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Cellar

A pit in the ground to provide additional height between the rig floor and the well head to accommodate the installation of blowout preventers, ratholes, mouseholes, and so forth. It also may collect drainage water and other fluids for subsequent disposal.

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创建者

  • Harry8L
  • (London, United Kingdom)

  •  (V.I.P) 574128 分数
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