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R. S. Trijana Kartoatmodjo
Universitas Trisakti
Energy

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Application of Hydrodynamic Potential Analysis to Investigate Possibility Reservoir Connectivity between Neighboring Gas Fields Tri Firmanto; Muhammad Taufiq Fathaddin; R. S. Trijana Kartoatmodjo
Journal of Earth Energy Science, Engineering, and Technology Vol. 2 No. 1 (2019): JEESET VOL. 2 NO. 1 2019
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (734.535 KB) | DOI: 10.25105/jeeset.v2i1.4647

Abstract

T field is a producting gas field in North Bali PSC, which currently producing 210 mmscfd from paciran sand stone formation. Paciran formation extends more than 20 km across the PSC area, which consists of 3 developed gas fields and one potential development field.  The flowing material balance analysis conducted on T field suggests possibility of reservoir connectivty between this field and its neighboring fields. Even though each field is already have a well defined Gas Water Contact, a thorough investigation was done using hyrdodynamic potential analysis to see if theres any hydrodynamic potential that allowed connectivity between these fields, and enable tilted contact occurred between these field. Using pressure data taken from each fields exploration wells the analysis can be conducted that conclude that there is an existing hydrodynamic potential between gas fields in paciran formation. A review on the tilted contact analysis concludes that the existing hydrodynamic potential is not enough to tilt the contact as per actually observed contact.
Production Allocation on Commingled Two Layer Well Using Fingerprint Method Fahrudin Zuhri; Rachmat Sudibjo; R. S. Trijana Kartoatmodjo
Journal of Earth Energy Science, Engineering, and Technology Vol. 1 No. 3 (2018): JEESET-VOL.1-NO.3-2018
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1310.954 KB) | DOI: 10.25105/jeeset.v1i3.4682

Abstract

Production proportion ratio study of commingled well two layers reservoir has been developed by geochemistry approaching, with oil reservoir fingerpint methode by using Gas Chromatography then processed by Chemstation software. The study is developed to solve the commingled well production alocation problem in oil field. There are 4 oil samples will be analyzed to represent each layer and commingle production oil sample in 2009 and 2015.Result of study, figures out that oil fingerprint from commingle production has a difference as long as production time. Oil sample that taken from different commingle production time is predicted to produce a different ratio contribution form each layer of reservoir. Every layer reservoir has a different contribution from 2009 to 2015. Result of production proportion ratio study can be applied to decisionmaking of reservoir developement in an oil field, especially for well completion and enhanced oil recovery. This methode is proven to be a solution of commingle production problem of two layers reservoir. Fingerprint methode to determine production proportion ratio of commingled well production is the first in Indonesia.
Co-Authors Fahrudin Zuhri Muhammad Taufiq Fathaddin, Muhammad Taufiq Rachmat Sudibjo Tri Firmanto