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Application

97103910/03, 1997-03-12

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Actual filing date

1997-03-12

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Published

1998-12-27

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Inventor

Ishemguzhin I.E.Jamaliev V.U.Pashinskij V.V.Ishemguzhin E.I.Kozlov M.N.Nazarov S.V.Galeev Eh.M.Ljagov A.V.

(73)

Holder

Ufimskij Gosudarstvennyj Neftjanoj Tekhnicheskij Universitet

METHOD FOR REGULATION OF AXIAL THRUST ON BIT IN DRILLING BORE-HOLES Russian patent published in 1998 - IPC

Abstract RU 2124125 C1

FIELD: oil and gas production industry. SUBSTANCE: this relates to checking and measuring of parameters in process of drilling bore-holes for oil and gas. According to method, calculated at starting moment of drilling are positive α1 and negative α2 changes in variations on axial thrust on bit and their values are assumed as criterion of optimality. Optimal axial thrust on bit in process of drilling is maintained by retaining current values of positive and negative αcur1,2

changes in variation of axial thrust within corresponding αcur1
 ≤ α1 and αcur2
 ≤ α2. Application of aforesaid said method increases accuracy in regulation of axial thrust on bit. EFFECT: higher efficiency. 2 dwg

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RU 2 124 125 C1

Authors

Ishemguzhin I.E.

Jamaliev V.U.

Pashinskij V.V.

Ishemguzhin E.I.

Kozlov M.N.

Nazarov S.V.

Galeev Eh.M.

Ljagov A.V.

Dates

1998-12-27—Published

1997-03-12—Filed

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