Journal of Control Science and Engineering / 2013 / Article / Tab 2

Research Article

Research on Feature Extraction of Indicator Card Data for Sucker-Rod Pump Working Condition Diagnosis

Table 2

Geometric Moment Vectors of typical faults indicator card.


Top pump bumping0.43920.06580.01750.09770.00380.02500.0015
Bottom pump bumping0.49360.09280.03020.13650.00840.04150.0027
Broken-dropped of sucker rod0.58770.18570.12610.26520.04800.11420.0067
Insufficient fluid supply0.70610.06150.16190.38340.00950.09390.0951
Leakage of traveling valve0.42780.06460.01170.09200.00300.02340.0005
Leakage of standing valve0.45490.08270.03710.11510.00730.03310.0018
Leakage of both valves0.49970.13400.06710.16360.01710.05990.0016
Stuck piston3.93525.63498.312349.6901003.6117.92111.89
Gas lock0.91680.13210.63050.72220.13300.22300.4689
Liquid hammer0.47990.05520.00310.11650.00190.02730.0011
Sand inflow0.46770.07920.03140.11610.00640.03260.0028
Plunger out pump barrel0.47300.11490.07320.15090.01560.05110.0028

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