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rock penetration

rock penetration, Total:11 items.

In the international standard classification, rock penetration involves: Earthworks. Excavations. Foundation construction. Underground works, Equipment for petroleum and natural gas industries.

Professional Standard - Coal, rock penetration

• MT 223-1990 Method for determination of coal and rock permeability
• MT 224-1990 Determination method of coal and rock permeability coefficient

American Society for Testing and Materials (ASTM), rock penetration

• ASTM D4525-04 Standard Test Method for Permeability of Rocks by Flowing Air
• ASTM D4525-08 Standard Test Method for Permeability of Rocks by Flowing Air
• ASTM D4525-90(1995)e1 Standard Test Method for Permeability of Rocks by Flowing Air
• ASTM D4525-90(2001) Standard Test Method for Permeability of Rocks by Flowing Air
• ASTM D4525-13 Standard Test Method for Permeability of Rocks by Flowing Air
• ASTM D4525-13e1 Standard Test Method for Permeability of Rocks by Flowing Air

Professional Standard - Petroleum, rock penetration

• SY/T 6810-2010 The calibration method of measuring instruments of core gas
• SY 6810-2010 Calibration method of rock gas permeability tester

National Metrological Verification Regulations of the People's Republic of China, rock penetration

• JJG(石油) 46-1997 Verification Regulations for Rock Gas Permeability Tester

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