PENENTUAN ESTIMATE REMAINING RESERVES MENGGUNAKAN DECLINE CURVE ANALYSIS DAN PENENTUAN TITIK SERAP UNTUK PERENCANAAN PENGEMBANGAN PADA LAPISAN “A” LAPANGAN “MGT”

GUTERRES, MARGARETA MARIA APARICIO (2023) PENENTUAN ESTIMATE REMAINING RESERVES MENGGUNAKAN DECLINE CURVE ANALYSIS DAN PENENTUAN TITIK SERAP UNTUK PERENCANAAN PENGEMBANGAN PADA LAPISAN “A” LAPANGAN “MGT”. Masters thesis, UPN 'Veteran" Yogyakarta.

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Abstract

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ABSTRACT
Layer-A is one of the layers contained in the "MGT" Field located in the
southern part of the Kampar Block, Central Sumatra Basin, in this layer there has
been a decrease in the production rate curve. Layer-A Field “MGT” has been
producing since November 1970 with a total of 21 active wells. Layer-A "MGT"
field has an OOIP of 18.62 MMSTB with cumulative oil production up to January
2019 of 4.63 MSTB and a recovery factor of 24.9%. Judging from the small
cumulative value of production and recovery factor, it is estimated that in this layer
there are still residual oil reserves, so it is necessary to calculate the reserve at Layer�A Field "MGT".
The calculation of reserves is carried out using the decline curve analysis
method, the results of which will be used as a consideration in determining the
scenario for the development of a field. The estimation of residual oil reserves using
the decline curve method begins with grouping production data, selecting the
declining trend from the production rate over time, and determining the type of
decline curve using the X2 Chi-Square Test method. After that, predict the
production rate to qlimit, calculate the production life of the layer, Estimate
Ultimate Recovery (EUR), Recovery Factor (RF), and Estimate Remaining
Reserves (ERR) or residual oil reserves. By knowing a large number of residual oil
reserves and the potential for the field to be developed, several field development
scenarios can be made to increase the amount of oil production gain in Layer-A of
the “MGT" Field.
The results of the decline curve analysis on Layer-A "MGT" Field are
obtained exponential Decline curve type with layer-A qlimit of 10 BOPD, layer
production age up to June 1, 2030, EUR 4,850,581 MMSTB, RF 26.04%, ERR
212.436 STB. Because the RF value is still too small, a scenario for developing
infill drilling is carried out to increase oil recovery. The development plan for
Layer-A Field “MGT” is carried out by making 2 scenarios of infill drilling
development. Based on the results of the recovery factor for each scenario, scenario
2 has a recovery factor greater than the recovery factor for the other scenarios, which
is 36.12%. Therefore, scenario 2 is chosen as the best scenario that can be used as
a basis for consideration in the "MGT" Field Layer-A development plan.

Item Type: Thesis (Masters)
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User: Eko Yuli
Date Deposited: 04 Jan 2023 01:30
Last Modified: 04 Jan 2023 01:30
URI: http://eprints.upnyk.ac.id/id/eprint/32177

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