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低渗透气层
相关语句
  low permeability gas layers
     Application of Gas Test Matching Technology in Low Permeability Gas Layers.
     试气配套技术在低渗透气层的应用
短句来源
  “低渗透气层”译为未确定词的双语例句
     WELL LOG INTERPRETATION TECHNIQUE FOR THE UPPER PALEOZOIC LOW-PERMEABILITY GAS RESERVOIRS IN TABAMIAO BLOCK
     塔巴庙区块上古生界低渗透气层测井解释技术
短句来源
     During the fracturing for low pressure and low permeability gas reservoirs, there are some main problems in conventional hydroxypropylguar - organic boron cross-linking system: Firstly, the water-lock damage to low pressure and low permeability gas formations by filter liquor;
     在低压低渗透气藏的压裂改造过程中,常规羟丙基胍胶-有机硼交联压裂液体系存在的主要问题,一是压裂液滤液对低压低渗透气层造成的水锁损害;
短句来源
  相似匹配句对
     FORMATION DAMAGE MECHANISMS OF LOW-PERMEABILITY GAS RESERVOIR AND ITS PREVENTIVE MEASURES
     低渗透天然气气层损害机理及其预防
短句来源
     IDENTIFICATION OF LOW PERMEABILITY GAS RESERVOIR BY GAS LOGGING TECHNIQUE
     低渗透砂岩气层的气测判别方法
短句来源
     identify the gas-bearing ;
     识别和评价气层;
短句来源
     Characteristics of displacement in low permeability reservoir
     低渗透储层驱替特征
短句来源
     Interpreting the Condensate Reservoirs by Well Logging
     测井解释凝析油气层
短句来源
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The particularity of the formation damage caused in the processes of the drilling,completion and development of low-permeability gas reservoir is more evident than that of oil reservoir,because of the small flowing pores,poor permeability,large percolation resistance and strong interaction of solid-liquid interface and gas-liquid interface in the low-permeability gas reservoir.It is an effective preventive basis to recognize correctly the formation damage mechanisms of the low-permeability gas reservirs.On the...

The particularity of the formation damage caused in the processes of the drilling,completion and development of low-permeability gas reservoir is more evident than that of oil reservoir,because of the small flowing pores,poor permeability,large percolation resistance and strong interaction of solid-liquid interface and gas-liquid interface in the low-permeability gas reservoir.It is an effective preventive basis to recognize correctly the formation damage mechanisms of the low-permeability gas reservirs.On the basis of investigating widely the relevant documents,four main factors of causing the formation damage for low-permeability gas reservoir,i.e.liquid retention,stress sensitivity,water sensitivity abd reverse natural suction effect,are generalized;their damage mechanisms are analyzed;and the methods of preventing various formation damages are discussed in the paper.Through research,it was shown that the liquid retention damage is the first and fundamental damage factor;and caused by the stress sensitivity,the change in rock permeability is irreversible.In order to prevent the occurrence of low-permeability gas reservoir′s being damaged,it is necessary to avoid using the well-entered liquids being able to cause the liquid retention and water sensitivity damages for the gas reservoirs and it should be comprehensively considered to draw up plans systematically according to the conditions of the gas reservoirs.

低渗气藏通常具有束缚水饱和度高、毛细管压力高、地表面积大等特点 ,使得低渗透气层在钻井、完井和开发过程中引起的损害更具特殊性。文章研究了低渗透气藏在气层打开后主要产生的损害特点和损害机理 ,并对预防各种损害的方法进行了探讨。研究结果表明 ,液相滞留、应力敏感性、水敏性和反向自吸效应损害是气层损害的主要特点。在预防和治理气层损害问题时 ,应综合考虑 ,系统运筹。

At present operating position extensively adopt the method of measuring pressure and well testing in advance of shutting in and in order to acquire reservoir pressure and reservoir parameters.However,this operation can’t be used in gas well,because there is very high wellhead pressure in some superhigh gas wells after shutting in,which pipe wall and wellhead device are difficult to bear so hish pressure.In order to obtain satisfied pressures,the low permeability of gas well will be shut in some weeks,which can...

At present operating position extensively adopt the method of measuring pressure and well testing in advance of shutting in and in order to acquire reservoir pressure and reservoir parameters.However,this operation can’t be used in gas well,because there is very high wellhead pressure in some superhigh gas wells after shutting in,which pipe wall and wellhead device are difficult to bear so hish pressure.In order to obtain satisfied pressures,the low permeability of gas well will be shut in some weeks,which can seriously influence the gas well’s production.It is a good method that we only change its working conditions not to shut in so sa to get bottom pressure,according as the porous medium gas unstable infuent theory,to acquire the basic equation and calculae to fit the past for purpose of ascertaining the average stratum pressure at present,reservoir effective pemeability,skin factor and other reservoir paramelers.

目前现场广泛采用关井测压试井方法获得地层压力及地层参数 ,但在气井中往往遇到困难 ,有些超高压气井关井后井口压力很高 ,井内管柱和井口装置都难以承受 ,对于低渗透气层关井常常需要数周时间 ,才能获得满意的压力恢复曲线资料 ,对产能影响较高。针对这一问题 ,提出通过不关井只改变工作制度的方法使产量改变 ,测取井底压力的数据变化 ,运用多孔介质气体不稳定渗流理论 ,得出基本方程 ,通过计算拟合确定油气藏的目前平均地层压力、地层有效渗透率和表皮系数等气藏参数

In order to economically and efficiently develop low-permeability gas reservoirs, studies are performed on the main types of damage to low-permeability gas reservoirs, such as liquid phase detention, stress sensitivity, and water phase imbibition. It is believed that the following technologies are critical for recovery of low-permeability gas reservoir: ① comprehensive characterization of low-permeability gas reservoirs, such as gas reservoir geology and engineering; ②erilling technologies for low-permeability...

In order to economically and efficiently develop low-permeability gas reservoirs, studies are performed on the main types of damage to low-permeability gas reservoirs, such as liquid phase detention, stress sensitivity, and water phase imbibition. It is believed that the following technologies are critical for recovery of low-permeability gas reservoir: ① comprehensive characterization of low-permeability gas reservoirs, such as gas reservoir geology and engineering; ②erilling technologies for low-permeability gas reservoirs, such as horizontal well, highly deviated well and underbalanced gas drilling technologies; ③fracturing of low-permeability gas reservoirs. The development trends of low-permeability gas reservoirs recovery technologies are discussed and it is proposed that studies on the following five aspects should be strengthened, including basic theory, fine description and prediction of low-permeability reservoirs, interwell performance monitoring, reformation of low-permeability gas reservoirs, and enhanced gas recovery of low-permeability gas reservoirs with complex structure wells.

为了经济高效地开发低渗透气藏,对液相滞留、应力敏感性、水相自吸入等低渗气藏储层的主要伤害类型进行了分析,认为目前低渗气藏开发的主要关键性技术包括:①低渗气藏储层综合表征技术的应用(气藏地质和气藏工程);②低渗气藏钻井技术(水平井、大斜度井技术和气体欠平衡钻井技术);③低渗气层压裂改造技术。然后探讨了低渗气藏开发技术的发展趋势,提出需要加强发展的5个方面:加强基础理论研究;加强低渗透储层精细描述和储层预测;井间动态监测技术;低渗透气层改造技术;复杂结构井提高低渗气藏采收率技术。

 
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