Optimized Fracture Length of Hydraulic Fracturing for Low-permeability Oil Reservoir 低渗油藏水力压裂裂缝长度优化研究
Effect of diversion section length of primary cyclone separator outlet on oil gas flow in the FCC disengagers FCC沉降器内粗旋出口导流长度对油气流动的影响
Research on the Laser Doppler Measurement Technology for the Length of Continuous Oil Tubes 油管长度激光Doppler测量技术的研究
Changing Rules of the Length and Width and Content of Water in Different Leaf Arrangement of Oil Palm 油棕不同叶序的叶片长宽及其含水量变化规律研究
The specification and length of super-heavy steel rod can be designed effectively after in-putting the oil well data, and all the information can be stored in each corresponding database. 通过输入油井工况数据,利用该软件可有效设计出配重杆的规格及长度等施工数据,并能预测产液量,同时所有信息都能及时存放到各自对应的数据库中。
The studies on growth volume, cellulose and lignin of reeds inside and outside the system and the ratio of length/ width of lignin show that the special thick oil production wastewater has no obvious influence on reed quality and the reed can be reused for papermaking. 对系统内外芦苇的生长量、纤维素、木质素、戊糖及纤维素的长宽比的研究表明,超稠油废水对芦苇材质无明显影响,可回收用于造纸等。
A New Method for Measuring the Actual Length of Oil Tubes 测量下油管实际长度的新方法
It has shown that adopting revolving air flow and adjusting the flame length by changing the strength of revolving for low pressure oil burners is feasible. 结果表明:采用旋转气流及用改变旋流强度的方法来调节低压油烧嘴的火焰长度是切实可行的。
The optimum perforation length of oil wells is designed by optimization. It shows that the critical production rate would be increased when production at the optimum perforation intervals. 对油井的射孔长度进行了优化设计,结果表明按照最优射孔段生产能够显著地提高油井的临界产量。
Research on reasonable free segment length of deep oil well casing string 套管柱悬空段合理长度的研究
The free segment length of deep oil well casing string gives an important influence to the quality and cost of the oil well cementing operation. 深井套管柱悬空段的长度直接关系到固井的质量和成本,是我国深井油田急需解决的问题之一。
This article introduces a computer system which uses sound wave to measure the length of oil pipe. Its measure precision can up to 0. 2 percent, and it has a strong disturb resist capability. 本文介绍一种利用声波测量管长的单片机系统,测量精度可达2‰~3‰,且有较强的抗干扰能力。
Additionally, we find that by increasing the length of the tested fiber and by using silicon oil to strip the cladding mode, the test accuracy will also be improved. 文中还指出,适当地增加被测光纤的长度和在测试时加入匹配液,都将有助于提高测试的准确度。
In case of complete plugging condition, oil injection pressure test shall be used to calculate the length of oil injecting section with injected oil amount and pressure change to define the basic location of the plugged point. 在管道完全堵塞情况下,采用注油试压的方法,利用注油量和压力变化计算出注油管段长度,从而确定堵点基本位置。
Discussion on the limit erosion length of the ocean oil and gas pipeline 海洋油气管道极限冲刷长度的探讨
The Anti-earthquake Length for the Joint Revolution Bellows of Oil Tank and Pipeline 油罐与管道连接波纹管抗震合理长度
A Discussion on Berth Length of Large-Scale Open Oil Terminal 大型开敞式油码头泊位长度的探讨
The HP oil pipes, with great length, a large number of joints and high rated oil pressure, often break off and experience oil leakage at joints, which impacts the normal running of the circuit breaker. 由于高压油管路径长、接头多,额定油压力高,高压油管崩脱、接头渗油现象十分普遍,影响断路器的正常运行。
Determination of Berth Length of Oil Gas Terminal at Semi-open Sea Area 半开敞式海域油气码头泊位长度的确定
A Practical method of Obtaining Allowable Erosion Length of Sea-Bottom Imbeded Oil Pipeline 确定海底埋设输油管线允限冲刷长度的一种实用方法
Fracturing optimization design sensitivity analysis results showed that when the smaller effective thickness of reservoir wells and lower oil saturation, it should enhance fracturing slit length, to increase the area of diarrhea oil and maximize productivity. 压裂优化设计敏感性分析结果表明,当探井储层有效厚度较小、含油饱和度较低时,应尽量提高压裂裂缝缝长,达到增加泻油面积、提高产能的目的。
At present the length of crude oil pipelines installed with leak detection system based on the NPW method has already surpassed 10,000 km in China, which has played a significant role in the pipeline running safety. 我国已经在超过1万公里的原油管道上安装了基于负压波法的管道泄漏监测系统,对管道的安全运行作用显著。
At present, the total length of long-distance oil and gas pipelines have been more than 20 thousand kilometers in China, and the pipeline transportation plays an important role in our economy and industry. 目前中国长距离油气输送管线总长已超过两万公里,管道运输在我国经济和工业中发挥着重要作用。
Meanwhile, the length of oil and gas pipelines also grows day by day for satisfying the rising energy demand. 与此同时,为满足各地不断增长的能源需求,我国油气管道的里程也与日俱增。
With the development of oil and gas industry, the number and length of various oil and gas pipelines are increasing. 随着石油天然气工业的发展,各种油气管道的数量和长度都在不断增加。
The results showed that the interfacial tension can be affected by the length of carbon chain, the length of EO and crude oil. 这说明表面活性剂碳链长度、EO链长及原油都会影响界面张力。
At present, workers still mainly use the traditional manual method to measure the length of oil tubes going down into wells in the oil production. They measure every tube by pulling a tape and record the total number. 目前,石油生产中下井油管长度的测量,仍主要采用传统的人工拉皮尺的方法对每一根管柱进行测量和记录。
Pipeline transportation has been so rapidly developed worldwide that the total length of oil and gas pipelines in the world has reached ( 200-300)× 104 km and increased annually by the rate of 2%-3% to date. 由于管道运输的安全与不间断性,使得管道运输业在世界范围内获得了快速发展。目前世界石油、天然气管道的总长度为(200~300)×104km,并以每年2%~3%的速度增加。
By measuring the length of the oil line pipe, we can easily grasp the progress of the oil collection and adjust the production technology in time. 通过对石油管线管长度的测量,可以方便掌握石油采集的生产进度,及时地调整生产工艺,所以对石油管线管长度的精确测量变得尤为重要。