1
Gary W Motal: Marine cable system with automatic buoyancy control. Exxon Production Research Company, Alfred A Equitz, Karen T Burleson, May 17, 1988: US04745583 (39 worldwide citation)

A marine cable system including one or more elongated cable sections whose buoyancy may be independently controlled. Each section is associated with a pump and a variable volume, elongated bladder. In one embodiment, one reservoir containing buoyant fluid is included, and fluid from the reservoir is ...


2
David J Stephens: Method for treating a tar sand reservoir to enhance petroleum production by cyclic steam stimulation. Exxon Production Research Co, James H Riley, Karen T Burleson, August 26, 1986: US04607699 (21 worldwide citation)

A method for conditioning the virgin drainage area of a tar sand formation that is penetrated by a well for enhanced petroleum production by cyclic steam stimulation is described. The method comprises fracturing the drainage area by injection of liquid carbon dioxide. While carbon dioxide is still i ...


3
Jene A Richart: Fluid control line switching methods and apparatus. Exxon Production Research Co, Karen T Burleson, April 28, 1987: US04660647 (18 worldwide citation)

Method and apparatus for altering the downhole flow path of control fluids or the like in oil and gas wells. A downhole side pocket mandrel in a tubing string has interconnected thereto a supply conduit from the surface and a plurality of receiving conduits. Each receiving conduit is connected to a ...


4
Alec Rakach, Caurino C Bombardieri: Combined replacement drive process for oil recovery. Exxon Production Research Co, James H Riley, Karen T Burleson, September 23, 1986: US04612989 (15 worldwide citation)

Performing steam drive operations in critical manipulative steps can improve the recovery of viscous hydrocarbons from tar sand deposits. Steam is injected into an injection well at a rate that is less than the rate needed to fracture the formation, and fluids are simultaneously produced from a comm ...


5
Frank M Bower: Directional acoustic logger apparatus and method. Exxon Production Research Company, Karen T Burleson, May 17, 1988: US04744416 (12 worldwide citation)

An acoustic logging apparatus and method are disclosed for determining the direction of a subsurface noise source, such as a blowout well or fluid channeling behind well casing. The apparatus comprises cylindrical piezoelectric crystal transducers processed to buck each other. The method employs suc ...


6
Haven S Aldrich, Thomas L Ashcraft Jr, Maura C Puerto, Ronald L Reed: Oil recovery method using sulfonate surfactants derived from extracted aromatic feedstocks. Exxon Production Research Co, Karen T Burleson, June 5, 1984: US04452708 (9 worldwide citation)

An oil recovery method is disclosed which uses a particular class of alkylaryl sulfonate surfactants. The surfactants are derived from an extracted aromatic feedstock consisting essentially of benzene, toluene, xylenes, and lesser amounts of ethylbenzene, trimethylbenzenes, and tetramethylbenzenes. ...


7
Alan D Mut, Harry A Deans: Method for determining connate water saturation and salinity in reservoirs. Exxon Production Research Co, Karen T Burleson, April 2, 1985: US04508169 (6 worldwide citation)

A method for determining both connate water saturation and salinity in an oil-bearing reservoir with a single invasive well test is disclosed. In this method, a fluid, miscible with the reservoir oil and having the ability to dissolve a limited amount of the connate water where the solubility of the ...


8
Herbert L Stone: Water and miscible fluid flooding method having good vertical conformance for recovering oil. Exxon Production Research Co, Karen T Burleson, January 24, 1984: US04427067 (5 worldwide citation)

A method for recovering oil from a subterranean formation by alternately injecting water and fluid miscible with the oil into the formation to displace the oil is disclosed. In this method, the wells are spaced sufficiently close together, and the water and miscible fluid are injected at a rate, suc ...


9
Hollie B Warren Jr, Thomas A Paulley: Ice thickness inductor probe. Exxon Production Research Co, Karen T Burleson, December 6, 1983: US04418570 (5 worldwide citation)

A method and apparatus for measuring the thickness of an ice sheet floating on a body of sea water is disclosed. The electrical inductance of a coil embedded in an ice sheet is measured. This inductance is solely dependent on the geometrical factors of the coil and is minimally affected by variation ...


10
James R Bragg: Method for improving injectivities of biopolymer solutions. Exxon Production Research Co, Michael A Nametz, Karen T Burleson, January 15, 1985: US04493774 (4 worldwide citation)

An aqueous heteropolysaccharide solution is treated to improve its injectivity into a subterranean hydrocarbon reservoir by passing the solution through a colloid mill.