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All Journal Gema Wiralodra
Adrian Indarti
Institut Teknologi Petroleum Balongan, Indramayu, Indonesia
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Productivity Calculation of Well Tlj-250 Post Hydraulic Fracturing Job at Pt . Bukit Apit Bumi Persada Adrian Indarti; Desi Kusrini; Isnani Agriandita; Rio Dwi Prakoso
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
Performance Comparison of the Driller’s Method and Wait and Weight Method for Effective Well Kick Management of Rig AAM#18 ZJ70DBS 2000 HP Agustina Prihantini; Adrian Indarti; Mulkan Hafiz
Gema Wiralodra Vol. 16 No. 3 (2025): Gema Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/gw.v16i3.878

Abstract

KW Well in the S Field is a development well in Bojonegoro, East Java, drilled with the AAM #18 ZJ70DBS 2000 HP rig. Drilling activities in the oil and gas sector frequently encounter risks, one of which is a well kick, defined as the entry of formation fluids into the wellbore that can escalate into a blowout. This research focuses on implementing the Wait and Weight method to manage a kick in KW Well, after the Driller’s Method had initially been applied. The Wait and Weight technique was selected because it lowers pressure at the casing shoe, completes control with a single circulation, and works well in loss-prone formations. The analysis used field data such as casing and drill string dimensions, hole size, LOT results, depth, initial mud weight, pump rate, shut-in drill pipe and casing pressures, and pit gain. The kick occurred due to hydrostatic pressure being insufficient to balance formation pressure. Using the Wait and Weight method required 3,679.84 pump strokes and 122.66 minutes of pumping. In contrast, the Driller’s Method needed 6,227.16 strokes and 3 hours 28 minutes. This comparison shows that the Wait and Weight method is more efficient in both time and pump strokes, making it a preferable option for managing kicks under similar well conditions.
Co-Authors Agustina Prihantini Desi Kusrini Isnani Agriandita Mulkan Hafiz Rio Dwi Prakoso