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All Journal Syntax Literate: Jurnal Ilmiah Indonesia Gema Wiralodra Journal of Comprehensive Science
Indarti, Adrian
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Humanities Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Social Sciences Other

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Journal : Gema Wiralodra

 1 
Design Evaluation Of Hydraulic Pumping Unit At Well Alf-04 Kawengan Field Indarti, Adrian; Nasution, Alfisyahri
Gema Wiralodra Vol. 15 No. 2 (2024): Gema Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/gw.v15i2.713

Abstract

The methods of lifting fluid from the well to the surface consists of natural wells method and artificial lift method. One type of artificial lifting is Hydraulic Pumping Unit (HPU) method. In this case, well ALF-04 as the HPU well in Kawengan field which faces lower actual production compare to its theoritic production calculation then decided need to be redesigned. The objectives of redesigned is to reach optimum flow rate of the well. Recently actual flow rate of this well is 309.2 bfpd, and then the result of IPR calculation by Vogel shows the Q max is 957.25 bfpd, it means this well production is still feasible to be optimized till approximately 765.8 bfpd. After redesign calculation , obtained pump setting  depth 755 m, plunger size of 2.5 ", 120" stroke length, and speed of 6 spm, pump displacement 568.425 bpd. For the rod diameter was changing from 0.75 inch to 0.875 inch with total length 2395m , it greatly affects the maximum stress value of 22,774.03 psi, and also has an influence to the increasing of PPRL value of 8243.26 lb, and the MPRL value of 3000 lb.
Productivity Calculation of Well Tlj-250 Post Hydraulic Fracturing Job at Pt . Bukit Apit Bumi Persada Indarti, Adrian; Kusrini, Desi; Agriandita, Isnani; Prakoso, Rio Dwi
Gema Wiralodra Vol. 15 No. 3 (2024): Gema Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/gw.v15i3.780

Abstract

PT Bukitapit Bumi Persada is a company engaged in oil well service including cementing, stimulation, fracturing, coiled tubing unit and nitrogen service. Hydraulic fracturing is a stimulation activity to repair wells due to damage to the formation by injecting fracturing fluid at high pressure to create channels and held with proppant so that the fractures formed do not close again. The TLJ-250 well in the Prabumulih field was stimulated using hydraulic fracturing on Sunday, April 24, 2022. The TLJ-250 well has sandstone lithology with low permeability of about 4 mD with a porosity value of 12% so that this well is not productive to produce hydrocarbons. The fracturing fluid used is water base fluid, which is a water-based fracturing fluid and the proppant used is carbolite 20/40. The process of hydraulic fracturing begins with a breakdown test, step rate test, mini frac, and main frac with the stages of injecting proppant starting with pre-pad, slug, pad, and flush. The reason for hydraulic fracturing in the TLJ-250 well is that the ex bore well is less economical when producing. After hydraulic fracturing, TLJ-250 well experienced an increase in permeability value of about 904.15 mD with an average permeability around 22.32 mD followed by an increase in productivity index (PI) with the Prats method around 3.75 and the Cinco-Ley method is around 3.57 times. The production rate at TLJ-250 well is 158 BFPD with oil production of 21 BOPD
Glycol losses calculation in a gas dehydration unit Indarti, Adrian; Nugroho, Nur Khozin Adi; Zaini, Agung Rizki
Gema Wiralodra Vol. 14 No. 2 (2023): gema wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/gw.v14i2.501

Abstract

The gas dehydration process separates gas from water content by mixing absorbents such as glycol in the gas dehydration unit. The gas dehydration process can use triethylene glycol type glycol, reducing the water content to a minimum of 7 lb/mmscfd. In the dehydration process, glycol losses will usually occur either in the reboiler or contactor; for this reason, this study aims to determine the causes of glycol losses, calculate the water content absorbed in the contactor, determine the percentage of glycol losses and calculate how much glycol is needed in each 1mmscfd of gas. Glycol losses are classified into two types: expected and up-standard. In this case, the research method starts by calculating the amount of water content that can be absorbed, the percentage of glycol losses, and the amount of glycol volume required in every one mmscfd of gas. Causes of glycol losses include the number of trays, contact time, absorption surface area, flow rate, and temperature in the reboiler. Of the 60.96 mmscfd of wet gas that entered the contactor, it was found that 32.11 lb/mmscfd of water managed to absorb glycol. Based on the calculation of glycol losses in some test data, the average glycol losses (0.087 gal/mmscf) are still categorized as ordinary losses because the glycol losses that occur do not exceed the safe limit set by the industry, which is 0.01 – 0.15 gal /mmscf. One way to reduce the occurrence of glycol losses is to adjust the pump discharge to the incoming gas flow so that excess glycol is not used when there is contact between glycol and wet gas.
Recalculation of Pump Speed and Stroke Length to Increase Production Rate and Volumetric Efficiency of HPU Well BTN-01 Indarti, Adrian; Fitri, Muhamad Bintang
Gema Wiralodra Vol. 15 No. 1 (2024): Gema Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/gw.v15i1.634

Abstract

In the "BTN-01" well, one of the wells is owned by KSO PT PERTAMINA EP PT Sarana GSS Trembul. The "BTN-01" well is installed with a hydraulic pumping unit pump that experiences decreasing production, and based on tests on January 30, 2023, the output of the "BTN-01" well produces only 216 bfpd with 98% of water cut. The pump operates on 8 SPM of pump speed and 74-inch stroke length, with 43% of volumetric efficiency. As per theory, a proper design of hydraulic pumping unit pump will produce a volumetric efficiency value above 70%. To overcome this problem, it is necessary to perform research, started with an evaluation on the existing design and continue to quantitative research by recalculating the optimum production rate from IPR calculation, recalculating pump speed, recalculating pump stroke length, and recalculating volumetric efficiency to achieve higher value on both production rate and volumetric efficiency of the pump. In the "BTN-01" well, IPR was calculated by the Wiggins method, and it is known that the oil production rate is 5.53 bopd, 421.96 bwpd of water rate, and the fluid production rate is 427.5 bfpd. Based on the results of HPU redesign and recalculation of the optimum production rate, the new value of pump speed is 7 SPM (existing 8 SPM), the pump stroke length is 70 inches (existing 74 inches) with a volumetric efficiency of 78.45% (existing 43%) that can be called optimal.
Co-Authors Agriandita, Isnani Arief Rahman Fitri, Muhamad Bintang kusrini, Desi Martasari, Rial Dwi Nasution, Alfisyahri Nugroho, Nur Khozin Adi Prakoso, Rio Dwi Syaeful Rohman, Pupung Tornando, Trendy Warto - Zaini, Agung Rizki