Because the permeability, semi-diameter of a pore throat and effective thickness distribution are more uniform than those of major reservoirs, polymer flooding with bigger width index of middle molecular weight distribution is adopted to improve the polymer flooding effect.
大庆油田萨中开发区北一二排西部上返二类油层聚合物驱区块为一套陆相河流~三角洲碎屑岩沉积,由于二类油层渗透率、孔喉半径、有效厚度分布相对于主力油层均匀,适宜采用分子量分布宽度指数较大的中分子量聚合物驱油,可提高聚合物驱油效果。
A unit of length derived from the breadth of a finger and equal to about of an inch(2.0 centimeters).
指宽，指幅从手指宽度派生出的长度单位，等于居?寸（2。0厘米）
Analysis of relationship between finger width and recognition rate
手指宽度选取与识别率对应关系分析
The length or width of a finger.
指长,指宽一手指的长度或宽度
lateral reversal =lateral image latitude
宽容度﹝指菲林对感光的宽容程度﹞
Callout with adjustable bracket and dashed pointer at side. Selection handle controls paragraph width.
可调的方括号和虚指针位于侧边的标注。选择手柄可控制段落宽度。
Word balloon with adjustable pointer on bottom or top. Selection handles control paragraph width.
在底部或顶部带可调指针的文字提示框。选择手柄可控制段落宽度。
Word balloon with adjustable pointer on left or right side. Selection handle controls paragraph width.
在左侧或右侧带可调指针的文字提示框。选择手柄可控制段落宽度。
Callout with pointer centered at bottom of text block. Selection handles adjust paragraph width.
指针位于文本块底部中间的标注。选择手柄可调整段落宽度。
Callout with outline box and elbow pointer at bottom of text block. Selection handle controls paragraph width.
外框和肘形指针位于文本块底部的标注。选择手柄可控制段落宽度。
Callout with border line and pointer at bottom of text block. Selection handles control paragraph width.
位于文本块底部带边框线和指针的标注。选择手柄可控制段落宽度。
Callout with pointer at side of text block. Selection handle controls paragraph width.
指针位于文本块侧边的标注。选择手柄可控制段落宽度。
Callout with baseline and elbow pointer at bottom of text block. Selection handles adjust paragraph width.
底线和肘形指针位于文本块底部的标注。选择手柄可调整段落宽度。
Callout with outline box and pointer at side of text block. Selection handle controls paragraph width.
外框和指针位于文本块侧边的标注。选择手柄可控制段落宽度。
Callout with border line and pointer at side of text block. Selection handle controls paragraph width.
边框线和指针位于文本块侧边的标注。选择手柄可控制段落宽度。
Callout with elbow pointer at middle of text block. Selection handle controls paragraph width.
肘形指针位于文本块中间的标注。选择手柄可控制段落宽度。
Callout with adjustable elbow pointer at side of text block. Selection handle controls paragraph width.
可调的肘形指针位于文本块侧边的标注。选择手柄可控制段落宽度。
Callout with elbow pointer at side of text block. Selection handle controls paragraph width.
肘形指针位于文本块侧边的标注。选择手柄可控制段落宽度。
Callout with outline box and elbow pointer at side of text block. Selection handle adjusts paragraph width.
外框和肘形指针位于文本块侧边的标注。选择手柄可调整段落宽度。