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1、中国煤层气第二期煤与瓦斯突出防治技术途径探讨1211孙庆刚张德矿韩甲业桑逢云（１.国家安全监管总局信息研究，北京100029；２.北京陆德融天能源技术有限公司，北京100101）摘要：本文系统梳理防治瓦斯突出“四位一体”的技术体系，深入总结了淮南、晋城两类瓦斯防突模式，在此基础上，分析探讨了多分支水平井与井下负压钻孔联合抽采工艺，以及煤层射孔压裂增透等煤与瓦斯防突新技术和新工艺，并围绕防突技术提出加强基础理论研究、技术创新和严格准入退出。关键词：煤与瓦斯突出开采保护层瓦斯抽采DiscussionontheTechnicalApproachesofCoalandGa
2、sOutburstPreventinoandControl1211SUNQinggang,ZHANGDekuang,HANJiaye,SANGFengyun(1.ChinaCoalInformationInstitute,Beijing100029;2.BeijingLuderrongEnergyTechnologyCo.,Ltd,Beijing)Abstract:Thepaperinvestigatesthetechnicalsystemsofcoalandgasoutburstprevention,summarizesthetwotypesofgasoutbu
3、rstpreventionlmodesinHuainanandJincheng.Basedontheabovestudies,itanalyzesanddiscussestheintegrateddrainagetechniquecombiningmulti-lateralhorizontalwellsandundergroundnegative-pressureboreholes,andsuchnewtechnologyandprocessforcoalandgasoutburstpreventionandcontrolasperforationinthecoa
4、lseamandpermeabilityincreasebyfracturing.Itisproposedthatenhancingthetheoreticalresearch,technologyinnovationandrestrictedaccessandretreatstandardsforoutburstpreventionandcontroltechnology.Keywords:Coalandgasoutburst;miningtheprotectivelayer;gasdriange浅议山西煤层气储层特征及含气性郝力生（山西省煤炭地质勘查研究院，山
5、西030031）摘要：本文根据煤田地质勘查资料和煤储层孔、裂隙及等温吸附测试结果，通过对不同煤级煤的等温吸附测试成果、含气性特征、储层压力特征及孔裂隙特征分析研究，阐述了煤的Langmuir体积、Langmuir压力受Ro,max密切相关；煤层含气量和含气饱和度随煤层埋藏尝试增加而增加；煤中宏观裂隙与宏观煤岩类型相关，显微裂隙在低变质程度煤中发育优于高变质程度煤层；煤储层渗透率受煤层埋藏深度、应力状态等因素制约。关键词：煤储层物性煤层气特征DiscussionontheCharacteristicsandGas-bearingCapacityofCBMReserv
6、oirsinShanxiHAOLisheng(ShanxiCoalGeologicalProspectingInstitute,Shanxi030031)Abstract:Accordingtothecoalfieldgeologicalprospectingmaterialsandtheporesinthecoalreservoirs,fractures,andthetestresultsofisothermaladsorption,thepaperanalyzesandstudiesthetestresultsofisothermaladsorption,ga
7、s-bearingcapacity,characteristicsofreservoirpressureandfracturesforcoalswithdifferentcoalranks,andproposesthelangmuirvolumeandLangmuirpressurehavecloserelationshipwithRo,maxthegascontentandgassaturationincreasewiththeburialdepthofcoalseams,themacrofracturesofcoalarerelatedtothemacrosc
8、opicc
