HANDANG NIPPA, PASKALIS LOUIS UMBU (2024) ANALISIS PENGARUH REMEDIAL CEMENTING TERHADAP WATER CUT DAN PERFORMA PRODUKSI PADA SUMUR “PL-31” LAPANGAN “OMJ”. Other thesis, UPN Veteran Yogyakarta.
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Abstract
vi
RINGKASAN
ANALISIS PENGARUH REMEDIAL CEMENTING
TERHADAP WATER CUT DAN PERFORMA PRODUKSI
PADA SUMUR “PL-31” LAPANGAN “OMJ”
Oleh
Paskalis Louis Umbu Handang Nippa
NIM: 113200155
(Program Studi Sarjana Teknik Perminyakan)
Sumur “PL-31” pada Lapangan “OMJ” sumur minyak onshore directional yang
terletak pada Cekungan Jawa Timur Utara. Sumur “PL-31” mulai berproduksi
sejak bulan Juni tahun 2015 dengan laju alir 607 BFPD dan nilai water cut sebesar
5% Sumur “PL-31” mengalami penurunan performa produksi sampai dengan
bulan Januari tahun 2024 dengan laju alir 3.088 BLPD nilai water cut sebesar
95,7%. Remedial cementing dilakukan pada sumur “PL-31” dalam upaya menutup
zona air yang membuat tingginya produksi air. Analisis performa produksi dengan
chan diagnostic plot dan analisis nodal dilakukan untuk mengetahui perubahan
perfroma produksi sebelum dan setelah remedial cementing pada sumur “PL-31”.
Analisis chan diagnostic plot pada sumur "PL-31" mengidentifikasi masalah near
wellbore water channeling di dekat lubang sumur, yang dikonfirmasi oleh analisis
log CBL-VDL yang menunjukkan bond index dan compressive strength yang
rendah di sekitar perforasi. Analisis log petrofisik dan RST menunjukan adanya
zona air di sekitar interval perforasi yang memungkinkan air masuk melalui
channel. Setelah dilakukan remedial cementing, evaluasi log CBL-VDL
menunjukkan perbaikan ikatan semen, dan analisis nodal menunjukkan penurunan
water cut menjadi 82,93% serta peningkatan produksi minyak sebesar 58%.
Berdasarkan hasil penilitain, remedial cementing berhasil memperbaiki kualitas
penyemenan primary cementing yang buruk. Analisis produksi menunjukan
peningkatan laju alir minyak dan penurunan laju alir air dan water cut.
Kata kunci: cement bond log, chan diagnostic plot, performa produksi, IPR tiga
fasa, korelasi Beggs-Brill, near wellbore water Channeling
vii
ABSTRACT
ANALYSIS OF THE EFFECT OF REMEDIAL CEMENTING ON
WATER CUT AND PRODUCTON PERFROMANCE IN THE
WELL "PL-31" FIELD "OMJ"
By
Paskalis Louis Umbu Handang Nippa
NIM: 113200155
(Petroleum Engineering Undergraduated Program)
The "PL-31" well in the "OMJ" field is an onshore directional oil well located in
the North East Java Basin. It began production in June 2015 with a flow rate of
607 BFPD and a water cut of 5%. However, the well experienced a decline in
production performance until January 2024, with a flow rate of 3.088 BLPD and
a water cut of 95,7%.Remedial cementing was performed on the "PL-31" well to
seal the water zone that was causing high water production. Performance
analysis using chan diagnostic plot and nodal analysis was conducted to assess
the changes in production performance before and after the remedial cementing.
Channel diagnostic plot analysis for well "PL-31" identified a near wellbore
water channeling issue, which was confirmed by CBL-VDL log analysis showing
a low bond index and compressive strength around the perforations.
Petrophysical and RST log analysis indicated the presence of a water zone around
the perforation interval, allowing water to enter through the channel. After
remedial cementing, CBL-VDL log evaluation showed improved cement bonding,
and nodal analysis indicated a reduction in water cut to 89,93% and an increase
in oil production by 58%.
Based on the research results, the remedial cementing successfully improved the
quality of the poor primary cementing. Production analysis showed an increase in
oil flow rate and a decrease in water flow rate and water cut.
Keywords: Beggs-Brill correlation , cement bond log, chan diagnostic plot, near
wellbore water Channeling, three phase IPR
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Beggs-Brill correlation , cement bond log, chan diagnostic plot, near wellbore water Channeling, three phase IPR |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 20 Sep 2024 06:40 |
| Last Modified: | 20 Sep 2024 06:40 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/41227 |
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