Formation treatment method using deformable particles

Details Formation treatment method using deformable particles Formation treatment method using deformable particles

E - Fixed Constructions

21

B

E21B 43/26 (2006.01) C09K 8/80 (2006.01) E21B 43/267 (2006.01)

Patent

CA 2308372

A subterranean formation is treated by injecting a blend of fracture proppant material (20) and a deformable particulate material (10) into the formation. The deformable particulate material (10) may combine with fracture proppant material (20) to increase fracture conductivity, reduce fines generation, and/or reduce proppant flowback. The fracture proppant material may be a material such as sand, and the deformable particulate material may be a material such as polystyrene divinylbenzene beads.

Selon l'invention, on traite une formation souterraine en y injectant un mélange constitué d'un matériau de soutènement de fracture (20) et d'un matériau particulaire déformable (10). Le matériau particulaire déformable (10) peut se combiner avec le matériau de soutènement de fracture (20) pour augmenter la conductibilité de la fracture, réduire la production de fines et/ou réduire le reflux de matériau de soutènement. Le matériau de soutènement de fracture peut être un matériau tel que du sable, et le matériau particulaire déformable peut être constitué de perles de polystyrène divinylbenzène.

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