Technical

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…

Use of Drag charts for hole cleaning – WellPlan Softwares are used to produce Drag…

Responsibilities during Fishing Operations Responsibilities of the Company Drilling Supervisor, Specialist Contractor Engineer, Drilling Contractor…

Fishing with Spears Recommendations to be used when fishing with a spear: Spears shall be…

Hole Cleaning Tips Hole cleaning is one of the basic functions of any drilling fluid.…

Fishing with Junk Subs Junk subs are constructed with rib guides which are welded to…

Mechanical Sticking (cause of stuck pipe) Mechanical sticking occurs as a result of one or…

Hole Cleaning The following are possible indicators of hole cleaning problems: excessive overpull on connections…

Miscellaneous Fishing Tools This article describes the following fishing tools: Magnets,  Lead Impression Blocks, Rope…