[1]李 珍,柴仕朋,姜立富,等.海上变井网多层油藏含水率预测技术及应用[J].复杂油气藏,2022,15(03):67-73.[doi:10.16181/j.cnki.fzyqc.2022.03.012]
 LI Zhen,CHAI Shipeng,JIANG Lifu,et al.Prediction technology of water cut in multilayer reservoir with variable well pattern in Offshore and its application[J].Complex Hydrocarbon Reservoirs,2022,15(03):67-73.[doi:10.16181/j.cnki.fzyqc.2022.03.012]
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海上变井网多层油藏含水率预测技术及应用()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
15卷
期数:
2022年03期
页码:
67-73
栏目:
油气开发
出版日期:
2022-10-25

文章信息/Info

Title:
Prediction technology of water cut in multilayer reservoir with variable well pattern in Offshore and its application
作者:
李 珍1柴仕朋2姜立富1王 刚1李廷礼1
1.中海石油(中国)有限公司天津分公司,天津 300452;2.中海油田服务股份有限公司钻井事业部,天津 300450
Author(s):
LI Zhen1CHAI Shipeng2JIANG Lifu1WANG Gang1LI Tingli1
1. Tianjin Branch of CNOOC (China) Ltd.,Tianjin 300452,China;2. Drilling Department of China Oilfield Services Limited,Tianjin 300450,China
关键词:
含水率预测变井网多层合采油藏工程法海上油田
Keywords:
water cut predictionvariable well patternmultilayer co-productionreservoir engineering methodoffshore oilfield
分类号:
TE341
DOI:
10.16181/j.cnki.fzyqc.2022.03.012
文献标志码:
A
摘要:
渤海P油田采用多层合采、油井不断侧钻的方式进行开发,储层水敏导致平面产液结构差异大,且测试资料较少,储层水淹状况及含水率预测难度较大。为了研究储层水淹状况,综合利用地质、动态、生产、测井、水驱油试验等资料,通过油藏工程法对复杂地质及开发条件下的储层含水率进行定量描述,形成了一套适用于海上变井网多层合采油田油藏工程法含水率预测技术。储层含水定量描述结果表明:渤海P油田储层纵向上Ⅰ类储层水驱波及较广、水淹严重,Ⅱ、Ⅲ类储层水驱波及相对局限、水淹较轻;平面上断层附近、平台相接区、无井控区及局部井控区水淹较轻,剩余油相对富集。在此基础上实施P油田加密调整井取得了较好的开发效果,表明提出的油藏工程法含水率预测技术有较高的精度。
Abstract:
Through continuous sidetracking of oil wells and multilayer co-production,the P Oilfield in Bohai Sea is being developed. Predicting the reservoir’s water-out status and water content is challenging due to few test data and the reservoir’s water sensitivity,which causes significant variations in the structure of the planar liquid production. In order to study the water-out status of the reservoir comprehensively,using the geological,dynamic,production,logging,waterflooding test,and other data,the reservoir engineering method was used to quantitatively describe the water cut of the reservoir under complex geological and development conditions. As a result,a set of water cut prediction technology appropriate for offshore multilayer oilfields with variable well patterns has been developed using the reservoir engineering method. The longitudinal type I reservoir of the P Oilfield in the Bohai Sea has a wide range of water flooding and serious waterflooding,whereas the waterflooding of Type II and III reservoirs is relatively limited and the waterflooding is relatively light,according to the results of the quantitative description of reservoir water cut. In the vicinity of the fault,the platform-connected area,the non-well-controlled area,and the local well-controlled area on the plane,the waterflooding is relatively low,and the remaining oil is relatively enriched. Based on this,the implementation of infill adjustment wells in the P Oilfield has achieved great development results,exhibiting the high precision of the proposed reservoir engineering method for water cut prediction.

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备注/Memo

备注/Memo:
收稿日期:2021-07-16;改回日期:2021-09-30。
第一作者简介:李珍(1986—),女,硕士,油藏工程师,主要从事油田开发工程方面的工作。E-mail:lizhen@cnooc.com.cn。
更新日期/Last Update: 2023-08-28