| 利用岩屑波速随钻检测地层可钻性及优选钻头类型 |
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| 引用本文： | 邹德永,程远方,查永进,李维轩.利用岩屑波速随钻检测地层可钻性及优选钻头类型[J].中国石油大学学报(自然科学版),2005,29(1). |
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| 作者姓名： | 邹德永 程远方 查永进 李维轩 |
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| 作者单位： | 1. 石油大学石油工程学院,山东东营,257061
2. 中国石油天然气集团公司新疆油田公司,新疆克拉玛依,834000 |
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| 摘 要： | 研制了随钻测量钻井岩屑声波速度的便携式钻屑波速测试系统,并对岩屑波速进行了测试,建立了岩屑波速与可钻性级值的关系模型。利用该模型,可随钻标定地层的可钻性级值。对数百只钻头的使用资料进行了统计分析,建立了钻头类型与地层可钻性级值的对应关系。根据地层可钻性的随钻标定结果及变化趋势,利用钻头类型与地层可钻性级值的对应关系,即可优选出适合于待钻井段的钻头类型。在DW 1井上进行了钻头优选现场试验,证明该方法是有效的。
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| 关 键 词： | 钻井 岩屑 声波速度 岩石可钻性 可钻性级值 钻头选型 |
Rock-drillability evaluation and bit selection through ultrasonic velocity measurement on cuttings |
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| ZOU De-yong,CHENG Yuan-fang,ZHA Yong-jin,Li Wei-xuan.Rock-drillability evaluation and bit selection through ultrasonic velocity measurement on cuttings[J].Journal of China University of Petroleum,2005,29(1). |
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| Authors: | ZOU De-yong CHENG Yuan-fang ZHA Yong-jin Li Wei-xuan |
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| Institution: | ZOU De-yong~1,CHENG Yuan-fang~1,ZHA Yong-jin~2,LI Wei-xuan~2 |
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| Abstract: | A convenient device for ultrasonic velocity measurements on cuttings was designed. The correlations between the ultrasonic velocity on cuttings and the rock-drillability index values were given after laboratory tests. The relationship between bit types and the rock-drillability index values was given based on a number of field bit data. According to the rock-drillability index values obtained from cuttings and the relationship between the bit types and the rock-drillability index values, the most appropriate bit for any hole section can be selected. The case was given and verified the method validity. |
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| Keywords: | drilling cuttings ultrasonic velocity rock-drillability rock-drillability index value bit selection |
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