渤海油田稠油精准测试技术

Well Testing(2019)

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Abstract
渤海油田稠油测试作业期间,稠油及天然气计量误差大,气量小时无法计量.运用保温管、地面蒸汽加热同心管,从井下到计量罐全流程加热保温,降低原油黏度;对分离器内部进行改造,采用差压式液位变送器、聚结式过滤器、精密气体计量管汇等技术,实现对稠油和天然气产量的精准计量.案例C井原油比重0.9884(20℃)、黏度2680.45 mPa·s(50℃),采用稠油精准测试技术,消除了稠油中的泡沫,使油气分离更彻底,取得了准确的油气产量数据.该技术可获取油田后续开发需要的常规气样和分离器配样等,为开发方案编制提供可靠依据.
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