SY/T 5340-2020 in English
VALIDPractice for gravel pack of sand control
- Issued on:2020-10-23
- Implemented on:2021-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
Price(USD)：
$430.00
$418.00
$418.00
| Standard No: | SY/T 5340-2020 |
| Document status: | VALID |
| Title in English: | Practice for gravel pack of sand control |
| Title in Chinese: | 砾石充填防砂方法 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2020-10-23 |
| Implemented on: | 2021-02-01 |
| Superseding: |
SY/T 5340-2012 Practice for gravel pack of sand control
|
| Professional Classification: | SY-Oil & Gas |
| Related Keywords: | sand control introduction analysis
key design parameters screen sand daily sand content detection formation sand particle size sand ratio > |
| Related Topics: | ptfe filling method
packed column method filling method filling Sand Control Tools Sand Control Tools Rubble sy/t 6916 sandstone analyzer fill% column packing method sand control Sand filter filling capacity cemented gravel gravel cemented gravel How to treat both ends of packed columns sy/t 7494-2020 sy/t 7466-2020 sy/t 7468-2020 |
Introduction
Analysis of the core content of the standard
| Comparison dimensions | 2012 version | Main changes in the 2020 version |
|---|---|---|
| Process classification | No clear distinction between horizontal well processes | Newly added horizontal well forward/reverse filling classification |
| Definition of terms | 12 items | 15 items (5 items such as fracturing filling were added) |
| Design parameters | Appendix A contains 8 formulas | Optimize the calculation formula and newly added horizontal well filling rate calculation |
Key Technical Points
1. Process Selection Matrix
Recommended processes based on differences in formation conditions:
- High-density filling (sand ratio>0.5): Applicable to stable formations of vertical/directional wells
- Fracturing filling: Used when formation sand particle size is <0.1mm or reservoir transformation is required
- Horizontal well reverse filling: Preferred choice when well section>350m
2. Key Design Parameters
Screen sand retaining accuracy calculation formula:
Fracture type: Dw=2/3×Dg
Pore type: Dp=1/3×Dg
Wherein Dg is the minimum diameter of gravel, thermal recovery wells need to improve their accuracy by 20%
Implementation suggestions
Three stages of quality control
- Preliminary verification: tool quality inspection report + liquid compatibility test
- Process monitoring: real-time recording of pump pressure curve (fracture filling needs to maintain bottom hole pressure> fracture closure pressure)
- Effect evaluation: daily sand content detection within 20 days after production (standard requirement ≤0.03%)
Standard evolution analysis
Main technical upgrades of the 2020 version:
- Delete the outdated two-step filling procedure and integrate it into a one-step process
- Add application requirements of thermal compensators in horizontal wells
- Strengthen HSE management clauses (newly added 10.8 waste liquid recovery specifications)
Sample only — not a preview of SY/T 5340-2020
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