Tubular expansion apparatus and method

• Main Authors: CORONADO MARTIN P, TOM ANDY, KARA FATIH M, HO VAN N, SMITH, JR. SIDNEY K
• Format: Patent
• Language: English
• Published: 15.08.2006
• 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

Tools for expanding downhole tubulars into each other or in open hole are disclosed. One embodiment uses a movable cone biased by Bellville washers to move longitudinally against such bias and allow collets to move radially in or out to a predetermined maximum diameter. A release system allows colle...