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- Relative permeability modifiers (abbr. RPM) is a kind of selective water plugging agent, namely it only decreases the permeability of water phase, causes little or even no impact on oil phase. 相滲透率改善劑(RPM,Relative Permeability Modifiers),從性能上說屬於一種選擇性堵劑,即只大幅降低地層水相滲透率,而對油相滲透率降低很少甚至不降低的一種物質。
- SELECTIVE WATER PLUGGING AGENT ON BASE OF ANIONIC-CATIONIC-NONIONIC POLYMER CAN-1 CAN-1陰陽非離子型聚合物選擇性堵水劑的研究與應用
- High Strength Polymer/Water Glass Gelling Fluid CY-98 for Selective Water Plugging:Structure and Properties 高強度複合凝膠選堵劑CY-98結構與性能研究
- Keywords oil based cement slurry;plugging;transposing efficiency;surfactant;selective water plugging; 油基水泥漿;封堵;置換效率;表面活性劑;選擇性堵水;
- Practice and understanding for water plugging of Renqiu buried hill reservoir in high water cut period. 任丘潛山油藏高含水期的堵水實踐與認識
- The techniques used in the past, such as cementing and water plugging are not satisfied with present requirements. 鑒於此,研製出油井封堵注水泥一次不留管柱堵水工具,並形成了水泥堵水新工藝。
- During water plugging operation, the key factor of success is how to protect non-target zones from pollution. 在堵水封竄作業中,如何保護非目的層不受污染,是施工成功與否的關鍵。
- The main problems consisting in water plugging are that oil intervals alternated with water intervals in a zone. 現有的堵水封隔器不能滿足層內、薄夾層堵水,主要表現在不僅無法封堵連續射孔段炮眼;
- Separate implementation of sand control,water plugging and injectivity profile control had brought formation damage. 稠油油藏在開發過程中常遇到出砂、出水的問題,開採時分別進行防砂、堵水、調剖3種措施給地層帶來了傷害。
- Making Pu'er Tea includes five links: choose tea, prepare tools, select water and brew in hot water. 普洱茶的沖泡包括選茶、備具、擇水、投茶、沖泡五個環節。
- Water plugging is one of the most effective measures of controlling water cut rising, improving water flooding, increasing production rate of recovery. 油井堵水是控制油井含水上升、改善水驅效果、提高儲量采出程度的最有效措施之一。
- MDP 952 agent for profile control and water plugging is a mixture consisted of xylolite flour, hardening agent and some chemicals. MDP-952調堵劑是由菱苦土粉與硬化劑及一些化學助劑組成的混合物。
- Abstract This paper introduces the structure,principle and field testing situation of the pipe string recently deve loped for chemical water plugging. 介紹了一種新近研製成功的化學堵水管柱的結構、原理、現場試驗情況;
- It also presents that the development of the profile control and water plugging a-gents should focus on low cost, multifunction and high efficiency. 提出了堵水調剖劑應向著低投入、多功能、高效率的方向發展。
- A kind of non-selective water plugging agent have been used in temporary blocking workover in 4 wells,and some better results have been obtained. 使用非選擇性堵水劑作為暫堵劑,在4口井上進行了暫堵修井作業,取得了較好的效果;
- The preparation of profile control agent having swellable particles from oily sludge for water plugging and profile control was a new measure of sludge treatment and utilization. 利用含油污泥製備膨體顆粒調剖劑用於調剖堵水是一種新的污泥資源化技術,研究了含油污泥的預處理方法,尤其是除油技術。
- Model ZC string-supporting centralizer is developed in order to extend the service life of the releasing water plugging string and the water injection string. 為了延長丟手堵水和斜井注水等管柱的工作壽命,研究了一種ZC型堵水注水管柱支撐扶正器。
- After the formula and operation technologies of superfine cement plugging are improved, it can greatly improve the effectiveness of water plugging in Henan oilfield. 超細水泥封堵技術是封堵油水井高滲透層段,減少產水量或無效注水,提高注入水驅油效率的有效措施之一。
- The incorporate technology can settle sand control, water plugging and injectivity profile control in one time and reduce formation damage and operating cost. 一次性實現防砂、堵水、調剖的工藝技術,可節約費用,減少對地層的傷害。
- For the cores with different permeability, its water plugging rate was higher than 85% ,oil plugging rate was lower than 20% , and-selectivity was good. 對不同滲透率的岩芯,堵水劑的堵水率大於85%25,堵油率小於20%25,具有良好的選擇性。