polymer flooding
聚合物驱
2025-11-01 09:50 浏览次数 9
聚合物驱
there are challenges and risks in applying the technology of polymer flooding to offshore heavy oil development because of the development particularity.
由于海上稠油油田开发的特殊性,聚合物驱技术的应用面临着挑战和风险。
anew forecasting method of wellhead injection pressure for polymer flooding is established based on dupuit formula.
依据裘比公式建立了一种新的聚合物驱油井口注入压力预测方法。
results show that polymer flooding can improve the producing reserves effectively, extend the plane sweep efficiency, reduce the difference between layers and balance the in-layer vertical producing.
结果表明,聚合物驱可有效地提高油层的动用状况,扩大平面波及系数,减小层间差异,使层内纵向动用更加均匀。
the investment of polymer flooding is 60% more than that of water flooding.
聚合物驱与水驱的单井投资相比,其投资增幅约为60%。
polymer flooding technics can stabilize crude oil output, but it also increases the difficulty of crude oil demulsification and sewage treatment.
聚合物驱工艺在稳定原油产量的同时也给原油破乳和污水处理增加了难度。
after polymer flooding and polymer cross link micro gel flooding, the residual oil mainly distributes in middle and low permeable reservoirs. this is the potential area of eor.
在聚合物驱及聚合物交联微凝胶驱后,地层内剩余油主要分布在中、低渗透层,这是进一步提高采收率的潜力所在。
abstr: polymer flooding has become one of the most potential eor methods both at home and abroad.
文章摘要:聚合物驱已成为国内外最具发展潜力的三次采油方法之一。
by limited difference method, two dimensional, two phase polymer flooding numerical model is built.
并通过有限差分方法,建立了二维两相聚合物驱数值模型。
above results have a significance in studies on the mechanism of polymer flooding and improvement of flooding efficiency.
上述结果对研究聚合物驱油机理,提高驱油效率有一定意义。
polymer flooding technology enhances oil recovery by increasing the sweep efficiency of water.
聚合物驱油技术是通过提高水的波及系数提高原油采收率。
the development investment and operation cost of polymer flooding and asp(alkali, surfactant and polymer)flooding are compared with the economic benefit of water flooding.
对聚合物驱、三元复合驱的开发成本和单位操作成本与水驱的经济效益进行了对比。
it has become an important subject to be resolved necessarily with polymer flooding being applied to enhance oil recovery and increasing sewage quantity year by year.
随着各个油田相继采用聚合物驱以提高原油采收率,采油污水的数量在逐年增加,其处理已经成为一个亟待解决的问题。
a new high-concentration ultra-high molecular weight polymer flooding is provided after the research for utilizing produced water efficiently for several years.
通过几年来污水有效利用技术攻关,提出了采用高浓度、超高分子聚合物驱油技术方法。
to ensure the effect of polymer flooding, polymer flooding process generally use low salinity water for preparation of polymer solution.
为保证聚驱效果,聚合物驱油过程中一般采用低矿化度清水配制聚合物溶液。
polymer flooding is still the main eor technique, but production target has transferred from major reservoirs in the north to major reservoirs in the south and second-class reservoirs in the north.
聚合物驱仍是主要的提高采收率技术,但开采对象已由北部的主力油层转向南部的主力油层和北部的二类油层;
pressure changes in polymer flooding is related with many factors. by which the efficiency of polymer flooding is directly reflected.
聚合物驱时注入压力的变化与许多因素有关,它可直接反映注聚效果的好坏。
ppg as a new type of immiscible polymer flooding system was studied for the purpose of enhancing the oil recovery of after polymer flooding reservoirs.
针对聚合物驱后油藏缺乏有效提高采收率接替技术的问题,研发了新型非均相聚合物驱油剂ppg产品。
the experiment manifests that high concentration polymer flooding is a good way to enhance oil recovery.
实验表明,采用高浓度聚合物驱油是一种较好的提高原油采收率的方法。
therefore, we can make sure that polymer flooding can obviously improve a sweeping efficiency, but do not think it can improve oil displacement efficiency.
因此,确切地说聚合物驱可以提高波及效率,但不能认为聚合物驱可以提高驱油效率。
based on oil-water two phases network simulation model, the microscopic simulation model for polymer flooding was provided together with polymer seepage mechanism.
基于油水两相流网络模拟模型,综合考虑聚合物渗流机理建立起聚合物驱微观模拟模型。
the sweep efficiency and oil displacement effect of polymer flooding in seven spot and five spot patterns for single and multizone reservoirs were simulated by numerical simulation.
用数值模拟研究手段对七点法井网、五点法井网以及单油层、多油层聚合物驱的波及系数及驱油效果进行了模拟;
for further enhancing polymer flooding effect, improving intake capacity between the layers and expanding swept volume effectively is one of the most effective means.
进一步提高聚合物驱油效果,其中最有效的手段之一就是改善注聚层间吸水状况,有效地扩大波及体积。