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
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 ...


3
Yick M Shum, Margaret A Hight, Alfred Brown: Steamflood process employing horizontal and vertical wells. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, March 1, 1988: US04727937 (45 worldwide citation)

An oil recovery process employing a well pattern having a horizontal well located along each of the four sides of a substantially rectangular well pattern, a vertical injection well located at the center of the well pattern, and four vertical infill wells located midway between the central injection ...


4
Alfred Brown, Marc F Fontaine, Margaret A Hight: Patterns having horizontal and vertical wells. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, January 12, 1988: US04718485 (45 worldwide citation)

The invention is a well pattern containing at least one substantially horizontal production well approximately located on and parallel to an axis running between two substantially vertical production wells with the horizontal well having a length equal to about 30% to about 60% of the distance betwe ...


5
Wann Sheng Huang, Margaret A Hight: Parallel horizontal wells. Texaco, Jack H Park, Kenneth L Priem, Harold J Delhommer, October 20, 1987: US04700779 (21 worldwide citation)

The disclosed invention is a method of recovering hydrocarbons through parallel horizontal wells by use of steam and water injection. Steam is injected into two parallel horizontal wells to stimulate the formation and then the second horizontal well is converted to a production well. About the time ...


6
Margaret A Hight: Patterns of vertical and horizontal wells for improving oil recovery efficiency. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, January 20, 1987: US04637461 (16 worldwide citation)

The disclosed invention is a method of recovering hydrocarbons from an underground formation by employing modified inverted 9 spot and modified inverted 13 spot well patterns which contain substantially horizontal wells completed between the substantially vertically corner and side wells of the inve ...


7
Wann Sheng Huang, Margaret A Hight: Horizontal wells at corners of vertical well patterns for improving oil recovery efficiency. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, May 5, 1987: US04662441 (15 worldwide citation)

The disclosed invention is a pattern for recovering hydrocarbons by employing modified inverted 5 spot, modified inverted 9 spot and modified inverted 13 spot well patterns which contain pairs of horizontal wells substituted for the vertical wells drilled at the four corners of the well patterns.


8
Wann Sheng Huang, Margaret A Hight: Modified 7 spot patterns of horizontal and vertical wells for improving oil recovery efficiency. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, August 11, 1987: US04685515 (15 worldwide citation)

The invention is a method of recovering hydrocarbons from an underground formation by employing modified 7 spot well patterns which contain six substantially vertical corner wells forming a substantially hexagonal well pattern and six substantially horizontal wells located within the hexagonal well ...


9
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, March 3, 1987: US04646824 (10 worldwide citation)

The disclosed invention is a method of recovering hydrocarbons by employing a modified 9 spot well pattern which contains a vertical central well, four vertical corner injection wells and four horizontal wells as the side wells in the pattern. The horizontal side wells are aligned on axes perpendicu ...


10
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, February 24, 1987: US04645003 (9 worldwide citation)

The disclosed invention is a method of recovering hydrocarbons by employing a seven well pattern comprising five horizontal production wells and two vertical injection wells. Four of the horizontal wells form the four sides of a substantially rectangular pattern with the fifth horizontal well aligne ...