Inventor
STEVENSON MARK D
US15 patents
⚠️ This page may combine multiple inventors who share the name “STEVENSON MARK D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ATLANTIC RICHFIELD CO
11 patentsUS6032737AMar 7, 2000
Method and system for increasing oil production from an oil well producing a mixture of oil and gas
ATLANTIC RICHFIELD CO58 citations96
US6209641B1Apr 3, 2001
Method and apparatus for producing fluids while injecting gas through the same wellbore
ATLANTIC RICHFIELD CO58 citations95
US6039116AMar 21, 2000
Oil and gas production with periodic gas injection
ATLANTIC RICHFIELD CO79 citations95
US6283204B1Sep 4, 2001
Oil and gas production with downhole separation and reinjection of gas
ATLANTIC RICHFIELD CO55 citations92
US6189614B1Feb 20, 2001
Oil and gas production with downhole separation and compression of gas
ATLANTIC RICHFIELD CO33 citations92
US6056054AMay 2, 2000
Method and system for separating and injecting water in a wellbore
ATLANTIC RICHFIELD CO29 citations92
US6035934AMar 14, 2000
Method and system for separating and injecting gas in a wellbore
ATLANTIC RICHFIELD CO49 citations92
US6026901AFeb 22, 2000
Method and system for separating and injecting gas in a wellbore
ATLANTIC RICHFIELD CO35 citations92
US5988275ANov 23, 1999
Method and system for separating and injecting gas and water in a wellbore
ATLANTIC RICHFIELD CO39 citations92
US6260619B1Jul 17, 2001
Oil and gas production with downhole separation and compression of gas
ATLANTIC RICHFIELD CO32 citations91
US6053249AApr 25, 2000
Method and apparatus for injecting gas into a subterranean formation
ATLANTIC RICHFIELD CO18 citations83