Lithostratigraphy determination and characterisation from Logging While Drilling Data: NanTroSEIZE IODP Expedition 314
根据随钻测井数据进行岩石地层学测定和表征:NanTroSEIZE IODP Expedition 314
基本信息
- 批准号:NE/F009593/1
- 负责人:
- 金额:$ 2.32万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2008
- 资助国家:英国
- 起止时间:2008 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The Integrated Ocean Drilling Programme (IODP) Expedition 314 is part of the Nankai Trough seismogenic zone experiment (NanTroSEIZE) and will use state-of-the-art measurements while drilling to produce continuous data from the strata beneath the seafloor. We propose to maximise these data to interpret the rock properties of strata where no physical sampling will take place. The Nankai Trough is located along the SW margin of Japan, and is part of a subduction zone in the western Pacific where large magnitude earthquakes (>8) have occurred repeatedly. These earthquakes pose a significant threat to people but also allow scientists to study the science of plate tectonics. IODP expeditions (314-316) will drill and sample this active plate boundary fault to (1) observe the fluids and sediments within a fault system associated with the subduction and (2) create an instrumented network to monitor earthquake activity. Sediment is deposited across the Nankai Trough area. In areas seaward of the subduction fault system, mainly undisturbed sediments, fluids and crustal rocks, will be sampled to characterise materials that will eventually be transported into the subduction zone. This sedimentary succession will be drilled at two of six sites, however, it is difficult to collect physical samples and return them to the ship for further study because many of these sediments are unstable. The continuous measurements from the strata beneath the seafloor are a 'representative' or a 'proxy' for the rock properties. We will use standard interpretation techniques, and also develop new interpretation methodologies, to use these data (electrical, nuclear, images of the rocks along the borehole sides) to deduce rock properties, e.g. rock type, presence and type of fluids and character of strata. We will be able to identify where the rock types change even where actual samples cannot be retrieved. One project deliverable is to determine how these data can be used to indicate mineralogy. Sediment mineralogy is important for determining when and where the earth's crust will fracture and generate earthquakes. Changes in the mineral content of the sediment deposited will indicate either a change in the source of sediment or in the processes which deliver sediment to a basin. Another objective is to produce a vertical column, based on these proxy data, that represents the succession of different sediments present at the drill site. This is key to understanding what control the original sediment and fluid exerts on deformation as the sediments are subducted. The project will also interpret other characteristics, such as structures produced by sediment transport or post-deposition disturbance. Even away from the subduction zone, the accumulating sediment may be disturbed by faults, which move during earthquakes, and the sediments can become unstable and 'fail' resulting in transport by slumps and slides. These transport processes will produce different structures in the sediment which will be visible on the borehole image logs. Other planned drill-sites through the fault system will measure more disturbed (deformed) sedimentary strata. We will compare results from the undisturbed sediments with data retrieved from the deformed sedimentary successions to define lithologies, mineralogies and structures at these sites also. Combining all our 'proxy' data, we will propose an overarching scheme that will group the successions into units with similar data characteristics, identify structural and fluid flow features and enable us to suggest sediment characteristics. These results will inform the planning of subsequent IODP expeditions in late 2007 and early 2008. This academic project is at the interface with applied research: the type of data collected during drilling on Expedition 314 is used by industry in exploration, and its interpretation will become increasingly important in the search for smaller oil and gas fields.
综合大洋钻探计划(IODP)探险314是南开海槽地震孕育区实验(NantroSEIZE)的一部分,将在钻探时使用最先进的测量方法,从海底下面的地层产生连续数据。我们建议最大限度地利用这些数据来解释不会进行物理采样的地层的岩石性质。南开海槽位于日本西南边缘,是西太平洋俯冲带的一部分,那里曾多次发生大地震(>;8)。这些地震对人类构成了重大威胁,但也让科学家能够研究板块构造科学。IODP探险队(314-316)将钻探和采样这一活跃的板块边界断层,以(1)观察与俯冲有关的断层系统内的流体和沉积物,以及(2)建立一个仪器网络来监测地震活动。沉积物横跨南开海槽地区。在俯冲断层系统向海的区域,主要是未受干扰的沉积物、流体和地壳岩石将被取样,以确定最终将被输送到俯冲带的物质的特征。这一沉积序列将在六个地点中的两个地点进行钻探,然而,很难收集物理样本并将其送回船上进行进一步研究,因为这些沉积物中有许多不稳定。来自海底以下地层的连续测量是岩石性质的“代表性”或“替代性”。我们将使用标准解释技术,并开发新的解释方法,以使用这些数据(电性、核性、岩石沿井壁的图像)来推断岩石属性,例如岩石类型、流体的存在和类型以及地层特征。我们将能够识别岩石类型发生变化的地方,即使是在无法提取实际样本的地方。一个可交付的项目是确定如何使用这些数据来指示矿物学。沉积物矿物学对于确定地壳何时何地破裂并引发地震很重要。沉积沉积物矿物含量的变化将表明沉积物来源的变化或将沉积物输送到盆地的过程的变化。另一个目标是根据这些替代数据制作一个垂直柱,代表钻探现场存在的不同沉积物的序列。这是理解原始沉积物和流体在沉积物被俯冲时对变形施加什么控制的关键。该项目还将解释其他特征,如泥沙输送或沉积后扰动产生的结构。即使远离俯冲带,积累的沉积物也可能受到地震期间移动的断层的干扰,沉积物可能会变得不稳定,并通过坍塌和滑坡来运输。这些搬运过程将在沉积物中产生不同的结构,这些结构将在钻孔图像记录中可见。其他计划通过断层系统的钻探地点将测量更多扰动(变形)的沉积层。我们将把未扰动沉积物的结果与变形沉积序列的数据进行比较,以确定这些地点的岩性、矿物学和构造。结合我们所有的“代理”数据,我们将提出一个总体方案,将序列划分为具有相似数据特征的单元,识别结构和流体流动特征,并使我们能够建议沉积物特征。这些结果将为在2007年底和2008年初进行后续IODP探险的计划提供信息。这个学术项目处于应用研究的交界处:在探险314的钻探过程中收集的数据类型被工业用于勘探,其解释在寻找较小的油气田方面将变得越来越重要。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Petrophysically determined lithofacies at the Nankai Trough Accretionary Prism: NanTroSEIZE, IODP Expedition 314
南海海槽增生棱柱岩石物理确定的岩相:NanTroSEIZE,IODP Expedition 314
- DOI:10.1144/0016-76492008-136
- 发表时间:2009
- 期刊:
- 影响因子:2.7
- 作者:Tudge J
- 通讯作者:Tudge J
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Michael Lovell其他文献
A feasibility study of Online Mellow Bumps: A Turkish pilot study of an online group-based antenatal parenting intervention.
Online Mellow Bumps 的可行性研究:土耳其一项基于在线团体产前育儿干预的试点研究。
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:2.7
- 作者:
Alex Miles;Michael Lovell;R. Ibrahim;T. Dagli;F. Dağlı;Dr. Vaheshta Sethna - 通讯作者:
Dr. Vaheshta Sethna
Performance Simulation of a Microwave Micro-Electromechanical System Shunt Switch Using Chatoyant
- DOI:
10.1007/s10470-005-2594-x - 发表时间:
2005-08-01 - 期刊:
- 影响因子:1.400
- 作者:
Michael M. Bails;José A. Martínez;Steven P. Levitan;Jason M. Boles;Ilya Avdeev;Michael Lovell;Donald M. Chiarulli - 通讯作者:
Donald M. Chiarulli
Michael Lovell的其他文献
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{{ truncateString('Michael Lovell', 18)}}的其他基金
Embedding a petrophysical vocabulary and petrophysical concepts within the petroleum geoscience community; towards a virtual learning capability
将石油物理词汇和石油物理概念嵌入石油地球科学界;
- 批准号:
NE/M007200/1 - 财政年份:2014
- 资助金额:
$ 2.32万 - 项目类别:
Research Grant
A guide to petrophysical models for shale gas reservoirs based on sensitivity analysis of key variables
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- 批准号:
NE/M007197/1 - 财政年份:2014
- 资助金额:
$ 2.32万 - 项目类别:
Research Grant
Physical Properties of Cenozoic carbonate sediments: determining cyclicity & heterogeneity from core and downhole data (IODP Exp. 320)
新生代碳酸盐沉积物的物理性质:确定周期性
- 批准号:
NE/H003258/1 - 财政年份:2010
- 资助金额:
$ 2.32万 - 项目类别:
Research Grant
Lithostratigraphy determination and mineralogical variation of subduction input sediments from wireline log data: NanTroSEIZE IODP Expedition 322
根据测井数据确定俯冲输入沉积物的岩石地层学和矿物学变化:NanTroSEIZE IODP Expedition 322
- 批准号:
NE/H013636/1 - 财政年份:2010
- 资助金额:
$ 2.32万 - 项目类别:
Research Grant
Bringing Innovative Design into Urban High Schools on a Sustainable Basis: University of Pittsburgh Design Team RET Site
在可持续的基础上将创新设计引入城市高中:匹兹堡大学设计团队 RET 网站
- 批准号:
0502035 - 财政年份:2005
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$ 2.32万 - 项目类别:
Continuing Grant
CRCD: Seamless Integration of Information Devices: A Focus on Emerging Technologies in New Product Development
CRCD:信息设备的无缝集成:关注新产品开发中的新兴技术
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0203341 - 财政年份:2002
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$ 2.32万 - 项目类别:
Continuing Grant
Characterization of Failure Mechanisms in Cross Wedge Rolling
楔横轧失效机理的表征
- 批准号:
0096183 - 财政年份:2000
- 资助金额:
$ 2.32万 - 项目类别:
Continuing Grant
CAREER: Modeling Three-Dimensional Machining Processes for Variable Tool-Chip Interfacial Friction Using Explicit Dynamic Finite Element Techniques
职业:使用显式动态有限元技术对可变刀具-切屑界面摩擦的三维加工过程进行建模
- 批准号:
0096184 - 财政年份:2000
- 资助金额:
$ 2.32万 - 项目类别:
Standard Grant
Characterization of Failure Mechanisms in Cross Wedge Rolling
楔横轧失效机理的表征
- 批准号:
9900060 - 财政年份:1999
- 资助金额:
$ 2.32万 - 项目类别:
Continuing Grant
CAREER: Modeling Three-Dimensional Machining Processes for Variable Tool-Chip Interfacial Friction Using Explicit Dynamic Finite Element Techniques
职业:使用显式动态有限元技术对可变刀具-切屑界面摩擦的三维加工过程进行建模
- 批准号:
9702196 - 财政年份:1997
- 资助金额:
$ 2.32万 - 项目类别:
Standard Grant
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