数据汇交资源 - 国家冰川冻土沙漠科学数据中心

0931-4967592
注册
登录
中文
EN

收起筛选

Seismic frequency detection method and its application in high-speed train induced seismic

Seismic frequency detection m... 2024-01-24

关键词:: Continental crust; SEISMOLOGY; Tomography; Computational seismology

Running high-speed trains (HST) can cause vibration of rails. The induced seismic waves may provide repeated high energy sources for subsurface detection. It...

作者:: 梁瑶,李学良,杨晓,石太昆,南方舟,邹安琪
文件大小:

Numerical Simulation Based on the Canister Test for Shale Gas Content Calculation[基于现场解析实验的页岩气含量数值模拟]

Numerical Simulation Based on... 2024-01-24

关键词:: shale gas; mathematical model; canister test; gas content; Longmaxi Shale

The accurate determination of the gas in place in shale reservoirs is a basic but challenging issue for shale gas evaluation. Conventional canister gas desor...

作者:: Shujuan Kang*,Le Lu,Hui Tian,Yunfeng Yang,Chengyang Jiang and Qisheng Ma
文件大小:: 1.5 MiB

Rock‑Type Defnition and Pore Characterization of Tight Carbonate Rocks Based on Thin Sections and MICP and NMR Experiments

Rock‑Type Defnition and Pore ... 2024-01-24

关键词:: paleokarst reservoir; three-dimensional structure; geophysical recognition; Tahe Oilfield; Tarim Basin

Thick tight Ordovician carbonate rocks are present at depths exceeding 5300 m in the Tahe oilfeld and their matrix is considered to contain no storage space...

作者:: 田飞,王为民,刘乃贵
文件大小:: 4.5 MiB

An application of CSAMT for detecting weak geological structures near the deeply buried long tunnel of the Shijiazhuang-Taiyuan passenger railway line in the Taihang Mountains

An application of CSAMT for d... 2024-01-24

关键词:: Deeply buried long tunnel; Geophysical exploration; Electromagnetic sounding; CSAMT; Resistivity section

The Shijiazhuang-Taiyuan (ShiTai) high-speed railway line is designed to cross the Taihang Mountains. The line will include the construction of a 27.85 km lo...

作者:: 底青云,付长民,安志国,王若,王光杰,王妙月,梁鹏飞
文件大小:: 4.8 MiB

智能导钻技术体系与相关理论研发进展

智能导钻技术体系与相关理论研发进展 2024-01-24

关键词:: 智能导钻系统; 装备研发; 旋转导向系统; 地质导向系统; 高速传输系统; 测试平台

为满足国家高效低成本开发深层/超深层(埋深4500~9000m)油气资源的战略需求,亟待发展适合我国地质禀赋的深层/超深层石油地质理论,创新支撑深层/超深层油气勘探开发的智能导钻技术体系.依托中国科学院 A 类战略性先导科技专项“智能导钻技术装备体系与相关理论研究”(简称智能导钻系统),面向深层/超深层系统性开展...

作者:: 朱日祥,金之钧,底青云,杨长春,陈文轩,田飞,张文秀
文件大小:: 5.8 MiB

Determination of the absorption coefficient of radar waves in solid earth media

Determination of the absorpti... 2024-01-24

关键词:: GPR; Spatial absorption coefficient; Temporal absorption coefficient; Group velocity; FDTD

In traditional ground penetrating radar (GPR) field data processing, e.g. horizontal stacking and migration, the wave propagating phase velocity is commonly ...

作者:: 底青云,付长民,张美根,王妙月
文件大小:: 1.1 MiB

EMT simulation and efect of TTI anisotropic media in EMT signal

EMT simulation and efect of T... 2024-01-24

关键词:: Electromagnetic telemetry; Finite diference method; Anisotropy; Gaussian quadrature

An axisymmetric fnite diference method is employed for the simulations of electromagnetic telemetry in the homogeneous and layered underground formation. In ...

作者:: 底青云,Olalekan Fayemi,真齐辉,田飞
文件大小:: 2.3 MiB

Hilbert － Huang 变换在 WEM 信号预处理中的应用

Hilbert － Huang 变换在 WEM 信号预处理中的应用 2024-01-24

关键词:: Hilbert-Huang 变换; WEM 信号; 噪声压制

在强电磁干扰环境下，采用传统傅里叶变换方法对 WEM 数据进行处理的效果不佳，得到的预处理数据无法满足后续反演计算的要求．同时，野外采集的 WEM 信号具有非线性、非平稳特征．本文研究了采取 Hilbert-Huang 变换( HHT) 这种完全局部时频分析手段来处理 WEM 信号的方法．文中简要介...

作者:: 宋腾飞,付长民
文件大小:: 858.7 KiB

Three-Dimensional Geophysical Characterization of Deeply Buried Paleokarst System in the Tahe Oilfield, Tarim Basin, China

Three-Dimensional Geophysical... 2024-01-24

关键词:: paleokarst reservoir; three-dimensional structure; geophysical recognition; Tahe Oilfield; Tarim Basin

Paleokarst reservoirs are the major type of the Ordovician carbonate reservoirs in the Tahe Oilfield. Due to the strong heterogeneity in distribution, it is ...

作者:: 田飞,王中兴
文件大小:: 13.7 MiB

松辽盆地中央坳陷区三肇凹陷上白垩统青山口组一段页岩含油性特征

松辽盆地中央坳陷区三肇凹陷上白垩统青山口组一段页岩含油性特征 2024-01-24

关键词:: 页岩油; 密闭热释; 溶剂抽提; 岩石热解; 青山口组; 中央坳陷区; 松辽盆地

松辽盆地中央坳陷区上白垩统青山口组湖相暗色页岩沉积蕴含了数量可观的页岩油资源，其中齐家—古龙凹陷青山口组页岩油勘探已取得重大战略性突破。采用井场密闭热释方法，结合室内溶剂抽提＋比较热解方法，综合评价松辽盆地中央坳陷区三肇凹陷青山口组一段页岩含油性特征。结果表明，研究层段青山口组页岩总有机碳含量介于1.48%～...

作者:: 康淑娟,仰云峰,王华建,江文斌,何坤,刘冉冉
文件大小:: 650.8 KiB

智能导向钻井一体化软件系统平台研发

智能导向钻井一体化软件系统平台研发 2024-01-24

关键词:: 智能导钻; 油气开发; 软件平台; 人工智能

摘要导向钻井技术的智能化是实现复杂油气藏高效开发的重要途径．本文面向智能导钻系统的实际需求，基于云平台、大数据及人工智能等技术，开展了一体化软件系统的研发．针对整套系统模块众多、功能复杂的问题，首先研发了可扩展模块化底层软件平台，在此基础上建立起集成数据采集、传输、存储、应用与决策为一体的工业化软件系统．本文详...

作者:: 付长民,底青云,雷达,王啸天
文件大小:: 8.5 MiB

Application of Time-Domain Airborne Electromagnetic Method to the Study of Qingchengzi Ore Concentration Area in China

Application of Time-Domain Ai... 2024-01-24

关键词:: airborne EM; data acquisition; data processing; electromagnetic method

Qingchengzi is an important polymetallic mineral concentration zone in China. However, long-term mining has led to the depletion of proven reserves in the Qi...

作者:: 付长民,底青云,雷达,王啸天,张一朗
文件大小:: 6.7 MiB

面向地质导向的地层智能评价解决方案

面向地质导向的地层智能评价解决方案 2024-01-24

关键词:: 地质导向系统; 高速传输系统; 测试平台地质导向系统; 构造－岩性－成分; 数据融合; 地层智能评价; 解决方案

地质导向系统基于井下实时测量的地质、地球物理和钻井参数，优化三维井轨迹到油气藏指定位置以获得最大的泄油面积和最佳的采收率，成为提高单井油气产量和油田开发效益的前沿技术，面临低孔－低渗－强非均质储层等地质难题和高温－高压－强振动等钻井工程难题．本文在梳理地质导向系统硬件、软件和人员等组成的基础上，将地质导向系统划分...

作者:: 田飞,底青云,郑文浩,葛新民,张文秀,张江云,杨长春
文件大小:: 6.0 MiB

Multiscale geological-geophysical characterization of the epigenic origin and deeply buried paleokarst system in Tahe Oilfield, Tarim Basin

Multiscale geological-geophys... 2024-01-24

关键词:: Paleokarst system; Structure genetic type; Production analysis; Tarim Basin

The irregular structures of paleokarst systems are among the major factors resulting in carbonate reservoir heterogeneity, which restricts the further explor...

作者:: 田飞,底青云,金强
文件大小:: 9.0 MiB

智能导钻井下随钻单芯总线信道特征及接口驱动

智能导钻井下随钻单芯总线信道特征及接口驱动 2024-01-24

关键词:: 智能导钻; 随钻总线; 工作频率; 接口驱动

随钻总线系统实时收集上传井下随钻测井数据与钻井工程参数以及下达地面控制命令,通过井地传输系统,实现地面与井下之间的数据与命令交换,形成钻井控制大闭环,是完成智能导钻的关键技术环节.本文从随钻单芯总线的信道特征、总线电路及其等效模型几方面介绍智能导钻井下随钻单芯总线系统,总结了总线的最佳工作频率及负载特征,分析了总...

作者:: 真齐辉
文件大小:: 1.8 MiB

Linkage of deep lithospheric structures to intraplate earthquakes A perspective from multi-source and multi-scale geophysical data in the South China Block

Linkage of deep lithospheric ... 2024-01-24

关键词:: Multi-source and multi-scale observations; Geophysical data; Lithospheric structure; Intraplate earthquake; South China Block

The relationship between intraplate earthquakes and intraplate deformation is one of the great conundrums faced by plate tectonics theory. In particular, lar...

作者:: 底青云,田飞
文件大小:: 20.2 MiB

Integrated geological-geophysical characterizations of deeply buried fractured-vuggy carbonate reservoirs in Ordovician strata, Tarim Basin

Integrated geological-geophys... 2024-01-24

关键词:: Fractured-vuggy reservoirsStrong heterogeneityMulti-scale geological-geophysicalcharacterizationTarim basin

The Central Uplift region of the Tarim Basin contains a series of thick Ordovician carbonates that form fracturedvuggy hydrocarbon-rich reservoirs along an ...

作者:: 田飞,罗小荣,张旺
文件大小:: 12.3 MiB

层矩阵法高精度快速数字滤波算法研

层矩阵法高精度快速数字滤波算法研 2024-01-24

关键词:: 可控源音频大地电磁法; 层矩阵方法; 数字线性滤波器; 傅里叶变换

可控源音频大地电磁法具有工作效率高、信号强度大、分辨能力好等优点，是电法勘探中的一个重要分支，高精度快速正演计算是其能够成功应用的重要基础．层矩阵方法可以模拟层状介质的电磁场响应，适用于可控源电磁法的正演计算，其最终计算结果取决于二维傅里叶反变换的计算精度．为了将层矩阵法应用于可控源音频大地电磁法的正演...

作者:: 谭洁玉,付长民
文件大小:: 1.1 MiB

Electrofacies classification of deeply buried carbonate strata using machine learning methods: A case study on ordovician paleokarst reservoirs in Tarim Basin

Electrofacies classification ... 2024-01-24

关键词:: Paleokarst reservoirs; Electrofacies; PCA; K-means; LDA

The paleokarst system is one of the main carbonate reservoirs, which can form important super-large oil fields. There are many typical paleokarst reservoirs ...

作者:: 郑文浩,田飞,底青云
文件大小:: 16.6 MiB

140GHz毫米波岩石钻探技术研究

140GHz毫米波岩石钻探技术研究 2024-01-24

关键词:: 介电损耗; 高功率; 毫米波; 钻探

利用高功率微波加热熔化岩石实现地下快速破岩是全新的钻探技术，具有潜在技术优势。基于140 GHz 高功率毫米波系统开展了高功率毫米波能量加热穿透岩石的快速钻井技术研究，测量并分析岩石在微波电磁场下的介电损耗特性，采用多物理场耦合法定量模拟不同波束尺寸和入射功率下的岩石温度分布及烧蚀情况，发现峰值功率密度在1～2 ...

作者:: 王修昌,王晓洁,吴大俊,张立元,汤允迎
文件大小:: 5.1 MiB