Chapter
Apr 26, 2012

Frictional Force Analysis on Drilling String in Horizontal Branch Section

Publication: ICPTT 2011: Sustainable Solutions For Water, Sewer, Gas, And Oil Pipelines

Abstract

BHA friction calculation is always one critical problem of multilateral well in the drilling process and design. As the changes of the borehole curvature, the drilling tool friction will be increased and drilling capacity will be decreased, even because the bit can't put pressure and early damage to the drill string. Thus it is not only related to the safety of drilling, but also will increase oil production cost. In this paper, the differential equation for the frictional resistance on the drill string in branch horizontal wells was established and the total drill string friction during tripping was got.

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Go to ICPTT 2011
ICPTT 2011: Sustainable Solutions For Water, Sewer, Gas, And Oil Pipelines
Pages: 243 - 249

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Published online: Apr 26, 2012

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Professor, Petroleum Engineering Faculty, Northeast Petroleum University; No.199, FaZhan Road, Daqing 163318.E-mail: [email protected]
Associate Manager, Faculty of Petroleum Engineering, Northeast Petroleum University; No.199, Fazhan Road, High-tech development zone, Daqing 163318.E-mail: [email protected]
Xiaofeng Sun [email protected]
Teaching Assistant, Faculty of Petroleum Engineering, Northeast Petroleum University; No.199, FazhanRoad, High-tech development zone, Daqing 163318.E-mail: [email protected]
Master, Faculty of Petroleum Engineering, Northeast Petroleum University; No.199, FazhanRoad, High-tech development zone, Daqing 163318.E-mail: [email protected]

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