PERENCANAAN HIDROLIKA LUMPUR PEMBORAN UNTUK SUMUR “TM-01” PADA LAPANGAN “DZ”

DZULFIANSYACH, PRATAMA (2023) PERENCANAAN HIDROLIKA LUMPUR PEMBORAN UNTUK SUMUR “TM-01” PADA LAPANGAN “DZ”. Other thesis, UPN "Veteran" Yogyajarta.

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Abstract

vi
RINGKASAN
PERENCANAAN HIDROLIKA LUMPUR PEMBORAN
UNTUK SUMUR “TM-01” PADA LAPANGAN “DZ”
Oleh
Pratama Dzulfiansyach
NIM: 113190168
(Program Studi Sarjana Teknik Perminyakan)
Lapangan “DZ” terletak di stratigrafi tersier Cekungan Sumatera Tengah. Pada
lapangan ini akan dilakukan pengeboran untuk pengembangan lapangan dengan
menambahkan sumur infill yaitu sumur “TM-01”. Penelitian ini tidak melibatkan
perencanaan hole geometry, casing design, cement design, dan rangkaian
drillstring. Pada sumur ini diperlukan perencanaan hidrolika lumpur untuk
membantu proses pengangkatan cutting agar pemboran dapat berjalan dengan baik.
Program pemboran direncanakan akan dibor secara vertikal hingga kedalaman 2300
ftMD dengan target formasi yaitu Sihapas dengan reservoir berupa sandstone.
Perencanaan hidrolika lumpur yang dibutuhkan untuk trayek 12-1/4” dan 8-1/2”.
Adapun perencanaannya meliputi penentuan densitas lumpur, penentuan tipe aliran,
penentuan pressure loss, penentuan spesifikasi pompa, perencanaan hidrolika bit
untuk menentukan laju alir optimum, dan perencanaan pengangkatan cutting.
Dilakukan optimasi hidrolika menggunakan metode BHHP, BHI dan JV kemudian
diplot pada grafik. Melalui grafik tersebut, digunakan metode trial and error untuk
menentukan rekomendasi flowrate yang mampu memberikan hasil pengangkatan
cutting yaitu cutting transport ratio (Ft) >90%, cutting concentration (Ca) <5% dan
carrying capacity index (CCI) >1.
Pada trayek 12-1/4” direkomendasikan menggunakan flowrate optimum 626,6 gpm
dengan nilai pengangkatan cutting minimum Ft 90,01%, Ca 0,87% dan CCI 1,95
telah dikatakan baik menggunakan kombinasi nozzle bit 15-15-16. Flowrate masih
bisa dinaikan hingga 785 gpm dengan kombinasi nozzle 18-18-20. Pada trayek 8-
1/2” direkomendasikan menggunakan flowrate optimum 261,6 gpm dengan nilai
pengangkatan cutting minimum Ft 90,01%, Ca 1,13% dan CCI 2,61. Telah
dikatakan baik dengan kombinasi nozzle bit 10-10-10. Flowrate masih bisa
dinaikan hingga 703,5 gpm dengan kombinasi nozzle 18-18-20.
Kata kunci: Perencanaan Hidrolika Lumpur, Laju Alir Optimum, Pengangkatan
Cutting.
vii
ABSTRACT
HYDRAULICS DRILLING MUD DESIGN FOR WELL “TM-01”
AT “DZ” FIELD
By
Pratama Dzulfiansyach
NIM: 113190168
(Petroleum Engineering Undergraduated Program)
Field "DZ" is located in the Tertiary stratigraphy of the Central Sumatra Basin. In
this field, drilling will be conducted for field development by adding an infill well,
namely well "TM-01”. Previous drilling programs have been prepared, including
hole geometry, casing design, and the drillstring to be used. In this well, hydraulic
mud planning is required to assist in the process of cuttings removal to ensure
smooth drilling operations. The drilling program is planned to be drilled vertically
to a depth of 2300 ftMD, targeting the Sihapas formation with a sandstone
reservoir.
The hydraulic mud design required for the 12-1/4" and 8-1/2" hole sections. The
planning includes determining mud density, flow regime, pressure loss, pump
specifications, hydraulic bit design to determine the optimum flow rate, and cuttings
lifting planning. The hydraulic optimization will be performed using the BHHP,
BHI and JV methods, and the results will be plotted on a graph. Through the graph,
the trial and error method will be used to determine the recommended flow rate
that can achieve the desired cutting transport ratio (Ft) > 90%, cutting
concentration (Ca) < 5%, and carrying capacity index (CCI) > 1.
In the 12-1/4" hole section, it is recommended to use an optimum flow rate of 626.6
gpm, which achieves a minimum Ft of 90.01%, Ca of 0.87%, and CCI of 1.95, using
the nozzle combination 15-15-16. The flow rate can still be increased up to 785 gpm
by using the nozzle combination 18-18-20. In the 8-1/2" hole section, it is
recommended to use an optimum flow rate of 261.6 gpm, which achieves a minimum
Ft of 90.01%, Ca of 1.13%, and CCI of 2.61, using the nozzle combination 10-10-
10. The flow rate can still be increased up to 703.5 gpm by using the nozzle
combination 18-18-20.
Keywords: Hydraulic Mud Planning, Optimum Flow Rate, Cuttings Removal.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Hydraulic Mud Planning, Optimum Flow Rate, Cuttings Removal.
Subjects:	T Technology > T Technology (General)
Divisions:	Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User:	Eko Yuli
Date Deposited:	25 Jul 2023 07:37
Last Modified:	25 Jul 2023 07:37
URI:	http://eprints.upnyk.ac.id/id/eprint/36560

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