改性生物胶压裂液的制备与应用

明华; 翟文; 樊永杰; 江智强; 刘炜

doi:10.3969/j.issn.1001-5620.2016.02.025

改性生物胶压裂液的制备与应用

doi: 10.3969/j.issn.1001-5620.2016.02.025

明华^1,2,
翟文^1,2,
樊永杰³,
江智强⁴,
刘炜⁵

1.
中石油勘探开发研究院廊坊分院, 河北廊坊 065007
2. 中石油油气藏改造重点实验室, 河北廊坊 065007
3. 长庆油田分公司第三采油厂, 银川 750000
4. 长庆油田分公司油气工程研究院, 西安 710021
5. 中国石化江汉油田分公司采油工艺研究院, 武汉 430035

基金项目: 中国石油天然气股份有限公司课题"特低、超低渗油藏高效改造关键技术"(2011B-1202);国家科技重大专项"低渗特低渗油气储层高效改造技术"(2011ZX05013-003)。

详细信息

作者简介:
明华,工程师,硕士,1984年生,从事压裂酸化新材料、新产品的研发工作。电话(010)69213115;E-mail:minghua69@petrochina.com.cn。

中图分类号: TE357.12
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出版历程
- 收稿日期: 2015-11-02
- 刊出日期: 2016-03-31

Preparation and Application of Modified Biopolymer Fracturing Fluid

1.
Langfang Branch of Research Institute of Petroleum Exploration and Development, Langfang, Hebei 065007, China
2. Key Laboratory of Reservoir Stimulation, CNPC, Langfang, Hebei 065007, China
3. No.3 Oil Production Plant of Changqing Oilfield, Yinchuan, Ningxia 750000, China
4. Research Institute of Oil & Gas Engineering, Changqing Oilfield, Xi'an, Shanxi 710021, China
5. Research Institute of Oil Production Technology, Jianghan Oilfield Company, Sinopec, Wuhan, Hubei 430035, China

摘要

摘要:
针对生物胶存在用量高、耐温能力差等问题,通过醚化反应改性得到一种具有分子缔合能力的生物胶FAD-120,形成适合70~130℃致密储层的压裂液体系。研究表明:体系具有速溶、适应高矿化度水、低摩阻、携砂性能强、残渣低、伤害小、安全环保等特点,与瓜胶压裂液相比,具有配方简单、配制方便、水质适应性强、成本低等特点。该体系在长庆油田池228区块现场试验,使用矿化度为3 334 mg/L浅层地下水配液,实现最高砂比为25%,同区块单井加砂量与瓜胶压裂液加砂量相近。生物胶FAD-120压裂液现场应用的成功,对扩大压裂液配液水源、降低压裂液成本以及保障大规模体积改造的顺利实施有重要意义。
- 增产措施 /
- 缔合压裂液 /
- 改性生物胶 /
- 回收再利用 /
- 低成本
Abstract:
FAD-120,a modified (through etherification) biopolymer is made to overcome conventional biopolymer's deficiency,such as high consumption and low temperature stability.FAD-120 is suitable for use in fracturing tight reservoirs,whose formation temperature is in the range of 70-130℃.FAD-120 is ready to dissolve in water,even in high salinity saltwater.FAD-120 solution has low friction coefficient,good sand-carrying capacity and low residue (hence low formation damage),and is environmentally friendly.Fracturing with FAD-120 is much easier to operate than guar gum.FAD-120 is also cheaper than guar gum,and can be used in water of different quality.In a field application in Block Chi-228 in Changqing,shallow underground water having salinity of 3,334 mg/L was used to prepare the fracturing fluid;the maximum sand content was as high as 25%.In the same block,sand consumption in fracturing a single well is almost the same as guar gum fracturing fluid.The success of FAD-120 is of great significance in fracturing fluid preparation with water of different quality,reducing the cost of fracturing fluid,and in ensuring the operation of large-scale volumetric stimulation of reservoir.
- Stimulation measure /
- Association fracturing fluid /
- Modified biopolymer /
- Recycle /
- Low cost

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