Hydraulic and earth engineering – Fluid control – treatment – or containment – Floatable matter containment
Patent
1980-12-01
1983-02-15
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Floatable matter containment
405209, E02B 1504
Patent
active
043738346
ABSTRACT:
A portable off shore well installation apparatus, particularly for off shore wells, utilizing a pollution control curtain surrounding drilling equipment between the surface of the water and a well head, such curtain comprising a submerged anchor ring having secured to the top thereof an axially extendable water impermeable sleeve secured at its lower end to the top of the submerged anchor ring, a float ring secured to the upper end of the extendable sleeve, a plurality of longitudinally spaced buoyant rings attached at suitable intervals about the periphery of the sleeve to provide uniform axial extension of the sleeve, and a fillable retriever ring secured to the lower portion of the anchor ring to facilitate installation and removal of the curtain from the well site when the retriever ring is filled with a buoyant substance.
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patent: 3548605 (1970-12-01), Paull et al.
patent: 3561220 (1971-02-01), Riester
patent: 3599434 (1971-08-01), Missud
patent: 3653215 (1972-04-01), Crucet
patent: 3664136 (1972-05-01), Laval et al.
patent: 3724662 (1973-04-01), Ortiz
patent: 3879951 (1975-04-01), Mason
patent: 4047390 (1977-09-01), Boyce
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