尖灭

相邻钻孔之间细节地层的岩性连接有对应、包含和尖灭3种，基于地层属性及其语义关系的地层连接关系推理有6种基本模式，设计了相应的地层连接推理算法。

There are three basic lithologic semantic relations between adjacent boreholes , which are respectively corresponding , including and pinching-out relations . Six kinds of reference mode for detailed strata connection could be applied based on lithologic semantic relations , and the related reference algorithms are designed .

近南北向断裂破碎带的规模及产状变化控制了矿化强弱及矿体规模，使矿体在走向和倾向上具尖灭再现，分支复合及膨缩特征。

The near north-south crushed zone controlled the mineralization , the ore body scale and the output shape change and caused the ore body to pinch-out and branch .

发现该构造油源充足，有多套含油气地层。Es1、Es2段油气层具有从北向南呈叠瓦式向上倾方向尖灭的特点。

This anticline was found to have rich oil resource , there being multiple rich hydrocarbon strata , of which Es_1 and Es_2 members are characterized by southward imbricate updip thinning out .

水岩体系Eh-pH法确定铀矿层间氧化带尖灭地段的研究

Study of determining the annihilating location of interlayer oxidation zone by water-rock system Eh-pH method

北部金矿带受北部控矿剪切带控制，长度大于1km，厚度约70cm，从地表延伸至1120m标高，未见尖灭趋势。

The North gold ore zone , with a length of more than 1 km and a thickness about 70 cm , is controlled by North ore-controlling ductile shear zone , and nip-out tendency is not found from the surface to ( 1 120 ) m level .

砂砾岩油田上倾尖灭带开发技术对策探讨

Development Technique for Updip Pinch Out Zone of Glutenite Oilfield

岩性圈闭有不整合地层圈闭和岩性尖灭圈闭。

The lithologic traps consist in unconformable stratigraphic trap and lithologic pinchout trap .

尖灭矿体用浅孔留矿法衔接无底柱分段崩落法的实践

Practice of Using Shallow Shrinkage Method Following Sill Pillar-Free Subdrift Caving in the Bottoming

在水平上和垂向上均有明显的分枝复合、尖灭再现现象。

The level and vertical branches are visible compound , reproduce pinch phenomenon . 4 .

碳酸盐孤台岩性尖灭圈闭。

Lithologic trap of isolated carbonate platform .

水平分带上，北东端的富铅矿带指示矿体的尖灭。

Horizontal band , with the northeastern end of the galena-rich ore bodies pinch out instructions .

②非构造类型油气藏的勘探，如岩性油藏、尖灭油藏、水动力油藏等。

Non structural traps , such as stratigraphic traps , pinch out traps , hydrodynamic traps ;

东坪金矿Ⅰ号脉深部尖灭与再现处的红外光谱特征

Infrared Spectroscopic Feature at Deep-seated Thinning-out and Recurrence Parts of Ore Vein ⅰ in Dongping Au Deposit

双河地区形成砂岩上倾尖灭及断层&岩性复合油气藏；

In Shuanghe area , the updip pinch-out sandstone reservoir and the fault-lithologic reservoir dominate over others .

三峡水库成库后，重庆河段回水曲线受库区水位影响，至江津才尖灭。

The backwater surface profile of Chongqing section ends at Jiangjin after formation of the Three Gorges Reservoir .

中亚组有利区位于中拐凸起东翼五区，沿尖灭线展布；

Middle Jiamuhe Formation is distributed along depositional termination in the5th zone of Zhongguai Salient 's east fling ;

铀矿体主要产于目的层砂体层间氧化带尖灭部位。

Uranium ore bodies are localized at the pinch out site of interlayer oxidation sandstone body in target horizon .

地层岩性圈闭是本区油气富集的重要圈闭类型。地层岩性圈闭在研究区主要有砂体上倾尖灭岩性圈闭、砂岩透镜体岩性圈闭、地层岩性圈闭、复合型岩性圈闭；

The third is formation & lithological trap is the important trap form of petroleum enrichment in the region ;

指出沿沟谷发育的上倾尖灭砂岩体及断层附近的残丘有利于形成隐蔽圈闭，是该区下一步值得重视的勘探领域。

It is pointed out that upward pinchout sandstone bodies along valleys and hammocks close to faults are favorable f.

前三角洲尖灭区，主要为大面积的尖灭区，散布着零星的表外储层。

Front deltaic pinchout area , which mainly consists of large pinchout area , and disperses sporadic surface reservoir .

通过分析几种典型的地质构造的规律，总结出了地层构造的尖灭原则和连续性原则。

By analyzing some typical tectonic , we concluded the principle that the stratum can extend and go out gradually .

在草湖凹陷东河砂岩尖灭线实际解释中，可能因地震资料的假象或陷阱而造成解释或预测结果的错误。

In fact , it 's possible to result in the mistakes for the false or trap of seismic dada .

煤层厚度变化较大，总的规律是东厚西薄，局部分叉尖灭。

Generally it is thicker in the east-ern part , than in the western part and local offset and thin out .

在原始油藏边缘，微型断层圈闭、砂岩尖灭圈闭是剩余油富集区；

On the edge of a primitive pool , the miniature fault and wedge-out traps have a high residual oil potential .

经过研究得出马更些三角洲盆地主要得出以下认识：1.盆地演化过程：侏罗纪-早白垩世，爱斯基摩湖断裂带内楔形碎屑物增厚并向西北方向尖灭。

Basin evolution : Jurassic-Early Cretaceous , the Eskimo Lake fault zone within the wedge-shaped debris thickening to the northwest pinchout .

研究了矿体尖灭构建中的平均尖灭角法、有限推断法和无限外推法算法，并利用。

The algorithms of average pinchout angle , finite distance extrapolation and infinite distance are studied and used in constructing orebody pinchout lines .

针对岩土工程结构问题，还提出了网格剖分中尖灭不连续面和锚杆及锚索的处理方案。

A scheme to treat discontinuities and bolts as well as anchors has been put forward for the geotechnical engineering structures , too .

根据圈闭成因分类法，可将盆地内油气藏划分为7种类型：①砂岩上倾尖灭油气藏；

According to trap formation classification , reservoirs in the basin can be divided into 7 different types : ① sandstone updip thin out reservoir ;

土质不均匀，有透镜体、尖灭、软粘土夹层，地下水位高。

The soil fabric is nonuniform , and there are lens , thining out , thin layer of soft clay , high ground water table .

阳信洼陷岩性油气藏主要包括砂体上倾尖灭油气藏、砂岩透镜体油气藏、断层-岩性油气藏、火成岩油气藏、构造-岩性油气藏5种类型。

The lithologic reservoirs include five types : updip pinch-out sandstone reservoirs , lens-type sandstone reservoirs , fault-lithologic reservoirs , igneous reservoirs and structural-lithologic reservoirs .