苏北盆地台兴油田注水水质对储层的伤害和对策

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基金项目: 中国新星石油公司科研项目(XYK2000-24).

DAMAGES OF INJECTION WATER QUALITY TO RESERVOIRS IN TAIXING Oil field AND THEIR COUNTERMEASURES

1.
Wuxi Research Institute of Experimental Petroleum Geology, SEPRI, SINOPEC, Wuxi, Jiangsu 214151, China
2. Pilot Production Party of East China Bureau of Petroleum, SINOPEC, Taizhou, Jiangsu 225300, China

摘要: 根据台兴油田的储层和流体特征,分析了注水水质对储层的伤害因素和机理。水敏伤害和注入水与地层水不配伍产生沉淀和结垢是吸水能力下降的主要因素。及时、定时、定量投加经济高效的防膨剂和防垢剂是提高水质的关键。
- 对策 /
- 伤害 /
- 储层 /
- 水质 /
- 注水 /
- 台兴油田
Abstract: The factors and mechanisms of damages of injection water quality to reservoirs are analysed,based on the characteristics of reservoirs and fluids from Taixing Oil field.It is considered that water absorptivity is mainly affected by water sensitive damages and precipitation and scaling caused by the incompatibility between injection and formation waters.The key to improved water quality lies in economic and effective autiexpander and anti scale being dosed timely,regularly and quantitatively.
- countermeasure /
- damage /
- reservoir /
- water quality water /
- injection /
- Taixing Oil field

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