Investigasi Pengaruh Penerapan Cylic Water Injection (CWI) Terhadap Performa Reservoir Pada Lapangan GF

Futur, Lazuardhy Vozika (2019) Investigasi Pengaruh Penerapan Cylic Water Injection (CWI) Terhadap Performa Reservoir Pada Lapangan GF. Other thesis, Universitas Islam Riau.

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Abstract

Cyclic water injection is a recovery method that increases oil and gas production cumulative. This method aims to maintain reservoir pressure and also as a means to sweep oil that can not be done by continuous water injection. The purpose of this study is to see the effect of applying cyclic water injection and analyze the parameters that affect the increases oil and gas production cumulative, in this study tracer is used to track fluid movement in the reservoir. This study focuses on the selection of the best scenario based on several parameters. GF field has been carried out by water injection over the past few years, many water injection schemes have been implemented to increase oil and gas production in this field, even injection of CO2 and water alternating gas has been applied in this field, the application of cyclic water injection aims to increase oil and gas production. In order to anticipate CO2 injection which of course will take a lot of costs. Basically, during the cyclic water injection, the water injection rate is carried out alternately between the high injection rate and the injection is stopped, with the same cumulative injection water as continuous water injection that making this method feasible to apply. From this study, incremental oil production cumulative by 7,643 %, incremental gas production cumulative by 10,679 % and watercut 5,451 % decreased. The novelty of this study is to increase production at the GF field without making gas injection and can save costs.

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