随钻声波测井仪数据高速下载实现  

Realization of High Speed Download for Mass Data of Acoustic Logging While Drilling Tool

作　　者：罗博 谢荣清[1] 仇傲[1] LUO Bo;XIE Rongqing;QIU Ao(Well-Tech Institute, China Oilfield Services Limited, Sanhe, Hebei 065201, China)

机构地区：[1]中海油田服务股份有限公司油田技术研究院,河北三河065201

出　　处：《测井技术》2022年第1期7-10,共4页Well Logging Technology

基　　金：十三五国家科技重大专项“随钻多极子声波成像测井仪研制”(2017ZX05019002-006)。

摘　　要：随钻声波测井仪在井下工作时间长、数据量大,传统的数据下载方式速率较慢,不能满足实际测井作业需求。介绍了基于USB转串口的随钻声波测井仪内存数据下载系统,RS-422总线波特率达1 Mbit/s,实际下载速率达78.4 kB/s,能够长时间稳定地下载测井数据。实验室测试和现场作业实际下载结果表明,该方案完全满足设计要求,并且适用于其他随钻仪器。The acoustic logging while drilling(LWD)tool has a long working time in the well and a large amount of logging data.The traditional data downloading method is slow,which cannot meet the requirements of the actual logging work.This article introduces a memory data download system based on USB to serial converter.The baud rate of RS-422 bus is 1 Mbit/s and the download speed of memory data is 78.4 kB/s,which can download logging data stably for a long time.Laboratory tests and actual download results of the actual logging work show that the program fully meets the requirements of design requirements,which is also suitable for other LWD tools.

关 键 词：随钻声波测井仪 海量数据 USB转串口 高速下载 

分 类 号：P631.84[天文地球—地质矿产勘探]