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Development of Fluoropolymer Foulant-Resistant Coatings for Downhole and Heat Exchanger Applications

A common problem in the oil and gas industry is the precipitation of organic and inorganic materials onto tubing surfaces when the process stream undergoes pressure and/or temperature changes. The resultant deposition of these materials onto the tube surface can be as benign as a nuisance to a major problem involving both production output/delays and operational safety. A potential solution to this problem is to apply a coating with “nonstick” properties to prevent scaling and organic fouling where sweet or sour conditions prevail. Fluoropolymers are a class of materials that have excellent chemical resistance and release properties and can function at high temperature.This paper describes the development of novel fluoropolymer-based coatings for preventing fouling from a variety of inorganic and organic foulants under sweet or sour conditions. Testing protocols included autoclave acid resistance cathodic disbondment Atlas cell scaling erosion abrasion and impact testing. In addition several in-field case studies will be presented which highlight the capability of these exceptional coatings under various conditions.

Product Number: 51319-12903-SG
Author: Richard Maynard
Publication Date: 2019
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