Lithologies of Chang6 oil bearing set in Lijiacha area is grayish moderate-fine grain arkose in which intercalated beds are deep grey sandy shale and black mudstone.

Analysis of the genesis of the water-rich oil reservoir in the Lijiacha prospect area in the east of the northern Shaanxi slope;

The researches are done in this paper on the design of the ballast track variable width continuous beam structure in the turnout area of Hanjiang Major Bridge with main spans(48+3×80+48m)of Xiamen-Shenzhen railway from areas of bridge deck layout,structure style and construction program.

Aim To study the petroleum accumulation patterns of JianYuCha area,Methods Through the synthetic study of Oil and gas migration,source-reservoir-caprock association,reservoir type and control factors,analysis the reservoir patterns.