Patent ID: 8579037
Filing Date: 2013-11-12
Classification: E21B,G01V

Abstract:
1. A method for regulating an arm of a wellbore tool comprising the steps of: conveying a wellbore tool having a plurality of adjustable wellbore wall-engaging arms in a wellbore, wherein the wellbore tool comprises a tool body attached to a wellbore conveying mean; sensing a wellbore physical characteristic during conveyance of the wellbore tool at a leading portion of the wellbore tool in a direction of movement in the wellbore; and, controlling the adjustable wellbore wall-engaging arms utilizing the wellbore physical characteristic to regulate the position of the wall-engaging arms relative to the wellbore wall, conveying the wellbore tool in a direction of movement in the wellbore; sensing a physical characteristic of the wellbore during conveyance of the wellbore tool near the first group of wall-engaging arms; and, controlling the second group of wall-engaging arms utilizing the measured physical characteristic of the wellbore near the first group of wall-engaging arms to regulate the position of the second group of wall-engaging arms relative to the wellbore wall.