收稿日期: 2011-11-25
修回日期: 2012-08-10
网络出版日期: 2012-10-10
基金资助
中国石油重大科技专项“柴达木盆地油气勘探开发关键技术研究”课题(编号:07-01Z-01-07)资助.
Sand Production Prediction of Unconsolidated Gas Reservoir in Sebei Gasfield
Received date: 2011-11-25
Revised date: 2012-08-10
Online published: 2012-10-10
扈福堂，师永民,许文平 . 涩北气田疏松砂岩气藏出砂预测模型建立[J]. 天然气地球科学, 2012 , 23(5) : 948 -951 . DOI: 10.11764/j.issn.1672-1926.2012.05.948
Reservoir formations of Sebei gasfield are unconsolidated and are prone to sand production.Accurate sand-production predictions are necessary for consequent selections of sand-control methods.This paper analysed and verified the vertical and lateral sand-production laws of reservoir formations through four different empirical prediction models，including compressional wave slowness,sanding index,combined modulus and Schlumberger ratio.Meanwhile,this paper predicted critical sand-production pressure differential through empirical,BP and Arco models,and obtained that the Arco model is more proper through comparison with field test data.Finally,a sand-production prediction model built in laboratories was demonstrated in this contribution,whose deviation is within 15% through correlation with real sand-production statistical data.
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