期刊
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
卷 146, 期 -, 页码 1142-1157出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.petrol.2016.08.014
关键词
Zinc oxide nanoparticles-acrylamide composite; Shale swelling; Rheological properties; Drilling fluids; Elevated temperature
资金
- Ministry of Higher Education, Malaysia
- Universiti Teknologi Malaysia [R. J130000.7842.4F437]
- Higher Education Commission (HEC), Islamabad, Pakistan
- Mehran UET, Jamshoro
- Mehran UET SZAB, Khairpur Mir's campus, Sindh Pakistan
Multifunctional nano-micron composite compared to single nano-sphere materials revealed wide applications to enhance the physical and chemical stability of base fluids. Therefore, it can be a possible solution for the improvement of the rheological properties and shale inhibition characteristics of conventional water-based drilling fluid (WBDF). The primary goal of the study was to investigate the effects zinc oxide nanoparticles-acrylamide composite termed as ZnO-Am composite over rheological and shale swelling behavior of conventional WBDF. Herein, ZnO-Am composite was synthesized and successfully characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), thermalgravimeteric analysis (TGA), scanning electron microscope (SEM) and field emission electron microscope (FESEM). Results revealed that the rheological properties such as 10-min gel strength (10-min GS), apparent viscosity (AV), and plastic vicscocity (PV) were slightly increased and obtained within operating range at 150 degrees F by adding the synthesized composite in conventional WBDF. Lubricity was improved by 25% at 150 degrees F. API filtrate loss volume was reduced by 14%. Elevated temperature and pressure (ETP) filtrate loss volume (500 psi, 250 degrees F) was slightly minimized. Shale swelling was merely reduced from 16% to 9%. These findings will contribute to enhance the oil and gas well drilling operations. (C) 2016 Elsevier B.V. All rights reserved.
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