气井

Air well air well logging log response analysis

空气井；空气井测井；测井响应；分析

The binomial deliverability equation is the ordinary method of calculating the gas well′s open-flow capacity, the key is determining the coefficient.

气井二项式产能方程是计算气井无阻流量的常用方法，其关键在于确定系数值。

The dynamic analysis based classification method in the early stage of development is brought forward in the first time ,which consists of:firstly ,the material balance equation and the binomial production equation is solved together for those wells with stable production., to yield the anticipation under constant production ,and constant THP afterwards; Secondly, the R/S fractal method is used to demonstrate the declining tendency for those withdegressive production, and the GM(1,1) model is adopted for simulation and anticipation.

在此基础上进行了定产量／压力条件下的动态预测；②对产量递减井，采用分形理论中的R／S方法，对气井产量变化作了连续趋势性论证，在此基础上采用GM(1，1)模型对递减气井的生产动态进行快速拟合和预测。

The binomial deliverability equation can only be used to describe the high velocity non-Darcy filtering flow. For low permeability fracturing gas wells, due to low permeable property and high flow conductivity of the formation, the filtering flow laws of the formation are different from those before fracturing, and binomial deliverability equation can not be used for the flow condition of gas wells, therefore, new equation is needed.

二项式产能方程只能描述高速非达西渗流，对于低渗压裂气井，地层的低渗透性和裂缝的高导流能力使得其渗流规律已经和压裂前大不一样，二项式产能方程已无法描述气井的生产状况，必须建立新的方程。

By making use of multi-points backward pressure of one dry gas well, this paper introduces how to confirm dynamic friction coefficient of downhole tubing at the exact moment through stable testing material, gives the productivity and the corresponding bottom hole pressure by using productivity equation, calculates wellhead pressure in combination with dynamic friction coefficient of tubing, establishes the correct wellhead outflow performance equation for this well, draws out wellhead outflow performance curve and discusses how wellhead outflow performance equation or wellhead outflow performance curve changes with the decrease of formation pressure or the change of wellhead outflow performance curve.

借助1口干气井的多点回压法试井资料，介绍了如何利用气井稳定试井资料，确定该气井此时此刻井下油管动态摩阻系数；利用产能方程给出产量和对应的井底压力，结合油管动态摩阻系数计算井口压力，建立该井准确的井口流出动态方程并编绘井口流出动态曲线；讨论了随着地层压力递减和井下油管动态摩阻系数变化规律，井口流出动态方程或井口流出动态曲线的变化规律。

Therefore,it is important that study production of condensate liquid for holding normal production of gas well.

因此 ，研究凝析液的数量对于制定合理的气井工作制度，维持气井的正常生产具有现实的意义。

Based on the reason analysis of failure primary fracturing, the fracturing fluid and proppant of refracturing were optimized, the half-length of fracture and construction parameters were also optimized for the optimum design of refracturing wells.

同时对初次压裂失效的原因进行分析后，对气井重复压裂的压裂液、支撑剂进行优选，对重复压裂气井的裂缝半长和施工参数进行优化，从而完善对气井重复压裂的优化设计。

Partial fracturing wells in Sulige Gasfield produces massive sand slurry because of unreasonable proration during their production. Some phenomena occur such as a lot of sand production, accumulation in wellbore, off production due to watered out, and yield decline as well as pressure drop, resulting in influencing the production result to a great extent.

中文摘要：苏里格气田部分压裂井在生产中因配产不合理出现了：①产量过大导致生产大量出砂影响生产；②气井生产流量达不到携带井底积液的要求，区块内出现较大一批积液井、水淹井；③由于配产不合理致使气井生产无稳产期，投产后压力、产量直线下降至废弃压力生产阶段，极大程度上影响了气井的生产效果。

Based on the effect of the sanding on the bradenhead, the ground flow pipeline gtv and surface equipment in high pressure and high gas rate well in west Sichuan, and combination with actual engineering geologic characteristic and operation status, the paper analyzed the influencing factor of sanding in the fractured well, and put forward the countermeasures to effectively prevent sanding.

川西坳陷致密砂岩气藏拥有大量的高压高产气井，支撑剂回流出砂问题比较突出。由于气井压力高、产量高、流速快，加砂压裂后常出现支撑剂回流出砂的现象，对井口及地面流程管线闸阀、地面设备造成强烈的冲蚀破坏作用，已经严重影响到气田高压高产气井的正常生产。

CO2 corrosion is one of the most common corrosions in oil and gas industry, so the anti-corrosion technology, closely related to the quality and working life of CO2-contained gas wells, is the basis for safe and highly efficient production of gas wells.

CO2腐蚀是世界石油天然气工业中常见的一种腐蚀类型，含CO2气井的相关工艺技术直接关系着气井的质量与寿命，是气井安全、高效生产的基础。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。