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- With the development of drilling technology, more borehole information is needed to know while drilling and the mud pulse telemetry now hardy meets the requirement of intelligent drilling. 摘要隨著(zhù)鉆井技術(shù)的發(fā)展，需要了解的井下信息越來(lái)越多，泥漿脈沖隨鉆信息傳輸難以滿(mǎn)足智能化鉆井要求。
- Mud pulse MWD can not be used when too much gas or air in drilling fluid, and therefore electro-magnetic telemetry has speedily developed as an alternative. 鉆井液氣體較多時(shí)泥漿脈沖方法也難以應用，而電磁波隨鉆遙測技術(shù)作為一種替代技術(shù)近年來(lái)發(fā)展很快。
- Also air bladder and sand contained in mud, type of mud affect attenuation of mud pulse signal. 鉆井深度、泥漿中的氣泡量、含砂量和泥漿類(lèi)型對信號衰減有一定的影響。
- The paper introduces three basic working styles of signal transmission of mud pulse MWD sys tern,pressure positive pulse, pressure negative pulse and continuous pressure wave. 介紹了泥漿脈沖隨鉆測量系統信號傳輸的3種基本工作方式:壓力正脈沖、壓力負脈沖和連續壓力波。
- 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. 泥漿脈沖信號在傳輸過(guò)程中主要受鉆探泵、井底動(dòng)力機、泥漿中的氣泡及活動(dòng)鉆具的干擾;
- Mud Pulse Measurement While Drilling System 泥漿脈沖隨鉆測量系統研究
- They are either transmitted to surface by mud pulses, or else recorded downhole and retrieved later when the instrument is brought to surface. 兩種方式或者通過(guò)泥漿脈沖將信息傳輸到地表,或者在井下記錄,或者在將工具帶到表面之后再進(jìn)行檢索。
- The tuck slowly ploughed through the mud. 車(chē)在泥濘中吃力地緩慢行駛。
- An unwanted false electronic pulse. 一種不希望有的假電子脈沖。
- A passing car splashed mud on my new trousers. 路過(guò)的一輛車(chē)把泥水濺到我的新褲子上了。
- The mud was soft and our feet sank in. 泥很軟，我們的腳都陷進(jìn)去了。
- The truck bespattered my clothes with mud. 卡車(chē)濺得我滿(mǎn)身衣服都是泥漿。
- The heavy wheels churned the earth into mud. 笨重的車(chē)輪將大地碾成了泥漿。
- She combed the mud out of the dog's fur. 她梳去狗的皮毛中的泥土。
- Her clothes were bespattered with mud. 她的衣服濺上了泥污。
- He knew the pulse of the nation. 他了解國民的心態(tài)。
- As the bus passed, it spattered mud on my clothes. 公共汽車(chē)開(kāi)過(guò)時(shí)濺了我一身泥。
- The doctor took my temperature and my pulse. 醫生量了量我的體溫和脈搏。
- He removed the mud from his shoes. 他去掉鞋上的泥。
- The excitement quickened my pulse. 激動(dòng)使我的心跳加快。
