KANANTA, HARRY (2023) EVALUASI OPTIMASI DAN PENANGANAN PROBLEM GAS LOCK PADA SUMUR ESP HKN-20 DENGAN GLR TINGGI DI STRUKTUR HAURKUNING PERTAMINA EP ZONA 7. Masters thesis, UPN "Veteran" Yogyajarta.
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Abstract
vii
ABSTRAK
Sumur HKN-20 adalah sumur di Struktur Haurkuning yang berproduksi
menggunakan ESP dengan produksi sebesar 714 blpd / 662 bopd / 7% / 0.8 mmscfd.
Produksi sumur ini hanya bisa bertahan selama 54 hari karena sumur mati. Produksi
gas yang dihasilkan cukup tinggi sehingga menyebabkan high gas interference pada
ESP sehinggal mengurangi efisiensi volumetris pompa dan menyebabkan
terjadinya gas lock yang mengakibatkan pompa ESP mati. Perlu dilakukan suatu
metode yang dapat mengendalikan gas terproduksi tersebut.
Ada beberapa metode yang dapat dilakukan untuk menanggulangin gas lock
di sumur ESP, salah satunya adalah Gas lock prevention control mode (GLPM).
GLPM adalah algoritma yang memanipulasi kecepatan rotasi pada Variable Speed
Drive (VSD) untuk mencegah gangguan gas di dalam pompa. Ada 4 Skenario yang
dilakukan pada penelitian kali ini. Skenario I belum menghhasilkan hasil produksi
Skenario II menghasilkan 323 blpd, namun produksi masih kadang terjadi
intermitten flow. Skenario III menghasilkan 735 blpd dengan pengininan motor
paling baik. Skenario IV menghasilkan produksi 408.
Skenario III merupakan sekenario GLPM yg terbaik dan digunakan selama
sumur tersebut berproduksi dengan produksi 735 blpd. Berdasarkan perbandingan
periode sebelum dan sesudah pengaktifan GLPM terdapat kenaikan run life sumur
HKN-20 sebesar 106% yang awalnya run life pompa ESP selama 54 hari menjadi
111 hari. Kenaikan run life ini memberikan efek kenaikan oil cummulative (Np)
sebesar 48% atau sekitar 22,348 barrels. Dalam waktu 4 bulan setelah pengaktifan
GLPM tidak terjadi loss production maupun masalah pompa ESP yang
mengharuskan dilakukan kegiatan well services. Pengaktifan GLPM pada sumur
HKN-20 menghasilkan peningkatan kinerja pompa secara signifikan dalam
beberapa aspek yaitu kenaikan run life pompa, kenaikan oil cummulative,
berkurangnya loss production dan frekuensi well services.
vii
ABSTRACT
The HKN-20 well is a well in the Haurkuning Structure that produces using
ESP with a production of 714 blpd / 662 bopd / 7% / 0.8 mmscfd. This well's
production could only last for 54 days because the well died. The resulting gas
production is high enough to cause high gas interference on the ESP, thereby
reducing the volumetric efficiency of the pump and causing a gas lock which causes
the ESP pump to stop. It is necessary to do a method that can control the gas
produced.
There are several methods that can be used to overcome gas lock in ESP
wells, one of which is the Gas lock prevention control mode (GLPM). GLPM is an
algorithm that manipulates the rotational speed of the Variable Speed Drive (VSD)
to prevent gas interference in the pump. There are 4 scenarios carried out in this
study. Scenario I has not yet produced production. Scenario II produces 323 blpd,
but production still occasionally occurs with intermittent flow. Scenario III
produces 735 blpd with the best motor desire. Scenario IV results in the production
of 408.
Scenario III is the best GLPM scenario and is used as long as the well is in
production with a production of 735 blpd. Based on a comparison of the period
before and after the activation of the GLPM, there was an increase in the run life
of the HKN-20 well by 106%, from the initial run life of the ESP pump for 54 days
to 111 days. This increase in run life has the effect of increasing cumulative oil (Np)
by 48% or around 22,348 barrels. Within 4 months after the GLPM activation,
there was no loss of production or problems with the ESP pump which required
well services activities to be carried out. Activation of GLPM in the HKN-20 well
resulted in a significant increase in pump performance in several aspects, namely
increased pump run life, increased cumulative oil, reduced loss production and
frequency of well services.
| 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: | 16 Aug 2023 04:24 |
| Last Modified: | 16 Aug 2023 04:24 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/36908 |
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