SY/T 6180-2009 in English
VALIDCode for operation of C/O spectrum logging
- Issued on:2009-12-31
- Implemented on:2010-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$117.00
| Standard No: | SY/T 6180-2009 |
| Document status: | VALID |
| Title in English: | Code for operation of C/O spectrum logging |
| Title in Chinese: | 碳氧比能普测井作业规程 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2009-12-31 |
| Implemented on: | 2010-05-01 |
| Superseding: |
SY/T 6180-1996 C/O Ratio Energy Spectrum Logging Operation Regulations
|
| Professional Classification: | SY-Oil & Gas |
| Related Keywords: | operation instrument operation specifications key control
neutron generator operation specifications operation specification c/o spectrum energy spectrum |
| Related Topics: | carbon oxygen
Logging sy/t 6238.1 energy spectrum carbon carbon oxygen Oxycarbon Oxygen operation general survey Curve ratio Oxycarbon How to measure carbon monoxide downhole γ spectrum logging Comparison sy/t6726-2009 |
本标准规定了碳氧比能谱测井作业安全、防护、现场施工程序及测井资料录取要求。本标准适用于碳氧比能谱测井作业。
Introduction
Background of Standard Revision and Technological Evolution
This standard replaces the 1996 version of the regulations, mainly reflecting three major technical upgrades: strengthening of radioactive protection standards, refining of neutron generator operation specifications, and expansion of environmental safety requirements. Five new referenced standards, including SY/T 6610, reflect the industry's emphasis on hydrogen sulfide protection.
Core safety control requirements
| Control dimensions | Requirements of the 1996 version | Upgrade points of the 2009 version |
|---|---|---|
| Radioactive protection | Basic dose limit | Increase the wearing of dose meter cards (Article 3.11) |
| Neutron generator | Simple start-stop requirements | Clearly define 50m start-up depth + 30min cooling period (Articles 3.1-3.2) |
| Emergency management | Not clarified | Newly added SY/T 6610 Sulfur well operation specification (Article 3.5) |
Key technical points of logging operation
Instrument operation specifications
Key control of neutron generator operating parameters: yield stability ±10% (8.3), single/dual source distance measurement speed ≤90m/h/60m/h respectively (6.3.1/6.5.2). Spectral line adjustment needs to ensure accurate positioning of oxygen peak and iron peak (6.2.11).
Data quality control
- Required curves: 4 main curves such as carbon-oxygen ratio curve and inelastic calcium-silicon ratio curve (7.1)
- Disk record: The original data of energy spectrum and time spectrum must be completely saved (7.2)
- Repeat measurement: Abnormal well sections must be remeasured and recorded (6.2.18)
Implementation suggestions for comparison between the new and old standards
Typical change case: New requirements for blowout preventers in through-tubing logging (6.5.1), and it is recommended to equip a special wellhead adapter for through-tubing carbon-oxygen ratio instrument. The spectrum scale check (6.3.11 of the 1996 version) deleted in the original standard has been integrated into the SY/T 5693 specification.
Transitional implementation: Instruments that have completed calibration before May 1, 2010 can continue to use the original method, but they need to complete the new version of the safety assessment.
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