A method and device for online magnetic resonance multiphase flow detection

被引：13

作者：

Deng Feng ^{[1
]}

Xiong Chunming ^{[1
]}

Chen Shiwen ^{[1
]}

Chen Guanhong ^{[1
]}

Wang Mengying ^{[1
]}

Liu Huabing ^{[2
]}

Zhang Jianjun ^{[1
]}

Lei Qun ^{[1
]}

Cao Gang ^{[1
]}

Xu Dongping ^{[4
]}

Tao Ye ^{[1
]}

Xiao Lizhi ^{[3
]}

机构：

[1] PetroChina Res Inst Petr Explorat & Dev, Beijing 100083, Peoples R China

[2] Beijing Limecho Technol Co Ltd, Beijing 100089, Peoples R China

[3] China Univ Petr, Beijing 102249, Peoples R China

[4] China Acad Railway Sci Corp Ltd, Inst Comp Technol, Beijing 100081, Peoples R China

来源：

PETROLEUM EXPLORATION AND DEVELOPMENT | 2020年 / 47卷 / 04期

基金：

中国国家自然科学基金;

关键词：

multiphase flow; magnetic resonance (MR); flow rate; phase holdup; detection method; detection device; PERMANENT-MAGNET; NMR; DESIGN; SYSTEM;

D O I：

10.1016/S1876-3804(20)60101-X

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Most multiphase flow separation detection methods used commonly in oilfields are low in efficiency and accuracy, and have data delay. An online multiphase flow detection method is proposed based on magnetic resonance technology, and its supporting device has been made and tested in lab and field. The detection technology works in two parts: measure phase holdup in static state and measure flow rate in flowing state. Oil-water ratio is first measured and then gas holdup. The device is composed of a segmented magnet structure and a dual antenna structure for measuring flowing fluid. A highly compact magnetic resonance spectrometer system and intelligent software are developed. Lab experiments and field application show that the online detection system has the following merits: it can measure flow rate and phase holdup only based on magnetic resonance technology; it can detect in-place transient fluid production at high frequency and thus monitor transient fluid production in real time; it can detect oil, gas and water in a full range at high precision, the detection isn't affected by salinity and emulsification. It is a green, safe and energy-saving system.

引用

页码：855 / 866

页数：12

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