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A shadoof or shaduf, [1] well pole, well sweep, sweep, [2] swape, [3] or simply a lift [4] is a tool that is used to lift water from a well or another water source onto land or into another waterway or basin. It is highly efficient, and has been known since 3000 BCE.
Tripping pipe (or "Making a round trip" or simply "Making a trip") is the physical act of pulling the drill string out of the wellbore and then running it back in. This is done by physically breaking out or disconnecting (when pulling out of the hole) every other 2 or 3 joints of drill pipe at a time (called a stand ) and racking them ...
Casing Diameters of a Borehole Casing Diagram premium gas tight connections on a casing string. Casing is a large diameter pipe that is assembled and inserted into a recently drilled section of a borehole.
A rope pump is a type of pump of which the main or most visible component is a continuous piece of rope, in which the rope is integral in raising water from a well. Rope pumps are often used in developing areas, the most common design of which uses PVC pipe and a rope with flexible or rigid valves. Rope pumps are cheap to build and easy to ...
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The pipe hitch will not slip when tied correctly to a pipe or pole. This knot is a variation of the Round turn and two half-hitches. [4] [5] This knot can be used with a rope to pull a pipe or spar out of the ground, [6] or to hoist a pipe or beam.
This year, the SEC is well-positioned to send a handful of teams to the NCAA tournament’s second weekend and perhaps end its 13-year national title drought. Not so long ago, this league was ...
Combining NRTs can also increase quit-success rates by up to 25% compared to using them alone, based on a Cochrane systematic review by Lindson, et al., on combination therapy for fast-acting ...
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