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Q/BQB 267-2023: High strength and toughness casing
Status: Q/BQB 267: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| Q/BQB 267-2023 | English | 419 |
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High strength and toughness casing
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Q/BQB 267-2023
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| Q/BQB 267-2020 | English | 265 |
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High strength and toughness casing
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Q/BQB 267-2020
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| Q/BQB 267-2018 | English | 280 |
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Casing for high performance of strength and toughness
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Q/BQB 267-2018
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Basic data | Standard ID | Q/BQB 267-2023 (Q/BQB267-2023) | | Description (Translated English) | High strength and toughness casing | | Sector / Industry | Chinese Industry Standard | | Classification of Chinese Standard | QBQ | | Word Count Estimation | 12,129 | | Date of Issue | 2023-04-09 | | Date of Implementation | 2023-07-01 | Q/BQB 267-2020: High strength and toughness casing---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
High strength and toughness casing
High strength and toughness casing
2020-06-09 release
2020-08-10 Implementation
release
Foreword
This standard is compiled in accordance with the rules given in GB/T 1.1-2009.
This standard is formulated according to the characteristics of the company's products and processes.
Please note that certain contents of this standard may involve patents. Publication of this standard
The agency is not responsible for identifying these patents.
This standard replaces Q/BQB 267-2018.Compared with Q/BQB 267-2018, the main changes of this standard are as follows.
--Standard reference documents, adopt the latest version of ISO TR 10400.2018 and API SPEC 5CT.2018 instead of ISO TR
10400.2007, API SPEC 5CT.2011;
- Descriptive change of hydraulic test. "The hydraulic test shall comply with the requirements of API SPEC 5CT.2011 corresponding to P110 steel grade PSL1."
Amend to read "The hydrostatic test shall meet the requirements of API SPEC 5CT.2018, and the standard hydrostatic test pressure shall adopt its formula (6)
Calculate, when the calculated pressure is greater than 69.0MPa, the test pressure is limited to 69.0MPa";
- Clause 7.4, "For typical specifications of high-strength and high-toughness casing, the minimum collapse resistance shall meet the requirements of Appendix A (Normative Appendix).
For steel pipes of other specifications and steel pipes with special diameter requirements, the minimum collapse resistance is determined by the supplier and the buyer through negotiation. If the supplier can guarantee
If the collapse resistance is qualified, the test may not be carried out. "Revised to "Typical specifications of high-strength and high-toughness casing, minimum collapse resistance
The requirements of Appendix A (normative appendix) shall be met. If the supplier can guarantee that the collapse resistance is qualified, the test may not be carried out. the remaining
For steel pipes of specifications and steel pipes with special diameter requirements, the collapse resistance performance test is only carried out when the user requires, the minimum collapse resistance strength
Determined by negotiation between the supply and demand parties "
- "11.1 Embossing and/or lacquer marking" clause, "unless the following a) ~ d) are specially specified, it shall be in accordance with API SPEC 5CT.2011
The marking rules for P110 PSL1 steel grades for paint printing and vibration imprinting are revised to “unless the following a) ~ d) are special
It is stipulated that the marking rules of P110 PSL1 steel grade in API SPEC 5CT.2018 shall be used for paint printing and/or vibration imprint marking";
- "13 documents", "documents should comply with the provisions of 13.1, 13.2 and 13.4 of the API SPEC 5CT.2011 standard." Amendment
"The document shall comply with the provisions of Chapter 13 of the API SPEC 5CT.2018 standard (if applicable).".
Appendix A of this standard is a normative appendix.
This standard was proposed by the Manufacturing Management Department of Baoshan Iron and Steel Co., Ltd.
This standard is under the jurisdiction of Baoshan Iron and Steel Co., Ltd. Manufacturing Management Department.
This standard was drafted by the Manufacturing Management Department of Baoshan Iron and Steel Co., Ltd.
The main drafter of this standard. Xu Qing.
The previous versions of the standard replaced by this standard are as follows.
--Q/BQB 267-2018.
Introduction
This standard is the corporate standard of Baoshan Iron and Steel Co., Ltd. This standard refers to API SPEC 5CT.2018, combined with the company’s products and
Actual conditions such as quality assurance features are compiled.
This standard is applicable to the oil and gas exploitation environment of ultra-deep, ultra-high pressure and complex rheological formation in oil and gas exploitation in the oil and gas industry.
Seamless casing. Users of this standard should understand that higher requirements or different requirements may be required in individual applications. For a specific
For orders, it is the buyer’s responsibility to determine these additional requirements based on the intended use and design requirements. The formulation and publication of this standard has no intention to
In any way, restrict suppliers from supplying for individual purposes or prohibit purchasers from accepting other equipment or engineering solutions.
It is the responsibility of the steel pipe user to select the appropriate material for the anticipated use environment. When using this standard in a complex environment oil and gas industry production system
When selecting appropriate materials in the system, various factors affecting material performance should be considered comprehensively.
This standard does not provide employers, manufacturers or suppliers with warnings and training on the health and safety risks and preventive measures of their employees.
Or equipment obligations, nor do they assume their responsibilities under local, provincial and national laws and regulations.
Information on the safety and health risks involved in special materials and working conditions and the corresponding preventive measures should be obtained from the employer, manufacturer of the material
Or the supplier, or get it in the material safety data sheet.
The content of this standard cannot be interpreted as implying or otherwise granting any power to manufacture, sell or use any patent certificate.
Method, equipment or product. Nothing in this standard can be construed as an excuse for anyone who infringes the authorized power of the patent certificate.
High strength and toughness casing
1 Scope
This standard specifies the delivery technical conditions for Baoshan Iron and Steel Co., Ltd.'s high-strength and high-toughness casing.
This standard is applicable to the oil and gas exploitation environment of ultra-deep, ultra-high pressure and complex rheological formation in oil and gas exploitation in the oil and gas industry.
Seamless casing (hereinafter referred to as casing).
The casing steel grades in this standard are. BG110V, BG125V, BG140V, BG150V, BG155V.
The casing specified in this standard includes three product specification levels (PSL1, PSL2, PSL3).
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
ISO TR 10400.2018 Petroleum and natural gas industry casing, tubing, drill pipe and line pipe used as casing or tubing performance formula and
Calculation
API SPEC 5CT.2018 Casing and Tubing Specification
3 General
Unless otherwise specified in this standard, this standard adopts the corresponding regulations of API SPEC 5CT.2018 standard steel grade given in Table 1.Generally used
The API SPEC 5CT.2018 standard in Table 1 corresponds to the PSL1 grade requirements of the steel grade. When the contract indicates that the product specification level is PSL2 or
For PSL3, it can also be supplied according to the PSL2 or PSL3 grade of the corresponding steel grade in the API SPEC 5CT.2018 standard in Table 1, but at this time, it should be supplied by supply and demand.
The two parties negotiate and specify the specific requirements of the selected PSL2 or PSL3 level in the contract.
4 Designation methods, terms, definitions, symbols and abbreviations
4.1 Representation of grades
The grades (steel grades) of this standard are named according to "BG strength grade characteristic values use performance characteristic letters".
Among them, "BG" is composed of the first pinyin letter "B" of "bao" in Baosteel Co., Ltd., and the first pinyin letter "G" of "pipe" in pipe.
The characteristic value of the strength level is the value that specifies the minimum yield strength (in ksi). The use performance characteristic letter is V, which means it is suitable for high
Casing with strength and high toughness index.
4.2 Terms, definitions, symbols and abbreviations
Unless otherwise specified in this standard, the terms, definitions, symbols and abbreviations used in this standard are consistent with those specified in API SPEC 5CT.2018.
5 Information to be provided by the buyer
For other information provided, see API SPEC 5CT.2018 Clauses 5.1, 5.2 and 5.3 (if applicable).
6 Manufacturing method
Steel should be smelted by electric furnace or converter, and methods such as out-of-furnace refining should be used to control the content of harmful substances in the steel and the shape and size of inclusions.
The casing shall be hot-rolled seamless steel pipe.
The casing should be delivered in quenched and tempered state.
7 Material requirements
7.1 Chemical composition
The product brand (steel grade) and chemical composition (melting analysis and finished product analysis) should meet the requirements of Table 2.
7.2 Tensile performance
The room temperature tensile properties of the product should meet the requirements of Table 3.The elongation after fracture shall meet the requirements of API SPEC 5CT.2018 formula (1) and the corresponding steel grade.
7.3 Charpy V-notch impact test requirements
The casing pipe body and coupling blank shall be subjected to Charpy V-notch impact test, and the test temperature shall be 0℃. Sample orientation of all steel grades,
The size and minimum energy absorption requirements should meet the requirements of Table 3.
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