E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/267 (2006.01) C09K 8/72 (2006.01) E21B 43/22 (2006.01)
Patent
CA 2758335
Methods comprising: providing a degradable polymer within a portion of a subterranean formation; introducing a base solution into the portion of the subterranean formation, wherein the base solution comprises at least one base selected from the group consisting of: ammonium hydroxide, an alcoholic alkaline solution, and an alkaline amine solution, and derivatives thereof; and allowing the base solution to degrade the degradable polymer.
Cette invention concerne des procédés consistant à fournir un polymère dégradable à l'intérieur d'une portion d'une formation souterraine; à introduire une solution de base dans la portion de la formation souterraine, la solution de base comprenant au moins une base choisie dans le groupe constitué par l'hydroxyde d'ammonium, une solution alcaline alcoolique, et une solution alcaline aminée, et leurs dérivés; et à laisser la solution de base dégrader le polymère dégradable.
Saini Rajesh K.
Todd Bradley L.
Halliburton Energy Services Inc.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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