Hole opening equipment for underground exploitation of oil field

By designing an oil field underground opening equipment with a rotatable shell and a drive system, the problems of large volume and large area of ​​existing equipment are solved, efficient and precise opening operations are achieved, and oil production costs are reduced.

CN222879633UActive Publication Date: 2025-05-16SICHUAN VOCATIONAL & TECHN COLLEGE OF COMM
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Patent Information

Application Number
CN202520687008.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2025-05-16
Estimated Expiration
2035-04-14

AI Technical Summary

Technical Problem

The existing underground oilfields use hole opening equipment with large volume and large area, making it difficult to effectively adjust the angle and movement, affecting the hole opening efficiency and accuracy.

Method used

A downhole opening equipment for oil field including shell, support components, screw rods and laminates is designed. It is connected to the transverse column through the connecting seat at the bottom of the shell to realize the rotation and angle adjustment of the shell. The driving motor and reducer are used to drive the drill rod to rotate, and the screw rod and internal thread slider drive the movement of the laminates to achieve efficient opening of the soil or rock layer underground.

Benefits of technology

The housing of the equipment can be rotated, easy to adjust the angle, small footprint, easy to operate, can improve the opening efficiency and accuracy, and reduce oil production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of oil well exploitation, and discloses drilling equipment for oil field underground exploitation, which comprises a shell, a support component, a screw rod and a laminate, a lead screw is rotationally connected into the shell through a bearing, the lead screw is sleeved with an internal thread sliding block, a layer plate is fixed to the top of the internal thread sliding block through a bolt, a speed reducer is fixed to the top of the layer plate through a bolt, a driving motor is installed at the input end of the speed reducer through an installation frame, and the output end of the speed reducer is fixedly sleeved with a drill rod through a flat key. A gear motor is installed at one end of the shell through an installation frame, a supporting assembly is arranged at the bottom of the shell and comprises a supporting frame arranged at the bottom of the shell, and structural bases are fixed to the two ends of the top of the supporting frame through bolts. The shell is supported by the supporting frame, the shell is connected to the top of the shell through the connecting base and the transverse column, the shell can rotate, the angle of the shell can be adjusted conveniently, and the device is suitable for wide application and popularization.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil well exploitation, in particular to a hole-opening device used for underground well exploitation in an oil field. Background Art

[0002] The drilling equipment used in underground drilling refers to various mechanical equipment used for drilling operations underground in oil fields. These equipment play a key role in the oil field exploitation process. They can complete the drilling task efficiently and accurately, thereby improving the oil field's oil production efficiency and reducing oil production costs.

[0003] Downhole drilling rig is a hole-opening equipment used in oilfields. It is mainly used in coal mine and oilfield exploration. It adopts modular design and has the characteristics of high torque, stepless speed regulation, all-round and multi-angle drilling. It is suitable for the construction of various engineering holes such as drilling holes for water and gas hazard detection and control in coal mines, gas extraction holes, grouting holes for fire prevention and extinguishing.

[0004] Downhole drilling rigs are mainly used to drive drilling tools underground in the oil field to drill holes in soil and rock layers. However, the existing drilling equipment for downhole drilling in oil fields is driven by aluminum belts, which are large in size and occupy a large area. Therefore, we propose a drilling equipment for downhole drilling in oil fields. Utility Model Content

[0005] Technical issues solved

[0006] In view of the deficiencies of the prior art, the utility model provides a hole-opening device for underground drilling in oil fields, which solves the problems raised by the background technology.

[0007] Technical Solution

[0008] The utility model provides the following technical solutions: a hole-opening device for drilling downhole in an oil field, comprising a housing, a support assembly, a screw rod and a layer plate;

[0009] A screw rod is rotatably connected to the inside of the shell through a bearing, an internally threaded slider is sleeved on the outside of the screw rod, a layer plate is fixed to the top of the internally threaded slider by bolts, a reducer is fixed to the top of the layer plate by bolts, a driving motor is installed on the input end of the reducer through a mounting frame, a drill rod is fixed on the output end of the reducer through a flat key fixing sleeve, a reduction motor is installed on one end of the shell through the mounting frame, a support assembly is provided at the bottom of the shell, the support assembly includes a support frame arranged at the bottom of the shell, structural seats are fixed to the top two ends of the support frame by bolts, cross columns are fixed between the structural seats by bolts, a connecting seat is provided on the outside of the cross column through a bearing sleeve, and the connecting seat is fixed to the bottom of the shell by bolts.

[0010] Furthermore, a reserved groove is penetrated through the top of the shell, the internal thread slider penetrates the reserved groove, a first telescopic cover is fixed between one side of the internal thread slider and the reserved groove by bolts, and a second telescopic cover is fixed between the other side of the internal thread slider and the reserved groove by bolts.

[0011] Furthermore, two ends of the shell away from the reduction motor are connected with positioning cones through threaded grooves, one end of the top of the shell is fixed with a limiting ring through bolts, and the drill rod passes through the limiting ring.

[0012] Furthermore, the shell is provided with limiting sliding grooves at the top of both sides of the reserved groove, and auxiliary rollers are fixed equidistantly at both ends of the bottom of the layer plate by bolts, and the bottom ends of the auxiliary rollers are located inside the limiting sliding grooves.

[0013] Furthermore, a structural plate is welded to the bottom end of one side of the support frame, and both ends of the top of the structural plate are connected with fixing screws through threaded grooves, and rollers are fixed to both ends of the structural plate and the bottom of the support frame by bolts.

[0014] Furthermore, an output shaft on one side of the reduction motor is fixedly connected to one end of the screw rod through a connecting sleeve.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The connecting seat at the bottom of the shell is sleeved on the horizontal column through a bearing and supported by a support frame, which occupies a small area. The shell can be rotated through the horizontal column and the connecting seat, which is convenient for adjusting its angle. A roller is provided at the bottom of the support frame, which is convenient for one end of the support frame to be moved to the predetermined location, and then the fixing screw is rotated with a tool to be inserted into the ground, so that the support frame can be fixed;

[0017] The driving motor drives the drill rod to rotate through the reducer, and the reducer motor drives the screw to rotate. The screw rotation drives the internal thread slider and the layer plate on its top to move, thereby driving the reducer and the rotating drill rod to move, and drilling holes in the soil or rock layer under the well;

[0018] The drilling equipment is used in the underground drilling of the oil field. The shell is supported by a support frame. The shell is connected to the top of the shell through a connecting seat and a cross column and can be rotated to facilitate the adjustment of the shell angle. A driving motor is used to drive the drill pipe to rotate and a reduction motor is used to drive the drill pipe to move. The structure is simple and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the housing structure of the utility model;

[0021] Figure 3This is a schematic diagram of the internal structure of the shell of the utility model;

[0022] Figure 4 This is a schematic diagram of the support assembly structure of the utility model;

[0023] In the figure: 1. Shell; 101. Limiting ring; 102. Positioning cone; 2. Support assembly; 201. Support frame; 202. Structural seat; 203. Cross column; 204. Connecting seat; 205. Structural plate; 206. Fixing screw; 207. Roller; 3. Screw; 4. Internal thread slider; 5. Reducer motor; 6. Layer; 7. Reducer; 8. Drive motor; 9. Drill rod; 10. Reserved slot; 11. First telescopic cover; 12. Second telescopic cover; 13. Limiting slide slot; 14. Auxiliary roller. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 4 In the embodiment of the utility model, it includes a housing 1, a support assembly 2, a screw rod 3 and a layer plate 6;

[0026] A screw rod 3 is rotatably connected to the inside of the shell 1 through a bearing, an internal threaded slider 4 is sleeved on the outside of the screw rod 3, a layer plate 6 is fixed to the top of the internal threaded slider 4 by bolts, a reducer 7 is fixed to the top of the layer plate 6 by bolts, a driving motor 8 is installed on the input end of the reducer 7 through a mounting frame, a drill rod 9 is fixed on the output end of the reducer 7 through a flat key fixing sleeve, a reduction motor 5 is installed on one end of the shell 1 through a mounting frame, a support assembly 2 is arranged at the bottom of the shell 1, and the support assembly 2 includes a support frame 201 arranged at the bottom of the shell 1, a structural seat 202 is fixed to the two ends of the top of the support frame 201 by bolts, a cross column 203 is fixed between the structural seats 202 by bolts, a connecting seat 204 is provided on the outside of the cross column 203 through a bearing sleeve, and the connecting seat 204 is fixed to the bottom of the shell 1 by bolts.

[0027] Among them, a reserved groove 10 is penetrated through the top of the shell 1, the internal thread slider 4 penetrates the reserved groove 10, a first telescopic cover 11 is fixed between one side of the internal thread slider 4 and the reserved groove 10 by bolts, and a second telescopic cover 12 is fixed between the other side of the internal thread slider 4 and the reserved groove 10 by bolts. The opening of the reserved groove 10 facilitates the movement of the internal thread slider 4, and the first telescopic cover 11 and the second telescopic cover 12 can block the reserved groove 10 when the internal thread slider 4 moves, so as to prevent dust, gravel, etc. from falling into the shell 1 through the reserved groove 10.

[0028] Among them, the two ends of the shell 1 away from the reduction motor 5 are connected with positioning cones 102 through threaded grooves, and the top end of the shell 1 is fixed with a limiting ring 101 by bolts. The drill rod 9 passes through the limiting ring 101. The limiting ring 101 can improve the stability of the drill rod 9 so that it will not be skewed. The positioning cone 102 at one end of the shell 1 is pressed against the well wall, which can position the shell 1 and prevent it from shifting during drilling.

[0029] Among them, the shell 1 is provided with a limiting slide groove 13 at the top on both sides of the reserved groove 10, and auxiliary rollers 14 are fixed equidistantly at both ends of the bottom of the layer plate 6 by bolts, and the bottom end of the auxiliary roller 14 is located inside the limiting slide groove 13. The limiting slide groove 13 and the auxiliary roller 14 can support the layer plate 6 without affecting its movement.

[0030] Among them, a structural plate 205 is welded to the bottom end of one side of the support frame 201, and the two ends of the top of the structural plate 205 are connected with fixing screws 206 through threaded grooves. The structural plate 205 and the two ends of the bottom of the support frame 201 are fixed with rollers 207 by bolts. The setting of the roller 207 facilitates the movement of the device. The fixing screw 206 is screwed to the ground to fix the shell 1.

[0031] Among them, the output shaft on one side of the reduction motor 5 is fixedly connected to one end of the screw rod 3 through a connecting sleeve, and the reduction motor 5 is used to drive the screw rod 3 to rotate.

[0032] The working principle of the utility model is as follows: the connecting seat 204 at the bottom of the shell 1 is mounted on the horizontal column 203 through a bearing sleeve, and is supported by the support frame 201, which occupies a small area. The shell 1 can be rotated through the horizontal column 203 and the connecting seat 204, which is convenient for adjusting its angle. A roller 207 is provided at the bottom of the support frame 201, which is convenient for one end of the support frame 201 to move to a predetermined location, and then use a tool to rotate the fixing screw 206 to insert it into the ground, so that the support frame 201 can be fixed. The personnel power the device, adjust the angle of the shell 1 and manually support it, turn on the drive motor 8 The reducer 7 drives the drill rod 9 to rotate, and then the reduction motor 5 is turned on to drive the screw rod 3 to rotate. The rotation of the screw rod 3 pushes the internal thread slider 4 and the layer plate 6 on its top to move, thereby driving the reducer 7 and the rotating drill rod 9 to move, and drilling holes in the soil layer or rock layer under the well. When the internal thread slider 4 moves, the first telescopic cover 11 and the second telescopic cover 12 are telescoped to prevent dust, gravel, etc. from falling into the shell 1 through the reserved groove 10. When the internal thread slider 4 moves, the auxiliary roller 14 at the bottom of the layer plate 6 rolls in the limiting slide groove 13, which can support it without affecting the movement of the layer plate 6.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drilling device for drilling downhole in an oil field, comprising a housing (1), a support assembly (2), a screw rod (3) and a layer plate (6); Features: A screw rod (3) is rotatably connected to the inside of the housing (1) via a bearing, an internally threaded slider (4) is sleeved on the outside of the screw rod (3), a layer plate (6) is fixed to the top of the internally threaded slider (4) via bolts, a reducer (7) is fixed to the top of the layer plate (6) via bolts, a drive motor (8) is mounted on the input end of the reducer (7) via a mounting frame, a drill rod (9) is mounted on the output end of the reducer (7) via a flat key fixing sleeve, a reduction motor (5) is mounted on one end of the housing (1) via a mounting frame, a support assembly (2) is provided at the bottom of the housing (1), the support assembly (2) comprises a support frame (201) arranged at the bottom of the housing (1), structural seats (202) are fixed to the top ends of the support frame (201) via bolts, a cross column (203) is fixed between the structural seats (202) via bolts, a connecting seat (204) is provided on the outside of the cross column (203) via a bearing sleeve, and the connecting seat (204) is fixed to the bottom of the housing (1) via bolts.

2. The drilling device for oil field underground drilling according to claim 1, characterized in that: A reserved groove (10) is formed through the top of the housing (1), the internal thread slider (4) passes through the reserved groove (10), a first telescopic cover (11) is fixed between one side of the internal thread slider (4) and the reserved groove (10) by bolts, and a second telescopic cover (12) is fixed between the other side of the internal thread slider (4) and the reserved groove (10) by bolts.

3. The drilling device for oil field downhole drilling according to claim 1, characterized in that: The two ends of the housing (1) away from the reduction motor (5) are connected to positioning cones (102) via threaded grooves, and one end of the top of the housing (1) is fixed to a limiting ring (101) via bolts, and the drill rod (9) passes through the limiting ring (101).

4. The drilling device for oil field downhole drilling according to claim 1, characterized in that: The housing (1) is provided with limit sliding grooves (13) at the top of both sides of the reserved groove (10), and auxiliary rollers (14) are fixed equidistantly at both ends of the bottom of the layer plate (6) by bolts, and the bottom ends of the auxiliary rollers (14) are located inside the limit sliding grooves (13).

5. The drilling device for oil field downhole drilling according to claim 1, characterized in that: A structural plate (205) is welded to the bottom end of one side of the support frame (201), and fixing screws (206) are connected to the top ends of the structural plate (205) via threaded grooves, and rollers (207) are fixed to the bottom ends of the structural plate (205) and the support frame (201) via bolts.

6. The drilling device for oil field underground drilling according to claim 1, characterized in that: An output shaft on one side of the reduction motor (5) is fixedly connected to one end of the screw rod (3) via a connecting sleeve.