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anti channeling
相关语句
  防窜
     Water injection development for many years causes the bad cementing qualities of the adjustment wells in Jilin oilfield. Therefore, based on a lots of tests, the NCD II complex additives are developed, which have many advantages, such as good anti channeling property, good conductivity, and so on. Field applications in 23 wells show that the qualification rate of cementing is 100% and the high quality rate is 91.3%.
     吉林油田经多年注水开发 ,地下流体流动性强 ,注入压力不断增加 ,导致调整井固井质量较差 ,为此 ,在大量试验的基础上 ,研究出防窜能力强的 NCD- 复合型调整井水泥浆外加剂 ,具有体积微膨、终凝时间短、早强、流动性好等优点 ,在 2 3口井的应用结果表明 ,固井合格率为 10 0 % ,固井优质率为 91.3%。
短句来源
  相似匹配句对
     Anti-S.
     体外模拟试验发现抗S.
短句来源
     Anti-H.
     方法:将H.
短句来源
     RESEARCH AND APPLICATION OF ANTI-CHANNELING MECHANISM IN CEMENTING
     固井防水窜机理研究与应用
短句来源
     Study on anti-channeling foam cement slurry and its application
     防气窜泡沫水泥浆的研究与应用
短句来源
     CHANNELING RADIATION
     沟道辐射
短句来源
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  anti channeling
Anti-channeling baffle rings are typically recommended so liquid can't bypass the screen pack.
      


This paper introduces the experiment research of pressure drop down and bonding strength developing in slurry jellification process during cementing. Through research, the law,characters and its relations effected on pressure drop and bonding strength have been found. In the basis of research work,the critical anti-channeling conditions have been established. For quantity describing pressure balance degree,the concept of pressure balance factor was presented which present a criterion for cementing...

This paper introduces the experiment research of pressure drop down and bonding strength developing in slurry jellification process during cementing. Through research, the law,characters and its relations effected on pressure drop and bonding strength have been found. In the basis of research work,the critical anti-channeling conditions have been established. For quantity describing pressure balance degree,the concept of pressure balance factor was presented which present a criterion for cementing quality analysis and operation plan. On the basis of mechanism, the anti - channeling and lock water additive has been developed for a degree oil well slurry which make slurry bond in short time, critical bonding time short,volumn expansion slightly and bonding strength high in bonding interface , to prevent water channeling after cementing.

本文进行了固井水泥浆凝结过程中压力降落和胶凝强度发展规律实验研究,从中找到了它们的规律和特点及其内在联系。在此基础上,建立防窜临界条件,提出了“压稳系数”概念,用以定量描述固井后对高压水层的压稳程度,为固井质量分析和固井施工设计提供依据。在机理研究的基础上,研制成功锁水抗窜剂,用于A级油井水泥中,使水泥浆具有胶凝强度发展迅速、临界时间短、体积微膨胀、界面胶结强度高等特点,对防止固井后水窜起到了明显效果。

his paper briefly presents the geologic settings of the industrial experimental area of the thblock of Gangxi,procedure of polymer injection and effectiveness evaluation of polymerflooding. The field test results have shown that obvious effects of increasing oil productionrate and reducing water cut have been reached.The ultimate oil increment by polymer flood-ing is expected to be 71686 t,oil incrernent per ton polymer 238 t,and an increase of oil recov-ery 7.4%. The results indicate that high concentration...

his paper briefly presents the geologic settings of the industrial experimental area of the thblock of Gangxi,procedure of polymer injection and effectiveness evaluation of polymerflooding. The field test results have shown that obvious effects of increasing oil productionrate and reducing water cut have been reached.The ultimate oil increment by polymer flood-ing is expected to be 71686 t,oil incrernent per ton polymer 238 t,and an increase of oil recov-ery 7.4%. The results indicate that high concentration polymer flooding,small slug andsmall volume are suitable to the 4th block of Gangxi ’and that anti-channeling measures canimprove the effects of polymer flooding.

本文简要介绍了港西四区聚合物驱工业试验区地质概况和聚合物注入过程,对聚合物驱油效果进行了评价。矿场试验效果说明聚合物驱已明显见到了增油降水效果,预计聚合物驱最终可增产原油71686t,吨聚合物增油量可达238t,提高来收率7.40%。聚合物驱的见效情况说明港西四区适合高浓度、小段塞、低用量的聚合物注入方式;防窜措施可以改善聚合物驱效果。

Oil and gas channeling after cementing is a prominent problem in Baise Oilfield, due to the shallow depth of oil well, the existence of multiple thin and active water/oil layers, shallow gas, and caving in potential. Acoustic amplitude logging shows that there are peaks in water layers, oil reservoirs and isolating layers, which is difficult for production and water injection. Tests and evaluations are carried out to determine the suitable slurry system, and a kind of anti-channeling cement...

Oil and gas channeling after cementing is a prominent problem in Baise Oilfield, due to the shallow depth of oil well, the existence of multiple thin and active water/oil layers, shallow gas, and caving in potential. Acoustic amplitude logging shows that there are peaks in water layers, oil reservoirs and isolating layers, which is difficult for production and water injection. Tests and evaluations are carried out to determine the suitable slurry system, and a kind of anti-channeling cement slurry is selected, which the first and final cementation time, as well as the thickening time is short and compatible, and the static gelling strength develops very rapidly. Field tests in three wells show that this system can efficiently prevent channeling after cementing, and it greatly improves cementing quality.

百色油田的井较浅 ,且油、水层具有多、薄、活跃等特点 ,部分区块有浅气层 ,储层段易垮 ,存在大肚子现象 ,调整井固井后的互窜问题十分突出。固井声幅测井结果表明 :在水层、油层、油水同层及隔层位置都有峰值出现 ,难以满足注采需要。经分析研究和室内试验 ,选用了具有直角稠化 ,初终凝时间与稠化时间短而且相配 ,静胶凝强度发展迅速的防窜水泥浆。经现场 3口井试验 ,该防窜水泥浆能有效地防止固井后发生互窜 ,提高固井质量 ,其中 2口井全优 ,1口井合格。

 
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