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producing pressure drop
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  生产压差
     According to onsite data and the correlation of sand production rate to oil properties, perforation extent, producing pressure drop and reservoir properties, the favorable values of the parameters controlling sand flow are derived, that is, oil density lower than 0.96g/cm~(3), perforation extent lower than 40%, producing pressure drop lower than 4MPa, shale content 10.5%-16% and porosity lower than 30%.
     统计分析现场资料,研究吨油出砂量与原油性质、射孔程度、生产压差和储集层性质的相关关系,确定油层控制出砂的参数有利值为:原油密度小于0.96g/cm3,射孔程度小于40%,生产压差小于4MPa,泥质含量为10.5%~16%,孔隙度小于30%。
短句来源
     Traditional productivity prediction of oil wells in stress-sensitive reservoirs is studied by assuming that the deformation coefficient of the formation is constant, which may result in significant errors in the prediction of the oil well productivity especially when the producing pressure drop is high.
     对于变形介质油藏油井产能预测问题,传统的研究方法均假设地层岩石的变形系数为常数,这导致了目前的变形介质油藏产能预测模型不能准确地反映出油井产能的变化趋势,尤其在生产压差较大的情况下,误差较大。
短句来源
     As for sensitivity brought by stress, the producing pressure drop should be controlled strictly within 0.2 MPa to 8 MPa, or raised adequately if the reservoir permeability is under 0.2×10 -3 μm 2.
     微粒迁移可通过提高生产压差解决 ,而防止大压差生产所引起的应力敏感则必须严格控制生产压差在 0 .2~ 8MPa范围内 ; ,对渗透率低于 0 .2× 1 0 - 3μm2 的储层则可适当放大生产压差
短句来源
     The full core productivity simulation test result showed that, when the producing pressure drop was 6 MPa, T 3x 4 gas reservoir might reach to the commercial production standard of 5 X 10 3m 3/d; and while the pressure drop in creased to 10 MPa, the single-well production was (25-30) X 10 3m 3/d. Therefore it is a low productivity gas reservoir.
     岩心产能全模拟试验表明 ,当生产压差为 6MPa时 ,香四段气藏可达到 0 .5× 10 4m3 /d工业产气标准 ,当生产压差增至 10MPa时 ,单井产量可达到 (2 .5 3.0 )× 10 4m3 /d ,为一低产能气藏。
短句来源
     The basic contents of systematic sanding prediction cover the qualitative sanding prediction, the critical producing pressure drop prediction of sanding, and the sanding radius prediction under practical producing conditions.
     系统出砂预测的基本内容包括定性出砂预测、出砂临界生产压差预测以及实际生产条件下的出砂半径预测。
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  “producing pressure drop”译为未确定词的双语例句
     5. The simulating experiment of higher producing pressure drop under fully simulatingformation condition shows that the formation permeability residual is decreasing with the increasing of experiment pressure drop
     5.在全模拟地层条件大压差开采时,随着实验流动压差的增加,储层渗透率剩余系数降低。
短句来源
     when formation pressure is kept constant, the possibility of shear failure of perforation holes and sand production increases with the increase of producing pressure drop.
     当地层压力恒定时 ,随着开采压差的增大 ,射孔孔眼发生剪切屈服、出砂的可能性随之增大
短句来源
     The coning of bottom water will happen as soon as the producing pressure drop of a well is higher than the difference of gravity caused by the difference of density between oil and water.
     当油井生产形成压力降落大于油水密度差引起的重力差时 ,砂岩底水油藏锥进即会发生。
短句来源
     However, water producing of gas wells will make the effective permeability decreasing, the producing pressure drop additionally increasing, the productivity of gas wells decreasing and the scale of production decline obviously increasing, which influence single well more greatly.
     但气井出水会造成有效渗透率下降,生产压差额外增加,导致气井产能下降,产量递减幅度明显增大,这对单井影响较大;
短句来源
     From laboratory evidences,the high oil saturation bank was formed in front of burning zone,and mainly producing pressure drop concentrated on the high saturated oil region during fire flooding.
     实验证据显示,在燃烧带前缘存在高含油饱和度带,在该区域压降较其他区域集中。
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  相似匹配句对
     pressure;
     压力;
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     The Pressure Affecting on Yeast and Producing Trehalose
     压力对酵母菌及其产海藻糖的影响
短句来源
     High Pressure Technology Used in Food Producing
     应用于食品加工领域的超高压技术
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     water pressure;
     (3)在振荡腔内的和水楔作用;
     (4) producing;
     (4)作品制作;
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Considerial the characteristics of Bamianhe viscous oil fault block reservoir,this paper presents five measures of enhancing water drive recovery efficiency,stimulation and stable production,They are alternating water injection and viscous oil injection,using recycle sea water.changing the completion performation and sand control technique,in-creasing the temperature of oil measures and rational adjusting producing pressure drop etc. There is reference sense for the same type viscous oil fault block reservoir....

Considerial the characteristics of Bamianhe viscous oil fault block reservoir,this paper presents five measures of enhancing water drive recovery efficiency,stimulation and stable production,They are alternating water injection and viscous oil injection,using recycle sea water.changing the completion performation and sand control technique,in-creasing the temperature of oil measures and rational adjusting producing pressure drop etc. There is reference sense for the same type viscous oil fault block reservoir.

针对八面河油田稠油断块油藏特点,提出了交替注水注稠油、利用海水回注、改变完井射孔和防砂技术、提高油层温度、合理调整生产压差等五项提高水驱采收率、增产稳产措施。这对于同类型稠油油藏也具有参考意义。

This paper presents a research method of production capacity for new oil fields. This method involves determining the original pressure system and setting up some correlations in terms of a few data of selective production test for single and commingled pay zones. These correlations are relation of oil productivity index per meter against air permeability, relation of used thickness against perforated thickness of pay zones and relation of reasonable producing pressure drop against the formationsaturation...

This paper presents a research method of production capacity for new oil fields. This method involves determining the original pressure system and setting up some correlations in terms of a few data of selective production test for single and commingled pay zones. These correlations are relation of oil productivity index per meter against air permeability, relation of used thickness against perforated thickness of pay zones and relation of reasonable producing pressure drop against the formationsaturation pressure difference. Except for above instances, production capacity of Qiuling oil field is predicted and comparing it with practical case is given.

新油田生产能力的研究方法主要包括:根据少量的选择性单、合层配套试油资料,确定原始压力系统,并建立若干相关关系(米采油指数与空气渗透率,动用厚度与射开厚度、合理生产压基与地饱压差的关系等)。以丘陵油田为例,给出了产能预测结果及其与实际情况的对比。

The initial formation pressure coefficient of North Dagang oil ficld increases with reservoir depth. The depth of its 8development units ranges from 602m to 4,030. 8m, and the pressure coeffcient of them from 1. 0 to 1. 45. When depth is lessthan 2,300m, pressure coefficient is 1. 0, belonging to normal pressure systeml When depth is over 2, 300m, reservoir is inabnortnally high pressure zone. Sindlarly, there are also same trends both in formation-saturation pressure difference and infracture pressure. For...

The initial formation pressure coefficient of North Dagang oil ficld increases with reservoir depth. The depth of its 8development units ranges from 602m to 4,030. 8m, and the pressure coeffcient of them from 1. 0 to 1. 45. When depth is lessthan 2,300m, pressure coefficient is 1. 0, belonging to normal pressure systeml When depth is over 2, 300m, reservoir is inabnortnally high pressure zone. Sindlarly, there are also same trends both in formation-saturation pressure difference and infracture pressure. For a specific development unit, both effective permeability and pump efficiency will be high, if a highformation pressure is maintained. Therefore, the reasonable way is to maintain the formation pressures of middle and shallowreservoirs above their saturation pressures, that of the main oil zone close to its original formation pressure and that of deepbeds such as Maxi pay zone at about 43 MPa so as to fully utilbe its natural energy. In general,pressure system can be studiedwith pressure balance diagram which is a direct display of the pressure at some water-cut stage or in a unit, implytngformation and nuid parameters, and only displaving the formation pressure, injection pressure, nowing pressure, pressuredifference of water injection, producing pressure drop and the coordinated correlation between water injection and oilproduction rates.

北大港油田原始压力系数随油藏埋藏深度增加而增大,8个开发区埋深为602~4030.8m,压力系数由1.0增至1.45。埋深小于2300m时,压力系数为1.0,属常规压力系统;大于2300m时为异常高压区。地饱压差、破裂压力亦存在同样变化趋势。对具体开发区而言,保持较高地层压力,不但具有较高的有效渗透率,而且泵效也高。鉴于此,中浅层油藏地层压力保持在饱和压力以上,主力油层则保持在原始压力附近;马西等深层考虑设备条件和充分利用弹性能,保持在43MPa左右。用压力平衡图来研究压力体系,总体说是某合水阶段或某区块直观的压力展现。它将地层和流体参数隐函其内,只表现出地层压力、注入压力、流出压力、注水压差、生产压差及注入采出量之间的协调关系。

 
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