Patent ID: 6793020
Filing Date: 2004-09-21
Classification: E21B

Abstract:
A torque table apparatus for installing a secondary string of tubulars into a borehole, the torque table apparatus comprising:a base assembly to centralize and retain a primary string of tubulars; a stripping table to position and retain the secondary string of tubulars; said stripping table positioned with relation to said base assembly in order to define a preferred relationship between said primary string and the secondary string of tubulars; said base assembly including a stop tower assembly, said stop tower including a load cell; a first wrench to grip the secondary string below a tool joint of interest, said first wrench configured to abut said load cell; a second wrench to grip the secondary string above said tool joint of interest, said second wrench configured to apply torque to said tool joint of interest when said second wrench is moved relative to said first wrench in a make-up direction; and said load cell configured to display a reading as said second wrench is moved in said make-up direction.