1
Steven R Erbstoesser, Claude E Cooke Jr, Richard G Sinclair, Michael M Epstein: Composition for reducing the permeability of subterranean formations. Exxon Production Research Co, James J Riley Jr, Marc L Delflache, July 2, 1985: US04526695 (169 worldwide citation)

The present invention relates generally to the composition and method for reducing the permeability of subterranean formations penetrated by a wellbore. The composition of the present invention comprises a wellbore fluid having dispersed therein a fluid loss control agent comprising a polyester poly ...


2
L Donald Maus, Jerry M Speers, James D Howell: Method and apparatus for compensating well control instrumentation for the effects of vessel heave. Exxon Production Research Company, Marc L Delflache, John C Hammar, August 11, 1981: US04282939 (53 worldwide citation)

A method and apparatus is disclosed for determining the flow rate of drilling fluid flowing from a subaqueous well. The invention may also be used to determine the presence of an abnormal drilling condition during heaving motion of an offshore vessel from which the drilling operation is conducted. T ...


3
Jefferson C Taylor Jr: Method and apparatus for preventing vertical movement of subsea downhole tool string. Exxon Production Research Co, Marc L Delflache, Mitchell D Lukin, August 21, 1984: US04466487 (43 worldwide citation)

A method and apparatus is disclosed for eliminating vertical motion of a downhole tool in a subsea borehole as the tool is being operated by a drill string from a floating vessel. A vertical motion elimination means is incorporated into the drill string at a point which will be adjacent a blowout pr ...


4
Robert E Williams: Apparatus for removing suspended oil droplets from water. Exxon Production Research Company, Marc L Delflache, April 15, 1980: US04198300 (22 worldwide citation)

Suspended droplets of oil are separated from a waste water stream by the method and apparatus of the present invention. The oil and water mixture is injected into a partially submerged, vertical pipe. Gas bubbles injected into the lower end of the pipe, rise through the pipe and countercurrently con ...


5
John E Ortloff: Clamping mechanism for connecting members in end-to-end relation. Exxon Production Rsearch Co, Marc L Delflache, September 6, 1983: US04402533 (21 worldwide citation)

A clamping mechanism for connecting members in end-to-end relation having a rotatable, actuating ring to radially move loading devices into engagement with one of the members. The translation of rotational movement to radial movement is accomplished by cam mechanisms. The loading devices may be togg ...


6
Claud C Barrington: Pressure insensitive valve. Exxon Production Research Company, Marc L Delflache, January 19, 1982: US04311297 (18 worldwide citation)

A pressure insensitive, fail-safe subsea valve is disclosed. The valve is manipulator operable for deep water application and does not require conventional diving techniques to install, maintain or remove. The valve is pressure balanced by employing a hollow valve stem which equalizes the pressure o ...


7
Arthur C Daughtry: Pipeline connection system. Exxon Production Research Company, Marc L Delflache, January 12, 1982: US04310263 (16 worldwide citation)

A method and appartus are disclosed for making a subsea flowline connection between two pipelines. A connector assembly having a base plate is positioned on the sea floor to receive the ends of two intersecting pipelines. Once one of the pipelines is attached to the base plate, the base plate is dis ...


8
John S Templeton III: Pressure sensing apparatus. Exxon Production Research Company, Marc L Delflache, November 27, 1979: US04175445 (13 worldwide citation)

A pressure sensing apparatus for measuring ice pressure forces while embedded in an ice pack is disclosed. The pressure sensing apparatus is thin in comparison to its width and length, having a stiffness similar to the average anticipated stiffness of the embedding material. The apparatus includes a ...


9
Aaron E Pierce, Wynn P Rickey: Apparatus for sealing a pipeline. Exxon Production Research Co, Marc L Delflache, August 7, 1984: US04463597 (12 worldwide citation)

A method and system for separating and sealing sections of a pipeline are disclosed. A spherical member is advanced by pressure along the interior of a pipeline to seat against a restraining member forming a pressure-tight seal. The advancing pressure may then be increased within the pipeline to mon ...


10
Hans O Jahns, Newton K Maer Jr: Method and apparatus for constructing and maintaining an offshore ice island. Exxon Production Research Company, Marc L Delflache, February 5, 1980: US04187039 (12 worldwide citation)

A method and apparatus is disclosed for forming and maintaining an offshore ice structure in an Arctic environment. The structure is formed by a series of caissons oriented in a ring forming an enclosure capable of retaining a predetermined amount of water and thereby defining an ice island when fro ...