Analysis Of Density, Turbidity, And Chloride Content In Potassium Chloride Samples For Drilling Processes

Arjun Trio Amin; Meyliana Wulandari; Defita Andini; Dede Sukandar; Rachmi Kartini

doi:10.21009/JRSKT.092.08

Authors

Arjun Trio Amin Universitas Negeri Jakarta
Meyliana Wulandari Universitas Negeri Jakarta
Defita Andini Chemistry Study Program, Faculty of Science and Technology, Universitas Islam Negeri Syarif Hidayatullah Jakarta, Jl. Ir. H. Juanda No. 95, Ciputat, Ciputat Timur District, South Tangerang City, Banten, 15412, Indonesia
Dede Sukandar Chemistry Study Program, Faculty of Science and Technology, Universitas Islam Negeri Syarif Hidayatullah Jakarta, Jl. Ir. H. Juanda No. 95, Ciputat, Ciputat Timur District, South Tangerang City, Banten, 15412, Indonesia
Rachmi Kartini Research and Development Center for Oil and Gas Technology LEMIGAS, Jl. Ciledug Raya No. 109, South Jakarta, 12230, Indonesia

DOI:

https://doi.org/10.21009/JRSKT.092.08

Keywords:

Argentometric Titration, Density Analysis, Drilling Fluid, Potassium Chloride

Abstract

Petroleum remains a key energy source in Indonesia, driving continuous drilling to find new oil reserves. Drilling operations rely on potassium chloride (KCl) as a supporting chemical, functioning to stabilize rock formations, reduce pipe corrosion, and control wellbore failure. KCl used for drilling must meet quality standards set by Scomi Oiltools' Drilling Fluid Engineering handbook. This Field Work Practice, conducted at LEMIGAS, Jakarta, evaluated the density, turbidity, and chloride content of eleven KCl samples from three companies against Scomi Oiltools standards. Density was measured using an Automatic Density Analyzer (ASTM C604); turbidity via Direct Reading Spectrophotometer (ASTM D7315-17); and chloride content through Mohr argentometric titration (ASTM D512-04; SNI 6989.19:2009). Results showed densities of 1.9–2.9 g/mL, exceeding the ideal 1.0–1.16 g/mL range, and chloride levels of 1,950–2,060 ppm, far below the required minimum of 4,700 ppm. Turbidity ranged from 1–80 FTU, with all but one sample meeting the standard below 20 FTU. Thus, while turbidity generally complied, density and chloride content of all samples failed to meet Scomi Oiltools standards, highlighting the need for rigorous quality testing before selecting KCl for drilling use.

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