This paper introduces mud-pulse transmission, electromagnetic transmission, acoustic transmission and optical fiber transmission.
本文对泥浆脉冲传输、电磁传输、声波传输和光纤传输分别进行介绍。
Mud pulse modulation data flow is thin, but current transmitter as far distance transmission means has been widely applied other field, technology is mature.
泥浆脉冲方法目前应用较多，但数据流量稀疏，电流环技术作为远距离传输手段已被广泛的应用于其它领域，技术成熟。
Mud positive pulse generator is the core accoutrement of MWD and LWD system.
泥浆式正脉冲发生器是目前MWD无线随钻系统、LWD无线随钻系统的核心装备。
In the course of transmission, mud pulse signal mainly disturbed by drilling pump, engine in the bottom hole, air bladder contained in mud and movement of drilling equipment.
泥浆脉冲信号在传输过程中主要受钻探泵、井底动力机、泥浆中的气泡及活动钻具的干扰；
With some well drilling engineering in Changqin Oilfield as the background, this paper introduces a pattern identification method for signal demodulation with mud pulse testing slope sensor.
以长庆油田某钻井工程为背景，介绍了泥浆随钻测斜仪信号解调的模式识别方法。
Under regular drilling conditions, the velocity of negative mud pulse is higher than that of positive ones about 10 percent.
在常规钻井条件下，负脉冲信号的传输速度比正脉冲信号约高出1 0 %。
Under regular drilling conditions, the velocity of negative mud pulse is higher than that of positive ones about 10 percent.
在常规钻井条件下，负脉冲信号的传输速度比正脉冲信号约高出1 0 %。
应用推荐