STUCK PIPE-CONCLUSION TEAM EFFORT ESSENTIAL IN COMBATING STUCK PIPE

Four additional flow diagrams, developed by BP Exploration Inc., are presented here to help the drilling team understand the likely symptoms that may lead to stuck pipe. This is the concluding article of a two-part series that began in OGJ on Apr. 1, p. 61. Fig. 1 traces possible causes for increased torque or required increases in weight while reaming in. Fig. 2 charts causes for torque and drag increasing while reaming out of hole.