METHODS FOR EXTERNAL ABRADER CLEANING AND INSPECTION OF TUBULARS

Methods are disclosed for performing operations such as cleaning, inspection or data acquisition on an external surface of a hollow cylindrical tubular. Preferred embodiments include providing a fluid dispenser and an abrasion assembly on a buggy that travels up and down the length of the tubular as...

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Bibliographische Detailangaben
Hauptverfasser:	Wheeler Jeffrey R, DeCuir, JR. Perry J, Thomas William C, Thomas, III William J
Format:	Patent
Sprache:	eng
Schlagworte:	CLEANING CLEANING IN GENERAL DRESSING OR CONDITIONING OF ABRADING SURFACES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS FIXED CONSTRUCTIONS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS POLISHING PREVENTION OF FOULING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	Methods are disclosed for performing operations such as cleaning, inspection or data acquisition on an external surface of a hollow cylindrical tubular. Preferred embodiments include providing a fluid dispenser and an abrasion assembly on a buggy that travels up and down the length of the tubular as the tubular rotates. The fluid dispenser includes nozzles that dispense cleaning fluids onto the tubular's external surface. The abrasion assembly includes a swivel brush and a brush train providing different styles of abrasion cleaning of the tubular's external surface. Preferred embodiments include robotically monitoring abrader contact against the external surface of the tubular, and, in response, dynamically adjusting the distance between the external surface of the tubular and the abrasion assembly.