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论述了钻井施工的井筒马头门所处的岩性及受力情况，提出了曲墙底拱封闭断面、复合支护结构的马头门设计型式，并成功地应用于陈四楼矿中央风井马头门，获得了良好效果。
This paper discusses the lithology and stress conditions of the wellbore Matoumen during drilling construction, puts forward the design of the Matoumen with the closed section of the curved wall and the bottom of the arch, and the composite support structure. It has been successfully applied to the central wind Well horse head door, get good results.