MAXIMUM recommended weight Indicator pull on sucker rod string.

The following calculates the maximum rig weight Indicator pull on a stuck rod string. The calculations are based on 90% of the minimum yield strength (converted into pounds) for a rod string in “Like New” condition. The maximum load should be reached by a straight, steady pull and not a shock load.

For a tapered string, calculate the total weight in pounds of all rods above the bottom section. Add to this weight the values in the table below for the rod type and size of the bottom section. This is the maximum load that should be pulled on a rod string. The table values are the maximum pull on rods tension. 

Maximum Rod Load in pounds
  Additional Weight  Indicator
 Rod Type 5/8" 
3/4"  7/8"  1"  1 1/8"
 Type 78 27540
39780 54090 70650 89460
 Type 96 & 97
45750 62200  81250 102880
 Type 30 19270 27850 37860  49450  -
 Type 40 19270 27850 37860 49450 -
 Type 54 & 90 24780 35800  48680  63580 -

 

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