Patent ID: 7921939

Claim:
A method for using a top drive having an airlift thread compensator and a hollow cylinder rod for providing minimum flexing of conduits, the method comprising: a. connecting a bail to an airlift enclosure of an airlift thread compensator having a first enclosure side with a first pin slot, and a second enclosure side with a second pin slot; b. disposing a bail pin within the first pin slot and the second pin slot; c. disposing an airbag within the airlift enclosure and inflating the airbag with air; d. connecting the airbag to the bail pin; e. connecting a first upper link and a second upper link to the bail pin; f. connecting the first upper link and the second upper link to a top drive housing supporting a rotatable stem; g. connecting the rotatable stem to a motor; h. disposing a heavy thrust bearing about the rotatable stem; i. connecting a first lower link and a second lower link to the top drive housing; j. connecting an inside blow out preventer to the rotatable stem; k. connecting a saver sub to the inside blow out preventer; l. connecting a torque wrench assembly to the top drive housing; and m. connecting an elevator to the first lower link and to the second lower link.