This standard specifies the functional, technical, and manufacturing requirements for locking mandrels and locating subs used in the oil and gas industry for installation of flow control or other tools in well production (water injection) tubing strings. This standard applies to interface connections to flow control or other tools, not to connections to tubing.
GB/T 21410-2008 Referenced Document
ASTM A388/A388M Standard Practice for Ultrasonic Examination of Heavy Steel Forgings
ASTM A609/A609M Standard Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof
ASTM D1414 Standard Test Methods for Rubber O-Rings
ASTM D1415 Standard Test Method for Rubber Property—International Hardness
ASTM D2240 Standard Test Method for Properties of Rubber &8212; Durometer Hardness*, 2023-12-08 Update
ASTM D395 Standard Test Methods for Rubber Property-Compression Set
ASTM D412 Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers8212;Tension
ASTM D638 Standard Test Method for Tensile Properties of Plastics
ASTM E140 Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, and Scleroscope Hardness
ASTM E165 Standard Test Method for Liquid Penetrant Examination
ASTM E186 Standard Reference Radiographs for Heavy-Walled (2 to 4 &189; in. [51 to 114-mm]) Steel Castings
ASTM E280 Standard Reference Radiographs for Heavy-Walled (4 &189; to 12-in. [114 to 305-mm]) Steel Castings
ASTM E428 Standard Practice for Fabrication and Control of Metal, Other than Aluminum, Reference Blocks Used in Ultrasonic Testing*, 2023-12-08 Update
ASTM E446 Standard Reference Radiographs for Steel Castings Up to 2 in. [51 mm] in Thickness
ASTM E94 Standard Guide for Radiographic Examination*, 2023-12-08 Update
GB/T 21410-2008 history
2015GB/T 21410-2015 Petroleum and netural gas industries.Downhole equipment.Lock mandrels and landing nipples
2008GB/T 21410-2008 Petroleum and natural gas industries.Downhole equipment.Lock mandrels and landing nipples