1 Scope
This standard specifies product model, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of eccentric injection tools.
This standard is applicable to the manufacture, test and inspection of eccentric injection tools.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending error in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.
GB 3452.1-1992 Fluid systems--Sealing devices--O-rings-Inside diameters, cross-sections, tolerances and size identification code
GB/T 3452.2-1987 Inspection standard for appearance quality of 0-shape rubber seal ring
GB/T 7759-1996 Rubber, Vulcanized or thermoplastic-Determination of compression set at ambient elevated or low temperatures
GB/T 8162-1999 Seamless steel tubes for structural purposes
GB/T 9253.3-1988 Petroleum tubing thread
HG/T 2579-1994 0 rings-rubber materials-Part 1: for ordinary hydraulic system
SY/T 5629-1998 Classification and model compiling method of downhole tools for oil and gas production
3 Model Compilation
3.1 Compiling method
Eccentric injection tools include eccentric injection allocator (hereinafter referred to as injection allocator), dropping and pulling tool and test seal section; injection allocator includes working barrel and blanking plug.
Carry out model compilation according to tool name code, application technical parameters, structure characteristics and other description order.
3.2 Description of tool name code
Generally, tool name code is composed of two capital Chinese phonetic alphabets, at most three; they consist of the first Chinese phonetic alphabets of the key words of name representing purpose in tool name. According to the requirements of Article 4.3.1 in SY/T 5629 -1998, the tool name codes in this standard are as shown in Table 1.
