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涠洲12-1油田中块油井结垢防治 被引量:5

Oil well anti-scaling in middle block of Weizhou 12-1 oilfield
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摘要 涠洲12-1油田位于南海西部海域,富含SO42-的注入水(海水)与含有Ba2+、Sr2+的地层水不配伍,导致该油田中块油井结垢现象严重。所结垢为硫酸钡锶垢,硫酸钡含量约占70%,硫酸锶含量约占30%。分析了成垢机理,并对可能的7种防垢方案进行了对比分析,认为注入井调剖与油井注防垢剂组合方案是涠洲12-1油田中块油井防垢的最佳方案。 Weizhou 12-1 oilfield is located in the western of the South China Sea. The serious scal- ing has occurred in the oil wells in the middle block of the oilfield, due to the incompatibility between injected sea water with rich SO4^2- and formation water with rich Ba^2+, and Sr^2+. The scale is the barium strontium sulfate scale, containing 70% barium sulfate and 30% strontium sulfate. Through analyzing the mechanism of scale formation and evaluating 7 probable anti-scaling methods, it is deemed that the combined method of profile controlling in injectors plus anti-scaling agent in producers is the best anti-scaling plan for the oil wells in middle block of Weizhou 12-1 oilfield.
出处 《中国海上油气(工程)》 2006年第4期264-266,共3页 China Offshore Oil and Gas
关键词 涠洲12-1油田 硫酸钡锶垢 成垢机理 组合防垢 Weizhou 12-1 oilfield barium strontium sulfate scale mechanism of scale formation combined anti-scaling
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参考文献4

  • 1巨全义.油田地层水中硫酸钡结垢的防治[J].油田化学,1987,4(1):9-15.
  • 2戴彩丽,赵福麟,冯德成,卞超峰,任熵.涠洲12-1海上油田硫酸钡锶垢防垢剂研究[J].油田化学,2005,22(2):122-125. 被引量:20
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二级参考文献3

  • 1蔡淑姜.HPAM防硫酸锶钡垢的效果[J].石油钻采工艺,1988,10(3):91-95.
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