"Bulletin of the Association of Drilling Contractors" №1, 2019

APPLICATION OF SIDETRACK DRILLING TECHNOLOGY FOR THE RESTORATION OF GAS WELLS ON CENOMANIAN STRATUM IN THE WESTERN SIBERIA FIELDS

Oganov G.S. – Doctor of Technical Sciences, Professor, First Deputy General Director, Krasnoyarskgazprom Neftegazproekt LLC, shelf1998@mail.ru shelf1998@mail.ru
Potapov A.V. – postgraduate student, Gubkin Russian State University of Oil and Gas (National Research University), Potapov_Andrew@bk.ru Potapov_Andrew@bk.ru

УДК 622.24

Key words: Western Siberia, side track (ST), sidetracking, well profile, whipstock, milling bit, reduction in drilling costs.

Maintaining the productivity of marginal wells and recovery of inactive wells is one of the priority tasks for effective development of hydrocarbon fields. Presently, for these purposes, the technology of sidetracking from casing strings is widely used. The largest number of sidetracking operations in the Russian Federation, especially in the gas fields are conducted in Western Siberia. The article presents a brief history of the development of sidetracking technology, analyzes the results of the work, details the main aspects related to the application of the technology, and provides recommendations for the design of sidetracking using the example of a typical gas well on Cenomanian stratum in the Western Siberia fields.

APPLICATION OF SIDETRACK DRILLING TECHNOLOGY FOR THE RESTORATION OF GAS WELLS ON CENOMANIAN STRATUM IN THE WESTERN SIBERIA FIELDS

Oganov G.S. – Doctor of Technical Sciences, Professor, First Deputy General Director, Krasnoyarskgazprom Neftegazproekt LLC, shelf1998@mail.ru
Potapov A.V. – postgraduate student, Gubkin Russian State University of Oil and Gas (National Research University), Potapov_Andrew@bk.ru

Key words: Western Siberia, side track (ST), sidetracking, well profile, whipstock, milling bit, reduction in drilling costs.

Maintaining the productivity of marginal wells and recovery of inactive wells is one of the priority tasks for effective development of hydrocarbon fields. Presently, for these purposes, the technology of sidetracking from casing strings is widely used. The largest number of sidetracking operations in the Russian Federation, especially in the gas fields are conducted in Western Siberia. The article presents a brief history of the development of sidetracking technology, analyzes the results of the work, details the main aspects related to the application of the technology, and provides recommendations for the design of sidetracking using the example of a typical gas well on Cenomanian stratum in the Western Siberia fields.

 

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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