GB/T 37457-2019 in English
VALIDSpudcan penetration technology of self-elevating drilling unit
- Issued on:2019-05-10
- Implemented on:2019-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
| Standard No: | GB/T 37457-2019 |
| Document status: | VALID |
| Title in English: | Spudcan penetration technology of self-elevating drilling unit |
| Title in Chinese: | 自升式钻井平台插桩工艺 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2019-05-10 |
| Implemented on: | 2019-12-01 |
| ICS Classification: | 47.020.01-General standards related to shipbuilding and marine structures |
| Chinese Classification: | U06-Vessel technology |
| Professional Classification: | GB-National Standard |
| Related Keywords: | jack-up drilling platforms
pile-shoe jack-up drilling platforms jack-up drilling self-elevating drilling unit introduction interpretation pile driving technology |
| Related Topics: | craft platform
drilling platform Self-inspection platform self-assembling platform Lift pile coastal drilling platform craft platform Self-acceptance platform Drilling platform operation GBT37457 GB/T 37457-2019 Drilling process adaptability evaluation |
《GB/T 37457-2019自升式钻井平台插桩工艺》由TC12（全国海洋船标准化技术委员会）归口，TC12SC2（全国海洋船标准化技术委员会造船工艺分会）执行，主管部门为国家标准化管理委员会。
Introduction
Interpretation of the standard for pile driving of jack-up drilling platforms
The pile driving technology of jack-up drilling platforms is one of the important technologies in the field of marine engineering. This article will provide an in-depth interpretation of the National Standard of the People's Republic of China GB/T 37457-2019 "Pile Driving Technology of Jack-up Drilling Platforms", covering the process preparation, process requirements, process and inspection.
Background of Standard Formulation
| Standard Dimensions | GB/T 37457—2019 | Comparative Analysis |
|---|---|---|
| Technical Requirements | Specify the process flow and safety specifications for pile insertion | Compared with the old standard, detailed requirements for the ballast system and locking system have been added. |
| Scope of Application | Applicable to three-legged, pile-shoe jack-up drilling platforms | Extended to reference implementation of other types of jack-up drilling platforms. |
| Safety requirements | Emphasis on environmental conditions (wave height, water flow rate, wind speed) and system debugging requirements | Added specifications for ballast remote control valve operating system and tank ventilation and sounding system. |
Process preparation and implementation
The key steps of pile driving operation include:
- Environmental condition inspection: wave height ≤2.0m, water flow rate ≤0.4m/s, wind speed ≤10m/s.
- System debugging: the main power system, lifting system, locking system, etc. must operate normally.
- Tools and materials preparation: depth gauge, rack and pinion grease tool, ballast water release wrench, etc.
Detailed explanation of the process
The pile driving operation process is divided into four stages: lowering the pile, raising the ship, pressing the pile and locking:
- Legdown:Lower the pile legs and pile shoes to the seabed, and monitor the rack phase difference and platform levelness.
- Jack up:Lift the platform above the water surface through the lifting system and control the air gap within the design range.
- Preload:Add the weight of ballast water to make the pile legs reach a stable position, and monitor the platform settlement phenomenon.
- Locking:Start the locking system after lifting the platform to the operating air gap to ensure that the platform is fixed.
Implementation recommendations
To ensure the safety and efficiency of pile driving operations, it is recommended that:
- Operators must undergo professional training and have clear division of tasks.
- Regularly check the reliability of the lifting system and the ballast system.
- Stop pile driving operations in severe weather conditions to ensure safety.
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