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reverse circulation continuous coring
释义
reverse circulation continuous coring
Encyclopedia
理学
钻进工艺
释
reverse circulation continuous coring
反循环连续取心
采用双壁钻杆钻进,冲洗液(或空气)从双壁钻杆内外管环状间隙泵入,从钻杆内管内返出地面,同时连续不断地把岩心岩样携带至地表的取心方法。
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dimensionless time parameter
dimensionless unit
dimensionless variable
dimension lumber
dimension number
dimension of a cell
dimension of a complex
dimension of affine set
dimension of a lattice
dimension of algebraic group
dimension of a linear space
dimension of a linear system
dimension of a manifold
dimension of an element
dimension of an ideal
dimension of an offine variety
dimension of a physical quantity
dimension of a polyhedron
dimension of a projective variety
dimension of a representation
dimension of a sieve
dimension of a simplex
dimension of a space
dimension of a variety
dimension of connectivity
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