Wells – Processes – Sampling well fluid
Patent
1988-11-23
1990-04-10
Novosad, Stephen J.
Wells
Processes
Sampling well fluid
166184, 166240, 166297, E21B 3410, E21B 43117, E21B 4908
Patent
active
049151711
ABSTRACT:
An above packer perforate, test and sample tool. The tool includes a tester valve which is positioned above a well packer and which has a bypass which provides communication between a well annulus above the packer and a firing mechanism for guns positioned below the packer. When the well annulus pressure is raised, the firing mechanism is triggered. The bypass may be closed prior to firing of the guns, and after perforation, a valve in the tester valve may be opened to flow a sample of well fluid into a sampling chamber located above the tester valve. A method of testing a well formation utilizing the apparatus is also disclosed.
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U.S. patent application Ser. No. 064,285 to Christensen, filed 6-19-87, continuation of which was filed 9-12-88, as Ser. No. 07/244,627, and a second continuation of which was filed 2-15-89, as Ser. No. 07/312,323, a notice of allowance has been received for the most recent continuation, (U.S. Pat. No. 4,878,538 to issue 11/7/89).
Halliburton Services Sales & Service Catalog No. 43, pp. 2548 and 2533-2534, published in 1985.
Engineered Weld Complation Products Catalog of Vann Systems, pp. B-5 through B-8 was published at least as early as Jan. 1, 1988.
GEO Vann Engineered Weld Completions Catalog, p. B-22, published in Nov., 1981.
Duzan James R.
Halliburton Company
Kennedy Neal R.
Novosad Stephen J.
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