1.0.1 This code was established with a view to implementing the relevant current national codes and policies, unifying the technical requirements, guaranteeing the design quality, improving the design level and making the engineering up to state-of-the-art technologies, economic rationality, safety and reliability, as well as easy operation, management and maintenance in the design of oil-gas gathering and transportation engineering.
1.0.2 This code is applicable to the design of oil-gas gathering and transportation engineering for territorial oilfields, gas fields and shallow water coastal gas fields.
1.0.3 Not only the requirements stipulated in this code, but those in the relevant current compulsory provisions of the nation also shall be complied with for the design of oil-gas gathering and transportation engineering.
1 General Provisions
2 Terms
3 Basic Provisions
4 Crude Oil Gathering, Storage and Transportation
4.1 Basic Requirements
4.2 Production Well Field
4.3 Crude Oil Pump Transportation
4.4 Crude Oil Heating and Heat Interchange
4.5 Crude Storage
4.6 Handling Facilities of Crude
5 Purifying Treatment of Crude
5.1 Gas-oil Separation
5.2 Desanding of Crude
5.3 Dehydrating of Crude
5.4 Crude Stabilization
5.5 Tank Vapor Recovery
6 Gathering And Transportation of Natural Gas
6.1 Basic Requirements
6.2 Gas Liquid Separation
6.3 Prevention of Hydrate
6.4 Heating of Natural Gas
6.5 Pressurizing of Natural Gas
6.6 Safe Unloading
6.7 Corrosion Protection and Protection of Sulfur Gas Fields
7 Gas Purification and Natural Gas Liquid Storage
7.1 Natural Gas Purification
7.2 Recovery of Natural Gas Liquid
7.3 Storage of Natural Gas Liquid
8. Oil-gas Gathering and Transportation Line
8.1 Basic Requirements
8.2 Crude oil gathering and transportation line
8.3 Natural gas oil gathering and transportation line
8.4 Transportation line of natural gas liquid (NGL)
8.5 Line laying and corrosion protection/thermal insulation
8.6 Material and line subassembly
9. Metering of Oil Gas
9.1 Basic Requirements
9.2 Metering of Oil well Production
9.3 The Transported Mass Metering of Crude Oil
9.4 Metering of Gas Well Production
9.5 Transported Mass Metering of Natural Gas
10. Instrument and Computer Control System
10.1 Basic Requirements
10.2 The Type-selection and Major Control Content of the Instrument
10.3 Computer Control System
11. General Plan and Public Works of the Stations
11.1 Site Selection of the Stations
11.2 Flood Control and Drainage of the Station
11.3 General Plane and Perpendicular Layout of the Stations
11.4 Layout of the Integrated Lines at the Stations
11.5 Power Supply and Distribution
11.6 Water Supply/drainage and Fire-fighting
11.7 Heat Supply
11.8 Fuel
11.9 HVAC
11.10 Communication
11.11 Structures
11.12 Road at the Stations
12. Health, Safety and Environment
Appendix A The Relation between Space Area Ratio K2 and Height Ratio K
Appendix B Nomogram of the Resistance Coefficient of the Liquid Droplet in Gas
Appendix C Pressure Drop Calculation Formula of Oil and Gas Multiphase Flow
Appendix D Selection Table of the Overall Heat Transfer Coefficient K of the Buried Asphalt-insulated Oil Gathering and Translation Pipeline
Appendix E Selection Table of the Overall Heat-Transfer Coefficient K of the Buried Rigid Polyurethane Foamed Plastic Heat Insulation Oil Gathering and Translation Pipeline
Appendix F Proximate Calculation Formula for Heating Power of Flow Line with Heat Tracing Twin-pipe Pipe Stack in the Crude Gathering Lines
Annex G Selection Table of the Overall Coefficient of Heat Transfer K for the Buried Asphalt-insulated Gas Gathering and Translation Pipeline
Appendix H The Minimum Level Interval between Overhead Oil-gas Pipeline and Structures
Appendix J Minimum Parallel Distance of Buried Pipeline and Cable and Structures in the Station
Appendix K The Ventilation System and Ventilating Rate of the Structures in the Station
Appendix L The Minimum Distance of Communication Cable Pipeline and Buried Cable and Underground Pipeline or Structures
Appendix M The Minimum Distance of the Communication Overhead Line and Other Equipments or Structures
