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plugging     
相关语句
  
    WATER PLUGGING IN CHINESE OIL FIFLDS——ITS APPLICATION AND DEVELOPMENT
    我国油田水技术的应用和发展
短句来源
    WATER-SWELLING POLYACRYLAMIDES FOR INJECTION PROFILE CONTROLLING AND WATER PLUGGING IN OIL WELLS
    注水井调剖与油井水用的溶胀型聚丙烯酰胺
短句来源
    An Experimental Study on Modified Sodium Lignosulfonate Used for Subterranean Plugging Agent
    改性木质素磺酸钠水剂的试验研究
短句来源
    Na-HPAN WATER PLUGGING AGENT FOR HIGH TEMPERATURE RESERVOIRS
    Na-HPAN高温水剂
短句来源
    A STUDY AND APPLICATION OF PLUGGING AGENTS IN THE BLOCK WIDE IN WATERSHUTOFF SOUTHWEST CHENGDONG OILFIELD
    埕东油田西区南块整体水中剂的研究和应用
短句来源
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  封堵
    PLUGGING FRACTURE LOST CIRCULATION ZONE OF HORIZONTAL WELL USING TEMPORARY SHIELDED TECHNOLOGY
    用屏蔽暂堵技术封堵水平井裂缝性漏层
短句来源
    COMPARISON STUDY ON THE PLUGGING CAPABILITY OF GELS TO WATER AND OIL
    冻胶类堵剂对油水的不同封堵能力研究
短句来源
    HIGH STRENGTH THIN PLUGGING TECHNIQUE OF FAST SETTING DIVERSION PLUGGING AGENT
    速凝转向堵剂高强度浅封堵技术
短句来源
    Influence factor analysis on the plugging performance of gel plugging agent.
    影响冻胶类堵剂封堵性能的因素分析
短句来源
    The experimental results showed that the non-penetrative drilling/completion fluids had a good plugging capacity to less than 400m slot width samples under 3.5MPa positive pressure differential, and it can form filter cake with 99.999% temporary plugging ratio during 1 to 5 minutes, and the cumulative filter loss are all less than 1ml in 60 minutes.
    研究表明,3.5MPa正压差下非渗透钻井完井液对400μm以内不同宽度级别的裂缝有很好的封堵效果,能够在1~5min内形成暂堵率为99.999%的滤饼,60min内累积滤失量均小于1ml;
短句来源
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  堵塞
    GROWTH OF BACTERIA AND ITS PLUGGING EFFECT IN HIGH PRESSURE MODEL
    细菌在高压模型中的生长状况及堵塞效果
短句来源
    Hydrate Plugging and Preventive Measures in Wen 23 Fault-Block Gas Field
    文23块气田水化物堵塞及预防措施
短句来源
    THE PLUGGING MECHANISM OF WATER INJECTION WELLS IN CHENGBEI AND SUIZHONG 36-1 OILFIELD OF BOHAI
    渤海埕北油田、绥中36—1油田注水井堵塞机理研究
短句来源
    Prediction model for reservoir pores plugging by fine particle migration and its application.
    储集层微粒运移堵塞预测模型及其应用
短句来源
    HARMS OF INNER MESH GRID PLUGGING IN REFORMING REGENERATOR AND ITS COUNTERMEASURES
    重整再生器内网堵塞的危害与对策
短句来源
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  堵漏
    PLUGGING TECHNOLOGY OF THE HIGH WATER LOSS PLUGGING AGENT
    高滤失堵剂的堵漏工艺
短句来源
    Plugging and Releasing Results of DL-93 Loss Circulation Material
    DL-93堵剂的堵漏解堵效果
短句来源
    APPLICATION OF QPL-Y HIGH STRENGTH BOREHOLE PLUGGING AGENT IN ANTILEAKAGE AND LOSS CIRCULATION CONTROL WHILE DRILLING
    QPL-Y高强度井壁封固剂在随钻防漏堵漏工艺中的应用
短句来源
    Application of Strong cohesiveness Plugging Technology to Zhongyuan Oilfield
    强粘接性堵漏技术在中原油田的应用
短句来源
    APPLICATION OF TC-938 PLUGGING AGENT IN LOSS CIRCULATION CONTROL OF WELL RENPING-2
    TC—938堵剂在任平2井堵漏中的应用
短句来源
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      plugging
    Mechanism of deep gel plugging emplacement in a nonhomogeneous reservoir
          
    The process of determining the mechanism of deep gel plugging emplacement in the high-permeability zones of a reservoir is analyzed numerically for small characteristic gelling times.
          
    The factors influencing gel plug emplacement, their breakdown time, and the effect of the plugging on the flow distribution in a reservoir and the water-oil ratio in producing wells after plug emplacement are discussed.
          
    This was caused by mobilizing in situ clay particles that were partially plugging the pore throats.
          
    In order to prevent plugging during deactivation of small diameter (50 μm i.d.) capillary columns for gas and supercritical fluid chromatography, various high temperature deactivation methods were employed.
          
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    Water soluble high polymer solution has been widely used as fracturing fluid, friction-reducing agent and filtration loss agent in fracturing, drilling and well completion etc. To minimize the damage done to the pay zone by high polymers from adsorption and plugging, a kind of efficient controllable delay breaker has been developed. When synthetic polymers(like crosslinked polycrylamide and its derivatives)is used as fracturing fluid in pay zones with temperature lower than 50℃ and permeability less than...

    Water soluble high polymer solution has been widely used as fracturing fluid, friction-reducing agent and filtration loss agent in fracturing, drilling and well completion etc. To minimize the damage done to the pay zone by high polymers from adsorption and plugging, a kind of efficient controllable delay breaker has been developed. When synthetic polymers(like crosslinked polycrylamide and its derivatives)is used as fracturing fluid in pay zones with temperature lower than 50℃ and permeability less than I md., the conventional breaker (inorganic oxidant) is usually inefficient. The Institute has developed a new efficient CB-breaker capable of degrading thoroughly gels in different kinds of water soluble polymer solution (natural or modified vegetable gum, cellulose, synthetic polymer) under temperature higher than 25℃ to minimize damage done to the pay zones. Some modification of prescription and dosage according to the specific conditions of pay zones may do well to control the rate of gel breaking. Laboratory test and field application have both produced satisfactory result.

    合成聚合物(如聚丙烯酰胺及其衍生物)在温度低于50℃,渗透率小于1md油层条件下作压裂液时,使用常规破胶剂(无机氧化剂)往往破胶效果不好。长庆油田研制成功的新型高效CB破胶剂,在25℃以上即能将各类水溶性聚合物溶液(天然的或改性的植物胶,纤维素,合成聚合物)的冻胶彻底降解,对油层伤害可降至最低。室内试验及现场实践应用均获得较好的结果。

    A PMN gel comprised of partially hydrolyzed acrylamide-acrylonitrile copolymer (HPMN) and carboxymethyl cellulose (CMC) with crosslinking agents was prepared and used in well lost circulation. The effects of molecular weight, degree of hydrolysis, amount of HPMN, CMC as well as crlsslimking agents used. pH, temperature and shear degradation on the gelation time and strength of the gel were studied. The experimental results on the spot show that the PMN gel is a pretty well plugging agent for loet circulation....

    A PMN gel comprised of partially hydrolyzed acrylamide-acrylonitrile copolymer (HPMN) and carboxymethyl cellulose (CMC) with crosslinking agents was prepared and used in well lost circulation. The effects of molecular weight, degree of hydrolysis, amount of HPMN, CMC as well as crlsslimking agents used. pH, temperature and shear degradation on the gelation time and strength of the gel were studied. The experimental results on the spot show that the PMN gel is a pretty well plugging agent for loet circulation.

    本文研究了一种由部分水解的丙烯酰胺-丙烯腈共聚物、羧甲基纤维素与交联剂组成的堵漏剂。探讨了共聚物的分子量、水解度和用量,羧甲基纤维素、交联剂类型与用量,含盐量、体系pH及温度对凝胶时间及性能的影响。现场试验表明,该堵漏剂具有良好的封堵性能及效率。

    DL Cement Dispersant is a new type of cement addition for reducingwater--cement ratio, improving cement slurry properties and increasingcement strength. It can be used for thief zone plugging in geologicalexploration drilling and for cementing in oil well drilling. If combinedwith CaCl_2 it improves properties of ordinary portland cement in allaspects.

    DL减阻剂是一种新型水泥外加剂,具有降低水灰比,大幅度改善浆液流动性和增强等优点。既能满足地质钻钻探水泥护壁堵漏用硫铝酸盐地勘水泥的需要,又能用于油井固井注水泥满足泵送减阻的要求,并与CaCl_2复合对普通硅酸盐水泥全面改性有广泛的应用效果。

     
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