The target uncertainty of horizontal well in the small block reservoir is more outstanding than in the common reservoir.
小断块油藏水平井目标点的不确定性，比一般油藏更为突出。
It is difficult to develop the small fault-block reservoir for its complicated geologic conditions in Machang Oilfield.
马厂油田是一个地质条件较为复杂的小断块油田，开采难度大。
In Can 2X1 small fault-block viscous oil reservoir in Jidong Oilfield, reservoir is buried deeply, boundary and bottom water is active.
冀东油田蚕2X1小断块稠油油藏埋藏深、边底水较活跃，为此提出以热采作为该块的开发手段。
The method is practical for the small fault-block oil and gas fields, which are a few fault and simple reservoir.
应用实例表明，该方法在断层少，含油层系单一的小型断块油气田具有一定的实用价值。
Study of using CO2 stimulation process in Wei-5thin-layer heavy oil reservoir with medium-low permeability and complicated small fault block is conducted.
针对江苏油田韦5中低渗复杂小断块薄层稠油油藏进行CO2开采方式研究，为同类型稠油油藏利用CO2开采提供有益的借鉴。
The south block of Yulin gas Field is of great development difficulty because it is a low permeability gas reservoir which produces small proportion of gas condensate.
榆林南区为产少量凝析油的低渗透气藏，其开发难度较大。
The south block of Yulin gas Field is of great development difficulty because it is a low permeability gas reservoir which produces small proportion of gas condensate.
榆林南区为产少量凝析油的低渗透气藏，其开发难度较大。
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