NB/T 11124-2023 Specification for coalbed methane extraction technical program design of staged hydraulic fracturing horizontal well in coal seam roof

SY/T 5724 GB/T 31033-2014 Specification for well control technology of oil & gas drilling GB/T 35053-2018 Sealed coring method for determination of coalbed methane content GB/T 40546-2021 Design specification for coalbed methane well drainage engineering GB/T 41164-2021 Specifications technology for multistage fracturing in horizontal well within roof of broken-soft and low permeability coal seam DZ/T 0250-2010 Specifications for coalbed methane drilling engineering NB/T 10001-2014 "Coal seam fracturing hydraulic fracturing operation specification" NB/T 10021-2015 NBT 10021-2015 Standard for Logging Operations in Coal Bed Methane Exploration SY/T 5435-1992 Two-dimensional fixed-direction well trajectory design and trajectory plotting method SY/T 5435-2012 Directional well trajectory design and trajectory calculation SY/T 5480-2016 Casing Design Specification SY/T 5619-2018 Design Method for Downhole Drilling Tools Assembly in Directional Wells SY/T 5619-2009 SY/T 5619-2009 Design method for lower drilling string assembly for directional well。 SY/T 6276-2014 Oil and Natural Gas Industry Health, Safety, and Environmental Management System SY/T 6543-2019 SY/T 6543-2019 Borehole Elimination Techniques for the Lack of Balance in Technology Specification。 SY/T 6543.2-2009 Bucked-open drilling technology specification Part 2: Gas phase SY/T 6691-2014 Laydown well logging design specification for naked eye SY/T 6692-2019 Drilling Logging Operations Technical Specification SY/T 6692-2013 Drilling Logging Operations Technical Specification SY/T 6922-2019 The safety technical specifications for underground operations of coalbed methane wells SY/T 6922-2012 Coal bed gas underground operations safety technical specifications SY/T 7070-2016 Microseismic well monitoring technical specification SY/T 7372-2017 Microseismic ground monitoring technical specification SY/T 5435-2000 SY/T 5435-2000 Design of directional well trajectory and trajectory plotting SY/T 5435-2003 Directional well trajectory design and trajectory calculation SY/T 5480-1992 Designing the viscosity of cement for injection according to SY/T 5480-1992 SY/T 5480-2007 Casing Design Specification SY/T 5619-1999 Design Methods for Downhole Drilling Tools in Directional Wells SY/T 6543.1-2003 As-of-yet-unpublished English translation: "Specification for Underbalanced Drilling Technology Part 1: Design Methodology" SY/T 6543.2-2003 Unsaturated Balancing Drilling Technology Specification Part 2: Requirements for Wellhead Pressure Control Devices and Surface Equipment Installation SY/T 6543.3-2005 SY/T 6543.3-2005 Borehole Fracturing Techniques Specification Part 3: Construction Procedures for Borehole Fracturing SY/T 6691-2007 Logging Operations Design Standards SY/T 6692-2007 Drilling Logging Operations Technical Specification SY/T 6543.1-2008 Technology specification for underbalanced drilling-Part 1:Liquid phase SY/T 7372-2024 SY/T 7372-2024 Microseismic ground monitoring technical regulations GB/T 31033-2025 Technical requirements for well control technology of oil & gas drilling