[1]. Navarrete R. C., Dearing H. L., Marsaglia K. M. and Seheult J. M., “Experiments in fluid loss and formation damage with xanthan-based fluids while drilling,” IADC/SPE Asia Pacific Drilling Technology Conference, Kuala Lumpur, Malaysia, 2000##
[2]. Navarrete R. C., Seheult J. M. and Coffey M. D., “New bio-polymers for drilling, drill-in, completions, spacer fluids and coiled tubing applications,” IADC/SPE Asia Pacific Drilling Technology Conference, Kuala Lumpur, Malaysia, 2000.##
[3]سلماسی سلامزاده، مهریار، بررسی کاربرد رفتار رئولوژیکی پلیمرهای مختلف در حفاری افقی، یازدهمین کنگره ملی مهندسی شیمی ایران، سال 1385.##
[4]. Sarber J. G., Reynolds C., Michel C. M., Haag K. and Morris R. A., “The use of diutan biopolymer in coiled tubing drilling mud systems on the North slope of Alaska,” SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, The Woodlands, Texas, USA, 2010.##
[5] Olatunde A. O., Usman M. A., Olafadehan O. A., Adeosun T. A. and Ufot O. E., “Improvment of rheological properties of drilling fluid using locally based materials,” Petroleum & Coal, Vol. 54, No.1, pp. 65-75, 2012.##
[6] Nwosu O. U. and Ewulonu C. M., “Rheological behaviour of eco-friendly drilling fluids from biopolymers,” J. of Polymer and Biopolymer Physics Chemistry, Vol.2, No.3, pp. 50-54. 2014.##
[7]. Patterson E., Topgaard D., Stilbs P. and Soderman O., “Surfactant/nonionic polymerinteraction,” A NMR Diffusometry and NMR Electrophoretic Investigation, Langmuir, Vol. 20, pp. 1138-1143, 2004##
[8]. Goddard E. D., “Polymer--surfactant interaction part I. uncharged water-soluble polymers and charged surfactants,” Colloids and Surfaces, Vol. 19, pp. 255-300. 1986##
[9]. Powell J. W., Parks C. F. and Seheult J. M., “Xanthan and welan: the effects of critical polymer concentration on rheology and fluid performance,” International Arctic Technology Conference, Anchorage, Alaska., 1991##
[10]. Gonzalez J. M, Quintero F., Arellano J. E., Márquez R. L., Sánchez C. and Pernía D., “Effects of interactions between solids and surfactants on the tribological properties of water-based drilling fluids,” Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 391, No. 1-3, pp. 216-223, 2011,##
[11]. Ogugbue C., Rathan M. P. and Shah S. N., “Experimental investigation of biopolymer and surfactant based fluid blends as reservoir drill-In fluids,” SPE Oil and Gas India Conference and Exhibition, Mumbai, India, 2010##
[12]. Mogolon A.O, “Entrance of oil-base muds into shale,” M.Sc. Dissertation, The University of Texas at Austin, USA, 2006.##
[13] Lindman B. and Thalberg K., “Interactions of surfactants with polymers and protiens,” Boca Raton: CRC Press, 1993.
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