井

Sunday, December 2, 2007A sailor of Russia's Black Sea fleet fills out a ballot paper in a polling booth in the Ukrainian Black Sea port of Sevastopol. Russians voted on Sunday in a parliamentary election.Wednesday, December 5, 2007Would-be immigrants arrive at Las Vistas beach on Tenerife in the Canary Islands. Ninety-two Africans were intercepted aboard two fishing boats.Monday, December 3, 2007

不久前在丹寨县召开的贵州省水家学会第八次学术研讨交流会上，潘朝霖大胆地提出了他自费悬赏5万至10万元寻找破译释读水书高手的惊人举动，即凡是能够译读镌刻在三都水族自治县三洞乡水根村"天下第一水族古文字碑林"上的1500余水族古文字者，可予以5万元奖励；凡是能够破译三都县的《九星诵读卷》、《九星卷》、《井巨》、丹寨县的《九星》和独山县的《井巨卷》5部水书典籍者，可予以10万元奖励。

Successful applications in five wells show that polyalcohol drilling fluids can decrease drilling cycle, improve penetration rate, reduce downhole problems and accidents and be helpful to find producing layer but incre...

在玉东 10 2井等 5口井的成功应用表明，聚合醇钻井液能缩短钻井周期，提高机械钻速，减少井下复杂情况与事故，有利于发现油层，值得推广应用。但目前存在钻井液成本较高的问题

On the contrary, the function of the positive defect is to make the depth of the well deeper.

而正缺陷的作用是让势井的深度较其它势井要更深一些。

A test used to determine the open-flow potential and the rational flow regime of a production well.

为确定生产井无阻流量和选择合理的井工作制度所进行的测试。

The structure of potential wells and some properties of depth function of potential well are given.

给出了位势井的结构和位势井深度函数的性质。

The pressure gradient,as one of the most important parameters affecting design and operation of gas-lift well s,is the foundation of gas-lift well design.

压力梯度是气举井设计的基本依据，是影响气举井设计和运行的重要参数。

This article that focuses on the systematic and in-depth research in the current primal problem about abnormal burst pressure reservoir depress burst pressure has procured following main fruits:1 It forms the method which could obtain massive vertical static state mechanics parameters.2 In a foundation of acquisition of rock mechanics parameters,apply bent lamella that as mechanical model along with characteristic of actual geologic characteristics to analysis curvature for anticlinal strcture, get homologous tectonic stress value throug relation between the curvature and stress and different principal curvature in anticlinal structure,consequently set up laminational stress model for anticline reservoir. The block lamination for existed fracturing date has formed method of setting up mechanical model of lamination terrestrial stress by abtaining the block tectonic stress coefficients which are got by complex utilization test, laboratory test and fracturing date playback.3 Analysesing the main reason which lead to high burst pressure by considering the characteristic of reservoir geology,reservoir,and rock mechanics and reservoir damage,etc.Establishing burst pressure quantitative prediction model which provide gist for depressing construction risk and optimizing construction craft under the condition of open hole completion ,gun-perforated completion and damaged reservoir.4 Provding theoretical basis for interpreting acidification pretreatment which could depress busrt pressure by finding the relation between the influencing factors and rock machanics parameters and analysing the factors that have effect on rock mechanics parameters. Expounding the mechanism of reaction of mixed monomineral and acid from the angle of microcosmic element, evaluating quantitatively acid sensilility of different kinds of mineral effectively, and determing the first-order reaction dynamical equation of each mineral.5 Revealing rock mechanics property chage as a result of acid flooding in different condition by sandstone traumata experiment in different temperatures which combined with rock mechanics triaxial stress experiment.6 Associating damage mechanics with sandstone acidizing, established sandstone damage mechanics model in the foundation of the recognition on the rock mechanics parametric variation which is caused by acid-rock reaction in both macroscopic view and microscopic view ,also demonstrated those processes and quantitative estimated the acid busrt pressure to direct the site operation.

本文针对目前异常破裂压力储层降低破裂压力的主要问题展开较为系统和深入的研究，取得了以下主要成果：1形成了利用测井资料，结合室内岩芯测试结果，获取静动岩石力学参数的相关性特征，从而获得纵向上大量静态力学参数的方法。2在获取了岩石力学参数的此基础上，利用弯曲薄板作为力学模型，结合区块实际地质特征对背斜构造进行曲率分析，通过曲率与应力的关系，利用背斜构造不同部位的主曲率求得相应的构造应力值，从而建立起背斜储层的分层应力模型；对已有压裂资料的区块分层，形成了综合利用测试、室内实验、压裂资料反演获得该区块构造应力系数，建立起分层地应力的力学模型的方法。3综合考虑储层地质、油藏、岩石力学特性和储层伤害等因素，分析造成高破裂压力的主要原因，综合利用岩石力学、弹性力学等知识，建立了裸眼完井、射孔完井条件下以及储层受到伤害后的储层破裂压力定量预测模型，为降低施工风险和优化施工工艺提供了依据。4完成了物性、岩性影响岩石力学参数的因素分析，找出了各影响因素和岩石力学参数之间的关系，为从机理上解释酸化预处理降低破裂压力提供了理论基础；从微观元素的角度阐述了单矿物与酸反应的机理；并在此基础上，有效评价了各种矿物的酸敏感性，定量确定了岩石中各矿物的一级反应动力学方程。5完成了不同温度下的酸液类型、酸液浓度、注酸量等一系列砂岩损伤实验，结合岩石力学三轴应力实验，系统揭示了在不同条件下注酸而引起的岩石力学性质变化。6将损伤力学与砂岩酸化相结合，在宏观、微观两个方面认识酸岩反应引起岩石力学参数变化基础上，建立了砂岩损伤力学模型，并对其进行验证，在此基础上定量计算酸化后的破裂压力，有效指导现场施工

Based on the partial differential equation and superposition principle of linear systems, this paper describes the solution to the commingled multiwell well test model.

经过近两年的工作，本文得到了以下成果：一。根据线性系统的理论，在国内外首次实现了多油层多井任意边界油藏，考虑井筒储存和表皮效应的试井模型的求解。

The analysis of the acided-fracturing effect by the transient well test prove to be not all the reservoir that has not the high producibility, the reservoir damage is the dominating factor of the affecting acided-fracturing effect, and that the acided-fracturing...

通过不稳定试井测试对酸化压裂效果的分析证明：并非所有地层都不具备高产能力；对一些原来渗透性小而没有伤害的地层进行酸化压裂也能取得一定的效果，但是对生产井产能的提高作用是很有限的；地层伤害是影响酸化压裂效果的主要因素。

The logging instrument, with 42 mm diameter, a direct proportional counter and a 256 channel pulse height analyser which is controlled by MCS 8098 micro processor, can simultaneously determine the contents of two or more elements and can preform digital recording, digital control and data processing under the control of the micro processor.

该测井仪井下探管外径42mm，以充稀有气体的正比计数器为探测器，以8098微机芯片管理的256道脉冲幅度分析系统，可以一次下井同时测定两种或多种元素含量，实现了在地面计算机控制下的数字传输、数字收录和数据处理。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。