The significance of concealed work,the main forms of concealing,causes of problems concerning concealed work,as well as means dealing with them are expounded.

Identified effects of Jurassic subtle traps in Junggar basin.;

Study on the reservoir formation modes of subtle traps;

Types of the Paleogene slope-break zones and distribution of the subtle traps in Gaoliu area of Nanpu Sag;

Sequence stratigraphy and subtle reservoir of Aershan Formation in Baorao Trough of Jiergalangtu Sag;

Exploration technology for subtle reservoirs in Qianjiang sag.;

A new method to study provenance and subtle reservoir using continental elements and terrigenous minerals;