stratigraphic well

Automatic vertical drilling tool can ensure a vertical wall, at the same time effectively release drilling pressure, which can be well applied in oil and gas exploration of high and steep stratigraphic in western China.

自动垂直钻井工具能在保证井眼垂直的条件下，有效释放钻压，能够很好的应用于我国西部高陡构造地层的油气开采。

Based on analysis of the DSI logging data of clastic sequence in well D-2 in the Junggar Basin, the stratigraphic anisotropy and maximum horizontal crustal stress in the well was evaluated.

对准噶尔盆地董2井碎屑岩地层的偶极横波成像（DSI）测井资料进行了处理分析，并利用处理结果对该井的地层各向异性和地层最大水平地应力进行了评价。

The stratigraphic structure can be learned according to electric well logs.

根据电测井曲线可以了解地层构造.

A study on the drilling stratigraphic correlation and prognostic method of regional geology exploration well

区域地质探井的随钻地层对比及预测方法研究