Vorrichtung zum Fernsteuern druckmittelbetaetigter Werkzeuge oder dergleichen

1,072,660. Wells &c. HYDRIL CO. Oct. 7, 1964 [Oct. 14, 1963], No. 40962/64. Heading E1F. [Also in Divisions F2 and H2] Components (such as valves, blow-out preventers and connectors) at an underwater wellhead are operated by fluid pressure, the flow of fluid being remotely controlled by electric...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	EDWARD LEWIS,GEORGE
Format:	Patent
Sprache:	ger
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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