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1)  liquid nitrogen cleanup
液氮助排
1.
A novel efficient flow back technology was developed that integrated liquid nitrogen cleanup, fibre sand control with open flow optimization technology through many years exploration and research.
通过多年的探索和研究,发展了一套高效返排技术:液氮助排+纤维防砂+优化放喷技术,探讨了液氮降滤、助排-纤维固砂和携砂的机理,优化了液氮加量、纤维加量和放喷油嘴尺寸,并对液氮的加入方法进行了优化研究,完善了该套返排技术。
2)  optimization amount
液氮助排剂
3)  drainage with liquid nitrogen
液氮排液
4)  injection and flow back of liquid Nitrogen
液氮注排
5)  liquid drainage with nitrogen
氮气排液
1.
By analyzing two methods of liquid drainage technology widely adopted in the field, we put forward the optimization design process of liquid drainage with nitrogen by coiled tubing in this paper.
在重点分析现场采用的两种连续油管携氮气排液工艺方法及特点的基础上,提出了连续油管携氮气排液优化设计流程。
6)  Dan-shen root with azone
丹参氮酮助渗液
1.
The 301 patients with hypertrophic scar were randomly divided into two groups: one treated with elastic cloth paste (including silicone)contained in Dan-shen root with azone,and the another treated with only elastic cloth paste(including silicone).
目的 观察 5 %丹参氮酮助渗液对瘢痕的治疗效果并探讨其作用机理。
补充资料:助排剂
分子式:
CAS号:

性质:能帮助酸化、压裂等作业过程中的工作残液从地层返排的化学品。要求该剂本身具有很低的界面张力,一般需8mN/m以下,对地层的吸附力尽可能低,对其他工作液不发生作用,同时对地层不产生伤害。经常应用的有非离子表面活性剂等。

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