coal bed

Converting coal bed methane to LNG uses well-established technology, but has never been proved as a commercial proposition.

Almost half of it is thought to be in shale; the rest comes from coal-bed methane and tight gas.

The method has been used to forecast the stability of the roof of coal bed in the Liziya mine.

The invention relates to a physical simulation device and a simulation method for coal bed methane production.

The method can solve the technical problem of pre-extracting the coal bed gas of a coal bed, in particular for a low-permeability coal bed.

And a technical line of comprehensively utilizing coal and coal-bed gas to produce liquid methanol is recommended.

And PetroChina officials are exploring new shale gas and coal-bed methane opportunities all over the country.

Australia has some of the world's largest reserves of coal bed methane, and a relatively small domestic market.

"We are devoted to this cause of coal-bed methane, " he said dramatically.

The over-saturated CBM gas reservoir refers to that its gas-bearing content has been found to exceed the adsorptive ability of its coal bed.

To measure gas pressure is always a difficult problem, especially mensuration in coal bed is more difficult to guarantee.

But since the high coal bed gas content and concentration largely affected coalmine safety in production.

Coal-bed methane generator monitoring system achieved the collection of the analog parameters, treatment and control of generator speed.

And Far East Energy, a Houston-based firm, has just signed a gas sales contract for a coal bed methane project in Shanxi province.

For Coal Bed Methane(CBM) production, the pore passage must be established between natural fracture and well bore.

The deep coal bed is ignited with much water and high pressure in coal seams, and need to be moved in the channels.

The abnormity of the pressure of coal reservoir is an important reason for affecting the coal bed gas development.

The main selections of underground storage are depleted reservoir, deep brine reservoir, unworkable coal bed and deep sea etc.

or force the coal bed to uplift to be an open air coalfield (like Shenfu Coalfield) or suffering from auto ignition.

At last suggestions on speeding up the coal - bed gas industry development are put forward.

With the large amount exploitation of coal underground, the shifting of the space in coal bed caused land subsidence.

Put forward a new method applying conventional ground fracturing construction pressure to get coal bed rock mechanical parameters.

The general method using VRML to realize 3D visualization of coal bed is introduced.

The coal bed methane (CBD) utilization level is low due to the lack of technology, fund and market demand.

The principle and applications of PSA, especially the application prospect in recovery of refinery gas and coal-bed gas are introduced.

Air drilling and solid-free gelatin drilling fluid can be used in coal-bed methane drilling.

With the growing of China's electrical energy demand, utilization of coal-bed methane in power generation has drawn increasing attention.

China is very rich in coal bed gas resource, but its development and utilization is still in the initial stage.

This article describes the purification and storage of coal bed methane and the comprehensive utilization of coal bed methane.

The tectonic conditions of coal basin is a important factor studying on the coal-bed gas's generation and distribution.

Preliminary research on structural law of coal bed beneath nappe in No.

The exploration of shale gas and coal-bed methane is an important field of the non-conventional gas exploration.

Flat and long-distance mining was used to mine underlying low burst coal protective coat, which released the pressure of 13-1 coal bed.

The monitoring on underground coal bed combustion relied on drilling supervising in the past, but this method is not good.

The coal seams are thick and distributed widely and the coal bed methane reserving conditions are better in Yilan coal field.

Roadway heading is the forerunner for clearly knowing coal bed geological conditions.

Stratum energy of coal-bed gas reservoirs include coal-base, groundwater and gas elastic energies.

It is of guidance significance by all means to the construction of coal-bed gas well.

Primary factors influencing the exploration of coal - bed gas in low rank coal basins are analyzed.

This may serve to forcast the thin-coal bed zone of structure in working pits by using interlaminar slip structure .

After evaluated the gas drainage probability, Jiaoping mining area coal bed gas have drainage probability.

The current status of the development, utilization approaches and purification technologies of coal-bed gas is described.

However, analysts say Australia's coal-bed methane sector needs to consolidate because there are too many competing projects.

Mining of coal-bed gas including underground drainage, surface mining two.

"One complication for coal-bed methane is conflict with the coal miners, " he adds.

This rule was significant for choosing the way of gas injection heat mining of coal-bed.

Based on the low pressure of the coal bed gas well, the sand removal technology by mechanical sand fishing is put forward.

In the area of coal-bed methane, he says government support will be crucial for the sector.

Coal bed methane content is fairly high which threatened safety mining in some areas in Shuangyashan mining area.

Coal Bed Methane Drilling and Completion Technology in Western Basin of U. S.

Mr Mewawalla argues that auditors and investors have been cautious about coal-bed methane's prospects for all these reasons.

Australia is awash with deals involving coal-bed methane.

Although it is at beginning stage, development and utilization of coal-bed gas has bright prospect in China.

The mechanical action of ultrasonic wave through coal bed is also analyzed.

This business, known as coal-bed methane or coal-seam gas, first took off in America, but has now spread.

Among various ways of coal-bed gas drainage, pre-drainage from surface boreholes has the highest utilization value in industry.

It is a new way of the utilization of coal bed gas.

Therefore, the development of coal-bed gas should be studied according to the principle of gas drainage and its practice.

a. Coal-bed methane accounts for about 2% of the world's natural-gas supply.

One of Beijing's official goals is that China's coal-bed methane production should be 16 times higher in 2020 than it is today.

Sand-flushing operations of Jinping-2 well group contaminated the coal bed, this affected the gas production to some extent.

China United Coal Bed Methane Co.

This article introduced several kinds of technologies of coal-bed gas exploitation at the present.

Coal-bed methane alone could account for 14 per cent of domestic gas supply by 2030, according to the consultancy.

The coal-bed gas (gas) is a kind of non-renewable resource.

The application of the underbalanced drilling technique in the development of the coal-bed gas should be researched at the same time.

Reserves of coal, coal bed methane gas, bauxite, refractory clay, potassic rock and so on rank first in China.

Coal-bed gas resource in china is very abundant and gas reserves is the third of world.

Our country coal-bed gas natural resources is very substantial, and conventional natural gas resources, has huge development potential.

A Preliminary Study of the Distribution of Coal - Bed Gas in Relation to Its Occurrence State at Tangshan Coal Mine

Coal-bed gas is a new clean energy source, and is very abundant in our country.

Internationally advanced technology of coal-bed methane prospecting and exploitation as well as technical people in command of it;

At least five years' experience of coal-bed methane prospecting and exploitation;

Converting of diesel engine into coal-bed gas engine and investigation of the characteristics of start-up and idle speed of the engine

Study of Combustion Model for Appliance on Spark Ignition Engine Fuelled by Various Components Coal Bed Methane

An Experimental Study of Mechanism of Exploiting Coal-bed Methane by Injecting Carbon Dioxide or Nitrogen

Study on Identification Based Model for Predicting Exhaust Emission of the Coal-bed Gas Engine under Steady State Operation Condition

The Structural Features of Coal Bed Beneath Nappe and Its Influences to Fully-mechanized coal Winning Technology

Study on system models of the coal-bed methane project economy evaluation and its application

Numerical simulation of pinnate horizontal multilateral well for coal-bed gas development in consideration of start-up pressure gradient

Methods of integrated evaluation on coal bed methane reservoir property and its application

Application of mine - earth potential method to crack monitoring of pressurized cracking operation for coal bed methane borehole

Mining Practice in Fully Mechanized Caving Coal Face of Hard Roof, Soft Coal, Soft Bottom, and Large Inclination Thick Coal Bed

Study on the structures of Qianling Mine in North Anhui province and their effects to the destruction of the coal bed

Probe into the Mining of the Coal Bed Bearing the Threat of Pressed Water with "Three Underlying Belts" Theory

The adsorption capability of coal under integrated influence of temperature and pressure and predicted of content quantity of coal bed gas

Exploration and Application of Integrative Mechanisation Tunneling Technic Under Coal Bed with Compound Roof

Exploitation Technique of Using the Suspended Bracket to Put Down Upper Coal in the Punky and Broken Coal Bed

Development Foreground of Coal Bed Methane Comprehensive Utilization Industrial in Jincheng

Operation Stability and Emission Characteristic of Spark Ignition Engines Fuelled with Variable Components of Coal-bed Gas

Development Foreground of Coal Bed Methane Comprehensive Utilization Industrial in Jincheng

Operation Stability and Emission Characteristic of Spark Ignition Engines Fuelled with Variable Components of Coal-bed Gas

Characteristics of Borehole Distribution and Its Effect to Methane Content in Coal Bed

Experimental Research on the Substitution of the Compressed Coal Bed Methane for the Water Gas

Differences for geochemical controlling factors between coal-bed and conventional natural gases

Comprehensive Prediction Technology of High Permeability Zone for Coal-bed Gas--Taking Daning and Hancheng Areas as Example

Study on non-linear seepage flow of coal bed methane in low permeability formation

Application of New Type Combing Pipe String for Testing and Fracturing to Separated Layers in Coal Bed Methane Well

Reasons of participating in the pilot program of coal-bed methane exploitation in cooperation with foreign enterprises;

The relations between geological structure in the western Jincheng diggings and coal-bed methane wells arrangement

The relations between geological structure in the western Jincheng diggings and coal-bed methane wells arrangement

Research into Coal - bed Methane Drainage by Pressure relief Hydraulic Impacting and Cutting Technology

A Physical Property Analysis on the Upper Permian Coal Rocks and the Coal-bed Gas Reservoir, Eastern Yunnan and Western Guizhou

The cracked characteristic of occlude type of coal-bed crack under controlling hydraulic pressure in strata stress field

Experimental research on character of ultrasonic wave spreading in sandstone on upper plank of coal bed at high temperature

Parameter Determination of Dragline Excavator Casting Technology in Slowly Inclined Coal Bed

exploring hydrocarbon resources and coal bed methane and exploiting them cleanly and efficiently;

Coal-bed methane percolation numerical simulation considering gas slippage and water-gas coupling

Properties and exploitation prospects of coal bed gas resources of Late Permian epoch in North- western Chongqing

Discussion on Methane Prevention in Comprehensive Mechanized Driving in Single Coal Bed of Highly Gassy Mine

Discussion on Methane Prevention in Comprehensive Mechanized Driving in Single Coal Bed of Highly Gassy Mine

Geological features and potential resources of coal bed methane in Suibin fault depression of Sanjiang Basin

Analysis of coal bed self-ignite catch fire and study of fire fighting method in Xiaolongtan mining area

Affecting Factors of Coal-bed Gas Production and Production Prediction of Unstable Percolation

Working principle of tunnel coal-bed advanced detection with natural electromagnetic wave

Necessity and Feasibility of Coal-bed Methane Development and Utilization in Sichuan Province

Hydrogeological Controlled Properties of Coal Bed Gas in Central- Southern Qinshui Basin

Coal bed structure thinning belt characteristics and Genetic in Southern Hebei Coalfield

Numerical calculation and experiment on CO emissions of spark ignition engine fueled with coal bed methane

Research on the relationship between extractive parameters during extraction of coal bed gas well

Research on the relationship between extractive parameters during extraction of coal bed gas well

Present mining tremors in Fushun coal bed and preliminary study on behavior of urban geologic environment

Penetration-rate characteristic of multistratum coal bed and reasonable arrangement of hydraulic fracture bores

Experimental Study on the Composition and Decomposition of the Coal-bed Gas Hydrate

Practice on Uphill Low Support Synthesis Mechanization Extraction of Near Distance Thin Coal Bed

Present status and planning of the power plant fueled by coal bed methane in Jincheng mine area

Simulation of fluid-solid coupling flow of coal-bed methane

Seepage Law Research of Coal Bed Methane Using Nuclear Magnetic Resonance Imaging Technique

Numerical simulation of pressure swing adsorption processes for coal bed gas extracted

Exploiting Prospect of Coal Bed Gas in North of the Huanghe River Zhangqiu and Zibo Coal- fields

Exploiting Prospect of Coal Bed Gas in North of the Huanghe River Zhangqiu and Zibo Coal- fields

Relationship between microlithotype and cleat distribution in coal bed

Exploration and Practice of Coal Bed Methane Comprehensive Utilization

Experimental Study on Combustion Processes of Spark Ignited Engine Fueled with Coal Bed Methane

Study on structural stability of deep buried highway tunnel with underlying coal bed exploiting

Numeral Simulation of Stress Field for Low Permeable Coal-bed Gas Recovering with Hydraulic Cutting

Comprehensive assessment of geological conditions of coal-bed gas in Fuxin Basin using fuzzy method

Calculation of Fracturing Fluid Leakoff in Coal Bed with the Reopened Natural Fractures

Several Problem Influenced Drilling and Completion of Well Technology for Coal Bed Methane

Management ability in organizing the prospecting and exploitation of coal-bed methane; and

Study on "coal and coal-bed methane simultaneous extraction" technique on the basis of strata movement

Coal Bed Identification of Special Lithologic Strata in Seismic Exploration

The Tentative Discussion of Comprehensive Utilization of Coal Bed Methane in Jincheng

Application of Coal-Bed Methane Hydrate Technology in Storage and Transportation

The research of effect of the tectonic stress to surrounding ground stability of coal bed tunnel

Developing features of fissure system in Henan coal reserves seams and research on mining of coal bed methane

Self-feeding Horizontal Drilling Technology with Super-short Radius for Coal-bed Methane Wells

Physical Property of Coal Reservoir and Exploration Prospects for Coal Bed Methane in Huaibei Area

Application of Outburst Prevention Technique Measure by Using Hydraulic Cutting in Outburst Coal Bed

Factor Analysis and Prevention of Caving in Front of Supports at Fully Mechanized Caving Coal Face of Large Inclination Thick Coal Bed

Policy protection is prerequisite to commercialization of coal bed methane

Analyzing the Prospect of Coal-bed Methane Exploration and Development at Liupanshui

A Numerical Simulation of a Low-heat-value Coal-bed Gas Burner

The Application of the Shotcrete Rockbolt Mesh Support in the Mining of the Coal Bed Tunnel

Drilling Techniques of Coal-bed Methane Parameter Well in Baotian - Qingshan area of Guizhou

Analyses on Preservative Feature and Exploitation Prospect of Coal Bed Gas in Hunchun Basins

Progress of basic theory and accumulation law and development technology of coal-bed methane

Economic Benefit Analysis on the Exploitation and Utilization Coal bed Methane

Perspective Analysis of Coal-bed Gas Exploration and Development in Western Guizhou

Selective Study on Adsorbent for Improving Coal-bed Methane Concentration

Coal Bed Thickness Prospecting With Common Reflecting and Shifting Method

Geologic characteristics and distribution of coal - bed gas in Northeast China

Coal Bed Water Injection Hole Drilling Construction Technology

The Instantaneous Pressure on Well Bottom with Single-Phase Coal-Bed Methane Adsorption

Correlation on Preservation and Movement Features Between Coal Bed Gas and Ground Water

Conceiving and Suggestion about Developing and Utilizing Coal bed Gas in Panjiang Coal Mine

Study of kaolinite deposit within coal bed No. 11 in Hancheng mining area, Shaanxi

Exploration Result and Geological Analysis of Coal-bed Gas in the South Part of Qinshui Basin

Shanxi Province Should Attract Foreign Businessmen to Develop Coal Bed Gas Jointly

Exploration, development and utilization of coal bed gas resources;

Application of Coal-bed Water-infusion by Short Boreholes to Shotfiring and Roof-coal Caving Faces

Fracture Monitoring Technology by Dynamic Method for Coal-bed Fracturing

Study on Technology of Preventing Coal and Gas Outburst during Excavating in Outburst Coal Bed

A study on breakthrough curves of simulated coal bed gas on activated carbon adsorption column

Design of the computer controlled system of the engine using varying components coal-bed gas as fuel

Evaluation and Optimization of Coal Bed Methane Accumulation Zones in North China

New bore hole sealing technology applied in coal bed methane pressure measurement

Design for the Process of Methanol Production from Recovered Coal-bed Gas by Non-catalytic Transforming

Catalytic Basis for the Optimal Utilization of Natural Gas and Coal-Bed Methane

Analysis on the effect of Geological Conditions in the Economic Evaluation of Coal Bed Methane Exploitation Projects

Developing and Using Coal Bed Gas Contributes Improving thc Environment

Mud System Study and Application for Shallow Coal-bed Gas Wells Cementing under Complicated Conditions

Project Title: Comprehensive Utilization of Fuel Gas (Natural Gas, Coal-Bed Gas)

Trial Review on Exploration and Exploitation of Coal Bed Gas Resources in Hebei Province

Prediction, prevention and control of gas emission quantity in working face in low gas coal bed

Clean and Fast Construction Technology for Strap-laneway of Thin Coal Bed with Hard Upper Plank

Analysis of coal bed fault formation by comprehensive strength index method

Application of Distributed Control Systems to Coal-Bed Gas Utilization

The Unfavorable Factors and Strategies of Coal Bed Methane Exploration

Study on HC and NO Emissions of Spark Ignition Engine Fuelled with Coal Bed Methane

Discussion on the Ways to Improve the Recovery Rate of Coal-bed Methane

The exploration strategy of coal bed methane of coal basin in low coal rank in northwestern China

Study on Pinnate Horizontal Directional Drilling Technique of Coal-bed Gas

The Design of Microcomputer Controlled Ignition System for Coal Bed Engine

Analysis and Forecasting on Geological Factors of Coal Bed Methane Content

Current situation and prospect for developing and utilizing the coal-bed gas in Fuxin City

Probing into Drilling Technology for Exploiting Coal Bed Methane

In-house Testing Study on Fracturing Fluid Performance for Coal-bed Fracturing

Exploration construction and prospect of coal bed methane in Yilan Mining Area

Research on the Prospect of Coal-bed Methane Resources in Jurassic in Northwest China

Remote Sensing Research on Geological Selection Area of Coal Bed Gas in Qinshui Basin

Numeral Simulation Technology and Application of Coal-bed Gas Fields

Thinking of Coal Bed Gas Industrialization Development in Henan

Discussion on the Possibilities of Methane Hydrate Existence in Coal Bed

The Analysis of the Resources and Exploration Potential of lowrank Coal- bed Gas in Junggar Basin

Technique for combine supporting of bolt-mesh-anchor of seam entry in very loose-soft coal bed

The Instantaneous Pressure on Well Bottom of Coal- bed Methane in Dehydration Phase

Discussion on Tectonic Control for Reservoir Environment of Coal Bed Gas

Search Gas Reservoir of Coal Bed Gas With Seismic Anisotropism of Coal- bed Fracture

The questions needing attention of coal mining machine in mining three-soft coal bed

Harms of Crushing Liquid Affected on the Fluid Conductivity of Coal Bed Gas Well and the Treatment

Analysis on coal bed storage feature and influence factors of Tiefa coal - field

Environmental impacts of exploiting the coal bed gas in north Anhui province

Affecting Factors and Estimating Methods of Recovery Percent of Coal-bed Gas

Design of the electronic control unit of the coal bed methane engine

CLIVAR; International Symposium on Coal Bed Methane;

A Discussion on the Geological Conditions of Forming Wangyingzi Coal-bed Methane Reservoir in Fuxin Coal Field

Explosive Analysis of Coal-bed Gas Transmitted by Pressure Pipeline

Solve Scheme for Caving Coal Ventilation of Rapid Lean Coal Bed in Tub- and - stall System

Coal Bed Methane Power Generation and Generator Type Selection

Mathematical Model of Column Dynamic of Adsorption Process of Simulative Coal Bed Gas

The Influence of the Crack Creation and Development of Rock-Mass on Instability in Slope Coal Bed

The Pressure on Mine Bottom with Unbalanced Coal-Bed Methane Adsorption

Light Drills Digs "Three soft" Coal Bed Coal Lane Tunneling Application

Coal - bed gas exploration prospect in the mid - south section of Cangxian swell

Evaluation on Exploitation Prospect of Coal Bed Gas in Hancheng Mining Area

Analyses on exploiting prospect of coal bed gas resources in Henan Province

Study on The Method Of Numerical Simulation in The Geological Evolution History Of Coal-bed Gas

The Analysis and Prevention on the Accident of Spontaneous Ignition in the Coal Bed

Fluid Pressure-dependent Fractures in Coal-bed Gas Reservoirs

Key scientific issues of basic theoretic research for coal bed methane

Analysis of major factor influencing the coal bed methane in Hancheng area

Discussion on Coal Bed Methane Content Estimation Method

In Three Thick Coal Bed, Soft-bed Along Street Known to Explore Feasibility of Water Injection-gas Dust

Several problems relate to prospecting evaluation of coal bed gas

On the Features of the Coal Bed Gas Reservoirs in Shanxi Province

Start-up Ignition Research of Spark-ignited Engines Fuelled with Coal-bed Gas

Working Resistance and Safety Margin of Long-wall Support in Shallow Coal Bed

Analysis of Mechanism of Exploiting Coal-bed Methane by Gas Injection

Study on seepage features of coal-bed cracks under controlling stress

Analysis of Technique of Exploiting Coal-bed Methane by Injecting Gas

Special Geological Disaster in Mining of Extra Thick Coal Bed under Nappe

Research on Coal-bed Gas Emission and Emission Intensity in Working Faces

The Prospective Evaluation for Exploration of Coal-Bed Gas in South China

Source-contacting gas and Crude oil, oil shale, bitumen and tar coal-bed methane

Probe into the Coal Bed Threatened by Confined Water in Xiyu Coal Mine

Knock Detection and Knock Control of the Coal--bed Gas Engine

New version on the concept and classification scheme of coal bed methane

Study and application of fracturing fluid for gas well in coal-bed formation

Probe into several problems on selective area and evaluation of coal bed gas