[1]PetroChina Research Institute of Petroleum Exploration & Development;
Langfang 065007;
China;
[2]Changqing Downhole Technology Company;
CNPC Chuanqing Drilling Engineering Co.;
Ltd.;
Xi’an 710018;
China;
[3]National Engineering Laboratory for Exploration and Development of Low-Permeability Oil and Gas Fields;
Xi’an 710018;
China;
[2]Changqing Downhole Technology Company;
CNPC Chuanqing Drilling Engineering Co.;
Ltd.;
Xi’an 710018;
China;
[3]National Engineering Laboratory for Exploration and Development of Low-Permeability Oil and Gas Fields;
Xi’an 710018;
China;
[4]PetroChina Research Institute of Petroleum Exploration & Development;
Bejing 100083;
China;
[5]PetroChina Coalbed Methane Company Limited (Xinzhou Branch);
Baode 041000;
China;
[6]Changqing Headquarters of CNPC Chuanqing Drilling Engineering Co.;
Ltd.;
Xi’an 710018;
China;
[2]Changqing Downhole Technology Company;
CNPC Chuanqing Drilling Engineering Co.;
Ltd.;
Xi’an 710018;
China;
[3]National Engineering Laboratory for Exploration and Development of Low-Permeability Oil and Gas Fields;
Xi’an 710018;
China;
tight gas; fracturing; advanced production decline analysis; fracture conductivity; space variable conductivity; time variable conductivity; stress sensitivity;