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利用放磁测井和测压试井法确定试井钢丝的深度误差
Determination of Depth Error of Slickline Using Radioactive and Magnetic Logging Tehniques and Pressure Survey Testing Method
【摘要】 钢丝试井法所用钢丝因其在井下的伸长与电缆不同,且无法进行深度校正,因此难以保证所测资料的准确,为了解决这一问题,本文利用在标准井里的放射性标志层,采用放射性和磁定位测井技术,结合压力梯度测试方法,对试井钢丝的深度校正进行了研究,给出了计算试井钢丝深度误差的经验公式。
【Abstract】 Slickline for well testing has the elongation different from electric cable, and is impossible to be depth correlated, therefore the accuracy of test data can’t be guaranteed. To solve the problem,this paper, making use of the radioactive reference lamina, adopting radioactive logging and magnetic locating techniques,combined with preesure gradient testing method,studies on depth correlation of well testing slickline,and generates an empirical formula for calculating depth error of slickline.
【关键词】 试井;
测量误差;
深度校正;
近似计算;
【Key words】 Well Testing; Measurement Error; Depth Correction; Approximate Calculation;
【Key words】 Well Testing; Measurement Error; Depth Correction; Approximate Calculation;
- 【文献出处】 油气井测试 ,Well Testing , 编辑部邮箱 ,1997年01期
- 【分类号】TE3
- 【被引频次】1
- 【下载频次】101