【摘 要】
:
本文介绍了利用井下强流脉冲放电技术疏通油井、提高产油率的基本原理及其关键技术,并研制出了一套油井疏通用脉冲大电流放电设备样机。储能(2~5)kJ可调,隔离间隙采用场畸变火花开关,水
【机 构】
:
清华大学电机系气体放电与等离子体实验室
论文部分内容阅读
本文介绍了利用井下强流脉冲放电技术疏通油井、提高产油率的基本原理及其关键技术,并研制出了一套油井疏通用脉冲大电流放电设备样机。储能(2~5)kJ可调,隔离间隙采用场畸变火花开关,水开关为同轴型。当储能为3.5kJ时,测得放电电流峰值为9.8kA,电流上升时间为17.6μs。通过现场试验,证明设备工作正常,初步达到应用并提高产油率的目的。
This paper introduces the basic principles and key technologies of using downhole high current pulse discharge technology to clear oil wells and increase oil production rate, and develops a set of prototypes for dredging and discharging large current discharge equipment. Energy storage (2 ~ 5) kJ adjustable, isolated gap using field-distortion spark switch, water switch for the coaxial. When the energy storage is 3.5kJ, the measured peak discharge current is 9.8kA and the current rise time is 17.6μs. Through the field test, it proves that the equipment is working normally, achieving the purpose of initial application and increasing the oil yield.
其他文献
In this paper,we used Saccharromyces cerevisiae(YY) as original strain,and irradiated with 0,5,10,20,40,80 or 160
In this paper, we used Saccharromyces cerevis
The interaction between minerals and heavy metals has been a hot object of study in environmental science, mineralogy and soil science. Through the selective ad
After calculating thermal-rheological properties of the lithosphere in the Northern Jiangsu basin, the Bohaiwan basin as well as the Jiyang depression in the ea
成功地进行盐成像需要对盐边界和其周围的断层做一番精细描述。确定准确的盐边界对于在盐边界含油气远景上倾方向钻井是有必要的,并且有必要划定盐周围的小断层,因为这些小
大陆碰撞的变形序列、缝合带构造变形特征和造山与造盆的关系受到研究者广泛关注。本期封面照片是造山带形成和演化的物理模拟实验结果,显示陆一陆碰撞中造山带的形成和演化序
草甘膦价格跌落谷底后,丁草胺、乙草胺、百草枯三个占市场份额较大的大吨位除草剂品种越来越受到农药企业的关注。近年来,这三个除草剂已成为农民在种植水稻、玉米、油菜、麦
作者在野外考察与室内综合研究的基础上 ,新建“杨林冲组”取代 1988年创建的坪原组作为冷家溪群最上部的地层单位 ,并将原大药姑组分解为两部分 ,分别划归震旦系下统洪江组
预计到2011年,我国丁二烯的总生产能力将达到约270.0万吨/年,成为世界重要的丁二烯生产国家之一。而国内依靠劳动密集出口加工经济受国际环境影响,增长速度减缓,对丁二烯下游
A 2D elastodynamic boundary element method (BEM) is used to solve multiple scattering of elastic waves. The method is based on the integral representation of a
本文介绍了如何用磁矢量成像方法获得磁矢量的分布。
This article describes how to use magnetic vector imaging method to obtain the distribution of magnetic vector