Modeling of steam-assisted gravity drainage technology and assessment of anthropogenic aftereffects of steam injection cessation
UDC: 622.276.6
DOI: -
Authors:
PYATIBRATOV P.V.
1,
MARKIN V.A.1
1 National University of Oil and Gas "Gubkin University", Moscow, Russia
Keywords: oil field development, enhanced oil recovery, steam-assisted gravity drainage technology, steam-assisted gravity drainage (SAGD) technology, high-viscous oil, extra-heavy oil, technogenic aftereffects, express assessment of steam-oil ratio, land surface subsidence
Annotation:
The authors of the article substantiate wells operation modes when implementing steam-assisted gravity drainage technology in an extra-heavy oil field and assess the technogenic aftereffects of steam injection cessation. The field under consideration is characterized by a high oil viscosity (≈ 25000 mPa·s), which makes traditional oil extraction technologies ineffective and necessitates the use of thermal enhanced oil recovery methods. Low reservoir pressure and temperature present additional challenges of this field development. One of the most effective technologies to be used in such high-viscous oil conditions is the classical steam-assisted gravity drainage (SAGD) technology, which involves forming a steam chamber in the reservoir by injecting steam into a horizontal injection well located above a horizontal production well. The authors of the article also present the results of 3D hydrodynamic modeling, express assessment of the limiting steam-oil ratio, and analytical evaluation of land surface subsidence in case of steam injection cessation.
Bibliography:
1. Eremin N.A., Pyatibratov P.V., Skvortsov A.S. Vysokotekhnologichnye skvazhiny s bionicheskim profilem dlya razrabotki mestorozhdeniy s vysokovyazkoy i bituminoznoy neft'yu // Tr. RGU nefti i gaza im. I.M. Gubkina. – 2022. – № 2(307). – S. 117–135. – DOI: 10.33285/2073-9028-2022-2(307)-117-135
2. Pyatibratov P.V., Amerkhanov M.I. Otsenka massy para, neobkhodimoy dlya podderzhaniya temperatury v parovoy kamere pri realizatsii tekhnologii SAGD // Neft. khoz-vo. – 2023. – № 4. – S. 61–65. – DOI: 10.24887/0028-2448-2023-4-61-65
3. Pyatibratov P.V., Pel'meneva A.A. Ekspress-otsenka predel'nogo paroneftyanogo otnosheniya dlya mestorozhdeniya vysokovyazkoy nefti, razrabatyvaemogo pri paroteplovom vozdeystvii // Tr. RGU nefti i gaza im. I.M. Gubkina. – 2022. – № 3(308). – S. 67–76. – DOI: 10.33285/2073-9028-2022-3(308)-67-76
4. Kuz'min Yu.O. Sovremennaya geodinamika i otsenka geodinamicheskogo riska pri nedropol'zovanii. – M.: Agentstvo ekonomicheskikh novostey, 1999. – 220 s.
5. Zhukov V.S., Kuz'min Yu.O., Poloudin G.A. Otsenka protsessov prosedaniya zemnoy poverkhnosti pri razrabotke gazovykh mestorozhdeniy (na primere Severo-Stavropol'skogo mestorozhdeniya) // Geologiya, geofizika i razrab. neftyanykh i gazovykh mestorozhdeniy. – 2002. – № 7. – S. 54–57.
6. Kuz'min Yu.O. Tektonofizicheskie osnovy identifikatsii geodinamicheskoy opasnosti neftegazovykh ob"ektov // Georesursy, geoenergetika, geopolitika. – 2011. – № 1(3). – S. 7.
7. Zhukov V.S., Kuz'min D.K. Otsenka vliyaniya razrabotki Chayandinskogo mestorozhdeniya na prosadki zemnoy poverkhnosti // Geofizicheskie protsessy i biosfera. – 2023. – T. 22, № 1. – S. 73–84. – DOI: 10.21455/GPB2023.1-5
Back to issue