Propping agent and method of propping open fractures in the wall

Details Propping agent and method of propping open fractures in the wall Propping agent and method of propping open fractures in the wall

1976-03-19

1978-02-07

Purser, Ernest R.

Wells

Processes

Specific propping feature

E21B 4326

Patent

active

040721930

ABSTRACT:
A propping agent for fractures produced in the walls of a bored well comprising a granular or particulate product containing on the basis of its oxide content up to 85% by weight zirconium oxide (ZrO.sub.2) in a quantity which is such that the weight ratio of ZrO.sub.2 /SiO.sub.2 is equal to or greater than 1.5, alumina (Al.sub.2 O.sub.3) in a quantity which is such that the weight ratio Al.sub.2 O.sub.3 /SiO.sub.2 is between 0 and 1.5 and sodium oxide (Na.sub.2 O) in a quantity which is such that the weight ratio Na.sub.2 O/SiO.sub.2 is between 0 and 0.04.

REFERENCES:
patent: 3373815 (1968-03-01), Kiel et al.
patent: 3437148 (1969-04-01), Colpoys
patent: 3701383 (1972-10-01), Richardson et al.
patent: 3976138 (1976-08-01), Colpoys et al.

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