在稠油开采中，经济、有效、环保的井筒降粘技术是十分重要的。
In sticky oil production, economy, efficiency, environmental protection for well bore to reduce density is very important.
本发明涉及到在稠油开采过程中使用耐高温水基降粘剂可以大幅度提高石油采收率。
A water-base viscosity-reducing agent is used to regular steam alternately inflow-outflow well or heat-water-filling well, which can promote petroleum extraction rate.
在稠油开采过程中，掺水法是降低稠油粘度、增加其流动性达到提高开采效率的重要措施之一。
In exploiting heavy oil, water blending is one of the most important methods to lower viscosity of heavy oil and increase its flow property for enhancing oil recovery.
在稠油开采中，储层岩石力学及应力特征对钻井、完井和注汽开采全过程的影响比其它类型油层均更为显著。
For the viscous crude recovery, the influences of rock mechanics and stress characteristics of reservoir on drilling, completion and gas injection development are more clear.
该开采方式在渤海稠油油田得到成功应用。
The production way is successfully applied in Bohai in heavy Oilfield operation.
产表面活性剂菌在微生物采油特别是稠油微生物开采领域起着重要作用。
Surfactant producing bacteria plays an important role in microbial enhanced oil recovery, especially in the field of viscous oil exploitation by bacteria.
这类稠油油藏注蒸汽开采，在技术和经济上存在很大的风险性。
There are technical and economical hazards in the thermal recovery of this type of reservoirs.
为在稠油热采蒸汽驱阶段提高注汽干度，进而提高稠油开采率，引进了高压汽水分离器。
During viscous crude oil steam flooding, a high pressure steam water separator is introduced to improve steam quality and then enhance recovery factor.
在稠油油藏的各类开采技术中，注蒸汽开采技术是最常用的开采技术。
The technology of steam injection production is the most commonly used among various techniques for the heavy oil recovery.
在稠油油藏的各类开采技术中，注蒸汽开采技术是最常用的开采技术。
The technology of steam injection production is the most commonly used among various techniques for the heavy oil recovery.
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