Chinese oil network news September 12th, Jidong Nanpu 5-82 wells igneous rock gas reservoir fracturing successfully completed construction, single sand 125 cubic meters, hit a new record of Jidong Oilfield single sand volume, opened the Nanpu No. 5 structure of gas reservoir fracturing development prelude.
Nanpu 5-82 well is located in No. 5 of Nanpu, with large frictional resistance, high lithology and high fracture pressure gradient, and it is difficult and risky to construct. At the same time, the reservoir temperature is up to 160 to 170 degrees Celsius, the development of natural fractures, clay content is high, reservoir water sensitivity is strong, the integrity of the fracturing fluid requires high performance.
Jidong Oilfield by reducing near wellbore friction, the "slippery water + rubber + linear gel volume fracturing ideas, the implementation of small diameter proppant pulse sand, construction of large displacement, low sand ratio, effective communication of natural fracture, expand the reservoir volume. Actively carry out technological transformation expert reservoir fracturing fluid system temperature resistance, anti swelling, interfacial tension and optimization of slippery water system resistance reducing performance evaluation and matching, provide technical support for high temperature reservoir fracturing construction.
Jidong Oilfield optimized on-site organization, to ensure the smooth implementation of igneous rock gas reservoir fracturing construction.
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