渤海油田潜山界面井场随钻识别综合技术研究及应用

The Synthetic Technologic Study on Field Identification While Drilling on the Buried Hill Interface of Bohai Oilfield

摘要: 近年来，在渤海油田立体勘探思路的指导下，潜山勘探取得了重大突破。井场潜山界面识别的准确性直接影响到潜山储层保护、工程施工安全和作业时效。通过对渤海油田不同区带183口潜山探井岩性和结构特征进行统计分析，找到了渤海油田常见潜山披覆组合类型，并分析其井场识别难度。同时，对近年来新引进的功指数、井场薄片鉴定、X射线元素录井和X射线全岩衍射录井等技术进行分析研究，形成了一套新的潜山界面识别的技术体系，在实际应用中取得了良好的效果，保证了渤海油田潜山勘探的顺利进行。

Abstract: In recent years, under the guidance of 3D exploration idea in Bohai Oilfield, great breakthrough was obtained in buried hill exploration. The precision of its field identification would directly af-fect the formation protection, operation safety and operation effectiveness. Through the statistics of lithologic property and the structural characters of 183 exploration wells in different areas of Bohai Oilfield, the commonly seen and buried hill drape combination was found out, and the difficulty of its field identification was analyzed. At the same time, the technologies of recently introduced work index, field slice identification, X-ray element logging, X-ray whole rock diffraction logging are analytically studied, a set of new technical systems are established for the identification of buried hill interface, and good effect is obtained in practical application, it ensures the smooth implementation of exploration of the buried hill reservoirs.