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ASME Separator Wall Thickness from Internal Radius Formula

t=PRiSE0.6Pt=\frac{PR_i}{SE-0.6P}

ASME Separator Wall Thickness from Internal Radius calculates required separator wall thickness for well performance workflows in production engineering.

Calculate

How engineers use this formula

Use this formula when the listed inputs (P, R_i, S, E) 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, t equals 0.121951 ft.

Ppsi

1000

R_ift

2

Spsi

20000

Efraction

0.85

Inputs

P

psi

Internal Pressure

R_i

ft

Internal Radius of Separator

S

psi

Maximum Allowable Stress

E

fraction

Joint Efficiency

Outputs

t

ft

Required Separator Wall Thickness

P

psi

Internal Pressure

R_i

ft

Internal Radius of Separator

S

psi

Maximum Allowable Stress

E

fraction

Joint Efficiency

Source and review

reviewed

Gas Conditioning and Processing, Campbell, J.M. (1992)

John M. Campbell. Gas Conditioning and Processing, Campbell Petroleum Series, Oklahoma, 1992, Vol. 2, Page 64.

Source

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