Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate
2005-10-26
2009-11-03
Dang, Hoang (Department: 3672)
Wells
Processes
Cementing, plugging or consolidating
C166S177400, C166S187000
Reexamination Certificate
active
07610963
ABSTRACT:
A method and device for displacement of a first fluid by means of a second fluid in a borehole (1) in the ground, where, during displacement, the second fluid is kept separate from the first fluid, and where the volume of an expandable space (22) in which the second fluid is to be located following the displacement, increases during inflow of the second fluid.
REFERENCES:
patent: 2828823 (1958-04-01), Mounce
patent: 3524503 (1970-08-01), Baker
patent: 3948322 (1976-04-01), Baker
patent: RE29830 (1978-11-01), Scott
patent: 4155404 (1979-05-01), Hollingsworth
patent: 4782892 (1988-11-01), Ostbo
patent: 5526878 (1996-06-01), Duell et al.
patent: 5718288 (1998-02-01), Bertet et al.
patent: 5738171 (1998-04-01), Szarka
patent: 6044906 (2000-04-01), Saltel
patent: 1209470 (1986-08-01), None
patent: 2320734 (1998-07-01), None
patent: 740935 (1980-06-01), None
patent: WO 91/19882 (1991-12-01), None
Eversen Steffen
Unsgaard Tom
Dang Hoang
HPI AS
Patents & TMS P.C.
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