| 异常高压油藏油层内部压力梯度探讨 |
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| 引用本文： | 万文胜,杜军社,王国先.异常高压油藏油层内部压力梯度探讨[J].新疆石油天然气,2006,2(3):51-54. |
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| 作者姓名： | 万文胜 杜军社 王国先 |
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| 作者单位： | 新疆油田公司准东采油厂勘探开发研究所,新疆,阜康,831511 |
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| 摘 要： | 在整理异常高压油藏压力与深度关系曲线时，常常发现要么压力点子分散，以为是压力解释不准确所至。要么成直线关系的点子回归出的油层内压力梯度值非常高，甚至会远远超过上覆岩层重量所造成的梯度。本文应用流体静力学原理讨论了油层层内压力梯度，从理论上得出，同一压力系统的油层层内压力梯度只与地层条件下的流体密度有关。利用压力梯度曲线可以判断油层的连通性。
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| 关 键 词： | 油气藏 异常高压 压力梯度 |
| 文章编号： | 1673-2677（2006）03-0051-04 |
| 收稿时间： | 2006-03-24 |
| 修稿时间： | 2006年3月24日 |
RESEARCH OF PRESSURE GRADIENT FOR ABNORMAL HIGH PRESSURE RESERVOIRS |
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| Wan Wen-sheng,Du Jun-she,Wang Guo-xian.RESEARCH OF PRESSURE GRADIENT FOR ABNORMAL HIGH PRESSURE RESERVOIRS[J].Xinjiang Oil & Gas,2006,2(3):51-54. |
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| Authors: | Wan Wen-sheng Du Jun-she Wang Guo-xian |
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| Abstract: | Based on the analysis of correlation of pressure and depth for abnormal high pressure reservoirs,dispersing pressure points often are found or regressed pressure gradients are very high,which are greater than one of overlaying rock.Pressure gradients of reservoirs with fluid static theory are studied in the paper and it is concluded that the pressure gradient of the reservoirs of the same hydrodynamic system is related to fluid density under the condition of reservoir. |
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| Keywords: | abnormal high pressure pressure gradient |
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