Effect of Different Nitrile Elastomers in Down Hole Drilling Applications

This paper discusses the use of rubber products in oilfield drilling applications and the analysis of their possible failure modes. Background information on the actual rubber products and their expected environment and service conditions is also presented. The effect of different nitrile butadiene rubber (NBR), hydrogenated nitrile butadiene rubber (HNBR), and carboxylated nitrile butadiene (XNBR), were evaluated in a down hole packer application. The effect of acrylonitrile content (% ACN) level within the elastomers was evaluated as well.

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