据初步调查,事故系矿井下电缆短路引发火灾。
An initial investigation indicates the fire was caused by a short circuit in underground cables.
一种外置式井下电缆防护套,涉及一种油气井井下电缆配套装置。
The utility model discloses an external underground cable protective sleeving, relating to an assorted device for oil and gas well underground cables.
17日20时10分许,陕西省韩城市桑树坪小南沟煤矿井下电缆着火,造成28名矿工遇难。
All of the 28 miners who were working in the shaft were killed when an underground cable caught fire at about 8:10 pm at Xiaonangou coal mine at Sangshuping Township of Hancheng City.
合理选择井下低压电缆截面,可为提高供电质量提供客观依据。
It can be to improve the quality of supply that the reasonable selection of underground low voltage cable cross section.
在单芯电缆测量的脉冲中子氧活化仪器中,如何从地面实现对井下中子管的控制是一个非常复杂的问题。
How to control the downhole tool's neutron tube from the surface is a complex problem in the pulse neutron oxygen activation logging tool, which measures through a single core cable.
流量计采用单芯电缆完成对井下集流器、电路板供电,同时单芯电缆还完成两路流量信号、压力及温度信号的传输。
The flowmeter provides one core cable to supply power for the packer and downhole circuit of the flowmeter, at the same time, the signal transmit through the cable.
常规7芯铠装测井电缆的传输特性并不适于高速传输井下视频数据。
The transmission characteristics of conventional 7-conductor armored logging cable is not good to transmit video data with high-speed.
目前我国煤矿井下通讯基本上是有线装置,依靠电缆传输信息,一旦发生事故,通信马上中断。
At present, we use wire communication underground coal mine in our country. Information is transmitted by electric cable. When the accident happened, the communication is discontinued at once.
文章介绍了单芯电缆高速传输井下视频数据技术的电路实现。
High speed down-hole transmission technology of video data with a single cable is introduced in this article.
井下声波电视测井图上的一种异常现象。在电缆提升的过程中,由于下井仪器在井中的不稳定运动,而在阴极射线管上显示出异常的一种效应。
On borehole televiewer logs. An unusual effect produced on the cathode-ray tube display by erratic movement of the tool as it drags along the borehole.
电缆粘卡是裸眼井测井中最容易发生的井下事故。
The logging cable stuck is a prevailing downhole accident in the open hole logging.
由于煤矿井下地面潮湿,电缆腐蚀严重,信号不好,有线通信装置维护困难。
It is difficult to maintenance the wire communication device in the pit because the ground is wet, cable corrosion is serious and sign al is bad.
测量数据存储在井下仪器内部,可在地面进行回放读取,且无需电缆供电传播波形的质量很高,可用于高级后处理。
Memory data stored in the tool can be accessed on surface without requiring power through the wireline cable, and delivers the highest quality waveforms for use in advanced post-processing.
针对实时测量钻井漏失层位的迫切需要,研制电缆式井下测漏仪具有很大的实际意义。
Aiming at urgent requirement of drilling leakage zone in real time measurement, the development of wireline downhole leak detector has prodigious practice sense.
煤矿井下的特殊环境限制了现有的以光纤或视频电缆为传输介质的矿井视频监视系统的推广应用。
The special circumstance of mine limits the abroad application of existing mine video supervising system which is based on fiber medium and video cable medium.
对高压电力电缆辐射热缩式接头性能及辐射热缩式接头工艺进行分析,并提出了在煤矿井下应用注意事项。
This paper analyses function and technology of high voltage power cable radiation connector, puts forward matters needing attention in underground coal mine.
这种情况下,一旦电缆作业不可能时随钻测井确保了井下的一些测量。
In these situations, the LWD measurement ensures that some measurement of the subsurface is captured in the event that wireline operations are not possible.
其目的是对井下失真信号在地面进行软件补偿和校正 ,以克服电缆、温度等原因造成的信号失真。
The self adaptive filter can reshape downhole signals, and the distorted signals are compensated and rectified by software on surface.
在注水井带压测试工艺中,由于注水压力的影响,测井电缆依靠自身质量无法向井下输送,为此开发研制了测井电缆带压下井输送器。
Due to high water injection pressure, it is difficult to transport the logging cable into water injection WLL by its own weight during well logging process.
电缆绞车下放和提升电缆(把电缆下放到井下和从井下提升上来),深度轮驱动深度系统,数据记录仪包括数字记录器和打印绘图仪。
The winch lowers and raises the cable in the well. A depth wheel drives the depth recording system. The data recorder includes a digital recorder and a printer.
通过动力电缆给井下直线电机供电后产生交变磁场,永磁体动子在交变磁场作用下带动泵柱塞上下往复运动,从而达到举升抽油的目的。
Under the action of variation magnetic field, the permanent magnet moving-coil drives the plunger pump to move up and down and lift oil up to ground.
通过动力电缆给井下直线电机供电后产生交变磁场,永磁体动子在交变磁场作用下带动泵柱塞上下往复运动,从而达到举升抽油的目的。
Under the action of variation magnetic field, the permanent magnet moving-coil drives the plunger pump to move up and down and lift oil up to ground.
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