[1]刘世界,蔡振华,丁万贵,等.临兴区块“一点法”产能方程[J].油气井测试,2020,29(05):74-78.[doi:10.19680/j.cnki.1004-4388.2020.05.013]
　LIU Shijie,CAI Zhenhua,DING Wangui,et al.Deliverability equation with “onepoint method” for Linxing block[J].Well Testing,2020,29(05):74-78.[doi:10.19680/j.cnki.1004-4388.2020.05.013]
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临兴区块“一点法”产能方程()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
29卷
期数:
2020年05期
页码:
74-78
栏目:
出版日期:
2020-10-25

文章信息/Info

Title:
Deliverability equation with “onepoint method” for Linxing block
文章编号:
1004-4388(2020)05-0074-05
作者:
刘世界1; 蔡振华1; 丁万贵2; 董建宏2; 杨宇光2; 刘成桢1
1.中海油能源发展股份有限公司工程技术分公司 天津 300452
2.中联煤层气有限责任公司 北京 100011
Author(s):
LIU Shijie1;  CAI Zhenhua1;  DING Wangui2;  DONG Jianhong2;  YANG Yuguang2;  LIU Chengzhen1
1.Engineering Technology Branch of CNOOC Energy Development Co., Ltd., Tianjin 300452, China
2.China United Coalbed Methane Co. Ltd., Beijing 100011, China
关键词:
临兴区块;  产能方程;  修正等时试井;  无阻流量;  一点法;  生产动态
Keywords:
Linxing Block;  deliverability equation;  modified isochronal test;  openflow potential;  onepoint method;  dynamic production performance
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2020.05.013
文献标志码:
B
摘要:
临兴区块产能测试资料缺乏，难以获得较为准确的“一点法”产能方程。采用不稳定动态分析方法拟合气井生产动态数据，校正储层渗透率、表皮系数和裂缝长度等参数，建立气井产量—压力计算模型。通过该模型，模拟修正等时试井过程，获得气井无阻流量、二项式产能方程系数A、B及对应的经验系数α。该方法应用于临兴区块13口井，利用生产动态资料计算α系数平均值为092，得到本区块压裂气井“一点法”产能方程。计算结果与实际相比，误差为40%，符合临兴区块地质气藏特征。
Abstract:
Since it lacks productivity testing data in Linxing Block, it is difficult to obtain an accurate deliverability equation with onepoint method. Through fitting dynamic production data of gas wells with transient dynamic analysis method, the parameters, such as reservoir permeability, skin coefficient and fracture length, are corrected, and the productionpressure calculation model of gas wells is established. The process of modified isochronal test is simulated and corrected with this method to obtain the openflow potential of gas wells as well as the coefficients A and B of the binomial deliverability equation and the corresponding empirical coefficient α. This method was applied to 13 wells in Linxing Block. The average value of α coefficient was calculated to be 092 by using dynamic production data, and the deliverability equation of fractured gas wells with onepoint method in this area was obtained. Compared with the actual production data, the error of the calculation result is 40%, which is consistent with the geological characteristics of the gas reservoirs in the Linxing Block.

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备注/Memo

备注/Memo:
2019-12-27收稿，2020-08-20修回,2020-09-01接受,2020-10-20网络版发表
中国海洋石油总公司重大科研项目“致密砂岩气产能指数及预测方法研究”（CNOOCKJ 135KJXM NFGJ2016-05）
刘世界，男，1988年出生，硕士，工程师，2014年获得成都理工大学石油与天然气工程专业硕士学位，现从事于油气田开发方面的研究工作。电话：022-66907420，13920969713；Email：270577177@qq.com。通信地址：天津市滨海新区塘沽滨海新村西区研究院主楼712室，邮政编码：300452。
更新日期/Last Update: 2020-11-16