Abstract: A mathematical model of an oil field drill string which includes the effect of torque has been developed. The drill string can include arbitrary members with known mechanical properties. The ...

Abstract: The effects of surfactant solution aluminum chloride on cutting granite rock with a diamond were investigated experimentally. Tests were conducted by cutting on the cylindrical surface of a ...

Abstract: The performance and life of diamond drill bits is presented with discussion of the analytical background, single point diamond studies, laboratory drilling performance tests, and field performance ...