[1]荣元帅 刘学利 罗 娟.塔河油田多井缝洞单元注水开发试验研究[J].石油钻采工艺,2008,30(4):083-84.
 RONG Yuanshuai,LIU Xueli,LUO Juan.Pilot study on waterflooding development in multi-well fracture-cavity units of Tahe Oilfield[J].Oil Drilling & Production Technology,2008,30(4):083-84.
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塔河油田多井缝洞单元注水开发试验研究
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《石油钻采工艺》[ISSN:1000-7393/CN:13-1072/TE]

卷:
30卷
期数:
2008年4期
页码:
083-84
栏目:
油气开采
出版日期:
2008-08-20

文章信息/Info

Title:
Pilot study on waterflooding development in multi-well fracture-cavity units of Tahe Oilfield
文章编号:
1000 – 7393 – ( 2008 ) 04 – 0083 – 05
作者:
荣元帅 刘学利 罗 娟
(西北油田公司勘探开发研究院,新疆乌鲁木齐 830013)
Author(s):
RONG Yuanshuai LIU Xueli LUO Juan
(Exploration and Development Research Institute, Sinopec Northwest Oilfield Company, Urumqi 830013, China)
关键词:
塔河油田碳酸盐岩油藏多井缝洞单元注水开发试验研究
Keywords:
Tahe Oilfield carbonate reservoir multi-well fracture-cavity units waterflooding development pilot study
分类号:
TE357.6
文献标志码:
A
摘要:
塔河油田奥陶系油藏为碳酸盐岩缝洞型油藏,为了控制由于油藏能量不足造成的较大的自然递减,改善油藏开发效果,从2005年开始在多井缝洞单元进行注水开发试验。根据油藏储集体发育特点、油藏能量状况和水体特征,选择不同开发特征的缝洞单元、不同部位、不同的注水方式以及不同注入速度进行注水,对比分析影响注水效果的主要因素。试验结果表明,注水井与生产井之间剩余油丰富、储集体相对均质、注水部位位于缝洞单元低部位时,注水效果好;为了防止注入水快速突进,宜进行温和注水,注水初期注采比应控制在0.8~1.0之间。注水开发的成功试验为后期合理高效开发此类油藏提供了技术支撑~和理论依据。
Abstract:
Ordovician reservoirs in Tahe Oilfield are carbonate fracture-cavity reservoirs. In order to control the quick natural decline caused by the shortage of reservoir energy, Tahe Oilfield explored to test waterflooding development in multi-well fracture-cavity units in 2005. According to the reservoir development characteristics, reservoir energy, and water body features, water injection was performed in different fracture-cavity units and position with different injection mode and rate. Main factors affecting injection effect were analyzed. The results prove that waterflooding effect is good when surplus oil is rich between the injection and production well, reservoir is relatively homologous, and water injection lies in the low position of fracture-cavity unit. Moderate injection should be conducted to prevent the injection water from dashing fast, with the initial injection-production ratio at 0.8~1.0.Successful test provides technological support and theoretical basis for efficient and rational development of similar reservoirs.

参考文献/References:

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表 1 注水效果稳定的井组注采比统计
Table 1 Statistical injection-production ratio of well groups which has steady water flooding effect
单元名称
注水井
注水量/m3?d-1
一线井名
产液量/m3?d-1
注采比
S48
TK411
100
S48,T401,T410,TK467
356
0.84
TK425CH
200
TK421CH
100
TK449H,TK424CH,T?401,
TK412,TK408
343
0.87
TK440
2000
TK446CH
50
TK469
56
0.89
TK407
TK479
50
TK407
54
0.93
S74
S74
90
TK608,TK612
112
0.80
TK634
TK648
100
TK642
90
1.11
TK637H
TK766
76
TK637H
81
0.94
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更新日期/Last Update: 2008-08-26