中国煤层气开发利用最新进展及项目机会ProgressandProjectOpportunitiesoftheCMMDevelopmentandUtilizationinChina黄盛初博士,院长国家安监总局信息研究院HuangShengchu,Ph.D,PresidentChinaCoalInformationInstituteTel,Fax:+86-10-84657818Email:Huangsc@coalinfo.net.cn主要内容1中国煤层气资源及排放量2中国煤矿瓦斯抽采及利用现状3煤层气鼓励政策4煤层气国际合作5结论和建议MainContents1CBM/CMMResourcesandEmissions2CBM/CMMDrainageandUtilizationinChina3FavorablePolicies4ChinaCBM/CMMInternationalCooperation5ConclusionandSuggestionIncreasedCoalProduction:2.38billionstonsin2006ApprovedCoalMineSafety:AccidentsFatality:4584in2006IncreasingCMMDrainage:3.24billionsm3in2006SurfaceWellsforCBMDevelopmentProjectsOpportunitiesforCMM/CBM煤炭产量增长:2006年产量23.8亿t煤矿安全状况好转,但重大瓦斯事故未得到有效控制:2006年事故死亡4584人井下煤层气抽放量增长:2006年32.4亿m3煤层气地面井开发发展进入新阶段煤层气开发利用项目机会1中国煤层气资源及排放量1ChinaCBM/CMMResourceandEmissions31.46×1012m3.(71%below1000-2000m)晋陕蒙含气区54.83%北疆含气区21.87%冀豫皖含气区9.19%云贵川渝含气区9.00%其它5.12%Yunnan,Guizhou,SichuanandChongqingHebei,HenanandAnhuiNorthXinjiangOthersShanxi,ShaanxiandInnerMongolia12732.0×108m3鄂尔多斯盆地西部WestofErdosBasin14532.17×108m3准东EasternZhunge’er15094.34×108m3六盘水Liupanshui19962.27×108m3鄂尔多斯盆地东缘EastedgeofErdosBasin26258.98×108m3吐-哈TuhaBasin55157.77×108m3沁水QinshuiBasin55825.61×108m3鄂尔多斯盆地北部NorthofErdosBasin资源Resources盆地Basins表主要含气盆地资源量矿井瓦斯矿井瓦斯等级划分:低瓦斯矿井:10m3/t高瓦斯矿井:10m3/t煤(岩)与瓦斯突出矿井CoalMineMethaneClassificationofGassyMines:Lowgasmine:10m3/tHighgasmine:10m3/tCoalandgasoutburst-riskmines国有重点煤矿中高瓦斯矿井152处、煤与瓦斯突出矿井154处,合计306处,占49.8%中国每年由于煤炭生产而排放到大气中的瓦斯高达150亿m3以上152highgasmines,154Minesofcoalandgasoutburst-risk;Totally306,accountingfor49.8%ofallKeyStateOwnedmines.15billionm3ofCBM/CMMemittedfromcoalmines.2UndergroundGasDrainageinChina2.1CurrentSituations308setsofgasdrainagesystemserectedupto2006.CMMdrainage:3.24billionm3in2006.2.614billionm3fromKeyStateOwnedcoalmines.10coalminingcompanieswithCMMdrainageover100millionm3.2中国煤矿瓦斯抽采及利用现状2.1煤矿瓦斯地下抽采现状截止2006年,全国煤矿装备瓦斯抽采系统308套。2006年中国瓦斯抽采量为32.4亿m3,其中国有重点煤矿抽放量26.14亿m3。10个矿区年抽采量超过1亿m3。00.511.522.533.5阳泉淮南抚顺松藻盘江晋城水城铁法淮北鸡西2000200220042006图国有重点煤矿煤层气抽放量最大的十个矿区(亿m3)Fig10KeyStateOwnedcoalminingcompanieswithCMMdrainageover100millionm3YangquanHuainanFushunSongzaoPanjiangJinchengShuichengTiefaHuaibeiJixi2.2UndergroundGasDrainageTechnologiesDrainagebeganincoalminesearly1950s,technologiesupgradedBeforemining,drainageduringmining,postdrainage.DrainingCMMfromminingseam,adjacentseam,gob,etc.Horizontalborehole,drainagetailgate,etc.2.2井下瓦斯抽采技术50年代起,开始井下瓦斯抽放,目前技术已较为成熟抽采方法:采前预抽、边采边抽、采后抽采法;开采层抽采、临近层抽采、围岩抽采、采空区抽采法;钻孔法抽采、巷道法抽采、保护层抽采及混合法抽采法。淮南矿区瓦斯抽采技术:ImprovingdrainagetechnologyinHuainancoalmines:1#4#2#6#3#7#10#8#9#1781(3)运输巷1781(3)回风巷13-1煤150m5010010010010010010010010010010010010010010050钻场底板瓦斯抽放巷5#11#12#13#14#15#图工作面卸压区底抽巷、穿层瓦斯抽采钻孔位置FigPositionsofdrainageroadwaysanddrainageboreholesthroughdrilledintorelaxedgassyseamsIntakeReturnDrillingStation裂隙圈开采层抽采钻孔抽采巷道开采层DrainageRoadway2.3中国煤层气地面抽采中联煤层气公司、煤业集团和中石油美国、澳大利亚、加拿大等国公司2.3SurfaceWellsforCBMDevelopmentCUCBM,Largecoalminingcompanies,CNPCCompaniesofAmerica,AustraliaandCanada截止2006年底,地面井数量796口,形成产能6亿m3。截至2007年9月,晋城煤业集团已经累计建成626口地面煤层气井,年产气规模2亿m3以上。796wellswereinplaceattheendof2006,buildingproductioncapacityover600Mm3.626CBMwellsweredrilledinJinchengUptoSep.2007.Productioncapacityover200Mm3.多分支水平井具有单井产量高的特点。山西沁水盆地南部潘庄区块,2005年开始施工了12口多分支水平井,2007年9月10日,其中的PZP03-1井产量突破10万m3。Wellswithmultiplehorizontalbranches:highergasflow.12wellswithmultiplehorizontalbranchesweredrilledinPanzhuangarea,southernQingshuiBasin,Shanxi.PZP03-1well’sproductionisover100000m3/donSep.10,2007.图多分支水平井井身结构图FigStructureofhorizontalwellwithmultiplebranches图河南焦作位村井网煤层气排采点火成功FigFlare-lightingofCBMwellfromsurfacewellsatJiaozuocoalmines,Henanprovince.35.5%11.5亿1.15billion32.4亿3.24billion200642.6%9亿0.9billion23亿2.3billion2005利用率UtilizationRate利用量Utilizationvolume,m3抽采量Drainagevolume,m3年Year2.4中国煤层气利用现状瓦斯利用量超过1000万m3的煤矿企业有16家。煤层气主要用于民用和工业用燃料、发电和燃气汽车等。2.4CBM/CMMUtilization16coalminecompaniesdrainedmorethan10Mm3.CBM/CMMuse:cookingfuel,fuelforpowergenerationandvehicles.050100150200250300350抚顺松藻宁煤铁法鹤岗淮北靖远阜新淮南阳泉水城天府峰峰沈阳晋城鹤壁抽采量利用量图2006年利用量超过1000万立方米的十六个煤矿企业抽采量、利用量表FigDrainageandutilizationvolumeof16coalcompanieswithutilizationvolumeover10Mm3in2006Mm3FushunSongzaoNingmeiTiefaHegangHuaibeiJingyuanFuxinHuainanYangquanShuichengTianfuFengfengShenyangJinchengHebi2.5PowerGenerationConstructionofCBM/CMMpowerplantsprojectsinShanxiprovince,ChongqingandGuizhouProvinceandsoon.Totalinstalledcapacity:400MWGasenginesorturbinesofShandongShendong,Genbacher,Carterpillar,Deutz.2.5煤层气发电山西、重庆、贵州等省份的煤矿建起了瓦斯发电厂。总装机容量400MW。中国山东胜动燃气发电机组,国外扬巴赫、卡特彼勒和道依茨燃气发电机组。图晋城120MW煤层气电厂Fig120MWpowerplantinJincheng2.6LiquefiedCMMForlongdistancetransportationCMMliquefactionatYangquanCoalMiningGroup.2.6煤层气液化便于远距离运输阳泉煤业集团煤层气液化3煤层气鼓励政策3PoliciesforCBM/CMMDevelopment(1)《煤层气(煤矿瓦斯)开发利用“十一五”规划》2010年煤层气产量:100亿立方米。(2)《国务院办公厅关于加快煤层气(煤矿瓦斯)抽采利用的若干意见》(1)“EleventhFive-Year’PlanforCMM(coalminegas)DevelopmentandUtilization“.IncreasingrecoveryofCBM/CMMto10billionm3in2010.(2)“SeveralOpinionsonPromotionofCBM/CMMDrainageandUtilization”(3)“Regu