Kornuta V. Improvement of drilling bit cones and cutting structure with taking into account their stress state

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0411U004319

Thesis Registration Form

0411U004319.pdf

Applicant for

Kornuta Volodymyr Andrijovych

Specialization

05.05.12 - Машини нафтової та газової промисловості

Date of defense

06-07-2011

Specialized Academic Board

Д 20.052.04

Ivano-Frankivsk National University of Oil and Gas

Essay

This Ph. D. thesis is devoted to solving scientific and practical problem of improving the bits cutting structure reliability by improving the design of fixing carbide teeth in the bit cones with taking into account modelling their stress state. A new con-struction of connection “compacts-cone” is offered.

Thesis supervisor

Draganchuk Oksana Teodorivna

Official opponents

Петрина Юрій Дмитрович
Кунцяк Ярослав Васильович

Files

Aref.doc

dis1.doc

dis2.doc

dis3.doc

dis4.doc

dis5.doc

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