Fire suppression apparatus for well drilling system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 30, 1999
Issued Date -
N/A
app pub date -
Mar 26, 1999
filing date -
Dec 23, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a well drilling system a fire suppression apparatus includes a pressure rated bell nipple or enclosure member mounted on the blowout preventer and including an elongated central passage opening at one end to an enlarged bore portion adjacent a restabbing flange. Diametrically opposed convergent nozzles open into the enlarged bore portion and are connected to a source of pressure water and/or a source of pressure fire extinguishing fluid by way of a manifold and respective remotely controllable shut off valves and check valves. The enclosure replaces a conventional bell nipple and provides an added measure of fire suppression protection in the event of uncontrolled flow of well fluids from the well. Branch conduit sections are connected to the main conduit section of the enclosure to provide a cuttings evacuation fluid flow line and a fill up or well fluid diversion line.
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Cited Art Landscape
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