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Vol 157
Pages:
44-47
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Rational placement of teeth in the peripheral rings of the drill bit cones

Authors:
Yu. G. Matveev1
A. N. Popov2
A. A. Chekhov3
About authors
  • 1 — Ufa State Petroleum Engineering University
  • 2 — Ufa State Petroleum Engineering University
  • 3 — Ufa State Petroleum Engineering University
Date submitted:
2003-07-01
Date accepted:
2003-08-24
Date published:
2004-02-01

Abstract

The work of the carbide peripheral armament of roller cones is analyzed by graphoanalytical method. It is shown that the task of ensuring the effective operation of this armature remains relevant. The main factors reducing the efficiency are the formation of slats on the peripheral and pre-peripheral parts of the bottom hole and spiral protrusions on the borehole wall. A solution to this problem is proposed and substantiated by means of pairwise placement of teeth in double-row peripheral crowns in combination with additional undercutting teeth on the periphery of the cones.

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References

  1. А.с. № 1627643 СССР, МКИ Е 21 В 10/16. Буровое трехшарошечное долото / А.Н.Попов, Б.Н.Трушкин, А.В.Торгашов и др. // Изобретения. 1991. Бюл. № 6.
  2. Шарошечные долота: Международный транслятор-справочник / Под ред. В.Я.Кершенбаума и А.В.Торгашова. АНО «Технонефтегаз». М., 2000.
  3. Патент 2215111 РФ, МКИ Е 21 В 10/16. Буровое трехшарошечное долото / Р.А.Исмаков, А.Н.Попов, Ю.Г.Матвеев и др. // Изобретения. 2003. Бюл. № 30.
  4. Попов А.Н. Расчет ожидаемых передаточных отношений шарошечного долота / А.Н.Попов, Р.А.Исмаков // Горный вестник. 1999. № 2-3.
  5. Трушкин Б.Н. Программа графоаналитического анализа формирования поверхности забоя венцами шарошек / Б.Н.Трушкин, А.М.Мавлютов, А.Н.Попов // Актуальные проблемы проектирования, производства и эксплуатации изделий машиностроения: Доклад Всероссийской научно-технической конференции. Самара, 2001.

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