Faculty;
of;
Petroleum;
Engineering,;
China;
University;
of;
Petroleum,;
Beijing;
102249,;
China;
Great;
Wall;
Drilling;
Co.,;
Beijing;
100724,;
China;
Research;
Institute;
of;
Production;
Technology,;
Xinjiang;
Petroleum;
Administrative;
Bureau,;
Xinjiang;
834000,;
China;
Chenghao;
Section;
of;
No.;
2;
Production;
Plant,;
Changqing;
Oilfield;
of;
CNPC,;
Gansu;
745106,;
China;