Overview
Coal rock cores are critical samples obtained through specialized drilling techniques to study coal seam characteristics. They provide insights into coal quality, gas content, and geological conditions, aiding in resource evaluation and mining safety. Standard core diameters range from 50–100 mm, with lengths varying based on research objectives. These samples are indispensable for coalbed methane (CBM) projects and carbon storage studies due to their preserved natural state.
Key Features
Coal cores retain original bedding planes and fractures, enabling accurate analysis of mechanical strength and gas adsorption properties. Their heterogeneous composition—including vitrain, fusain, and mineral layers—requires careful handling to prevent degradation. Advanced coring technologies, such as wireline drilling, minimize contamination and improve sample recovery rates. Core metadata (depth, orientation) is meticulously documented to support 3D reservoir modeling.
Application Areas
In mining, cores determine seam thickness and roof stability, guiding excavation plans. For CBM development, they measure gas saturation and permeability, critical for extraction efficiency. Research institutions use cores to study carbon sequestration potential and coalification processes. Environmental applications include analyzing trace elements and their mobilization risks during mining.
Precautions
Cores must be sealed in inert gas or paraffin immediately after extraction to prevent oxidation or moisture loss. Transport requires shock-absorbent packaging to preserve microfractures. Lab storage should maintain 20–25°C and <60% humidity. Handling flammable cores (e.g., high-gas-content samples) demands explosion-proof facilities and trained personnel.
B2B Procurement Guide
Specify required core parameters: diameter, recovery rate, and preservation method. Reputable suppliers provide ISO-certified drilling logs and chain-of-custody documentation. Bulk orders for exploration projects may negotiate volume discounts. Verify supplier capabilities to meet deadlines, especially for deep (>500m) or gassy seams. Third-party lab testing is recommended for quality assurance.
Related Manufacturers
- 主营：煤岩岩心、化合物、催化剂
- 主营：给料机、止回阀、控制柜、台式岩心切割机、驱动滚筒、信息矿灯、储水设备、注式钻机、电动球阀、帆布水桶、角铝压条、输送机配件、位移传感器、电液控配件、折叠式水箱、液压摇臂钻床、正压式采样器、升降式逆止阀、万向摇臂钻床、硬质合金钎头、单体液压支柱、压力测定装置、瓦斯测定装置、甲烷气体检测器、防溢裙板夹持器、液压油缸拆装机
- 主营：147销轨、u95齿套、7gl刮板、煤钻杆、28煤钻头、空心煤钻杆、54sa刮板、15gl刮板、主机刮板、42防突钻头、42防突钻杆、打孔注浆机、钻注一体机、90S刮板、113S刮板、18*64圆环链、ZLJ-350钻机、B19钻杆、28金刚石钻头、B22钻杆、U94齿套、防突钻杆、U95截齿、764刮板、锻打销轨
- 主营：小型挖掘机、越野叉车、轮式挖掘机、小型压路机、电动叉车、电动堆高车、自上料搅拌车、朝天锅搅拌车、搅拌斗装载机、两头忙装载机、铲车装载机、滑移装载机、履带运输车、田园管理机、护栏打桩机、扫雪机、扫雪车、背包钻机、冷喷热熔划线机、手推洗地机、驾驶洗地机、驾驶式清扫车、扫地机、扫地车
- 主营：挖掘机、小型挖掘机、轮式挖掘机、小型压路机、越野叉车、电动叉车、自上料搅拌车、朝天锅搅拌车、搅拌斗装载机、两头忙装载机、铲车、滑移装载机、履带运输车、田园管理机、护栏打桩机、扫雪机、背包钻机、划线机、旋耕机、爬山虎、搅拌斗、挖土机、装载机、抓木机
- 主营：小挖机、装载机、挖掘机、岩心背包钻机、电动叉车、农用挖机、履带运输车、上料搅拌车、混凝土搅拌车、小型挖掘机、轮式挖掘机、小型压路机、越野叉车、小铲车、电动堆高车、自动上料搅拌车、朝天锅搅拌车、搅拌斗装载机、两头忙装载机、履带旋耕机、田园管理机、波形护栏打桩机、扫雪机、扫雪车、除雪机、工程挖掘机
- 主营：自上料搅拌车、小型挖掘机、轮式挖掘机、岩心背包钻机、小型压路机、越野叉车、电动叉车、电动堆高车、朝天锅搅拌车、搅拌斗装载机、两头忙装载机、铲车、滑移装载机、履带运输车、田园管理机、护栏打桩机、扫雪机、背包钻机、扫地机、清扫车、小挖机、装载机、搅拌车、履带爬山虎、挖掘机
- 主营：百格盒、折叠物流箱、组合式零件盒、岩心箱、岩心劈心机、塑料岩心盒、岩心劈样机、较大塑料岩芯箱
- 主营：取土钻机、潜孔钻机、探矿钻机、岩心钻机、绳索取芯钻机、土壤采样设备、地质钻机、勘探钻机、钻探机、岩芯钻机、土壤取样钻机、全液压钻机、便携式钻机、取样钻机、轻便钻机、液压钻机、工程钻机
- 主营：fib制样、露头砂岩、密度测试、人造岩心制作、qemscan测试、恒速压汞测试、铸体薄片鉴定、激光粒度分析、氮气吸附测试、图像粒度分析、致密气灰岩露头、碳氧同位素检测
- 主营：挖掘机、小型挖掘机、轮式挖掘机、小型压路机、越野叉车、电动叉车、电动堆高车、自上料搅拌车、朝天锅搅拌车、搅拌斗装载机、两头忙装载机、铲车、装载机、滑移装载机、履带运输车、田园管理机、护栏打桩机、扫雪机、扫雪车、背包钻机、抛雪机、推雪机、清扫车、柴油叉车、爬山虎
- 主营：注浆管、钢花管、超前小导管、岩心管、跟管
- 主营：潜孔外平钻杆、锚固钻杆、水井钻杆、岩心管价格、地质钻杆、探矿钻杆、优质锁接头、过渡接头
- 主营：水井钻机、液压钻机、岩芯钻机、土壤取样钻机、背包钻机、履带运输车、护坡钻机、横向打井机、混凝土取芯机、注浆加固钻机、潜孔钻机、劈裂机、压路机
- 主营：灌浆塞