1
Wann Sheng Huang, Margaret A Hight: Producing hydrocarbons through successively perforated intervals of a horizontal well between two vertical wells. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, July 28, 1987: US04682652 (253 worldwide citation)

The invention uses two vertical wells and a horizotal well located within the underground formation extending between the two vertical wells. A thermal fluid is injected into the formation through the first vertical well. Hydrocarbons and other fluids are produced from the horizontal well through a ...


2
Phillip K Notz, John Prieditis, James F Stevens: Method for improving injectivity of fluids in oil reservoirs. Texaco, James L Bailey, Kenneth R Priem, Harold J Delhommer, May 27, 1997: US05632336 (235 worldwide citation)

A method is provided for increasing the rate of injection of flooding fluids into injection wells. A slug of polar solvent or a mixture of polar solvent and non-aqueous flooding fluid is injected into the injection well to displace aqueous and hydrocarbon liquids in the rock surrounding the injectio ...


3
Chieh Chu: Steamflooding with alternating injection and production cycles. Texaco, James L Bailey, Jack H Park, Harold J Delhommer, September 21, 1993: US05246071 (97 worldwide citation)

A method of staggered scheduling of injection and/or production into and from alternate rows of injection and/or production wells in hydrocarbon formations penetrated by multiple 5-spot, inverted 5-spot, 7-spot or 9-spot well patterns.


4
Harold J Delhommer, Clarence O Walker: Method for controlling lost circulation of drilling fluids with hydrocarbon absorbent polymers. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, January 6, 1987: US04633950 (95 worldwide citation)

The invention is a method for reducing lost circulation of aqueous or oil based drilling fluids wherein one or more hydrocarbon absorbent polymers are dispersed in an aqueous carrier fluid which is injected into the lost circulation zone. The aqueous carrier fluid initially prevents hydrocarbon from ...


5
Clarence O Walker: Encapsulated lime as a lost circulation additive for aqueous drilling fluids. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, September 30, 1986: US04614599 (88 worldwide citation)

The disclosed invention is a novel drilling fluid additive for use in reducing lost circulation in wellbores and a method for employing the invention additive for reducing such lost circulation. The invention additive is lime encapsulated by a reaction-preventive protective casing to prevent the lim ...


6
Billy W Surles, Philip D Fader, Carlos W Pardo: Quick-set formation treating methods. Texaco, James L Bailey, Kenneth R Priem, Harold J Delhommer, June 13, 1995: US05423381 (69 worldwide citation)

A method for fluid control or plugging of a well by injecting a mixture of an acid polymerizable resin, a polar organic diluent, and an acid catalyst, and later injecting an acidic fluid to quick-set a portion of the resin and hold it in place while the pre-mixed catalyst sets the resin. In an alter ...


7
Wann Sheng Huang, Margaret A Hight: Patterns of horizontal and vertical wells for improving oil recovery efficiency. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, October 27, 1987: US04702314 (65 worldwide citation)

The invention is a method of recovering hydrocarbons from an underground formation by employing a modified 5 spot or 9 spot well pattern which contains a substantially vertical central well and four substantially horizontal wells, each having one end located relatively near the center of a substanti ...


8
Fansheng T Tao, Paul F Pilger, Charles A Dyke: Reducing aqueous boron concentrations with reverse osmosis membranes operating at a high pH. Texaco, James L Bailey, Jack H Park, Harold J Delhommer, October 5, 1993: US05250185 (57 worldwide citation)

A method of treating an aqueous charge liquid, such as oilfield produced waters, containing boron and solubilized hydrocarbon compounds to reduce boron concentration, which comprises water softening to remove substantially all divalent cations, raising the pH of the liquid above about 9.5, and drivi ...


9
Clarence O Walker: Encapsulated water absorbent polymers as lost circulation additives for aqueous drilling fluids. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, May 12, 1987: US04664816 (54 worldwide citation)

The disclosed invention is a novel drilling fluid additive for use in reducing lost circulation in wellbores and a method for employing the invention additive for reducing such lost circulation. The invention additive is a highly water absorbent polymer encapsulated by a reaction-preventive protecti ...


10
Billy W Surles: Formation treating methods. Texaco, James L Bailey, Kenneth R Priem, Harold J Delhommer, January 3, 1995: US05377759 (50 worldwide citation)

Disclosed are methods for treating wells to form a permeable barrier around the well for consolidating unconsolidated mineral particles such as sand in a subterranean petroleum formation penetrated by a well, or for forming an impermeable barrier for fluid entry control, or for plugging the well for ...