Horizontal well and directional well drill string anti-blocking device

Abstract

The utility model provides a horizontal well directional well drill string anti-blocking device which comprises a drill string, a drill bit is rotationally connected to the inner wall of the bottom of the middle of the drill string, a driving rod is arranged at the output end of a driving motor, an annular base body is arranged on the inner wall of the top of the middle of the drill bit, and an annular sliding groove is formed in the inner wall of the side end of the annular base body. Mounting blocks are arranged on the inner walls of the bottoms of the drill columns, limiting transverse rods are arranged on the inner walls of the side ends of the mounting blocks, circular grooves are formed in the inner walls of the tops of the two ends of the annular base body, and lifting sliding blocks are slidably connected to the inner walls of the side ends of the driving rods. According to the horizontal well and directional well drill string anti-blocking device, the annular base body and the limiting transverse rod are used in cooperation, the accuracy of a device workpiece in the using process can be improved, meanwhile, due to the design of other structures such as the sliding vertical block, a worker can conveniently check and maintain the workpiece in the device in the later period, and the working efficiency is improved. And the working efficiency of workers is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drill string anti-sticking, in particular to a drill string anti-sticking device for a horizontal well or directional well. Background Art

[0002] During the drilling process, the phenomenon that the drill tool is stuck in the well and cannot move freely due to various reasons is called drill sticking. The drill tool cannot be pulled out of the well, and even cannot be lifted up, lowered or rotated. Some stuck drills cannot circulate the drilling fluid. This is a common accident in drilling work. The main types of drill sticking include keyway stuck drill, sand stuck drill, well collapse stuck drill, etc.

[0003] During long-term use of common devices, the workpieces inside the device are prone to position deviation, resulting in inaccurate positions between the workpieces in the device. During long-term use, the workpieces inside the device may become stuck and unable to move freely. At the same time, it is inconvenient for later staff to perform maintenance and inspection on the workpieces inside the device.

[0004] Therefore, it is necessary to provide a horizontal well directional well drill string anti-stuck device to solve the above technical problems. Utility Model Content

[0005] The utility model provides a horizontal well directional well drill string anti-jamming device, which solves the problem that workpieces inside the device are prone to position deviation, resulting in inaccurate positions between the workpieces in the device.

[0006] The cam is provided with a plurality of grooves at the inner wall of each end of the drill string, and a plurality of grooves are provided on the inner wall of each end of the drill string. A limiting cross bar is provided on the side end inner wall of the mounting block, and a fixing groove is provided on the inner wall at the middle top of the annular base, and circular grooves are provided on the inner walls at the top of both ends of the annular base, and guide rods are provided on the inner walls at the bottom of the support plate at both ends, and a fixing block is provided on the inner wall at the bottom inner wall of the driving rod, and a limiting rod is provided on the inner wall at both ends of the fixing block, and a limiting sleeve is provided on the inner wall of the driving rod and the top of the guide rod, and a lifting slider is slidably connected to the inner wall of the side end of the driving rod, and a limiting hole is provided on the middle inner wall of the lifting slider, and guide holes are provided on the inner walls at both ends of the lifting slider, a mounting base is provided in the middle of the reserved groove, and auxiliary knife blocks are provided on the inner walls of the side ends of the mounting base, and fixed side plates are provided on the inner walls of the lifting slider and the mounting base, a rotating rod is provided between the inner walls of the side ends of the fixed side plates, and a connecting rod is rotatably connected to the inner wall of the side end of the rotating rod.

[0007] Preferably, a docking mounting plate is provided on the inner wall of the top of the drill string, and mounting holes are provided on the inner walls of the side ends of the docking mounting plate.

[0008] Preferably, protective support rings are provided on the inner walls of the side ends of the drill string, and protective support rods are fixedly connected between the inner walls of the side ends of the protective support rings.

[0009] Preferably, limit vertical grooves are provided on the inner walls at both ends of the sliding vertical groove, limit sliding blocks are provided on the inner walls at both ends of the sliding vertical block, fixing rods are provided on the bottom inner walls at both ends of the support frame, and limit blocks are provided on the bottom inner walls of the fixing rods.

[0010] Preferably, a motor support is provided on the inner wall of the side end of the driving motor, and mounting bolts are provided on the inner walls at both ends of the motor support.

[0011] Preferably, fasteners are provided on the top inner walls at both ends of the annular base, fastening plates are provided on the bottom inner walls at both ends of the annular base, and fastening bolts are provided on the side inner walls of the fastening plates.

[0012] Compared with the related art, the horizontal well directional well drill string anti-stuck device provided by the utility model has the following beneficial effects:

[0013] The utility model provides a device for preventing the drill string from getting stuck in a horizontal well or directional well. During the use of the drill string, in order to reduce accidents that occur to the drill bit during use, the coordinated use of an annular base and a limiting cross bar can improve the accuracy of the device workpiece during use and reduce the occurrence of accidents. At the same time, the device has a high damage rate during long-term use. The design of other structures such as the sliding vertical block can facilitate the later staff to check and repair the workpiece inside the device, thereby improving the work efficiency of the staff, reducing the cumbersome installation process in the later stage, and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of a horizontal well directional well drill string anti-stuck device provided by the utility model;

[0015] Figure 2 for Figure 1 The structural schematic diagram of the sliding ring groove shown;

[0016] Figure 3 for Figure 1 A schematic diagram of the structure of the mounting base shown;

[0017] Figure 4 for Figure 1 The structural schematic diagram of the lifting slider shown;

[0018] Figure 5 for Figure 1 The structural schematic diagram of the drill bit shown;

[0019] Figure 6 for Figure 1 Schematic diagram of the structure of the annular substrate shown.

[0020] Numbers in the figure: 1, drill column, 2, sliding vertical groove, 3, limiting vertical groove, 4, sliding ring groove, 5, reserved groove, 6, protective support ring, 7, protective support rod, 8, docking mounting plate, 9, mounting hole, 10, support frame, 11, support column, 12, sliding vertical block, 13, limiting slider, 14, support plate, 15, fixing rod, 16, limiting block, 17, drill bit, 18, sliding block, 19, annular base, 20, annular slide groove, 21, fixed groove, 22, circular Groove, 23, fastening plate, 24, fastening bolt, 25, driving motor, 26, driving rod, 27, fixing block, 28, limiting rod, 29, fastener, 30, guide rod, 31, limiting sleeve, 32, mounting block, 33, limiting cross bar, 34, motor support, 35, mounting bolt, 36, lifting slider, 37, limiting hole, 38, guide hole, 39, mounting base, 40, auxiliary knife block, 41, fixed side plate, 42, rotating rod, 43, connecting rod. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , Figure 6 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a horizontal well directional well drill string anti-stuck device provided by the utility model; Figure 2 for Figure 1 The structural schematic diagram of the sliding ring groove shown; Figure 3 for Figure 1 A schematic diagram of the structure of the mounting base shown; Figure 4 for Figure 1 The structural schematic diagram of the lifting slider shown; Figure 5 for Figure 1 The structural schematic diagram of the drill bit shown; Figure 6 for Figure 1A horizontal well directional well drill string anti-stuck device comprises: a drill string 1, wherein the inner walls at both ends of the drill string 1 are provided with sliding vertical grooves 2, the inner wall at the bottom of the sliding vertical groove 2 is provided with a sliding annular groove 4, the inner wall at the side end of the drill string 1 is provided with a reserved groove 5, a drill bit 17 is rotatably connected to the inner wall at the bottom of the middle of the drill string 1, and sliding blocks 18 are provided on the inner walls at both ends of the drill bit 17, a support frame 10 is provided in the middle of the drill string 1, and support columns 11 are provided between the inner walls of the side ends of the support frame 10, and the support A sliding vertical block 12 is provided on the inner wall at both ends of the column 11, a support plate 14 is provided on the inner wall at the middle top of the support frame 10, a driving motor 25 is provided on the inner wall at the middle top of the support plate 14, and a driving rod 26 is provided at the output end of the driving motor 25, an annular base 19 is provided on the inner wall at the middle top of the drill bit 17, and an annular slide groove 20 is provided on the inner wall at the side end of the annular base 19, and a mounting block 32 is provided on the inner wall at the bottom of the drill column 1, and a limit cross bar is provided on the inner wall at the side end of the mounting block 32 33, a fixing groove 21 is provided on the inner wall of the middle top of the annular base 19, circular grooves 22 are provided on the inner walls of the tops of both ends of the annular base 19, guide rods 30 are provided on the inner walls of the bottoms of both ends of the support plate 14, a fixing block 27 is provided on the inner wall of the bottom of the driving rod 26, and a limiting rod 28 is provided on the inner walls of both ends of the fixing block 27, and a limiting sleeve 31 is provided on the inner walls of the tops of the driving rod 26 and the guide rod 30, and a lifting slider 30 is slidably connected to the inner wall of the side end of the driving rod 26 6. A limit hole 37 is provided on the middle inner wall of the lifting slider 36, and guide holes 38 are provided on the inner walls at both ends of the lifting slider 36. A mounting base 39 is provided in the middle of the reserved groove 5, and auxiliary knife blocks 40 are provided on the inner walls of the side ends of the mounting base 39. Fixed side plates 41 are provided on the inner walls at both ends of the lifting slider 36 and the mounting base 39, and a rotating rod 42 is provided between the inner walls of the side ends of the fixed side plates 41, and a connecting rod 43 is rotatably connected to the inner wall of the side end of the rotating rod 42.

[0023] A docking mounting plate 8 is arranged on the inner wall at the top of the drill string 1, and mounting holes 9 are arranged on the inner walls at the side ends of the docking mounting plate 8, so as to facilitate the later workers to install and fix other devices and workpieces, thereby improving the convenience of using the device.

[0024] The inner wall of the side end of the drill string 1 is provided with a protective support ring 6, and the inner wall of the side end of the protective support ring 6 is fixedly connected with a protective support rod 7. During daily use of the device, the surface of the device can be protected to increase the service life of the device.

[0025] Limiting vertical grooves 3 are provided on the inner walls at both ends of the sliding vertical groove 2, limiting sliding blocks 13 are provided on the inner walls at both ends of the sliding vertical blocks 12, fixing rods 15 are provided on the inner walls at the bottom of both ends of the support frame 10, and limiting blocks 16 are provided on the inner walls at the bottom of the fixing rods 15, which can improve the accuracy of the device workpiece during use, reduce position deviation during use, and prevent affecting the normal use of the device.

[0026] A motor support 34 is provided on the inner wall of the side end of the driving motor 25, and mounting bolts 35 are provided on the inner walls at both ends of the motor support 34, which can improve the stable supporting effect of the device motor and reduce the falling phenomenon of the device.

[0027] Fasteners 29 are provided on the top inner walls at both ends of the annular base 19, fastening plates 23 are provided on the bottom inner walls at both ends of the annular base 19, and fastening bolts 24 are provided on the side inner walls of the fastening plates 23, which can facilitate the staff to install and fix the device workpiece, thereby facilitating subsequent inspection and maintenance.

[0028] The working principle of the horizontal well directional well drill string anti-stuck device provided by the utility model is as follows:

[0029] When the drill string 1 of the device is in use, in order to facilitate the use of the device, the sliding blocks 18 on the inner walls at both ends of the drill bit 17 can be slid and clamped into the sliding ring groove 4 on the inner wall of the bottom of the drill string 1 for rotation. At the same time, the limiting cross bar 33 on the inner wall of the bottom of the drill string 1 will be clamped into the annular sliding groove 20 on the inner wall of the annular base 19 for limiting processing. Subsequently, when the support frame 10 is slid and clamped into the sliding vertical groove 2 on the inner wall of the drill string 1, when the driving motor 25 is driven, the limiting rod 28 arranged at the bottom of the driving rod 26 will be clamped into the circular groove 22 on the inner wall of the annular base 19 at the top of the drill bit 17 to drive the rotation of the drill bit 17. At the same time, the lifting slider 36 slidably connected to the driving rod 26 will drive the auxiliary knife block 40 at the side end to carry out the process. When the staff needs to repair and inspect the workpiece inside the device, the workpiece inside the device can be rotated and slid for convenient disassembly, which can reduce the cumbersome installation process in the later stage.

[0030] Compared with the related art, the horizontal well directional well drill string anti-stuck device provided by the utility model has the following beneficial effects:

[0031] During the use of the drill string 1, in order to reduce the occurrence of accidents when the drill bit 17 is in use, the annular base 19 and the limiting cross bar 33 are used in cooperation to improve the accuracy of the device workpiece in use and reduce the occurrence of accidents. At the same time, the device has a high damage rate in long-term use. The design of other structures such as the sliding vertical block 12 can facilitate the later staff to inspect and repair the workpiece inside the device, improve the work efficiency of the staff, reduce the cumbersome installation process in the later stage, and improve the practicality of the device.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A horizontal well directional well drill string anti-stuck device, characterized in that: include: The cam is provided with a plurality of grooves at the inner walls of the two ends of the drill string, and a sliding annular groove is provided on the inner wall at the bottom of the sliding vertical groove. A reserved groove is provided on the inner wall of the side end of the drill string. A drill bit is rotatably connected to the inner wall of the middle bottom of the drill string, and sliding blocks are provided on the inner walls of the two ends of the drill bit. A support frame is provided in the middle of the drill string, and support columns are provided between the inner walls of the side ends of the support frame. Sliding vertical blocks are provided on the inner walls of the two ends of the support column. A support plate is provided on the inner wall of the middle top of the support frame, and a driving motor is provided on the inner wall of the middle top of the support plate. A driving rod is provided on the output end of the driving motor, and an annular base is provided on the inner wall of the middle top of the drill bit, and an annular sliding groove is provided on the inner wall of the side end of the annular base. A mounting block is provided on the inner wall of the bottom of the drill string, and a limited cross bar is provided on the inner wall of the side end of the mounting block. A fixing groove is provided on the inner wall of the middle top of the annular base, and circular grooves are provided on the inner walls at the top of both ends of the annular base, guide rods are provided on the inner walls at the bottom of the two ends of the support plate, and a fixing block is provided on the inner wall at the bottom of the driving rod, and limit rods are provided on the inner walls at both ends of the fixing block, and limit sleeves are provided on the inner walls of the tops of the driving rod and the guide rod, a lifting slider is slidably connected to the inner wall of the side end of the driving rod, a limited hole is provided on the middle inner wall of the lifting slider, and guide holes are provided on the inner walls of both ends of the lifting slider, an installation base is provided in the middle of the reserved groove, and auxiliary knife blocks are provided on the inner walls of the side ends of the installation base, and fixed side plates are provided on the inner walls of the lifting slider and the mounting base, a rotating rod is provided between the inner walls of the side ends of the fixed side plates, and a connecting rod is rotatably connected to the inner wall of the side end of the rotating rod.

2. The horizontal well directional well drill string anti-stuck device according to claim 1, characterized in that: A docking installation plate is arranged on the inner wall of the top of the drill string, and installation holes are arranged on the inner walls of the side ends of the docking installation plate.

3. The horizontal well directional well drill string anti-stuck device according to claim 1, characterized in that: The inner walls of the side ends of the drill string are all provided with protective support rings, and the inner walls of the side ends of the protective support rings are fixedly connected with protective support rods.

4. The horizontal well directional well drill string anti-stuck device according to claim 1, characterized in that: The inner walls at both ends of the sliding vertical groove are provided with limited vertical grooves, the inner walls at both ends of the sliding vertical block are provided with limited sliding blocks, the inner walls at the bottom of both ends of the support frame are provided with fixed rods, and the inner walls at the bottom of the fixed rods are provided with limited blocks.

5. The device for preventing a drill string from getting stuck in a horizontal well or directional well according to claim 1, characterized in that: A motor support is arranged on the inner wall of the side end of the driving motor, and mounting bolts are arranged on the inner walls at both ends of the motor support.

6. The device for preventing a drill string from getting stuck in a horizontal well or directional well according to claim 1, characterized in that: Fasteners are arranged on the top inner walls at both ends of the annular base, fastening plates are arranged on the bottom inner walls at both ends of the annular base, and fastening bolts are arranged on the side inner walls of the fastening plates.

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