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1)  multilateral well
多分支井
1.
Experimental study of electric analog for the percolation characteristics of multilateral wells at immediate vicinity of wellbore
多分支井近井油藏地带渗流的电模拟实验研究
2.
The calculation model of steam distribution for thermal recovery of heavy oil reservoirs using multilateral wells
稠油热采多分支井蒸汽分配计算模型
2)  multi-lateral well
多分支井
1.
Application of multi-lateral well technology in Liaohe heavy oil reservoirs;
多分支井技术在辽河稠油油藏中的应用
2.
Research on design models of multi-lateral well structure for coal-bed methane;
煤层气多分支井身结构设计模型研究
3)  multilateral wells
多分支井
1.
A model for enhanced coalbed methane and CO_2 sequestration with multilateral wells;
多分支井注气开发煤层气模型
2.
Unsteady dynamic analysis of multilateral wells was analyzed,all this provided necessary theory basis for the productivity prediction of heavy oil reservoir.
针对稠油具有非牛顿流体特性的特点,基于分支井井筒内压降情况,在三维空间内建立了多分支井幂律流体渗流的数学模型,并给出了数值解法,研究了其不稳定压力动态,从而为稠油油藏产能预测提供了理论根据。
3.
The production forecasting about CBM multilateral wells is of guiding significance in many sides such as optimized blocks,economic evaluation and drainage management and so on.
根据多分支井在倾斜煤层不同钻进方式引起的分支井段及末端压降特点,回避煤层气从基质、裂隙系统运移的复杂过程,结合达西定律,分别建立了下倾钻进和上覆钻进两种方式下分支井段内与末端的压降模型、解吸半径模型和产气量预测模型。
4)  multilateral well
多底分支井
1.
Drilling fluid study for multilateral wells and its application in well Hai 14-20;
多底分支井钻井液研究及在海14-20井的应用
5)  multi-branched horizontal well
多分支水平井
1.
A preliminary study on drilling technique of Wu M1-1 CBM multi-branched horizontal well;
武M1-1煤层气多分支水平井钻井工艺初探
2.
Drilling technique of airing under-balance is the main means used in coal-bed methane reservoir with low-pressure and low-permeability for reservoir protection,which has been widely used in multi-branched horizontal wells in coal-bed methane.
充气欠平衡钻井技术是低压低渗煤层气藏储层保护的主要技术手段,在煤层气多分支水平井中得到了广泛应用。
6)  multi-branch horizontal well
多分支水平井
1.
Drilling technology of multi-branch horizontal well;
煤层气多分支水平井钻井工艺研究
2.
Application of CBM multi-branch horizontal well for drilling technology in Fanzhuang Block;
煤层气多分支水平井钻井技术在樊庄区块的应用
3.
Based on analysis on major techniques and mechanism of output growth aiming at increasing CBM recovery, improvement of`dummy layer', integrated development of gas & coal and employment of multi-branch horizontal well technology are effective.
指出改造“虚拟产层”,采煤、采气一体化开发以及应用多分支水平井钻井技术,是提高我国煤层气采收率和实现我国煤层气地面开发商业化切实有效的途径。
补充资料:多苯基多亚甲基多异氰酸酯
    多苯基多亚甲基多异氰酸酯,简称PAPI,或称粗MDI,浅黄色至褐色粘稠液体.有刺激性气味。相对密度(20℃/20 ℃)1.2,燃点218℃。PAPI实际上是由50%MDI与50%官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低,蒸气压低,只是TDI的百分之一,故毒性很低。
    用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
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