Jarring precautions Heavy pulling and jarring shall be carried out using the top drive/ kelly…

Taper Mills Taper mills can be used for reaming out collapsed or stuck pipe such…

Jarring Stuck Pipe The pipe shall be immediately worked and jarred in the opposite direction…

Chemical Cutters for Stuck Tubing or Drillpipe The chemical cutter is a tool designed to…

Pulling Stuck Pipe Prior to pulling stuck drill pipe or stuck casing, carry out the…

Formation Instability When dealing with areas of formation instability it is necessary to: – trip…

Backing off Procedures The string shot size shall be determined by the Logging Engineer so…

Lost Sidewall Sample Bullets In case of lost Sidewall Sample Bullets, the following guidelines should…