1.0.1 This code is formulated with a view to implementing the current relevant regulations, guidelines and policies of the nation, unifying the technical requirements, assuring the quality, improving the level, accomplishing advanced technology, economy and rationality, safety and usability, and facilitating operation, management and maintenance, with respect to the design for the water treatment and reinjection engineering in highly hydrogen sulfide gas field.
1.0.2 This code is applicable to the design for the newly-built, extended and renovated water treatment and reinjection engineering in onshore highly hydrogen sulfide gas field, beach and alongshore highly hydrogen sulfide gas field.
1.0.3 The design for the water treatment and reinjection engineering in highly hydrogen sulfide gas field shall not only comply with the requirements of this Code, but also those of the current relevant standards of the nation.
1 General Provisions
2 Terms
3 Basic Requirement
4 Treatment of Process Water Separated from Gas Field
4.1 General Requirement
4.2 Design Scale
4.3 Flash Separation
4.4 Gas Stripping
5 Auxiliary Process
5.1 Gas Seal
5.2 Off Gas Disposal
5.3 Sludge Disposal
5.4 Slop Oil and Wastewater Recovery
5.5 Chemical Injection
6 Transportation of Process Water Separated from Gas Field
6.1 General Requirement
6.2 Transportation Process
6.3 Transportation Pipeline
6.4 Safety Requirements
7 Reinjection of Process Water Separated from Gas Field
7.1 General Requirement
7.2 Reinjection Station
7.3 Reinjection Pipeline
7.4 Reinjection Well
8 Utility System and Ancillary Facilities
8.1 Electrical
8.2 Instrumentation & Control
8.3 Heating & Ventilation
8.4 Architecture and Civil
8.5 Water Supply, Sewerage & Fire Fighting
8.6 Corrosion Prevention
9 Health, Safety & Environment
Explanation of Wording in This Code
List of Quoted Standards
