"REPORTER of the Association of Drilling Contractors" N 2, 2010

HYDRODYNAMIC PRESSURE CONTROL DURING BALANCED DRILLING WITHIN THE “WELL-FORMATION” SYSTEM

Boris A. Dotsenko – postgraduate student, the Gubkin University of Oil and Gas
Aleksandr S. Oganov – Ph.D. in Technical Sciences, professor, general director,  Association of Drilling Contractors, the Gubkin University of Oil and Gas
Aleksandr D. Polikarpov – Ph.D. in Technical Sciences, director for research, CJSC “Oktopus”
ООО «Газпромэнергодиагностика»

УДК 622.24; 622.245.7
Key words: balanced drilling, “micro-flux” control technology, backpressure, choke manifold, backpressure pump.

Expansion of drilling in complex geological environments  calls for further improvement of  well drilling and balancing technologies, i.e. technologies to keep the downhole pressure equal or almost equal to the formation pressure. Today, one of the advanced methods of well monitoring is the “micro-flux” control technology that on an ongoing basis compares the volumes of fluid pumped in and flowing out of the well. This automatically performed comparison of drilling mud volumes allows to regulate backpressure and restore the balance in the event that a fault occurs.

HYDRODYNAMIC PRESSURE CONTROL DURING BALANCED DRILLING WITHIN THE “WELL-FORMATION” SYSTEM

Boris A. Dotsenko – postgraduate student, the Gubkin University of Oil and Gas
Aleksandr S. Oganov – Ph.D. in Technical Sciences, professor, general director,  Association of Drilling Contractors, the Gubkin University of Oil and Gas
Aleksandr D. Polikarpov – Ph.D. in Technical Sciences, director for research, CJSC “Oktopus”

Key words: balanced drilling, “micro-flux” control technology, backpressure, choke manifold, backpressure pump.

Expansion of drilling in complex geological environments  calls for further improvement of  well drilling and balancing technologies, i.e. technologies to keep the downhole pressure equal or almost equal to the formation pressure. Today, one of the advanced methods of well monitoring is the “micro-flux” control technology that on an ongoing basis compares the volumes of fluid pumped in and flowing out of the well. This automatically performed comparison of drilling mud volumes allows to regulate backpressure and restore the balance in the event that a fault occurs.

 

 

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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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