PROCEDURE FOR PRODUCTION OF FLUIDS FROM ACIDULOUS CEMENTED SECTIONS OF UNDERGROUND BEDS Russian patent published in 2011 - IPC E21B43/22 E21B43/27 E21B43/267 C09K8/56 C09K8/72 

Abstract RU 2434126 C2

FIELD: oil and gas production.

SUBSTANCE: procedure for stimulation and stabilisation of region of underground bed consists in: delivery of acidulous liquid into region of underground bed and allowing acid, at least partially, to dissolve part of region of underground bed, in pumping cementing liquid containing agent increasing stickiness and including water stickiness increasing agent, in delivery of liquid for successive flushing into region of underground bed and in pumping replacing liquid into underground bed directly upon stage of delivery of acidulous liquid into region of underground bed.

EFFECT: increase and maintaining well output.

55 cl

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RU 2 434 126 C2

Authors

Ngujen Filip D.

Dates

2011-11-20Published

2005-10-06Filed