API 14L Lock Mandrel Design Validation

API 14L, 3rd Edition (June 2020)  |  API TR 6MET  |  ASME B1.1  |  SLB Thread Form

psi
°F
psi
psi
Design Margins

Defaults: 1.5 (pressure) / 1.2 (bearing). Changing these values affects all capability ratings and design validation status. Any deviations must be documented and approved.

YS: -- psi
|
YSTD: -- psi
|
Temperature Derating: --
|
Seal Area: -- in²
Piston Force Above: -- lbf
|
Piston Force Below: -- lbf
Packing Mandrel
in
in
in
in
Fishing Neck
in
in
in
in
Key Housing
in
in
in
in
in
in
Keys
in
in
in
in
Expander Mandrel
in
in
in
Nipple
in
in
in
XN/RN Plug
in

Design Validation Results

Component Summary

Component Direction Type 1? Stress Mode Stress (psi) Stress Level Safety Factor Capability (psi) Status NDE?

Axial Load Rating

—lbs
Governing component: —
Component Area (in²) Allowable Load (lbf) Rated Load (lbf) Governing

Detailed Calculations

Packing Mandrel Above -- Von Mises Combined Stress
Packing Mandrel Below -- Collapse / Axial
Key Housing Tensile Stress
Keys -- Flat Shoulder, 45-Degree, Axial, Radial
Expander Mandrel -- Hoop Stress
XN/RN Plug Bearing
RPT Combined Above Bearing
Thread Analysis -- Packing Mandrel
Thread Analysis -- Key Housing
NDE Requirements
Fishing Neck Body (Axial)
Fishing Neck Thread (Axial)
Expander Mandrel Body (Axial)
Key Housing / Expander Shoulder (Axial)
Key Housing Body (Axial)
Key Housing Thread (Axial)
Packing Mandrel Body (Axial)
Packing Mandrel Thread (Axial)