Project supported by the National Science and Technology Major Project(Grant No.2016ZX05020-006);the National Natural Science Foundation of China(Grant No.U1762216);the National Key Basic Research Development Program of China(973 Program,Grant No.2015CB251200);the National Key Research and Development Program of China(Grant No.2017YFC0307304)
The formation of a cutting bed in an annulus involves safety problems in drilling especially in the horizontal well and the directional well. In this work, three axial laminar velocity field calculation models for the...
financially supported by the National Basic Research Program of China(973 Program,Grant No.2011CB013702);the National Natural Science Foundation of China(Grant No.51379214);the National High Technology Research and Development Program of China(863 Program,Grant No.2008AA092701-3)
Jacket cutting operation is one of the most complicated and highest risk operations in the process of decommissioning offshore piled platform, the security and stability of which must be assured. In this paper, the cu...