P

Inventor

HUANG WANN-SHENG

US25 patents

Patents

25 patents
US4682652AJul 28, 1987

Producing hydrocarbons through successively perforated intervals of a horizontal well between two vertical wells

TEXACO INC402 citations98
US4577691AMar 25, 1986

Method and apparatus for producing viscous hydrocarbons from a subterranean formation

TEXACO INC190 citations98
US4702314AOct 27, 1987

Patterns of horizontal and vertical wells for improving oil recovery efficiency

TEXACO INC103 citations96
US4662441AMay 5, 1987

Horizontal wells at corners of vertical well patterns for improving oil recovery efficiency

TEXACO INC51 citations96
US4298455ANov 3, 1981

Viscosity reduction process

TEXACO INC80 citations96
US4260018AApr 7, 1981

Method for steam injection in steeply dipping formations

TEXACO INC107 citations95
US5065821ANov 19, 1991

Gas flooding with horizontal and vertical wells

TEXACO INC59 citations94
US4558742ADec 17, 1985

Method and apparatus for gravel packing horizontal wells

TEXACO INC43 citations93
US4553595ANov 19, 1985

Method for forming a gravel packed horizontal well

TEXACO INC46 citations93
US5957202ASep 28, 1999

Combination production of shallow heavy crude

TEXACO INC47 citations92
US4700779AOct 20, 1987

Parallel horizontal wells

TEXACO INC38 citations92
US4685515AAug 11, 1987

Modified 7 spot patterns of horizontal and vertical wells for improving oil recovery efficiency

TEXACO INC34 citations92
US4653583AMar 31, 1987

Optimum production rate for horizontal wells

TEXACO INC51 citations92
US4576036AMar 18, 1986

Method and apparatus for determining quality and mass flow rate of flowing steam

TEXACO INC38 citations91
US4850429AJul 25, 1989

Recovering hydrocarbons with a triangular horizontal well pattern

TEXACO INC40 citations90
US5320170AJun 14, 1994

Oil recovery process employing horizontal and vertical wells in a modified inverted 5-spot pattern

TEXACO INC25 citations87
US4646824AMar 3, 1987

Patterns of horizontal and vertical wells for improving oil recovery efficiency

TEXACO INC23 citations82
US4645003AFeb 24, 1987

Patterns of horizontal and vertical wells for improving oil recovery efficiency

TEXACO INC21 citations82
US4540050ASep 10, 1985

Method of improving conformance in steam floods with steam foaming agents

TEXACO INC23 citations81
US4535845AAug 20, 1985

Method for producing viscous hydrocarbons from discrete segments of a subterranean layer

TEXACO INC23 citations81
US4495994AJan 29, 1985

Thermal injection and in situ combustion process for heavy oils

TEXACO INC22 citations81
US4166504ASep 4, 1979

High vertical conformance steam drive oil recovery method

TEXACO INC23 citations81
US4050513ASep 27, 1977

Method of treating a high temperature formation to permit the use therein of temperature sensitive hydrophilic, viscosity increasing polymers

TEXACO INC22 citations81
US5046561ASep 10, 1991

Application of multiphase generation process in a CO2 flood for high temperature reservoirs

TEXACO INC9 citations72
US4515215AMay 7, 1985

Steam injection method with constant rate of heat

TEXACO INC16 citations70