Research on Determination of the Main Factors Influencing the Gas Well Post-Frac Productivity Prediction for Tight Sandstone Reservoirs Based on Factors Analysis

Bi-Ci Jiang, Bao-Zhi Pan, Hai-Tao Zhang, Xiao-Ming ang, Gang Chen, Wen-Bin Liu

China Coal Research Institute Xi’an Science and Industry Group, Xi’an, China.
China University of Petroleum (East China), Qingdao, China.
Jilin University, Changchun, China.
Research Institute of Exploration and Development, Petro Changqing Oilfield Company, Xi’an, China.

DOI: 10.4236/gep.2014.23008                

Abstract

With the characteristics such as low porosity, low permeability and low gas saturation, tight sandstone reservoirs almost have no natural capacity and need to be fractured (or fracturing) for productivity. Therefore, fracturing capacity prediction is very necessary. However there were so many factors, and the relations between the factor and the post-frac productivity are complex. In this study, first of all factors are concluded from the gas well stable productivity formula, then I used factor analysis to look for the main factors from the logging parameters and fracturing parameters in SULIGE area. This study could provide basal references for the gas post-frac productivity prediction in tight sandstone reservoirs.

Keywords

Factor Analysis, Tight Sandstone, SULIGE Region, Post-Frac Productivity

Conflicts of Interest

The authors declare no conflicts of interest.

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