Segment Acidfracturing Techniques for Horizontal Well in Carbonate Reservoirs in Weak Seismic Reflection Area in Tarim Basin

Abstract

Abstract: The weak seismic reflection area in carbonate reservoirs of Tahe oilfield in Tarim basin has low abundant of crude oil reserves which can be effectively produced only by horizontal drilling and segment acid?fracturing process, but using this process, many technical challenges must be faced due to its developed natural fractures, ultra?deep, high temperature and high crack pressure reservoir properties.Based on the investigation of horizontal well segment acid?fracturing techniques and reservoir geologic characteristics in this area, this paper presents the string design, liquid selection and acid?fracturing parameter optimization, by which the field test has been gained successfully in A Well, with good commercial oil flow. This is of significance to the effective producing of unconventional and undeveloped reserves

CLC Number:

TE357.1

LI Chunyue, ZHANG Ye, SONG Zhifeng, ZHANG Zelan, HU Yajie, YANG Fangzheng, WANG Yang. Segment Acidfracturing Techniques for Horizontal Well in Carbonate Reservoirs in Weak Seismic Reflection Area in Tarim Basin[J]. , 2013, 34(6): 1-1.

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Segment Acidfracturing Techniques for Horizontal Well in Carbonate Reservoirs in Weak Seismic Reflection Area in Tarim Basin

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