Back-Off Procedures Conditions for a successful back-off: a) The string shot strength should be sufficient…
latest
-
-
Differential Sticking (Cause of Stuck Pipe) In normal overbalanced drilling conditions, a pressure differential exists…
-
Stuck Pipe Prevention Good drilling practices, particularly with regard to circulating and tripping activities, can…
-
Hole Cleaning The following are possible indicators of hole cleaning problems: excessive overpull on connections…
-
Fishing with Junk Subs Junk subs are constructed with rib guides which are welded to…
-
Fishing with Spears Recommendations to be used when fishing with a spear: Spears shall be…
-
Use of Drag charts for hole cleaning – WellPlan Softwares are used to produce Drag…
-
Preventing Differential Sticking The Drilling Programme shall indicate any permeable formations which may lead to…