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GB/T 25428-2025Petroleum and natural gas industries - Drilling and production equipment - Drilling and well-servicing structures (English PDF)

石油天然气工业　钻井和采油设备　钻井和修井井架、底座

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 2, 2025

Implementation date

July 1, 2026

Scope

GB/T 25428-2025 is the English-translated version of 石油天然气工业　钻井和采油设备　钻井和修井井架、底座.

GB/T 25428-2025 is the Chinese standard "Petroleum and natural gas industries - Drilling and production equipment - Drilling and well-servicing structures".

Its scope clause reads: This document specifies the technical requirements, design, quality control, and testing procedures for derricks and bases used in drilling and well workover operations in the oil and gas industry.

Inspection, marking, documentation, storage, packaging and transportation. This document applies to all new steel tower derricks and portable derricks (including cable-stayed portable derricks and workover rig portable derricks).

The design, manufacture, testing, and inspection of the base. Note. This document provides two product specification levels, PSL1 and PSL2.PSL1 includes the practices currently commonly practiced in the manufacturing industry, and PSL2 includes all the practices of PSL1.

There are requirements and additional requirements. Its clauses include terms and definitions.

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Document preview — GB/T 25428-2025

National Standard of the People's Republic of China

ICS: 75.180.10
Classification: E 92
Replacing: GB/T 25428-2015

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Classification and Representation Methods
4.1 Method for designating derrick models
4.2 Base Model Designation Method
4.3 Overhead Crane Model Designation Method
5 Technical Requirements
5.1 General Rules
5.2 Basic Parameters
5.3 Structural safety level
5.4 Allowable strength
6 Design
6.1 General Rules
6.2 Structural Analysis and Stability Design
6.3 Design Conditions
6.4 Design load
6.5 Design Validation
6.6 Design Confirmation
7 Quality Control
7.1 General Rules
7.2 Quality control personnel qualifications
7.3 Test Equipment
7.4 Traceability
7.5 Material
7.6 Welding
7.7 NDE
7.8 Process Quality
7.9 Customer Inspection
7.10 Required Confirmation Process
8.Testing and Inspection
8.1 General Rules
8.2 Test Item
8.3 Inspection Rule
9.Mark
9.1 General Rule
9.2 Nameplate information for tower-shaped and portable derricks
9.3 Well workover rig derrick nameplate information
9.4 Base nameplate information
9.5 Overhead Crane Nameplate Information
10 Documents
10.1 General Rule
10.2 Manufacturer-preserved documents
10.3 Accompanying documents upon equipment delivery
11 Storage, packaging and transportation
11.1 Store for 30 days
11.2 Packaging
11.3 Transportation
Appendix A (Normative) Additional Requirements
Appendix B (Informative) Procurement Guidelines

1 Scope

This document specifies the technical requirements, design, quality control, and testing procedures for derricks and bases used in drilling and well workover operations in the oil and gas industry.

Inspection, marking, documentation, storage, packaging and transportation.

This document applies to all new steel tower derricks and portable derricks (including cable-stayed portable derricks and workover rig portable derricks).

The design, manufacture, testing, and inspection of the base.

Note. This document provides two product specification levels, PSL1 and PSL2.PSL1 includes the practices currently commonly practiced in the manufacturing industry, and PSL2 includes all the practices of PSL1.

There are requirements and additional requirements.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 229 Metallic materials Charpy impact test method

GB/T 2970 Ultrasonic Testing Methods for Thick Steel Plates

GB/T 9445 Qualification and Certification of Nondestructive Testing Personnel

GB/T 19190 Drilling and hoisting equipment for the oil and gas industry

GB/T 23505 Drilling rigs and workover rigs for the oil and gas industry

GB 50009 Load Code for Building Structures

GB 50011 Code for Seismic Design of Buildings

GB 50017 Standard for Design of Steel Structures

GB 50135 Standard for Design of Tall Structures

GB 50205 Standard for Acceptance of Construction Quality of Steel Structures

GB 50661 Code for Welding of Steel Structures

SY/T 5170 Steel Wire Rope for Oil and Gas Industry

SY/T 6666 Recommended practices for the selection and maintenance of steel wire ropes for the oil and gas industry

SY/T 10030 Recommended Practices for Planning, Design and Construction of Offshore Fixed Platforms. Working Stress Design Method

ISO.19901-1 Particular requirements for marine structures in the oil and gas industry - Part 1.Marine hydrometeorological design and operations (Pe-

3 Terms and Definitions

The following terms and definitions apply to this document.

GB/T 18604 | GB/T 23258 | SY/T 5164 | GB/T 25430 | GB/T 25429 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 38 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

Editions of GB/T 25428

Edition	Title	Revision	Status
GB/T 25428-2025	Petroleum and natural gas industries - Drilling and production equipment - Drilling and well-servicing structures	current edition	Current
GB/T 25428-2015	Petroleum and natural gas industries - Drilling and production equipment - Drilling and well-servicing structures	previous edition	Superseded

This page sells the current edition, GB/T 25428-2025. Earlier editions are listed for reference only.

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