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Oil maturities, mixing and charging episodes in the cratonic regions of the Tarim Basin, NW China: Insight from biomarker and diamondoid concentrations and oil bulk properties (生物标志化合物和金刚烷浓度揭示塔里木盆地台盆区原油成熟度、混合与充注过程)

Oil maturities, mixing and ch... 2024-01-24

关键词:: Biomarker ratio and concentration; Oil; maturityOil; mixingOil/gas charging episodes

Quantitative GC-MS analysis was performed on 138 oils from the cratonic regions of the Tarim Basin, north- western China. Crossplots of (1)...

作者:: Zhou ChenXi
文件大小:: 17.2 MiB

运用岩性因子预测四川盆地涪陵地区茅口组白云岩储层

运用岩性因子预测四川盆地涪陵地区茅口组白云岩储层 2024-01-24

关键词:: 叠前道集优化; 多子波分解与重构; 射线弹性阻抗; 坐标旋转; 岩性因子; 白云岩; 茅口组; 涪陵地区

川东南涪陵地区茅口组碳酸盐岩与上覆吴家坪组底部炭质泥岩存在较大波阻抗差,形成连续强反射界面TP2,屏蔽了下伏白云岩储层的地震响应,茅口组白云岩与灰岩纵波阻抗叠置,叠后地震难识别,原始CRP道集有效角度仅到20°,缺乏大角度信息,不利于叠前弹性参数求取。针对以上问题,在叠前道集优化处理基础上,采用多子波分解与重构技...

作者:: 刘玲,沃玉进,张涛,孙炜
文件大小:: 19.7 MiB

Conductivity of hydraulic fracturing in tight carbonate intra-platform shoal reservoirs

Conductivity of hydraulic fra... 2024-01-24

关键词:: Tight carbonate reservoirs; Hydraulic fracturing Fracture; conductivity Self-propped fracturesProppants

The carbonate intra-platform shoal is a typically tight oil and gas reservoir with low porosity and low permeability. A common way to stimulate this type of ...

作者:: Peiyan Xie,Zhiqian Gao,Congcong Li,Tailiang Fan,Muzee Karubangika Grace,Duan Wei,Shanshan Wang,Hans G. Machel
文件大小:: 5.1 MiB

塔中隆起中—下奥陶统岩溶水文地貌条件及控储机制

塔中隆起中—下奥陶统岩溶水文地貌条件及控储机制 2024-01-24

关键词:: 表生岩溶; 水文地貌条件; 裂缝—孔洞系统; 岩溶储层发育模式; 中—下奥陶统; 塔中隆起; 塔里木盆地

塔里木盆地塔中隆起中—下奥陶统古岩溶储层是深层碳酸盐岩油气勘探的重点目标。基于地震数据分析和地震属性提取,对塔中隆起的岩溶古地貌和古水文结构进行了精细刻画;通过钻井和成像测井对比、岩心和岩石学薄片观察,揭示了古岩溶储层空间分布的差异性;探讨了水文地貌条件对储层发育的控制作用。

作者:: 张恒,蔡忠贤,漆立新,云露,曹自成,沙旭光
文件大小:: 3.1 MiB

原油热裂解过程中的红外光谱演化特征及其主控因素

原油热裂解过程中的红外光谱演化特征及其主控因素 2024-01-24

关键词:: 热解程度; 红外光谱; 芳烃含量; 饱和烃含量; 热解实验; 原油

原油的红外光谱能够反映原油中各种分子基团的信息，对于简单、快速识别原油的成因类型和热演化程度有很大的应用潜力。通过对两个不同有机相来源的原油样品开展热解实验，初步研究了原油热解过程中红外光谱的演化特征及其主控因素。结果表明，随着原油热解程度的增加，不同类型原油的红外光谱具有相似的演化模式，可近似划分为两个阶段...

作者:: 刘博通
文件大小:: 1.8 MiB

塔河油田托甫台区奥陶系断溶体层级类型及表征方法

塔河油田托甫台区奥陶系断溶体层级类型及表征方法 2024-01-24

关键词:: 断溶体; 构型表征; 走滑断裂; 塔河油田; 奥陶系

基于野外露头、岩心、测井、录井、地震、生产动态等资料，结合断溶体地质成因，对塔河油田托甫台区奥陶系断溶体层级类型及表征方法进行研究。按照成因地质体的概念将断溶体划分为 4 个层级构型单元，走滑断裂影响带为第 1 层级单元，断溶体为第 2 层级构型单元，断溶体内部缝洞带为第 3 层级构型单元（构型要素可进一步划分为...

作者:: 张文彪,段太忠,李蒙,赵华伟,商晓飞,汪彦
文件大小:: 6.9 MiB

A fractal-based approach to evaluate the effect of microstructure on the permeability of two-dimensional porous media

A fractal-based approach to e... 2024-01-24

关键词:: Microstructure; Permeability; Porosity; Fractal dimension; Lacunarity

The complex and heterogeneous microstructure of underground porous media usually results from geological processes such as deposition, compaction, cementatio...

作者:: Yuxuan Xia a,Wei Wei a,Yang Liu a,Zhongxian Cai b,Qi Zhang b,Jianchao Cai a c
文件大小:: 4.6 MiB

Architecture characterization of Ordovician fault-controlled paleokarst carbonate reservoirs in Tuoputai, Tahe oilfield, Tarim Basin, NW China

Architecture characterization... 2024-01-24

关键词:: fault-controlled karst reservoir; architecture characterization; strike-slip fault; Tahe oilfield; Ordovician

Based on outcrop, core, logging, seismic and production data, and the formation of fault-controlled karst reservoirs, the types and characterization of Ordov...

作者:: Wenbiao Zhang,Taizhong Duan,Meng Li,Huawei Zhao,Xiaofei Shang,Yan Wang
文件大小:: 4.0 MiB

中国的白云岩与白云岩储层:分布、成因与控制因素

中国的白云岩与白云岩储层:分布、成因与控制因素 2024-01-24

关键词:: 油气储层; 成因机理; 白云岩化; 白云岩; 塔里木盆地; 鄂尔多斯盆地

中国是世界上少有的几乎每个地质时代都有白云岩分布的国家。从华北地区的元古宇到第四系的盐湖沉积物,都能见到各种类型的白云岩(石),但白云岩在层位和区域上分布不均,类型上也有明显差异。其中,下古生界白云岩分布最为普遍,而上古生界、中生界和新生界仅有局部地区发育白云岩。中国白云岩的类型和与之相对应的白云岩化作用主要有:...

作者:: 何治亮,马永生,张军涛,朱东亚,钱一雄,丁茜,陈代钊
文件大小:: 9.2 MiB

Fractal characteristics of pore networks and sealing capacity of Ordovician carbonate cap rocks: A case study based on outcrop analogues from the Tarim Basin, China

Fractal characteristics of po... 2024-01-24

关键词:: pore networks; Ordovician; carbonate cap rocks

Understanding and predicting the main controls on the sealing capacity of carbonate cap rocks is of great significance for ultradeep carbonate reservoir expl...

作者:: Jun Wu,Tailiang Fan,Enrique Gomez-Rivas,Anna Travé,Zhiqian Gao,Shanshan Wang,Xiaolong Sun
文件大小:: 5.5 MiB

Interpretation of abnormally negative carbon isotope excursions in Eifelian–Givetian (Middle Devonian) sediments of South China and implications for paleo-environmental variation. (华南中泥盆世埃菲尔阶至吉维特阶沉积物异常负偏碳同位素的成因及其对古环境变化的指示)

Interpretation of abnormally ... 2024-01-24

关键词:: Negative carbon isotope excursion Middle DevonianDiagenetic alteration Redox stratified Nitrogen cycle Restricted basin

Many negative carbon isotope excursions (NCIEs) have been employed to interpret global biogeochemical events in Earth history, but they are also influenced...

作者:: Wu yaowen
文件大小:: 11.2 MiB

Paleoenvironment reconstruction of the Middle Ordovician thick carbonate from western Ordos Basin, China

Paleoenvironment reconstructi... 2024-01-24

关键词:: Middle darriwilian; isotope carbon excursion PaleoenvironmentNatural gas exploration; Middle; ordovicianOrdos basin

Reconstructing paleoenvironments has long been considered a vital component for understanding the development and evolution of carbonate reservoirs. The Midd...

作者:: Jia-Qi Yang,Jun-Tao Zhang,Zhi-Liang He,Tao Zhang
文件大小:: 34.2 MiB

Volcanic events-related hydrothermal dolomitisation and silicification controlled by intra-cratonic strike-slip fault systems: Insights from the northern slope of the Tazhong Uplift, Tarim Basin, China

Volcanic events-related hydro... 2024-01-24

关键词:: dolomitisation; silicification; strike-slip faults; volcanism

Ordovician carbonate rocks on the northern slope of the Tazhong Uplift in the Tarim Basin are modified to varying degrees by hydrothermal fluids related to m...

作者:: Duan Wei,Zhiqian Gao,Tailiang Fan,Yongbin Niu,Ruixin Guo
文件大小:

准噶尔盆地中部地区深层西山窑组砂岩成岩作用及其对储层质量评价的启示

准噶尔盆地中部地区深层西山窑组砂岩成岩作用及其对储层质量评价的启示 2024-01-24

关键词:: 成岩作用; 储层质量; 相对优质储层; 深层; 永进地区

综合利用薄片、扫描电镜、电子探针和X-射线衍射等手段,研究了准噶尔盆地中部永进地区西山窑组砂岩的岩石学特征和成岩特征,讨论了成岩作用对深层储层质量变化的影响和相对优质储层的形成模式。结果表明:西山窑组三角洲前缘亚相砂岩主要是极细粒—中粒岩屑砂岩及长石岩屑砂岩,自生矿物主要是方解石、铁方解石、铁白云石、黏土矿物、硅...

作者:: 张振宇,张立宽,罗晓容,曹斌风,林会喜,曾治平,秦峰,贺文君,李超,雷裕红
文件大小:: 23.2 MiB

New method to predict porosity loss during sandstone compaction based on packing texture

New method to predict porosit... 2024-01-24

关键词:: Porosity; Sandstone; Compaction; Packing texture; Reservoir quality

The grain packing texture of underground sandstone tends to be a major controlling factor in porosity loss during compaction when the effective stress and bu...

作者:: Yiming Yan,Liqiang Zhang,Xiaorong Luo,Keyu Liu,Likuan Zhang,Tong Jia
文件大小:: 28.9 MiB

Thermal maturation as revealed by micro-Raman spectroscopy of mineral-organic aggregation (MOA) in marine shales with high and over maturities（高-过成熟海相页岩中矿物-有机质复合体 [MOA)的显微激光拉曼光谱特征作为成熟度指标的意义）

Thermal maturation as reveale... 2024-01-24

关键词:: Marine shale; Mineral-organic aggregation (MOA); Solid bitumen; Raman parameter; Maturity

Laser Raman spectroscopy of organic matter in coals and sedimentary rocks has been increasingly investigated to assess thermal maturity. Pure organic matter ...

作者:: Xiao Xianming
文件大小:: 5.0 MiB

四川盆地晚奥陶世有机碳、氮同位素异常及其古环境意义

四川盆地晚奥陶世有机碳、氮同位素异常及其古环境意义 2024-01-24

关键词:: 晚奥陶世; 有机碳同位素; 氮同位素; 有机质埋藏; 反硝化作用; 四川盆地

晚奥陶世全球海洋环境曾发生重要的改变, 特别是赫南特冰期的气候变冷, 造成了古海洋沉积物中多项地球化学指标出现异常现象, 全球多地区出露的赫南特阶均记录了冰期时出现的碳、氮同位素异常, 但对其产生机制的认识存在争议。四川盆地东南缘三泉剖面和双河剖面的奥陶系五峰组、观音桥段以及志留系龙马溪组的有机碳同位素、总...

作者:: 何龙,王云鹏,陈多福
文件大小:: 2.6 MiB

四川盆地西部彭州气田中三叠统雷口坡组四段上亚段白云岩孔隙表征、分布及成因

四川盆地西部彭州气田中三叠统雷口坡组四段上亚段白云岩孔隙表征、分布及成因 2024-01-24

关键词:: 储层表征; 储集体分布; 储层成因; 白云岩; 雷口坡组; 彭州气田; 四川盆地

彭州气田雷口坡组四段上亚段的微生物白云岩和微粉晶白云岩是油气主要的储集岩。在此,采用了多种分析手段及统计方法,深入研究了主要岩性的孔隙类型、物性和孔隙结构参数及其与岩相(尤其是微生物岩)、白云石晶体大小等关系,综合划分出4种储集体类型及致密层段(隔层),初步提出了孔隙形成与分布的主控因素。研究表明:具残余藻结构的...

作者:: 周凌方,钱一雄,宋晓波,曹波,尤东华,李勇
文件大小:: 13.6 MiB

准噶尔盆地红车断裂带结构与成藏差异性分析

准噶尔盆地红车断裂带结构与成藏差异性分析 2024-01-24

关键词:: 断裂结构; 断裂体系; 控藏差异; 红车断裂带; 准噶尔盆地

红车断裂带中断裂十分发育,体系复杂,且主断裂延伸长,空间上不同部位断裂特征及控藏作用差异明显.利用测井、岩心、高精度地震数据体资料,根据断裂性质、组合样式及活动强度差异性等在平面上将红车断裂分为南北两段,北段主要发育逆断裂,南段主要发育走滑断裂;在剖面上分为上下两层断裂体系,上层为张性断裂体系,下层为压性断裂体系...

作者:: 吴孔友,郭建勋
文件大小:: 2.4 MiB

Effects of extractable organic matter from mature lacustrine shale on the pore structure and their implications.

Effects of extractable organ... 2024-01-24

关键词:: TRIASSIC YANCHANG FORMATION ORDOS BASIN PRIMARY MIGRATION SOURCE ROCKS PETROLEUM EXPULSION ZHANGJIATAN SHALE BARNETT SHALE SOLID BITUMEN GAS SHALES OIL

The porosity and pore size distribution of shale within the oil window before and after solvent extraction are important for estimating the total oil content...

作者:: Lei Yuhong,Xiaorong Luo,Xiangzeng Wang,Ming Cheng
文件大小:: 9.1 MiB