Hydraulic and earth engineering – Fluid control – treatment – or containment – Fluid storage in earthen cavity
Patent
1983-04-04
1984-07-31
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Fluid storage in earthen cavity
166287, 405 53, 405133, E21D 500, B65G 500
Patent
active
044627149
ABSTRACT:
The invention disclosed herein is a method and apparatus for setting a cement plug in the wide-mouth shaft of an earth cavern. The apparatus includes a deflated balloon with a liquid fill pipe therein. In practice, the cavern is first filled with a liquid. Following this, the balloon is encased in a releasable girdle and lowered into the cavern through a casing, along with a cement fill pipe which remains above the balloon. When the balloon reaches a certain point in the cavern, below the casing, the girdle is released from the balloon and the balloon is filled with a liquid to inflate it. The inflated balloon seats against the cavern walls to provide an excellent support for the cement, which is pumped down the cement fill pipe.
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Correa Gustavo A.
Holley Ralph N.
Parks George R.
Smith Charles F.
Clausen V. Dean
Taylor Dennis L.
The Dow Chemical Company
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