Packer Force Calculator

Calculate packer forces from pressure and temperature changes. Determines tubing-to-packer force for completion design.

Tubing & Well Parameters

Tubing OD (in)

Tubing ID (in)

Casing ID (in)

Packer Depth (ft)

Tubing Weight (lb/ft)

Steel Modulus, E (psi)

ΔP Tubing (psi) (+ = increase)

ΔP Annulus (psi) (+ = increase)

Avg ΔT (°F) (+ = hotter)

Thermal Coeff, α (1/°F)

Total Packer Force

Tubing Stress

Piston Effect

Ballooning

Temperature

Buckling

A_i (Tubing bore)

A_o (Tubing OD)

A_s (Steel)

A_p (Packer seal)

How this works

Piston Effect: F_p = ΔP_tbg × A_i - ΔP_ann × A_o. Direct pressure forces on the packer seal area.

Ballooning: F_b = 2ν × (ΔP_tbg × A_i - ΔP_ann × A_o) / (R²-1), where ν=0.3 (Poisson's), R=OD/ID.

Temperature: F_T = E × A_s × α × ΔT. Thermal expansion generates compressive force if anchored.

Positive force = tension (pulling up on packer). Negative = compression (pushing down).

Need help with completion design or packer selection?