boreholes相关论文
Inversion of breakout data from inclined boreholes for stress state of the upper crust in Jizhong de
InversionofbreakoutdatafrominclinedboreholesforstressstateoftheuppercrustinJizhong depressionYAN-XIANGYU(俞言祥)andZHONG-HUAIXU(...
InversionofbreakoutdatafrominclinedboreholesforstressstateoftheuppercrustinJizhong depressionYAN-XIANGYU (Y......
Prevention and control of coalfield fire technology: A case study in the Antaibao Open Pit Mine goaf
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Formation of Hengchun Accretionary Prism Turbidites and Implications for Deep-water Transport Proces
Located at the end of the northern Manila Trench,the Hengchun Peninsula is the latest exposed part of Taiwan Island,and ......
This study examined the sanitary conditions of public boreholes and hand dug wells water in relation to pathogenic bacte......
中国西部钻孔应变仪观测台网始建于上世纪 80 年代末期,采用的 RZB-1 型电容式钻孔应变仪具有 10-10量级的应变灵敏度和小于 10-7/......
本煤层钻孔作为治理煤矿瓦斯的有效手段,对其影响范围的研究,对合理布置钻孔、高效抽采具有积极的意义。通过瓦斯运移模型,计算并......
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煤层瓦斯流动是一个复杂的非线性物理过程,为定量模拟钻孔瓦斯流量,在分析煤层瓦斯流动基本特征的基础上,把吸附瓦斯的解吸视为游......
现有井壁围岩应力求解模型大都基于平面应变假设,相对岩石真实应力状态会有一定的误差.在空间坐标变换基础上建立了大位移井井壁稳......
针对均质等厚气藏中的一口压裂气井,文章从广义达西定律出发,并考虑近井地带的非达西渗流、压裂裂缝壁面污染以及支撑裂缝限制性入......
天然气水合物是采气过程中经常遇到的一个重要问题.在生产过程中,水合物的生成可导致气体输送管线及加工设备的堵塞而影响正常生产......
为了评价注气吞吐消除凝析气井近井带反凝析污染的相态机理,文章基于油气两相相平衡热力学理论和PR状态方程,建立了静态零维组分模......
气田生产中,特别是在试气、试采阶段常存在天然气水合物在井内管柱或地面管线中生成,堵塞井筒、管线、阀门和设备,从而影响天然气......
气井的绝对无阻流量是确定气井产量的主要指标.通常在确定压裂后气井的产能从而求取无阻流量时,采用近似的流动模式来表征压裂后流......
在计算井筒与地层换热时,常规非稳态换热公式由于假设了井筒温度不发生变化,计算结果与实际情况有较大误差.考虑到井筒温度变化,提......
在高含硫气藏开发过程中,随着高含硫气体从地层中采出,地层压力不断下降,使元素硫从含硫饱和态气相中析出,并沉积到地层孔隙或喉道......
白庙气藏属于低渗、致密、深层凝析气藏.由于气藏断块小,单井可控制储量少,气井产量低,靠自身能量很难将井筒积液携带出来,必须采......
中75井第四次开钻采用天然气钻井,井眼严重垮塌,井下情况比较复杂,仅钻进7.23 m即发生卡钻事故.为继续采用天然气钻井提供有利条件......
为提高整体开发效率,降低开发成本,长庆苏里格气田应用了小井眼钻井技术.针对苏里格气田的具体情况,在小井眼钻井工艺方面,进行了......
许多热采井套管热应力计算模型忽略了地层影响,属于单轴热应力分析.文章首先将套管、水泥环、地层组成的井筒作为不同物质的组合体......
在低渗透油气藏中,油气藏流体的流动一般不遵循达西定律,而是低速非达西流.水力压裂已成为开发低渗透油气藏的较为常用且相当有效......
凝析气井开采过程中,当地层压力小于露点压力时,将在地层中发生反凝析现象,凝析液在井筒附近产生附加表皮系数,导致产气量下降.对......
为了寻求合理的钻孔抽放参数,采用数值模拟的方法,应用计算流体力学软件fluent6.3建立了钻孔瓦斯抽放流动模型,通过气体渗流理论模......
首先详细描述了研究区域内2个钻孔的水压致裂地应力测试结果,包括测试段深度、最大和最小水平主应力的量值以及诱发破裂的印模定向......
盐岩蠕变对石油钻井危害性极大.利用有限元分析方法对井下盐岩的蠕变进行了计算分析,确定了裸眼井在非均匀地应力下,井眼的半径收......
为了获取合理的瓦斯抽放钻孔布置参数,以瓦斯渗流理论为基础,抽放钻孔周围径向流场为研究对象,建立了抽放钻孔周围瓦斯流动的数学......
地震波在地层中的传播速度和岩层的性质,如弹性参数、地层成分、密度、埋藏深度、地质年代、孔隙率、构造运动等因素有关.特定的层......
在钻井、完井和增产改造等各种作业过程中,近井地带由于钻井完井液的侵入,含水饱和度升高,且有效应力也发生变化,二者综合作用使气......
Mineral Chemistry of Two-Mica Granite Rare Metals: Impact of Geophysics on the Distribution of Urani
The present work aims at identifying Nb-Ta-, Zr-Hf-, REE-, Th-U-bearing two-mica granite from geological, geophysical cr......
Mineral Chemistry of Two-Mica Granite Rare Metals: Impact of Geophysics on the Distribution of Urani
The present work aims at identifying Nb-Ta-, Zr-Hf-, REE-, Th-U-bearing two-mica granite from geological, geophysical cr......
Feasibility Study of Boreholes Hand Drilling in Senegal—Identification of Potentially Favorable Area
Drilling techniques commonly used in Africa are rather well suited for areas where geologic formations are hard and grou......
逐一分析了安乐寺滑坡前缘西溪铺、农机技校松散堆积体的144个勘探钻孔,根据土体物质成分进行分层并对其因进行判断;对相邻钻孔的......
Severely deformed coal seams barely deliver satisfactory gas production.This research was undertaken to develop a new me......
Located in the southeastern of Côte d’Ivoire, Bonoua aquifer contains an enormous groundwater potential. The new bo......
The study investigates water service provision in Owerri-a Nigerian city. For the study both primary and secondary data ......
Antimicrobial Resistance Profile of Bacteria Isolated from Boreholes and Hand Dug Wells Water in Nga
Uncontrolled uses of antibiotics have led to rapid evolution of antibiotic-resistance bacteria and antibiotic resistance......