摘要
长庆白豹油田在油田的开发过程中存在着比较严重的结蜡问题，影响原油的正常生产。本文分析了白豹油田结蜡井的原油和蜡样：结蜡井原油中蜡含量高，在15％一20％，胶质和沥青质含量相对较小；蜡样碳数分布主要集中在C26～C39，以微晶蜡为主。应用原油动态结蜡率测试仪和流变仪两种方法测试了MH化学固体防蜡器的性能，它能降低高含蜡原油粘度〉80％，降低原油凝点达11℃，防蜡率可达到75％以上。MH化学固体防蜡器在白豹油田现场试验15口油井。现场试验表明，化学固体防蜡器应用后，抽油机载荷明显低于加药前，且能有效地减少常规的清防蜡作业。延长检泵周期。
Paraffin deposit is serious in Baibao oilfield and affect ordinary production during the oil development.This paper analyzes the crude oil and wax in BaiBao oilfield： the wax content in crude oil in paraffine-troubled well is high,15 %~20 %,the colloid and asphaltene conents is lower, the carbon number distribution of wax chiefly concentrates in C26~C39,primarily microcrystalline wax.The performance of solid anti wax dynamic wax deposition rate tester and rheometer. The apparatus MH is tested with crude oil paraffin inhibitor can reduce the vis- cosity of waxy crude,〉80 %.The oil freezing point is lowered 11 ℃.The anti-wax effect is up to 75 %.Solid anti-wax apparatus MH are tested in 15 oil wells in BaiBao oil field.The results of field tests show a lower pumping unit beam load,less normal paraffin removal and control work,a longer maintenance period of pumping wells.
出处
《石油化工应用》
CAS
2013年第6期96-99,共4页
Petrochemical Industry Application
关键词
微晶蜡
固体防蜡
原油粘度
原油凝点
载荷
microcrystalline wax
solid paraffin control
crude oil viscosity
oil freezing point
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