| 廖新武,周军良,胡勇,秦润森,赵军寿.渤海油田产能建设中深度预测问题探讨及应用[J].地质找矿论丛,2025,40(3):319-327 |
| 渤海油田产能建设中深度预测问题探讨及应用 |
| Discussion and Application of Depth Prediction in Production Capacity Construction of Bohai Oilfield |
| 投稿时间：2025-05-05 修订日期：2025-08-03 |
| DOI：10.6053/j.issn.1001-1412.2025.03.005 |
| 中文关键词: 产能建设 深度预测 误差 地层对比 储层认识 渤海油田 |
| 英文关键词:capacity construction depth prediction error formation contrast reservoir understanding Bohai oilfield |
| 基金项目:国家科技重大专项"渤海油田加密调整及提高采收率油藏工程技术示范"(2016ZX05058-001)、中海石油(中国)有限公司科技重大专项"渤海油田稳产3 000万吨,上产4 000万吨关键技术研究"(CNOOC-KJ 135-ZDXM-36-TJ)联合资助。 |
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| 中文摘要: |
| 深度预测误差在国内外油田产能建设井位实施过程中广泛存在，但目前缺乏系统成因探讨及校正方法等方面研究。深入分析不同因素影响下的深度预测误差，对指导新增井位高效实施意义重大。综合渤海油田丰富的已钻井资料、地震资料、地层及沉积储层认识等，从测量工具、研究资料、地质认识等方面对深度预测及误差问题进行深入探讨。研究认为深度预测的主要影响因素包括测量仪器、地球物理资料、地层对比方法、储层认识程度等方面，明确测量仪器影响的误差出现在不同批次钻井中且具有一定的规律。地球物理资料影响的误差多集中在油田某个区域、层位或断层附近。地层对比因素影响的误差人为影响因素较大，与对比的方法、标志层的选取等有关。储层认识因素影响的误差与对地下储层展布特征及内部结构的认识程度有关，随着认识程度不断加深，预测的深度误差相应减小。该成果成功指导秦皇岛X油田岩性砂体已钻井深度、储层再认识及调整井的挖潜，取得较好开发效果，可供国内外其它类似油田借鉴。 |
| 英文摘要: |
| Depth prediction is a crucial aspect of oilfield production capacity construction, both domestically and abroad, which is essential for the successful implementation of well positioning. In recent years, the depth error problem has been widely recognized; however, there remains a lack of systematic research on its causes and correction methods. An in-depth study of the deep prediction error under the influence of different factors is of great significance to guide the efficient implementation of a new well position. Based on the abundant drilling data, seismic data, and formation and sedimentary reservoir knowledge of the Bohai oilfield, the depth prediction and error problems are thoroughly discussed from the aspects of measurement tools, research data, and geological understanding. The study suggests that the main influencing factors for depth prediction include measurement instruments, geophysical data, stratigraphic correlation methods, and the level of understanding of reservoirs. It has been determined that errors caused by measurement instruments occur across different batches of drilling operations and exhibit certain patterns. Errors influenced by geophysical data are often concentrated in specific areas, layers, or near faults within an oilfield. Errors resulting from stratigraphic correlation factors are significantly affected by human influence, relating to the methods used and the selection of marker beds. Errors associated with the understanding of reservoir factors are linked to the comprehension of the distribution characteristics and internal structures of subsurface reservoirs. As this understanding deepens, the corresponding depth prediction errors decrease. The results successfully guided the drilling depth of the rocky sand, the exploration of the adjustment well, and the implementation effect of the adjustment well verified the rationality of the results. The systematic understanding, identification method, and correction ideas of depth error can also be used for reference in other similar oil fields at home and abroad. |
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