نمایش نتیجه 1 تا 3 از 3 نتیجه یافت شده برای external casing packer:
external casing packer.
n: the rubber tools of hydraulically operated packoff colsed on the casing and connected in the place where the layer should be packed off
a rubber bladder over a section of casing that is inflated, usually with cement, to give an annular seal in open hole sections. Frequently used with liners and set at intervals along the open hole.
n: refer to external casing packer.
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