GB/T 24505-2009Technical specification of drilling for high pressure aquifer water detection in underground mine (English PDF)
矿井井下高压含水层探水钻探技术规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 30, 2009
Implementation date
April 1, 2010
Scope
GB/T 24505-2009 is the English-translated version of 矿井井下高压含水层探水钻探技术规范.
GB/T 24505-2009 is the Chinese standard "Technical specification of drilling for high pressure aquifer water detection in underground mine". Its scope clause reads: This standard specifies the high voltage underground mine aquifer water exploration drilling construction conditions and technical requirements for the job.
This standard applies to underground mining coal mine underground HV aquifer water exploration drilling, other high-pressure water body water exploration drilling can The reference standard.
Its clauses include terms and definitions; general; water exploration drilling preparations.
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Document preview — GB/T 24505-2009
National Standard of the People's Republic of China
- ICS
- 13.100
- Classification
- D 09
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 General
- 5 water exploration drilling preparations
1 Scope
This standard specifies the high voltage underground mine aquifer water exploration drilling construction conditions and technical requirements for the job.
This standard applies to underground mining coal mine underground HV aquifer water exploration drilling, other high-pressure water body water exploration drilling can
The reference standard.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated references, the latest edition of the standard on this.
MT/T 632-1996 Technical specifications downhole drilling escape
Coal Mine Safety Regulations
Power engineering geological drilling technical regulations
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Water exploration drilling opening pressure of not less than the aquifer 3MPa.
3.2
Water exploration drilling process, due to pressure big rig when the chuck is released instantly, drill sudden ejection phenomenon drilling high-pressure water.
3.3
The action of water under high pressure, the casing due to rust, consolidation is not strong and other causes sleeve loose, bulging, rupture, opening to take water and so on.
4 General
4.1
In order to meet the underground water exploration drilling technology requirements to ensure safe water exploration, formulated standards.
4.2
high-pressure underground aquifer water exploration drilling process prone orifice, the top drilling, casing failure and other problems, water exploration operations should develop strict
Exploring water drilling technical measures.
4.3
water exploration drill water exploration drilling should be strictly in accordance with the design requirements, the preparation of construction design water drilling and exploration safety technical measures.
In addition to the implementation of the standards, use the 4.4 standard is based on existing conventional downhole drilling equipment and equipment for the preparation of a variety of drilling equipment, also
Equipment required manual operation.
New technologies not covered 4.5 standard, new methods, new technology, new equipment, new materials, the construction unit can be implemented in accordance with the actual situation of the development
Details or make supplementary technical regulations.
5 water exploration drilling preparations
5.1 General provisions
5.1.1
After receiving water exploration drilling task, the person in charge of drilling and engineering and technical personnel should be familiar with water exploration drilling designed to understand the conditions of the construction site, compiled
Water exploration drilling system construction design.
GB 40881-2021 | GB/T 23249-2009 | AQ 1043-2007 | GB 47291-2026 | GB 47290-2026 | GB 24502-2023 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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