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- When a well drilling job is completed,the residual gelled PRD polymer drilling-in fluid in the bottom must be treated by a proper gel breaker(GB) to prevent from reservoir formation damage. 用PRD聚合物钻井液钻井完钻后,须对井筒内余留的钻井液实施破胶处理,以免钻井液污染地层。
- Keywords Reservoir Formation damage;Drilling Fluids;Cement Slurries;Core Permeability;Cement Slurry Filtrate;Solid Particle Formation;Dynamic Core Damage; 储层损害;钻井液;水泥浆;岩心渗透率;水泥浆滤液;固体颗粒析出;动态岩心污染;
- reservoir formation damage 储层损害
- A discussion on some significant ideas in the project "to Protect oil and gas reservoir from formation damage" is presented in this paper. 本文对“保护油气层防止地层损害”这一课题中的若干重要概念进行了探讨。
- Through analyzing the characteristic of reservoir bed, formation geologic feature, and potential formation damage factor, the opti... 优选适合勘探开发蓬莱镇组气藏的钻井完井液类型,维护处理技术。
- It will cause serious formation damage while water intrude into the gas reservoir during drilling, completion and development. 在钻井完井及开发过程中，工作液及边底水侵入致密砂岩气藏会导致严重的储层损害。
- On the basis of analyzing the petrologic characteristics of Triassic reservoir in jilake area,Talim u basin,the potential factors of formation damage are discussed. 本文在分析塔里木盆地吉拉吉地区三叠系储层岩石学特征的基础上，探讨了潜在的地层损害因素。
- Study of formation damage mechanism caused by organic deposition. 有机垢对地层损害机理研究。
- Formation damage mechanism of buried-hill reservoir may differ seriously from the overlying sandstone reservoir because of the different reservoir characteristics. 潜山储层和上覆沉积层砂岩储层特性明显不同,因此其损害机理有较大差异。
- However, the hydrocarbon accumulation or reservoir formation requires some thickness of source rock. 但油气的聚集和油气藏的形成，对源岩厚度有一定要求。
- Intersalt dolomites are both source and reservoir formations. 江汉盆地盐间白云岩既是烃源岩又是非常规储集层。
- It is proposed that wa-ter sensitive and alkalinity sensitive are main factors of formation damage, acidizing is not suitable for the reservoir, meanwhile, there are the possibility of velocity sensitivity and sand inflow in there ervoir. 文章指出，塔里木盆地吉拉吉地区三叠系地层损害以水敏和碱敏为主，速敏和酸敏次之，还存在出砂的危险，且不宜采用酸化增产措施。
- The reservoir formation water is characterized by TSD=20 g/L and CaCl_2 type in water classification. 地层水CaCl2型,矿化度20g/L。
- The reservoir formation characteristic is “anticline structure controls hydrocarbon acc... 油藏类型以断鼻、断块为主。
- Formation damage in low permeability reservoir possesses the characteristic of high sensitivity to pressure, serious liquid blockup and obvious drilling fluid invasion to formation. 低渗透气藏的地层损害具有压力敏感性高、液体滞留效应严重和反向吸入现象明显的特点。
- Hydrocarbon migration has always been a nodus of hydrocarbon reservoir formation research. 对于油气运移的研究一直都是油气成藏研究中的要点。
- Therefore the properties of multiphase structural superposition and multistage reservoir formation are displayed. 形成了多期构造叠加、多期成藏的特点。
- For being able to increase the rate of penetra ti on and decrease formation damage, gas drilling has become an effective approach for developing the low-pressure and low-permeability reservoir. 气体钻井具有提高机械钻速、降低储层伤害等特点,是开发低压低渗油气田的有效方法。
- Formation damage caused by drilling and perforation is a major factor that reduces reservoir productivity. Someresults on this subject achieved abroad in recent years are summarized in this paper. 油气层在钻井和射孔过程中所受到的损害是影响油气层原始产油率的主要因素。本文介绍了近年来国外在这方面的一些研究成果。
- Himalayan tectonic movement has significant influence on the geology evolution and the oil-gas reservoir formation in the Ordos Basin. 喜马拉雅运动对鄂尔多斯盆地断裂构造演化和油气藏的形成与分布具有十分重要的影响。
