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All Journal Jurnal Ilmu Lingkungan Media Ilmiah Teknik Lingkungan Journal of Multidisciplinary Academic
Sillak Hasiany
Environmental Engineering Study Program, Sumatera Institute Of Technology, Jl. Terusan Ryacudu, Way Huwi, Jati Agung, Lampung Selatan, Lampung 35365
Education Engineering Environmental Science Social Sciences

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Journal : Journal of Multidisciplinary Academic

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The Application of Well Injection Technology in the Produced Water Management Oil and Gas Industry Sillak Hasiany
Journal of Multidisciplinary Academic Vol 4, No 2 (2020): Science, Engineering and Social Science Series
Publisher : Penerbit Kemala Indonesia

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Produced water is the largest liquid waste generated from the production of oil and gas. The direct discharge of produced water into the environment can be harmful to human’s life and environmental. Thus, it needs to be managed, one of which is through the technology of well injection. Well injection technology is a technology where the produced water generated in the process of production of oil and gas will be returned to the earth by means of injecting it to injection wells. The purpose in this study was to identify the amount of produced water injected back into the injection wells and identify the constraints of the application of well injection technology in the company. The primary and secondary data were collected through field observations, laboratory analysis, and interviews. Descriptive analysis was conducted to know the constraints and benefits of applying this technology. The results showed that the re-injection technology was able to inject produced water of 37158 barrels per day. However, this technology led the wells to be increasingly saturated and leakage to produced water re-injection pipes
Identification of Aquifer, Ground Water-Bearing Rock, using Vertical Electrical Sounding (VES): East Lampung Case Study Intan Andriani Putri; Risky Martin Antosia; Alhada Farduwin; Reza Rizki; Yudha Styawan; Sillak Hasiany
Journal of Multidisciplinary Academic Vol 7, No 1 (2023): Science, Engineering and Social Science Series
Publisher : Penerbit Kemala Indonesia

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A one-dimensional geo-electrical method using Vertical Electrical Sounding (VES) has been carried out to model lithology and identify an aquifer, a water-bearing rock, in East Lampung to provide the water needs of the poultry breeding industry (PT. X) that is going to be established in the near future. Two VES points had been surveyed using Schlumberger electrode configuration to achieve good depth penetration and good vertical resolution. Geophysical modeling is not unique, overcoming this issue could be done using a global inversion method. A global inversion technique called Particle Swarm Optimization (PSO) was performed to create more reliable subsurface lithology, resulting in around 5 – 11% errors. The PSO algorithm deployed here took 1.000 particle numbers with ω=0.8; αl=1.8; and αg=2. The result shows that the study area’s lithology consists of Tuff, Sandy Tuffaceous, and Shaley Tuff. Sandy Tuffaceous is identified as a confining aquifer zone. There are two potential aquifer zones, Aquifer I and Aquifer II. Aquifer II has more potential as water resources of the industry due to its thickness, moreover, it is topped by impermeable Shaley tuff that prevents local climate effects such as rain that could decrease water quality.
Co-Authors Andika Munandar Antosia, Risky Martin Arif Setiajaya Farduwin, Alhada Firman Aldi Lewis H Putri, Intan Andriani Reza Rizki Siti Zulaicha, Annisaa Vinda Avri Yudha Styawan