Linear drive beam pumping unit

A beam pumping unit includes a base, a Sampson post supported by the base, a walking beam pivotably supported by the Sampson post and a horsehead on the front end of the walking beam, The horsehead is connected to a polished rod that extends through a wellhead to a subsurface pump. Tile beam pumping...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	DOYLE, David Warren
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	A beam pumping unit includes a base, a Sampson post supported by the base, a walking beam pivotably supported by the Sampson post and a horsehead on the front end of the walking beam, The horsehead is connected to a polished rod that extends through a wellhead to a subsurface pump. Tile beam pumping unit includes a linear drive unit connected between the base and the Sampson post to force the walking beam to rock up and down on the Sampson post. The linear drive unit includes a linear drive system and an integrated pneumatic counterbalance system.