It is of significance for guiding exploration and development and drilling engineering of the oilfield to conduct the study on abnormal formation pressure.
异常地层压力的研究对指导油田的勘探、开发和钻井工程都具有极其重要的意义。
Real-time lithology identification while drilling not only helps to find the oil-bearing layers, but also provides a geological basis for the abnormal formation pressure forecast.
利用随钻工程参数进行实时识别岩性研究，既有助于钻井过程中及时发现油气层，又能为及时的地层异常压力预报提供地质基础；
Three dynamic systems of entrapment are divided in the Eogene of De Nan depression in terms of stratigraphic, tectonic characteristic and the vertical distribution of abnormal formation pressure.
从成藏动力学系统的角度可将德南洼陷下第三系划分为三个成藏动力学系统，即上部、内部和下部成藏动力学系统。
Fracture genesis mechanism in ZJD area is analyzed from the aspects of abnormal pore fluid pressure in formation, local structural deformation, and fracturing etc.
从地层的异常孔隙流体压力、局部构造形变、断裂作用等多方面分析了ZJD地区裂缝的成因机理。
The exploration targets include the Toutunhe Formation and the above strata, the shallow - burial area toward northeast of Dong 2 well, and the early - formed abnormal pressure belts.
头屯河组及其以上地层、董2井北东埋藏较浅地区和早期形成的异常高压带为勘探的有利目标。
This well is characterized by deep drilling horizon and varied formation lithology, so its predrilling prediction of abnormal pressure is the most significant.
该井钻探层位深、地层变化大，钻前异常地层压力预测尤为重要。
Reservoir pressure can be divided into normal pressure, abnormal high pressure and abnormal low pressure in terms of the ratio between formation pressure and hydrostatic pressure.
根据地层压力与静水压力的比值大小，可将地层压力分为异常高压、异常低压和正常压力三种压力状态。
Abnormal formation fluid pressure often exists in oil-gas bearing basin.
地层流体压力异常是含油气盆地存在的一个普遍现象。
The models are characterised by an initial-boundary value problems of a system of nonlinear partial differential equations on the abnormal pressure and the paleotemperature of the formation.
盆地模拟的数学模型是一组关于地层超压和古温度的非线性偏微分方程初边值问题。
The distribution of abnormal high pressure is relative to Eogene gypsolith and salt layers. Huge gypsolith and salt layers are the important condition for the formation of abnormal high pressure.
异常高压的分布和古近系的膏盐岩分布密切相关，巨厚的膏盐层盖层是形成异常高压的重要条件。
Fracturing is the key technology for deep tight reservoirs' stimulation, while abnormal formation fracture pressure always restricts successful fracturing of these reservoirs.
压裂是深层致密油气改造的关键技术，而破裂压力异常是制约这类储层压裂成功实施的技术难题。
Abnormal high formation pore pressure and sloughing stress exist in the south area of Junggar Basin, and mud making and composite ion contamination is also remarkable in this area.
新疆准噶尔盆地南缘地区安集海河组存在超高压、强造浆、强坍塌应力、复合离子污染等问题。
There is close relationship between the abnormal high pressure and the gas formation, migration and accumulation.
该区超压分布具有明显的分区性，异常高压与天然气的生成、运移、聚集和成藏有着密切的联系。
There is close relationship between the abnormal high pressure and the gas formation, migration and accumulation.
该区超压分布具有明显的分区性，异常高压与天然气的生成、运移、聚集和成藏有着密切的联系。
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