Hydraulic and earth engineering – Fluid control – treatment – or containment – Fluid storage in earthen cavity
Patent
1978-12-01
1981-01-27
Corbin, David H.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Fluid storage in earthen cavity
220 18, 220222, 405259, B65G 500
Patent
active
042472202
ABSTRACT:
A liquid such as crude oil or fuel is stored in a subterranean pool covered with a diaphram-like cover plate sealingly applied thereto. On the cover plate is superimposed a protective body consisting of sand, soil, stones, rubbish, rocks or mixtures thereof. The protective body may be level with the terrain or be projecting thereabove. Inside the pool a pressure is established hydraulically or pneumatically equal to that exerted by the protective body on the cover plate and in this way the protective body is sustained via the cover plate. For the hydraulic method a pressurized working liquid is used, e.g. water. For the pneumatic methic a compressed gas is used such as air, a combustion gas, an inert gas or a paraffin gas. Various methods for mounting the cover plate are disclosed.
REFERENCES:
patent: 3325999 (1967-06-01), Schroeder et al.
patent: 3330118 (1967-07-01), Biais
patent: 3583594 (1971-06-01), Belanger et al.
patent: 3943721 (1976-03-01), Azalbert et al.
patent: 4068480 (1978-01-01), Lefever et al.
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