Results 71 to 80 of about 2,466,920 (160)

APPLICATION OF SOAP TECHNOLOGY IN OSA-CBM SYSTEM

, 2006
High-reliability requirements on machinery in modern manufacturing lead to the emergence of high-performance maintenance approach. Condition-Based Maintenance (CBM) as a new mode of equipment maintenance provides a kind of realtime detective maintenance ...
Hu JT(胡静涛), Zhang XF(张晓芬)
core  

Characteristics of deep Jurassic coalbed methane reservoir and its pore-fracture structure in Junggar Basin

Meitan kexue jishu
The physical properties of coal reservoirs are crucial for evaluating deep coalbed methane (CBM) potential. The Jurassic Xishanyao and Badaowan formations in the Junggar Basin are key CBM targets, characterized by thick, stable, and widely distributed ...
Julei MI, Jun JIN, Baoli XIANG, Zhaobiao YANG, Haifeng BAI, Ni ZHOU, Yuqiang WANG, Yu ZHANG, Jianan WANG   +8 more
doaj   +1 more source

Relation Between CBM-R and CBM-mR Slopes

, 2011
Oral reading tasks and Maze reading tasks are often used interchangeably to assess the level and rate of reading skill development. This study examined the concurrent validity of growth estimates derived from Curriculum-Based Measurement of Oral Reading
Theodore J. Christ, Jamie Y. Fearrington, Seungsoo Yeo   +2 more
core   +1 more source

Stable isotope-based origin identification and enrichment zone division of medium- to low-rank coalbed methane

Meitian dizhi yu kantan
ObjectiveMedium-to low-rank coalbed methane (CBM) exhibits complex origins with significant vertical differentiation, leading to unclear origin identification and enrichment patterns.
Qiong WANG, Fengyin XU, Pengfei REN, Hao XU, Pengda LU, Han HU, Siyuan ZHOU   +6 more
doaj   +1 more source

Condition Based Equipment Maintenance:Research on CBM Technology

, 2005
设备的监测和维护是保证设备正常运行、提高设备工作效率、延长设备使用寿命的主要手段。基于状态的设备维护(CBM)是新一代的设备监控与维护技术,介绍了一个标准化的CBM系统框架(OSA-CBM)。它基于分布式网络结构,采用当前流行的组件技术,同时定义了标准的功能模块和接口 ...
郭前进, 于海斌, 徐皑冬
core  

Research on working condition analysis and parameter optimization of hydraulic jet pumps in deep coalbed methane wells: a case study of Daning-Jixian block on eastern margin of Ordos Basin

Youqicang pingjia yu kaifa
Hydraulic jet pumping is a widely used drainage and production technique in the artificial lift stage of deep coalbed methane (CBM) wells. In the early stage of deep CBM development in the Daning-Jixian block, there was generally a lack of systematic ...
WU JIANJUN, MA WENTAO, HAO PENGCHENG, LIU CHENWEI, LIU YINHUA, FENG YANQING, YIN DECAI, ZHANG KANG   +7 more
doaj  

Rock physics model for deep coal-bed methane reservoir based on equivalent medium theory: A case study of Carboniferous-Permian in Eastern Ordos Basin

Open Geosciences
The deep coal-bed methane (CBM) resources represented by the Benxi Formation in the Eastern Ordos Basin have enormous potential and have achieved industrial breakthroughs in recent years.
Zhang Bing, Zhang Haifeng, Pan Fuyou
doaj   +1 more source

Analysis of Occurrence of Deep Coalbed Methane and Its “Desorption–Diffusion–Seepage” Process

Separations
China has abundant deep coalbed methane (CBM) resources; however, high temperature, stress, and reservoir pressure complicate the gas adsorption–desorption–diffusion–seepage processes, severely restricting the development of deep CBM.
Bingwen Zhang, Tao Jiang, Li Niu, Sha Li, Shu Tao   +4 more
doaj   +1 more source

The Application of SOAP Technology In OSA-CBM System

, 2006
基于状态的维护(CBM)是一种新的设备维护方式,国际上的研究小组正致力于CBM系统开发标准的制定,提出了一种开放式体系结构OSA-CBM。本文探讨了SOAP技术在开放式CBM系统中的应用,设计了基于SOAP的CBM系统通信模型 ...
胡静涛, 张晓芬
core  

In-situ geological conditions and their controls on permeability of coalbed methane reservoirs in the eastern Ordos Basin

Frontiers in Earth Science
The eastern Ordos Basin plays an important role in China’s coalbed methane (CBM) industry, boasting considerable CBM resources and pronounced reservoir heterogeneity, making it an ideal site for comparative research on deep and shallow CBM geology.
Yan Zhang, Jincheng Liu
doaj   +1 more source