Drogomyrets'kyj Y. Increasing of the rolling-cutter drilling bit life used in low-rotational drilling

Українська версія

Thesis for the degree of Doctor of Science (DSc)

State registration number

0599U000456

Thesis Registration Form

0599U000456.pdf

Applicant for

Specialization

  • 05.05.12 - Машини нафтової та газової промисловості

22-10-1999

Specialized Academic Board

Д 20.052.04

Ivano-Frankivsk National University of Oil and Gas

Essay

Object of researches - rolling-cutter drilling bit; the purpose of researches - increasing of the rolling-cutter drilling bit life used in low-rotational drilling; methods in use and equipment - analytical, experimental and industrial researches of rolling-cutter stay's elements; theoretical and practical results - the ways of increasing of the bit stay's life are elaborated; the tests of oil adds and compositions are conducted; innovation - the compaction structure, the content of flushing hole and oil adds to drilling mud are developed; the degree of introduction -the developments have been tested under industrial conditions; sphere (branch) of use - drilling enterprises and bit plants.

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