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| 单词 | total depth |
| 释义 | total depth in the Oil and Gas Industry (toʊtəl dɛpθ) or TD noun (Extractive engineering: Field development, Drilling) Total depth is the downward length of a well, measured by the length of pipe which is needed to reach the bottom. Total depth of a well is the vertical distance from the rig floor to the bottom of the hole. Casing may be inserted to the total depth of the hole or a cement plug may have been set at a specific depth and the casingset on top of it. Total depth is the downward length of a well, measured by the length of pipe which is neededto reach the bottom. |
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