[1]宣涛,苏展,刘世界,等.异常高压弱水驱凝析气藏改建储气库库容量评价[J].油气井测试,2021,30(06):71-77.[doi:10.19680/j.cnki.1004-4388.2021.06.013]
　XUAN Tao,SU Zhan,LIU Shijie,et al. Capacity evaluation of gas storage after reconstruction of abnormal high pressure weak water drive condensate gas reservoir[J].Well Testing,2021,30(06):71-77.[doi:10.19680/j.cnki.1004-4388.2021.06.013]
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异常高压弱水驱凝析气藏改建储气库库容量评价()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年06期
页码:
71-77
栏目:
出版日期:
2022-01-19

文章信息/Info

Title:
 Capacity evaluation of gas storage after reconstruction of abnormal high pressure weak water drive condensate gas reservoir
文章编号:
1004-4388(2021)06-0071-07
作者:
宣涛1; 苏展2; 刘世界1; 蔡振华1; 段宝江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.中海石油气电集团技术研发中心 天津 300452
Author(s):
 XUAN Tao1;  SU Zhan2;  LIU Shijie1;  CAI Zhenhua1;  DUAN Baojiang1
 1.Engineering Technology Branch,CNOOC Energy Development Co., Ltd., Tianjin 300452, China
2.Technology Research & Development Center,CNOOC Gas & Power Group, Tianjin 300452, China
关键词:
 ; 库容量; 动储量评价; 物质平衡; 有效孔隙空间; 异常高压; 弱水驱; 凝析气藏
Keywords:
 ; storage capacity;  dynamic reserve evaluation;  material balance;  effective pore space;  abnormal high pressure;  weak water drive;  condensate gas reservoir
分类号:
TE58
DOI:
10.19680/j.cnki.1004-4388.2021.06.013
文献标志码:
B
摘要:
 在废弃的异常高压弱边水凝析气藏建立储气库，库容量评价面临动储量计算方法优选和实际有效孔隙空间评价的问题。在生产动态资料的基础上，采用考虑弱水侵异常高压物质平衡法、流动物质平衡法和Blasingame分析法等综合方法评价区块原有效孔隙体积；利用改进物质平衡法评价水侵量；通过等容衰竭实验、生产动态计算气藏反凝析液量，定量评价区块当前剩余有效孔隙体积；建立物质平衡注采动态预测模型，确定库容量大小。实践表明：研究区动储量为703×108 m3，库容量为644×108 m3，受水侵及反凝析影响，库容量与动储量相差约8%。该库容量评价流程及方法能够充分考虑气藏开发过程中造成储层有效孔隙空间变化的影响因素，为后续方案设计中准确评估库容量提供依据。
Abstract:
 When a gas storage is established on an abandoned condensate gas reservoir with abnormal high pressure and weak edge water, the reservoir capacity evaluation faces the problems of optimization of dynamic reserve calculation method and actual effective pore space evaluation. Based on the production performance data, this paper adopts the comprehensive methods of considering weak water invasion, abnormal high pressure material balance method, flow material balance method and Blasinggame analysis method to evaluate the original effective pore volume of the block; Using improved material balance method to evaluate water influx; In addition, the remaining effective pore volume of the block is quantitatively evaluated by calculating the amount of reverse condensate in the gas reservoir through constant volume depletion experiment and production performance; Finally, the material balance injection production performance prediction model is established to determine the reservoir capacity. Practice shows that the dynamic reserves in the study area are 703×108 m3, storage capacity of 644×108 m3, affected by water invasion and reverse condensate, the difference between reservoir capacity and dynamic reserves is about 8%. The reservoir capacity evaluation process and method can fully consider the influencing factors of effective pore space changes in the process of gas reservoir development and provide a basis for accurate evaluation of reservoir capacity in subsequent scheme design.

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备注/Memo

备注/Memo:
 2021-05-26收稿，2021-11-10修回,2021-11-15接受,2021-12-20网络版发表
海油集团公司科研项目“海上近枯竭气藏改建地下储气库方案研究”（CNOOC-KJ 135KJXM QD 2020004）
宣涛，男，1987年出生，硕士，工程师，2014年毕业于中国石油大学（华东）矿产普查与勘探专业，主要从事油气田开发研究工作。电话：02266907356；Email：xuantao@cnooc.com.cn。通信地址：天津市滨海新区塘沽区滨海新村西区研究院主楼601室，邮政编码：300452。
更新日期/Last Update: 2022-04-19