采气速度

确定气田开发中最低采气速度的经济计算方法

An Economic Evaluation Method Determinating the Lowest Gas Production Rate in Gas Field Development

通过对基质渗透率、裂缝大小及分布、井底隔层、采气速度、气井打开程度和水体大小等多种参数进行敏感性分析，得到沿裂缝水窜是该类气藏的主要水侵特征；

Through the sensitivity analyses of many parameters as matrix permeability , the size and distribution of fractures , barrier bed at bottomhole , rate of gas production , partial penetration of gas well and size of water body , etc.

对15a累积净现值，敏感的影响因素是采气速度，井数是其次的影响因素，布井方式的影响较小。

The sensitive factor influencing the accumulated net present value in 15 years is the gas producing rate , then the number of wells , and the effect of pattern shape on it is smaller .

采用气藏数值模拟手段，对单井配产及采气速度进行了研究。

Single well proration and gas recovery rate are studied through numerical simulation .

稳定的天气，连续的晴天气藏采气速度与稳产期定量关系研究

Settled weather Analysis of quantitative relationship between gas offtake and plateau duration of natural gas reservoir

川西梓潼地区高压异常气藏合理采气速度研究

Study on appropriate production rate in high abnormal pressure reservoir at Zitong region of west - ern Sichuan

气藏采气速度与稳产期定量关系研究大跨度钢管混凝土拱桥的非线性空气静力稳定性

Analysis of quantitative relationship between gas offtake and plateau duration of natural gas reservoir Nonlinear Aerostatic Stability of Long-Span Concrete-Filled Steel-Tube Arch Bridge

气藏储量的确定是安排采气速度、制定合理气藏开发方案的基础。

The definition of reserves to gas reservoir is the basis to the arrangement of gas production rate and the reasonable development plan .

研究发现，在采气速度低的初期，地质及开发因素对开发效果的影响较小；

The research discovered that geological and production factors have less influence on development results at initial period of low gas recovery rate .

高产区采气速度与低产区采气速度之比应在3以下为宜；

It would be better that the ratio of the gas producing rate in high yield area to that in low yield area should be below 3 ;

水力压裂能压开多条裂缝，更加有效的增加油气渗流通道，减小近井地带的渗流阻力，提高采气速度和采收率。

Hydraulic fracture can produce several fractures to raise effectively flowing channels of oil and gas , decrease seepage resistance of near-well-bore and enhance the rate of recovery .

在开采过程中，随着采气速度及含水上升速度的不断变化，气藏递减先后经历由快到慢与由慢到快两个阶段。

Production decline has gone through firstly from rapid to slow and then from slow to rapid as recovery rate and water-cut increasing rate change in recovery process .

利用老区不同类型气藏的已建模型，对新区不同采气速度下，稳产期和递减期地层压力的变化规律、最终采出程度的大小进行了预测。

Using established model of different typical reservoir in old area can predict changes of pressure and recovery in stable period and decline period on different speed of gas production .

参考合理产量和临界携液流量，通过类比法和气藏工程法确定出合理采气速度。

Referring to the reasonable production and the interface gas production rate for carrying water , gas recovery rate can be calculated by the method of analogy and gas reservoir engineering .

此外，还比较合理的确定单井配产、采气速度、稳产年限、井网、井距等开发指标，初步应用取得了一定的效果。

The reasonable development indices such as proration , gas productivity , stable production period , well pattern , and well spacing are also determined which yields satisfactory results in the preliminary applications .

同时，还发现平衡凝析油气相渗的速敏性，从而说明了适当提高采气速度有利于提高凝析油采收率的观点，对开发技术政策的制订有重要指导意义。

Meanwhile , the research shows that the relative permeability curve of equilibrium oil and gas is sensitive to the rate of exploitation , and the viewpoint proves that an improved gas recovery rate can properly increase the recovery of condensate oil .

再者，通过实施多层合采采气工艺技术，提高气田采气速度，加快开发进程，缩短投资回收期，实现小型气田立体、高效开发的目的。

In addition , implementing the technology of the multiple sand commingled production can enhance the rate of gas production , accelerate the pace of development and shorten the payback period , in order to realize the three - dimensional and highly efficient development of this small gas field .

模拟结果为：对30a末采出程度最敏感的影响因素是井数，其次是布井方式，采气速度对此的影响相对较小；

By means of simulation it is thought that the most sensitive factor influencing the recovery percent of reserves at the end of 30 years is the number of wells , then the pattern shape , and the influence of gas producing rate on it is smaller ;