ISO 11960:2014 Preview

Petroleum and natural gas industries -- Steel pipes for use as casing or tubing for wells

ISO 11960:2014 specifies the technical delivery conditions for steel pipes (casing, tubing and pup joints), coupling stock, coupling material and accessory material and establishes requirements for three Product Specification Levels (PSL-1, PSL-2, PSL-3). The requirements for PSL-1 are the basis of ISO 11960:2014. The requirements that define different levels of standard technical requirements for PSL-2 and PSL-3, for all Grades except H-40, L-80 9Cr and C110, are contained in Annex H.

By agreement between the purchaser and manufacturer, ISO 11960:2014 can also be applied to other plain-end pipe sizes and wall thicknesses.

ISO 11960:2014 is applicable to the following connections in accordance with API Spec 5B:

short round thread casing (SC);

long round thread casing (LC);

buttress thread casing (BC);

non-upset tubing (NU);

external upset tubing (EU);

integral tubing (IJ).

ISO 11960:2014 can also be applied to tubulars with connections not covered by ISO/API standards.

The four groups of products to which ISO 11960:2014 is applicable include the following grades of pipe:

Group 1: All casing and tubing in Grades H, J, K, N and R;

Group 2: All casing and tubing in Grades C, L, M and T;

Group 3: All casing and tubing in Grade P;

Group 4: All casing in Grade Q.

Casing sizes larger than Label 1: 4-1/2 but smaller than Label 1: 10-3/4 can be specified by the purchaser to be used in tubing service.


General information

  • Status :  Published
    Publication date : 2014-01
  • Edition : 5
    Number of pages : 264
  • :
    ISO/TC 67/SC 5
    Casing, tubing and drill pipe
  • 75.180.10
    Exploratory, drilling and extraction equipment
    77.140.75
    Steel pipes and tubes for specific use

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