of;
Geosciences;
and;
Technology,;
Southwest;
Petroleum;
University,;
Chengdu;
610500,;
China;
Key;
Laboratory;
of;
Oil;
and;
Gas;
Reservoir;
Geology;
and;
Exploitation,;
Southwest;
Petroleum;
University,;
Chengdu;
610500,;
China;
Institute;
of;
Exploration;
and;
Developmernt,;
Tarim;
Oil;
and;
Gas;
Branch;
Company,;
Kurla;
841000,;
China;
Institute;
of;
Geology;
and;
Palaeontology,;
Chinese;
Academy;
of;
Sciences,;
Nanjing;
210008,;
China;