03960213 is referenced by 20 patents and cites 5 patents.

A method of producing bitumen from a subterranean tar sand formation by the following multi-step method. First, an injection well is drilled to the formation and extended into the formation. Subsequent thereto, a perforated liner is inserted into the injection well extending the entire length thereof and having the perforations provided in the portion of the injection well in contact with the formation. Next, a plurality of production wells are drilled and completed into the formation positioned above and along the length of the injection well. Thereafter, a heated fluid is circulated through the injection well contacting the formation via the perforations and thereby reducing the viscosity of the bitumen contained therein rendering same mobile. Subsequently, the mobilized bitumen is recovered through the plurality of production wells.

Title
Production of bitumen by steam injection
Application Number
5/584516
Publication Number
3960213
Application Date
June 6, 1975
Publication Date
June 1, 1976
Inventor
Eddie Paul Howell
Plano
TX, US
John Howard Striegler
Richardson
TX, US
Agent
Ronnie D Wilson
Assignee
Atlantic Richfield Company
CA, US
IPC
E21B 43/24
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