产油层

委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。生产压差对疏松砂岩储层出砂影响规律研究

Venezuela , oil is produced from lenticular sandstone beds of the Oligocene oficina Formation . A research into drawdown pressure impacts on sand production from unconsolidated sand reservoirs

本文主要对松辽盆地北部地层水中指纹化合物的含量和分布特征进行研究，进而提出这些化合物在该地区产油层和非产油层水中含量指标。

The paper mainly discusses about the content and distributive characteristics of " fingerprint " compounds in the formation water of northern Daqing Basin , proposing the indices on their content in productive and non-productive formation waters .

对聚驱开采而言，其主力产油层和压裂目的层同属高渗透油层，压裂液中聚合物和添加剂能够穿透多数孔喉形成内部滤饼。

As exploitation of polymer-flooding was concerned , the main productive zone and selective zone for fracturing were both high-permeability reservoirs , polymer and additives in the fracturing fluid were able to penetrate most of the pore throats and formed mud cake .

聚合物驱产出水回注油层的污染物质确定

Analysis of contaminants in water produced from formation with polymer flooding and its possibility for recycling

所谓分层配产就是针对各油层不同的渗透性能，采用不同的生产压差进行油井的开采。

The layered production allocation device adopts different production pressure drop to exploit oil well according to the different permeability of each oil layer .

水泥石抗压强度较高，能满足某些特殊井固井、油井堵水、产层堵漏、油层防砂工艺的要求；

In addition , the higher compressing resistance of the cement rock could meet the requirements of cementing in some special wells , oil well water blocking , production formation plugging and sand controlling .