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ISO 11960:2014

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

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Kehtetu alates 31.03.2020
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Staatus
Kuupäev
Tüüp
Nimetus
31.03.2020
Põhitekst
15.01.2014
Põhitekst
Põhitekst
ISO 11960:2011
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.
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