Stuck Pipe

Fishing in slim hole wells  With improved equipment and operating practices, downhole failures have decreased…

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

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

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

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

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

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

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

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

Preventing Differential Sticking The Drilling Programme shall indicate any permeable formations which may lead to…