Wells – Processes – Cleaning or unloading well
Patent
1997-04-08
1999-06-22
Suchfield, George
Wells
Processes
Cleaning or unloading well
166222, 166312, 166387, E21B 3708
Patent
active
059133651
ABSTRACT:
A method for removing a gravel-pack screen from a wellbore. of a well which has been "gravel packed". When it is desired to remove the screen from the wellbore, a washstring is lowered down the wellbore and into the interior of said screen. A wash fluid is then flowed fluid down the washstring and out through said screen into said mass of gravel surrounding the screen to fluidize, loosen, and remove said gravel. Once the mass of gravel has been loosen, the screen can then lifted upward out of said wellbore by applying a normal upward force the workstring which suspends the screen within the well.
REFERENCES:
patent: 1379815 (1921-05-01), Hall
patent: 2120988 (1938-06-01), Park
patent: 2149417 (1939-03-01), Brown
patent: 2186309 (1940-01-01), Travis
patent: 2213987 (1940-09-01), Layne
patent: 2290141 (1942-07-01), Burt
patent: 2356769 (1944-08-01), Layne
patent: 2677428 (1954-05-01), Clark
patent: 4037661 (1977-07-01), Ford
patent: 4040486 (1977-08-01), Kirkland, Jr.
patent: 4671359 (1987-06-01), Renfro
patent: 4694901 (1987-09-01), Skinner
patent: 4763728 (1988-08-01), Lacey
patent: 4856590 (1989-08-01), Caillier
patent: 4909325 (1990-03-01), Hopmann
patent: 5533571 (1996-07-01), Surjaatmadja
patent: 5603378 (1997-02-01), Alford
Keen Malcolm D.
Mobil Oil Corporation
Suchfield George
LandOfFree
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