1.EVOLUTION OF RAPIDS OF CREEK MOUTH-BAR AT GEZHOUBA RESERVOIR AND THE IMPACTS ON NAVIGABLE CHANNEL IN THE UPPER REACHES OF THE CHANGJIANG RIVER
EVOLUTION OF RAPIDS OF CREEK MOUTH-BAR AT GEZHOUBA RESERVOIR AND THE IMPACTS ON NAVIGABLE CHANNEL IN THE UPPER REACHES OF THE CHANGJIANG RIVER
2.RESERVOIR SEDIMENTOLOGY OF MARINE CLASTIC ROCKS OF SILURIAN AND DEVONIAN SYSTEMS OF THE TARIM BASIN
RESERVOIR SEDIMENTOLOGY OF MARINE CLASTIC ROCKS OF SILURIAN AND DEVONIAN SYSTEMS OF THE TARIM BASIN
3.Combined with such as the seismic, well-logging data, core, FMI imaging logging data, the paper evaluates the reservoir of Ordovician in Ka 1 block, and designates tow type reservoir rock: dolomite, limestone and four type reservoir:dissolution-void reservoir, dispersive fracture reservoir, fracture-void reservoir, vertical fracture reservoir. Thereinto, dolomite of middle-lower Ordovician reveals be mostly fracture reservoir, limestone of upper Ordovician reveals be mostly dissolution reservoir.
卡1区块的主要储集岩为石灰岩与白云岩,储层主要有四种类型:溶蚀-孔洞型储层、分散溶洞型储层、裂缝—孔洞型储层、高角度裂缝型储层,中下奥陶统白云岩主要为溶蚀型储层,而上奥陶统石灰岩则主要发育裂缝型储层。
4.The sedimentation is the foundation, affecting the basic pattern of the reservoir,and the sedimentary facies zones beneficial to the formation and evolution of the reservoir includes platform edge bank facies, introplatform point beach facies and acclivity sedimentary facies, etc.; the diagenesis is the key factor, determining the pattern and scope of the final distribution of the reservoir and being of great influence on reservoir structure, and the diagenesis of promoting the formation of storage rooms is mainly the dissolution occurred during hypergene stage and burial stage;and the tectonism is the condition of influencing the connectivity among various reservoir bodies and among the storage rooms within a single reservoir body.
该套储层是在4亿年左右的地质历史中,由沉积、成岩和构造作用相互影响而形成的最终成果:其中沉积作用是基础,影响着储层的基本形态,有利于储层形成与演化的沉积相为台地边缘滩、台内点滩和上斜坡等沉积相带;成岩作用是关键,决定了储层的最终分布形态和范围,对储层结构的影响至关重要,促进储集空间形成的成岩作用主要有表生期和埋藏期的溶解作用;构造作用是条件,影响着各储集体之间以及单一储集体内部储集空间的连通情况。
5.The available reservoirs of Ordovician carbonate in central Tarim can be classified into 3 types as epidiagenetic paleo-karst reservoir,burial karst reservoir and interlayer dolomite reservoir,and the epidiagenetic paleo-karst reservoir can be subdivided into 2 types as epidiagenetic karst reservoir formed later than Ordovician(EKR-1) and epidiagenetic karst reservoir formed from late Middle Ordovician to early Late Ordovician(Llandeilo to early Caradoc)(EKR-2).
将塔中地区奥陶系碳酸盐岩有效储层分为古潜山岩溶储层、埋藏溶蚀储层及内幕白云岩储层3大类,其中古潜山岩溶储层又可分为志留纪后古潜山储层及中晚奥陶世古潜山储层2类。
6.On the basis of analyzing the data on seism ,geology,drilling,logging,testing and production collected from 58 wells in Uppe r Shaximiao Formation (J 2 s 2) gas reservoirs in Xinchang field,and by a pplying fully the new deterministic (Post Stack/PAL,Strata,Rave,RM,Integralplus, Stratimagic) and random (Jason) modeling techniques and methods,the reservoir ma y be characterized in detail,overall,three dimensionally and quantitatively and the 3-D reservoir attributive parameters (including porosity,permeability and w ater saturation) model with a network size of 20m×20m×1μs(2m) was set up f or each of the J 2 s 2 1,J 2 s 2 2,J 2 s 2 3 and J 2 s 2 4 gas reservoirs,thus raising the accuracy of reservoir descript ion and overcoming the shortcomings in the interwell interpolation method used f or original reservoir prediction,which provides reasonable technical support for the stimulation of various reservoirs and the reasonable utilization of the pro ved reserves in Upper Shaximiao Formation gas reservoirs,and supplies reliable b asis for gas reservoir development deployment.
在对新场气田上沙溪庙组气藏 5 8口井的地震、地质、钻井、测井、测试及生产资料分析的基础上 ,充分运用确定性 (PostStack/PAL、Strata、Rave、RM、Integralplus、Stratimagic)和随机 (Jason)建模新技术、新方法对储层进行全面、细致的三维定量表征 ,建立了气藏J2 s2 1、J2 s2 2 、J2 s2 3 、J2 s2 4四套储层的三维空间储层属性参数 (孔隙度、渗透率、含水饱和度 )模型 ,网格大小为 2 0m× 2 0m× 1μs(2m) ,提高了气藏储层描述的精度 ,改进了原有储层预测在井间插值方面的不足。 对上沙溪庙组气藏各类储层的改造及已探明储量的合理利用提供合理的技术支持 ,为气藏开发部署提供了可靠依据。
7.In aspect of conditions to hydrocarbon reservoir formation, the author puts forward that high quality source rocks with abundant and easy hydrocarbon-produced micro-component is the basis of immature and low mature hydrocarbon reservoir formation, the best assemblage among source rocks, reservoir and cap is the prerequisite of hydrocarbon reservoir fonnation, whereas effective match among trap, hydrocarbon formation and migration is the key problem of immatire and low mature hydrocarbon reservoir.
在成藏条件方面,提出高丰度并有易于早期产烃的显微组分的优质烃源岩是未成熟油~低成熟油成藏的物质基础,最佳的生储盖组合是成藏的前提,而构造(圈闭)形成期与油气生成、运移期的时间有效配置是未成熟油~低成熟油成藏关键的新观点。
8.A reservoir numerical simulation model is established by analyzing the parameters of reservoir simulation, and simulation software is used to conduct a study on 3D and 3 phase reservoir numerical simulation, diagrams of water saturation distribution, unit-area residual oil distribution and a sheet of reserves of each sandbody are provided based on simulation result, the rules of residual oil distribution and potential of reservoir production are analyzed, the design of project adjustment and effect of the adjustment are analyzed.
应用数值模拟软件对面3块进行了三维三相油藏数值模拟研究。 根据拟合成果提交了含水饱和度分布图、单位面积剩余储量分布图和各砂体储量状况表,分析了剩余油分布规律和油藏开发潜力,对面3块进行了调整方案设计和调整后的效果分析。
9.There are 3 types of reservoir for the continuing subsidence type basin, there are diapir reservoir, fault reservior, drape reservoir, and the source rock is apart from the reservoir,they are contact by fault;
以沉降为主要趋势的盆地的油气藏有底辟构造油气藏、断层油气藏、披覆构造油气藏,其烃源岩与油藏在空间上是分离的,并通过断层相连;
10.The re search result indicates that ANN model is better to reflect the complex non-lin ear relationship between the monthly end reservoir level and the influencing fac tors such as the monthly elementary reservoir level, monthly reservoir discharge , monthly irrigation requirement, and the result of the reservoir real-time dis patching is close to the average annual optimum situation.
研究结果表明,ANN模型能够更好地反映水库月末水位与影响因素(水库月初水位、来水量、灌溉用水量)间的复杂非线性关系,而且水库实时调度结果多年均值接近多年平均最优情况。