1) temporary plugging drilling fluid
屏蔽暂堵钻井液
1.
A temporary plugging drilling fluid is developed.
研制了屏蔽暂堵钻井液 ,进行了室内损害评价和现场应用 。
2) drillingfluidwithshieldingandtemporaryplugging
钻井液屏蔽暂堵
3) shield temporary plugging
屏蔽暂堵
1.
Indoor research of new shield temporary plugging drilling fluid in low-permeability oilfields;
低渗透油藏屏蔽暂堵钻井液室内研究
4) temporary shielding plugging
屏蔽暂堵
1.
Application of suspend cross link temporary shielding plugging agent HPG;
HPG延缓交联型屏蔽暂堵剂的应用
2.
In view of reservoir characteristics and leakage damage models,temporary shielding plugging technologies applied for the prevention leakages and protection reservoir was put forward,laboratory and field tests showed that the technology had a better effect.
针对储层地质特征及漏失损害模式,提出了屏蔽暂堵技术预防储层漏失和保护储层技术,室内实验和现场试验表明,该技术有着较好的应用效果。
3.
HTHP acid soluble and broken down appraisal instrument can not only simulate the temperature,pressure,and the flow condition of fluid down hole directly,but also accomplish the evaluations of temporary shielding plugging effect and kinds of working fluids damage to the reservoir.
HTHP酸溶解堵评价仪可以直接模拟井下温度、压力、流体流动条件,完成工作液屏蔽暂堵效果评价及工作液对储层损害评价。
5) Shielding and temporary plugging
屏蔽暂堵
1.
Techniques of auto-adapting shielding and temporary plugging drilling fluid;
自适应屏蔽暂堵钻井液技术
6) temporary plugging
屏蔽暂堵
补充资料:暂堵剂
分子式:
CAS号:
性质:能暂时降低地层渗透性或暂时封堵高渗透油层的物质。与水溶性聚合物混合后注入井内,在压差的作用下能够迅速形成薄而致密的油层暂堵带,经过一定时间后可自行或人工解堵。根据其可溶性和作用原理不同,可分为以下四类:(1)酸溶性暂堵剂;(2)油溶性暂堵剂;(3)水溶性暂堵剂;(4)单向压力暂堵剂。例如在酸化时,酸液中加入石蜡、萘的粉粒或硅粉等固体颗粒;当酸液向高渗透段渗入时,固体颗粒即从酸液中滤出,把高渗透层的孔眼堵住,使酸液大部进入中、低渗透层段。酸化后,石蜡和萘粒被油溶解,硅粉随油、气流到地面。
CAS号:
性质:能暂时降低地层渗透性或暂时封堵高渗透油层的物质。与水溶性聚合物混合后注入井内,在压差的作用下能够迅速形成薄而致密的油层暂堵带,经过一定时间后可自行或人工解堵。根据其可溶性和作用原理不同,可分为以下四类:(1)酸溶性暂堵剂;(2)油溶性暂堵剂;(3)水溶性暂堵剂;(4)单向压力暂堵剂。例如在酸化时,酸液中加入石蜡、萘的粉粒或硅粉等固体颗粒;当酸液向高渗透段渗入时,固体颗粒即从酸液中滤出,把高渗透层的孔眼堵住,使酸液大部进入中、低渗透层段。酸化后,石蜡和萘粒被油溶解,硅粉随油、气流到地面。
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参考词条