At present the study on gas drilling in terms of borehole deviation mechanism and control method is very few and has not form a theory of large scale systems at home and aboard.

国内外对气体钻井井斜机理及控制方面研究较少，还没有形成系统的理论和技术。

youdao

At present the study on gas drilling in terms of borehole deviation mechanism and control method is very few and has not form a theory of large scale systems at home and aboard.

国内外对气体钻井井斜机理及控制方面研究较少，还没有形成系统的理论和技术。

youdao