会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • DRILLING TOOL AND METHOD FOR DOWN-THE-HOLE DRILLING
    • 钻孔工具和下钻孔钻孔方法
    • WO2006112763A1
    • 2006-10-26
    • PCT/SE2005/000588
    • 2005-04-21
    • LÖF, Uno
    • LÖF, Uno
    • E21B7/20E21B10/40
    • E21B10/327E21B7/20E21B10/40E21B10/66
    • This invention relates to a method and a drilling tool for down-the-hole drilling, which drilling tool is intended to drill a hole ahead of a following casing tube (13) having an outer diameter (D), the drilling tool comprising a central pilot drill bit (20) with cutting buttons arranged to form a hole (A) of a first diameter (D1), a reamer (33) and a guide body (12) for steering the drilling tool and casing tube relative to one another, said reamer (33) having a first set of cutting buttons (49) arranged to enlarge said hole (A) to a second diameter (D3), wherein at least one second cutting button (490) is arranged on the reamer (33) in a transversal plane (P1) that is closer to the central pilot drill bit (20) than the transversal plane (P2) of said first set of cutting buttons (49) and at a diameter (D2) that is smaller than the diameter (D2) for said first set of cutting buttons (49), wherein said diameter (D2) of said at least one second cutting button (490) is arranged to create an intermediate edge (B) substantially corresponding to the diameter (D) of said casing tube (13).
    • 本发明涉及一种用于井下钻孔的方法和钻孔工具,该钻孔工具旨在在具有外径(D)的后续套管(13)之前钻孔,该钻具包括中心 具有设置成形成第一直径(D1)的孔(A)的切割按钮的导向钻头(20),用于相对于彼此转动钻孔工具和套管的扩孔器(33)和引导体(12) 所述铰刀(33)具有第一组切割按钮(49),其被布置成将所述孔(A)放大到第二直径(D3),其中至少一个第二切割按钮(490)布置在所述铰刀(33)上 比所述第一组切割按钮(49)的横向平面(P2)更靠近中心导向钻头(20)并且具有比直径(D2)小的直径(D2)的横向平面(P1) )用于所述第一组切割按钮(49),其中所述至少一个第二切割按钮(490)的所述直径(D2)被布置成产生 基本对应于所述套管(13)的直径(D)的中间边缘(B)。
    • 3. 发明申请
    • EARTH DRILLING DEVICE
    • 地球钻孔装置
    • WO2003004824A1
    • 2003-01-16
    • PCT/SE2002/001273
    • 2002-06-27
    • LÖF, Uno
    • LÖF, Uno
    • E21B7/20
    • E21B10/66E21B7/20E21B10/327E21B10/40
    • The invention relates to a drilling tool and a method for down-the-hole drilling, the drilling tool being intended to drill a hole ahead of a following casing tube (13). The drilling tool comprises a central pilot drill bit (20), a reamer (33) and a guide body (12) for steering the drilling tool and casing tube relative to one another. To avoid problems with threaded connections, the guide body (12), reamer (33) and pilot drill bit (20) are mutually formed so that the rotational power is transferred from the guide body (12) to the reamer (33) and from the reamer (33) to the pilot drill bit (20), but without either of the two transfers of rotational power comprising any threaded connection, and so that an essentially radial displacement exists between the guide body (12) and the reamer (33). The construction also facilitates retraction of the reamer (33) without the pilot drill bit also needing to rotate.
    • 本发明涉及一种钻孔工具和一种用于下钻孔的方法,该钻孔工具旨在在随后的套管(13)之前钻孔。 该钻具包括一个中心导向钻头(20),一个铰刀(33)和一个导向体(12),用于相对于彼此转动钻具和套管。 为了避免螺纹连接的问题,引导体(12),铰刀(33)和导向钻头(20)相互形成,使得旋转动力从引导体(12)转移到铰刀(33) 所述铰刀(33)连接到所述导向钻头(20),但是不包括任意螺纹连接的两个转动力传递,并且使得在所述引导体(12)和所述铰刀(33)之间存在基本上径向位移, 。 该结构还有助于铰刀(33)的收回,而不需要转动钻头。