| 单词 | water packer |
| 释义 | > as lemmaswater packer water packer n. Oil Industry a packer (packer n.1 5) used to prevent movement of water in an oil well, esp. downward movement in the space between the wall of the well and the drill pipe. ΚΠ 1870 U.S. Patent 105,156 1/1 The object of my invention is to cut the casing or tubing in oil-wells, so as to relieve them from the seed-bag water-packers, or other obstructions. 2008 Explor. & Technol. (Nexis) 3 Jan. In this location the 32 elements of oil and water packers provide a seal between the inside of the 4 1/2-in. tubing and the new completion string. < as lemmas |
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