以临界生产压差法进行涩北气田出砂预测研究  

SEBEI GAS FIELD SANDING PREDICTION BY CRITICAL PRODUCING PRESSURE DROP

作　　者：饶鹏[1] 唐刚[2] 董长银[3] 佘朝毅[4] 蒲永松[5] 

机构地区：[1]青海油田钻采院 [2]中油西南油气田公司勘探开发研究院 [3]石油大学(华东)石油工程学院 [4]中油西南油气田公司采气院 [5]四川石油管理局钻采院

出　　处：《天然气勘探与开发》2005年第2期32-34,53,i003-i004,共6页Natural Gas Exploration and Development

摘　　要：青海涩北气田出砂严重,由于钻井取心困难,难以通过岩石力学实验获得足够的岩石力学参数进行系统全面的出砂预测,通过测井获得的声波、密度、自然伽马等资料,研究了求取泊松比、弹性模量、内聚强度、内摩擦角等岩石力学参数的经验方法,建立了涩北1号气田气井出砂和控砂预测模型。根据涩北1号气田20口气井开发储层出砂指数、临界生产压差预测结果统计,预测结果与现场观测结果基本吻合,从而为涩北气田出砂预测、合理选择生产压差以及优化配产提出了一种适用的理论研究方法。Qinghai Sebei gas field is severely sanded. Because of hard drill-coring, it is difficult to obtain sufficient rock-mechanical parameters by this experiment conducting systematical and overall prediction. Through such data as sonic wave, density, and natural gamma etc obtained by well logging, the empirical method of finding such rock-mechanical parameters as Poisson ratio, elastic modulus, cohesion strength, internal-friction angle etc. has been studied, and the sanding and sand-controlling prediction model of no.1 Sebei gas field wells established. Based on the prediction result statistics of sanding index and critical producing pressure drop of the developing reservoir in no.1 Sebei gas field 20 wells, the prediction result is basically coincident with that of on-site observation, thus an applicable method of theoretical research on sanding prediction, reasonable selecting the producing pressure drop, and optimizing the allocation is proposed for Sebei gas field.

关 键 词：涩北气田 预测研究 压差法 岩石力学参数 岩石力学实验 临界生产压差 出砂预测 预测结果 钻井取心 自然伽马 弹性模量 内聚强度 经验方法 内摩擦角 预测模型 观测结果 研究方法 优化配产 泊松比 气井 求取 

分 类 号：TE358.1[石油与天然气工程—油气田开发工程]