2011•Natural Gas Technology and EconomyRequires access
Sand-added Coiled Tubing Integral of Drilling-fluid System
Ying Chen
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Abstract
Coiled-tubing fracturing technology has been applied to Sichuan-Chongqing area in recent years. Along with an improvement of fracturing technology, fracturing-fluid system has been innovated. In this area, fracturing-fluid technology, applied to many gas wells, include not only the foam-drainage fracturing fluid with delayed crosslinking effect but also the newly recyclable fracturing-fluid system. These two can better meet the requirement from sand-added coiled-tubing technology. And their application to five wells obtained an expected stimulation effect.