作者：吴奇霖¹, 何云腾², 李雁飞¹, 吴辰³, 朱沫³, 李东晖²

作者单位：1. 中海石油（中国）有限公司深圳分公司，广东 深圳 518067;
2. 中国科学院力学研究所，北京 100190;
3. 中海油能源发展装备技术有限公司深圳分公司，广东 深圳 518067

关键词：计量学;单井计量;现场采出液分析;密度整定;石油平台

摘要：

单井多相计量一直是油田迫切需要突破的问题，科氏力流量计以其较高的质量流量精度，实时提供含水率而广受欢迎。但受限于现场条件，作为含水率及体积流量换算的密度参数并不准确或无法提供。基于此阐述一种在油田现场对单井采出液就地进行油水分离及密度检测的方法。以现场实验获取的单井采出液原油，地层水水密度值作为基于科氏力多相计量撬的参数，进行所采样单井的计量测试实验，与平台现有高精度流量计及取样化验含水率数据比对，相对误差在±5%以内。

Field parameter setting of multiphase metering skid and single well metering test
WU Qilin¹, HE Yunteng², LI Yanfei¹, WU Chen³, ZHU Mo³, LI Donghui²
1. Shenzhen Branch of CNOOC (China) Co., Ltd., Shenzhen 518067, China;
2. Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China;
3. Shenzhen Branch of CNOOC Energy Development Equipment Technology Co., Ltd., Shenzhen 518067, China
Abstract: Single-well multiphase metering has always been an urgent problem in oilfields. Coriolis flowmeters are widely popular for their high mass flow accuracy and real-time water cut. However, due to site conditions, the density parameters used as water content and volume flow conversion are not accurate or available. Based on this, a method for on-site oil-water separation and density detection of single-well produced fluid is expounded. Using the single well produced liquid crude oil and formation water density values obtained from field experiments as the parameters of the multiphase metering skid based on Coriolis force, the measurement test experiment of the sampled single well is carried out, which is consistent with the existing high-precision flowmeter and sampling test of the platform. Comparison of moisture content data, relative error within ±5%.
Keywords: metrology;single well metering;field produced fluid analysis;density setting;oil platform
2024, 50(4):31-37,82  收稿日期: 2022-03-07;收到修改稿日期: 2022-07-15
基金项目: 中国科学院战略性先导科技专项(B)类 (XDB22030201)；中国海洋石油总公司十三五重大科技项目联合资助 (CNOOC-KJ 135 ZDXM 22 LTD 03 SZ 2016)
作者简介: 吴奇霖(1981-),男,吉林梅河口市人,高级工程师,主要从事深水气田生产和运行方面的工作。
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