Multi-shot tubing perforator

A perforator apparatus for punching holes in tubing within a well bore in which the apparatus is positioned comprises a punch (60) mounted within a housing (66) and retained in a holder (58) positioned on a tapered track (62); an opening in the housing (66) aligned with the punch (60); and hydraulic...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ROBERT PARKER, BRENT MARSH, TIMOTHY DAVID POLLOCK
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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