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Approximate Ideal Counterbalanced Load Formula

AICB=PPRL+MPRL2AICB=\frac{PPRL+MPRL}{2}

Approximate Ideal Counterbalanced Load calculates approximate ideal counterbalanced load for well performance workflows in production engineering.

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How engineers use this formula

Use this formula when the listed inputs (PPRL, MPRL) are known and the assumptions behind the cited well performance relationship match the engineering case being checked.

Assumptions

  • Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
  • The declared units match the field-unit constants used in the formula.
  • The cited formula applies to the selected petroleum engineering workflow.

Limitations

  • The calculation does not replace a full engineering model or operating procedure.
  • Accuracy depends on the source correlation, assumptions, input quality, and unit consistency.

Common mistakes

  • Mixing unit systems without converting the inputs.
  • Using default example values as field recommendations.
  • Applying the formula outside the source assumptions.

Default example

Using the default inputs, AICB equals 9,000 lb.

PPRLlb

12000

MPRLlb

6000

Inputs

PPRL

lb

Peak Polished Rod Load

MPRL

lb

Minimum Polished Rod Load

Outputs

AICB

lb

Approximate Ideal Counterbalanced Load

PPRL

lb

Peak Polished Rod Load

MPRL

lb

Minimum Polished Rod Load

Source and review

reviewed

Guo, B., Lyons, W.C. and Ghalambor, A. 2007. Petroleum Production Engineering: A Computer-Assisted Approach, Page 12/169.

Source

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