Method for scale inhibition in a well penetrating a subterranean

Details Method for scale inhibition in a well penetrating a subterranean Method for scale inhibition in a well penetrating a subterranean

1986-08-07

1988-05-03

Suchfield, George A.

Wells

Processes

Material placed in pores of formation to treat resident...

166371, 166902, 252 8552, E21B 4102

Patent

active

047414006

ABSTRACT:
In an improved method for inhibiting the formation of scale in a well penetrating a subterranean formation for the production of fluids from said formation, said method including injecting at least one scale inhibitor into said formation through said well so that said scale inhibitor is thereafter slowly released from said formation to inhibit the formation of scale, the improvement comprising: injecting at least one polymeric material into said well in an amount effective to prolong said scale formation inhibition, said polymeric material having a composition different from said scale inhibitor and being a copolymer derived from at least one first monomer having a maleic moiety and at least one second monomer selected from the group consisting of acrylic acid, methacrylic acid and mixtures thereof.

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patent: 4602683 (1986-07-01), Meyers

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