API Standards for Coiled Tubulars
API Standards for Coiled Tubulars
API Standards for Coiled Tubulars
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Collapse appendix<br />
•Vast amt of high level work done on<br />
new/old tubular collapse data<br />
•New equation developed <strong>for</strong> <strong>API</strong><br />
5C3/ISO 119400<br />
•Eliminates 4 equations <strong>for</strong> Yield<br />
strength, plastic, transition, and elastic<br />
collapse regimes<br />
•Replaced them with one (more<br />
complex) equation<br />
•Tamano 4, generalized by Dr. Frans<br />
Kever ( KGT)<br />
• Work yet to be defined <strong>for</strong><br />
normalized ERW tubing<br />
SPE-Icota SPE Icota-Aberdeen Aberdeen Nov 05
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