石油井下P～t测试仪动态不确定度分析  

Analysis of dynamic uncertainty on oil downhole P～t tester

作　　者：王乐[1] 裴东兴[1] 崔春生[1] 

机构地区：[1]中北大学仪器科学与动态测试教育部重点实验室电子测试技术重点实验室,山西太原030051

出　　处：《电子测试》2012年第1期9-12,共4页Electronic Test

基　　金：山西省回国留学人员重点科研资助项目(编号:2008003)

摘　　要：新世纪以来,中国石油工业面临着产量在不断的下降,需要二次开采等诸多问题和挑战,射孔作为打开石油产层的关键技术,射孔瞬间动态压力参数为评价射孔施工效果,深化射孔工艺机理研究,新的射孔产品研发等提供理论依据。本文在新概念动态测试理论的基础之上,分别从灵敏度标定引起的不确定度、温度漂移修正不准引起的不确定度以及加速度效应修正不准引起的不确定度这3个方面,展开对石油井下P～t测试仪的不确定度分析,给出了压阻式压力传感器动态不确定度评定方法。Since the new century,China＇s petroleum industry is facing many problems and challenges,that the constantly decline in production,need for secondary exploitation and so on,perforation is the key technology to open the oil producing formation,perforation instantaneous dynamic pressure parameters provide a theoretical basis for evaluating of perforating effecting,deepen the mechanism of perforation process and new perforation product development.Based on the new concept of dynamic testing theory,This paper analyses the oil underground P～t tester uncertainty from three aspects,which caused by sensitivity calibration,inaccurate temperature drift correction and inaccurate acceleration effect modification,and given the evaluation method of piezoresistive pressure sensor＇s dynamic uncertainty.

关 键 词：射孔 新概念动态测试理论 P^t测试仪 不确定度 压阻式压力传感器 

分 类 号：TE927[石油与天然气工程—石油机械设备]