绿色环保型阻垢剂的研究与应用

刘通; 赵亚杰; 黄华; 董涛; 刘建刚; 许兴波

doi:10.13639/j.odpt.2015.06.032

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绿色环保型阻垢剂的研究与应用

刘通, 赵亚杰, 黄华, 董涛, 刘建刚, 许兴波

文章导航 > 石油钻采工艺 > 2015 > 37(6): 122-125

刘通, 赵亚杰, 黄华, 董涛, 刘建刚, 许兴波. 绿色环保型阻垢剂的研究与应用[J]. 石油钻采工艺, 2015, 37(6): 122-125. doi: 10.13639/j.odpt.2015.06.032

引用本文:

刘通, 赵亚杰, 黄华, 董涛, 刘建刚, 许兴波. 绿色环保型阻垢剂的研究与应用[J]. 石油钻采工艺, 2015, 37(6): 122-125. doi: 10.13639/j.odpt.2015.06.032

LIU Tong, ZHAO Yajie, HUANG Hua, DONG Tao, LIU Jiangang, XU Xingbo. Research and application of environment-friendly scale inhibitor[J]. Oil Drilling & Production Technology, 2015, 37(6): 122-125. doi: 10.13639/j.odpt.2015.06.032

Citation:

LIU Tong, ZHAO Yajie, HUANG Hua, DONG Tao, LIU Jiangang, XU Xingbo. Research and application of environment-friendly scale inhibitor[J]. Oil Drilling & Production Technology, 2015, 37(6): 122-125. doi: 10.13639/j.odpt.2015.06.032

绿色环保型阻垢剂的研究与应用

doi: 10.13639/j.odpt.2015.06.032

1.
陕西延长石油集团有限责任公司研究院，陕西西安　710075
2.
陕西延长石油集团有限责任公司油气勘探公司，陕西延安　716004

详细信息

中图分类号: TE358.5

Research and application of environment-friendly scale inhibitor

1.
Research Institute, Shanxi Yanchang Petroleum Group Co. Ltd., Xi’an 710075, China
2.
Oil &

摘要: 为了解决下寺湾油田雨岔区块油井管杆结垢严重的问题，通过现场调研和取样化验分析，发现采出水中Ca2+、Mg2+、CO32–、SO42– 等成垢离子含量较高，同时采出水中细菌含量超标，尤其是SRB 菌含量高达103/mL。结合雨岔区块油井结垢的主要原因，室内以聚环氧琥珀酸（PESA）和聚天冬氨酸（PASP）作为主剂，优选了缓蚀剂、杀菌剂、分散剂等助剂，优选出绿色环保型阻垢剂配方，并对其缓蚀阻垢性能、生物降解性能进行了测试。现场应用结果表明，措施井平均Ca2+ 保持率达到81.6%，平均缓蚀率达到80.6%；措施井免修期由75 d 提高到247 d；该阻垢剂体系有较好的阻垢和缓蚀双重功效，能够解决下寺湾油田雨岔区块的油井结垢问题，减少油井维护性作业井次，降低油井生产成本。
- 下寺湾油田 /
- 结垢 /
- 防垢工艺 /
- 阻垢剂 /
- 绿色环保型
Abstract: In order to address the problem of severe scaling in tubing and rod in oil wells on Yucha Block of Xiasiwan Oilfield, field research and sampling inspection revealed that the produced water had a high content of scaling ions like Ca2+, Mg2+, CO32– and SO42–, and also had a high content of bacteria, esp. SRB bacteria, which was up to 103/mL. In consideration of the main causes for scaling in oil wells on Yucha Block, the PESA (Polyepoxysuccinic acid) and PASP (polyaspartic acid) were used as the main agent in lab experiment and such additives as corrosion inhibitor, bactericide, dispersant, etc. were optimized, from which the environment-friendly scale inhibitor formula was chosen, and tests were made on its corrosion and scaling inhibition properties and biodegradation properties. The result of field application shows that the average retention rate of Ca2+ was up to 81.6% and the average inhibition rate was up to 80.6% in stimulated wells. The repair-free period of stimulated wells was increased from 75 d to 247 d. This scale inhibiting system has a double function of scale inhibition and corrosion inhibition, can address the scaling problem in oil wells on Yucha Block of Xiasiwan Oilfield, reduce the maintenance operations on oil wells and reduce oil well production costs.
- Xiasiwan Oilfield /
- scaling /
- anti-scaling technology /
- scale inhibitor /
- environment-friendly

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绿色环保型阻垢剂的研究与应用

doi: 10.13639/j.odpt.2015.06.032

1. 陕西延长石油集团有限责任公司研究院，陕西西安　710075

2. 陕西延长石油集团有限责任公司油气勘探公司，陕西延安　716004

收稿日期: 2019-05-19
修回日期: 2019-05-19
刊出日期: 2016-01-06

中图分类号: TE358.5

关键词:

下寺湾油田 /

结垢 /

防垢工艺 /

阻垢剂 /

绿色环保型

摘要: 为了解决下寺湾油田雨岔区块油井管杆结垢严重的问题，通过现场调研和取样化验分析，发现采出水中Ca2+、Mg2+、CO32–、SO42– 等成垢离子含量较高，同时采出水中细菌含量超标，尤其是SRB 菌含量高达103/mL。结合雨岔区块油井结垢的主要原因，室内以聚环氧琥珀酸（PESA）和聚天冬氨酸（PASP）作为主剂，优选了缓蚀剂、杀菌剂、分散剂等助剂，优选出绿色环保型阻垢剂配方，并对其缓蚀阻垢性能、生物降解性能进行了测试。现场应用结果表明，措施井平均Ca2+ 保持率达到81.6%，平均缓蚀率达到80.6%；措施井免修期由75 d 提高到247 d；该阻垢剂体系有较好的阻垢和缓蚀双重功效，能够解决下寺湾油田雨岔区块的油井结垢问题，减少油井维护性作业井次，降低油井生产成本。

English Abstract

Research and application of environment-friendly scale inhibitor

1. Research Institute, Shanxi Yanchang Petroleum Group Co. Ltd., Xi’an 710075, China

2. Oil &

Received Date: 2019-05-19
Rev Recd Date: 2019-05-19
Publish Date: 2016-01-06

Keywords:

Abstract: In order to address the problem of severe scaling in tubing and rod in oil wells on Yucha Block of Xiasiwan Oilfield, field research and sampling inspection revealed that the produced water had a high content of scaling ions like Ca2+, Mg2+, CO32– and SO42–, and also had a high content of bacteria, esp. SRB bacteria, which was up to 103/mL. In consideration of the main causes for scaling in oil wells on Yucha Block, the PESA (Polyepoxysuccinic acid) and PASP (polyaspartic acid) were used as the main agent in lab experiment and such additives as corrosion inhibitor, bactericide, dispersant, etc. were optimized, from which the environment-friendly scale inhibitor formula was chosen, and tests were made on its corrosion and scaling inhibition properties and biodegradation properties. The result of field application shows that the average retention rate of Ca2+ was up to 81.6% and the average inhibition rate was up to 80.6% in stimulated wells. The repair-free period of stimulated wells was increased from 75 d to 247 d. This scale inhibiting system has a double function of scale inhibition and corrosion inhibition, can address the scaling problem in oil wells on Yucha Block of Xiasiwan Oilfield, reduce the maintenance operations on oil wells and reduce oil well production costs.

刘通, 赵亚杰, 黄华, 董涛, 刘建刚, 许兴波. 绿色环保型阻垢剂的研究与应用[J]. 石油钻采工艺, 2015, 37(6): 122-125. doi: 10.13639/j.odpt.2015.06.032

引用本文:

刘通, 赵亚杰, 黄华, 董涛, 刘建刚, 许兴波. 绿色环保型阻垢剂的研究与应用[J]. 石油钻采工艺, 2015, 37(6): 122-125. doi: 10.13639/j.odpt.2015.06.032

Citation: