Experimental Study on Characteristics of Massive Fracturing Flow Back Fluid

Modern Environmental Science and Engineering Pub Date : 2022-09-08 DOI:10.15341/mese(2333-2581)/09.08.2022/001

Q. Wang

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Abstract

In Daqing oilfield, the produced water from fracturing cannot consistently meet the standard, especially the suspended solids. In order to improve the current produced water treatment, the basic properties of produced water from fracturing are monitored and analyzed, the separation properties of fracturing fluid, fracturing produced water and ordinary produced water were investigated and compared. Experimental results show that the separation of the fracturing produced water is more difficult than that of ordinary produced water, separation measures should be strengthened to improve the separation efficiency. Filtration technology has obvious effect on the removal of suspended solids. Centrifugal separation technology has a good effect on the treatment of fractured water, but which need to consider the size, construction investment, operation and maintenance costs and other factors. Air flotation technology has obvious effect on the removal of oil and suspended solids, the removal rate of oil content and suspended solids in more than 73.4 percent and 63.6 percent separately, industrial application can be considered. Key words: the fracturing fluid, the produced water, the basic characteristics, the separation characteristics

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大规模压裂返流液特性实验研究

大庆油田压裂采出水不能始终符合标准，特别是悬浮物。为了改进现有的采出水处理方法，对压裂产出水的基本性质进行了监测和分析，对压裂液、压裂产出水和普通产出水的分离性质进行了研究和比较。实验结果表明，压裂采出水的分离难度大于普通采出水，应加强分离措施，提高分离效率。过滤技术对悬浮物的去除效果明显。离心分离技术对压裂水的处理效果较好，但其中需要考虑规模、建设投资、运行维护费用等因素。气浮技术对浮油和悬浮物的去除效果明显，含油量和悬浮物的去除率分别在73.4%和63.6%以上，可考虑工业应用。关键词:压裂液，采出水，基本特性，分离特性

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来源期刊

Modern Environmental Science and Engineering

CiteScore

0.30

自引率

0.00%

发文量