Department;
of;
Earth;
Resource;
Sciences,;
University;
of;
Petroleum,;
Dongying;
257062,;
China;
Department;
of;
Earth;
Resource;
Sciences,;
University;
of;
Petroleum,;
Dongying;
257062,;
China;
Department;
of;
Earth;
Resource;
Sciences,;
University;
of;
Petroleum,;
Dongying;
257062,;
China;
Bureau;
of;
Petroleum;
Exploration;
of;
Henan;
Province,;
Nanyang;
473000,;
China;
Bureau;
of;
Petroleum;
Exploration;
of;
Henan;
Province,;
Nanyang;
473000,;
China;
Bureau;
of;
Petroleum;
Exploration;
of;
Henan;
Province,;
Nanyang;
473000,;
China;
quartz; dissolution,; alkaline; diagenesis,; secondary; porosity,; Biyang; depression.;