2) reservoir pollution
油层污染
1.
Research on reservoir pollutionand pellution taluction in Chengdao oll field;
埕岛油田油层污染及减少污染研究
4) formation damage
油层污染
1.
The formation damage during drilling are recognized as 2 types: mud solid particles plug and mud filtrate invasion.
钻井过程中的油层污染可分为泥浆固相颗粒侵入和滤液侵入2种类型。
2.
The drilling fluid formula was optimized to control the formation damage to the refervoir.
针对埕北 32东营组油层情况 ,评价了储层敏感性 ;研究了该区使用的海水低固相聚合物钻井液的性能及对该油层渗透率恢复值和滤液侵入深度等的影响 ,为该储层优选了防止油层污染的钻井液配方。
3.
The principles of oil formation damage and sanding are presented, and the geological and mathematical models to describe the process are developed.
结果表明，本模型可以很好地模拟和预测由汕层结构破坏和出砂造成的油层污染过程及该类油层近井地带不同开发阶段的污染程度，对于油层的评价、增产措施的实施等具有重要意义。
5) formation damage
储层污染
1.
In general, the formation damage is evaluated by transient test, which only reflects the damage of neighborhood wellbore while as for deep.
通常 ,人们通过试井手段来进行储层污染评价 ,但仅限于井筒周围附近地带 ,试井得到的地层参数反映的也只是近井地带的性质。
2.
Studyon the formation damage mechanisms of Nanyi Mountain E_3~2 condensate gas reservoir in Qinghai.;
通过薄片分析、X-衍射、扫描电镜、压汞和室内各种静态伤害试验,研究了储层的储集空间、孔隙结构、粘土矿物种类以及敏感性等基本特征,分析了储层污染的潜在因素及伤害机理。
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参考词条