Compositions – Leather or fur treating
Patent
1984-09-19
1986-12-09
Guynn, Herbert B.
Compositions
Leather or fur treating
166308, E21B 4300, E21B 4326
Patent
active
046279261
ABSTRACT:
A method of completing a subterranean formation of an oil or gas well to increase the recovery of hydrocarbons from the producing reservoir which comprises dissolving about 0.25 to about 20 lb/bbl of a water soluble terpolymer in an aqueous solution to viscosify said aqueous solution and pumping said aqueous solution with said water base terpolymer dissolved therein into said well to control the sub-surface pressures of said well, wherein said terpolymer has the formula: ##STR1## wherein x is about 70 to about 98 mole %, y is about 1 to about 15 mole %, z is about 1 to about 15 mole %, wherein y and z are less than 60 mole %, and M is selected from the group consisting of amines and a metallic cation being selected from the group consisting of lead, iron, aluminum, Groups IA, IIA, IB and II of the Periodic Table of Elements.
REFERENCES:
patent: 4046197 (1977-09-01), Gruesbeck et al.
patent: 4225445 (1980-09-01), Dixon
patent: 4336145 (1982-06-01), Briscoe
patent: 4460758 (1984-07-01), Peiffer et al.
patent: 4490261 (1984-12-01), Heilweil
Lundberg Robert D.
Newlove John
Peiffer Dennis G.
Sedillo Lawrence P.
Exxon Research and Engineering Company
Guynn Herbert B.
Nanfeldt Richard E.
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