先兆漏失诊断——钻井液漏失控制的一个关键
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摘要
以往钻井液漏失机理及漏失控制技术研究被较多关注,而漏失监测及短临诊断方面的研究未予以足够重视,缺乏针对钻井液漏失过程的阶段分析。提出了"先兆漏失"新概念,以缝洞性碳酸盐岩为例,从潜在漏失层地质特征、不同漏失类型的发生机理及漏失特征、现场录井技术方面,探讨了井漏发生征兆及漏失监测,勾画了先兆漏失诊断研究的基本框架。分析表明,漏失层裂缝参数变化、钻井液漏失动态分析、随钻漏失实时监测技术是实现先兆漏失诊断的关键。亟待研究漏失发生过程中的裂缝参数变化理论,运用微震技术监测井下岩石破裂与裂缝扩展,发展智能化的随钻漏失数据实时监测系统,完善先进的先兆漏失诊断理论与技术框架。
In this paper, the concept of "portent of mud loss" is proposed, for instance, in fractured/caved carbonatite reservoirs, the geologic features and mechanisms of different loss types, and the site logging technologies, are synthesized to analyze the portent diagnostic of mud loss. It demonstrates that the key points of implementing portent diagnostic to loss are the parameter variation of fractures in leakage zones, dynamic analysis of mud loss and real-time monitoring of mud loss. It is indicated to enhance the theories of fracture parameter variation in the process of mud loss, to monitor the rock fracture and fracture expansions with the micro-seismic technologies, to develop the intellectualized system monitoring mud loss simultaneously, and improve the superior framework of portent diagnostic of mud loss.
In this paper, the concept of "portent of mud loss" is proposed, for instance, in fractured/caved carbonatite reservoirs, the geologic features and mechanisms of different loss types, and the site logging technologies, are synthesized to analyze the portent diagnostic of mud loss. It demonstrates that the key points of implementing portent diagnostic to loss are the parameter variation of fractures in leakage zones, dynamic analysis of mud loss and real-time monitoring of mud loss. It is indicated to enhance the theories of fracture parameter variation in the process of mud loss, to monitor the rock fracture and fracture expansions with the micro-seismic technologies, to develop the intellectualized system monitoring mud loss simultaneously, and improve the superior framework of portent diagnostic of mud loss.
引文
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[14]隋秀香,李相方,朱磊,等.一种钻井液漏失位置测量新方法[J].石油钻采工艺,2007,29(3):114-116.
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[24]朱文鉴,郭学增.石油钻井井涌井漏实时预测专家系统研究[J].现代地质,1997,11(1):86-90.
[25]姚声贤,任兴国.安东1井井漏的启示[J].天然气工业,2004,24(1):50-52.
[26]余明发,宋玉明,柳金钟,等.录井现场工程异常预报研究[J].录井技术,2000,11(1):17-27.
[2]杨贤友.保护油气层钻井完井液现状与发展趋势[J].钻井液与完井液,2000,17(1):25-30.
[3]康毅力,罗平亚.储层保护系统工程:实践与认识[J].钻井液与完井液,2007,24(1):1-7.
[4]张希明.新疆塔河油田下奥陶统碳酸盐岩缝洞型油气藏特征[J].石油勘探与开发,2001,28(5):17-26.
[5]林忠民.塔河油田奥陶系碳酸盐岩储层特征及成藏条件[J].石油学报,2002,23(3):23-26.
[6]阎相宾.塔河油田奥陶系碳酸盐岩储层特征[J].石油与天然气地质,2002,23(3):262-265.
[7]修乃岭,熊伟,高树生,等.缝洞型碳酸盐岩油藏流动机理初探[J].钻采工艺,2008,31(1):63-65.
[8]王金琪.塔里木盆地奥陶系岩溶储集层的油气前景[J].石油与天然气地质,1999,20(4):305-310.
[9]韩革华.塔河油田奥陶系碳酸盐岩缝洞型储层预测技术[J].石油与天然气地质,2006,27(6):860-870.
[10]焦方正,翟晓先.海相碳酸盐岩非常规大油气田—塔河油田勘探研究与实践[M].北京:石油工业出版社,2008.
[11]王业众,康毅力,游利军,等.裂缝性储层漏失机理及控制技术进展[J].钻井液与完井液,2007,24(4):74-77.
[12]刘永良.裂缝性碳酸盐岩储层漏失损害机理及计算机模拟[D].西南石油大学,2008:92-94.
[13]康毅力,闫丰明,游利军,等.塔河油田缝洞型储层漏失特征及控制技术实践[J].钻井液与完井液,2010,27(1):41-43.
[14]隋秀香,李相方,朱磊,等.一种钻井液漏失位置测量新方法[J].石油钻采工艺,2007,29(3):114-116.
[15]刘继民,刘建中,刘志鹏,等.用微地震法监测压裂裂缝转向过程[J].石油勘探与开发,2005,32(2):75-77.
[16]Shafer D M.An Evaluation of Flowmeters for the Detection of Kick and Lost Circulation During Drilling[C].SPE 23935.
[17]Dyke C G.Advances in Characterizing Natural-Fracture Permeability from Mud-Log Data[C].SPE 25022.
[18]Oliver L.Fracture width LWD and drilling mud/LCM selection guidelines[C].SPE 36832.
[19]Sanfillippo F,Brignoli M.Characterization of conductive fractures while drilling[C].SPE 38177.
[20]贾爱贵.ALS-K井涌井漏快速探测系统[J].录井技术,1998,9(2):1-11.
[21]Beda G,Carugo C.Use of Mud Microloss Analysis While Drilling to Improve the Formation Evaluation in Fractured Reservoirs[C].SPE 71737.
[22]Alexandre L,Johan T.Modeling mud loss in fractured formations[C].SPE 88700.
[23]朱根庆.录井技术在钻井工程中的应用[J].录井技术,1998,9(2):48-52.
[24]朱文鉴,郭学增.石油钻井井涌井漏实时预测专家系统研究[J].现代地质,1997,11(1):86-90.
[25]姚声贤,任兴国.安东1井井漏的启示[J].天然气工业,2004,24(1):50-52.
[26]余明发,宋玉明,柳金钟,等.录井现场工程异常预报研究[J].录井技术,2000,11(1):17-27.
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