Well blowout preventer, and packing element

A well blowout preventer packer unit is characterized by long life, and induced back to front (radial) rubber feeding between metallic inserts to close on well pipe for producing a pressure gradient against the pipe which is greatest at the bottom of the packer extent engaging the pipe, and lowest a...

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Bibliographische Detailangaben
Hauptverfasser:	MURMAN, FERNANDO, MATSUDA, EUGENE, HUEY, WAI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A well blowout preventer packer unit is characterized by long life, and induced back to front (radial) rubber feeding between metallic inserts to close on well pipe for producing a pressure gradient against the pipe which is greatest at the bottom of the packer extent engaging the pipe, and lowest at the top of the packer extent engaging the pipe.