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The Drill Collar Severing Tool is often used to separate heavy weight drill pipe or drill collars. The DCST contains an explosive charge at either end of the tool; both charges are detonated simultaneously. The explosive shock waves meet in the center of the tool and combine to produce a very high energy wave capable of cutting through the ...
Rotary assemblies [2] are commonly used where formations are predictable and the rig economics are an issue. In such an assembly the weight of the drill collars gives the BHA the tendency to sag or flex to the low side of the hole, collar stiffness length and stabiliser diameter and placement are engineered as a means of controlling the flex of the BHA.
The drill string consists of both drill pipe and the bottom hole assembly (BHA), which is the tubular portion closest to the bit. The BHA will be made of thicker walled heavy weight drill pipe (HWDP) and drill collars, which have a larger outside diameter and provide weight to the drill bit and stiffness to the drilling assembly.
Drill bit (#26) is a device attached to the end of the drill string that breaks apart the rock being drilled. It contains jets through which the drilling fluid exits. Drill floor (#21) is the area on the rig where the tools are located to make the connections of the drill pipe, bottom hole assembly, tools and bit. It is considered the main area ...
Sam's Club is riding the dual waves of Walmart's rise as budget-conscious consumers flock to wholesale retailers.Led by CEO Chris Nicholas, who started in September 2023, the wholesale club ...
Google on Monday removed derogatory reviews about McDonald's after the suspect in the killing of UnitedHealth executive Brian Thompson was arrested at its restaurant in Altoona, Pennsylvania ...
A last-minute winter getaway could be just what many people need to escape the mayhem experienced during the holiday season. Fortunately, by waiting until after the new year to travel, you may find...
A collar is the part which a horse pushes against with its shoulders and chest. The two main designs are the breast collar harness and the full collar harness. A horse collar (or full collar) is a padded loop fitting closely around the horse's neck and resting on its shoulders. Must be correctly sized for each individual horse.