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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.
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 ...
It indicates that the ancient inhabitants of the region treated animals with care, officials said.
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.
When the horse was harnessed in the collar, the horse could apply 50% more power to a task in a given time period than could an ox, due to the horse's greater speed. [ 1 ] [ 2 ] Additionally, horses generally have greater endurance than oxen, and thus can work more hours each day.
A woman is attacked in her Canton, Georgia, home on New Year's Day. Her ex-husband appeared to be her savior; evidence showed the contrary.
A frentera is a part of some halters and bridles, usually on a horse. It is a cord, strap, or chain on the face of the horse that is attached to the crownpiece or browband and runs down the horse's face to the noseband or bit rings. A frentera can be split at the top to pass on either side of the forelock, or on either side of the ears.