钻孔深度测量仪在方位伽马测井中的应用
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摘要
为了满足煤矿井下随钻方位伽马测井在顺煤层钻进地质导向的应用需求,设计开发了矿用钻孔深度测量仪,为随钻方位伽马测井的数据资料解释提供精确深度数据支持。从组成、工作原理、结构设计、现场试验等几个方面介绍了钻孔深度测量仪在随钻方位伽马测井中的应用情况。通过在地面勘探孔及煤矿井下实钻孔中的试验,表明钻孔深度测量仪测量的深度数据稳定、可靠,可以满足煤矿井下方位伽马测井对钻孔深度测量的需求。
To meet the practical demand of the azimuth gamma logging tool while drilling in the geological guidance of the drilling along the seam in the ground mine, a drilling depth measuring equipment for coal mine was designed and developed, it could provide the accurate depth data of the borehole to support the azimuth gamma logging data interpretation. This paper introduces the application of depth measuring equipment in azimuth gamma logging while drilling from the aspects of composition, working principle, physical design and field test. Through the test of the exploration hole on the ground and the drilling in coal mine underground, it shows that the measurement data of the depth measuring equipment is stable, reliable and could meet requirement of the azimuth gamma logging while drilling in coal mine underground.
To meet the practical demand of the azimuth gamma logging tool while drilling in the geological guidance of the drilling along the seam in the ground mine, a drilling depth measuring equipment for coal mine was designed and developed, it could provide the accurate depth data of the borehole to support the azimuth gamma logging data interpretation. This paper introduces the application of depth measuring equipment in azimuth gamma logging while drilling from the aspects of composition, working principle, physical design and field test. Through the test of the exploration hole on the ground and the drilling in coal mine underground, it shows that the measurement data of the depth measuring equipment is stable, reliable and could meet requirement of the azimuth gamma logging while drilling in coal mine underground.
引文
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[2]崔志斌.煤矿瓦斯综合抽采技术及应用[J].能源与环保,2014(11):111-115.
[3]王冕.工作面瓦斯抽采技术及效果评价[J].中州煤炭,2014(10):59-61.
[4]郭爱煌.顺煤层钻进监测技术[J].煤炭科学技术,2000,28(5):1-4.
[5]陈跃,汤达祯,许浩,等.应用测井资料识别煤体结构及分层[J].煤田地质与勘探,2014,42(1):19-23.
[6]张福强,易铭.提高煤层气水平井煤层钻遇率的关键技术[J].中国煤炭地质,2012,24(9):61-65.
[7]王小龙.矿用随钻方位伽马测井仪的设计与试验[J].煤炭科学技术,2016,44(8):161-167.
[8]王岚,陈龙,张鹏,等.随钻测井钻孔深度测量装置的设计[J].煤田地质与勘探,2017,45(3):144-146.
[9]于会军,邹向炜,董兆福,等.优化钻孔参数提高采区瓦斯抽放效果[J].煤炭工程,2007(2):52-54.
[10]赵兴旗.提高矿井抽放瓦斯效果的途径[J].矿业安全与环保,2007,34(5):38-41.
[11]覃思,胡继武.一种高精度声波钻孔测深法[C]∥中国地球物理2013—第二十四分会场论文集.北京:中国地球物理学会,2013:1.
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