潍北

通过平衡剖面的基本原理，对潍北盆地NS向剖面，进行构造演化过程的恢复。

The basic rules of balanced section are applied in restoring the tectonic evolution of the NS direction section .

潍北凹陷压力体系分布特征及成因分析

The pressure systems and their genesis in the North Weifang depression , Shandong

潍北盆地煤、油、天然气共生。

Coal , oil and natural gas are coexisting in the Weibei Basin .

潍北盆地是发育于郯庐断裂带内的中、新生代盆地。

Weibei Basin is a Mesozoic-Cenozoic basin developed in the Tanlu fault zone .

用深盆气成藏理论寻找潍北凹陷深层气

Seek Deep-seated Gas In The Huaibei Sag Using Deep Basin Gas Reservoir Theory

用该模型对潍北凹陷油气资源进行了预测，圈定的油气区与已有的地质资料相符合。

The predictive results correspond to the geological structure informations at WeiBei hollow by this model .

潍北地区孔一段主要沉积类型为各种三角洲沉积，由于相变快，沉积环境不稳定，储层表现出很强的非均质性。

The main sedimentary facies types are all kinds of delta deposit , because its sedimentary environment changed frequently , the heterogeneity of reservoir is very strong .

结合地震多属性油气预测结果，划分出了潍北东区块三个有利岩性-构造复合圈闭的勘探目标及下一步的勘探建议井位。

In the end , mark out three prospecting objects of available lithology-structure compound trap and designate the next proposal exploring well position combined with the result of seismic muti-attribute reservoir forecast .

地层水的浓差作用和流体的供排不平衡是形成潍北凹陷南北地区压力体系差异的主要原因。

The concentration differences and disequilibrium of supply and discharge of the formation water are responsible for the differences in the pressure systems in the northern and southern parts of the depression .

潍北凹陷孔店组烃源岩的热演化程度相对较低，主要处于低成熟～成熟阶段，因而用热解氢指数能较好地反映烃源岩的原始有机质类型。

The evolution of heat degree of hydrocarbons source relatively low in Kongdian formation , which are mainly in low mature & mature stage , so IH can better reflect original organic matter type of hydrocarbons .

研究结果表明，潍北凹陷异常低压力体系的形成既与古近纪的地层抬升和剥蚀作用有关，又与地温梯度的降低有关。

These data have revealed that the formation of the abnormal underpressure system is related to both the uplift and erosion of the Paleogene strata and the decrease of geothermal gradients in the northern part of the depression .

潍北凹陷分为两个压力体系，北部洼陷带发育异常低压体系，实测的地层压力梯度为0.005~0.009MPa/m；

Two pressure systems are recognized in the North Weifang depression , Shandong . The abnormal underpressure system appears in the northern part of the depression , where the measured formation pressure gradients range between 0.005 and 0.009 MPa / m.

通过对昌67井、央5井的孔二段烃源岩和沉积相资料分析，认为潍北凹陷孔二段烃源岩有机相主要为植源相和混源相。

By analyzing the source rock and sedimentary facies data from the 2nd member of Kongdian Formation from Well Chang 67 , Well Yang 5 , it is considered that the organic faices of source rocks in the sag are mainly of sources and mixed sources .