This NORSOK standard describes a methodology for establishing long term chemical compatibility for
polymers based on an accelerated testing scheme for components wetted by production and injection
hydrocarbon fluids. Further, for polymers (mainly elastomers) that can be exposed to sudden pressure
drops in a gaseous environment, the standard describes a methodology for testing rapid gas
The standard covers testing of material properties. Functional performance testing and low temperature
properties are not covered by this standard.
The standard applies for downhole, subsea and workover systems. The standard also applies to topside
valves up to and including choke valves in production systems and to high pressure gas injection
This standard can be used for materials/components wetted by other fluids. Examples of such
components are electrical isolation/sealing materials and sealing materials for hydraulic systems. In these
cases, fluids and test scope needs to be specified by Purchaser.
This NORSOK standard supplements, but does not replace, the material requirements given in the
appropriate design codes, standards and regulations.
This NORSOK standard is based on ISO 23936 -2: 2011. Additional requirements and clarifications
stated in this document applies.
Annex A and B are normative.