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SAND FRACTURING TECHNOLOGY IN WUBAOCHANG GAS FIELD

Jian Yang, Cnpc Sichuan

Abstract

Shaximiao gas reservoir of Wubaochang gas field belongs to the low porosity and low permeability tight layers, there are natural cracks and many microfracture in formation. These effects on sand fracturing must be taken into account carefully. During routine sand fracturing in Wubaochang Qian well 2, sand sealing was formed in lower segment, but definite productivity was obtained. Through analysis, correlation and summarization of the sand fracturing technology in the Qian Well 2 of Shaximiao gas reservoir, some opinions on sand fracturing technology for Wubaochang gas field have been put forward.

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Key concepts: Petroleum engineering, Geology, Natural gas field, Natural gas, Automatic summarization, Permeability (electromagnetism), Hydraulic fracturing, Geotechnical engineering