Ikhsan, Muhammad (2025) Analisis Dampak Penambahan Additive Cmc Eceng Gondok Terhadap Filtration Loss Dan Rheology Lumpur Pemboran. Other thesis, Universitas Islam Riau.

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Abstract

The main objective in oil and gas drilling operations is how the drilling can reach the planned final depth without any errors. This is related to common problems encountered in drilling mud, especially the lack of mud viscosity, which causes the inability of the mud to lift cuttings and the loss of fluid into the rock known as (filtration loss). The additive currently used in the oil industry for filtration loss is carboxymethyl cellulose (CMC). Mud that uses a basic mixture of additives in the form of CMC is useful for binding water and increasing viscosity. In this study, the focus is on producing carboxymethyl cellulose from water hyacinth, a wild weed that grows quickly in water and is very problematic. First of all, the cellulose compound found in water hyacinth needs to be isolated so as not to interfere with CMC production. There are two main reactions to convert cellulose into CMC: the first procedure is alkalization and the second reaction is followed by carboxymethylation. According to (Aini & Kuswytasari, 2013) dry water hyacinth has a chemical content in the form of cellulose 64.51%; pentose 15.61%, lignin 7.69%, silica 5.56% and ash 12%. The rheology of drilling mud that must be controlled in a drilling operation, whether oil and gas or geothermal, is viscosity, plastic viscosity, yield point, and gel strength. From the results of filtration loss and rheology research using CMC water hyacinth with concentrations of 2, 4, 6, 8. The density 8.60 - 8.65 ppg , viscosity values obtained were 45.11 - 49.43 s / quart, plastic viscosity 10 - 28 cp, yield point 29 - 41 lb / 100ft ^ 2, gel strength 0.4923 - 0.6723 lb / 100ft ^ 2, filtration loss 9.2 - 6.8 ml / 30 minutes, mud cake 0.30 - 0.79 mm. large. The more the addition of CMC water hyacinth mass, the value of the filtrate volume obtained from filtration loss will decrease because the mud is thicker and all the results meet API standards.

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