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The sequence of operations is as follows when a land well is drilled: – Prepare location before rig arrives. – Dig cellar. – Install conductor pipe. – Prepare support pad for rig, camp, etc – Build roads, fencing, dig pits. – Sometimes drill water well. – Move rig on to location, rig up and prepare […]
by Abass Radhi Abbas The Exploration and Production Lifecycle There are five stages in the exploration and production ‘lifecycle’. These stages step through how hydrocarbons are discovered to what happens after an oil or gas field is decommissioned. Each stage is described below in terms of the activities, jobs, cost and time involved. There are […]
An effective HSE program is characterized by no injury to people, no loss of property, and no harm to the environment. Great HSE performance is anindication of great leadership. It is much more than statistics, although measurements are necessary to facilitate performance improvement. HSE must be considered a core responsibility for all business participants, operators, […]
Basically all formations penetrated during drilling are porous and permeable to some degree. Fluids contained in pore spaces are under pressure that is overbalanced by the drilling fluid pressure in the well bore. The borehole pressure is equal to the hydrostatic pressure plus the friction pressure loss in the annulus. If for some […]
The major portion of drill string is composed of drill pipe. Drill pipe consists of three components: a tube with a pin tool joint welded to one end and a box tool joint welded to the other. Before the tool joints are welded to the tube, the tube is upset, or forged, […]
