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THE INVESTIGATION AND DEVELOPMENT OF THE OVER-DRILL BIT HYDRODYNAMIC DEVICES FOR INCREASING THE EFFICIENCY OF THE ROTOR METHOD OF DRILLING

By Balgazu Nurgasievich Kituev

Abstract

The purpose of the work: the development of structures of the drilling tool dynamic process regulators and its analytical investigation with a view to increasing the technicoeconomic indicators in drilling of the deep fuel and gaseous wells by the rotor method. The mathematical model, allowing to determine the dynamic action on theface, the coefficients of the dynamics depending on the drill bit rotational speed and the length of the active area of KNBK, has been offered. The optimum place of the shock absorber arrangement in the set of KNBK with the rotor drilling has been determined. The new construction of the hydromechanical shock absorber-dispergator has been obtained. The development of the drilling column bottom assembly with the dynamically active area with the rotor drilling has been realized. The hydrodynamic shock absorber-dispergator has been introduced in the PA "Aktubinskneft", more than 20000 m has been drilled. The mechanical speed has been increased by 21,6%Available from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Topics: 08L - Mining, 13I - Machinery, tools, MINING, MECHANICAL ENGINEERING
Year: 1992
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Provided by: OpenGrey Repository
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