Standards

NB/T 11049-2022 Active

NB/T 11049-2022 Shale gas horizontal well geological tracking evaluation technical specification

This document specifies the objectives, principles, basic data collection, content, technical requirements, and result submission for geological tracking and evaluation of shale gas horizontal wells prior to drilling and hydraulic fracturing. This document is applicable to geological tracking and evaluation of shale gas horizontal wells.

Publish Date: 2022-11-04

NB/T 11050-2022 Active

NB/T 11050-2022 Shale gas: Shale artificial fracture stress sensitivity testing method

This document specifies the rock sample preparation, testing process, and instrumentation for the stress sensitivity experiment of shale artificial fracture permeability, as well as the testing process and technical requirements, data processing, and experimental analysis. This document is applicable to the determination of shale artificial fracture permeability, stress sensitivity testing, analysis, and evaluation.

Publish Date: 2022-11-04

NB/T 14002.1-2022 Active

NB/T 14002.1-2022 Shale gas reservoir modification - Part 1: Fracturing design specifications

This document specifies the design of hydraulic fracturing for shale gas wells in terms of basic data collection, fracturing design principles, fracturing processes, selection of fracturing layers and perforation, fracturing materials, construction parameters, pumping procedures, on-site construction preparation and equipment coordination, fracturing operations and fluid discharge, risk analysis and emergency response plans, health, safety, and environmental protection, and the principles and requirements of fracturing design documents. This document is applicable to the design of hydraulic fracturing for shale gas wells.

Publish Date: 2022-11-04

NB/T 14002.3-2022 Active

NB/T 14002.3-2022 Shale gas reservoir modification - Part 3: Fracturing fluid recovery and treatment methods

This document specifies the surface recovery system for shale gas fracturing flowback fluids, the recommended water quality treatment processes for the reuse and external discharge of fracturing flowback fluids, the recommended water quality indicators for reuse after treatment, and the detection and analysis methods for water quality indicators. This document is applicable to the recovery and treatment of shale gas fracturing flowback fluids.

Publish Date: 2022-11-04

NB/T 14002.4-2022 Active

NB/T 14002.4-2022 Shale gas reservoir modification - Part 4: Horizontal well pumping bridge plug-perforation joint operation technology recommended practices

This document specifies the technical requirements for the construction design, preparation, process and methods, data collection, and health, safety, and environmental protection of the combined operation of pumping bridge plugs and perforation in shale gas horizontal wells. This document is applicable to the combined operation of pumping bridge plugs and perforation in shale gas horizontal wells. Other types of horizontal wells in oil and gas reservoirs can refer to this document for implementation.

Publish Date: 2022-11-04

NB/T 14004.4-2022 Active

NB/T 14004.4-2022 Shale gas cementing engineering Part 4: Evaluation method for cement annulus sealability

This document specifies the cement ring sealing evaluation device, testing process, and evaluation method for shale gas wells. This document is applicable to the sealing evaluation of cement rings during the drilling and completion, extraction, and other operations of shale gas wells.

Publish Date: 2022-11-04

NB/T 14020.3-2022 Active

NB/T 14020.3-2022 Shale gas, Tools and Equipment, Part 3: Fracturing sliding sleeve at toe end

This document specifies the classification and models, basic parameters, technical requirements, test methods, inspection, marking, packaging, transportation, and storage of toe-end fracturing sleeves for shale gas wells. This document is applicable to toe-end fracturing sleeves for shale gas wells, and toe-end fracturing sleeves for other oil and gas wells can be implemented in accordance with this document.

Publish Date: 2022-11-04

NB/T 11027-2022 Active

NB/T 11027-2022 Mine anti-explosion prediction map drawing specification

This document is applicable to the drawing of anti-sudden outburst prediction maps for underground coal mines.

Publish Date: 2022-11-04

NB/T 11028-2022 Active

NB/T 11028-2022 Mine abandoned gas extraction drill hole sealing technical specification for underground coal mine gas extraction

This document is applicable to the permanent sealing of abandoned gas extraction boreholes.

Publish Date: 2022-11-04

NB/T 11029-2022 Active

NB/T 11029-2022 Coal slurry drying technology specification for gas-storing and oxidative oxidation furnace flue gas from coal mine

This document is applicable to the engineering design, construction, and acceptance of gas-fired heat-storage oxidation furnaces used for drying coal sludge in coal mines.

Publish Date: 2022-11-04

NB/T 11030-2022 Active

NB/T 11030-2022 General requirements for coal mine low-concentration gas generator sets

This document is applicable to the design and manufacture of low-concentration gas power generation units in coal mines, the design of gas power generation projects, safety evaluation, environmental evaluation, and project acceptance. High-concentration gas power generation units in coal mines can be used for reference.

Publish Date: 2022-11-04

NB/T 11003-2022 Active

NB/T 11003-2022 The basic technical specifications for a hydropower station bridge crane

This document is applicable to single-gantry bridge cranes with a rated lifting weight range of 8 tons to 1,500 tons, and double-gantry bridge cranes with a rated lifting weight range of 25 tons + 25 tons to 700 tons + 700 tons, used in newly built, renovated, or expanded hydropower stations.

Publish Date: 2022-11-04