微孔隙的英文
micropore
microporosity
microvoid
例句与用法
- The dominant storage space is the solution micropores , the honeycomb - like solution pores and the kaolinitic intercrystalline pores . the pore throat is small to very small . the main characteristics of the reservoirs are low porosity and low permeability
砂岩的储集空间以粒内溶孔、粒间溶孔、高岭石晶间隙等次生微孔隙为主，具有孔径小喉道细的特点。 - Study on sell logging and core analysis shows that fine lithology and complicate pore structure are main reason for micropores development of reservoirs , causing ultra - high irreducible water saturation
摘要对曲堤油田测井、录井、岩心分析等资料的研究分析表明，岩性细、孔隙结构复杂，造成储层的微孔隙发育，进而导致束缚水饱和度极高是该油田形成低阻油层的主要成因。 - The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes , which , in turn , have exerted a direct and important effect on the sequence stratigraphic development . collectively , the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones . the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage , and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage
系统的储层特征研究表明，该区延长组储层成因类型主要为三角洲前缘水下分流河道、河口砂坝及三角洲平原水上分流河道微相细粒长石砂岩、粉砂岩；储层岩石经历了压实，胶结，溶蚀等成岩作用，历经早成岩机械压实和化学压溶孔隙缩小期、晚成岩a亚期溶蚀作用孔隙扩大期及晚成岩a亚期( b亚期)胶结充填孔隙缩小期三个成岩-孔隙演化阶段；储层物性总体上具有较低孔渗、低孔渗的特点，孔隙类型主要为粒间溶孔、残余粒间孔隙、粒内溶孔、晶间孔及晶间溶孔，裂缝不发育，储集岩排驱压力和中值压力较高，孔隙结构类型以细小孔-微孔隙，微细喉-微喉型为主。 - Observation of drilling cores and casting - sections and the characters of pore structures and permeability of the matrix of the lower - ordovician carbonate in comparing with the lower limit of a reservoir for matrix reveal that the porosity , permeability , maximum pore diameter , saturation and median throat diameter in the matrix with undeveloped fissures , holes and solution pores are far lower than those of a reservoir limit although some micro - pores are developed in the matrix which therefore has no capacity of storing and producing oil - gas
摘要通过钻井岩心和铸体薄片观察，根据下奥陶统灰岩基质的孔渗特征和孔隙结构特征，并与基质作为储层的下限对照裂隙、洞穴和溶蚀孔洞不发育的灰岩基质，发现尽管有微孔隙的发育，但其孔隙度、渗透率、最大孔喉半径、饱和度、中值喉道半径等参数值远低于储层下限值，基本不具备储集和生产油气的意义。 - In this paper , thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method , hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals , the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature , the potential reservoirs were classified according to trap types in this area , the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition , reserved condition etc , and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution . based on above , the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration
本文用tti方法研究了烃源岩有机质的热演化史和油气生成史，并结合区内构造发育特征，探讨油气在区域上的运移方向和在时间上的运移期次；通过对储集层段的发育特征和控制因素的研究，预测了本区主要的储集层段在横向上和纵向上的分布规律，并结合孔隙演化特征，探讨储集条件在油气聚集成藏中的作用；利用微毛细管压力曲线法和压汞法，对石炭系?下三叠统的区域盖层和直接盖层的微孔隙特征进行了定量评价，并结合水文地质分布特征，指出有利于油气保存的地区；根据区内存在的各种圈闭类型，对可能存在的油气藏进行了分类，并试图从油气的生成与运移、储集条件、保存条件等方面，动态地综合评价石炭系?下三叠统油气成藏条件，并结合构造演化特征，预测其油气藏类型和成藏模式。
