Technical

Stuck Pipe Prevention Good drilling practices, particularly with regard to circulating and tripping activities, can…

Fishing with Washover Strings Washover strings can be used when: the formation has bridged off…

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…

Pipe Sticking In many drilling operations, the drill string is stuck while pulling out after…

Freeing Differentially Stuck Pipe The pipe shall immediately be pulled to the maximum safe pull…

Coiled tubing operations and HSE considerations 1 Service selection The selection of the well intervention…