SY/T 7355-2017 Safety rules of sampling and temperaturing rope for oil
1 Scope
This standard specifies the technical requirements, product testing, safe operation, and scrapping requirements for sampling and temperaturing rope for oil.
It is applicable to oil sampling and temperaturing operations in the petroleum and natural gas industry.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 8834-2006 Ropes - Determination of certain physical and mechanical properties
3 Technical specifications
3.1 Materials
The rope is made of cotton fiber as the base material, mixed with conductive fibers, and braided in multiple strands.
3.2 Appearance
3.2.1 It is evenly braided with no loose twisting.
3.2.2 There shall be no wear, abrasion, cuts, broken strands, or other forms of surface damage.
3.2.3 The surface shall be free of contaminants and color anomalies.
3.3 Electrostatic performance requirements
The electrical resistance per unit length shall be between 1×10³Ω/m and 1×106Ω/m, and the full-length resistance shall not exceed 1×108Ω.
