利用油藏地质参数建立翁氏旋回区域模型Utilizing Reservoir Basic Geological Parameters to Establish Weng Cycle Model
梁军彬
LIANG Jun bin(Shengli Oil Production Company of Shengli Oilfiled Company Ltd.;
摘要(Abstract)：
在合理开采的基础上 ,石油产量变化规律主要取决于油藏的石油地质特征。利用油藏基本地质参数探明石油地质储量、可采储量、油层孔隙度、地面原油密度等 ,可以建立翁氏旋回模型———一种石油年产量预测方法———方程系数B的地区性求解方程 ,在此基础上 ,根据翁氏旋回模型的收敛特性 ,以可采储量、原油初产量拟合误差最小为约束条件 ,利用迭代方法可以计算出系数c、n ,从而在早期建立油藏的翁氏旋回产量预测模型。利用济阳坳陷 2 1个油田及世界各地 10个油田的数据分别进行研究 ,证明这一方法是可行的。该方法可用于油田开发初期计算经济可采储量、评估地质储量、合理制定产量发展指标等
On the basis of rational exploitation, the regularity of oil yield is depended on the oil geological property. The regional equation of the coefficient B of the Weng cycle model a kind of oil annual yield predicting method has been established by utilizing reservoir basic geological parameters,such as proven oil reserves, recoverable oil reserves, porosity of reservoir,crude oil density at ground and so on. Together with the coefficient c and n,according to the astringency of the Weng cycle predicting model and taking the least fitting error of the recoverable oil reserves and the initial oil producing rate as the restriction condition, can be solved out making use of the iterative method, the Weng cycle model of the reservoir can be established at early stage.The research by 21 oilfields in Jiyang depression and 10 oilfields on the world proves that this method is practicable and the predicting accuracy of the equations is acceptable. It can be applied to calculate the economic recoverable oil reserves,evaluating the commerical value of the proven reserves,and laying down the rational development index at initial exploitation stage.
关键词(KeyWords)：
翁氏旋回;石油产量;预测;模型;油藏;经济评价
Weng cycle;oil yield;prediction;model;reservoir;economic evaluation
基金项目(Foundation):
作者(Authors):
梁军彬
LIANG Jun bin(Shengli Oil Production Company of Shengli Oilfiled Company Ltd.;