Water produced in many gas Wells despite usual high irreducible water content in tight gas reservoir is a phenomenon not easy to explain.
致密气藏一般束缚水含量高，但不少气井仍可产出水，这种现象很难解释。
Mid deep tight gas reservoir is the important part of non-conventional gas reserves, also is importance of future energy resource exploitation.
中深致密气藏是非常规天然气储量的重要组成部分，也是未来能源开发的重点。
Deep tight gas reservoirs are characterized by deep burial depth, poor reservoir quality and low production rate, but large exploration potentials.
深层致密砂岩气藏具有埋藏深、物性差、产量低的特点，但勘探潜力大。
Xujiahe sandstone formation is a set of typical low pressure and tight gas reservoir in the Hebaochang-Jishichang Area between central and southern Sichuan Basin.
四川盆地川南、川中过渡带荷包场—界石场地区的须家河组砂岩储层是一套典型的低压致密储集层。
When studying the conventional deliverability analysis of the tight gas reservoir, the tight gas reservoir will always need long test time to stabilize due to its low permeability.
对致密气藏进行常规产能分析时，由于渗透率极低，要达到稳定通常需要很长的测试时间。
For a water drive tight gas reservoir, the accurate calculation of water influx is an important job for forecasting water invasion performance and preventing aqueous phase trapping damage.
在致密气藏开发过程中，水侵量的准确计算是预测水侵开发动态及防治水相圈闭损害的重要内容。
The productivity analysis method of tight gas reservoir is presented in this paper, then, we establish the optimal model of gas well productivity analysis and discuss the method to solve the model.
提出了致密气藏的产能分析方法，建立了气井产能分析的最优化模型，并讨论了该模型的求解方法。
Fracture acidizing technology is important means to develop tight clastic reservoir in west of Sichuan, scientifically produce gas reservoir and increase productivity of oil & gas.
压裂酸化技术是川西致密碎屑岩气藏开发不可缺少的重要手段，同时也是科学开采气藏、增加油气产能的重要手段。
Penglaizhen Formation gas reservoirs of Baimamiao field belongs to the lithological gas reservoirs in the structural background, and also tight sandstone gas reservoir.
白马庙蓬莱镇气藏属构造背景上的岩性气藏，也是以次生溶孔为主的致密砂岩体次生气藏。
The deep gas reservoir in Dongpu sag has features of deep, fine lithology, tight, thin, low porosity and low permeability.
东濮凹陷深层气具有储层深、岩性细、致密、层薄、低孔隙度和低渗透率等特点。
The types of gas accumulation can be concluded into lithologic and structural gas reservoirs in normal reservoir rock condition and gas reservoirs in tight sandstones.
所形成的天然气藏包括常规储层条件下的岩性和构造气藏、致密砂岩气藏等类型。
Deep basin gas is an abnormal gas accumulation with characters of subnormal pressure and gas-water inversion caused essentially by its tight reservoir.
深盆气藏是一种特殊机理形成的具有气水倒置和负压异常等特征的致密气藏。
Sand fracturing is the major stimulation measure in Western Sichuan tight sandstone gas reservoir.
加砂压裂是川西致密气层普遍采用的改造技术措施；
The stimulation technology of tight sandstone gas reservoir has been broadly used in many gas fields in Western Sichuan.
致密砂岩储层改造技术在川西地区各气田得到了广泛应用。
The production history simulation for artificially fractured wells in the tight sandstone gas reservoir in west Sichuan is a difficult problem.
川西致密砂岩气藏压裂井的生产历史拟合是一个难题。
Combining with the conventional logging data, the paper comprehensively researched the features of the tight sandstone reservoir and the logging response of the gas-bearing reservoir.
结合常规测井资料，综合研究了致密砂岩储层特征及其含气层的测井响应。
In the West Sichuan Depression with tight sand, the formation mechanism of traps and gas reservoir is quite complicated, resulted from the basin's complex evolution.
在川西坳陷这个致密砂岩领域，圈闭和气藏的形成机理相当复杂，其根本原因在于盆地有着相当复杂的形成与演化史。
Tight sandstone gas resources are very affluent in the world; China also contains abundance of the reserves, and most of which reside in water drive gas reservoir.
全球致密砂岩天然气资源极为丰富，中国也蕴涵着丰富的储量，其中水驱气藏占很高的比例。
This paper reviews the forming reasons of extremely low permeability of tight sandstone gas reservoir, including congenital aggradation and acquired diagenesis.
论述了致密砂岩气藏特低渗形成的原因：即先天的沉积因素和后天的成岩作用等。
Porous-type sandstone reservoir is shorter and shorter and gas reservoir in tight sand is more and more important.
由于好的孔渗性砂岩油气田越来越少，致密砂岩气藏作为一种非常规气藏近年来逐渐成为勘探和开发的热点。
Porous-type sandstone reservoir is shorter and shorter and gas reservoir in tight sand is more and more important.
由于好的孔渗性砂岩油气田越来越少，致密砂岩气藏作为一种非常规气藏近年来逐渐成为勘探和开发的热点。
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