SYSTEMS AND METHODS FOR CONTROLLING HEAD TENSION

SYSTEMS AND METHODS FOR CONTROLLING HEAD TENSION

Systems and methods for regulating head tension in a wireline system are described herein. A head tension control system may determine a head tension based on a speed of the tool driving equipment and a cable speed of the cable as a function of an operation of the winch. A head tension regulation er...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Bu, Fanping, Tauchi, Hisayo, Ditlefsen, Ken-Vidar, Varveropoulos, Vassilis
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:Systems and methods for regulating head tension in a wireline system are described herein. A head tension control system may determine a head tension based on a speed of the tool driving equipment and a cable speed of the cable as a function of an operation of the winch. A head tension regulation error may be determined based on a comparison of the head tension and a target head tension, and the head tension control system may operate the winch or the tool driving equipment according to an operating zone that includes the head tension regulation error. The operating zone may be defined by a first range of values for a difference between the speed of the tool driving equipment and the cable speed, and a first range of values for a difference between the head tension and the target head tension.