新型油井水泥消泡剂的研制

刘建; 肖京男; 王其春; 曾敏; 刘伟

doi:10.3969/j.issn.1001-5620.2018.05.018

新型油井水泥消泡剂的研制

doi: 10.3969/j.issn.1001-5620.2018.05.018

中国石化石油工程技术研究院, 北京 100101

基金项目:

国家重大专项“超深高温高压油气藏固井关键技术”（2017ZX05005005-003）。

详细信息

作者简介:
刘建,工程师,2009年毕业于西南石油大学油气田材料与应用专业获理学硕士学位,主要从事固井水泥浆体系和油井水泥外加剂相关的研究工作。电话(010)84988238;E-mail:liujian6702003@126.com。

中图分类号: TE256.6
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出版历程
- 收稿日期: 2018-05-12
- 刊出日期: 2018-09-30

Development of A New Defoamer for Oil Well Cement Slurry

Sinopec Research Institute of Petroleum Engineering, Beijing 100101

摘要

摘要: 针对油井水泥浆，特别是胶乳水泥浆体系，在配水时和混配时产生大量的气泡，且气泡难以消除导致水泥浆密度降低、下灰和泵送困难的现状。研制出一种新型油井水泥消泡剂，该消泡剂可抑制配浆水泡沫和消除油井水泥混配时的泡沫，针对胶乳水泥浆体系有很好的消泡和抑泡作用。在4 000 r/min的搅拌下，配浆水和油井水泥浆体系的消泡时间小于10 s，发泡高度小于10 mm ；而且对其流变、强度及稠化实验没有负面影响。合成工艺简单，开展了吨级中试，中试产品已经用于现场的固井技术服务，具有推广应用前景。
- 消泡剂 /
- 油井水泥 /
- 胶乳水泥浆 /
- 化学合成
Abstract: Foams developed in mixing oil well cement slurry, especially latex cement slurry, are diffcult to remove and therefore result in cement slurry with reduced density and diffculties in mixing cement and pumping the slurry. A new defoamer recently developed is able to eliminate the foams developed in makeup water and foams developed during slurry mixing. It works very well in mixing latex cement slurry. When agitated at 4,000 r/min, time spent in defoaming makeup water and the cement slurry was less than 10 s, and the foaming height was less than 10 mm. The defoamer imposed no negative effect on the rheology, strength and thickening properties of the cement slurry. The synthetic process of the defoamer is simple. Pilot production product of the defoamer has been used in feld well cementing operations and has good prospects of popularization.
- Defoamer /
- Oil well cement /
- Latex cement slurry /
- Chemical synthesis

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参考文献(11)

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