WINANTA, DHIMAS WILDA (2023) MENENTUKAN ZONA PROSPEK DAN JENIS HIDROKARBON MENGGUNAKAN INTERPRETASI LOG PADA SUMUR “D” LAPANGAN “FM”. Other thesis, UPN "Veteran" Yogyajarta.
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Abstract
Vii
ABSTRACT
MENENTUKAN ZONA PROSPEK DANJENIS
HIDROKARBON MENGGUNAKAN INTERPRETASI LOG
PADA SUMUR “D” LAPANGAN “FM”
By
Dhimas Wilda Winanta
NIM : 113190023
(Petroleum Engineering Undergraduated Program)
Well D is a hydrocarbon prospect well located in the FM field, which is located in
Jambi Province, South Sumatra basin. In well D, there is no petrophysical
analysis, therefore exploration is carried out using logging interpretation. For
qualitative interpretation using three combinations of wireline logging tools,
namely lithology tools, porosity tools, and resistivity tools and there is core
analysis data from the South Sumatra Basin that can be used as validation. So this
research aims to interpret the logs in the "D" well of the "FM" field in an effort to
determine the hydrocarbon prospect zone to describe the type of fluid.
The methodology in this research is carried out with data collection,
environmental correction, then data processing using qualitative and quantitative
analysis, then cut off analysis and determination of hydrocarbon types. In
environmental correction, gamma ray log readings are corrected. Then determine
the permeable zone and impermeable zone based on gamma ray log and
resistivity log readings. In the quantitative analysis, Vshale, porosity, and Sw are
calculated to determine prospect layer candidates. Determination of prospect
candidates is based on Sw cut off so that net pay or thickness of prospect layer
candidates will be obtained. Determination of fluid type is based on the crosover
of neutron log and density log, and validated with data from side wall core and rt
data, to identify the presence of gas, oil and water.
Based on the crossplot analysis of vsh vsh vs porosity, the Vshale cut off value is
50%, the porosity cut off is 7%, and based on the fractional flow vs sw analysis,
the Sw cut off value is 61%. Based on the results of petrophysical analysis, 1
interest zone was found to be a reservoir candidate, namely layer A with an
interval of 642 ft to 1464 ft. Layer A is divided into 7 sublayers namely A-1, A-2,
A-3, A-4, A-5, A-6, A-7. Based on the Sw cut off, it is known that there are 7
prospective sublayer candidates in well D. Layer A has a net sand of 140.5 ft. The
average value of the petrophysical analysis of well D is Vshale of 27%, porosity
of 34%, and water saturation of 42%. While the type of hydrocarbon fluid in well
D there are indications of hydrocarbon zones and prospect zones in sublayers A-
1, A-2, A-3, A-4, A-5, A-6, A-7.
Keyword: Vshale, Porositas, Saturasi
| Item Type: | Thesis (Other) |
|---|---|
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 10 Jul 2023 02:36 |
| Last Modified: | 10 Jul 2023 02:36 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/36358 |
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