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  group
    Research on Depositional Systems and Prediction on Favorable Sandstone Body of Lower Member of Lower Ganchaigou Group in Southwestern Area of Qaidam Basin
    柴达木盆地西南区下干柴沟下段沉积体系及有利砂体预测
短句来源
    OSTRACODA OF NENJIANG GROUP,CRETACEOUS IN SONGLIAO BASIN AND ITS EVOLUTION FEATURES
    松辽盆地白垩系嫩江的介形类化石及演化特征
短句来源
    RESERVOIR SPACE TYPE AND DIAGENESIS OF DONGYING GROUP SANDSTONE IN TAOYUAN STRUCTURE OF LIAOHE BASIN
    辽河盆地桃园构造东营砂岩的储集空间类型及成岩作用
短句来源
    Ascertainment of Partially Rich Oil Gathered Blocks of Low Permeability in Yanchaug Group of East Gansu Area
    陇东地区延长低渗透油层局部富集区块的确定
短句来源
    Technology Design for Chengbei 35 well Group Platform and Submarine Pipeline Oil-Gas Gathering and Transferring System
    埕北35井平台及海底管道油气集输系统的工艺设计
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  formation
    Reservoir Description and Simulation of Shahejie Formation, Gudong Oilfield
    孤东油田沙河街油藏描述与数值模拟
短句来源
    Research for Sediment System, Reservoir Character and Oil-reservoir Formation of Yanchang Formation, Triassic,Ordos Basin
    鄂尔多斯盆地三叠系延长沉积体系、储层特征及油藏成藏条件研究
短句来源
    Study on the Structural Characteristics and Reservoir Forming Model of Neogene Guantao Formation in Jiyang Depression
    济阳坳陷馆陶构造特征及成藏模式研究
短句来源
    The Comprehensive Study of Reservoir of Feixianguan Formation in Lower Triassic Series, Northeast Sichuan
    川东北地区下三叠统飞仙关储层综合研究
短句来源
    Early Predication of the Reserve of the Reef Gas Pool and Its ControllingRange in Changxing Formation of Permian in Eastern Sichuan
    川东地区二叠系长兴礁气藏储量及其控制范围早期预测
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  set
    A Detecting System for the pump Efficiency of Reciprocating pump Set
    往复泵泵效率检测系统
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    Measurement and Analysis of Acoustic Emission Signal for a Set of Rock Samples
    一岩样声发射信号的测量及频谱分析
短句来源
    Oil and Gas Migration and Pool-forming History in Tazhong Area-Taking CⅢ Oil Set as an Example
    塔中地区CⅢ油油气运移及成藏史初探
短句来源
    and auxiliary, 3.0. With this set of chemicals a super-heavy crude oil/water (70∶30) emulsion of viscosity (at 30℃ and 28.38 s~(-1)) 40.0 mPa·s is prepared; with 1.0 g/L stabilizer introduced additionally, the viscosity of the O/W emulsion formed is decreased to 30.0 mPas;
    助剂3.0。 用该乳化药剂制备的油水体积比70∶30水包油乳状液,30℃、28.68s-1粘度为40mPa·s,另加入1.0g/L稳定剂可使乳状液粘度降至30mPa·s;
短句来源
    The volume of LPS injected is of 0.5 PV. For the core set of higher permeability ratio (14.9 against 5.74) in profiling/displacing experiments on paralell double cores, the percentage of LPS entered into the lower permeable core is higher (16% against 2%) and the enhancement in oil recovery is higher (28.5% against 210%), too.
    并联双岩心调驱实验结果表明,岩心渗透率级差较大时(14 9对5 74),进入低渗岩心的LPS比例较大(16%对2%),岩心采收率提高幅度也较大(28 5%对21 0%)。
短句来源
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  series
    The Comprehensive Study of Reservoir of Feixianguan Formation in Lower Triassic Series, Northeast Sichuan
    川东北地区下三叠统飞仙关储层综合研究
短句来源
    On the other hand,reservoir simulation shows that 80.8% remained oil is distributed on the flooded area and 79.7% in the main production layer in H2Ⅲ series of strata.
    数值模拟显示,下二门油田H2Ⅲ油交联聚合物驱后80.8%的面积已为中强水淹,纵向上79.7%的剩余油分布于主力油层。
短句来源
    STUDY ON THE APPLICATION OF L-HM ANTI-WEAR HYDRAULIC OIL FROM THE BLEND OF NAPHTHENE-BASE OIL AND TEA OIL IN COMBINED PRESS SERIES
    以环烷基油和茶油调合生产L-HM抗磨液压油在联合压榨机中的应用研究
短句来源
    THE ORIGIN AND DISTRIBUTION OF DOLOSTONE IN FEIXIANGUAN FORMATION IN LOWER TRIASSIC SERIES, NORTHEAST SICHUAN
    川东北下三叠统飞仙关白云岩成因及分布
短句来源
    Distribution of Remained Oil of H_2 Ⅲ Series of Strata after Cross-Linked Polymer Flooding
    下二门油田H2Ⅲ油交联聚合物驱后油藏剩余油分布特征
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  group
In all these cases we actually show that Γ=π1(M) has a finite index subgroup which is mapped onto a nonabelian free group.
      
We define a map from an affine Weyl group to the set of conjugacy classes of an ordinary Weyl group.
      
Open subsets of projective spaces with a good quotient by an action of a reductive group
      
The aim of the paper is to describe all open subsets of a projective space with an action of a reductive group which admits a good quotient.
      
Reductive group actions on affine quadrics with 1-dimensional quotient: Linearization when a linear model exists
      
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  formation
In the present study, two of the probable an umor marine compounds, manzamine A and sarcophine, were screened using benzo[a]pyrene (BP)-derived DNA adduct formation in MCF-7 cells as intermediary biomarker.
      
Most of the compounds were found to be very potent inhibitors of malondialdehyde (MDA) formation at 10-3M.
      
However, no significant inhibitory effect was obtained on superoxide anion formation.
      
Results of clone formation and Flow cytometry analysis (FCAS) suggested that prodigiosin has the capability of restraining mitosis by regulating the cell cycle.
      
These corresponding chalcones were reacted with phenyl hydrazide in glacial acetic acid, which led to the formation of novel 4-[5-(substituted phenyl)-1-phenyl-4,5-dihydro-1H-3-pyrazolyl]-2-methylphenol derivatives.
      
更多          
  set
We define a map from an affine Weyl group to the set of conjugacy classes of an ordinary Weyl group.
      
The propertyC1 resp.C2 is equivalent withG having a compact set of generators, resp.
      
Xi defined a partition ofWf into canonical right cells and the right order ≤R on the set of cells.
      
Let ζ-1/2 be the inverse on the set of regular elements ofu of a square root of the discriminant of.
      
We do this by using an explicit set of coordinates on the Schubert cell.
      
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  series
Finally we show for more than half of the infinite series that a presentation for the fundamental group of the space of regular orbits ofW can be derived from our presentations.
      
We consider 3-parametric polynomialsPμ*(x; q, t, s) which replace theAn-series interpolation Macdonald polynomialsPμ*(x; q, t) for theBCn-type root system.
      
This is done using a descending series associated to the complex structure and the Borel spectral sequences for the corresponding set of holomorphic fibrations.
      
The list consists of many series defined by simple equations, and of several exceptional superalgebras, among themE(3, 6).
      
We motivate and prove a series of identities which form a generalization of the
      
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  其他


The characteristic features of an experimental bit are related. The experimental bit is the main equipment used in studying the forces to which the journal bearings of the tricone bit are subjected. The experimental bit is designed according to the basic parameters of XHP215ZY-3 type bit produced by the Chengdu Petroleum General Machinery-Building Plant of The Sichuan Petroleum Industry Administration.Through experiments a set of curves are recorded. The radial and axial loads on the big and small journal bearings...

The characteristic features of an experimental bit are related. The experimental bit is the main equipment used in studying the forces to which the journal bearings of the tricone bit are subjected. The experimental bit is designed according to the basic parameters of XHP215ZY-3 type bit produced by the Chengdu Petroleum General Machinery-Building Plant of The Sichuan Petroleum Industry Administration.Through experiments a set of curves are recorded. The radial and axial loads on the big and small journal bearings of each cone are obtained, and the load distribution percentages on the cones and bearings are calculated. The result of data processing has proved the design of the experimental bit to be successful and the recorded curves of load variations with time to be reliable. Meantime, the experiments concerning the influence of vertical relative positions of cones on their bearing loads are described. At the end of this paper, several opinions on the present design of this type of bit are pat forward.

本文叙述了我室研究三牙轮滑动轴承钻头,其轴承受力分析时所用到的“试验钻头”的特点,该试验钻头是按四川石油局成都石油总机厂生产的XHP 215zy—3型钻头基本参数设计并制造的、通过试验,获得了一记录曲线,经整理并计算出了各牙轮轴大小滑动轴承的径向和轴向负荷,以及各牙轮的载荷分配百分比。数据处理结果说明试验钻头设计是成功的,各种载荷随时间而变化的记录曲线是可靠的。同时还开展了人为地变化牙轮高度对轴承受力影响的试验,最后提出了我们对该型钻头现有设计中几点讨论意见。

:

大庆油田从投入开发到1981年底,油、水井套管损坏井占投产井数的9.8%。套管损坏井的分布规律是:构造高点多而集中;翼部少而分散,东翼少于西翼;断层附近多而一般地区少;水井多而油井少。初步研究认为,套管损坏与断层分布和地层泥岩有密切关系。 高压注水导致套管损坏加剧。主要是:高压层挤压低压层,低压层产生横向流动;高压注水压开油层原生裂缝,引起油层破裂,加剧层间水窜。 断层的现今复活运动对套管损坏十分明显,断层的现今复活必须具备两个条件:第一,断层面充水产生“润滑”,有利于岩块活动。第二,断层两侧地层压力不平衡,达到足以移动岩块的一定能量。 大庆油田萨零底~萨二顶泥岩是损坏套管的“危险段”,存在两层膨润土层,富含蒙脱石,遇水体积膨胀可达28~68倍。 利用材料断裂力学原理计算出:水井放喷作业引起疲劳裂纹扩展的压力界限(门槛值)为45大气压。

Surface wettability study of two carbonate reservoir rocks of Chuanzhong and Renqiu oil fields by means of measuring contact angles are described in this paper. A self-designed glass-teflon apparatus is given in detail. Four couples of rock samples can be tested in one run, and contamination of the sample can be eliminated. The surfaces of the two reservoir rocks are found to be oil wet. The rock surfaces of Chuanzhong oil field can be changed into water wet with increasing aqueous salinity or pH-value,

本文记述了用测接触角法研究两个储层基质渗透率极低的碳酸盐岩油藏岩石表面润湿性的方法。详细介绍了本研究工作中制做的接触角测试装置。装置是用玻璃和聚四氟乙烯制做的,每次实验可以同时做四岩样,解决了实验中岩石表面的污染问题并提高了工作效率。研究结果表明,两个油藏的储层岩石表面都是亲油的;川中油藏岩石表面的润湿性随水相矿化度或pH值增大可由亲油转变为亲水。

 
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