Drilling Course

Differential Stuck Pipe Mechanism: Causes and Solutions

Differential sticking is one of the mechanisms of stuck pipe problems and it can be defined as the sticking force generated by the level of...

One of the success keys in drilling projects is the Drilling fluids which are circulated down hole through the drill string and drilling b...

1 . You have taken a 10-bbl kick with 500 psi shut in drill pipe pressure and 900 psi shut in casing pressure. The mud weight is 13 PPG and...

1. Hardened cement is a. Porous and permeable b. Slightly porous but not permeable. c. Non Porous and permeable d. Slightly permeable and p...

1. Pressure sensors should always be installed vertically on top of the mud discharge line to : a. Prevent from being clogged by solids. b. ...

1. What is primary Blow-Out Prevention? a. BOP's b. Drilling Mud c. Float shoe d. P.V.T. 2. Why do we drill surface hole with a reduce...

1. What is "Chip Hold Down "pressure? How does this affect penetration rate? 2. Happily drilling an 8.1/2" hole at...

1. On a tripping out of the hole a pill has been pumped so that the pipe pulls dry. The hole fill up has been correct for the first 9 stands...

1. What is the difference betwen a counter balanced drum and a smooth drum? 2. While circulating out a kick during first circulation of dri...

1. Stuck pipe and Fishing 1.1 What is in most cases the limiting factor for maximum pull when dealing with stuck pipe ? 1.2 What is normally...

1. Drilling Fluids 1.1 For what reason do we use KCl in our mud system? 1.2. Name three properties that are imme...