Institute;
of;
Geology,;
Research;
Institute;
of;
Petroleum;
Exploration;
and;
Development,;
Beijing;
100083,;
China;
Research;
Institute;
of;
Petroleum;
Exploration;
and;
Development,;
Beijing;
100083,;
China;
Testing;
Center;
of;
Petroleum;
Geology,;
Research;
Institute;
of;
Petroleum;
Exploration;
and;
Development,;
Beijing;
100083,;
China;
Chengdu;
Institute;
of;
Geology;
and;
Mineral;
Resources,;
Chengdu;
610082,;
China;