Measuring and testing – Borehole or drilling – Downhole test
Patent
1977-03-21
1978-12-12
Myracle, Jerry W.
Measuring and testing
Borehole or drilling
Downhole test
731173, G01M 1500
Patent
active
041290372
ABSTRACT:
Method and apparatus for measurement of expected wear on a wide range of mechanisms that are subjected to a plurality of wear inducing factors. Where detection of wear is desired for certain components of oilwell drilling fluid piston pumps the method may be accomplished by recording a function of the product of piston speed, pump generated fluid pressure and time. Means are provided for monitoring signals representing pump pressure and speed or cycles, multiplying these signal quantities and obtaining a product which is a function of hydraulic horsepower hours. This product is then scaled to a convenient degree, and totalized. The invention is applicable to many types of mechanical and electro-mechanical devices including centrifugal and positive displacement pumps, compressors, and to various types of engines and motors. The invention provides a means to record the work output for any machine wherein it is possible to obtain electrical analog signals representing speed or cycles and torque or pressure.
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Jackson James L.
Myracle Jerry W.
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