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- It is pointed out that main factors of water inrush of face are fracture developing degree and watery of sandstone aq... 研究结果对煤矿砂岩水害的有效防治具有重要的指导意义。
- fracture development degree 裂缝发育程度
- The degree of fracture development and oil-bearing are bad in turn in interdistributary bay deposit, mouth bar, subaqueous distributary channel. 分流间湾、河口坝、水下分流河道微相裂缝发育依次变差,试油效果次之;
- By studying the crushed fracture in clastic rock of the oil &gas-bearing basin in the western China,it can be seen that the development degree of the crushed fracture has close relation. 碎屑岩压裂缝是一种岩石受到纵向或侧向应力时,碎屑岩中颗粒接触点处承受较大的压强而产生的颗粒内部裂缝,这种裂缝的分布大部分限于碎屑颗粒的内部,从而有别于由构造应力产生的构造裂缝。
- Fine description of fracture development and distribution is the key of improving exploration result. 精细描述裂缝发育和分布规律,是提高油气藏勘探效果的关键。
- The character of the natural fracture development and nowaday earth stress affects not only hydraul... 油井射孔段天然缝产状、发育程度、水平应力大小直接影响着压裂施工压力。
- The results really reflected the law of overlaying strata movement and fracture development. 真实地反映了在开采保护层过程中覆岩移动及裂隙发育规律。
- It is very significant of land use coordinated development degree evaluation to instruct land resource use. 土地利用协调发展度评价对指导区域土地资源利用具有重要意义。
- It combines "crocodile coefficient" with Willey formula to correlate the development degree of the fractures in different blocks. 将“龟裂系数”和威利公式相结合,对油田不同区块裂缝的发育程度进行对比;
- Induced porosity is typified by fracture development as found in some shales and limestones and by the vugs or solution cavities commonly found in limestones. 次生孔隙度是以某页岩和石灰岩的裂缝和石灰岩中的岩穴和溶洞为代表。
- The regional variety of development degree and horizon shows that the turbid-water with mud is from Cathysia on the east of Zhejiang-Anhui Sea Basin. 其发育程度及其层位的区域变化规律表明,泥质浑水系来自海盆东侧的华夏古陆。
- The ample and essential conditions of seam gas formation are the existence and development degree of the basin, system and zone of seam gas. 煤层气盆地、煤层气系统、煤层气区带的存在及发育程度是煤层气藏形成的充分与必要条件。
- The development degree of S,P,G oil layers in the west of Daqing placanticline is better than in the east of Daqing placanticline. 大庆长垣以西地区青山口组和嫩一二段源岩向萨、葡、高油层的供烃、排烃条件均优于以东地区;
- The 2nd is the connection of haven and hinterland of its Liu Xiang, namely of economic reticle develop degree. 第二个是港口与其陆向腹地的联系,即经济网线的发达程度。
- With the deepening of development degree in Tuha oilfield, the result of conventional fracturing gets poorer year by year. 随着油田开发的深入,常规压裂措施效果逐年下降,均衡压裂改造有其制约的技术"瓶颈"。
- The main controlling factors on fracture development in the Archeozoic reservoir of Ciyutuo buried hill involve the lithology,fault,depth,weathering,dissolution,magmatic intrusion,fissure assemblages and so on. 控制研究区太古界储层裂缝发育的因素有岩性、断层、深度、古风化作用、溶解作用、岩浆侵入、裂缝组合等。
- Numerical simulation was conducted using UDEC3.0 for the movement of overlaying strata and fracture development caused by the mining of upper protective layers of coal seams with close quarters. 本文利用UDEC3.;0软件对近距离上保护层开采导致的覆岩移动及裂隙发育过程进行数值模拟。
- By selection of circular economy assessment indicator, circular economy development degree constituted by 43 indicators in aspects of economy, environment and society was settled. 通过对循环经济评价指标的筛选,确定由经济、环境、社会三个方面的43个指标构成循环经济发展度。
- This logging method is simple and practical, can effectively recognize rock type, fracture developed zone and fracture occurrence, and is worth of spreading. 该测井识别方法简单、实用,可有效识别岩石类型、裂缝发育带以及裂缝产状,具有一定的推广应用价值。
- Post stack seismic attributessuch as seismic energy fractile frenquecy, dipping angle variance, instantaneous dipping angleetc. can be used to predict fracture developing band. 利用地震能量分位数频率、倾角方差和瞬时倾角等叠后地震属性可对裂缝发育带进行定性预测。