Grapple attachment for use with drill pipes

• Main Authors: LAVALLEY, ROGER, LAVALLEY, JASON
• Format: Patent
• Language: English
• Published: 02.05.2013
• Subjects: 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

A grapple attachment (10) for use with a drill pipe having a diameter, that may include first and second gripping members (30) disposed on a rigid lateral member (16) tiltable up to 40 degrees from the horizontal and preferably continuously rotatable, wherein each of the first and second gripping me...