Experimental Investigation on new Composition of Nano-Polymer surfactant as Fluid Loss Control Agent

سال انتشار: 1397
محل انتشار: سومین همایش بین المللی نفت، گاز، پتروشیمی و HSE
کد COI اختصاصی: OGPH03_005
زبان مقاله: انگلیسی
تعداد مشاهده: 397

نویسندگان

چکیده

The filtrate invasion is the most critical parameter that may cause a wellbore failure if not properly controlled. Also, the filtrate induced formation damage and problems with filter cake removal adversely affect the well productivity or injectivity. The literature survey reveals the advantages of polymer, surfactant and Nanoparticles systems independently and also combination of two of these. A study is necessary to see the effect and advantages of combining all three systems together i.e. a Polymer-Surfactant-Nanoparticles system and to measure the rheological and fluid loss characteristics of the complex combined drilling fluid system. The objective of this research was to study the effectiveness of a Bio Polymer - Surfactant fluid blends, containing Nanoparticles as fluid loss additives in reducing the filtrate losses to the formation by forming a thin, non-erodible filter cake. Presented results show that sized silica nanoparticles can be used instead of sized calcium carbonates which are a very effective inorganic bridging agent, however, difficult to maintain. The polymer - surfactant blend is better in rheological properties as well fluid loss properties than a Bio-Polymer based fluid or Surfactant based fluid. It captures the merits of both fluid systems. The nanoparticles play an important role in reducing the fluid loss of the individual fluid systems. Also, the nanoparticles based Polymer-Surfactant blend is a good solution for solids free reservoir drill in fluids for horizontal shale drilling applications.

کلیدواژه ها

nanoparticle, fluid loss, surfactant

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