伊拉克Ahdeb 油田停喷时间预测

Natural flow ceasing time prediction of Ahdeb Oilfield in Iraq

王青华 苏秦 齐晓成 陈军 武萍

WANG Qinghua SU Qin QI Xiaocheng CHEN Jun WU Ping

中国石油勘探开发研究院廊坊分院，河北廊坊　065007 绿洲石油有限责任公司，北京　100011 新疆油田公司准东采油厂，新疆阜康　831511

Oil and Gas Exploration and Development Research Institute-Langfang, Langfang 065007, China Al-Waha Petroleum Company Ltd. of CNPC, Beijing 100011, China Zhundong Oil Recovery Plant, FuKang 831511, China

Ahdeb 油田是中国石油在伊拉克第1 个成功建产的油田，采用丛式水平井线性注采井网开发。油井停喷时间预测是单井合理配产和确定油田建产规模的重要依据，以往的研究通常只是确定停喷条件，对停喷时间没有现成的方法可借鉴。采用井口油压下降预测法、最小井底流压法和最小地层压力法3 种方法对Ahdeb 油田油井进行了停喷时间预测。现场应用表明， 最小井口油压法预测结果最符合实际开发情况，对投产初期油田的生产管理具有重要指导意义。

AHDEB, the first oilfield which has been constructed productivity by CNPC successfully in Iraq, is developed by line pattern of horizontal wells. The prediction of natural flow ceasing time is an important basis for rational production proration of individual wells and the determination of production construction capacity of this field. Study on ceasing conditions of natural flow has been conducted previously, but no methods is available to predict ceasing time of natural flow. In this paper, 3 kinds of methods are applied to predict the ceasing time of natural flow, namely, minimum wellhead pressure method, minimum bottom hole flowing pressure method and minimum reservoir ressure method. Field application shows minimum well head tubing pressure prediction result is most close to the practical situation. The study is of great instructive significance for the production management in the initial stage.

10.13639/j.odpt.2014.02.018