Wells – Processes – Chemical inter-reaction of two or more introduced materials
Patent
1982-03-04
1983-09-27
Novosad, Stephen J.
Wells
Processes
Chemical inter-reaction of two or more introduced materials
E21B 4322
Patent
active
044063270
ABSTRACT:
A recovery of attic oil, from a location within a subterranean reservoir between the top of the reservoir and the uppermost opening into a well encountering the reservoir, is improved by injecting fluid comprising or containing a nitrogen-gas-generating solution arranged to yield heat and gas within the reservoir, keeping the injected fluid static long enough for the reservoir to be heated and gas to migrate upward and then producing fluid in response to a gas cap drive.
REFERENCES:
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patent: 4205723 (1980-06-01), Clauset, Jr.
patent: 4219083 (1980-08-01), Richardson et al.
patent: 4232741 (1980-11-01), Richardson et al.
patent: 4265309 (1981-05-01), Magnie
patent: 4330037 (1982-05-01), Richardson et al.
Morrow, "Updip Oil Recovery by Downdip Gas Injection", The Petroleum Engineer, Apr. 1959, vol. 29, No. 4, pp. 28-32.
Bleakley, "Chevron's Attic-Oil Recovery South Louisiana Looks Good", Oil and Gas Journal, Nov. 13, 1967, pp. 132-134.
Strickland et al., "Gas Injection for Upstructure Oil Drainage", Journal of Petroleum Technology, Oct. 1979, pp. 1323-1331.
Fair Walter B.
Richardson Edwin A.
Novosad Stephen J.
Shell Oil Company
Suchfield George A.
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