SY/T 5373-1991 Graphical symbols for downhole drilling tools and operations SY/T5373-1991 Standard download decompression password: www.bzxz.net

Petroleum and Natural Gas Industry Standard of the People's Republic of China SY /T 5373---91
Graphic Symbols for Downhole Tools and Operations in Drilling 1991-07-19 Issued
Ministry of Energy of the People's Republic of China
Implementation on [991-12-01
Subject and applicable norms
Numbering and arrangement method of symbols
3 Graphic symbols
4 Pipe design and pipe string combination
5 Usage requirements
Appendix A Pipe design (reference)
Appendix B Pipe string combination (reference)
1 Subject content and scope of application
Petroleum and Natural Gas Industry Standard of the People's Republic of China Graphic Symbols for Downhole Tools and Operations in Drilling SY /T 537391
This standard specifies the graphic symbols for downhole tools, pipes, wellbore structures and drilling operations in drilling projects. This standard applies to the design and construction of oil and gas drilling projects, and other relevant parties should also refer to it. 2 Symbol numbering method
2.1 Symbol numbering is composed of category number, subcategory number and sequence number, and is represented by a four-digit code. The digits are arranged from left to right. The first digit represents the category number, the second digit represents the subcategory number, and the third and fourth digits represent the sequence number. That is: X
2.2 Category number
Underground work;
—Pipe type;
3——Non-body structure;
Drilling and drilling operations.
2.3 Industry category number
1—Normal operation:
2—Salvage:
3—Testing;
4—Screen accessories.
Sequence number
Category number
Note: For body type, non-body structure and drilling operation, the first industry type number is "0\Supplementary position 3 Graphic symbols
3.1 Graphic symbols for downhole tools are shown in Table 1. Approved by the Ministry of Energy of the People's Republic of China on July 19, 1991, implemented on December 1, 1991
SY / T 5373-91
Table 丨 Graphic symbols for downhole tools
Stabilizer
Drill cup back pressure valve
Safety joint
Double male joint
Double female joint
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Continued Table 1
Kelly Drill Valve
Rotary Drill Bit
Polycrystalline Diamond Drill Bit
Scraper Drill Bit
Fishtail Drill Bit
Grinding Drill Bit
Rotary Drill Bit
Drilling Cup
Expanding Drill Bit
Eye Reamer
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Continued Table 1
Turbine Total
Bend Joint
Directional Joint
SY / T 537391
Continued Table 1bzxz.net
New device
Transformer
Ji Xin Xin
Simplified service center
SY / T 537391
Continued Table 1
Demagnetizer
Drilling extractor
Salvage guide shoe
Magnet salvage device
SY /T 5373-91
Continued Table 1
Fishing spear
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Continued Table 1
Name
Rope fishing spear
Reverse circulation firing end
Milling barrel
External cutting knife
Inner cutting blade
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Continued!
Card overshot
Keyway breaker
Upper striker
Lower striker
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