ANALISA HASIL DATA UJI PRESSURE BUILD UP DAN MODIFIED ISOCHRONAL UNTUK MENGETAHUI KONDISI RESERVOIR DAN PRODUKTIVITAS SUMUR GAS “PNF” LAPANGAN “BYN”

FADILAH, PARHAN NURUL (2023) ANALISA HASIL DATA UJI PRESSURE BUILD UP DAN MODIFIED ISOCHRONAL UNTUK MENGETAHUI KONDISI RESERVOIR DAN PRODUKTIVITAS SUMUR GAS “PNF” LAPANGAN “BYN”. Other thesis, UPN "Veteran" Yogyajarta.

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Abstract

vii
RINGKASAN
ANALISA HASIL DATA UJI PRESSURE BUILD UP DAN
MODIFIED ISOCHRONAL UNTUK MENGETAHUI KONDISI
RESERVOIR DAN PRODUKTIVITAS SUMUR GAS “PNF”
LAPANGAN “BYN”
Oleh
Parhan Nurul Fadilah
NIM: 113190043
(Program Studi Sarjana Teknik Perminyakan)
Pada studi kasus ini yaitu menganalisa hasil data Pressure Build Up dan Modified
Isochronal Test untuk menentukan kondisi reservoir dan produktivitas pada sumur gas
PNF. Sumur gas PNF berada di Lapangan BYN yang merupakan lapangan penghasil
minyak dan gas bumi, di mana sumur ini mulai pertama produksinya pada tahun 2016
yang di kelola oleh PT Pertamina EP Asset 3. Untuk mengetahui kondisi dan
produktivitas sumur gas PNF, pada tahun 2018 sumur gas PNF di lakukan Well Testing
dengan metode uji yang di lakukan yaitu Pressure Build Up (PBU) dan Modified
Isochronal Test (MIT).
Metodologi yang di lakukan antaralain yaitu pengumpulan data reservoir, data survei
EMR, data produksi dan data pendukung lainnya, langkah selanjutnya yaitu analisa
sifat fisik gas, melakukan analisa PBU dengan menggunakan software Ecrin v4.10,
serta melakukan analisa deliveryability dengan metode konvensional dan metode LIT.
Hasil analisa pressure build up (PBU) yang di dapatkan dari perhitungan menggunakan
software ecrin v4.10, pada sumur “PNF” didapatkan skin faktor di dapat sebesar -0,688
penurunan tekanan akibat skin -18,4121 psi. Permeabilitas yang didapatkan sebesar
131 mD, radius investigasi (ri) yang didapatkan sebesar 1130 ft. Mobility ratio (M)
sebesar 0,847, Difusivity ratio (D) sebesar 0,642, serta Tekanan mula-mula reservoir
(P*) sebesar 852,694 Psia dan memiliki model reservoir radial composite dengan batas
reservoir infinite acting . Berdasarkan analisa deliverabilitas dengan metode LIT di
dapatkan nilai AOFP sebesar 1,8332 MMSCF/d sedangkan untuk metode konvensional
di dapatkan nilai AOFP sebesar 2,1699 MMSCF/d.
Kata kunci: Pressure Build Up (PBU), Modified Isochronal Test (MIT), Konvensional,
LIT, Kondisi Reservoir, Deliverabilitas.
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ABSTRACT
ANALYSIS OF PRESSURE BUILD UP AND MODIFIED
ISOCHRONAL TEST DATA RESULTS TO DETERMINE
RESERVOIR CONDITIONS AND PRODUCTIVITY OF GAS WELL
"PNF" FIELD "BYN"
By
Parhan Nurul Fadilah
NIM: 113190043
(Petroleum Engineering Undergraduated Program)
In this case study, we analyze the results of Pressure Build Up and Modified Isochronal
Test data to determine reservoir conditions and productivity at the PNF gas well. The
PNF gas well is located in the BYN field which is an oil and gas producing field, where
this well began its first production in 2016 which is managed by PT Pertamina EP
Asset 3. To determine the condition and productivity of the PNF gas well, in 2018 the
PNF gas well was conducted Well Testing with the test methods carried out namely
Pressure Build Up (PBU) and Modified Isochronal Test (MIT).
The methodology includes collecting reservoir data, EMR survey data, production data
and other supporting data, the next step is analyzing the physical properties of gas,
analyzing PBU using Ecrin v4.10 software, and analyzing deliverability with
conventional methods and LIT methods.
The results of the pressure build up (PBU) analysis obtained from calculations using
ecrin v4.10 software, at the "PNF" well, the skin factor obtained was -0,688, the
pressure drop due to skin was -18.4121 psi. The permeability obtained is 131 mD, the
investigation radius (ri) obtained is 1130 ft. Mobility ratio (M) of 0,847, diffusivity
ratio (D) of 0,642, and initial reservoir pressure (P*) of 852,694 Psia and has a radial
composite reservoir model with infinite acting reservoir boundaries. Based on the
deliverability analysis with the LIT method, the AOFP value is 1,8332 MMSCF/d while
for the conventional method, the AOFP value is 2,1699 MMSCF/d.
Keywords: Pressure Build Up (PBU), Modified Isochronal Test (MIT), Konvensional,
LIT, Reservoir Condition, Deliverabilitas.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Pressure Build Up (PBU), Modified Isochronal Test (MIT), Konvensional, LIT, Reservoir Condition, Deliverabilitas.
Subjects:	T Technology > T Technology (General)
Divisions:	Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User:	Eko Yuli
Date Deposited:	21 Dec 2023 01:05
Last Modified:	21 Dec 2023 01:05
URI:	http://eprints.upnyk.ac.id/id/eprint/38385

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