肖军;王华;袁立川;姜华;陈少平;

• 1:中国地质大学资源学院
• 2:中国地质大学资源学院
• 3:中国石油天然气股份有限公司东方地球物理公司研究院乌鲁木齐分院
• 4:中国地质大学资源学院

摘要(Abstract)：

通常情况下,砂岩储层的孔隙度和渗透率随埋深的增大而减小,但越来越多的地质实践表明深埋藏(>3500 m)的砂岩储层在一些特定情况下可以保持异常高的孔隙度和渗透率。有多种成因机制可以使其孔隙在深埋藏条件下得以保存,主要包括:①早期烃类的充注;②颗粒包层和(或)颗粒环边的存在;③流体超压的存在;④次生孔隙的发育。在综合国内外大量相关文献的基础上,对这些成因机制进行了深入的探讨,并给出了相应的实例。这些研究将为油田的储层评价、储量预测等勘探开发工作提供进一步的决策依据。

关键词(KeyWords)： 深埋藏;砂岩储层;异常孔隙;保存机制

Abstract:

Keywords:

基金项目(Foundation): 国家“十五”重大科技攻关项目(2004BA616A);; 中国地质大学(武汉)2005年度优秀青年教师资助计划项目(CUGQNL0511)

作者(Author): 肖军;王华;袁立川;姜华;陈少平;

Email:

DOI:

参考文献(References)：

• [1]Kugler R L,McHugh A.Regional diagenetic variation in Nor-phlet Sandstone:Implications for reservoir quality and the ori-gin of porosity[J].Transaction of the Gulf Coast Associationof Geological Societies,1990,40:411-423.
• [2]Bjrlykke K,Nedkvitne T,Ramm M,et al.Diagenetic proces-ses in the Brent Group(Middle Jurassic)reservoirs of theNorth Sea:An overview[M]∥Morton A C,Haszeldine A S,Giles M R,et al.Geology of the Brent group(Special Publica-tion Vol.63).London:Geological Society,1992:265-289.
• [3]Ehrenberg S N.Relationship between diagenesis and reservoirquality in sandstone of the Garn Formation,Haltenbanken,mid-Norwegian continental shelf[J].AAPG Bulletin,1990,74:1 538-1 558.
• [4]Ehrenberg S N,Boassen T.Factors controlling permeabilityvariation in sandstones of the Garn Formation in Trestakkfield,Norwegian continental shelf[J].Journal of Sedimenta-ry Petrology,1993,63:929-944.
• [5]Pittman E D,Larese R E,Heald M T.Clay coats:Occur-rence and relevance to preservation of porosity in sandstones[M]∥Houseknecht D W,Pittman E D.Origin,diagensis,and petrophysics of clay minerals in sandstones(Special Publi-cation Vol.47).[S.l.]:Society of Economic Paleontologistsand Mineralogist,1992:241-255.
• [6]龚再升,李思田,谢泰俊,等.南海北部大陆边缘盆地分析与油气聚集[M].北京:科学出版社,1997:222-256.
• [7]李军,张林,曹中,等.大港探区深层异常孔隙成因机理[J].勘探家,1999,4(4):20-23.
• [8]杨香华,叶加仁,孔永传,等.岐南断阶带深层沙二段砂岩成岩演化特征与孔隙保存[J].中国海上油气(地质),1998,12(4):242-249.
• [9]李会军,吴泰然,吴波,等.中国优质碎屑岩深层储层控制因素综述[J].地质科技情报,2004,23(4):76-82.
• [10]Nedkvitne T,Karlsen D A,Bjrlykke K,et al.Relationshipbetween reservoir diagenetic evolution and petroleum emplace-ment in the Ula field,North Sea[J].Marine and PetroleumGeology,1993,10:255-270.
• [11]Thiéry R,Pironon J,Walgenwitz F,et al.PIT(petroleum in-clusion thermodynamic):A new modeling tool for the charac-terization of hydrocarbon fluid inclusions from volumetric andmicrothermometric measurements[J].Journal of GeochimicalExploration,2000,69-70:701-704.
• [12]蔡进功,张枝焕,朱筱敏,等.东营凹陷烃类充注与储集层化学成岩作用[J].石油勘探与开发,2003,30(3):79-83.
• [13]翟永红,郭建华,刘生国.塔中石炭系碎屑岩深埋藏优质储层成因探讨[J].矿物岩石,1996,6(2):55-61.
• [14]Ehrenberg S N.Preservation of anomalously high porosity indeeply buried sandstones by grain-coating chlorite:Examplesfrom the Norwegian continental shelf[J].AAPG Bulletin,1993,77:1 260-1 286.
• [15]Ryan P C,jr Reynolds R C.The origin and diagenesis of graincoating sepentine-chlorites in Tuscaloosa Formation sand-stone,U.S.Gulf Coast[J].American Mineralogist,1996,81:213-225.
• [16]McBride S M,Frank P C,Larese A E.Chlorite grain coatsand preservation of primary porosity in deeply buried SpringerFormation and Lower Morrowan sandstone,southeasternAnadako basin,Oklahoma[J].APPG Bulletin,1987,71:994.
• [17]Wilson M D.Inherited grain-rimming clays in sandstones fromeolian and shelf environments:their origin and control on res-ervoir properties[M]∥Houseknecht D W,Pittman E D.Ori-gin,diagensis,and petrophysics of clay minerals in sand-stones(Special Publication Vol.47).[S.l.]:Society of Eco-nomic Paleontologists and Mineralogist,1992:209-225.
• [18]杜栩,郑洪印,焦秀琼.异常压力与油气分布[J].地学前缘,1995,2(2-3):137-147.
• [19]张立新,李军,刘淑芝,等.试析歧北凹陷异常压力在深层油气藏成藏过程中的控制作用[J].石油勘探与开发,27(5):19-21.
• [20]Osborne M J,Swarbrick R E.Diagenesis in North Sea HPHTclastic reservoirs:Consequences for porosity and overpressureprediction[J].Marine and Petroleum Geology,1999,16:337-353.
• [21]Bethke C M.Inverse hydrologic analysis of the distribution andorigin of Gulf Coast-type geopressured zones[J].Journal ofGeophysical Research,1986,91:6 535-6 545.
• [22]苗建宇,祝总祺,刘文荣,等.济阳坳陷下第三系温度、压力与深部储层次生孔隙的关系[J].石油学报,2000,21(3):36-40.
• [23]Wilkinson M,Darby D,Haszedine R S,et al.Secondary po-rosity generation during deep burial associated with overpres-sure leak-off:Fulmar Formation,United Kingdom CentralGraben[J].AAPG Bulletin,1997,81:803-813.
• [24]史基安,王琪.影响碎屑岩天然气储层物性的主要控制因素[J].沉积学报,1995,13(2):128-139.
• [25]de Ros L F,Morad S,Palm P S G.The role of detrital compo-sition and climate on the diagenetic evolution of continentalmolasses:Evidence from the Cambro-Ordovician Guaritas Se-quence,southern Brazil[J].Sedimentary Geology,1994,92:197-228.
• [26]Souza R S,de Ros L F,Morad S.Dolomite diagenesis and po-rosity preservation in lithic reservoirs:Carm-polis member,Sergipe-Alagoas basin,northeastern Brazil[J].AAPG Bulle-tin,1995,79:725-748.
• [27]Johnson R H.The cementation process in sandstones[J].AAPG Bulletin,1920,4:33-35.
• [28]Worden R H,Oxtoby N H,Smalley P C.Can oil emplace-ment prevent quartz cementation in sandstones[J].PetroleumGeoscience,1998,4:129-137.
• [29]Kantorowicz J D.The influence of variations in illite morphol-ogy on the permeability of Middle Jurassic Brent group sand-stones,Cormorant field,UK North Sea[J].Marine and Pe-troleum Geology,1990,7:66-74.
• [30]Seneeflock R.Permeability traps in the Gatchell sand of Cali-fornia[J].AAPG Bulletin,1978,58:848-853.
• [31]Neilson J E,Oxtoby N H,Simmons M D,et al.The relation-ship between petroleum emplacement and carbonate reservoirquality:Examples from Abu Dhabi and the Amu Darya basin[J].Marine and Petroleum Geology,1998,15:57-72.
• [32]张枝焕,常象春,曾溅辉.水-岩相互作用研究及其在石油地质中的应用[J].地质科技情报,1998,17(3):69-74.
• [33]王琪,史基安,肖立新,等.石油侵位对碎屑储集岩成岩序列的影响及其与孔隙演化的关系———以塔西南坳陷石炭系石英砂岩为例[J].沉积学报,1998,16(3):97-101.
• [34]Yurkova R M.Comparison of post-sedimentary alterations ofoil-,gas-,and water-bearing rocks[J].Sedimentology,1970,15:53-68.
• [35]O Brien J J,Lerche I.The preservation of porosity throughhydrocarbon emtrapment during burial[J].Society of Petrole-um Engineers Formation Evaluation,1986,1(3):295-299.
• [36]蔡春芳,顾家裕,蔡洪美.塔中地区志留系烃类侵位对成岩作用的影响[J].沉积学报,2001,19(1):60-65.
• [37]Wilson H H.“Frozen-in”hydrocarbon accumulations or diage-netic traps-exploration targets[J].AAPG Bulletin,1977,61:483-491.
• [38]Lee M K,Bethke C M.Groundwater flow,late cementation,and petroleum accumulation in the Permian Lyons Sandstone,Denver basin[J].AAPG Bulletin,1994,78:217-237.
• [39]Midtb R E A,Rykkje J M,Ramm M.Deep burial digenesisand reservoir quality along the eastern flank of the Viking Gra-ben:Evidence for illitization and quartz cementation after hy-drocarbon emplacement[J].Clay Minerals,2000,35:231-241.
• [40]Bloch S,Lander R H,Bonnell L.Anomalously high porosityand permeability in deeply buried sandstone reservoirs:Originand predictability[J].AAPG Bulletin,2002,86:301-328.
• [41]Ramm M,Forsberg A W,Jahrens J S.Porosity-depth trendsin deeply buried Upper Jurassic reservoirs in the NorwegianCentral Graben:an example of porosity preservation beneathnormal economic basement by grain-coating microquartz[M]∥Kupecz J A,Gluyas J,Bloch S.Reservoir quality predic-tion in sandstones and carbonates.Vol.69.[S.l.]:AAPGMemoir,1998:177-199.
• [42]胡海燕.油气充注对成岩作用的影响[J].海相油气地质,2004,9(1-2):85-89.
• [43]周东升,刘光祥,叶军,等.深部砂岩异常孔隙的保存机制研究[J].石油实验地质,2004,26(1):40-46.
• [44]Heald M T.Stylolites in sandstones[J].Journal of Geology,1955,63:101-114.
• [45]Lander R H,Walderhaug O.Reservoir quality predictionthrough simulation of sandstone compaction and quartz cemen-tation[J].AAPG Bulletin,1999,83:433-449.
• [46]Marchand A M E,Smalley P C,Haseldine R S,et al.Note onthe importance of hydrocarbon fill for reservoir quality predic-tion in sandstones[J].AAPG Bulletin,2002,86:1 561-1 571.
• [47]Wilson M D,Pittman E D.Aughigenic clays in sandstones:recognition and influence on reservoir properties and paleoen-vironmental analysis[J].Journal of Sedimentary Petrology,1977,47:3-31.
• [48]Moraes M A S,de Ros L F.Infiltrated clays in fluvial Jurassicsandstones of Reconcavo Basin,northeastern Barzil[J].Jour-nal of Sedimentary Petrology,1990,60:809-819.
• [49]Walderhaug O.Kinetic modeling of quartz cementation and po-rosity loss in deeply buried sandstone reservoirs[J].AAPGBulletin,1996,80:731-745.
• [50]Bonnell L M,Lander R H,Sundhaug C.Grain coatings andreservoir quality preservation:role of coating completeness,grain size and thermal history(abs.)[C]∥AAPG Annual Con-vention,Program with Abstracts.Vol.7.[S.l.]:[s.n.],1998:A81.
• [51]Aagaard P,Jahren J S,Harstad A O.Formation of grain-coating chlorite in sandstones:Laboratory synthesized vs.nat-ural occurrences[J].Clay Minerals,2000,35:261-269.
• [52]Houseknecht D W,Ross Jr L M.Clay mineral in Atokandeep-water sandstone facies,Arkoma basin:origins and influ-ence on diagenesis and reservoir quality[M]∥Houseknecht DW,Pittman E D.Origin,diagenesis,and petrophysics ofclay minerals in sandstones(Special Publication Vol.47).[S.l.]:Society of Economic Paleontologists and Mineralogist,1992:227-240.
• [53]Walderhaug O.Temperatures of quartz cementation in Jurassicsandstones from the Norwegian continental shelf evidence fromfluid inclusion[J].Journal of Sedimentary Research,1994,A64:311-323.
• [54]Storvoll V,Bjrlykke K,Karlsen D,et al.Porosity preserva-tion in reservoir sandstones due to grain-coating illite:A studyof the Jurassic Garn Formation from the Kristin and Lavransfields,offshore Mid-Norway[J].Marine and Petroleum Geol-ogy,2002,19:767-781.
• [55]Aase N E,Bjrkum P A,Nadeau P H.The effect of grain-coating microquartz on preservation of reservoir porosity[J].AAPG Bulletin,1996,80:1 654-1 673.
• [56]Ramm M,Bjrlykke K.Porosity/depth trends in reservoirsandstones:Assessing the quantitativeeffects of varying porepressure,temperature history and mineralogy,Norwegianshelf area[J].Clay Minerals,1994,29:475-490.
• [57]Osborne M J,Swarbrick R E.Mechanisms for generating o-verpressure in sedimentary basin:A reevaluation[J].AAPGBulletin,1997,81:1 023-1 041.
• [58]Harrison W J,Summa L L.Paleohydrology of the Gulf ofMexico Basin[J].American Journal of Science,1991,135:69-72.
• [59]Mann D M,Mackenzie A S.Prediction of pore fluid pressurein sedimentary basin[J].Marine and Petroleum Geology,1990,7:55-65.
• [60]游俊,郑浚茂,周建生.深部地层异常压力与异常孔隙度及油气藏的关系[J].中国海上油气(地质),1997,11(4):249-253.
• [61]Luo M,Baker M R,LeMone D V.Distribution and genera-tion of the overpressure system,eastern Delaware basin,western Texas and southern New Mexico[J].AAPG Bulle-tin,1994,78:1 386-1 405.
• [62]陈忠,罗蛰潭,沈明道,等.论砂岩储层次生孔隙的形成机制[J].成都理工学院学报,1996,23(增刊):35-41.