coal measure gas 中文意思是什麼
coal measure gas
解釋
煤系氣-
On the basis of analyzing and chemically examining a large numble of samples, through comprehensively studying the reservoiring geological conditions as hydrocarbon generation, petrophysical property, reservoir - caprock assemblage and lithologic trap type, by use of mathematical statistics, it was considered that yulin gas field is located in the greatest hydrocarbon - generating intensity area in the basin and its hydrocarbon source rocks are the permo - carboniferous coal measure strata, thus possessing the material conditions of forming large - sized gas fields
通過大量的化驗分析樣品數據，採用數理統計的方法對生烴條件、儲層物性、儲蓋組合配置、巖性圈閉類型等成藏地質條件進行了較為深入的研究，認為榆林氣田處于鄂爾多斯盆地最大生烴強度區，其烴源巖為石炭二疊系煤系地層，具備形成大型氣田的物質條件。 -
Then i discussed methane desorption properties including cbm - bearing saturation, critical desorption pressure, the ratio between critical desorption pressure and original coal reservoirs pressure and difference of terra decompression ; cbm - bearing characteristics of coal seams including measured / academic cbm - bearing content, coalbed methane resources content and cbm resources abundance, etc. the author respectively gave a brief account of the basic characteristics of ancient and today ' s geothermic field at 1000m and 2000m depth, coal measure strata pressure field at the depth less than 1600m, structural stress field from jurassic to present, and ancient and today ' s fluid potential field ( that is water potential and gas potential distributing in coal measure strata )
分別簡述了準噶爾盆地1000m及2000m深度今古地溫場、 1600m以淺的煤系地層壓力場、侏羅紀至今地應力場及煤系地層水勢與氣勢分佈的今古流體勢場基本特徵，進而對這「四場」特徵及其互動關系與煤儲層物性、可采性及煤層氣聚集的關系進行了探討。從構造背景、構造演化及構造類型幾方面論述了本區構造作用的控氣特徵。 -
Aim at the present condition that the permeability of high rank coal reservoirs and its dynamic change regulation have been rarely studied, based on the modern testing technologies and actual measure data of coalbed methane ( cbm ) well with better drainage effect in qinshui basin, using the international advanced cbm well numerical simulation software ( comet2 ), the dynamic change regulation of the permeability of high rank coal reservoirs during gas recovery has been discussed, using the gas and water recovery process in divided stage is matched
摘要針對高煤級煤儲層滲透率尤其是其動態變化規律極少開展研究的現狀，基於現代測試技術和沁水盆地排采效果較好的煤層氣井實測排采數據，利用目前國際上較為先進的煤層氣數值模擬軟體comet2 ，採用分段擬合的方法對煤層氣井的產氣、產水過程進行歷史擬合和修正，進而對高煤級煤儲層滲透率在開采中的動態變化規律進行了探討。 -
Under this condition, the preventive measure was increasing the porosity of coal mass and deceasing the circulating channels of gas and air
提出了增加卸載區的范圍，促使煤體裂紋穩定擴展，降低單位煤體儲能從而控制沖擊礦壓發生的原理。 -
The research results indicated that it is the protection against outburst mechanism of the measure that elastic potential of coal is slowly released, zone of stress concentration is moved forward, length of stress relief zone is increased and the quantity of gas emission is reduced after injecting water
研究結果表明：該措施的防突機理在於注水后，煤體彈性潛能釋放緩慢，集中應力帶前移，卸壓帶加長，瓦斯湧出量減小。
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