最新刊期
卷 6 ， 期 2 ， 1985
- 摘要：Simulation experiment of coalification is carried out by the authors with Tertiary brown coal samples collected from Huangxian County,Shandong Province and Xindian County,Yunnan Province.In the end of different coalification stages,the average accumulative values of generated gaseous hydrocarbon corres-poding to each ton of residual coal are as follows:20m3 in fat and gas coal stages(Rm=0.95%),105m3 in lean coal stage(Rm=2.0%)and 398m3 in an-thracite stage(Rm=4.0%).As the coalification goes on,the δ13C of methane and the content of CO increase continuously,but CO2 decreases instead.676|465|0更新时间：2023-05-30
- 摘要：Based on the relationship among diagenetic minerals,the diagenetic sequence of the bituminous sandstones of the Silurian Wongxiang Group in Majiang County,Guizhou Province,is compaction-quartz overgrowth-oil emplace-ment-carbonatization-pyritization-hydrothermal silicification.This sequence is essentially conformable to that of the bituminous sandstone gravels in Early Devonian subterranean stream sediments.Since the diagenetic sequence of the gravels had reached the process of pyritization stage,the compaction-pyritiza-tion should have happened prior to the subterranean stream sedimentation,i.e.in late Silurian.The oil emplacement,as a stage of the above processes,was bound to happen in Silurian.The quartz overgrowth indicates that the buried depth of the sandstones before the oil emplacement was about 2,200-2,600m which is much deeper than that of oil generation threshold.This means that clay rock had entered the hydrocarbon generation environment during Silurian period.The lenticular or thin bedded bituminous sandstones of the 3rd memder of the Wongxiang Group are surrounded by clay rocks,there isn't any passage like fault or crack to connect the sandstones with underlying Cambrian sourcerocks,a rational explanation of the oil in these sandstones could only beoriginated from the surrounding clay rocks.Thus the oil source of the 2nd memder of the Wongxiang Group is also in Silurian rocks but not Cambrian rocks because their oil emplacement are in comformity with that of the 3rd member of the Wongxiang Group.776|367|0更新时间：2023-05-30
- 摘要：一种专为 PC—1500型袖珍计算机配置的绘制实测地层柱状剖面图和综合地层柱状剖面图的专用软件“BM”,已由地质矿产部石油地质综合大队潘绍泰和吴尊喜两同志研制成功,并由该队学术委员会通过了技术鉴定。895|442|0更新时间：2023-05-30
- 摘要：In the study of the Nanliujiang river delta,Beibu Gulf,abundant greenish dark mineral that looks like glauconite has been found.X-ray powder diffra-ctograms show strong reflections at 15.3Å and at 1.53/1.54Å.These suggest smectite.There are no reflections in the 10Å region(8.85°2θ)which would be expected for glauconite.The K2O content(1.5%±)is also much lower than would be anticipated(7-9%).The result of formula calculation from electron microprobe analysis is very satisfactory for a trioctahedral,Fe-substituted saponite.Its distribution and formation environment have also been discussed.597|454|0更新时间：2023-05-30
- 摘要：Five first-order ring structures,such as Hunan-Jiangxi,Guangdong,Fujian-Zhejiang,Jiangsu-Zhejiang,Sichuan-Hunan,have been revealed in south China.They might be considered as manifestations of both fossil hot spots and crustal micro-expansion centres appeared due to the effects of mantle convection or heat plumes on lithosphere in the Mesozoic.The mantle convection can cause not only a sea floor spreading,but also extention and splitting of the continental lithosphere.The arcuate structures,such as the southeast Sichuan,Bamianshan,Guangxi and Dabashan arcuate struc-tures found in the southwestern China,might be formed through horizontal compression exerted by the intracontinental micro-expansion centres during theLate Mesozoic time.In the southeastern area of Sichuan Province,the intersec-tion of different strike of folds are clearly resulted from the stress transmitted from different micro-expansion centres.The nappes located both in Mt.Xuefeng of Hunan Province and in the southern part of Jiangsu Province are also considered to be related with adjacent intracontinental expansions.The mantle hot spots indicated the above mentioned five first-order ring structures have seemingly migrated all the time southeast ward from the hinter-land towards the sea area ever since the Mesozoic.Along the trajectories oftheir migration,it seems that the supracrustal sediments might have been subjected to high temperature ranging from 200℃ to 700℃.This would be harmful to the pre-servation of hydrocarbon in Palaeozoic systems.The heat value of the western part of Mr.Xuefeng is in general lower than 200℃,and this is better for the preservation of hydrocarbon in the area,whereas in the eastern part,the conditions are different.605|367|0更新时间：2023-05-30
- 摘要：由全国矿产储量委员会委托石油及天然气专业储委会主持的“1984年度全国石油及天然气新增储量审查会”于1985年3月5日至4月5日在河南南阳油田召开。参加会议的有国家经委、石油工业部、地质矿产部等单位的代表168人。石油及天然气储委主任、石油工业部总地质师阎敦实出席了会议,并在开幕式上作了重要讲话。阎总地质师在讲话中强调指出:受聘作为评论员参加会议的专家、工程师应以科学和实事求是的态度,本着对国家和全国矿产储量委员会负责的精神把这次会议开好。636|432|0更新时间：2023-05-30
- 摘要：Immature oils,especially immature commercial oils,are of key importance both in theory and practice.Guanghua anticline of Jianghan salt-lake basin of Paleogene is one of the oil-bearing structures which have certain amount of petroleum.According to data of structural feature and lithological complex,Guang-33 oil produced at the depth of 1829.3-1929.6m of the anticline is thought to be indigenous,of which the vitrinite reflectivity is 0.45-0.5%.Quantitative study of biomarkers shows that the oil has a high content of phytane,steranes and triterpanes as well as nickel porphyrin which are of special significance.Compared this very high content of biomarkers with that of immature salt-lake source rocks,it can be seen clearly that the maturity ofthe oil is quite low indeed,and the molecular variations have not yet been polluted too much.Thus an inference can be drawn from molecular variations,especially from DPEP/(DPEP+ETIO)ratio,that the maturity of the oil isestimated to be equal to R?0.43%.Based on the data of structural feature,maturity of reservoir rocks and biomarker quantitative and qualitative study,it can be concluded that theGuang-33 oil is a typical immature commercial oil formed in salt-lake environ-ment.667|382|0更新时间：2023-05-30
- 摘要：The formation and evolution of Huabei Basin is discussed in terms of sedimentary formation and tectonic cycle.Generally speaking,it has experienced two stages of development,i.e.,the stable platform of the Middle-Late Proterozoic to Palaeozoic,and the platform activization to block-faulted basin during Meso-Cenozoic Period.The stage of platform has gone through three evolution periods such as themarginal downwarp of platform in Middle-Late Proterozoic,stable platform basin in Early Palaeozoic and the alternated marine and nonmarine basin of Late Palaeozoic.The stage of block-faulted basin can be divided into sixevolution periods:(1)the Trassic uplifted platform resulted by the withdrawalof lacustrine basins,(2)the Early to Middle Jurassic fault-down warped basin,(3)the Late Jurassic-Early Cretaceous fault-fold basin,(4)the Late Cretaceous-Paleocene fault-uplift,(5)the Eocene-Oligocene fault-depressed basin and(6)the Tertiary-Quartery downwarped basin,The basins formed in these evolutionstages bare their own specialities in pattern,framework,sedimentation and formation mechanim.It is stressed by the author that 7 types of major oil generation fault-downwarp basins can be divided in the evolution process in Eocene-Oligocenewithin Huabei Basin.It is specific in southern,central and northern partsrespectively.They have different tectonic cycles,delay of formation and multiple assemblages of oil generation.Finally,the author suggests that the main task of oil exploration in Huabei Basin in recent years is to extend the exploration extent in Tertiary rocks,to start oil prospecting in Upper Palaeozoic-Mesozoic systems and to prepare for the exploration in Lower Palaeozoic.737|374|0更新时间：2023-05-30
- 摘要：鄂尔多斯盆地上三叠系延长统,作为油气勘探的对象,已有近八十年的历史,但长期以来人们始终未能摆脱“井井有油,井井不流”的思想束缚。七十年代末期,随着现代沉积学理论的引进,地质工作者重新认识和评价了延长统。621|490|0更新时间：2023-05-30
- 摘要：Saturated fractions from 17 oil samples and saturated and aromatic fractions of extracts from 53 samples have been analyzed using GC-MS techniques.It is concluded that:1.Crude oil recently found in Linyi Basin,Shandong Province,are deri-ved from source rocks of the 3rd member of the Shahejie Formation in the southern depression;2.The configuration of organic matters were changed greatly within a depthof 2,500m,accompanied by dehydrogenation and deakyl side chain reactions. The depth can be considered as the threshold of oil generation within this ba-sin,where the geotherm is approximately of 96.5℃;3.The ratio(17β(H)/Ts)of the stereoisomer of C27-trinorhopane is a quite sensitive parameter for the determination of the degree of maturity.The author has worked out a “MDRH” diagram,and some geological para-meters such as vitrinite reflectance and total hydrocarbon/organic carbon etc.are plotted on this diagram by coordinate system.With this diagram,the phaseof hydrocarbon expulsion and appropriate epth of oil generation can beidentified on the basis of maturity parameters.655|317|0更新时间：2023-05-30
- 摘要：著名石油地球化学家、中国石油学会生油及有机地球化学专业委员会委员、地质矿产部石油地质中心实验室学术委员会副主任、高级工程师陈丕济同志,因患食道癌医治无效,于1985年1月15日在无锡逝世,终年六十二岁。陈丕济同志1945年毕业于上海圣约翰大学化学系,长期从事水化学分析与研究工作。716|443|0更新时间：2023-05-30
- 摘要：In conformity with their features,overthrust belts in northwest China can be divided into two basic types such as Karamay decollement-thrust type and Kuqa piedmont decollement-fold type.As for their origin,the former is a nappe structure formed mainly by gravity sliding,its root is a normal fault or a fault trough composed of high dip thrusts,the main body is relatively simple and the forefront is imbricated;the later is formed maily by lateral compression,the root of it is commonly not clear and usually occurs as a com-pressed belt,the main body is a complicated fold belt resulted from slide andoverthrust and is characterised by wide variation in formation thickness anddecollement.Due to the different iae of the above mentioned overthrust belts,a properpetroleum trap can only exist in a specialized belt.These overthrust belts thuscan be divided into ten kinds.It is considered that the overthrust belts have resulted in a new,special kind of source rock-reservoir-cap assemblage.Because of overthrusting,the pe-troleum exploration of Karamay oilfield in recent years has yielded gratifyingachievements.Besides,a large amount of petroleum will be exploited in someother thrust belts.660|353|0更新时间：2023-05-30
- 摘要：On the basis of observation by means of scanning electron microscope,the occurrence of clay minerals in pore spaces of sandstone can be divided into threetypes,i.e.1)separated spot type;2)film-like type and 3)bridge-liketype.Sandstones that contains the first type have in the main intergranular porespace.The peak distribution of permeability is consistent with that of theporosity.They show a larger pore radius(6-12μ)and a smaller texture coeffi-cient(Gg<4),good pore connection,high permeability and natural productioncapacity.Sandstones with the second occurrence of clay minerals is generally inconformity with that of the one said above in pore texture feature,porosityand the accordant peak distribution of permeability and porosity,but they havea smaller pore radius(3-9μ),bigger texture coefficient,and show a lower per-meability in samples. Sandstones with the third type occurrence of clay minerals are different tothe other two types.Since clay mineral are formed in a bridge-like way with-in the pore spaces,the primary pore space have been disintegrated into micro-pores among clay minerals.Therefore,the porosity characteristics of these sand-stones are similar to that of claystones,most samples show a small averagepore radius(1μ),a bigger pore texture coefficient(Gg>8).Because mostpores in sandstones turned to be bound pores,their permeability for gas is lessthan 1 md which are devoted merely by a few pore space with radius biggerthan 1μ.The vertical evolution of the above mentioned three types of sandstones canbe seen clearly that,with the increase of the depth,the sandstones with predo-minantly separated spot of kaolinite have gradually changed into sandstoneswith intergranular film-like clay minerals,and finally into sandstones withbridge-like clay minerals represented mainly by flake-like and fibrous illites.Atthe same time,the pore structure and the physical properties of oil reservoirhave been changed accordingly.558|417|0更新时间：2023-05-30
- 摘要：自1980年以来,地质矿产部一批著名专家学者在同济大学海洋地质系兼职并招收博士与硕士研究生,计有朱夏教授,业治铮教授、刘光鼎教授、陈焕疆副教授等。624|432|0更新时间：2023-05-30
- 摘要：Paralic lacustrine basins in eastern China generally can be divided into two kinds,i.e.,depression basins and fault-block basins.Most of the mare fault-blockbasins.The distinct feature of the former is that giant sedimental systems of deltasare well developed within the basins,and sedimental facies zones distribute circularly around the centre of a basin.The fault-block basins can also be subdivided further into circular and elongated ones.Generally speaking,sub-aqueous fans are formed near the steep side of a half graben,and deltas are usually developed along the terminal of a fault-block basin's long axes;deep water fans and turbidity sandbodies are developed in places where the water is deep.It is often the case that big-or medium-sized deltas with low content of sands are generally deposited on the gentle slope of a broad depression where the slopearea is larger and the dip is lower;whereas diluvial fans are usually developedon that of a narrow depression where the slope area is smaller and the dip issteeper;turbidities formed by subaqueous landslide or small deltas with high content of sands occur on gentle slope only on exceptional cases.609|342|0更新时间：2023-05-30
- 摘要：张厚福同志的答辩文章对一系列基本概念的阐述给人一种似乎含混而且前后不一的感觉。547|470|0更新时间：2023-05-30
- 摘要：The model of continental collision dealt with in this paper includs mainly three parts:1)the overriding slices of crust(the main nappe);2)the decol-lement wedge(subordinate neppe);and 3)the subducted crust.These three parts comprise a complete series of nappe structures.Along a large collision zone,one can usually find several nappe structures passing to each other with transi-tional shear belts in between.An arcuate convexed front is quite characteristic of each nappe.According to the above model,the author has pointed out three promissing areas for oil prospecting:1)the fault-folded uplift zone related to the advan-ced front of the subductcd crust(FL);2)the fault-folded uplift zone of thedecollement wedge front(HL)and 3)continental cap that was undisturbed dur-ing continental collision(G).The first zone is most promising in oil pros-pecting due to its high thermal evolution,favourable position and rich oilsource.The second zone is also prosperous,especially in the area HL1,where the advanced front of the subducted crust is overlain by a nappe due to collision,and oil traps might be cut by the decoupling plane,thus leading to the mig-ration and accumulation of oil and gas in the fault-folded uplift zone of the decollement front. Nappe structures,such as Hala'alate and Chengjisihan nappe structures,and the related Baikouquan and Xiazijie transitional shear belts formed during con-tinental crust collision on northeastern margin of Junggar Basin,are studied.It is suggested that the most promising region in recent oil prospecting is theBaikouquan subarea of Baikouquan fault-folded uplift zone.608|370|0更新时间：2023-05-30
- 摘要：根据中澳两国政府间的有关协定,由地质矿产部杨朴、刘正增、冯福闿、张义纲、谢秋元和中国科学院罗斌杰、沈平组成的赴澳大利亚天然气地质考察团,于1984年10月对澳大利亚东部含煤盆地的“煤成气”形成的地质条件以及科研和勘探的经验进行了考察。其间,访问了澳大利亚矿产资源、地质和地球物理局和两个州地质调查所,五个石油公司和六个实验室,听了他们的介绍并分别座谈讨论了煤成气方面的有关问题。647|339|0更新时间：2023-05-30
- 摘要：Yunnan-Guizhou-Guangxi Region,which is covered by 580,000 km2 sedi-mentary rocks,can be divided into three fields in petroleum prospecting.The first being covered continuosly by Palaeozoic carbonate rocks was avast sea basin during Palaeozoic-Early Mesozoic and then became a huge oil-and gas-bearing basin.But it was disintergrated after Indo-China tectonic move-ment.Therefore,the possible oil and gas pools there might be distroied con-siderably.Different source rocks are preserved in structural basins in localparts of the region.High hopes of petroleum prospecting were at first placed onthis field and a lot of exploration work was done.Due to the complexity of geo-logical structures and the difficulties in exploration,the effect is confirmedto be quite disappointing.The second field is the region covered by Mesozoic continental red beds su-perposed on formations of the previous carbonate rocks after its uplift.Nowsome gas fields have been discovered in the region.The exploration effect and petroleum prospects in this field are much better than that in the first field.The third one is small Cenozoic basins superposed on Palaeozoic-Mesozoicstrata separately.Though they are small both in area and scale of oil and gas pools,yet these basins can be explored easily.So the exploration effectis the best among all three.The author suggest that the first field should not be considered at presentas the main target in petroleum prospecting due to the difficulties in explo-ration;the second field should be taken as the main target in recent years ac-cording to its favourable conditions in oil generation and present prospectingmethods;the third field is important in practice.Certain reserves have beenfound in Baise Basin and we are bound to find more small oilfields like Baise type with less investment.580|396|0更新时间：2023-05-30
- 摘要：由中国海洋学会海洋地质学会和中国地质学会海洋地质专业委员会联合召开的第二次海洋地质学术年会,于3月11至15日在上海同济大学举行,有关单位代表140人出席。会议收到论文和论文摘要175篇,大会和小组会宣读了80篇,其中近三分之一的论文与海洋石油地质调查密切有关。676|426|0更新时间：2023-05-30
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