| 摘要 |
A method and apparatus for the testing of downhole a injection assembly prior to installation of the injection assembly in the completion string comprising an injection tubing, an injection sub, an injection valve, an injection sub test block, a pressure foot, a pressure foot test block, and means for introducing pressure at a desired level, the injection sub test block, a pressure foot, a pressure foot test block being interchangeably engageable with the injection sub for testing in a sequence to allow the pre-testing of the connections of components of the injection assembly at the surface of the well.
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