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国家自然科学基金(41072102)

作品数:20 被引量:203H指数:9
相关作者:吕修祥于红枫杨海军兰晓东王祥更多>>
相关机构:中国石油大学(北京)中国石油大学(北京)中国石油天然气集团公司更多>>
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20 条 记 录,以下是 1-10
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塔里木盆地麦盖提斜坡东段油气勘探前景被引量:26
2010年
塔里木盆地麦盖提斜坡东段具有油气成藏的有利条件,本区发育的寒武—奥陶系的烃源岩和一套高丰度的石炭系油源岩,为该区形成大油气田提供了物质基础。发育以奥陶系潜山风化壳为储层、志留系泥岩以及石炭系下泥岩段为盖层和以石炭系砂砾岩段、生屑灰岩段作储层、下泥岩段及中泥岩段为盖层的多套储盖组合。储层分布稳定,储集条件良好,盖层保存完好,良好的储盖条件为油气富集创造了条件。麦盖提斜坡经历了寒武—奥陶纪北倾斜坡和自石炭纪以来南倾斜坡的发展过程,处在构造活动的枢纽部位,既有利于油气聚集更有利于油气的后期保存,是有利的油气聚集成藏区。麦盖提斜坡东段具有良好的油气远景,奥陶系碳酸盐岩岩溶圈闭、石炭系构造及地层岩性圈闭应为进一步勘探的主要对象。
吕修祥杨海军白忠凯雷刚林刘丹丹马玉杰
关键词:烃源岩储盖组合麦盖提斜坡塔里木盆地
塔里木盆地塔中地区奥陶系碳酸盐岩储层主控因素被引量:24
2011年
利用岩心物性及岩心照片对比分析研究区两类锗层的储集性能和储集空间特征,并通过储层纵横向分布及油气水赋存状态研究寻找优质储集体发育的主控因素:研究发现,受沉积相带和断裂活动显著控制的上奥陶统礁滩复合体储层呈现明显的层位性和分段性;而以不整合岩溶和断裂活动为主控因素的下奥陶纥岩溶风化壳储昙集中发育于不整合面下40~200m深度范围内,分层性明显。综合对比两类优质储层发现,两类储层发育的关键作用不同,但储层总体呈现“横向连片,纵向叠置”的分布特征,锫集性能相当:连一步分析认为,碳酸盐岩优质储层是在沉积一改造双控作用下发育的。塔中西部平台区和塔中I号带内带的岩溶坎高地与岩溶上斜坡,具有优质储层发育的有利条件,是油气聚集的有利区带,勘探可继续向西、向内拓展.
焦伟伟吕修祥周园园韩剑发熊方明赵越
关键词:碳酸盐岩储层奥陶系塔里木盆地
塔中北斜坡奥陶系鹰山组地层水特征与油气保存条件被引量:6
2012年
通过对塔中北斜坡鹰山组地层水的矿化度、主要离子浓度和化学指数的统计分析,讨论了该区地层水的成因及与油气保存条件。研究结果表明,塔中北斜坡鹰山组地层水为高矿化度CaCl2型水,总矿化度约为80~200g/L,阴、阳离子分别以Cl-和K++Na+为主。剖面上总矿化度随深度增加逐渐变小,平面上地层水矿化度自塔中I号断裂向南增高。高矿化度、富K++Na+和Cl-离子的特征表明地层水的形成与浓缩变质作用或碳酸盐岩矿物溶解有关。钠氯系数值和脱硫系数与矿化度均成负相关关系,高矿化度、低钠氯系数、低脱硫系数,说明该区整体油气保存条件较好。区域上,中古5井-中古7井区地层水封闭性优于其他井区,更有利于油气的保存。
王祥韩剑发于红枫刘丹丹张金辉吕修祥华晓莉
关键词:矿化度地层水油气保存塔中北斜坡
Characteristics of boundary fault systems and its hydrocarbon controlling on hydrocarbon accumulation in Awati Sag,Tarim Basin,China被引量:3
2019年
Based on the interpretation of two-dimensional seismic data, this paper analyzes the characteristics of three boundary fault systems including the Shajingzi fault, the Aqia fault and the Tumuxiuke fault around the Awati sag of the Tarim Basin, and studies its controlling on hydrocarbon accumulation. Neotectonic movement is ubiquitous in oil and gas bearing basins in China, such as Neogene intense activities of large boundary thrusting faults of the Awati sag: Shajingzi fault, Aqia fault and Tumuxiuke fault. Based on a large number of seismic data, it is showed that they have section wise characteristics in the direction of fault strike, and active periods and associated structures formed of different sections are different. Usually, large anticlinal structures are formed in the upper wall, and faulted anticline controlled by companion faults are formed in the bottom wall. Large faults cut the strata from Cambrian up to Neogene. For the anticline in the upper wall, fault activities caused by neotectonic movement played a destructive role in hydrocarbon accumulation, thus the preservation condition is critical for reservoir formation. In this sense, attention should be paid to formations in the upper walls of Aqia fault and Tumuxiuke fault under the Cambrian salt bed, whose plastic deformation could help to heal faults. Companion faults in the bottom wall cut down to the Cambrian and up to the Triassic serving as the pathway for hydrocarbon migration, and associated structures in the bottom wall are noteworthy exploration targets.
Zhong-kai BaiXiu-xiang LuZong-xu SongHai-jun QiuXin-gui ZhouYong-jin GaoYing-min QiLi-chun ZhuXiao-tao FuYuan-yuan Zhou
关键词:NEOTECTONICBOUNDARYSAGTARIM
A Model of Hydrothermal Dolomite Reservoir Facies in Precambrian Dolomite, Central Sichuan Basin, SW China and its Geochemical Characteristics被引量:5
2019年
Hydrothermal mineral assemblages and related hydrothermally enhanced fracturing are common in the Precambrian Dengying Formation of Central Sichuan Basin. Petrographic and geochemical analyses of core samples show that the hydrothermal dolomite reservoirs of Dengying Formation consist of four main types of pores in the reservoir facies. These include: 1) hydrothermal dissolution vug(or pore), 2) intercrystalline pore, 3) residual inter-breccia vug(or pore), and 4) enlarged dissolved-fracture. There are three different fabrics dolomite in hydrothermal dolomite reservoirs, namely, saddle dolomite, fine-medium dolomite and micritic dolomite. Micritic dolomite is the original lithology of host rock. Saddle dolomite with curved or irregular crystal faces was directly crystallized from hydrothermal fluids(average temperature 192°C). Fine-medium dolomites are the products of recrystallization of micritic dolomite, resulting in abnormal geochemical characteristics, such as slight depletion of δ^(18)O, significant enrichment of Mn-Fe and ^(87)Sr/^(86)Sr, and positive Eu anomaly. A model for the distribution of various hydrothermal dolomite reservoir facies is proposed here, which incorporates three fundamental geological controls: 1) extensional tectonics and tectono-hydrothermal events(i.e., the Xingkai Taphrogenesis of Late Sinian-Early Cambrian, and Emei Taphrogenesis of Late Permian), 2) hydrothermal fluid storage in clastic rocks with large thickness(e.g., Nanhua System of Chengjiang Formation and part of Doushantuo Formation), and 3) confining bed for hydrothermal fluids(such as, the shale in Qiongzhusi Formation). The supply of hydrothermal fluid is critical. Large basement-rooted faults and associated grid-like fracture system may function as the channels for upward migration of hydrothermal fluid flow. The intersection of the above-mentioned faults(including the conversion fault), especially transtensional sags above negative flower structures on wrench faults can serve as a key target for future hydrocarbon ex
GU YifanZHOU LuJIANG YuqiangJIANG ChanLUO MingshengZHU Xun
关键词:HYDROTHERMALDOLOMITEFACIESPRECAMBRIAN
塔中北斜坡走滑断裂对碳酸盐岩油气差异富集的影响被引量:35
2013年
塔中北斜坡发育NE向走滑断裂体系。走滑断裂活动导致其周围一定范围内裂缝交错发育,扩大了储集层的储集空间,同时沟通深部热流体,溶蚀围岩形成大量溶蚀孔洞,促进了岩溶风化壳储集层发育,改善了储集层储集性能,增大了岩溶储层发育的深度。源-储配置关系、断裂活动期次和原油微量元素分布研究表明,走滑断裂是塔中地区重要的油气运移通道,与鹰山组不整合面组合形成了下奥陶统油气输导网络格架,对油气的再分配起到了重要作用。以大型主干走滑断裂和逆冲断裂的延伸方向作为边界,将塔中北斜坡划分为20个构造区块,每个局部构造区块内油气水正常分异,油气富集程度与距走滑断裂的远近有一定关系,离断裂近,储层物性好,油气富集程度高;不同区块之间的油气富集特征存在明显差异。
周新源吕修祥杨海军王祥于红枫蔡俊兰晓东
关键词:走滑断裂储层改造油气运移碳酸盐岩塔中北斜坡
渤海海域北部JX1-1反转构造与油气成藏关系被引量:7
2013年
以高分辨率三维地震资料为基础,结合相干技术等先进地震资料处理和解释技术,对研究区反转构造变形特征进行了探讨和研究,并分析了反转带与油气聚集的关系。JX1-1地区断裂发育,主要为NE走向,平面上呈雁列式排列。在古近系沙河街组沉积末期,JX1-1地区在郯庐断裂走滑应力作用下发生了反转,形成了良好的背斜构造背景,在古近系东营组沉积时期,持续隆升,到了古近纪末期和新近纪初期,基本定型。JX1-1反转带的发育对油气聚集成藏的影响主要表现为:有利于构造圈闭的形成;对沉积体系的展布形成了一定的影响;形成的断裂有助于油气的运移;对储层的物性起到积极的改善作用;反转强度过大对新近系浅层油气聚集不利;渤海海域郯庐断裂带过渡、拐弯部位的反转构造带古近系是有利的油气勘探目标区带。
强昆生吕修祥周心怀徐长贵涂丹凤兰晓东
关键词:渤海海域辽中凹陷油气成藏
渤海辽东湾坳陷JX1-1反转构造与油气成藏史被引量:17
2012年
以高分辨率三维地震资料为基础,利用平衡剖面模拟、Easy%Ro模拟和盆地模拟等方法,对研究区反转构造变形特征和烃源岩成熟度演化进行了定量研究和探讨,并分析了反转活动与油气成藏史的关系;研究结果表明,JX1-1反转构造自新生代以来经历了一次大规模的扭压反转作用,发生在渐新世东营组一、二段(距今30.3 Ma~23.3 Ma)沉积时期,造成盆地NW-SE向缩短2.74km,东营组约有780m的地层剥蚀量及2.73%的盆地缩短率;辽中凹陷JX1-1反转带有机质成熟度演化也显示,烃源岩均是在反转构造形成之后才陆续成熟生、排烃,并且主力烃源岩是在距今5.1 Ma才达到生、排烃高峰期;盆地模拟结果表明:由于反转作用造成JX1-1油田两期充注,第一期为距今31 Ma~24.6Ma,第二期为距今9.2Ma至今。
强昆生吕修祥周心怀徐长贵涂丹凤赵旭亚
关键词:渤海海域辽中凹陷平衡剖面油气成藏
Control of hydrocarbon accumulation by Lower Paleozoic cap rocks in the Tazhong Low Rise, Central Uplift, Tarim Basin, West China被引量:1
2014年
Despite the absence of regional cap rocks in the Lower Paleozoic for the entire Tazhong Low Rise,several sets of effective local cap rocks are well preserved on the Northern Slope.Of these the best is the Ordovician mudstone of the Sangtamu Formation; the second is the Silurian Red Mudstone Member of the Tatairtag Formation and the marl of the Ordovician Lianglitag Formation; and the third is the gray mudstone of the Silurian Kepingtag Formation.The dense limestone of the Ordovician Yingshan Formation and the gypsum of the Middle Cambrian have shown initial sealing capacity.These effective cap rocks are closely related to the distribution of Lower Palaeozoic hydrocarbons in the Tazhong Low Rise.With well-preserved Sangtamu Formation mudstone and its location close to migration pathways,rich Lower Paleozoic hydrocarbon accumulation can be found on the Northem Slope.Vertically,most of the reserves are distributed below the Sangtamu Formation mudstone; areally,hydrocarbons are mainly found in the areas with well-developed Sangtamu Formation mudstone and Lianglitag Formation marl.Burial history and hydrocarbon charging history show that the evolution of Lower Palaeozoic cap rocks controlled the accumulation of hydrocarbon in the Tazhong Low Rise.Take the Red Mudstone Member of the Tatairtag Formation and Sangtamu Formation mudstone for examples:1) In the hydrocarbon charging time of the Late Caledonian-Early Hercynian,with top surfaces at burial depths of over 1,100 m,the cap rocks were able to seal oil and gas; 2) During the intense uplifting of the Devonian,the cap rocks with top surfaces at burial depths of 200-800 m and 500-1,100 m respectively were denuded in local areas,thus hydrocarbons trapped in earlier time were degraded to widespread bitumen; 3) In the hydrocarbon charging time of the Late Hercynian and Himalayan,the top surfaces of the cap rocks were at burial depths of over 2,000 m without intense uplifting and denudation thereafter,so trapped hydrocarbons were preserved.Based on cap rocks,the Or
Zhang YanpingLü XiuxiangYang HaijunHan JianfaLan XiaodongZhao YueZhang Jinhui
塔中北斜坡致密碳酸盐岩盖层特征及其控油气作用被引量:14
2011年
塔中北斜坡鹰山组发育大型海相碳酸盐岩凝析气藏,其上部盖层为良里塔格组3-5段的致密碳酸盐岩。在平面上,这套盖层基本上覆盖整个塔中北斜坡;在剖面上,致密灰岩呈块状分布,叠置相连,从而封闭下部鹰山组中的油气。通过对良3-5段致密碳酸盐岩盖层的岩性、厚度以及泥质含量几方面特征的分析,总结它们的分布规律及其与油气的关系,进而探讨影响塔中北斜坡这套致密灰岩盖层封闭性的主要因素。其中重点分析了致密灰岩盖层厚度和泥质含量对油气分布的控制作用,结果显示塔中北斜坡良里塔格组的致密灰岩盖层厚度达到80m,泥质含量的自然伽马测井响应值达到20API即可以有效的封闭油气,厚度和泥质含量在影响油气封闭性方面具有互补关系。
赵越杨海军刘丹丹韩剑发张艳萍张阳春王海江
关键词:盖层良里塔格组塔中北斜坡
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