Experimental and factorial design analysis of viscosity and fluid loss control of water-based mud treated with pineapple leaves

Q1 Earth and Planetary Sciences
Oluwatoyin Olakunle Akinsete, Hussein Omeiza Aliu
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引用次数: 1

Abstract

The cost of oil and gas drilling fluids with their chemical additives is fairly high above the total well cost. It is imperative that mud engineers find cellulose-rich agro wastes local alternatives to cut down costs. In this work, we analyzed the effect of pineapple leaves as a cheaper and more environmentally friendly alternative additive on certain drilling fluid properties. Laboratory analysis and Factorial Design of Experiment (FDE) were carried out to study the effect of Pineapple leaves (PL) on water-based drilling mud’s viscosity and fluid loss at an ambient temperature of 29 °C, and pressure of 100 psi. Full 23 and 24 FDE which consider aging; the concentrations of Carboxymethyl cellulose (CMC) and PL; fluid loss time are independent variables while viscosity and fluid loss are the response variables that were managed. The main and interaction effects were investigated. Results showed that pineapple leaves are slightly acidic and cannot completely replace CMC. Combining it with CMC yields a better viscosity and fluid loss property. 1 g of CMC combined with 10 g of PL in a barrel of drilling mud gave a filtrate volume slightly higher (9%) than the control mud with 2 g CMC only, whereas, combining 5 g/10 g of PL with 2 g CMC reduced the filtrate volume by 5 and 24 %, respectively, making PL a good complementary fluid loss agent. Analysis of the main and interaction effects from factorial design also revealed that the PL and its interaction with CMC contribute about 30% to viscosity and prevented fluid loss by 5%. A plot of the plastic viscosity and fluid loss volume of samples containing 10 g of PL and varying CMC concentrations showed that combining the two additives in a CMC to PL ratio of 1.5:10 yielded mud properties comparable with the control mud. The volume of PL agro-wastes was also reduced.

菠萝叶处理水基泥浆粘度及失滤的试验及析因设计分析
含化学添加剂的石油和天然气钻井液的成本相当高,高于油井的总成本。泥浆工程师必须在当地找到富含纤维素的农业废料的替代品,以降低成本。在这项工作中,我们分析了菠萝叶作为一种更便宜、更环保的替代添加剂对某些钻井液性能的影响。在环境温度为29℃、压力为100 psi的条件下,通过室内分析和试验析因设计(Factorial Design of Experiment, FDE)研究了菠萝叶(PL)对水基钻井泥浆粘度和滤失的影响。考虑衰老的全23和24 FDE;羧甲基纤维素(CMC)和PL浓度;失液时间是独立变量,而粘度和失液是需要控制的响应变量。研究了主效应和交互效应。结果表明,菠萝叶呈微酸性,不能完全替代CMC。与CMC结合可获得更好的粘度和滤失性。在一桶钻井泥浆中,1 g CMC与10 g PL混合,其滤液体积略高于对照泥浆中仅含2 g CMC的滤液体积(9%),而5 g/10 g PL与2 g CMC混合,滤液体积分别减少了5%和24%,使PL成为一种很好的补充滤失剂。析因设计的主效应和相互作用分析也表明,聚乳酸及其与CMC的相互作用对粘度的贡献约为30%,并减少了5%的失液。含有10 g PL和不同CMC浓度的样品的塑性粘度和失液体积图表明,在CMC与PL的比例为1.5:10的情况下,将两种添加剂组合在一起,得到的泥浆性能与对照泥浆相当。PL农业废弃物的体积也减少了。
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来源期刊
Egyptian Journal of Petroleum
Egyptian Journal of Petroleum Earth and Planetary Sciences-Geochemistry and Petrology
CiteScore
7.70
自引率
0.00%
发文量
29
审稿时长
84 days
期刊介绍: Egyptian Journal of Petroleum is addressed to the fields of crude oil, natural gas, energy and related subjects. Its objective is to serve as a forum for research and development covering the following areas: • Sedimentation and petroleum exploration. • Production. • Analysis and testing. • Chemistry and technology of petroleum and natural gas. • Refining and processing. • Catalysis. • Applications and petrochemicals. It also publishes original research papers and reviews in areas relating to synthetic fuels and lubricants - pollution - corrosion - alternate sources of energy - gasification, liquefaction and geology of coal - tar sands and oil shale - biomass as a source of renewable energy. To meet with these requirements the Egyptian Journal of Petroleum welcomes manuscripts and review papers reporting on the state-of-the-art in the aforementioned topics. The Egyptian Journal of Petroleum is also willing to publish the proceedings of petroleum and energy related conferences in a single volume form.
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