"Bulletin of the Association of Drilling Contractors" №3, 2019

ABOUT THE ROTATION OF THE DRILL STRING DURING OPERATION OF A POSITIVE DISPLACEMENT MOTOR WITH A DRILL BIT

Simonyants S.S. – Doctor of Technical Sciences, Professor, Gubkin Russian State University of Oil and Gas (National Research University), ssturbo@mail.ru ssturbo@mail.ru
All Tai Mustafa – Postgraduate student, Gubkin Russian State University of Oil and Gas (National Research University), mustafa.altaee@mail.ru mustafa.altaee@mail.ru

УДК 622.24

Key words
: well drilling, downhole screw motor, drill string.

The operation of a positive displacement motor (PDM) during the rotation of the drill pipe (DP) is considered. It is shown that the braking mode of the PDM is especially dangerous during the rotation of the DP. A formula has been obtained for determining the rotational speed of the PDM and the bit, taking into account the rotation of the DP.

ABOUT THE ROTATION OF THE DRILL STRING DURING OPERATION OF A POSITIVE DISPLACEMENT MOTOR WITH A DRILL BIT

Simonyants S.L. – Doctor of Technical Science, Professor, Gubkin Russian State University of Oil and Gas (National Research University), ssturbo@mail.ru
All Tai Mustafa – Postgraduate student, Gubkin Russian State University of Oil and Gas (National Research University), mustafa.altaee@mail.ru


Key words: well drilling, downhole screw motor, drill string.

The operation of a positive displacement motor (PDM) during the rotation of the drill pipe (DP) is considered. It is shown that the braking mode of the PDM is especially dangerous during the rotation of the DP. A formula has been obtained for determining the rotational speed of the PDM and the bit, taking into account the rotation of the DP.

 

Издан 4 номер за 2021 год ежеквартального научно — технического и производственного журнала "Bulletin of the Association of Drilling Contractors"

ISSN 2073-9877

The scientific and technical journal, “Bulletin of the Association of Drilling Contractors”, is listed by the Higher Attestation Commission of the RF Ministry of Education and Science as one of the leading refereed journals and publications that feature main scientific results of doctoral and candidate’s dissertations.

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