Uji Laboratorium Rheology, Filtration Loss Dan Mud Cake Terhadap Oil Base Mud Berbahan Dasar Biosolar Dan Minyak Jelantah Serta Komparasi Terhadap Lingkungan Uji Laboratorium Rheology, Filtration Loss Dan Mud Cake Terhadap Oil Base Mud Berbahan Dasar Biosolar Dan Minyak Jelantah Serta Komparasi Terhadap Lingkungan

Saputra, M Febry Arman (2022) Uji Laboratorium Rheology, Filtration Loss Dan Mud Cake Terhadap Oil Base Mud Berbahan Dasar Biosolar Dan Minyak Jelantah Serta Komparasi Terhadap Lingkungan Uji Laboratorium Rheology, Filtration Loss Dan Mud Cake Terhadap Oil Base Mud Berbahan Dasar Biosolar Dan Minyak Jelantah Serta Komparasi Terhadap Lingkungan. Other thesis, Universitas Islam Riau.

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Abstract

Clay swelling is one of the problems that often occurs in drilling activities. The clay zone will expand in the shale layer if using water-based mud because the clay will react with water which can cause deposition in rock formations and affect pipe quality. In addition, if it is not immediately addressed, the pipe circuit will be pinched and shorten the life of the wellbore, resulting in high operating costs. To overcome this problem, an oil-based mud is needed. Because oil based mud is resistant to high temperature and pressure and has the advantage of controlling viscosity, increasing gel strength, reducing the effects of water contamination and filtrate loss. Biodiesel and used cooking oil were used in this study as the main ingredients for oil based mud. This study uses an experimental method by utilizing household cooking waste or used cooking oil as an alternative to oil-based mud. Oil based mud made from used cooking oil is expected to be more effective and better than diesel, which is the main ingredient for oil based mud used in the field. This oil based mud test uses 6 samples of mud with different oil water ratios, namely 60/40, 70/30 and 80/20 to test the parameters of density, rheology, filtration loss and mud cake according to API 13B-2 standard procedures. From the test results for oil based mud with different oil water ratios, the best test results were obtained by biodiesel oil with an oil water ratio of 70/30, with a density value of 8.22 ppg, pH 11, plastic viscosity 29 cp, yield point 16 lb/100 ft², gel strength 0.71 lb/100 ft², and 15 ml filtrate loss and 1.5 mm thick mud cake. While the used cooking oil base are still in good value for oil based mud. So, it can be concluded that biodiesel-based oil based mud has a better ability than used cooking oil base oil for laboratory scale. Keywords : Clay Swelling, Oil Based Mud, Diesel, Used Cooking Oil, Oil Water Ratio.

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