Reksono, Aldien Ringga (2023) PENENTUAN ZONA PROSPEK HIDROKARBON UNTUK DILAKUKAN PINDAH LAPISAN PADA SUMUR PENGEMBANGAN “AR-304” LAPANGAN “AKP” BERDASARKAN INTERPRETASI LOG. Other thesis, UPN "Veteran" Yogyajarta.
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Abstract
vi
RINGKASAN
PENENTUAN ZONA PROSPEK HIDROKARBON UNTUK
DILAKUKAN PINDAH LAPISAN PADA SUMUR
PENGEMBANGAN “AR-304” LAPANGAN “AKP”
BERDASARKAN INTERPRETASI LOG
Oleh
Aldien Ringga Reksono
NIM: 113190146
(Program Studi Sarjana Teknik Perminyakan)
Lapangan “AKP” berada di Cekungan Sumatera Tengah, Provinsi Riau, terdapat
sumur pengembangan AR-304. Sehingga perlu dilakukan analisa petrofisk dengan
tujuan untuk mengetahui sifat fisik batuan dan fluida formasi pada sumur
pengembangan AR-304, selain itu juga perlu dilakukannya penentuan top dan
bottom zona yang berpontensi prospek baru serta memperkirakan cadangan mula-
mula pada sumur AR-304 ini.
Penilitian ini dilakukan dengan analisa kualitatif dan kuantitatif. Analisa kualitatif
dilakukan dengan cara interpretasi kombinasi lithology tools, resistivity tools, dan
porosity tools. Pada analisa kuantitatif dilakukan perhitungan volume shale,
porositas, dan saturasi air. Perhitungan volume shale dilakukan dengan gamma ray
log. Untuk perhitungan porositas menggunakan metode porositas log neutron-
density. Sedangkan pada perhitungan saturasi air, dilakukan perhitungan dengan
menggunakan metode Simandoux Equation. Setelah melakukan analisa kuantitatif,
maka tahapan selanjutnya adalah dengan menentukan nilai cut off untuk volume
shale, porositas, dan saturasi air. Penentuan nilai cut off ini bertujuan untuk
memberi batasan pada volume shale, porositas, dan saturasi air agar mendapatkan
ketebalan net pay dari zona yang prospek.
Dari analisa secara kualitatif dan kuantitatif, didapatkan 6 zona prospek pada sumur
AR-304. Cut off volume shale sebesar 32%, porositas sebesar 15%, dan saturasi air
sebesar 65%. Setalah mendapatkan nilai cut off, maka dilakukan pay summary
dalam bentuk reservoir lumping. Didapatkan nilai net pay pada 6 zona prospek
sumur AR-304, nilai netpay pada tiap zona ini yang kemudian digunakan untuk
menghitung oil in place pada masing masing zona prospek. Sehingga didapatkan
bahwa terdapat 3 zona yang diusulkan sebagai zona prospek baru untuk dilakukan
kerja ulang pindah lapisan, yaitu zona 4 dengan in palce sebesar 2.2594 MMSTB,
zona 1 dengan in palce sebesar 2.0147 MMSTB, zona 6 dengan in palce sebesar
1.8522 MMSTB.
Kata kunci: Analisa Petrofisik, well logging, Zona Prospek, Cut off, Oil In Place
vii
ABSTRACT
DETERMINATION OF HYDROCARBON PROSPECT ZONE
FOR LAYER TRANSFER IN “AR-304” DEVELOPMENT WELL
“AKP” FIELD BASED ON LOG INTERPRETATION
By
Aldien Ringga Reksono
NIM: 113190146
(Petroleum Engineering Undergraduated Program)
The "AKP" field is in the Central Sumatra Basin, Riau Province. There is a
development well AR-304. So it is necessary to carry out a petroscopic analysis
with the aim of knowing the physical properties of the rock and formation fluid in
the development well AR-304, besides that it is also necessary to determine the top
and bottom zones that have the potential for new prospects and estimate the initial
reserves in the well. AR-304's.
This research was conducted with qualitative and quantitative analysis. Qualitative
analysis was carried out by interpreting a combination of lithology tools, resistivity
tools, and porosity tools. In the quantitative analysis, shale volume, porosity and
water saturation were calculated. Calculation of shale volume is done by gamma
ray log. The porosity calculation uses the neutron-density log porosity method.
While in the calculation of water saturation, calculations are carried out using the
Simandoux Equation method. After carrying out a quantitative analysis, the next
step is to determine the cut-off values for shale volume, porosity and water
saturation. Determination of this cut off value aims to provide limits on shale
volume, porosity, and water saturation in order to obtain the thickness of the net
pay from the prospect zone.
From the qualitative and quantitative analysis, 6 prospect zones were obtained in
the AR-304 well. Cut off shale volume is 32%, porosity is 15%, and water saturation
is 65%. After obtaining the cut-off value, a pay summary is carried out in the form
of a lumping reservoir. Net pay values were obtained in 6 prospect zones for the
AR-304 well, net pay values in each of these zones were then used to calculate oil
in place in each prospect zone. So it was found that there were 3 zones proposed as
new prospect zones for rework moving layers, namely zone 4 with an in place of
2.2594 MMSTB, zone 1 with an in place of 2.0147 MMSTB, zone 6 with an in place
of 1.8522 MMSTB.
Keywords: Petrophysical Analysis, well logging, Cut off, Oil In Place
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Petrophysical Analysis, well logging, Cut off, Oil In Place |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 23 Jun 2023 06:56 |
| Last Modified: | 23 Jun 2023 06:56 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/36150 |
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