TONG ASSEMBLY

A tubular handling apparatus includes a power tong; a backup tong; and a load transfer assembly connected between the power tong and the backup tong. The load transfer assembly includes a first link having a first load cell positioned to measure a first force exerted on the first link; and a second...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	THIEMANN, Bjoern
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A tubular handling apparatus includes a power tong; a backup tong; and a load transfer assembly connected between the power tong and the backup tong. The load transfer assembly includes a first link having a first load cell positioned to measure a first force exerted on the first link; and a second link having a second load cell positioned to measure a second force exerted on the second link. The tubular handling apparatus may also include a tong control assembly configured to select the first load cell for use in a tubular makeup operation and to select the second load cell for use in a tubular breakout operation.