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casing drilling
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套管钻井
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casing drilling
套管钻井
用套管代替传统钻杆作为钻柱,将顶驱或转盘上的机械动力和泥浆泵的液压动力传递到钻头,套管柱在钻进的同时起到封隔井眼和地层作用的技术。
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Steiner curve
Steiner deltoid
Steiner Education in Theory and Practice
Steiner ellipse
Steiner hypocycloid
Steiner inellipse
Steiner point
Steiner porism
Steiner problem
Steiner quadruple system
Steiner segment problem
Steiner set
Steiner surface
Steiner symmetrization
Steiner system
Steiner theorem
Steiner tree
Steiner tree problem
Steiner triangle
Steiner triple system
Steinhaus
Steinhaus dimension
Steinhaus dissection
Steinhaus-Moser notation
Steinhaus property
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