Results of the application of heat-resistant plugging materials for well casting during thermal production methods
UDC: 622.245.422.6
DOI: 10.33285/0130-3872-2023-1(361)-31-34
Authors:
MELEKHOV ALEXANDER V.
1,
OVCHINNIKOV VASILY P.1,
ANTONOV VASILY V.1,
PETROV ALEXANDER O.2
1 Tyumen Industrial University, Tyumen, Russia
2 Ural State Technical University, Yekaterinburg, Russia
Keywords: heat resistance, thermal corrosion, thermal gas treatment of the formation, heat-resistant backfill materials, heat-resistant cements
Annotation:
At present, one of the promising directions of the oil industry development is the extraction of unconventional hydrocarbon resources from kerogen-containing rocks, such as extra-heavy oils and bitumen. The main resources of unconventional hydrocarbons in Russia are concentrated in the rocks of the Bazhenov formation and Dominica. The main of high-viscous hydrocarbons recovery enhancement are thermal methods of production, when the body and wells cementing are subjected to significant thermal effects. The well construction practice in such conditions shows that the use of standard methods of casing strings cementing often does not provide the required annulus isolation. The reliable isolation of the annular space when applying thermal production methods requires development of special heat-resistant compositions with increased resistance to thermal corrosion.
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