Synthesis and Evaluation of Poly (isobutylene-alt-maleic anhydride)-co-Poly (ethylene glycol) and its Copper Oxide Nanocomposite for Enhancing the Performance of Water-based Drilling Fluids in HPHT Wells | ||||
| Egyptian Journal of Chemistry | ||||
| Article 33, Volume 65, Issue 9, September 2022, Page 349-360 PDF (857.57 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejchem.2022.111764.5075 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Ahmed Abdelhak1; Ahmed Fathy Ghanem   2; Abdulaziz Abdulaziz3; khalid kabel4; Ahmed Zakariya Noah5; Ahmed Youssef 6; Abdel Sattar Dahab 3
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| 1Drilling Fluids, Halliburton, El Katameya, Cairo, Egypt | ||||
| 2Packaging Materials Department, National Research Centre, 33 El Behooth St., Dokki, Giza, Egypt | ||||
| 3Department of Mining, Petroleum and Metallurgical Engineering, Faculty of Engineering, Cairo University, Egypt | ||||
| 4petroleum applications department, egyptian petroleum research institute | ||||
| 5Egyptian Petroleum Research Institute, Nasr City, Cairo, Egypt | ||||
| 6Packaging Materials, National Research Centre, Cairo, Egypt | ||||
| Abstract | ||||
| Enormous research work has been performed in order to retain the desired rheological, filtration, and friction properties of water-based drilling fluids at elevated temperature and pressure. In the current work, polyester copolymer (PES) was synthesized by esterification of poly isobutylene maleic anhydride (PIBMA) with poly ethylene glycol (PEG). Copper oxide nanoparticles (CuO NPs) were added during the copolymerization in different ratios, 0.5, 1, and 2 Wt. %, so that new nanocomposites were obtained. The prepared PES and its nanocomposites were characterized by nuclear magnetic resonance (NMR), X-ray diffraction (XRD), transmission electron microscope (TEM), fourier infrared spectroscopy (FTIR), and thermal gravimetric analysis (TGA). Moreover, case studies were conducted through analyzing the samples composed of water-based muds (WBM), developed with the copolymer and its CuO nanocomposites, compared with the blank ones. The results showed great enhancement in rheological, filtration, and friction properties of WBM developed by 3.5 ppb of PES copolymer (PIBMA-PEG) that can withstand high temperature beyond〖 400〗^⁰ F. On the other hand, the prepared nanocomposites showed an adverse effect on mud rheology at temperature greater than 300⁰F. The results appear a promising development in copolymerization and nanotechnology that plays a vital role to enhance drilling fluids performance at high temperature environment and minimize drilling cost together with the non-productive time (NPT). Considering that the best result is approached by adding 7 ppb PES to NaCl polymer mud that sustain rheological properties especially yield point (YP = 23 Ib/100 〖ft〗^2) accompanied by controlling both filtrate volume and induced friction. | ||||
| Keywords | ||||
| Copolymerization; Nanocomposites; Water-based muds; HPHT wells | ||||
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