WO2022007209A1 - 防冲击地压专用钻杆 - Google Patents

防冲击地压专用钻杆 Download PDF

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Publication number
WO2022007209A1
WO2022007209A1 PCT/CN2020/119109 CN2020119109W WO2022007209A1 WO 2022007209 A1 WO2022007209 A1 WO 2022007209A1 CN 2020119109 W CN2020119109 W CN 2020119109W WO 2022007209 A1 WO2022007209 A1 WO 2022007209A1
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Prior art keywords
pipe
butt
ground pressure
spring
connecting shaft
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PCT/CN2020/119109
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English (en)
French (fr)
Inventor
李丽
王帅
杨硕
王建
张松林
袁吉瑞
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邹城兖矿泰德工贸有限公司
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Publication of WO2022007209A1 publication Critical patent/WO2022007209A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22—Rods or pipes with helical structure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/08—Casing joints

Definitions

  • the invention relates to the technical field of drilling equipment, in particular to a special drill pipe for anti-shock ground pressure.
  • the drill pipe for ground pressure is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device at the bottom of the well.
  • the purpose of the drill pipe is to transport the drilling mud to the drill bit and together with the drill bit raise, lower or rotate the bottom hole device.
  • the drilled bit is easy to drive the drill pipe to produce vibration impact, which is easy to cause damage to the surface equipment connected to the drilling rig. Therefore, we hope to improve the use efficiency of the special drill pipe for ground pressure through the innovation of the special drill pipe for ground pressure, which is convenient for drilling.
  • the special drill pipe for anti-shock ground pressure has been developed to a great extent.
  • the transportation of drilling mud has brought great convenience, and its types and quantities are also increasing day by day.
  • the special drill pipes for anti-shock ground pressure have the following shortcomings: the special drill pipes for ground pressure and the corresponding drill bits are not convenient for directional connection, and the special drill pipes for ground pressure are not convenient for directional connection.
  • the rod and the corresponding drill bit are inconvenient for locking and fixing, and the drill rod for ground pressure is easily subjected to shock and vibration when used. Therefore, it is necessary to improve the current special drill pipe for anti-shock ground pressure.
  • the purpose of the present invention is to provide a special drill pipe for anti-shock ground pressure, so as to solve the problem that the special drill pipe for ground pressure and the corresponding drill bit on the market are not convenient for directional connection, and the special drill pipe for ground pressure and the corresponding drill bit do not It is convenient for locking and fixing and the special drill pipe for ground pressure is vulnerable to shock and vibration when it is used.
  • a special drill rod for impact resistance including a rod body, a butt pipe and a limit block, the outer surface of the rod body is provided with a screw shovel, and one end of the rod body is provided with a connecting shaft ,in,
  • the inside of the connecting shaft is provided with a long hole, the outer side of the connecting shaft is connected with a spring, the butting pipe is arranged outside the side of the connecting shaft close to the spring, the inner wall of the connecting pipe is provided with a guide strip, and the guide
  • the bar is butted with the chute on the outer surface of the connecting shaft, and the two ends of the spring are respectively connected with the connecting shaft and the card groove on one side of the butt pipe;
  • the outer side of the butt pipe is provided with a connecting groove
  • the inner wall of the butt pipe is provided with a butt hole
  • the two ends of the limit block are connected through the butt hole
  • the butt pipe is connected with the sleeve through the connection groove
  • the sleeve is fixed with the butt pipe by means of locking bolts.
  • the diameter of the inner side of the butting tube matches the diameter of the outer side of the connecting shaft, and the butting tube forms a telescopic structure between the spring and the rod body.
  • the guide bars are symmetrically distributed in parallel with respect to the axis line of the butt tube, and a sliding connection is formed between the guide bars and the chute.
  • the cross-sectional shape of the clip slot is arc-shaped, the diameter of the clip slot matches the outer diameter of the spring, and the clip slot and the spring are in a snap connection.
  • the cross-sectional shape of the limit block is an annular racetrack structure
  • the thickness of the limit block is consistent with the distance between the inner surface of the long hole
  • the axis line of the limit block and the axis line of the butt pipe are perpendicular to each other
  • the cross-sectional size of the limit block matches the cross-sectional size of the butt hole.
  • the thickness of the sleeve is the same as the thickness of the connecting groove, and the sleeve is connected through the connecting groove and the butt pipe in a socket connection.
  • the special drill rod for anti-shock ground pressure connects the connecting tube through the symmetrically distributed guide bars on the inside and the chute on both sides of the connecting shaft, and presses the other end of the spring to the slot on one side of the connecting tube. snap connection, so as to facilitate the directional docking of the matching connecting component of the drill rod and the rod body;
  • Fig. 1 is the front view structure schematic diagram of special drill pipe for anti-shock ground pressure of the present invention
  • FIG. 2 is a schematic view of the front cross-sectional structure of the drill pipe specially used for anti-shock ground pressure according to the present invention
  • Fig. 3 is a schematic view of the enlarged structure of the part of the drill pipe in Fig. 2 for the special drill pipe for anti-shock ground pressure according to the present invention.
  • a special drill pipe for anti-shock ground pressure including a rod body 1, a screw shovel 2, a connecting shaft 3, a long hole 4, a spring 5, a butt pipe 6, a guide strip 7,
  • the chute 8 the clamping slot 9, the connecting slot 10, the docking hole 11, the limit block 12, the sleeve 13 and the locking bolt 14, the outer surface of the rod body 1 is provided with a screw shovel 2, and one end of the rod body 1 is provided with There is connecting shaft 3, where,
  • the inside of the connecting shaft 3 is provided with a long hole 4, the outer side of the connecting shaft 3 is connected with a spring 5, the butting tube 6 is arranged on the outside of the connecting shaft 3 close to the spring 5, and the inner side of the connecting shaft 6 is The diameter matches the diameter of the outer side of the connecting shaft 3, and the butt tube 6 forms a telescopic structure between the spring 5 and the rod body 1.
  • the spring 5 is used for shock absorption and buffering.
  • the inner wall of the butt tube 6 is provided with a guide strip 7.
  • the guide strips 7 are symmetrically distributed in parallel with respect to the axis of the butt tube 6, and between the guide strip 7 and the chute 8 A sliding connection is formed, and a sliding connection is formed between the guide bar 7 and the chute 8, so that the connecting shaft 3 and the butt pipe 6 are directionally docked and telescopic, and the guide bar 7 is connected with the sliding groove 8 on the outer surface of the connecting shaft 3.
  • the two ends of the spring 5 are respectively connected with the connecting shaft 3 and the card slot 9 on one side of the butt pipe 6 .
  • the outer diameters are matched, and the card slot 9 and the spring 5 are in a snap connection, and the card slot 9 and the spring 5 are arranged in a snap connection, so that the spring 5 is stably connected on the connecting shaft 3;
  • the outer side of the butt pipe 6 is provided with a connecting groove 10
  • the inner wall of the butt pipe 6 is provided with a butt hole 11
  • the two ends of the limit block 12 are connected through the butt hole 11
  • the limit block 12 is
  • the cross-sectional shape is an annular racetrack-like structure, and the thickness of the limit block 12 is consistent with the spacing of the inner surface of the long hole 4, and the axis line of the limit block 12 and the axis line of the butt pipe 6 are perpendicular to each other, and the limit block 12 is perpendicular to each other.
  • the cross-sectional size of 12 matches the cross-sectional size of the butt hole 11, and the cross-sectional size of the stop block 12 is matched with the cross-sectional size of the butt hole 11, so that the connecting shaft 3 and the butt pipe 6 can be stably connected.
  • the sleeve 13 is connected with the sleeve 13 through the connecting groove 10, the thickness of the sleeve 13 is the same as the thickness of the connecting groove 10, and the sleeve 13 is connected by a socket connection between the connecting groove 10 and the butt pipe 6, and the sleeve 13 is provided Through the socket connection between the connecting groove 10 and the butt pipe 6, the sleeve 13 locks and limits the limit block 12 on one side of the butt hole 11 to prevent the limit block 12 from falling off, and the sleeve 13 passes through The locking bolt 14 is fixed to the butt pipe 6 .

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

一种防冲击地压专用钻杆，包括杆体（1）、对接管（6）和限位块（12），杆体（1）的外侧表面设置有螺旋铲（2），杆体（1）的一端设置有连接轴（3），其中，连接轴（3）的内部开设有长孔（4），连接轴（3）的外侧连接有弹簧（5），对接管（6）设置在连接轴（3）靠近弹簧（5）一侧的外部，对接管（6）的内壁设置有导向条（7），导向条（7）与连接轴（3）外侧表面的滑槽（8）进行对接，对接管（6）的内壁处开设有对接孔（11），限位块（12）的两端与对接孔（11）贯穿连接。该防冲击地压专用钻杆，杆体（1）外侧的螺旋铲（2）在指定位置进行钻进，钻进过程中产生的冲击震动，使得连接轴（3）通过长孔（4）和限位块（12）进行滑动，并且通过连接轴（3）和对接管（6）之间的弹簧（5）进行减震缓冲，从而方便对该地压专用钻杆在使用的过程中防冲击。

Description

防冲击地压专用钻杆 技术领域
本发明涉及钻进设备技术领域，具体为防冲击地压专用钻杆。
背景技术
地压专用钻杆用于连接钻机地表设备和位于钻井底端钻磨设备或底孔装置。钻杆的用途是将钻探泥浆运送到钻头，并与钻头一起提高、降低或旋转底孔装置。钻进的钻头容易带动钻杆产生震动冲击，这样对连接钻机地表设备容易造成损害，为此，我们希望能够通过对地压专用钻杆的创新来提高地压专用钻杆的使用效率，便于钻杆对接，有效防止使用时产生冲击，使之发挥出最大的价值，随着科技的发展，防冲击地压专用钻杆有了很大程度的发展，它的发展给人们在对地质钻进进行钻探泥浆运送时带来了很大的便利，其种类和数量也正在与日俱增。
目前市场上的防冲击地压专用钻杆虽然种类和数量非常多，但是防冲击地压专用钻杆有这样的缺点：地压专用钻杆和相应的钻头不便于进行定向连接，地压专用钻杆和相应的钻头不便于进行锁紧固定和地压专用钻杆使用时容易受到冲击震动。因此要对现在的防冲击地压专用钻杆进行改进。
发明内容
本发明的目的在于提供防冲击地压专用钻杆，以解决上述背景技术提出的目前市场上的地压专用钻杆和相应的钻头不便于进行定向连接，地压专用钻杆和相应的钻头不便于进行锁紧固定和地压专用钻杆使用时容易受到冲击震动的问题。
为实现上述目的，本发明提供如下技术方案：防冲击地压专用钻杆，包括杆体、对接管和限位块，所述杆体的外侧表面设置有螺旋铲，所述杆体的一端设置有连接轴，其中，
所述连接轴的内部开设有长孔，所述连接轴的外侧连接有弹簧，所述对接管设置在连接轴靠近弹簧一侧的外部，所述对接管的内壁设置有导向条，所述导向条与连接轴外侧表面的滑槽进行对接，所述弹簧的两端分别与连接轴、对接管一侧的卡槽进行连接；
所述对接管的外侧开设有连接槽，所述对接管的内壁处开设有对接孔，所述限位块的两端与对接孔贯穿连接，所述对接管通过连接槽与套管进行连接，所述套管通过锁紧螺栓与对接管进行固定。
优选的，所述对接管内侧的直径和连接轴外侧的直径相匹配，且对接管通过弹簧和杆体之间构成伸缩结构。
优选的，所述导向条关于对接管的轴心线呈对称平行分布，且导向条和滑槽之间构成滑动连接。
优选的，所述卡槽的截面形状为圆弧状，且卡槽的直径和弹簧的外侧直径相匹配，并且卡槽和弹簧之间呈卡合连接。
优选的，所述限位块的截面形状为环形跑道状结构，且限位块的厚度和长孔内侧表面的间距相吻合，并且限位块的轴心线和对接管的轴心线相互垂直，而且限位块的截面尺寸和对接孔的截面尺寸相匹配。
优选的，所述套管的厚度和连接槽的厚度相同，且套管通过连接槽和对接管之间呈套接连接。
与现有技术相比，本发明的有益效果是：
(1)、该防冲击地压专用钻杆，将对接管通过内侧呈对称分布的导向条和连接轴两侧的滑槽进行对接，并且按压弹簧的另一端和对接管一侧的卡槽进行卡接，从而方便该钻杆的配套的连接组件和杆体进行定向对接，；
(2)、该防冲击地压专用钻杆，将限位块插入对接孔中将杆体和对接管进行对接安装，滑动套管将限位块的两端进行挡住，并使用锁紧螺栓贯穿套管和对接管进行固定，从而方便对钻杆的配套的连接组件和杆体进行固定锁紧；
(3)、该防冲击地压专用钻杆，杆体外侧的螺旋铲在指定位置进行钻进，钻进过程中产生的冲击震动，使得连接轴通过长孔和限位块进行滑动，并且通过连接轴和对接管之间的弹簧进行减震缓冲，从而方便对该地压专用钻杆在使用的过程中防冲击。
附图说明
图1为本发明防冲击地压专用钻杆主视结构示意图；
图2为本发明防冲击地压专用钻杆主视截面结构示意图；
图3为本发明防冲击地压专用钻杆图2中A处局部放大结构示意图。
图中：1、杆体；2、螺旋铲；3、连接轴；4、长孔；5、弹簧；6、对接管；7、导向条；8、滑槽；9、卡槽；10、连接槽；11、对接孔；12、限位块；13、套管；14、锁紧螺栓。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-3，本发明提供一种技术方案：防冲击地压专用钻杆，包括杆体1、螺旋铲2、连接轴3、长孔4、弹簧5、对接管6、导向条7、滑槽8、卡槽9、连接槽10、 对接孔11、限位块12、套管13和锁紧螺栓14，所述杆体1的外侧表面设置有螺旋铲2，所述杆体1的一端设置有连接轴3，其中，
所述连接轴3的内部开设有长孔4，所述连接轴3的外侧连接有弹簧5，所述对接管6设置在连接轴3靠近弹簧5一侧的外部，所述对接管6内侧的直径和连接轴3外侧的直径相匹配，且对接管6通过弹簧5和杆体1之间构成伸缩结构，利用对接管6通过弹簧5和杆体1之间构成的伸缩结构，使得杆体1在受到震动时通过弹簧5进行减震缓冲，所述对接管6的内壁设置有导向条7，所述导向条7关于对接管6的轴心线呈对称平行分布，且导向条7和滑槽8之间构成滑动连接，设置导向条7和滑槽8之间构成滑动连接，使得连接轴3和对接管6之间进行定向对接和伸缩，所述导向条7与连接轴3外侧表面的滑槽8进行对接，所述弹簧5的两端分别与连接轴3、对接管6一侧的卡槽9进行连接，所述卡槽9的截面形状为圆弧状，且卡槽9的直径和弹簧5的外侧直径相匹配，并且卡槽9和弹簧5之间呈卡合连接，设置卡槽9和弹簧5之间呈卡合连接，使得弹簧5在连接轴3上进行稳定连接；
所述对接管6的外侧开设有连接槽10，所述对接管6的内壁处开设有对接孔11，所述限位块12的两端与对接孔11贯穿连接，所述限位块12的截面形状为环形跑道状结构，且限位块12的厚度和长孔4内侧表面的间距相吻合，并且限位块12的轴心线和对接管6的轴心线相互垂直，而且限位块12的截面尺寸和对接孔11的截面尺寸相匹配，设置限位块12的截面尺寸和对接孔11的截面尺寸相匹配，使得连接轴3和对接管6之间进行稳定对接，所述对接管6通过连接槽10与套管13进行连接，所述套管13的厚度和连接槽10的厚度相同，且套管13通过连接槽10和对接管6之间呈套接连接，设置套管13通过连接槽10和对接管6之间呈套接连接，使得套管13在对接孔11的一侧对限位块12进行锁紧限位，避免限位块12脱落，所述套管13通过锁紧螺栓14与对接管6进行固定。
工作原理：在使用该防冲击地压专用钻杆时，首先，将弹簧5套接在杆体1一端的连接轴3外侧，挤压弹簧5的一端和连接轴3边缘的卡槽9进行对接，再将对接管6通过内侧呈对称分布的导向条7和连接轴3两侧的滑槽8进行对接，并且按压弹簧5的另一端和对接管6一侧的卡槽9进行卡接，从而将钻杆的杆体1和对接管6进行定向连接，在对接管6外侧的连接槽10中拉动套管13，将对接管6表面的对接孔11露出，再将限位块12插入对接孔11中将杆体1和对接管6进行对接安装，随后，滑动套管13将限位块12的两端进行挡住，并使用锁紧螺栓14贯穿套管13和对接管6进行固定，从而避免限位块12脱落，当使用该专用钻杆进行钻进时，将对接管6和相应的转动设备进行连接，并且带动杆体1外侧的螺旋铲2在指定位置进行钻进，钻进过程中产生的冲击震动，使得连接轴3通过长孔4和限位块12进行滑动，并且通过连接 轴3和对接管6之间的弹簧5进行减震缓冲，从而实现该钻杆在使用的过程中防冲击，本说明中未作详细描述的内容属于本领域专业技术人员公知的现有技术。
尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
综上所述仅为本发明较佳的实施例，并非用来限定本发明的实施范围。即凡依本发明申请专利范围的内容所作的等效变化及修饰，皆应属于本发明的技术范畴。

Claims (6)

  1. 防冲击地压专用钻杆，包括杆体(1)、对接管(6)和限位块(12)，其特征在于：所述杆体(1)的外侧表面设置有螺旋铲(2)，所述杆体(1)的一端设置有连接轴(3)，其中，
    所述连接轴(3)的内部开设有长孔(4)，所述连接轴(3)的外侧连接有弹簧(5)，所述对接管(6)设置在连接轴(3)靠近弹簧(5)一侧的外部，所述对接管(6)的内壁设置有导向条(7)，所述导向条(7)与连接轴(3)外侧表面的滑槽(8)进行对接，所述弹簧(5)的两端分别与连接轴(3)、对接管(6)一侧的卡槽(9)进行连接；
    所述对接管(6)的外侧开设有连接槽(10)，所述对接管(6)的内壁处开设有对接孔(11)，所述限位块(12)的两端与对接孔(11)贯穿连接，所述对接管(6)通过连接槽(10)与套管(13)进行连接，所述套管(13)通过锁紧螺栓(14)与对接管(6)进行固定。
  2. 根据权利要求1所述的防冲击地压专用钻杆，其特征在于：所述对接管(6)内侧的直径和连接轴(3)外侧的直径相匹配，且对接管(6)通过弹簧(5)和杆体(1)之间构成伸缩结构。
  3. 根据权利要求1所述的防冲击地压专用钻杆，其特征在于：所述导向条(7)关于对接管(6)的轴心线呈对称平行分布，且导向条(7)和滑槽(8)之间构成滑动连接。
  4. 根据权利要求1所述的防冲击地压专用钻杆，其特征在于：所述卡槽(9)的截面形状为圆弧状，且卡槽(9)的直径和弹簧(5)的外侧直径相匹配，并且卡槽(9)和弹簧(5)之间呈卡合连接。
  5. 根据权利要求1所述的防冲击地压专用钻杆，其特征在于：所述限位块(12)的截面形状为环形跑道状结构，且限位块(12)的厚度和长孔(4)内侧表面的间距相吻合，并且限位块(12)的轴心线和对接管(6)的轴心线相互垂直，而且限位块(12)的截面尺寸和对接孔(11)的截面尺寸相匹配。
  6. 根据权利要求1所述的防冲击地压专用钻杆，其特征在于：所述套管(13)的厚度和连接槽(10)的厚度相同，且套管(13)通过连接槽(10)和对接管(6)之间呈套接连接。
PCT/CN2020/119109 2020-07-04 2020-09-29 防冲击地压专用钻杆 WO2022007209A1 (zh)

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CN111706270A (zh) * 2020-07-04 2020-09-25 邹城兖矿泰德工贸有限公司 防冲击地压专用钻杆

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CN108952597A (zh) * 2018-07-24 2018-12-07 邹城兖矿泰德工贸有限公司 防冲专用钻杆
CN208803822U (zh) * 2018-07-19 2019-04-30 天津市易莱特机械工具有限公司 一种减振钻杆
CN111706270A (zh) * 2020-07-04 2020-09-25 邹城兖矿泰德工贸有限公司 防冲击地压专用钻杆

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US5263899A (en) * 1990-06-12 1993-11-23 Hitachi Construction Machinery Co., Ltd. Cylindrical telescopic kelly-bar apparatus
US6151810A (en) * 1996-12-06 2000-11-28 Mukai; Toshio Connecting device of soil removing member for excavator
CN101906940A (zh) * 2010-07-20 2010-12-08 许岩 地钻用冲击头组件
CN101975033A (zh) * 2010-09-29 2011-02-16 北京市三一重机有限公司 一种缓冲装置
CN206503559U (zh) * 2017-03-06 2017-09-19 訾慧敏 一种地质勘探用钻头
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CN208803822U (zh) * 2018-07-19 2019-04-30 天津市易莱特机械工具有限公司 一种减振钻杆
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