Wells – Processes – Producing the well
Reexamination Certificate
2005-02-11
2010-10-26
Bomar, Shane (Department: 3676)
Wells
Processes
Producing the well
C166S373000, C166S320000
Reexamination Certificate
active
07819196
ABSTRACT:
A method and a device in connection with an actuator intended for use in connection with a fluid flow or fluid reservoir, in particular an actuator that is designed to be used in connection with a drainage pipe (8) for the production of oil and/or gas in an oil and/or gas reservoir. An osmotic cell (9) is used to operate the actuator (10). The osmotic cell is placed in the fluid flow, whereby the necessary force and motion for the actuator (10) to adjust or drive a fluid control device or valve are achieved by utilizing the osmotic pressure difference between the solution in the cell (9) and an external fluid flow/reservoir in relation to the cell.
REFERENCES:
patent: 6069118 (2000-05-01), Hinkel et al.
patent: 6313545 (2001-11-01), Finley et al.
patent: 3121968 (1982-12-01), None
patent: 0 588 421 (1999-11-01), None
patent: 1 050 338 (2003-07-01), None
patent: 969958 (1982-10-01), None
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patent: 02/075110 (2002-09-01), None
Chinese Office Action (in English language) issued Feb. 12, 2010 in corresponding Chinese Patent Application No. 200580005450.9.
Bomar Shane
Fuller Robert E
Norsk Hydro ASA
Wenderoth , Lind & Ponack, L.L.P.
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