双壁钻杆在空气潜孔锤反循环钻进中的应用研究
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摘要
针对现有压力计算模型难以满足指导大直径潜孔锤反循环钻进所需双壁钻杆选型工作的问题,采用现场对比试验方法,在最大注气量为35 m3/min、额定工作压力为3 MPa的空压机设备条件下,依托多个钻井工程项目,对Φ127/70 mm双壁钻杆、Φ178/113 mm双壁钻杆分别进行了2组试验。结果显示:Φ127/70 mm双壁钻杆压降大,孔深至197.5 m时注气压力已达到3 MPa;Φ178/113 mm双壁钻杆压降小,孔深至295 m时注气压力仍不超过1.3 MPa。试验表明,Φ178/113 mm双壁钻杆排渣能力强,更适合大直径潜孔锤反循环快速钻进工艺。
For the problem that the existing pressure calculation model is difficult to meet the double-wall drill pipe selection guidance work of large diameter DTH reverse circulation drilling,field contrast test method was adopted under the condition of air compressor with maximum gas injection volume of 35 m3/ min and rated working pressure of 3 MPa; two groups of tests were carried out on Φ127 /70 mm double-wall drill pipe and Φ178 /113 mm double-wall drill pipe. The results show that: Φ127 /70 mm dual-wall drill pipe has a large pressure drop,the gas pressure had been reached 3 MPa when the hole depth was 197. 5 m,while the Φ178 /113 mm dual-wall drill pipe had a small pressure drop,the gas pressure had not still exceeded 1. 3 MPa when the hole depth was 295 m. It indicates that Φ178 /113 mm dual-wall drill pipe is more suitable for large diameter DTH reverse circulation drilling with fast slagging capacity.
For the problem that the existing pressure calculation model is difficult to meet the double-wall drill pipe selection guidance work of large diameter DTH reverse circulation drilling,field contrast test method was adopted under the condition of air compressor with maximum gas injection volume of 35 m3/ min and rated working pressure of 3 MPa; two groups of tests were carried out on Φ127 /70 mm double-wall drill pipe and Φ178 /113 mm double-wall drill pipe. The results show that: Φ127 /70 mm dual-wall drill pipe has a large pressure drop,the gas pressure had been reached 3 MPa when the hole depth was 197. 5 m,while the Φ178 /113 mm dual-wall drill pipe had a small pressure drop,the gas pressure had not still exceeded 1. 3 MPa when the hole depth was 295 m. It indicates that Φ178 /113 mm dual-wall drill pipe is more suitable for large diameter DTH reverse circulation drilling with fast slagging capacity.
引文
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[18]石智军,赵江鹏,陆鸿涛,等.煤矿区大直径垂直定向孔快速钻进关键技术与装备[J].煤炭科学技术,2016,44(9):13-18.Shi Zhijun,Zhao Jiangpeng,Lu Hongtao,et al.Key technology and equipment of rapid drilling for large diameter vertical directional borehole in mine area[J].Coal Science and Technology,2016,44(9):13-18.
[19]赵江鹏.大直径反循环潜孔锤的密封方法与试验研究[J].探矿工程(岩土钻掘工程),2015,42(12):61-63.Zhao Jiangpeng.Sealing method for large-diameter reverse circulation DTH and the experimental study[J].Exploration Engineering(Rock&Solid Drilling and Tunneling),2015,42(12):61-63.
[20]王四一,赵江鹏.大直径集束式潜孔锤反循环钻进技术研究[J].中州煤炭,2016(6):119-122.Wang Siyi,Zhao Jiangpeng.Research on reverse circulation drilling technique of large-diameter cluster DTH hammer[J].Zhongzhou Coal,2016(6):119-122.
[2]赵江鹏.大直径集束式潜孔锤反循环钻进方法先导性试验[J].金属矿山,2015,47(10):121-124.Zhao Jiangpeng.A pilot test for large diameter cluster DTH reverse circulation drilling technology[J].Metal Mine,2015,47(10):121-124.
[3]王清岩,吕红权,高翼,等.旋挖钻机嵌岩桩施工用反循环潜孔锤钻具研究[J].工程机械,2013,44(10):14-18.Wang Qinyan,LǖHongquan,Gao Yi,et al.Research on reverse circulating DTH hammer of rotary drilling rig in rock-socketed pile holes drilling[J].Construction Machinery,2013,44(10):14-18.
[4]王茂森,殷琨.大直径环式组合潜孔锤及钻进工艺研究[J].地质与勘探,2006(2):90-92,96.Wang Maosen,Yin Kun.Full diameter ring combination drowning drift and drilling technology[J].Geology and Prospecting,2006(2):90-92,96.
[5]甘心,殷琨,何江福,等.救援井用大直径贯通式潜孔锤及钻头的研制与试验[J].吉林大学学报(工学版),2015,45(6):1844-1851.Gan Xin,Yin Kun,He Jiangfu,et al.The development and test on a large diameter hollow-through DTH air hammer and drill bit used in rescue well[J].Journal of Jilin University(Engineering Science Edition),2015,45(5):1844-1851.
[6]李乔乔.煤矿井下空气套管钻进工艺及孔底钻具研究[D].北京:中国煤炭科学研究总院,煤炭科学研究总院,2015.
[7]杨引娥.煤矿送料孔、通风孔及救援孔钻进技术[J].探矿工程(岩土钻掘工程),2013,40(3):60-65.Yang Yine.Drilling technologies of feeding hole,ventilation hole and rescue hole in coal mine[J].Exploration Engineering(Rock&Solid Drilling and Tunneling),2013,40(3):60-65.
[8]赵江鹏.空气钻井技术在煤矿救援孔透巷施工中的应用[J].煤炭技术,2015,34(12):182-184.Zhao Jiangpeng.Application of air drilling in connecting construction of coal rescue hole[J].Coal Technology,2015,34(12):182-184.
[9]马福保,孙丽雪,赵瑜,等.煤矿救生系统地面钻孔用双壁钻杆[J].煤矿机械,2014,35(6):135-137.Ma Fubao,Sun Lixue,Zhao Yu,et al.Surface drilling for coal mine rescue system of double wall drill pipe[J].Coal Mine Machinery,2014,35(6):135-137.
[10]李永和.双壁钻杆低压钻井工艺技术[J].石油钻探技术,2007,35(2):1-4.Li Yonghe.Low pressure drilling technique with dual-wall drill[J].Petroleum Drilling Techniques,2007,35(2):1-4.
[11]孙宝江,公培斌,刘震,等.双通道钻杆反循环钻井方法在深水钻井中应用的可行性探讨[J].中国海上石油,2013,25(1):49-53.Sun Baojiang,Gong Peibin,Liu Zhen,et al.Feasibility study of the reverse circulation drilling method with dual concentric drill pipe in deep water[J].China Offshore Oil and Gas,2013,25(1):49-53.
[12]韩烈芳,孙海芳.气体反循环钻井技术发展现状[J].钻采工艺,2008,31(5):1-5.Han Liefang,Sun Haifang.Status and development of reverse circulation air drilling technology[J].Drilling&Production Technology,2008,31(5):1-5.
[13]赵江鹏,王四一.扩孔用集束式反循环潜孔锤的改进设计[J].煤矿安全,2016,47(8):133-135.Zhao Jiangpeng,Wang Siyi.Improved design of cluster-type reverse circulation DTH hammer for reaming[J].Safety in Coal Mines,2016,47(8):133-135.
[14]许刘万,史兵言,赵明杰.反循环气动潜孔锤的研制及应用[J].探矿工程(岩土钻掘工程),2009,36(4):31-34.Xu liuwan,Shi bingyan,Zhao mingjie.Development and application of reverse circulation DTH[J].Exploration Engineering(Rock&Solid Drilling and Tunneling),2009,36(4):31-34.
[15]Sun B,Wu G,Yan L,et al.Economic Analysis on Reelwell Drilling Method in Deep Water[C]//sut international conference on subsea technology and deepwater engineering,2012.
[16]刘徐三.煤层瓦斯抽采水平定向钻孔钻进工艺及稳定孔壁冲洗液技术研究[D].成都:成都理工大学,2013.
[17]王忠生,廖兵.双壁钻杆反循环空气钻井循环参数的分析与计算[J].钻采工艺,2008,31(3):1-5.Wang Zhongsheng,Liao Bing.Analysis and calculation of circulation parameter in reverse circulation air drilling of double wall drill pipe[J].Drilling&Production Technology,2008,31(3):1-5.
[18]石智军,赵江鹏,陆鸿涛,等.煤矿区大直径垂直定向孔快速钻进关键技术与装备[J].煤炭科学技术,2016,44(9):13-18.Shi Zhijun,Zhao Jiangpeng,Lu Hongtao,et al.Key technology and equipment of rapid drilling for large diameter vertical directional borehole in mine area[J].Coal Science and Technology,2016,44(9):13-18.
[19]赵江鹏.大直径反循环潜孔锤的密封方法与试验研究[J].探矿工程(岩土钻掘工程),2015,42(12):61-63.Zhao Jiangpeng.Sealing method for large-diameter reverse circulation DTH and the experimental study[J].Exploration Engineering(Rock&Solid Drilling and Tunneling),2015,42(12):61-63.
[20]王四一,赵江鹏.大直径集束式潜孔锤反循环钻进技术研究[J].中州煤炭,2016(6):119-122.Wang Siyi,Zhao Jiangpeng.Research on reverse circulation drilling technique of large-diameter cluster DTH hammer[J].Zhongzhou Coal,2016(6):119-122.