«Equipment and technologies for oil and gas complex»

Analysis of high-viscosity oil production techniques and technologies at the facilities of "Ritek"

UDC: 622.24/622.276
DOI: -

Authors:

¹ RITEK, Moscow, Russia
² National University of Oil and Gas "Gubkin University", Moscow, Russia

Keywords: high-viscous oil, high-viscous emulsion, thermal effect, thermochemical effect, injection of carbon dioxide, injection of solvents, downhole pumping units, special pump designs

Annotation:

More than a quarter of "RITEK" LLC's proven oil reserves fall for the share of high-viscous and ultra-high-viscous oil. Deposits with high-viscous and ultra-viscous oil require the use of energy-saving, innovative technologies for the development and operation as well as innovative types of oilfield equipment. Profitable extraction of hard-to-recover hydrocarbon resources is one of the priorities of "RITEK" LLC. To solve this problem, a wide range of technological and technical solutions related to thermal, thermochemical and gas impacts on a reservoir is used, including special operating modes of oilfield equipment operation, using innovative designs of borehole pumping units for high-viscous oil production. The use of thermal and thermochemical impacts on a reservoir allowed for additional oil production. For the first time in Russia, carbon dioxide (CO2) injection using Huff & Puff technology was carried out at the production facilities of "RITEK" LLC to intensify high-viscosity oil production. The efficiency of using special designs of downhole sucker-rod pumps for intensification of high-viscous oil extraction has been determined.

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