Patent ID: 6062312
Filing Date: 2000-05-16
Classification: E21B

Abstract:
A tree running tool with a mechanical mechanism for unlatching the tree running tool from a side valve tree, said tree running tool comprisinga tool body having an upper end, a lower end, and a longitudinal axis;a stem fixedly attached to the upper end of the tool body and extending axially therefrom, said stem having a lower end attached to the tool body and a generally annular flange at a position spaced apart from the tool body;a telescoping element positioned alongside the stem, said telescoping element having a generally annular flange at a position between the generally annular flange of the stem and the tool body;a retractable spacer movable from an engaged position between the generally annular flange of the stem and the generally annular flange of the telescoping element, wherein the spacer spaces the generally annular flange of the stem apart from the generally annular flange of the telescoping element, to a retracted position in which a void is formed between the generally annular flange of the stem and the generally annular flange of the telescoping element;a means mounted to the tool body and the spacer for moving the spacer from the engaged position to the retracted position; anda means mounted to the telescoping element for attaching the telescoping element to a lift device.