[1]王彬  许红林  文敏  范志利.在渤海湾多层薄互层稠油油藏防砂实践分析[J].石油钻采工艺,2018,40(6):818-822.[doi:10.13639/j.odpt.2018.06.023]
 WANG Bin,XU Honglin,WEN Min,et al.Analysis on the practical sand control of heavy oil reservoirs with multiple thin interbeds in the Bohai Bay Oilfield[J].Oil Drilling & Production Technology,2018,40(6):818-822.[doi:10.13639/j.odpt.2018.06.023]
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在渤海湾多层薄互层稠油油藏防砂实践分析
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《石油钻采工艺》[ISSN:1000-7393/CN:13-1072/TE]

卷:
40卷
期数:
2018年6期
页码:
818-822
栏目:
油气开采
出版日期:
2018-11-20

文章信息/Info

Title:
Analysis on the practical sand control of heavy oil reservoirs with multiple thin interbeds in the Bohai Bay Oilfield
文章编号:
1000 – 7393( 2018 )06 – 0818 – 05
作者:
王彬1  许红林2  文敏1  范志利1
1. 中海油研究总院有限责任公司;2. 重庆科技学院
Author(s):
WANG Bin1 XU Honglin2 WEN Min1 FAN Zhili1
1. CNOOC Research Institute, Beijing 100028, China; 2. Chongqing University of Science & Technology, Chongqing 401331, China
关键词:
稠油油藏 优质筛管防砂 压裂充填防砂 黏土矿物 蒙脱石
Keywords:
heavy oil reservoir high-quality screen sand control frac-packing sand control clay mineral montmorillonite
分类号:
TE257
DOI:
10.13639/j.odpt.2018.06.023
文献标志码:
B
摘要:
根据油田地质特征、储量规模和地理位置,在渤海湾油田开展了10 余年的完井及其防砂方式的探索和实践,先后提出并实施了适度防砂、ECP+ 优质筛管、膨胀筛管、压裂充填等多种完井及其防砂方式。然而,这些完井及其防砂方式难以完全满足该油田对高产、稳产的要求。前期试验结果表明,裸眼内下入优质筛管的适度出砂技术,因其完井费用低、表皮因数低, 成为该油田的主要防砂方式,截至2011 年5 月,先后应用在171 口生产井当中。但是,随着生产的进行,多数生产井出现产能递减快、出砂严重、生命周期短等现象。压裂充填防砂技术有效解决了油井出砂的难题,同时能够使油井长期保持稳产,截至2015 年7 月,压裂充填防砂技术在该油田作业已经超过了150 井次,多达507 个防砂层位,该技术已成为该油田后期生产井的主要防砂方式。文章分析了该油田完井及防砂方式变化的主要原因,并提出了相关的优化改进建议,为后续稠油油田防砂方式的选择提供了借鉴。
Abstract:
Bohai Bay Oilfield has explored and practiced well completion technologies and their sand control modes for over 10 years according to its geological characteristics, reserve scale and geographical location, and it has successively developed and implemented several completion technologies and their sand control modes, including appropriate sand control, ECP+high-quality screen, expandable screen and fracture packing. However, these well completion technologies and their sand control modes can hardly satisfy Bohai Bay Oilfield’s requirements of high production and stable production. It is shown from the pre-stage test that the appropriate sand control technology of running the high-quality screen into the open hole was once the main sand control mode in Bohai Bay Oilfield due to its low well completion cost and low skin factor. And by May 2011, it had been applied in 171 production wells. As the production goes, however, most production wells are suffered from fast production decline, serious sand production and short service life. In this situation, the frac-packing sand control technology solves the difficulty of sand production in oil wells effectively, while keeping the long-term stable production of oil wells. By July 2015, the frac-packing sand control technology had been applied in Bohai Bay Oilfield by more than 150 well times in 507 sand control horizons. And this technology is now the main sand control mode used in late production wells in Bohai Bay Oilfield. In this paper, the main reasons for the change of well completion technologies and their sand control modes in Bohai Bay Oilfield were analyzed, and the corresponding optimization and improvement suggestions were proposed. The research results provide the guidance for the selection of sand control modes in heavy oil fields in the future.

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更新日期/Last Update: 2019-04-10