羧甲基纤维素、Na2CO3和KOH添加剂制备膨润土基钻井Boyolali泥浆

Adi Ilcham, Muhammad Adittyanto, Khairul Asrori, Wakhid Umar
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摘要

本研究旨在考察添加KOH、Na2CO3和羧甲基纤维素添加剂对泥浆物理性能的影响,以及污泥生产的最佳添加剂。基础污泥的制备包括添加22.5克膨润土,350毫升蒸馏水和10克重晶石作为常数。然后陈述了Na2CO3添加剂的0.5个变化;1.5;3克,KOH 0.5;1.5;和3克,以及羧甲基纤维素3;6;9克。进行了涉及密度的物理性质测量。样品在300和600转转盘速度下评估塑料粘度和屈服点。压滤机压缩30分钟后,测定滤失、泥饼、pH值。结果表明,KOH添加剂使屈服点降低8.6 lb/100ft2,滤液损失增加5.8 mL,沉积物pH值增加11.12点。添加Na2CO3后,滤液损失分别减少10.4、8.8、7.6 mL,塑料粘度增加。羧甲基纤维素可使塑料粘度提高7;13;55 cP,凝胶强度提高4倍;6;40 Lb/100 ft2,滤液损失10;8;7.6毫升。羧甲基纤维素是对泥浆物理性质影响最大的添加剂,因为它可以影响塑料粘度、凝胶强度、屈服点和滤液损失,从而使土壤达到API 13A标准。羧甲基纤维素的最佳添加量为6克,即13 cP。
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Bentonite-Based Drilling Boyolali Mud Fabrication with Additive Carboxymethyl Cellulose, Na2CO3 and KOH
This study aimed to examine the effect of adding KOH, Na2CO3, and Carboxymethyl Cellulose additives on the physical properties of the mud, as well as the optimal additive for sludge production. The preparation of the basal sludge involved the addition of 22.5 grams of bentonite, 350 millilitres of distilled water, and 10 grams of Barite as a constant variable. Then it stated 0.5 variations of the Na2CO3 additive; 1.5; 3 grams, KOH 0.5; 1.5; and 3 grams, and Carboxymethyl Cellulose 3; 6; and 9 grams. A physical property measurement involving density was conducted. Samples were evaluated for Plastic Viscosity and Yield Point at 300 and 600 rpm dial speeds. After 30 minutes of filter press compression, the filtration loss, mud cake, and pH were measured. The results indicate that the KOH additive decreases Yield Point by 8.6 lb/100ft2 and increases Filtrate Loss by 5.8 mL and sediment pH by 11.12 points. The additive Na2CO3 then causes a reduction in Filtrate Loss of 10.4, 8.8, 7.6 mL and an increase in Plastic Viscosity. While Carboxymethyl Cellulose can increase Plastic Viscosity by 7; 13; 55 cP, Gel strength by 4; 6; 40 Lb/100 ft2, and Filtrate Loss by 10; 8; 7.6mL. Carboxymethyl Cellulose is the additive that has the most significant effect on the physical properties of the mud because it can affect Plastic Viscosity, Gel Strength, Yield Point, and Filtrate Loss so that the soil can approach API 13A Standards. The optimal amount of Carboxymethyl Cellulose should be added at a mass of 6 grams, or 13 cP.
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