gas repressuring

Axial displacement comparative analysis of the tubing string in the gas injection wells.;

注气井中油管轴向位移计算比较分析

Phase state characteristic after gas injection into formation oil based on computational method;

基于计算方法的地层油注气后相态特征

The numerical simulation study on gas injection development for the low-permeability reservoir of Chun-107-fault new block;

纯107块低渗透油藏注气开采数值模拟研究

On the basis of experiments,the factors which influenced the shape of PA12 double-lumen catheter cross-section in process of extrusion,including the die temperature,the screw rotational speed,the tractive rate and the volumetric gas flow were analyzed.

在实验的基础上,分析了聚酰胺(PA)12双腔医用导管挤出过程中机头温度、螺杆转速、牵引速率和注气流量对导管截面形状精度的影响。

In this dissertation, gas flow controller system was designed.

为得到较好的导管截面形状,本文从材料的流变特性、机头设计、注气流量的控制以及挤出工艺参数的调节四个方面进行了实验研究,得出的结论对双腔导管的挤出成型有一定的参考作用。

The under-balanced drilling technology was successfully applied in FP1-1 well by using an oil pipe in a vertical well to carry out annular air injection, so as to achieve rapid and steady injection and provide great protection of coal seams as well as stability of well wall.

通过一个直井的油管向另一水平井环空注气实现欠平衡的钻井工艺在FP1-1井中得到成功应用,实现了快速、平稳注气,有力地保护了煤层并维持了井壁稳定。

Security of casing string in gas injection well altered from water injection well;

注水井改为注气井的套管柱安全性研究

Through field application, the results show that the technology has features of lowering gas injection pressure, deepening the depth of injection point and savi.

油管压力操作气举阀的打开和关闭主要由阀深度处生产压力的大小所决定,因此它与常规套管压力操作阀气举工艺相比,所需注气压力更低。