gas rock

A predictive model of gas content in coal reservoirs based on multiple stepwise regression analysis: a case study from Qinshui Basin;

基于多元逐步回歸分析的煤儲層含氣量預測模型——以沁水盆地為例

Quantitative analysis of geological factors affecting coal-seam gas content;

影響煤層含氣量地質因素的定量分析

Coalbed gas content is an important information which is essential for exploration and development,selected area evaluation and reservoir study of coalbed methane,and to obtain the accurate lost gas is the key to determine the reliability of coalbed gas content.

煤層含氣量是煤層氣勘探開發、選區評價和儲層研究必不可少的重要資料,而準確求取損失氣量又是決定煤層含氣量可靠性的關鍵。

Comprehensive evaluation of gas-bearing traps in volcanic rocks of Xujiaweizi depression;

徐家圍子斷陷火山巖圈閉含氣性的綜合評價

It is difficult to evaluate its gas-bearing correctly with conventional logging methods.

川西地區須家河組為特低孔滲的裂縫性致密碎屑巖儲層,儲層巖性多變,裂縫和溶蝕孔發育不均,儲層各向異性極強,常規測井方法難以準確評價其含氣性。

Analyses data as average methane content, saturation, critical desorption pressure and theoretical recovery in the main coal reservoirs as well as desorption rate and desorptionable volume of coal bed methane(CBM).

分析了潞安 -晉城 (新區 )礦區主煤儲層的平均含氣量、飽和度、臨界解吸壓力、理論采收率以及煤層甲烷解吸率、可解吸量等數據 ,得出本區主煤儲層平均解吸率約為 37% ,高于全國其它地

The void fraction increases with prolonging of agitation time.

結果表明,表面活性劑SDS的濃度在臨界膠束濃度、攪拌速度6400r/min、攪拌時間3min時制備的CGA最穩定,CGA的含氣率會隨著攪拌時間的延長而有所增加。

In this paper,the prediction of void fraction and pressure drop for upward gas-liquid annular flow in a vertical annulus is studied.

對垂直同心環形管內上升氣液環狀流的截面含氣率及壓降預測進行了研究 。

A sensor with semi-circle capacitor is adopted to on-line automatically and averagely measure the void fraction of crude oil.

根據原油含氣時其介電常數變小的原理,分析了油氣混合介質的相對介電常數與含氣率的關系。