EVALUASI DAN OPTIMASI ELECTRICAL SUBMERSIBLE PUMP (ESP) PADA SUMUR “RA-11” DI LAPANGAN “SELAYANG

KHAIRA, RAMZATUL (2024) EVALUASI DAN OPTIMASI ELECTRICAL SUBMERSIBLE PUMP (ESP) PADA SUMUR “RA-11” DI LAPANGAN “SELAYANG. Other thesis, UPN Veteran Yogyakarta.

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Abstract

viii
RINGKASAN
EVALUASI DAN OPTIMASI ELECTRICAL SUBMERSIBLE
PUMP (ESP) PADA SUMUR “RA-11” DI
LAPANGAN”SELAYANG”
Oleh
Ramzatul Khaira
NIM: 113200001
(Program Studi Sarjana Teknik Perminyakan)
Sumur “RA-11” Lapangan “Selayang” merupakan sumur dengan menggunakan
artificial lift berupa Electrical Submersible Pump (ESP). Dimana terpasang pompa
dengan tipe D460N/47,5Hz/257 Stages dengan pump setting depth (PSD) 6047 ft.
lalu produksi actual sebesar 141 BFPD dengan water cut mencapai 89,27%.
Diperoleh bahwa kinerja pompa tidak optimal karena laju produksi actual 141
BFPD lebih rendah dari rate operating range pompa 200-650 BFPD. sehingga akan
menyebabkan terjadinya masalah downthrust yang akan mengakibatkan pompa
akan lebih cepat rusak.
Analisa pertama dilakukan dengan penentuan laju produksi dan tekanan alir
optimal. Untuk mengetahui produktivitas sumur dilakukan analisa Inflow
Performance Relationship dengan menggunakan metode IPR wiggins, sehingga
didapatkan Qmax sebesar 2337 BFPD dan laju produksi optimum sebesar 1732
BFPD 76% dari Qmax. Selanjutnya dari perhitungan evaluasi didapatkan hasil
berupa PIP sebesar 1534,7 psi, TDH sebesar 2703,380 ft dengan efisiensi pompa
32%. Tahapan dalam optimasi ESP meliputi pengumpulan data, pembuatan kurva
IPR untuk menentukan laju alir target, uji sensitivitas frekuensi, uji sensitivitas
jumlah stage, dan uji sensitivitas pump setting depth (PSD) untuk mendapatkan laju
produksi optimum yang sesuai dengan operating range pompa terpasang.
Hasil dari optimasi yang terdiri dari ketiga uji sensitivitas didapatkan bahwa
pergantian pump setting depth (PSD) menghasilkan peningkatan laju produksi
optimum menjadi 335 BFPD dari laju produksi existing sebesar 141 BFPD, Pwf
menjadi 1500 psi, dan pump setting depth (PSD) optimum menjadi 3600 ft dari PSD
existing 6047 ft dengan efisiensi pompa menjadi 52% dari efisiensi pompa existing
32%.
Kata kunci: Electrical Submersible Pump, Downthrust, Sensitivitas pump setting
depth.
ix
ABSTRACT
EVALUATION AND OPTIMIZATION OF ELECTRICAL
SUBMERSIBLE PUMP (ESP) AT WELL “RA-11” IN FIELD
“SELAYANG”
By
Ramzatul Khaira
NIM: 113200001
(Petroleum Engineering Undergraduated Program)
Well "RA-11" "Selayang" field is a well using artificial lift in the form of Electrical
Submersible Pump (ESP). There is a pump installed with type D460N/47.5Hz/257
Stages with a pump setting depth (PSD) of 6047 ft. then actual production of 141
BFPD with water cut reaching 89.27%. It is found that the pump performance is
not optimal because the actual production rate of 141 BFPD is lower than the pump
operating range of 200-650 BFPD. so that it will cause downthrust problems which
will cause the pump to be damaged faster.
The first analysis was conducted by determining the optimal production rate and
flow pressure. To determine the productivity of the well, Inflow Performance
Relationship analysis was carried out using the IPR wiggins method, resulting in a
Qmax of 2337 BFPD and an optimum production rate of 1732 BFPD 76% of Qmax.
Furthermore, from the evaluation calculation, the results obtained are PIP of
1534.7 psi, TDH of 2703.380 ft with a pump efficiency of 32%. Stages in ESP
optimization include data collection, IPR curve generation to determine the target
flow rate, frequency sensitivity test, number of stages sensitivity test, and pump
setting depth (PSD) sensitivity test to obtain the optimum production rate in
accordance with the operating range of the installed pump.
The results of the optimization consisting of the three sensitivity tests found that
changing the pump setting depth (PSD) resulted in an increase in the optimum
production rate to 335 BFPD from the existing production rate of 141 BFPD, Pwf
to 1500 psi, and the optimum pump setting depth (PSD) to 3600 ft from the existing
PSD of 6047 ft with pump efficiency to 52% from the existing pump efficiency of
32%.
Keywords: Electric Submersible Pump, Downthrust, Sensitivity Pump setting
depth.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Electric Submersible Pump, Downthrust, Sensitivity Pump setting depth.
Subjects:	T Technology > T Technology (General)
Divisions:	Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User:	Eko Yuli
Date Deposited:	20 May 2024 04:04
Last Modified:	20 May 2024 04:04
URI:	http://eprints.upnyk.ac.id/id/eprint/39467

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