Patent ID: 9562401
Date: 2017-02-07
CPC Classifications: E21B

Claim:
1. A drilling rig having a mini-stabilizer tool for connecting to downhole components, the mini-stabilizer tool configured to simultaneously smooth a wellbore, centralize the downhole components from wear and damage and flow drilling fluid to at least one downhole component or at least one operating component while allowing wellbore fluid to flow to a surface unimpeded, the drilling rig comprising: a) a tower having a crown with a plurality of sheaves; b) a drawworks connected to a drawworks motor, the drawworks motor connected to a power supply; c) a cable extending from the drawworks through the plurality of sheaves over the crown; d) a lifting block connected to the cable; e) a hydraulic pump connected to a tank for flowing fluid into the wellbore as a drill pipe is turned into the wellbore; f) a rotating means for turning the drill pipe into the wellbore; g) a blowout preventer connected between the rotating means and the wellbore for receiving the drill pipe; and h) the mini-stabilizer tool mounted in a first drill pipe section and a second drill pipe section as the drill pipe is run into the wellbore to prevent wear and damage to the at least one downhole component or the at least one operating component; wherein the mini-stabilizer tool comprises: