查询词典 gas well

Secondly, the steady-state productivity model for horizontal well in gas reservoir is established. On the basis of solving the model, this thesis elicits the binomial deliverability equation by which absolute open flow potential and inflow performance relationship can be got and we can forecast the production performance of horizontal well in gas reservoir. In the end, on the basis of the theoretical analysis, this thesis explores homologous nodal analysis program.

其次，在建立水平气井不稳定渗流数学模型并求得其解的基础上，推导出了考虑地层伤害及非达西渗流影响水平气井产能方程，通过该产能方程可求出水平气井的绝对无阻流量，绘制流入动态关系曲线来预测生产动态；最后，在理论分析的基础上建立了水平气井节点分析方法，并开发了相应的节点分析程序。

Then, the steady-state productivity model for horizontal well in gas reservoir is established. On the basis of solving the model, this thesis deduces the binomial deliverabiliry equation by which absolute open flow potential and inflow performance relationship can be gotten and we can forecast the production performance of horizontal well in gas reservoir.

其次，在建立水平气井稳定渗流的数学模型并求得其解的基础上，推导出了考虑地层伤害及非达西渗流影响水平气井二项式产能方程，通过该二项式产能方程可求出水平气井的绝对无阻流量，绘制流入动态关系曲线来预测生产动态。

After achieving the solution of the mathematical model,a binomial productivity equation of gas-water well with two-phase flow in formation was derived in consideration of the influence of formation damage and non-Darcy effect,thus establishing the theory of transient inflow performance relationship curve of gas-water well.

文章基于质量守恒原理，建立了气水两相地层瞬态渗流的数学模型，通过定义气水两相拟压力函数，将渗流数学模型线性化，在获得数学模型解后，考虑地层损害和非达西效应的影响，推导出在地层中为水气两相渗流的气水同产井的二项式产能方程，从而建立了气水同产井瞬态流入动态关系曲线的理论。

Consider to think, although apparent gaseous state is not had in 0 derv of the interfuse in artesian well fluid,hydrocarbon exists, but fall in certain environmental temperature condition, the volatilization with have certain free hydrocarbon composition appears C_(11 the following liquid state volatilizes hydrocarbon , what cause gas to measure complete hydrocarbon thereby is unusual, but the change that this won't cause gas to measure constituent to be worth however, use this one characteristic, can lift with complete hydrocarbon and the method with not elevatory firedamp will distinguish the complete hydrocarbon holiday that mixes fluid of derv artesian well to cause is unusual.

探究认为，虽然钻井液中混入的零号柴油中并无明显的气态烃存在，但在一定的环境温度条件下，将有一定的挥发游离烃成分出现C_(11以后的液态挥发烃，从而引起气测全烃的异常，但这却不会引起气测组分值的变化，利用这一特征，就可以用全烃升高而甲烷不升高的办法来区分混柴油钻井液引起的全烃假异常。

This paper analyzes log responses of tight formation s and tight gas reservoirs, correlates vertical formations in a same well and lateral formations in different wells and intra-formational response as well, uses graphic calibration method, analyzes the characteristics of logging curves of tight formation s from different perspectives, and thus determines gas potential of tight formation .

在对致密地层和致密气层测井响应特征进行分析的基础上，利用同井纵向对比观察、不同井横向对比观察、层内对比观察分析及图形刻度显示法，从不同角度分析了致密地层测井曲线的变化特征，进而确定了致密地层的含气性，取得了较好效果。

The pressure gradient,as one of the most important parameters affecting design and operation of gas-lift well s,is the foundation of gas-lift well design.

压力梯度是气举井设计的基本依据，是影响气举井设计和运行的重要参数。

November 2001, the vitta below the well ruptures, the pressure below the well appears unusual, this year in January, flat aggravate -- if do not take strong step, cause malign accident extremely likely, destroy Chuanxide finally the big gas field with area the richest gas pool, make people life property is damaged badly.

四川德阳市境内中国石化控股的新场气田中的新851井，是2000年10月投产，日产天然气40万立方米的高产气井。2001年11月，井下油管断裂，井下压力出现异常，今年1月，漏气加剧——若不采取有力措施，极有可能造成恶性事故，最终破坏川西地区气藏最丰富的大气田，使人民生命财产受到严重损害。

The production test indicated that there are 24 gas layers in the well, so that the deltaic deposit zones to the cast and northeast of the well are favorable for oil and gas exploration in the future.

该区地层具有砂、泥互层的特点，具备了较好的储集层和局部盖层，试油结果表明有24个气层，该井的东部及东北部的三角洲区域是今后勘探的有利区域。

According to different types of abnormal pressure,computation model for quantitative control on the abnormal pressure was set up to meet the needs of efficient and safe drilling in oil-gas fields.Some important parameters were calculated that include reasonable shut-in time,maximum flowing yield and the best flowing time of the injection wells,and reasonable bottom hole flowing pressure,extra oil production and stimulation moment of the production wells.The quantitative computational methods of them were derived.Three methods were applied to one undrilled adjustment well T1 in certain oil-gas field achieving quantitative control to the abnormal pressure in the adjustment well.

考虑到油气田高效、安全钻井的需要，依据不同的压力异常类型，建立了定量控制异常压力的计算模型，确定了注水井合理关井停注时间、最大放溢量和最佳放溢时机以及生产井合理井底流压、增产量和增产时机等参数，给出了计算公式，推导出了注水井最佳关井停注时间、注水井最佳放溢量和生产井合理的增产量的定量计算方法，并通过某油气田的一口待钻调整井(T1井)对3种方法进行了验证，实现了对调整井异常高压的定量控制。

For a higher yield, the multibranch well bore should be perpendicular to the direction of maximum principal permeability, b. for a given coalbed methane reservoir, there is an optimal interspace, by which a bigger control area and the interaction among the branches can be obtained, and c. with the extension of the branch, gas yield becomes obviously higher, while the branch length should be an appropriate value on account of the influence of coal bed boundary and wellbore pressure drop. The research results have guiding significance for well pattern optimization and efficient development of coalbed methane gas.

结果发现：为了获得较高的产能，多分支井的井筒应垂直于最大主渗透率方向；对于给定的煤层气藏，存在一个最优的分支间距，既能保证较大的控制面积，又能保证分支间的互相影响；随着分支长度的增高，产气量也显著增大，但是考虑到煤层边界和井筒压降的影响，分支长度也应该有一个比较合理的值。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。