摘要
为了降低钻井成本,实现外围未动用储量经济有效地开采,大庆油田开展了表层套管钻井技术的试验研究,包括套管钻井总体方案及工艺、套管串结构及其附件、井下钻具及固井专用工具的开发研究。实现了非顶驱钻机条件下表层套管钻井所需的设备改造,完成了表层和油层套管钻井所需仪器的配套、φ339．7和φ273．1 mm两种规格表层套管钻井所需工具和管串的研制。在4口井进行了表层套管钻井试验,其中φ339．7 mm表层套管钻井试验井1口;φ273．1 mm表层套管钻井试验井3口。在套管钻井过程中,自行研制的设备、仪器、工具及与之配套的工艺技术均证明是成功的,套管钻井的平均机械钻速高于常规钻井,缩短了钻井周期。
In order to reduce drilling cost and economical and efficiently exploit peripheral virgin reserves in the Daqing Oilfield, test researches on surface-casing drilling technology are started, including the general proposal and techniques of casing drilling, casing string structures and accessories, downhole tools and special cementing tools. Equipment improvements have been finished to meet demands for surface-casing drilling in no top-drive condition. Instruments necessary for surface and production casing drilling have also formed a complete system. Moreover, tools and strings have been developed to meet requirements for surface casings of φ339.7mm and φ273.1mm. The surface-casing drilling has been tested in four wells, including one with φ339. 7mm surface casing, three with φ273.1mm surface casing. Field tests indicate that all self made equipment, instruments, tools, and supporting techniques work well, and the average penetrating speed of casing drilling is higher than conventional drilling, thus shortened drilling cycle.
出处
《石油钻探技术》
CAS
北大核心
2006年第5期79-80,共2页
Petroleum Drilling Techniques
基金
中国石油天然气集团公司项目"大庆油田套管钻井技术研究"部分研究成果
关键词
套管钻井
固井
钻井成本
大庆油田
casing drilling
well cementing
drilling cost
Daqing Oilfield
