SY/T 6106-2020 in English
VALIDTechnical requirements for gas field development plan designing
- Issued on:2020-10-23
- Implemented on:-
- File Format:PDF
- Delivery:Via email within 5 business days
$476.00
Introduction
Standard Revision Background and Technology Evolution
SY/T 6106-2020, as the core standard of the oil and gas industry, replaces the 2014 version and achieves three major upgrades: expanding the scope of application to igneous/metamorphic gas fields, strengthening risk control and introducing ISO 9004 process management concepts, and improving the technical framework and adding a new development model and mining method optimization system. Compared with previous revisions, this revision focuses on solving the problem of standardization of special gas reservoir development countermeasures.
Core content structure
| Chapters | Technical points | Innovative content |
|---|---|---|
| Chapter 6 | Main development strategies | New development model flow chart (Figure 1) and 9 types of gas reservoir supplementary strategies |
| Chapter 7 | Scheme preparation content | Detailed marine engineering requirements, new Appendix AC informative appendix |
| Chapter 8 | Report specifications | Optimize the attached map system, and increase the requirements for dynamic monitoring results maps |
Key technical requirements
1. Development model selection
Based on the reserve mobility and production capacity stability, the standard proposes 5 basic development modes:
- Overall stable production mode: Applicable to conventional gas reservoirs with good reservoir connectivity and stable production capacity
- Differentiated development mode: Unitized development for highly heterogeneous gas reservoirs
- Water control development mode: Actively water-invaded gas reservoirs require a drainage well network
2. Development indicator demonstration
Taking a tight gas field as an example, the following points need to be demonstrated:
- The economic limit production of a single well (usually 10,000-30,000 cubic meters/day)
- Well spacing optimization (reference limit supply radius + 30% safety margin)
- Gas production rate (Appendix B recommends 2-3%, which needs to be verified by numerical simulation)
Countermeasures for special gas reservoirs
| Gas reservoir type | Key technology | Risk prevention and control |
|---|---|---|
| Acidic gas reservoirs | GB/T 20972 material selection | Corrosion monitoring system + safe release design |
| Condensate gas reservoirs | Phase retention technology | Early control of production pressure difference |
| Volcanic gas reservoirs | Fracture network modeling | Multi-well combination development |
Implementation recommendations
1. Dynamic adjustment mechanism: The plan should reserve 10-15% of spare wells to deal with geological uncertainties
2. Pilot test requirements: Tight gas reservoirs require production capacity verification of more than three test wells
3. Digital delivery: It is recommended to use BIM technology to achieve 3D visualization of ground engineering
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