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页岩气成藏机理和分布44246334

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页岩 气成藏 机理 分布 44246334
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*'Ó"SE1–SÐÁ( 40272062, 40172052)„SE×v$ùî/ 9730["( †sùîîTbT€eº:fÁ+,¬q,pV;ö1VYdÈ??–aîŸØ#'÷ßNùîb¹¶: ( 100083)ØÐý^ÏS¹ÉvÐbÈÅ: 13910841297ûîŸØ„sƒ*张金川1 金之钧2 袁明生3( 1.ÏS¹ÉvÐ?÷¹É" 2.ÏSFÄF²>7?ùîý 3.ÏSF²sW²Bs³)fÁ+©天然气工业, 2004; 24( 7) : 15~ 18K 1 对页岩气成藏机理进行了全面分析,获得了四个方面的认识b¹页岩气成藏机理兼具煤层吸附气和常规圈闭气藏特征,体现出了复杂的多机理递变特点天然气的赋存方式和成藏类型逐渐改变,含气丰度和富集程度逐渐增加b»完整的页岩气成藏与演化可分为3个主要的作用过程,自身构成了从吸附聚集b¼相应的成藏条件和成藏机理变化对页岩气的成藏与分布产生了控制和影响作用,岩性特征变化和裂缝发育状况对页岩气藏中天然气的赋存特征和分布规律具有控制作用为我国的许多盆地存在工业性页岩气藏发育的基本地质条件,其中,吐哈盆地吐鲁番坳陷的水西沟群是页岩气发育的重要区域之一bö5M 页岩气 赋存状态 成藏机理 序列递变:û^·ö8Ê¿ÀäC:ûÚC:ûÏ,[¸³Öÿ¹ö1iZT¥?–"b:ûŸÏ,?–9i¿Cª¥xéûaxéÉCûaCÉxéûa.Àéû¹ªÏ,¹?–3î­ª÷ûª=üÍ"¥²T,VC¹Å˜¥/ð¹0îŸTbVÕilŸª,:ûŸ¥™î^?–÷ûÏv?Ì=¥²T,®¿%"Hq+y,?–Ï[ÕMÿib:û^"-Ü6/ŒHq/,?–ý¥×15ׄ"Sb:ûîŸØ:û¹ªFî,¹ÀäCûÐ0äxéû¥ºªb:ûÏ,?–¥®iÿÕ"b"¥·³ÿ?–[“,v†s([¸ÿ®i¿ûFR섵ÉVë,[³Öÿ®i¿d#„‰­Ïb¸?–¥®iеÉcáMµ1132,ñгÖ?–c­Wï4NhÉ1",ϸÿ?–¥cMÄ¿20% ~ 85%­byNV®iÿ4³,:ûº¿¿ª¸(¸c85%[)„È?>(¸cYÈ­{¹,)­Wb:ûîŸ8Cdȯ¥Ø¾M+Ä,"?–d#£aĽôµÉ[#AÿQËÏ¥·³T¨Ø[“,?–V3QùH¥¸"žv3QHù¥ÖT,ž3QÚ‚Hù¥ÂÐT,8C:û1&îœŸ?–îŸØ½162bB"T¨Vñ¥?3P:ûÏ¥?–®iMÿ'&9îVظžÈ?³Ö­W¥½V,y7:ûîŸØùîµ1&¥ÿ+il,ñÀ|¿ª(ظîŸðØ)aôø(ÖT£†zðØ)„È?(Ř¥ÂÐTØ)¥Ma"„îŸVñó²Bb®¿:ûö8VC¹¸ÿгÖÿ?–­W¥¾MV,8C¹îŸVñÏ¥íMÖ¥µKM,yN:ûŸµÅ˜¿ªaŘôø„ŘÈ?>×Øil,VC+˜µÅ˜¥Vilb»B¨^?–:ûÏ¥3îa¸з³&Ö( ) ,µпªîŸvÁM]¥ØVñb?–¥K3î¨,ö1®3þT¨îÁ3¥?–n5¡@µÉ„ûFRìV븥³1,’¸з³¥&drž„H,¶æ¥?–5[³ÖM·³MÉ›M&Û,HqaRHV¹£·Ÿ¥™î4~¶÷b#15#»24»7ù ? –  ý )NHî™î¥:ûŸsƒK¿:û=†O[¸ÿ¹ö1®iZT,98cµKb£³v3îVñÏ,®¿?–¥3îT¨ö1Ÿ1¿£ÄÐ?¥Ä,ñ| Ú᥵ÉÐî ®á¥?–bMá>¥"dÏ,þÉá¥MlÁ8¥³n„âï¥4Ú,?–¥v3îT¨Pðµ¥¹ªâ爛‚4Ú,V7Á3ðS¥Úsȹªâï,'/ÚâØ172b®¿âï¥6ÚT¨,:û=†‹ï"ÏëaûŸ¤(VëcŸÐëÁ3‰,?–"Ï5^¿™î[³ÖM¹ö¥ýŸ¥vS¶C()b:ûîŸöe¹ÉyÍ#sƒ?pÐôøŸ¥¹ªôRcŸØ‚],:ûŸôRcŸ¥=d Ÿ z¥ÎðÌâb:ûŸÏ,¹ªµcM Ú,Bîv¿2%,V[ržôY÷ûµc¥10~ 20b?–¥3îVŸ÷¿3þT¨a£îƒT¨€¥²†,yNäÉ8QqBî0. 4%[bdM©¹Ï,µtM„ؘÝMæÁþBî^:ûKzHq,ŒYÈÊ¿¤Í¿©¹¥æ†)æϏ),Á:û¥sƒµæuö1"Ï¿©¹Ï)bV?–¥3î˜s,3þ¥Á3³1Ìâ,7£îy¥Á39³1 Ú¥ÑHq,y©¹ÏZ_^:ûµæu×b( 2):û'&;^÷û»^%"ª,9d#Bîl¿10%,7c¥µrd#Bî‚#9d#¥Bö,1iq5Û‰¥?âñ‚]7µ vMÄb:ûٖ¹¹ªôRcŸ+Ä,Œ"-µýN´¥:ûŸCÄö1G#16#¹Éùî ? –  ý „7?Ÿª,n5In 0¥˜Ÿ'­¹A1bVÅS¥µ1'I³,"-gÆ7?3Á¥:û˜'º¿180~ 2600 m( 600~ 8500 ­b]H,:û¥v??â9³1M’¥%"bW,':û?âγ1B祹ª¨,Bî30 m[b( 4)ôîŸØs,:ûð3¥¹ªâï¹ÚsÈ+˜bŒVÅSX?C:û¥d9122?pŸA,:ûŸ;µÚsȹªâï,9µ®sȹªâïbT€ª¹,Á3؂sÐd9²T‚M˜†¥ö1ðy¿/¥ú6æ†î,®¿:û%ª¹Á᥹ªîî,W¥d#¹ª£íEÉ›µr¥@î,yN¹ªâï¥>ŸM ŸHq,Ž5V?Á3zMQ¥s²T,d9'Vü,:ûŸ¥¹ªâï"”Vµ v–MÄb"N­“,£ÜZ_¥/*âT¨g:ûŸ¹ªâï¥?âÁ3×1•Y,ƒÕT¨V[YV]ÆsZEÍ[In,YÈfƒ/,:ûŸi¿@8¥Ú]?ub²‚ЪMôîŸØs,:û¥îŸ#sƒµùîil5۹Ʉ¹ØHq¥‚]7µîMÄb:ûµ7?-ßb¸T¨^?–3î­ª¥»Bñ"Vñ,yN:û=†¥%"bWµÍ£Lû5¤­ª],^?–"¥Kª5Æî,ºµ’:û=†¥%"bWržc­ª,Å¥?–Œ?_“?ÃMb:û=†ôR¥cÿPî¹'÷v¥?–ŸË˜­Bb:û³1È?>¥i,:û=†µýŸ; ºôøŸ; »:ûŸ; ¼¿ªŸ; ½£·Ÿ)#17#»24»7ù ? –  ý -ß,:û(C:û)¥>ùî9XÜï„Z7182,¹+©¹a4:®©¹azZ–©¹a¾©¹asW©¹a~q©¹asW©¹aóÚ!©¹a¼:©¹©(µ:û¹ÉHq,†µc30%[,?CŘ:ûªÏ†¥?–¶"bÏ,Àä:û?⥹u„ªÊ^³1×Äùî¥5ׄ"SbsW©¹,sZIºJ£•¹ª-ßg‚V­bsW©¹sZIºJ£•ÉCûsƒ©¨mÁ†:f£üau~4aâ®áapá'l"„œØZë›îvýT,+VU†ib• I Ó  E, B. to G 2002; 86 ( 11) : 1851 ~18522 B. G 2002; 86( 11) : 1921~ 19383 M C. an G, e of U S 570: 253~ 2784 T . g as of 1995; 60( 2) : 128~ 1355 Küè,¦Ž¿.ÚMÉ¿u¥¿ªVŸ.F²>Ð7?, 1997; 24( 2) : 87~ 906 fÁ+,Á­*,ïü3©.¿Mîï HÜ™Hq/¥M.?–ý,?–_`Z_z%ª#{yÎdÛ,™îG2'©Ÿ¥£V{(b7†¥G'4Ýٖ%ªþŸz,®¿?–¥Û>÷y,™î£ª,yNG22Ÿ^BÕîÿ>Ÿ,/`†Ê^?–<¥‚ÿ,`†Ê?–‚Û>^?–¥ÿÐÛ>™îBÕîÿÜ™¥Áþb[òZë¥sVü,G22Ÿ^'©Ÿ,µV4¥Ü67?N´b¾‚ÓVñϤžÙþ.aÁZpV¥·„úù,NVUӏ¥Ë†!• I Ó  T . T he g g as M A . of a M i 1984; 382 M A. 1979; 34( 2) : 152~ 1813 ïŸÓ,¸ÄŸ©Ir.­:ur'©ùî.Ø:F²ý<ñ, 19964 M . a g M A. of a g as G M 1984; 385 Á­(,”¦©.sW©¹'©Ÿ¹É+˜#sƒS¶Ø‚ç©.n:°ô£©,4:®'©ùî.Ø:F²ý<ñ, 2001: 45~ 53(là°ù 2004- 03- 11 I Û,ƒ)#18#¹Éùî ? –  ý < 2004g as is t he r in t he T he 2 w as fo r K T he by fr es in ly in t he it to be i. e. dr of ex a of ex be A 1 h w as T he o f g as to be in e, M e at M , 973, is in ch on t he of as of A 163318) , T ( 0459 )6503050 E- 008 @ so F N H u u . R . v. 24, 7 , 14, 7/ 25/ 2004. ( 000 - 0976; , a an T it g as r ir in a / g is of it is on n- n o f a w t ex ur T to g a of g M is by n of to h g as W g as ht w as in of T o t tr ap w as of of K Y g G as , W 974, w in 997. K 841000 ), ( 0996)2174428F , T T v. 24, 7 , 15 ) 18, 7/25/ 2004. ( 000- 0976;T he r of is of tr it a I n of r of An of n of i. e. t he ex cr dr or e. n of e e r in of t he in T he g of g as ex in of of g is ag ed in ch o n r T A S ,2004G 100083) , T 3910841297 E- b. F u, i , . R v. 24, 7 , 19 ) 21, 7/ 25/ 2004.( 000- 0976;T he L T 1 f 1) at of of it of a he y on v It is of an il r of T he by of t es of h ow to t he of of ed of T he n of ed in t he he of ic in tw o of e; an a et g as Y F e R , n 956, gr 982. 621709) , ( 0816) 3615264F iel
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