Fluid handling – Processes – Involving pressure control
Reexamination Certificate
2002-02-08
2004-11-16
Chambers, A. Michael (Department: 3753)
Fluid handling
Processes
Involving pressure control
C137S351000, C137S565300, C137S573000, C137S574000
Reexamination Certificate
active
06817376
ABSTRACT:
BACKGROUND
This invention relates to a gel hydration tank and method for hydrating gels for use in oil and gas well treatment operations.
Well treatment fluids are often used in oil or gas wells for well completion procedures, to acidify the well formation, and/or increase the recovery of hydrocarbons from the well by creating fractures in the formations, and the like. Many well treatment fluids of this type are composed of water and polymer gel agents and are usually formed by transporting an appropriate polymer gel agent to the well site and mixing it with excess water before the mixture is transferred to a hydration tank. The mixture is introduced into the hydration tank and the finished fluid is withdrawn from the tank on a continuum, yet the mixture must be maintained in the tank an optimum time to allow the polymer gel agent to become hydrated to form a high viscosity well treatment fluid. Thus, the design of the hydration tank is important to ensure the above and thus form an optimum well treatment fluid.
REFERENCES:
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patent: 1976879 (1934-10-01), Ewer
patent: 2047539 (1936-07-01), Wolf
patent: 2137300 (1938-11-01), Allen
patent: 2980131 (1961-04-01), Williams
patent: 3126906 (1964-03-01), Touzalin et al.
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patent: 4828034 (1989-05-01), Constien et al.
patent: 5046856 (1991-09-01), McIntire
patent: 5052486 (1991-10-01), Wilson
A PowerPoint presentation, initially authored by James McGough, was given to a customer on Jan. 23, 2001. The PowerPoint presentation is entitled “Conoco Hydration Tank.”
Experimental field testing of the above reference invention occured on Jan. 25, 2001.
Johnson Johnny W.
McGough James A.
Morgan Rickey L.
Morgan Ronnie G.
Spaulding Michael R.
Chambers A. Michael
Halliburton Energy Service,s Inc.
Kice Warren B.
Wustenberg John W.
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