NUGROHO, ADITYA LUTFI (2024) ANALISA WELL INTEGRITY DAN MITIGATION PLAN TERHADAP KINERJA PRODUKSI SUMUR “AD-18” LAPANGAN “ALN”. Other thesis, UPN Veteran Yogyakarta.
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Abstract
vii
RINGKASAN
ANALISA WELL INTEGRITY DAN MITIGATION PLAN
TERHADAP KINERJA PRODUKSI SUMUR “AD-18”
LAPANGAN “ALN”
Oleh
Aditya Lutfi Nugroho
NIM: 113200156
(Program Studi Sarjana Teknik Perminyakan)
Sumur “AD-18” merupakan sumur existing yang berproduksi pada lapisan BRF
dengan hasil tes produksi terakhir 790 BWPD, 0 BOPD, 100%WC, 0.32
MMSFCD. Sumur “AD-18” terindikasi adanya water channeling berdasarkan
analisa log CBL-VDL yang menunjukan bonding semen yang kurang baik pada
daerah sekitar perforasi dan analisa noise logging yang menunjukan adanya
kebisingan dibawah interval perforasi sehingga menyebabkan penurunan laju
produksi gas. Berdasarkan hal tersebut Sumur “AD-18” perlu dilakukan remedial
cementing pada interval perforasi.
Penelitian ini diawali dengan pengumpulan data berupa data sumur, data produksi,
dan histori permasalahan sumur, kemudian dilakukan analisa well integrity seperti
analisa kualitatif dan kuantitatif CBL VDL USIT, dan analisa noise logging.
Analisa tersebut menghasilkan problem yang mungkin terjadi pada Sumur “AD-
18”.
Evaluasi penyemenan primer pada interval 1480-1696 m menggunakan CBL
menghasilkan amplitude sebesar 29 mV, compressive strength sebesar 125 psi dan
nilai bond index sebesar 0,28. Sumur “AD-18” mengalami penurunan water cut
dari 100% menjadi 76% dan kenaikan produksi sebesar 6,59 BOPD setelah
dilakukan remedial cementing. Berdasarkan hasil tersebut remedial cementing
pada Sumur “AD-18” berhasil memperbaiki ikatan semen baik di zona target
maupun di zona sekat air dan zona reperforasi
Kata kunci: Squeeze cementing, Well Integrity, Noise Logging
viii
ABSTRACT
ANALYSIS OF WELL INTEGRITY AND MITIGATION PLAN ON
PRODUCTION PERFORMANCE IN WELL “AD-18” FIELD
“ALN”
By
Aditya Lutfi Nugroho
NIM: 113200156
(Petroleum Engineering Undergraduated Program)
The “AD-18” is an existing well producing in the BRF layer with the last
production test result of 790 BWPD, 0 BOPD, 100%WC, 0.32 MMSFCD. Well
“AD-18” is indicated to have water channeling based on CBL-VDL log analysis
which shows poor cement bonding in the area around the perforation and noise
logging analysis which shows noise below the perforation interval causing a
decrease in gas production rate. Based on this, Well “AD-18” needs remedial
cementing at the perforation interval.
This research begins with data collection in the form of well data, production
data, and history of well problems, then well integrity analysis is carried out such
as qualitative and quantitative analysis of CBL VDL USIT, and noise logging
analysis. The analysis resulted in problems that may occur in the “AD-18” Well.
Evaluation of primary cementing in the 1480-1696 m interval using CBL resulted
in an amplitude of 29 mV, compressive strength of 125 psi and bond index value of
0.28. Well “AD-18” experienced a decrease in water cut from 100% to 76% and
an increase in production of 6.59 BOPD after remedial cementing. Based on these
results, remedial cementing at Well “AD-18” successfully improved the cement
bond in both the target zone and the water cut and reperforation zones.
Keywords: Squeeze cementing, well integrity, noise logging
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Squeeze cementing, well integrity, noise logging |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 07 Aug 2024 03:06 |
| Last Modified: | 07 Aug 2024 03:06 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/40630 |
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