06032737 is referenced by 25 patents and cites 17 patents.

A method and system for increasing oil production from an oil well producing a mixture of oil and gas at an elevated pressure through a wellbore penetrating an oil-bearing formation containing an oil-bearing zone and an injection zone, by separating at least a portion of the gas from the mixture of oil and gas to produce a separated gas and an oil-enriched mixture; utilizing energy from at least a portion of the mixture of oil and gas to compress at a surface at least a portion of the separated gas to produce a compressed gas having sufficient pressure to be injected into the injection zone; injecting the compressed gas into the injection zone; and recovering at least a major portion of the oil-enriched mixture.

Title
Method and system for increasing oil production from an oil well producing a mixture of oil and gas
Application Number
9/56272
Publication Number
6032737
Application Date
April 7, 1998
Publication Date
March 7, 2000
Inventor
David D Hearn
Anchorage
AK, US
James L Cawvey
Anchorage
AK, US
John M Klein
Anchorage
AK, US
Mark D Stevenson
Anchorage
AK, US
Jerry L Brady
Anchorage
AK, US
Agent
F Lindsey Scott
Assignee
Atlantic Richfield Company
CA, US
IPC
E21B 43/38
View Original Source