Ucovich: Remote monitoring and controlling system for subsea oil/gas production equipment. Compagnie Francaise des Petroles TOTAL, Ernest F Marmorek, February 6, 1979: US04138669 (45 worldwide citation)

A remote monitoring and controlling system for sub-sea oil/gas production equipment includes a control station for generating an appropriate digital code signal to accomplish a desired function and a cooperating remote station station system for receiving the signal and processing it in order to per ...


10
Cintract Bernard G, Sevin Rene G: Tipping girder for the transfer of rods or tubular elements. Compagnie Francaise Des Petroles, November 14, 1972: US3702640 (36 worldwide citation)

A tipping girder for the transfer of rods or tubular elements, comprising a plurality of adjustable guide nippers movably mounted on the girder for movement transverse to the longitudinal axis thereof, and adjustable locking nippers movably mounted on the girder for movement parallel and transverse ...