INVESTIGATION OF ENHANCED OIL RECOVERY BY SURFACTIN FLOODING IN A MICRO MODEL AND CORE

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AMANI HOSSEIN

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Journal: PETROLEUM RESEARCH Year:2015 | Volume:25 | Issue:81 Page(s): 55-65

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Title

INVESTIGATION OF ENHANCED OIL RECOVERY BY SURFACTIN FLOODING IN A MICRO MODEL AND CORE

Author(s)

AMANI HOSSEIN | Issue Writer Certificate

Keywords

BIO SURFACTANTQ1

SURFACTINQ2

MICRO MODELQ1

COREQ2

MICROBIAL ENHANCED OIL RECOVERYQ2

Abstract

The surfactants produced by bacteria are known as BIO SURFACTANTs. Low toxicity and high biodegradability are among the main characteristics of these surface active materials. These features make BIO SURFACTANTs potential alternatives for chemically synthesized surfactants in a variety of applications such as MICROBIAL ENHANCED OIL RECOVERY. One of the best known BIO SURFACTANTs, i.e. SURFACTIN, is a cyclic lip opeptide produced by various strains of Bacillus subtilis. In this work, the production of sur- factin by Bacillus subtilis NLiM 0110 isolated from an Iranian agricultural area was studied. The produced SURFACTIN showed a good surface activity and was able to reduce the surface tension of water from 69 mN/m to 26 mN/m and the interfacial tension from 38 mN/m to 2 mN/m at 50 mg/I (CMC concentration). The oil spread- ing technique showed that the diameter of appeared clear zone on the oil layer increased immediately as the produced BIO SURFACTANT was added at CMC concen- tration. Also, in visual experiments, the effect of produced SURFACTIN on enhanced oil recovery was studied using a MICRO MODEL. Oil displacement experiments in the MICRO MODEL with crude oil showed a recovery of residual oil around 10.1 % after water flooding when the BIO SURFACTANT of Bacillus subtilis NLiM 0110 was added. Moreover, 4.9% of the original oil in place was recovered using this BIO SURFACTANT after water flooding in the CORE. These results suggest that the produced BIO SURFACTANT is an appropriate candidate for enhanced oil recovery.

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APA: Copy

AMANI, HOSSEIN. (2015). INVESTIGATION OF ENHANCED OIL RECOVERY BY SURFACTIN FLOODING IN A MICRO MODEL AND CORE. PETROLEUM RESEARCH, 25(81), 55-65. SID. https://sid.ir/paper/114654/en

Vancouver: Copy

AMANI HOSSEIN. INVESTIGATION OF ENHANCED OIL RECOVERY BY SURFACTIN FLOODING IN A MICRO MODEL AND CORE. PETROLEUM RESEARCH[Internet]. 2015;25(81):55-65. Available from: https://sid.ir/paper/114654/en

IEEE: Copy

HOSSEIN AMANI, “INVESTIGATION OF ENHANCED OIL RECOVERY BY SURFACTIN FLOODING IN A MICRO MODEL AND CORE,” PETROLEUM RESEARCH, vol. 25, no. 81, pp. 55–65, 2015, [Online]. Available: https://sid.ir/paper/114654/en

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