| Effect of Oil-well Produced Water on Properties of NBR Packer Element |
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| DOI： |
| Key Words: oil-well produced water；NBR；packer；aging property |
| Author Name | Affiliation | | ZHENG Liang | Drilling & Production Technology Research Institute of Liaohe Oilfield Company |
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| Abstract: |
| The effect of oil-well produced water on the properties of NBR packer element was investigated using oil-well produced water as test medium.The results showed that，the properties of NBR packer element changed with aging under the simulated well condition.With increase of soak time，the Shore A hardness of the packer element gradually increased，and the tensile strength and elongation at break gradually decreased.The main aging mechanism was cross-linking reaction.As the temperature increased，the aging rate increased rapidly.The oil-well produced water from high water cut wells had negative impact on the properties of NBR packer element. |
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