| 摘要 |
A system for locating a stuck pipe is disclosed which, in one aspect, includes a tool with a removable bi-sensor cartridge assembly which has at least two autonomous independent sensors, one for sensing torsion and one for sensing tension. The sensors may also be used to indicate temperature downhole. A method is disclosed for locating stuck pipe using such a sensor and using a slip joint according to the present invention. In one aspect the slip joint has a housing, a mandrel, and a two conductor coil cord assembly. |
