气井

• The multi - zone separate pressure production technology used for the gas wells in changqing gas field is introduced and the separate pressure production technology used for exploration wells , development evaluation wells and development wells was put forward respectively in the paper
  文章介绍了长庆气田气井多层分压合采工艺技术，提出了探井、开发评价井及开发井的分压合采工艺。
• This paper deduced the relationship between and other related parameters using data from single - point test in non - steady state , by which the accurate open flow potential of gas well is then gained for its proper value of
  针对上述问题，充分利用了一点法测试不稳定阶段的数据，在理论上推导出了与有关参数的关系式，利用这个关系式能计算出的准确值，从而得出气井准确的无阻流量。
• Numerous theoretical analyses and field applications indicate that relative permeability to gas near wellbore area declines rapidly due to precipitation of retrograde condensate fluid , which will result in great changes of inflow performance of gas condensate wells
  摘要大量的理论分析和现场应用表明，反凝析液析出会急剧降低近井区气相相对渗透率，从而使凝析气井流入动态发生较大改变。
• For wells with production history , the modern production decline analysis can be applied to yielding the formation parameters , and the semi - log figure of normalized time vs . normalized pressure is taken as the criterion to validate the calculated results
  对具有生产记录的气井，可以采用现代产量递减分析方法反求地层参数，并用标准化时间和标准化压力半对数图，作为检验计算结果正确与否的标准。
• Based on the model , the paper also makes a risk evaluation of the reserves , genevaizes the relationship between the gas well capacity and the geological condition , and provides reference data about the best location of well and network parameter about gas pool numerical simulation
  以此模型为基础，进行储量的风险估计、归纳气井产能与地质情况的关系、提供井位优选的参考依据及提供气藏数值模拟的网格参数场。
• Drainage domain of partial penetration gas well in bottom water reservoirs consists of the following two parts : ( 1 ) non - darcy binomial radial flow near the well ; ( 2 ) three dimensional darcy flow in areas far away from the partial penetration gas well due to bottom water drive
  摘要底水打开不完善气井的渗流是由井附近区域遵循二项式径向流规律的非达西流动及此区域外遵循由底水驱动向不完善井三维达西流动两部分组成。
• This paper suggests that when making productivity appraisal of super - high pressure and stress sensitivity gas reservoir during early phase of exploration or development , the pressure - squared method can he used to approximately determine the absolute open flow potentials of gas reservoirs
  研究表明：考虑应用敏感性时所获得的气井绝对无阻流量要比不考虑应力敏感性时减小10 % ~ 25 % ，并与不考虑应力敏感性时压力平方方法所获得的绝对无阻流量相当。