Signals and indicators – Indicators – Rotary indicator with actuating means
Patent
1995-03-16
1996-09-17
Suchfield, George A.
Signals and indicators
Indicators
Rotary indicator with actuating means
166294, 166300, E21B 33138
Patent
active
055559360
ABSTRACT:
The permeability of a subterranean reservoir can be more easily controlled by first injecting a crosslinking agent solution and then subsequently injecting a scleroglucan solution to thereby form, in situ, crosslinked scleroglucan gel. This reverse order of injection allows for a more homogeneous gel propagation without substantial risk of plugging.
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patent: 4617132 (1986-10-01), Dalrymple et al.
patent: 4640358 (1987-02-01), Sampath
patent: 4647312 (1987-03-01), Sampath
patent: 4706754 (1987-11-01), Smith
patent: 5089149 (1992-02-01), Ridland et al.
Gadioux Jacques
Pirri Rosangela
Riveno Richard
Societe Nationale Elf Aquitaine
Suchfield George A.
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