METHOD OF REPAIR OF COLLAPSED OR DAMAGED TUBULARS DOWNHOLE

摘要

A method of repairing tubulars downhole is described. A swage is secured to aforce magnification tool, which is, in turn, supported by an anchor tool.Applied pressure sets the anchor when the swage is properly positioned. Theforce magnification tool strokes the swage through the collapsed section. Theanchor can be released and weight set down on the swage to permit multiplestroking to get through the collapsed area. The swage diameter can be varied.