Production performance of water alternate gas injection techniques for enhanced oil recovery: Effect of WAG ratio, number of WAG cycles and the type of injection gas

Bhatia, J and Srivastava, J P and Sharma, A and Sangwai, J S (2014) Production performance of water alternate gas injection techniques for enhanced oil recovery: Effect of WAG ratio, number of WAG cycles and the type of injection gas. International Journal of Oil, Gas and Coal Technology, 7 (2). pp. 132-151. ISSN 1753-3309

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Abstract

Production performance of a water alternate gas injection (WAG) method has been reported for the effect of several operating parameters, such as, WAG injection cycles, viz., single cycle WAG and five-cycle WAG and the tapered WAG at the reservoir conditions of 120°C and 230 kg/cm2 for hydrocarbon gas and CO2 gas. It is observed that the number of cycles in the WAG injection process affects the recovery of oil from the core sample. It is of oil initially in place. The observations on the effect of gases revealed that the CO2 gas with five-cycle WAG process gives higher incremental recovery than the five cycle WAG process using hydrocarbon gas. It is observed that the saturation profile of CO2 WAG injection shows the better gas saturation in the core as against the hydrocarbon gas in the WAG process

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IITH Creators:
IITH CreatorsORCiD
Sharma, AUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Enhanced oil recovery; EOR; Gas trapping; HCPV; Hydrocarbon pore volume; Incremental oil recovery; WAG; Water alternate gas
Subjects: ?? sub4.9 ??
Divisions: Department of Mechanical & Aerospace Engineering
Depositing User: Team Library
Date Deposited: 29 Dec 2014 06:56
Last Modified: 21 Jan 2016 06:16
URI: http://raiith.iith.ac.in/id/eprint/1259
Publisher URL: http://dox.doi.org/10.1504/IJOGCT.2014.059323
OA policy: http://www.sherpa.ac.uk/romeo/issn/1753-3309/
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