A study on opposite phase emulsion polymerization and performance of MDNC——a new gelling agent of acidizing fluid;
新型酸液稠化剂MDNC的反相乳液聚合及性能研究
Summarize unconventional acidizing fluid compared to mud acid in sandstone formation;
砂岩酸化非常规土酸酸液综述
Considering the characteristics of small pore throat radius, high mud content and tiny hole development in Niu 35 Block of Shengli Oilfield, the acidizing experiments in lab have been conducted by use of several kinds of acidizing fluids, including merchandise acid, hydrochloric acids and mud acid fluids with different concentrations.
针对胜利油田牛35块油藏孔喉半径小、泥质含量高、微孔隙发育等储层特点,以商品酸、不同浓度盐酸和不同浓度土酸进行酸化效果实验,中等浓度盐酸或中等浓度土酸酸液综合效果最好。
The phenomenon of acid fingering in pad acid fracturing treatment directly affects acid distribution, effective distance, fracture conductivity.
针对前人以有机玻璃平行板形成模拟裂缝,模拟指进现象与实际的酸液指进在物理化学背景上存在明显差异的问题。
This paper presents the selection standards of preflush and acidizing fluid used in deep acid-fracturing for high temperature carbonate reservoir.
试验结果表明,降阻稠化酸具有很好的缓速性能、降阻性能及防粘土膨胀性能,配伍性好;酸液体系均具有较低的表面张力,有助于残酸快速反排;前置液基液具有耐温、耐酸性,粘度适中,与降阻缓速酸配伍性好等特点,均能满足板深7井深度酸化压裂的要求。
In consideration of the shortcomings of more dissolved clay, less dissolved quartz and poor matrix reconstruction effect in a conventional acid fluid used for water injector acidizing in Henan Oilfield at present, a new acidizing system is developed, which is composed of organic acid, fluore-salt and a series additive.
针对目前河南油田注水井酸化使用的常规酸液溶蚀粘土多、溶蚀石英少、基质改造效果差的缺点,研制出一种新型酸液体系。
Due to multiple organic plugs such as bacteria,polymers and inorganic plug during the course of acid stimulation,which leading to un-desired efficiency of removing plug,a new prescription and technique that use ClO_2 and acid fluid together to remove plug is developed basing on a series of indoor experiments and studies.
针对百色油田油水井酸化中存在细菌、聚合物等多种有机和无机堵塞,解堵效果不理想的情况,通过室内系列实验研究,得出二氧化氯与酸液协同解堵新配方和新工艺。
The commonly used acid fluid and additive and the method of acid placement and diverting are also given.
文中给出了引起损害的原因、解除的方法 ,并给出了目前常用的酸液、添加剂以及酸液置放和分流的方法。
Aiming at the oneness of acid to deliquesce stratum-jam applied in scene at the present time,which is incapable of deliquescing complex dirty simultaneously,this article confects a new multifunctional O/W acid.
配制出一种新型多功能水包油型解堵酸液。