GB/T 45134-2025 Petroleum drilling and production equipment—Near-bit geosteering drilling systems

GB/T 223.3-1988 Methods for chemical analysis of iron, steel and alloy—The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content GB/T 223.72-1991 Methods for chemical analysis of iron, steel and alloy—The alumina chromatographic separation-barium sulfate gravimetric method for the determination of sulphur content GB/T 223.72-2008 Iron,steel and alloy—Determination of sulfur content—Gravimetric method GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method GB/T 231.1-2002 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2009 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2018 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) GB/T 3452.5-2022 O-rings for fluid power systems—Part 5:Specification of elastomeric materials GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 4336-2002 Standard test method for spark discharge atomic emission spectrometric analysis of carbon and low-Alloy steel(routine method) GB/T 4336-2016 Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method) GB/T 6394-2002 Metal-methods for estimating the average grain size GB/T 6394-2017 Determination of estimating the average grain size of metal GB/T 6463-1986 Metallic and other non-organic coatings—Review of methods of measurement of thickness GB/T 6463-2005 Metallic and other inorganic coatings—Review of methods of measurement of thickness GB/T 6587-2012 General specification for electronic measuring instruments GB/T 6587.1-1986 Environmental tests program for electronic measuring instruments GB/T 6587.2-1986 Temperature tests for electronic measuring instruments GB/T 6587.3-1986 Humidity tests for electronic measuring instruments GB/T 6587.4-1986 Vibration tests for electronic measuring instruments GB/T 6587.5-1986 Shock tests for electronic measuring instruments GB/T 6587.6-1986 Transportation tests for electronic measuring instruments GB/T 6587.7-1986 Basic safety tests for electronic measuring instruments GB/T 6587.8-1986 Line frequency and voltage tests for electronic measuring instruments GB/T 15479-1995 Technical requirements and test methods of insulation resistance and insulating strength for use in industrial process measurement and control instruments GB/T 22512.2-2008 Petroleum and natural gas industries—Rotary drilling equiment—Part 2:Threading and gauging of rotary shouldered thread connections GB/T 35690-2017 Methods for the determination of the relative magnetic permeability of feebly magnetic materials NB/T 47013.3-2023 Non-destructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.4-2015 "Non-destructive testing of pressure equipment - Part 4: Magnetic particle testing" NB/T 47013.5-2015 Non-destructive testing of pressure equipment - Part 5: Penetrant testing SY/T 5102-2016 The basic environmental testing methods for petroleum exploration and development instruments SY/T 5102-1993 SY/T 5102-1993 Basic environmental test methods for instruments used in petroleum exploration and development Test K: High temperature and pressure test SY/T 5383-2010 SY/T 5383-2010 Screw Prop Bit Drilling Tool SY/T 5383-1991 screw drill bit assembly SY/T 5383-1999 pump-rod drill bit IEC 60086-4