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All Journal PROSIDING SEMINAR NASIONAL CENDEKIAWAN Prosiding Seminar Nasional Pakar Journal of Earth Energy Science, Engineering, and Technology

Dwi Atty Mardiana

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Author-ID : 3201739

Education Energy

Published : 6 Documents Claim Missing Document

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Optimization of Oil Production by Gas Lift Macaroni in “X” Field Chrismon Chrismon; R.S. Trijana Kartoatmodjo; Dwi Atty Mardiana
Journal of Earth Energy Science, Engineering, and Technology Vol. 1 No. 1 (2018): JEESET-VOL.1-NO.1-2018
Publisher : Penerbitan Universitas Trisakti

The background of this research was that in X Field many gas wells have stopped flowing years ago and not economical production anymore. Therefore the company has decided to use gas lift which is proper to the sandy oil reservoir characteristic. The tubing of the well has no gas lift mandrel completion as the well was a gas producer. The objectives of this research was that to design gas lift macaroni (GLM) to optimize oil production rate. The design of this research was that the new slim tubing 1.315 inch, called as macaroni tubing, was installed inside the existing 3. 5inch tubing. The gas lift valves are installed inside macaroni tubing. The data collection consists of reservoir data, surface data, and well diagram.The result of this research was that the gas lift macaroni installation can generate oil production rate of 425 STB/day of the three wells. Gas lift valves of well A is four valves, well B is five valves, and well C is three valves. The deviation of software and manual calculation of valves depth is less than 1%. The cost saving by installing gas lift macaroni instead of workover operation to change the existing tubing with new tubing equipped with gas lift valves is USD 5,620,955 of three wells.

Pipe Network Evaluation for "X" Field Production Optimization Slamet Widodo Kurniansyah; Esaim Mustafa Abrahim Omar; Dwi Atty Mardiana
Journal of Earth Energy Science, Engineering, and Technology Vol. 3 No. 2 (2020): JEESET VOL. 3 NO. 2 2020
Publisher : Penerbitan Universitas Trisakti

Fields "X" is an old field in the South East Sumatra Block. The area was developed using ten platforms. One main problems on this field is the disruption of some wells productivity due to flow constraints in the piping network. The objective of this paper is to evaluate the pipeline network for area "X1" using simulation model. The simulation results show that there are bottlenecking and backpressure problems in the network. By fixing the problems, total oil production in this area can be increased up to 19 percent or 1,006.2 BOPD higer than initial condition.

The Effect of Pressure and Temperature of Residual Life on Separator as Types of Pressure Vessel in “Z” Oil and Gas Field Reza Fadhlan; Dwi Atty Mardiana; Pri Agung Rakhmanto; Muhammad Taufiq Fathaddin; Rini Setiati; Suryo Prakoso
Journal of Earth Energy Science, Engineering, and Technology Vol. 5 No. 2 (2022): JEESET VOL. 5 NO. 2 2022
Publisher : Penerbitan Universitas Trisakti

Field Z is a mature oil and gas field with several production facilities that have passed their service life design, re-assessment of service life for the critical equipment is needed to carry out. This study focuses on identifying the damage mechanism, determining the residual life assessment, and assessing the effect of pressure and temperature on the residual service life of four separators in field Z. The approach is to recalculate the maximum allowable pressure and the minimum thickness of the separator, estimates the corrosion rate using API 510 and API 581, and estimates the residual life assessment of the separator. The result shows that estimation of corrosion rate with API 581 provide lower value than API 510 due to different methodology. However, the result prove that the operating pressure and temperature of separator will affect to the residual life through minimum thickness and corrosion rate, respectively. The higher operating temperature, the higher corrosion rate. Both of these will reduce the residual life. The calculation estimates that at current operation condition, three of four separators in field Z still can be utilize d at least until next five years. While one separator needs to replace immediately considering to the negative remaining service life.

Dynamic Simulation Approach for Liquid Loading in Horizontal Gas Well X Field Indonesia Hairuni Hapsari; Dwi Atty Mardiana; Shabrina Sri Riswati; Pri Agung Rakhmanto
Journal of Earth Energy Science, Engineering, and Technology Vol. 5 No. 3 (2022): JEESET VOL. 5 NO. 3 2022
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jeeset.v5i3.14611

There has been intensive investigation on the understanding of the liquid loading phenomenon lately via experiment and transient approach. This is driven due to the limitation of the traditional approach using steady state Turner correlation to be used over a wide range of actual conditions (i.e such as under various tubing diameters, fluid condition (CGR/WGR), and horizontal or deviated trajectory of the well) which can lead to underpredict critical gas rate and mitigation action which directly impact the production and economics limit of the field. By nature, the liquid loading phenomena classified as transient or dynamic phenomena and hence couldn’t be able to be explained under the steady state approach. The application of dynamic well modeling itself has been applied worldwide recently. Therefore, utilizing this new approach for estimating the critical gas rate for horizontal well bring benefit by reducing the uncertainty of the outcome and providing more accurate prediction compare to the traditional approach. The selection of the de-liquification method which uses the bullheading for the horizontal gas well in X field provides the highest production optimization and the most economical approach to the field as there is no additional opex cost required.

Co-Authors Adam Fatchur Rohman Chrismon Chrismon Esaim Mustafa Abrahim Omar Hairuni Hapsari Lolyta Frigrina Muhammad Taufiq Fathaddin, Muhammad Taufiq Pri Agung Rakhmanto R.S. Trijana Kartoatmodjo Reza Fadhlan Rini Setiati Shabrina Sri Riswati Slamet Widodo Kurniansyah Sugiatmo Kasmungin Suryo Prakoso, Suryo

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