Uji Laboratorium Pemilihan Surfaktan Polimer Tahap Eor Untuk Meningkatkan Perolehan Minyak Lapangan X

Hermiza, M. Farid (2022) Uji Laboratorium Pemilihan Surfaktan Polimer Tahap Eor Untuk Meningkatkan Perolehan Minyak Lapangan X. Other thesis, Universitas Islam Riau.

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Abstract

Field X currently has large oil reserves around 251.67 million STBO. The Enhanced Oil Recovery (EOR) method is applied because it can increase the amount of oil production in field X to more than 20% of the total oil reserves. This method was tested on a laboratory scale before being applied in the field. The method can be used on a laboratory scale is by screening polymer surfactants for the EOR method based on fluid characteristics and reservoir type. The surfactants used are the synthesis of nonionic surfactants sourced from palm oils, and anionic surfactants. The polymer used was a hydrolized polyacrylamide (HPAM) polymer. The purpose of this experiment in the laboratory is to find the optimal composition of polymer surfactants, so the oil that is still in the reservoir can be produced optimally. The screening that we can do such as IFT test, viscosity vs shear rate test, filtration test, thermal stability test, phase behavior test, adsorption test, and the last is the coreflooding test. The coreflooding test design was carried out in various stages. The first stage is water injection. The second step is to inject the surfactant polymer. The third stage is polymer injection. The fourth stage is injection of water again. From the results of the coreflooding test, it is known that the largest oil production yield is around 93.75% IOIP.

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