Directional drilling cleaning tool
By designing a directional drilling internal cleaning tool including collection cylinder, child joint, female joint and material guide assembly, the problem of gravel inside the hole cannot be cleaned in time during directional drilling construction, and the safety and stability of the tow back process are achieved.
Patent Information
- Application Number
- CN202420818854.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-19
AI Technical Summary
During the construction of directional drilling, the gravel inside the hole cannot be cleaned in time, which affects the safety of the back-drag pipeline.
A directional drilling in-hole cleaning tool is designed, including a collection barrel, a child joint, a female joint and a guide assembly. One end of the collection barrel is an open structure, the child joint and the female joint are respectively installed at both ends of the collection barrel, and the guide assembly is located at one end of the collection barrel away from the pipe. When dragging the pipe back, the collection barrel is located in front of the pipe, and the guide assembly guides the gravel into the collection barrel to achieve the cleaning of the gravel.
Through the use of this tool, it can effectively prevent gravel inside the hole from damaging the pipes back tow, improving the safety and stability of the back tow process.
Smart Images
Figure CN222746061U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of directional drilling construction, and in particular relates to a cleaning tool for a directional drilling hole. Background Art
[0002] During directional drilling in rock formations, due to the discontinuity of the strata, multiple broken zones are usually passed through. The holes in the broken locations often have rocks falling due to the poor bonding ability between the soil bodies. Before the directional drilling of the pipeline is pulled back, the holes of the directional drilling need to be cleaned. However, during the pullback, due to the disturbance of the strata, some gravel may collapse into the hole again. When there are gravel in the hole, if it is not cleaned in time, it is easy to affect the safety of the pulled back pipeline. Utility Model Content
[0003] The utility model provides a directional drilling hole cleaning tool, which aims to solve the problem in the prior art that the gravel inside the hole cannot be cleaned in time during the directional drilling construction process, which easily affects the installation of the pull-back pipeline.
[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a directional drilling cleaning tool, comprising:
[0005] A collecting cylinder, one end of which is provided with an opening for gravel to enter the collecting cylinder;
[0006] A sub-connector, mounted at one end of the collecting tube;
[0007] A female connector, which is coaxially arranged with the sub-connector and is respectively located at two ends of the collecting tube;
[0008] The material guide assembly is installed at the opening of the collecting barrel and is used to guide the crushed stones into the interior of the collecting barrel.
[0009] In a possible implementation, a central axis is fixedly installed in the middle of the collecting tube, the length direction of the central axis is arranged along the axis of the collecting tube, and the sub-connector and the female connector are respectively located at two ends of the central axis.
[0010] In a possible implementation, the central shaft, the sub-joint, and the female joint are all hollow structures, and a flushing hole connected to the collecting cylinder is provided on the side wall of the central shaft.
[0011] In a possible implementation, a filter hole for filtering debris is provided on the side wall of the collecting cylinder.
[0012] In a possible implementation, the collecting tube includes:
[0013] A sleeve, which is sleeved on the outer side of the central axis, and the sleeve is coaxially arranged with the central axis;
[0014] The conical connector is fixedly connected to one end of the sleeve away from the material guiding assembly, and the conical connector is fixedly installed on the end of the sleeve.
[0015] In a possible implementation, the material guiding component includes:
[0016] A collecting barrel, fixedly mounted on the end of the collecting barrel and connected to the collecting barrel;
[0017] The spiral guide plate is fixedly mounted on the inner wall of the collecting barrel and is used for guiding the crushed stones to move into the inside of the collecting barrel when the collecting barrel rotates.
[0018] In a possible implementation, the inner radial direction of the collecting barrel gradually decreases toward the collecting barrel.
[0019] In a possible implementation, filter holes for filtering debris are provided on the side walls of the collecting barrel and the collecting barrel.
[0020] Compared with the prior art, the solution shown in the embodiment of the present application is provided with a collecting tube, one end of which is an open structure, and a sub-joint and a female joint are fixedly installed at both ends of the collecting tube. The sub-joint is provided with an external thread, and the female joint is provided with a threaded hole, and the collecting tube can be installed between the two drill rods in front of the pipeline through the sub-joint and the female joint. The material guide assembly on the collecting tube is located at the end of the collecting tube away from the pipeline. When the pipeline is towed back, the collecting tube is located in front of the pipeline, and the gravel inside the hole will be guided by the material guide assembly to the inside of the collecting tube for collection, thereby preventing the gravel inside the hole from damaging the towed back pipeline. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 A half-section view of a directional drilling cleaning tool provided by an embodiment of the utility model;
[0022] Figure 2 A schematic structural diagram of a directional drilling cleaning tool provided in an embodiment of the utility model.
[0023] Description of reference numerals:
[0024] 1. Collecting cylinder; 11. Filter hole; 12. Sleeve; 13. Conical connector; 2. Sub-connector; 3. Female connector; 4. Material guide assembly; 41. Collecting cylinder; 42. Spiral guide plate; 5. Center axis; 51. Flushing hole. DETAILED DESCRIPTION
[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0026] Please also read Figure 1 and Figure 2 The directional drilling cleaning tool provided by the utility model is now described. The directional drilling cleaning tool comprises a collecting barrel 1, a sub-joint 2, a female joint 3 and a material guide assembly 4. An opening for gravel to enter the collecting barrel 1 is provided at one end of the collecting barrel 1; the sub-joint 2 is installed at one end of the collecting barrel 1; the female joint 3 is coaxially arranged with the sub-joint 2 and respectively located at the two ends of the collecting barrel 1; the material guide assembly 4 is installed at the opening of the collecting barrel 1, and is used to guide gravel to enter the collecting barrel 1.
[0027] Compared with the prior art, the cleaning tool for directional drilling provided in this embodiment is provided with a collecting barrel 1, one end of which is an open structure, and a sub-joint 2 and a female joint 3 are fixedly installed at both ends of the collecting barrel 1. The sub-joint 2 is provided with an external thread, and the female joint 3 is provided with a threaded hole, and the collecting barrel 1 can be installed between the two drill rods in front of the pipeline through the sub-joint 2 and the female joint 3. The material guide component 4 on the collecting barrel 1 is located at the end of the collecting barrel 1 away from the pipeline. When the pipeline is pulled back, the collecting barrel is located in front of the pipeline, and the gravel inside the hole will be guided by the material guide component 4 to the inside of the collecting barrel 1 for collection, thereby preventing the gravel inside the hole from damaging the pulled back pipeline.
[0028] In some embodiments, the collecting tube 1 can be used as follows Figure 1 , Figure 2 See also Figure 1 , Figure 2 , a central axis 5 is fixedly installed in the middle of the collecting tube 1, the length direction of the central axis 5 is arranged along the axis of the collecting tube 1, and the sub-joint 2 and the female joint 3 are respectively located at both ends of the central axis 5. The collecting tube 1 is fixedly installed on the central axis 5, and the sub-joint 2 and the female joint 3 are respectively installed at both ends of the central axis 5, and the sub-joint 2 and the female joint 3 are coaxially arranged with the central axis 5. Preferably, the sub-joint 2, the female joint 3 and the central axis 5 are an integrally formed structure, and are all located on the same axis. The connection between the collecting tube 1 and the drill pipe can be achieved through the central axis 5. At the same time, the setting of the central axis 5 can strengthen the connection strength between the collecting tube 1 and the drill pipe.
[0029] Specifically, in this embodiment, the central axis 5 is coaxially arranged with the collecting cylinder 1 .
[0030] In some embodiments, the central axis 5 may be Figure 1 , Figure 2 See also Figure 1 , Figure 2 The central shaft 5, the sub-joint 2 and the female joint 3 are all hollow structures, and a flushing hole 51 connected to the collecting tube 1 is provided on the side wall of the central shaft 5. The central shaft 5, the sub-joint 2 and the female joint 3 are all integrally formed structures, and through holes for mud circulation are provided inside the central shaft 5, the sub-joint 2 and the female joint 3, so that the mud inside the drill pipe can flow into the collecting tube 1 through the flushing hole 51, and the gravel inside the collecting tube 1 can be cleaned. The soil and small debris on the surface of the gravel are washed away.
[0031] In some embodiments, the collecting tube 1 can be used as follows Figure 1 , Figure 2 See also Figure 1 , Figure 2 , a filter hole 11 for filtering debris is arranged on the side wall of the collection barrel 1. A plurality of filter holes 11 are arranged on the side wall of the collection barrel 1, and the plurality of filter holes 11 are evenly arranged on the side wall of the collection barrel 1. Through the setting of the filter holes 11, the mud and small particles that will not damage the pipeline that flow into the collection barrel 1 can be filtered out. Avoid occupying the space inside the collection barrel 1. Allow the collection barrel 1 to accommodate more gravel.
[0032] In some embodiments, the collecting tube 1 can be used as follows Figure 1 , Figure 2 See also Figure 1 , Figure 2 The collecting tube 1 includes a sleeve 12 and a conical connector 13. The sleeve 12 is sleeved on the outside of the central axis 5, and the sleeve 12 is coaxially arranged with the central axis 5; the conical connector 13 is fixedly connected to the end of the sleeve 12 away from the material guide assembly 4, and the conical connector 13 is fixedly installed at the end of the sleeve 12. The sleeve 12 is a cylindrical shell, and the conical connector 13 is fixedly connected to the end of the sleeve 12. The conical connector 13 adopts a conical structure formed by rolling steel plates. The end with a larger outer diameter is fixedly installed at the end of the sleeve 12 by welding, and the end with a smaller outer diameter of the conical connector 13 is fixedly installed on the outside of the central axis 5. On the one hand, the connection between the sleeve 12 and the central axis 5 is realized. At the same time, the bottom end of the sleeve 12 can be closed to achieve the function of accommodating gravel.
[0033] In some embodiments, the material guide component 4 can be used as follows Figure 1 , Figure 2 See also Figure 1 , Figure 2The material guide assembly 4 includes a collection barrel 41 and a spiral guide plate 42. The collection barrel 41 is fixedly mounted on the end of the collection barrel 1 and is connected to the collection barrel 1; the spiral guide plate 42 is fixedly mounted on the inner wall of the collection barrel 41, and is used to guide the crushed stone to move into the collection barrel 1 when the collection barrel 41 rotates. The collection barrel 41 is fixedly mounted on the end of the collection barrel 1 where an opening is provided, and is connected to the opening on the collection barrel 1. A spiral guide plate 42 is installed inside the collection barrel 41, and when the collection barrel 1 is installed on the drill rod, it will rotate with the drill rod. Therefore, when the collection barrel 41 rotates, the crushed stone can be guided to move into the collection barrel 1 through the spiral guide plate 42. The crushed stone can be effectively moved into the collection barrel 1.
[0034] Preferably, in this embodiment, the spiral guide plate 42 is fixedly installed between the central shaft 5 and the collecting barrel 41 .
[0035] In some embodiments, the collecting barrel 41 may be formed as follows: Figure 1 , Figure 2 See also Figure 1 , Figure 2 The inner diameter of the collecting barrel 41 gradually decreases toward the collecting barrel 1. The inner hole of the collecting barrel 41 is a conical structure, and the inner diameter of the end of the collecting barrel 41 away from the collecting barrel 1 is larger than the end connected to the collecting barrel 1. The cross-sectional area of the collecting end of the collecting barrel 41 can be increased, and the crushed stones inside the holes can be effectively collected into the collecting barrel 1.
[0036] In some embodiments, the collecting barrel 41 may be formed as follows: Figure 1 , Figure 2 See also Figure 1 , Figure 2 , filter holes 11 for filtering debris are provided on the side walls of the collecting barrel 41 and the collecting barrel 1. The filter holes 11 are provided around the collecting barrel 41 and the collecting barrel 1, so that small debris collected inside the collecting barrel 41 can pass through the holes during the crushed stone transportation process, and during the overturning process of the collecting barrel 41 and the collecting barrel 1, the debris inside the collecting barrel 41 and the collecting barrel 1 can be effectively discharged through the filter holes 11 on the side walls.
[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A directional drilling cleaning tool, characterized in that: include: A collecting cylinder (1), one end of the collecting cylinder (1) being provided with an opening for gravel to enter the interior of the collecting cylinder (1); A sub-connector (2) installed at one end of the collecting tube (1); A female connector (3) is coaxially arranged with the sub-connector (2) and is respectively located at two ends of the collecting tube (1); A material guide assembly (4) is installed at the opening of the collecting barrel (1) and is used to guide the gravel into the interior of the collecting barrel (1); The material guiding component (4) comprises: A collecting barrel (41) is fixedly mounted on the end of the collecting barrel (1) and is in communication with the collecting barrel (1); The spiral guide plate (42) is fixedly mounted on the inner wall of the collecting barrel (41) and is used to guide the crushed stones to move into the interior of the collecting barrel (1) when the collecting barrel (41) rotates.
2. The directional drilling cleaning tool according to claim 1, characterized in that: A central axis (5) is fixedly mounted in the middle of the collecting tube (1), the length direction of the central axis (5) is arranged along the axis of the collecting tube (1), and the sub-connector (2) and the female connector (3) are respectively located at two ends of the central axis (5).
3. The directional drilling cleaning tool according to claim 2, characterized in that: The central shaft (5), the sub-joint (2) and the female joint (3) are all hollow structures, and a flushing hole (51) communicating with the collecting cylinder (1) is provided on the side wall of the central shaft (5).
4. The directional drilling cleaning tool according to claim 1 or 3, characterized in that: The side wall of the collecting cylinder (1) is provided with filtering holes (11) for filtering debris.
5. The directional drilling cleaning tool according to claim 2, characterized in that: The collecting tube (1) comprises: A sleeve (12) is sleeved on the outer side of the central axis (5), and the sleeve (12) and the central axis (5) are coaxially arranged; The conical connector (13) is fixedly connected to one end of the sleeve (12) away from the material guide assembly (4), and the conical connector (13) is fixedly mounted on the end of the sleeve (12).
6. The directional drilling cleaning tool according to claim 1, characterized in that: The inner radial direction of the collecting barrel (41) gradually decreases in a direction approaching the collecting barrel (1).
7. The directional drilling cleaning tool according to claim 6, characterized in that: Filter holes (11) for filtering debris are provided on the side walls of the collecting barrel (41) and the collecting barrel (1).