CEN ISO/TR 10400:2011

Foreword
Introduction
1 Scope
2 Conformance
3 Normative references
4 Terms and definitions
5 Symbols
6 Triaxial yield of pipe body
7 Ductile rupture of the pipe body
8 External pressure resistance
9 Joint strength
10 Pressure performance for couplings
11 Calculated masses
12 Elongation
13 Flattening tests
14 Hydrostatic test pressures
15 Make-up torque for round thread casing and tubing
16 Guided bend tests for submerged arc-welded line pipe
17 Determination of minimum impact specimen size for API
   couplings and pipe
Annex A (informative) - Discussion of equations for
        triaxial yield of pipe body
Annex B (informative) - Discussion of equations for
        ductile rupture
Annex C (informative) - Rupture test procedure
Annex D (informative) - Discussion of equations for
        fracture
Annex E (informative) - Discussion of historical API
        collapse equations
Annex F (informative) - Development of probabilistic
        collapse performance properties
Annex G (informative) - Calculation of design collapse
        strength from collapse test data
Annex H (informative) - Calculation of design collapse
        strengths from production quality data
Annex I (informative) - Collapse test procedure
Annex J (informative) - Discussion of equations for joint
        strength
Annex K (informative) - Tables of calculated performance
        properties in SI units
Annex L (informative) - Tables of calculated performance
        properties in USC units
Bibliography

ISO/TR 10400:2007 illustrates the equations and templates necessary to calculate the various pipe properties given in International Standards, including pipe performance properties, such as axial strength, internal pressure resistance and collapse resistance, minimum physical properties, product assembly force (torque), product test pressures, critical product dimensions related to testing criteria, critical dimensions of testing equipment, and critical dimensions of test samples.For equations related to performance properties, extensive background information is also provided regarding their development and use.Equations presented in ISO/TR 10400:2007 are intended for use with pipe manufactured in accordance with ISO 11960 or API 5CT, ISO 11961 or API 5D, and ISO 3183 or API 5L, as applicable. These equations and templates may be extended to other pipe with due caution. Pipe cold-worked during production is included in the scope of this Technical Report (e.g. cold rotary straightened pipe). Pipe modified by cold working after production, such as expandable tubulars and coiled tubing, is beyond the scope of this Technical Report.Application of performance property equations in ISO/TR 10400:2007 to line pipe and other pipe is restricted to their use as casing/tubing in a well or laboratory test, and requires due caution to match the heat-treat process, straightening process, yield strength, etc., with the closest appropriate casing/tubing product. Similar caution should be exercised when using the performance equations for drill pipe.ISO/TR 10400:2007 and the equations contained herein relate the input pipe manufacturing parameters in ISO 11960 or API 5CT, ISO 11961 or API 5, and ISO 3183 or API 5L to expected pipe performance. The design equations in ISO/TR 10400:2007 are not to be understood as a manufacturing warrantee. Manufacturers are typically licensed to produce tubular products in accordance with manufacturing specifications which control the dimensions and physical properties of their product. Design equations, on the other hand, are a reference point for users to characterize tubular performance and begin their own well design or research of pipe input properties.ISO/TR 10400:2007 is not a design code. It only provides equations and templates for calculating the properties of tubulars intended for use in downhole applications. ISO/TR 10400:2007 does not provide any guidance about loads that may be encountered by tubulars or about safety margins needed for acceptable design. Users are responsible for defining appropriate design loads and selecting adequate safety factors to develop safe and efficient designs. The design loads and safety factors will likely be selected based on historical practice, local regulatory requirements, and specific well conditions.All equations and listed values for performance properties in ISO/TR 10400:2007 assume a benign environment and material properties conforming to ISO 11960 or API 5CT, ISO 11961 or API 5D, and ISO 3183 or API 5L. Other environments may require additional analyses, such as that outlined in Annex D.Pipe performance properties under dynamic loads and pipe connection sealing resistance are excluded from the scope of ISO/TR 10400:2007.