Evaluation method on oil well water plugging 油井堵水效果評(píng)價(jià)方法
Different plugging ability of selective water plugging agent for oil and water 選堵劑對(duì)油水的封堵能力
Application of multistage water plugging process in high pour - point oil field 多級(jí)堵水工藝技術(shù)在高凝油油田的應(yīng)用
Balanced water plugging technique 平衡堵水工藝
Optical prescription of the selective water plugging agent and its application in songfangtun oilfield 選堵劑的最佳配方及其在宋芳屯油田的應(yīng)用
At present , liaohe oilfield is in its middle and late stages of exploration and development , which means it is more difficult to keep a stable production . in recent years , a series of stimulation measures such as reperforation , water plugging and so on have been taken in different parts of the field to improve oil production and relax the natural depletion 目前,油田勘探和開發(fā)均已進(jìn)入中、后期,穩(wěn)產(chǎn)難度越來越大,為了阻止原油產(chǎn)量的遞減,近幾年遼河油田在全油區(qū)都不同程度地加大了進(jìn)攻性措施的工作量,對(duì)油井采用了補(bǔ)層、堵水等一系列技術(shù)措施,大大的提高了油井的產(chǎn)量,有效的緩解了全油田產(chǎn)量的自然遞減。
Key issues including water plugging types , waterproof board spreading methods , drop of external water pressure and lining design for resisting hydraulic pressure , etc . were studied , thus the composite waterproof and drainage system to control drainage were put forward , including grouting sphere for water plugging , primary support , grid sysytem for waterproof and drainage and lining to resist hydraulic pressure 重點(diǎn)就堵水方式、防水板鋪掛形式、外水壓力的折減以及抗水壓襯砌設(shè)計(jì)等技術(shù)問題進(jìn)行了研究,提出了可通過注漿堵水圈、初期支護(hù)、防排水網(wǎng)格和抗水壓襯砌形成綜合防排水體系,它可以達(dá)到控制排放的目的。