地层水
- 网络formation water;new;Stratigraphic water
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地层水的Ca2+/HCO-3(单位均为meq)比值大多在0.5~1000之间,也处于高腐蚀速率区。
The Ca2 + / HCO3 - ratio of formation water ( unit : meg ) mostly ranges from 0 . 5 to 1000 and the intervals are in high corrosion rate areas as well .
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CSWI既可以反映泥质岩盖层本身特征对水溶相天然气封闭能力的影响,又可以反映地层水特征对水溶相天然气封闭能力的影响。
CSWI can reflect not only the influence of the characteristics of mudstone caprock itself on its seal ability to gas in water-dissolving phase , but also the influence from the characteristics of the formation water to the seal ability of mudstone caprock to gas in water-dissolving phase .
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P2w+c含水层,受上覆地层水和向斜东翼层间水入渗的影响明显;
The P2w + c aquifer is influenced by water from upper stratum and west wing of the syncline ;
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CO2和地层水、储层配伍性实验研究
Compatibility study of co_2 with formation water and reservoir
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鄂北HA地区上古生界气藏地层水的地球化学特征
Geochemistry Characteristics of Formation water of Upper Paleozoic Gas Pool in HA Area of North Ordos
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分析结果表明:在发生腐蚀的阶段没有发现地层水参与腐蚀的证据,CO2是导致气田内部集输碳钢管道腐蚀失效的主要腐蚀介质;
Analysis results show that no corrosion results from formation water and CO2 is the main corrosive medium in gas field carbon steel pipelines .
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采用高压界面张力装置测定了某油田在油藏温度下,原油中不同CO2注入量时油藏流体/地层水的界面张力,并考察了压力的影响。drop,第1天。
The interfacial tension of the reservoir fluid and formation water at reservoir conditions was measured using pendant drop method at different CO_2 injected concentration . The influence of pressure on interfacial tension was also obtained .
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实验表明MD膜与油层的适应性较好,与地层水、聚合物和大庆原油的配伍性良好。
Experiment indicates that MD membrane is well adaptive to the reservoir , and compatible to water in place polymer and crude oil in Daqing oil field .
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同时用HSA和HPB处理后的采出水配制HPAM溶液,粘损小于5%,并且与地层水有较好的配伍性。
Meanwhile , the viscosity loss of HPAM solution made up by treated water is no more than 5 % , showing better compatibility with ground water .
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2由于TSR产生的大量淡水的加入,使气藏的原生地层水被稀释,造成地层水盐度降低;
A great deal of water produced by TSR makes the original formation water in the gas reservoir diluted , so that the salinity of formation water is reduced correspondingly ;
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我国大部分油田地层水属弱碱性,HPAM溶液在这类污水中的水解反应速度很快,稳定性变差,因此在选择聚合物和水质时,应充分考虑高温水解作用的影响。
The most formation waters in our country belong to weak alkaline , HPAM will hydrolyze rapidly in this type of water , and the thermal stability and viscosity of HPAM solution will decrease obviously .
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5口井的应用表明,使用ZSC-201固相化学清洁剂,平均井径扩大率为10.18%,解决了上部地层水化膨胀、缩径问题,保证了起下钻的畅通;
ZSC-201 has been used in five wells and the results displayed that hydration swelling and shrinking of upper formation was prevented with average borehole enlargement rate of 10.18 % ;
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实验结果表明:模拟临盘地区所用的MMH、MMH-纳米乳液钻井液体系具有组成简单,性能容易调控,滤失量易于控制等特点,但是部分处理剂会与地层水会产生沉淀。
Experimental results showed that MMH , MMH-nanostructure system had the characteristics of composition was simple , performance easy to control , filtration easy to control and so on . But part of the additives could react with formation water and produce precipitation .
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本文主要对东海W凹陷Y-1井地层水化学资料进行整理和研究分析,研究其水文地球化学特征及其成因类型,进而提出运用水化学资料进行地层划分和油气预测。
In this paper , the chemical data from formation water of the Y-1 well in W-depression have been systematized in order to study the hydrogeochemical characteristics and genetic types . Furthermore , the stratigraphic division and oil-gas prediction are proposed on the basis of hydrogeochemical analysis .
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凹陷断裂位置与MgCl2和CaCl2型地层水的分布关系说明,可能存在古老地层中的流体沿断裂缝隙向上运移的现象。
The relationship between the location of faults and the distibution of both MgCl_2 and CaCl_2 type ground water indicates that the fluids ( including oil , gas and water ) generated in older formations would have migrated upward a - long fault fractures .
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但是,在天然气净化工艺过程中,TEG会受到天然气所携带高矿化度地层水、凝析油、气井井下污染物质等污染,往往会造成TEG溶液起泡、产生盐结晶以及高温降解。
But TEG will be contaminated by the high-salinity formation water and condensate carried by natural gas and the contaminant in gas well in the process of the purification of natural gas , which often causes the TEG solution to blister and produce salt crystallization and high-temperature degradation .
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验证了处理后水与地层水的配伍性;
The compatibility of treated wat-er and stratum water is verified .
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海拉尔盆地地层水特征及成因分析
Analysis on features and origin of stratum water in Hailar Basin
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地层水含盐量对岩心孔隙度和渗透率的影响
The influence of formation water salinity on core porosity and permeability
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水敏性泥页岩地层水化对测井响应的影响
The effect of water sensitive hydrated shale formation on log response
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气田产出地层水回注水质指标实验研究
Experimental study of reinjection formation water quality index in gas field
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油气藏地层水蒸发产生盐析的研究新进展
Research on salting out during formation water evaporation in oil-gas reservoirs
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基于地层水浸泡条件下的支撑剂评价实验
Experimental study on proppant based on condition of formation water immersion
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川东石炭系气藏产出地层水特征初探
Characteristics of yielded formation water from Carboniferous gas pools in eastern Sichuan
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地层水在天然气保存中的积极作用
Positive Effect of Formation Water on Conservation of Natural Gas
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地层水主要为充填孔洞及裂缝。
The main effect of formation water is filling holes and cracks .
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驱替液有地层水;
STRATUM The flooding fluids used are : formation water ;
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复杂地层水剖面测井精细解释方法研究
Study on fine logging interpretation of complex formation water profile
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不同温度、矿化度条件下地层水的密度
Study on the Density of the Formation Water Under Different Temperature and Salinity
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该期地层水溶解气量基本达到饱和。
The formation water was basically saturated with dissolved gas at that time .