the spherical magnetic mineral grains within sample 6 from b well-1 are authigenic magnetite which formed under geochemical conditions of hydrocarbon migration.

linking to a specific section is possible, too. just add the section name behind a hash character as known from html. this links to this section.

链接到一个特殊的区块也是可以的。仅仅在井号之后加上这个区块的名字。这个链接指向这个区块。

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kondo is not part of a breed of alpha-organizers bent on dominating the world, despite her hashtag.

尽管有那样的井号标签，但近藤并不是那种一心主导世界的顶级组织者。

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weighted sharp functions and their applications

加权井号函数及其应用

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formation fluid properties include: the sampled well name;

地层流体性质包括：取样井号；

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a more typical solution is to display the username, hostname, directory, and the dollar or hash sign, depending on the uid of the current user.

更典型的解决方案是显示用户名、主机名、目录，以及美元符号或井号（具体取决于当前用户的UID）。

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it finishes measure management, accident management, well survey management, press survey management, inspection cost management, data and report-forms disposal of well number management. these are demanded by the system.

完成了系统要求的措施管理、事故管理、测井管理、测压管理、监测费用管理、井号管理数据处理和报表处理。

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by using powerbuilder 7, inquiry through a clue of combination of conditions including structural tree, strati graphic tree, well number tree and sample number tree is realized, which meets the thinking way of geologists.

以构造树、地层树、井号树、样品编号树为数据导航线索，利用PowerBuilder7数据库开发工具，设计了符合地质人员思维观念和使用习惯的树状组合条件查询。

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the results show that the temperature rise of fluid co2 is little because of insulation measures like insulated tubing and n2 in casing annular and the temperature of co2 arriving bottom hole has larger difference as different injection rate.

计算结果表明，由于注入时间较短，且注入过程中采取使用隔热油管、环空内充氮气等保温措施，液态CO2温升较小；随着注入速度的变化，液态CO2到达井底的温度相差较大。

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using mohr coulomb criteria, the sand production model is founded. the calculating method of the critical fluid pressure of bottom hole is given.

根据Mohr-Coulomb准则，建立了相应的出砂预测模型，给出油井出砂时临界井底流压的计算方法。

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according to bond crack theory, this paper sets forth a new rock drillability testing method which takes the detritus from the bottom hole as the research subject. a correlation model of drillability grades and cuttings fractal dimensions is established.

依据Bond裂纹学说，提出了一种以井底返出的岩屑为对象的岩石可钻性测试方法，并建立了岩石可钻性极值和岩屑分形维数的关系模型。

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by studying the shape of bottomhole pattern, the paper has mainly made an approach to the bottomhole pattern characteristics, presented a group of characteristic parameters, and obtained the close relation between these parameters and the type of rock bit by fuzzy cluster.

通过对井底模式形状的研究，对井底模式特征进行了探讨，提出了一组特征量，并用Fuzzy聚类方法分析得出特征量和钻头结构密切相关。

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the flow field of pdc bits is very complicated during drilling process, while optimizing its hydraulics parameters is an effective method to improve its drilling performance.

PDC钻头在实钻过程中井底流场非常复杂，而优化其水力学参数是提高钻头钻井能力的有效手段。

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the overall characteristics of flow field are analyzed and various influences of nozzle diameter on the downhole flow field of pdc bits are obtained.

分析了流场的总体特点，得出了喷嘴孔径对PDC钻头井底流场的各种影响。

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the mechanics mechanism of heightening rop is studied through comparing the stress field of two-stage pdc bit with that of regular pdc bit.

对比双级PDC钻头和常规PDC钻头的井底应力场，研究了其提高机械钻速的力学机理。

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and the jet flow field of 4 nozzles of a pdc bit is tested by simulating the bottomhole flow field of the bit.

在模拟PDC钻头井底流场的条件下，对PDC钻头4个喷嘴的射流流场进行了测试。

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bottom pressure calculation method of surpressure gas well and how to correct the pseudo-critical parameters of natural gas with high content of h_2s and co_2 are presented in this paper.

本文介绍超高压气井井底压力的计算方法，以及如何对高含H2S和CO2天然气的视临界参数进行必要的校正。

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designed target area is horizontal displacement 600 ± 150m, orientation 350 °± 20 °.

设计靶区为井底水平位移600±150m、闭合方位350°±20°。

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based on the solution in laplace space, the skin factor and storage coefficient are considered in solving the equations conveniently.

在以上Laplace空间解式的基础上，方便地求解出考虑表皮系数和井筒存储系数影响的井底压力。

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an ipr equation of a production well describes the relationship between production rate and the bottom hole pressure.

油井的流入动态（IPR）曲线是描述油井产量和井底流压关系的曲线。

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transient ipr curves are a set of curves between flow rate and bottom hole pressure under different time.

不稳定IPR曲线是指不同的时间下井底压力与流量的关系曲线。

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