Sentence examples for polished rod from inspiring English sources

The conventional dynamometer produces a continuous plot of polished rod load versus polished rod displacement, the so-called dynamometer diagram or card.

Table 4 Result of polished rod load calculation rod load reducer   Maximum polished rod load/N Minimum polished rod load/N Reduction force/N Without a rod load reducer 257,901.3 188,805.8 With a rod load reducer 215,881.4 146,785.9 42,019.9 Reduction 42,019.9 42,019.9 Reduction rate 16.3%22.3%%  .

Polished rod acceleration, in turn, is calculated from the polished rod position versus time values, s(t), measured during a dynamometer survey.

This condition, however, is not met if data recorded on conventional dynamometer cards are used to find polished rod loads because these cards record the load against polished rod displacement.

Polished rod stroke length (in).

Polished rod acceleration versus time (in./s2)./s2

ith measured polished rod position (in).

Polished rod position versus time (in).

Polished rod velocity versus time (in./s)./s

Polished rod load includes static load and dynamic load.

Polished rod load at crank angle θ (lbs).