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viscosity recovery
相关语句
  粘度恢复
     For AP4 solutions of concentration 800 and 1000 mg/L,having been sheared at 45℃ and different shear rates 200—1550 s~(-1) in 2 minutes,the viscosity retention is of 30—20%,the viscosity recovery on standing is of 80—130% and the recovery is incomplete(<100%) at lower shear rates;
     浓度800和1000 mg/L的AP4溶液在45℃、不同剪切速率(200~1550 s-1)下剪切2 min后,粘度保留率(30%~20%)和静置时粘度恢复率(80%~130%)相当分散,剪切速率低时粘度恢复率<100%;
短句来源
     for 1500 mg/L AP4 solution,the effects of shear rate on the viscosity retention(~10%) and on the viscosity recovery(>100%) are notably reduced.
     对于浓度1500 mg/L的AP4溶液,剪切速率对粘度保留率(~10%)和粘度恢复率(>100%)的影响大大减小。
短句来源
     Therefore, the author divided the flow regions of the weak gel around the permeability adjusting/oil displacing well into three different regions as follows: high velocity shearing region near the wellbore, transitional regions and viscosity recovery region which is far from the wellbore.
     依此,可将调驱井周围弱凝胶流动区域划分成三个不同流动区域:近井地带的高流速剪切区,过渡区,远井粘度恢复区。
短句来源
     When it achieve large area of radial flow, weak gel's viscosity recovery even increase is the main purpose of formula and construction parameter.
     在远井处弱凝胶粘度恢复甚至增加,是配方和施工参数的主要目标,是调驱成功的关键;
短句来源
     The rheologic behavior and the viscosity recovery form shearing for hydrophobically associating polymer solutions are explained in terms of destroy and regeneration of intra-and intermolecular association under shearing and on standing.
     从分子内和分子间缔合结构在剪切作用下的破坏和再生解释了疏水缔合聚合物溶液的流变性和剪切后粘度恢复性。 图6表2参11。
短句来源
  “viscosity recovery”译为未确定词的双语例句
     The viscosity recovery accounts 94.5% (at 95℃) and 70.0% (at 135℃) of the initial values when shearing at lower rate, 80 s-1, after having been sheared at high rate, 500 s-1;
     高速(500s-1)剪切后,在低速下(80s-1)粘度可恢复到初始值的94.5%(95℃下)或70.0%(135℃下);
短句来源
  相似匹配句对
     the initial viscosity
     AS-BOZ在室温下为晶体,在89℃熔化,90℃时的起始粘度为
短句来源
     On the Right of Recovery
     归入权问题之研究
短句来源
     Recovery factor
     采收率
短句来源
     The viscosity of Lb.
     caseiZhang活菌数为最高。 24h发酵结束时,Lb.
短句来源
     Progress in Viscosity Reducing Technologies for Recovery of Viscous Crude Oils
     稠油降黏开采技术研究进展
短句来源
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  viscosity recovery
A predetermined optimum adsorbent mixture (2% pekmez earth, 3% bentonite and 3% magnesium silicate by weight) was applied for colour and viscosity recovery of used oil.
      
The time it takes to achieve 50% viscosity recovery or some other fraction of the original value can be used to indicate the rate of recovery.
      


The performance peroperties of heat resistant delayed organic boron crosslinker OB200 in 5 g/L hydroxypropyl guar (HPG) aqueous gelling fracturing fluid and related influencing factors are investigated and its uses in 7 wells are briefly presented. For the OB200/HPG fluid, the gelation (crosslinking) time is as long as 4.7—5.6 min at pH=11.5 and at temperatures 5—35(40)℃; the gelled fluid without gel breaker added completely breaks down in 8 hrs at 115—135℃ and the mechanisms of autobreakdown of OB200 system...

The performance peroperties of heat resistant delayed organic boron crosslinker OB200 in 5 g/L hydroxypropyl guar (HPG) aqueous gelling fracturing fluid and related influencing factors are investigated and its uses in 7 wells are briefly presented. For the OB200/HPG fluid, the gelation (crosslinking) time is as long as 4.7—5.6 min at pH=11.5 and at temperatures 5—35(40)℃; the gelled fluid without gel breaker added completely breaks down in 8 hrs at 115—135℃ and the mechanisms of autobreakdown of OB200 system are discussed; the gelled fluid maintains viscosity>120 mPa·s after shearing at 135℃ and 170 s-1 in 2 hrs; The viscosity recovery accounts 94.5% (at 95℃) and 70.0% (at 135℃) of the initial values when shearing at lower rate, 80 s-1, after having been sheared at high rate, 500 s-1; the filtrate loss of the fluid is low with filtration coefficient of 6.93×10-4 m/(min)1/2 at 95—135℃; the residue content is low and accounts 319 mg/L at 135℃ in 20 hrs in comparison with 364 mg/L for a borax crosslinked fluid at 90℃ and 457 mg/L for an organic Ti crosslinked fluid at 135℃; the damage of artificial core permeability by this fluid is in range 5.74—9.66% and of 7.32% in average while that by an organic Ti crosslinked fluid — 24.07—29.98% and 27.09% in average. In districts Qiaokou and Hubuzhai, Zhongyuan, the reservoir formations of sections 2 706—3 769 m in 7 wells are hydrofractured by using this fluid with 100% succesfulness of jops and increase in oil/gas productivity is observed.

报道了实验考察高温延缓型有机硼交联剂OB 200在5g/L羟丙基瓜尔胶水基压裂液中的各项性能及其影响因素的结果,简述了在7口井上应用该压裂液的情况。OB 200/HPG压裂液在pH=11.5、温度5~35(40)℃时交联时间长达4.7~5.6min;不加破胶剂的压裂液在温度115~135℃时,8h内可完全破胶液化,讨论了OB 200体系的自动破胶机制;在135℃、170s-1条件下剪切2h,压裂液粘度>120mPa·s;高速(500s-1)剪切后,在低速下(80s-1)粘度可恢复到初始值的94.5%(95℃下)或70.0%(135℃下);在95~135℃滤失小,滤失系数为6.93×10-4~9.81×10-4m/(min)1/2;残渣含量低,135℃下破胶20h后为319mg/L,而对比硼酸盐压裂液(90℃)和有机钛压裂液(135℃)分别为364和457mg/L;在人造岩心上测得渗透率伤害率在5.74%~9.66%,平均7.32%,而对比有机钛压裂液为24.07%~29.98%,平均27.09%。在中原油田桥口和户部寨地区7口井2706~3769m井段用该压裂液压裂,施工成功率100%,获得了油、气增产效果。...

报道了实验考察高温延缓型有机硼交联剂OB 200在5g/L羟丙基瓜尔胶水基压裂液中的各项性能及其影响因素的结果,简述了在7口井上应用该压裂液的情况。OB 200/HPG压裂液在pH=11.5、温度5~35(40)℃时交联时间长达4.7~5.6min;不加破胶剂的压裂液在温度115~135℃时,8h内可完全破胶液化,讨论了OB 200体系的自动破胶机制;在135℃、170s-1条件下剪切2h,压裂液粘度>120mPa·s;高速(500s-1)剪切后,在低速下(80s-1)粘度可恢复到初始值的94.5%(95℃下)或70.0%(135℃下);在95~135℃滤失小,滤失系数为6.93×10-4~9.81×10-4m/(min)1/2;残渣含量低,135℃下破胶20h后为319mg/L,而对比硼酸盐压裂液(90℃)和有机钛压裂液(135℃)分别为364和457mg/L;在人造岩心上测得渗透率伤害率在5.74%~9.66%,平均7.32%,而对比有机钛压裂液为24.07%~29.98%,平均27.09%。在中原油田桥口和户部寨地区7口井2706~3769m井段用该压裂液压裂,施工成功率100%,获得了油、气增产效果。图5表4参3。

Commercial hydrophobically associating polymer AP4 for EOR is synthesized from acrylamide,sodium acrylate,and alkyldimethylallylammonium chloride and has molar mass 1.7×10~6,hydrolysis degree 18.2%,hydrophobe content <1%,and critical association concentration,CAC,1000 mg/L as determined from its viscosity-concentration curve.The experimental solutions of AP4 is prepared in a fresh water of TSD=487 mg/L and the solution viscosity is determined at 45℃ and 7.34 s~(-1).On viscosity-shear rate(0.1—1000 s~(-1)) curves...

Commercial hydrophobically associating polymer AP4 for EOR is synthesized from acrylamide,sodium acrylate,and alkyldimethylallylammonium chloride and has molar mass 1.7×10~6,hydrolysis degree 18.2%,hydrophobe content <1%,and critical association concentration,CAC,1000 mg/L as determined from its viscosity-concentration curve.The experimental solutions of AP4 is prepared in a fresh water of TSD=487 mg/L and the solution viscosity is determined at 45℃ and 7.34 s~(-1).On viscosity-shear rate(0.1—1000 s~(-1)) curves of AP4 solutions of concentration ≤CAC,an oscilation region,being more intensive and wider extending for lower concentrated solutions,is observed at low shear rates and followed by pseudoplastic and dilatant flow regions;for solutions of concentration ≥CAC,these curves can be divided into Netownian,pseudoplastic,and dilatant flow regions.These curves in pseudoplastic region fit well to the power law and the width of pseudoplastic region,the rheological parameters K and n are presented for 7 solutions of different concentration(400—2000 mg/L).For AP4 solutions of concentration 800 and 1000 mg/L,having been sheared at 45℃ and different shear rates 200—1550 s~(-1) in 2 minutes,the viscosity retention is of 30—20%,the viscosity recovery on standing is of 80—130% and the recovery is incomplete(<100%) at lower shear rates;for 1500 mg/L AP4 solution,the effects of shear rate on the viscosity retention(~10%) and on the viscosity recovery(>100%) are notably reduced.The rheologic behavior and the viscosity recovery form shearing for hydrophobically associating polymer solutions are explained in terms of destroy and regeneration of intra-and intermolecular association under shearing and on standing.

提高采收率用商品疏水缔合聚合物AP4为丙烯酰胺、丙烯酸、烷基二甲基烯丙基氯化铵共聚物,分子量1.7×106,水解度18.2%,疏水基含量<1%,由粘浓曲线求得临界缔合浓度CAC为1000 mg/L。用矿化度487 mg/L的清水配制AP4溶液,溶液粘度在45℃、7.34 s-1测定。AP4溶液45℃粘度-剪切速率(0.1~1000 s-1)曲线,溶液浓度≤CAC时在低剪切速率下出现振荡,振荡强度和振荡区宽度随溶液浓度降低而增大,之后出现假塑性和胀流性;溶液浓度≥CAC时依次出现牛顿性、假塑性和胀流性。假塑性区流变曲线符合幂律,给出了不同浓度(400~2000 mg/L)的7个AP4溶液的假塑性区宽度,K和n值。浓度800和1000 mg/L的AP4溶液在45℃、不同剪切速率(200~1550 s-1)下剪切2 min后,粘度保留率(30%~20%)和静置时粘度恢复率(80%~130%)相当分散,剪切速率低时粘度恢复率<100%;对于浓度1500 mg/L的AP4溶液,剪切速率对粘度保留率(~10%)和粘度恢复率(>100%)的影响大大减小。从分子内和分子间缔合结构在剪切作用下的破坏和再生解释了疏水缔合聚合物溶...

提高采收率用商品疏水缔合聚合物AP4为丙烯酰胺、丙烯酸、烷基二甲基烯丙基氯化铵共聚物,分子量1.7×106,水解度18.2%,疏水基含量<1%,由粘浓曲线求得临界缔合浓度CAC为1000 mg/L。用矿化度487 mg/L的清水配制AP4溶液,溶液粘度在45℃、7.34 s-1测定。AP4溶液45℃粘度-剪切速率(0.1~1000 s-1)曲线,溶液浓度≤CAC时在低剪切速率下出现振荡,振荡强度和振荡区宽度随溶液浓度降低而增大,之后出现假塑性和胀流性;溶液浓度≥CAC时依次出现牛顿性、假塑性和胀流性。假塑性区流变曲线符合幂律,给出了不同浓度(400~2000 mg/L)的7个AP4溶液的假塑性区宽度,K和n值。浓度800和1000 mg/L的AP4溶液在45℃、不同剪切速率(200~1550 s-1)下剪切2 min后,粘度保留率(30%~20%)和静置时粘度恢复率(80%~130%)相当分散,剪切速率低时粘度恢复率<100%;对于浓度1500 mg/L的AP4溶液,剪切速率对粘度保留率(~10%)和粘度恢复率(>100%)的影响大大减小。从分子内和分子间缔合结构在剪切作用下的破坏和再生解释了疏水缔合聚合物溶液的流变性和剪切后粘度恢复性。图6表2参11。

 
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