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minimum flow rate
相关语句
  最小排量
    DETERMINATION METHOD FOR MINIMUM FLOW RATE OF GRAVEL PACK IN VERTICAL WELL
    垂直井砾石充填防砂最小排量的确定方法
短句来源
    According to the theory of drilling hydraulics,prediction model for mud pump was established on the basis of ensuring minimum flow rate.
    根据钻井水力学理论,在各井段最小排量确定的基础上,建立了泥浆泵泵压、泵功率预测模型。
短句来源
  “minimum flow rate”译为未确定词的双语例句
    Under the following conditions: the inner ID of water injection pipeline is 50mm, the minimum flow rate of polymer injection system is 1. 15 x 10-3/s, well distance over 100m, it is possible to cancel the static mixer.
    在大庆油田采油一厂中丁3-P25井,从站内到井口铺设一条地面管线进行试验。 分析试验结果后认为,在注入管线内径为φ50mm、最小聚合物混合溶液流量为1.15 × 10~-3 m~3/s、井距在 100m以远的条件下,注聚系统取消静态混合器是可行的。
短句来源
    OPTIMIZATION METHOD OF FOAMING AGENT AND ITS INJECTING CONCENTRATION BASED ON MINIMUM FLOW RATE THEORY OF UNLOADING
    基于最小携液流速理论的泡排剂及其注入浓度优选方法
短句来源
    According to the wellhead injection pressure, minimum flow rate of foam and gas, foam column pressure and so on, 5 factors influenced foam drilling operation were taken into account: 1. Taking the gas component of foam as non-ideal gas, the deviation factor Z of gas can be calculated by using Hall-Yarobrough method;
    根据泡沫钻井中井口注入压力、最小泡沫液流量和气体流量、泡沫液柱压力等设计参数,考虑了影响泡沫钻井作业中包含的5个方面的因素:1.将泡沫中的气体组分视为非理想气体,用Hall—Yaro-brough方法计算气体的偏差系数Z;
短句来源
    In the process of fracturing, sand control and sand washing, settling rules of sand grain in the liquid should be studied, thereby to determine the minimum flow rate and other operation parameters in order to prevent sand deposit at the downhole.
    在压裂、防砂及冲砂过程中 ,为防止砂粒在井筒底部沉积 ,需研究砂粒在液体中的沉降规律 ,从而确定最低排量等施工参数。
短句来源
    Based on the minimum flow rate theory of unloading for gas wells, the improved Tuener model is applied to form a set of methods to optimize the foaming agents for gas recovery by water drainage with foam.
    以气井最小携液流速理论为基础,选用改进后的特纳携液模型,形成一套泡沫排水采气用泡排剂的优选方法。
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  minimum flow rate
As liquid flow rate is above the minimum flow rate which overcomes the liquid phase resistance, the SO2 absorption rate is controlled by resistance in the gas phase and the membrane.
      
The critical (minimum) flow rate of the fuel sufficient for flame projection is determined, as well as the delay between fuel ignition and flame projection with subsequent establishment of external combustion.
      
They were present above a minimum flow rate and in a range of equivalence ratios that increased slightly with flow rate and centred around stoichiometry.
      
A regime with minimum flow rate may relate to the growth of a lava dome following the explosive phase of eruption.
      
The aim of the present study was to establish a minimum flow rate value at which a reliable bladder pressure measurement can be made with this catheter.
      
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There were two problems exist in conventional foam low-pressure drilling technology. One problem was that the foam can only be used once, this made the foam drilling cost increase greatly, moreover, pollute the environment seriously; Another problem was that parameters like quallty, density of downhole foam and so on changed with the change of surface temperature and pressure because of the compressibility of foam. This made the job design complicated. In order to solve the two problems, the formulation of foam...

There were two problems exist in conventional foam low-pressure drilling technology. One problem was that the foam can only be used once, this made the foam drilling cost increase greatly, moreover, pollute the environment seriously; Another problem was that parameters like quallty, density of downhole foam and so on changed with the change of surface temperature and pressure because of the compressibility of foam. This made the job design complicated. In order to solve the two problems, the formulation of foam was optimized. The adoption of circularing foam system equipment made foam be used many times but air can be emitted into atmosphere. According to the wellhead injection pressure, minimum flow rate of foam and gas, foam column pressure and so on, 5 factors influenced foam drilling operation were taken into account: 1. Taking the gas component of foam as non-ideal gas, the deviation factor Z of gas can be calculated by using Hall-Yarobrough method; 2. The friction loss resulted from solid collision and friction; 3. Critical submerged speed of detritus; 4. The wellhead maximum foam quality was set at 0. 96, the downhole minimum foam quallty was 0. 55; 5. Gas/llquid flow rate was determined by submerged speed of detritus. And stipulated that the flowing velocity of foam should be 10% higher than submerged speed at the same depth. 10% was regarded as safety additional factor. Job parameters were calculated systematically and computer software were designed. Six wells were executed on site with all of them succeeded.

常规泡沫低压钻井工艺技术存在两个问题,一是泡沫的一次性使用.使泡沫钻井成本大大增加、同时严重污染环境;二是由于泡沫流体的可压缩性,随着地面温度、压力的变化,井下泡沫质量、密度等参数也随之变化,增加了施工参数设计计算的复杂性。为解决以上两个问题,优选了泡沫液配方,采用了循环泡沫系统装备流程,使泡沫基液可循环使用,而空气排放到大气中。根据泡沫钻井中井口注入压力、最小泡沫液流量和气体流量、泡沫液柱压力等设计参数,考虑了影响泡沫钻井作业中包含的5个方面的因素:1.将泡沫中的气体组分视为非理想气体,用Hall—Yaro-brough方法计算气体的偏差系数Z;2.由于固相碰撞和摩擦所造成的摩擦损失;3.岩屑的临界下沉速度;4.规定了井口最大泡沫质量为0.96,井底最小泡沫质量为0.55;5.根据岩屑的下沉速度确定气液排量,并规定在同一井深,泡沫流动速度应高出岩屑下沉速度10%,作为安全附加系数。对施工参数进行了系统的计算,并编制了软件程序。经现场6井次施工,均获得成功。

Under the following conditions: the inner ID of water injection pipeline is 50mm, the minimum flow rate of polymer injection system is 1. 15 x 10-3/s, well distance over 100m, it is possible to cancel the static mixer. Through mixing in injection pipeline, then the mixed liquid gets to the injection well, The mixed liquid can completely reach the mixing target of design requirement.

静态混合器是三次采油聚合物注入站用于母液和清水混合的一种专用设备。这种聚驱用静态混合器是从化工行业移植过来的,没有针对聚合物溶液的特殊要求进行专门设计。在大庆油田采油一厂中丁3-P25井,从站内到井口铺设一条地面管线进行试验。分析试验结果后认为,在注入管线内径为φ50mm、最小聚合物混合溶液流量为1.15 × 10~-3 m~3/s、井距在 100m以远的条件下,注聚系统取消静态混合器是可行的。通过注入管线的混合作用,到注入井井口,混合指标完全可以达到设计要求。 1998年在采油一厂89 口注入井推广应用。取消静态混合器不但可以减少注入站的基建投资,还可以消除由静态混合器带来的粘度损失。

Appraisal of oilfield production efficiency demonstrates the critical change of oilfield development from production-oriented to benefit-oriented style, and provides valuable parameters in determining investment, lowering cost and improving oilfield economic benefits. With the en single-well's try of Tarim oilfield's produce to medium to high water cuts, according to single-well's different technical and economical conditions, this paper establishes model and chart for the present economic minimum flow rate,...

Appraisal of oilfield production efficiency demonstrates the critical change of oilfield development from production-oriented to benefit-oriented style, and provides valuable parameters in determining investment, lowering cost and improving oilfield economic benefits. With the en single-well's try of Tarim oilfield's produce to medium to high water cuts, according to single-well's different technical and economical conditions, this paper establishes model and chart for the present economic minimum flow rate, maximum water cut, and well-stimulation economic minimum oil increment in single-well. These results gave a convenient tool for appraisal of well production and stimulation.

对油田效益进行评价 ,这是油田开发工作由产量主导型向效益主导型转变的重要体现 ,对明确投资方向、降低成本、提高油田经济效益 ,均具有重要的指导意义 ;在塔里木油田开发进入中、高含水期时 ,为了适应油田单井不同的地质、开发和经济条件 ,研制了单井经济极限产量、极限含水、措施经济极限增油量图版 ,这些研究为单井当前的效益分析、措施效益评价等 ,提供了一种灵活的查询和分析工具

 
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