Oilfield flooding polymer

Details Oilfield flooding polymer Oilfield flooding polymer

1984-09-19

1986-09-09

Ivy, C. Warren

Wells

Processes

Distinct, separate injection and producing wells

252 855D;8.551, 526304, E21B 4322

Patent

active

046103058

ABSTRACT:
A monomer, polymers containing the monomer, and the use of the polymer in oilfield flooding is disclosed. The subject monomer is represented by the general formula: ##STR1## wherein: n is an integer from 0 to about 4; m is an integer from 0 to about 6; a is an integer equal to at least 1 except where m is equal to 0, a must equal 0 and where m is equal to 1, a must equal 0 or 1; p is an integer from 2 to about 10; b is an integer equal to at least 1 and is of sufficient magnitude that the ratio b/p is at least 0.2; and q is an integer from 0 to 2. The number of hydroxy groups in the monomer is believed to be critical, and therefore the sum of (a+b) divided by the sum (m+p) should be at least 0.2. The moieties linked to the acrylic nitrogen can be joined to provide a ringed structure.

REFERENCES:
patent: 2520381 (1950-08-01), Carnes
patent: 4326969 (1982-04-01), Hunter
patent: 4358355 (1982-11-01), Kalu
patent: 4452916 (1984-06-01), Boschetti
Lee, et al., Handbook of Epoxy Resins, McGraw-Hill, NY, 1968, pp. 5-33 and 5-39.

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