Wave machines and processes in drilling wells in complex hydrodynamic conditions

This paper presents mathematical models for describing the dynamics of solid particles in a wave field during drilling and rock colmatation in formations with low pressure. It is experimentally found that the efficiency of wave colmatation of a sandstone sample begins to significantly decrease at a...

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Bibliographic Details
Published in:Journal of machinery manufacture and reliability 2015-12, Vol.44 (7), p.573-579
Main Authors: Ganiev, R. F., Shamov, N. A.
Format: Article
Language:English
Subjects:
Engineering
Machines
Manufacturing
Processes
Online Access:Get full text
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Summary:This paper presents mathematical models for describing the dynamics of solid particles in a wave field during drilling and rock colmatation in formations with low pressure. It is experimentally found that the efficiency of wave colmatation of a sandstone sample begins to significantly decrease at a differential pressure of less than 0.5 MPa and more than 1.4 MPa. Several versions of special drilling equipment have been developed.
ISSN:1052-6188
1934-9394
DOI:10.3103/S1052618815070080