CN220791168U - Drilling device with good stability for petroleum drilling - Google Patents

Abstract

The utility model belongs to the technical field of petroleum exploitation, in particular to a drilling device for petroleum drilling with good stability, which comprises a well tower and a tube changing assembly arranged in the well tower; the pipe changing assembly comprises two groups of clamping blocks arranged inside the well tower, a force application hydraulic rod arranged inside the well tower and a pipe unloading wheel arranged below the clamping blocks, two groups of sliding rail seats are fixed inside the well tower, a moving plate is slidably connected to the top of the sliding rail seats, two groups of arc sliding grooves are formed in the top of the moving plate, a screw rod seat is slidably connected to the inside of the arc sliding grooves, after the drill rod is drilled to a limit position through the pipe changing assembly, the force unloading can be carried out on the middle end of the drill rod by the device, then the drill rod at the middle end is detached, then the drill rod at the middle end is additionally installed, the subsequent work can be ensured, and the force application on holes in the drilling process of the device can be ensured through the drilling assembly.

Description

Drilling device with good stability for petroleum drilling

Technical Field

The utility model belongs to the technical field of petroleum exploitation, and particularly relates to a drilling device for petroleum drilling with good stability.

Background

The drilling machine is a general name of a machine and equipment for leaving a cylindrical hole or a hole on a target object by using a tool which is harder and sharper than the target object through rotary cutting or rotary extrusion, the drilling machine is a host machine for completing drilling construction, drives a drilling tool and a drill bit to drill into the deep part of a stratum, and completes auxiliary work such as drilling tool and casing taking, core extracting, drill bit replacing and the like through a lifter on the drilling machine;

through investigation publication (bulletin) number: CN214944025U discloses a drilling positioning device and drilling equipment for petroleum exploitation, and the technology discloses the technical contents of a fixing frame, two sliding rods fixed inside the fixing frame and arranged in parallel at intervals, two sliding sleeves respectively sleeved on the two sliding rods in a sliding manner, a driving mechanism respectively connected with the two sliding sleeves and capable of driving the sliding sleeves to slide along the sliding rods, a limiting plate fixed between the two sliding sleeves, and the like; according to the drilling positioning device and the drilling equipment for oil exploitation, the upper end and the lower end of the drill rod are limited through the hydraulic cylinder and the limiting plate respectively, so that the drill rod and the drill bit cannot deviate in the drilling process, and the technical effects of improving the drilling quality, the drilling precision and the like of oil exploitation are ensured;

the prior art has the following problems: although the design can ensure that the drill rod and the drill bit cannot deviate in the drilling process, so that the drilling quality and the drilling precision of petroleum exploitation are improved, in the actual use process, if the drill bit drills to the limit position and the exploitation position does not reach the petroleum exploitation area at the moment, the drill rod needs to be prolonged, so that the drill rod continues to be extended and exploited, the device cannot well extend the drill rod, the subsequent drill rod does not reach the petroleum exploitation area, and the device cannot be implemented in good subsequent work;

in order to solve the problems, the application provides a drilling device for petroleum drilling with good stability.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a drilling device for petroleum drilling with good stability, which has the characteristics of ensuring that a drill rod is disassembled after being drilled to a limit position, and the drill rod at the middle end is additionally arranged, so that the extension of a subsequent drill rod can be ensured.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the drilling device for the petroleum drilling with good stability comprises a well tower and a tube changing assembly arranged in the well tower;

the pipe changing assembly comprises two groups of clamping blocks arranged in the well tower, a force application hydraulic rod arranged in the well tower and a pipe unloading wheel arranged below the clamping blocks.

As the drilling device with good stability is preferable, two groups of sliding rail seats are fixed in the well tower, the top of each sliding rail seat is connected with a moving plate in a sliding manner, two groups of arc-shaped sliding grooves are formed in the top of each moving plate, and screw rod seats are connected in the arc-shaped sliding grooves in a sliding manner.

As the oil drilling device with good stability, the inside of the screw rod seat is provided with the screw rod groove, the inside of the screw rod groove is rotationally connected with the bidirectional screw rod through the bearing, threads at two ends of the bidirectional screw rod are connected with the threaded sliding blocks in a threaded manner, two ends of the threaded sliding blocks are slidably connected with the inner wall of the screw rod groove, the clamping blocks are fixed on one side of the threaded sliding blocks, and one end of the bidirectional screw rod penetrates through the inside of the screw rod seat, extends to one side of the screw rod seat and is connected with the output end of the pipe clamping motor fixed on one side of the screw rod seat.

As the oil drilling device with good stability, the utility model is preferable, one end of the screw rod seat, which is far away from the pipe clamping motor, is fixedly provided with the lengthening arm, the surface of the lengthening arm is provided with the rotary groove, the output end of the force application hydraulic rod is hinged in the rotary groove through the hinge shaft A, one end of the force application hydraulic rod, which is far away from the lengthening arm, is hinged with the rotary block through the hinge shaft B, and the rotary block is fixed at the top of the movable plate.

As the oil drilling device with good stability, the surface of the movable plate is provided with the hydraulic groove, the inside of the hydraulic groove is fixedly provided with the pipe unloading hydraulic rod, the pipe unloading wheel is rotatably connected to one side of the output end of the pipe unloading hydraulic rod through the bearing, and the input end of the pipe unloading wheel is provided with the pipe unloading motor.

As the drilling device for the petroleum drill with good stability, the middle end of the bottom of the movable plate is preferably fixed with the ball screw, the screw bearing seat is fixed in the well tower, the ball screw is rotatably connected in the screw bearing seat, and the input end of the screw bearing seat is connected with the screw motor.

The drilling device for the petroleum drilling with good stability is preferable and further comprises a drilling assembly arranged in the well tower, wherein the drilling assembly comprises a motor sliding rail fixed in the well tower, a drilling motor connected with the inner wall of the motor sliding rail in a sliding manner and three groups of drill bits arranged below the motor sliding rail, and a pressing hook is fixed at the top of the drilling motor.

As the oil drilling device with good stability, the output end of the drilling motor is provided with the main rotary pipe, the bottom of the main rotary pipe is provided with the first thread groove, the internal thread of the first thread groove is connected with the lengthened pipe group, the bottom of the lengthened pipe group is provided with the second thread groove, and the internal thread of the second thread groove is connected with the drilling pipe.

As the oil drilling device with good stability, the bottom of the drilling pipe is preferably provided with the first bevel gear, the center of the bottom of the first bevel gear is fixedly provided with the mounting shaft, the bottom annular array of the mounting shaft is provided with three groups of obliquely arranged gear shafts, the drill bit is rotationally connected with the inner shaft of the gear shaft, and the top of the gear shaft is fixedly provided with the second bevel gear meshed with the first bevel gear.

Compared with the prior art, the utility model has the beneficial effects that:

through the pipe changing assembly that sets up, can guarantee that the drilling rod drills to extreme position after, the device can unload the power to the drilling rod middle-end, then dismantle the drilling rod of middle-end, then install additional to the drilling rod of middle-end, can guarantee the exhibition of follow-up work, through the drilling assembly that sets up, can guarantee the application of force to the hole in the drilling process of device.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a tube changing assembly according to the present utility model;

FIG. 3 is a schematic view of a portion of the tube changing assembly of the present utility model;

FIG. 4 is a schematic view of a portion of the tube changing assembly of the present utility model;

FIG. 5 is a diagram of a borehole in accordance with the present utility model a partial schematic structure of the assembly;

FIG. 6 is a schematic view of a portion of a drilling assembly according to the present utility model;

in the figure:

1. a well tower;

2. a tube changing assembly; 21. clamping blocks; 22. a force-applying hydraulic rod; 23. a tube unloading wheel; 24. a slide rail seat; 25. a moving plate; 26. a screw rod seat; 27. a two-way screw rod; 28. a thread slider; 29. a tube clamping motor; 201. an extension arm; 202. a rotating block; 203. a tube unloading hydraulic rod; 204. a tube unloading motor; 205. a ball screw; 206. a lead screw bearing seat; 207. a lead screw motor;

3. a drilling assembly; 31. a motor slide rail; 32. a drilling motor; 33. a drill bit; 34. pressing down the hook; 35. a main rotating pipe; 36. lengthening the tube group; 37. drilling a hole pipe; 38. a first conical arc tooth; 39. a mounting shaft; 301. a gear shaft; 302. and a second conical arc tooth.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1;

a drilling device for petroleum drilling with good stability comprises a well tower 1.

In this embodiment: through investigation publication (bulletin) number: CN214944025U discloses a drilling positioning device and drilling equipment for oil exploitation, and the details refer to the following disclosure technology; in order to solve the technical problem in the prior art, as disclosed in the background art above, although the design can ensure that the drill rod and the drill bit cannot deviate in the drilling process, the drilling quality and the drilling precision of oil exploitation are improved, in the actual use process, when the drill bit drills to the limit position, if the exploitation position does not reach the oil exploitation area at this time, the drill rod needs to be prolonged, so that the drill rod continues to be extended and exploited, the device cannot extend the drill rod well, the subsequent drill rod does not reach the oil exploitation area, the device cannot perform good subsequent work, and the problem is obviously the problems that the actual existence and the difficulty are relatively high in combination with the actual use, and in order to solve the technical problem, the pipe changing assembly 2 and the drilling assembly 3 are added on the basis.

As shown in fig. 1, 2 and 3;

in combination with the above, in order to facilitate subsequent pipe replacement, the pipe replacement device further comprises a pipe replacement assembly 2 arranged inside the well tower 1; the tube changing assembly 2 comprises two groups of clamping blocks 21 arranged inside the well tower 1, a force application hydraulic rod 22 arranged inside the well tower 1 and a tube unloading wheel 23 arranged below the clamping blocks 21.

In this embodiment: the clamping block 21 is used for clamping the extension pipe group 36, the force application hydraulic rod 22 is used for unloading the extension pipe group 36, and after the extension pipe group 36 is unloaded, the pipe unloading wheel 23 is used for disassembling or assembling the extension pipe group 36.

In an alternative embodiment, two sets of slide rail seats 24 are fixed inside the well tower 1, the top of the slide rail seat 24 is slidably connected with a moving plate 25, two sets of arc-shaped sliding grooves are formed in the top of the moving plate 25, and a screw rod seat 26 is slidably connected inside the arc-shaped sliding grooves.

In this embodiment: the force-applying hydraulic rod 22 drives the screw rod seat 26 to rotate on the track of the arc chute at the top of the moving plate 25 through the lengthening arm 201, the extension tube set 36 is de-energized or the extension tube set 36 is energized.

In an alternative embodiment, a screw groove is formed in the screw seat 26, a bidirectional screw 27 is rotatably connected to the screw groove through a bearing, threads at both ends of the bidirectional screw 27 are connected with a thread slider 28 in a threaded manner, the thread slider 28 and the screw seat 26 are slidably connected through the screw groove, the clamping block 21 is fixed on one side of the thread slider 28, and one end of the bidirectional screw 27 penetrates through the interior of the screw seat 26 and extends to one side of the screw seat 26 and is connected with an output end of a clamping motor 29 fixed on one side of the screw seat 26.

In this embodiment: the clamping motor 29 drives the bidirectional screw rod 27 to rotate, and the threaded slider 28 in threaded connection with the bidirectional screw rod 27 slides in the screw rod seat 26 until the clamping block 21 clamps the lengthening tube set 36.

In an alternative embodiment, an end of the screw rod seat 26 away from the tube clamping motor 29 is fixed with an extension arm 201, a rotating groove is formed on the surface of the extension arm 201, an output end of the force application hydraulic rod 22 is hinged in the rotating groove through a hinge shaft a, an end of the force application hydraulic rod 22 away from the extension arm 201 is hinged with a rotating block 202 through a hinge shaft B, and the rotating block 202 is fixed on the top of the moving plate 25.

In this embodiment: the force-applying hydraulic rod 22 drives the screw rod seat 26 to rotate on the track of the arc-shaped chute at the top of the movable plate 25 through the lengthening arm 201, and the force is removed from the lengthening tube set 36.

In an alternative embodiment, the surface of the moving plate 25 is provided with a hydraulic groove, a tube unloading hydraulic rod 203 is fixed in the hydraulic groove, a tube unloading wheel 23 is rotatably connected to one side of the output end of the tube unloading hydraulic rod 203 through a bearing, and a tube unloading motor 204 is mounted at the input end of the tube unloading wheel 23.

In this embodiment: the tube-unloading hydraulic lever 203 is driven to push the tube-unloading wheel 23 against the extension tube group 36, and the extension tube group 36 is unloaded by driving the tube-unloading motor 204 while the upper lifting device (not shown) is biased.

In an alternative embodiment, the middle end of the bottom of the moving plate 25 is fixed with a ball screw 205, the inside of the derrick 1 is fixed with a screw bearing block 206, the ball screw 205 is rotatably connected inside the screw bearing block 206, and the input end of the screw bearing block 206 is connected with a screw motor 207.

In this embodiment: the screw motor 207 moves the ball screw 205 to move the moving plate 25 toward the extension tube group 36 or away from the extension tube group 36, and to attach or detach the extension tube group 36 to or from the extension tube group 36.

As shown in fig. 1, 5 and 6;

in combination with the above, in order to drill the ground, the drilling device further comprises a drilling assembly 3 arranged inside the well tower 1, wherein the drilling assembly 3 comprises a motor sliding rail 31 fixed inside the well tower 1, a drilling motor 32 connected with the inner wall of the motor sliding rail 31 in a sliding manner, and three groups of drill bits 33 arranged below the motor sliding rail 31, and a pressing hook 34 is fixed at the top of the drilling motor 32.

In this embodiment: lifting devices (not shown in the drawings) are arranged above the pressing hooks 34, the drilling motor 32 is slidably arranged in the motor sliding rail 31, when the drilling motor 32 is in more descending strokes, the drilling pressing force is larger, the drilling force is larger, the descending strokes are smaller, and the drilling force is smaller.

In an alternative embodiment, the output end of the drilling motor 32 is provided with a main rotary pipe 35, the bottom of the main rotary pipe 35 is provided with a first thread groove, the internal thread of the first thread groove is connected with an extension pipe group 36, the bottom of the extension pipe group 36 is provided with a second thread groove, and the internal thread of the second thread groove is connected with a drilling pipe 37.

In this embodiment: the rotation direction of the drilling motor 32 is opposite to the thread installation direction of the first thread groove and the second thread groove, the drilling motor 32 drives the main rotary pipe 35 to rotate, and the main rotary pipe 35 drives the lengthened pipe group 36 to rotate, so that the drilling pipe 37 is driven to rotate.

In an alternative embodiment, the bottom of the drill pipe 37 is fixed with a first conical arc tooth 38, the center of the bottom of the first conical arc tooth 38 is fixed with a mounting shaft 39, the bottom of the mounting shaft 39 is annularly provided with three groups of obliquely arranged gear shafts 301, the drill bit 33 is rotationally connected with the inner shaft of the gear shaft 301, and the top of the gear shaft 301 is fixed with a second conical arc tooth 302 meshed with the first conical arc tooth 38.

In this embodiment: when the drill pipe 37 rotates, the first bevel gear 38 fixed at the bottom of the drill pipe 37 rotates, and the drill bit 33 rotates on the track of the gear shaft 301 through the second bevel gear 302 meshed with the first bevel gear 38, so that earth boring in the hole is realized.

The working principle and the using flow of the utility model are as follows: when drilling is needed, the main rotary pipe 35 is driven by the drilling motor 32, the main rotary pipe 35 drives the lengthened pipe group 36 to rotate, so that the drilling pipe 37 is driven to rotate, when the drilling pipe 37 rotates, the first conical arc teeth 38 fixed at the bottom of the drilling pipe 37 rotate, the drill bit 33 rotates on the track of the gear shaft 301 through the second conical arc teeth 302 meshed with the first conical arc teeth 38, the ground in the hole is drilled, while the drill bit 33 drills, a lifting device (not shown in the figure) is arranged above the pressing hook 34, the drilling motor 32 is slidably arranged in the motor sliding rail 31, when the drilling motor 32 has more descending strokes, the drilling force is larger, the descending stroke is smaller, the drilling force is smaller, when the drilling pipe group 37 reaches the stroke, the lengthening pipe 36 needs to be increased, the ball screw 205 of the screw bearing seat 206 is driven by the screw motor 207 to drive the moving plate 25 to move the two groups of clamping blocks 21 above the moving plate 25 to the two sides of the lengthened pipe group 36, the clamping motor 29 is driven by the driving clamping motor 29 to drive the bidirectional screw 27 to rotate, the threaded sliding block 28 in threaded connection with the bidirectional screw 27 slides in the screw seat 26 until the clamping block 21 clamps the lengthened pipe group 36, the force applying hydraulic rod 22 is driven at the moment, the force applying hydraulic rod 22 drives the screw seat 26 to rotate along the track of the arc chute at the top of the moving plate 25 by the lengthening arm 201, the clamping block 21 returns to the original position by the clamping motor 29 after the force is released from the lengthened pipe group 36, then the pipe unloading hydraulic rod 203 is driven to enable the pipe unloading wheel 23 to prop against the lengthened pipe group 36, the pipe unloading motor 204 is driven, meanwhile, the upper lifting device (not shown in the figure) applies force after the lengthened pipe group 36 is unloaded, the upper main rotating pipe 35 is lifted, at this time, a group of extension pipe groups 36 can be newly arranged above the extension pipe groups 36, the extension pipe groups 36 to be additionally arranged are placed between the two groups of clamping blocks 21 above, and the extension pipe groups 36 are arranged according to the steps.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. Good drilling equipment is adopted in oil drilling of stability, including well tower (1), its characterized in that: the well tower also comprises a tube changing assembly (2) arranged inside the well tower (1);

the pipe changing assembly (2) comprises two groups of clamping blocks (21) arranged in the well tower (1), a force application hydraulic rod (22) arranged in the well tower (1) and a pipe unloading wheel (23) arranged below the clamping blocks (21).

2. The well-stabilized drilling apparatus for petroleum drilling according to claim 1, wherein: two groups of sliding rail seats (24) are fixed in the well tower (1), a moving plate (25) is slidably connected to the top of the sliding rail seats (24), two groups of arc-shaped sliding grooves are formed in the top of the moving plate (25), and a screw rod seat (26) is slidably connected to the inner part of each arc-shaped sliding groove.

3. The well-stabilized drilling device for petroleum drilling according to claim 2, wherein: the inside of lead screw seat (26) has seted up the lead screw groove, and the inside in this lead screw groove is connected with two-way lead screw (27) through the bearing rotation, the equal threaded connection of both ends screw thread of two-way lead screw (27) has screw slider (28), screw slider (28) with lead screw seat (26) are through this lead screw groove sliding connection, clamp splice (21) are fixed in one side of screw slider (28), the one end of two-way lead screw (27) runs through the inside of lead screw seat (26) and extends to one side of lead screw seat (26) is connected with clamp pipe motor (29) output of fixing in lead screw seat (26) one side.

4. The well-stabilized drilling device for petroleum drilling according to claim 3, wherein: the screw rod seat (26) is kept away from the one end of clamp pipe motor (29) is fixed with extension arm (201), rotatory groove has been seted up on the surface of extension arm (201), the output of application of force hydraulic stem (22) articulates in the inside of rotatory groove through articulated shaft A, the one end that extension arm (201) was kept away from to application of force hydraulic stem (22) articulates through articulated shaft B has rotatory piece (202), rotatory piece (202) are fixed the top of movable plate (25).

5. The well-stabilized drilling device for petroleum drilling according to claim 2, wherein: the surface of the movable plate (25) is provided with a hydraulic groove, a tube unloading hydraulic rod (203) is fixed in the hydraulic groove, the tube unloading wheel (23) is rotatably connected to one side of the output end of the tube unloading hydraulic rod (203) through a bearing, and a tube unloading motor (204) is installed at the input end of the tube unloading wheel (23).

6. The well-stabilized drilling device for petroleum drilling according to claim 2, wherein: the middle end of the bottom of the moving plate (25) is fixedly provided with a ball screw (205), the inside of the well tower (1) is fixedly provided with a screw bearing seat (206), the ball screw (205) is rotationally connected to the inside of the screw bearing seat (206), and the input end of the screw bearing seat (206) is connected with a screw motor (207).

7. The well-stabilized drilling apparatus for petroleum drilling according to claim 1, wherein: still including setting up drilling subassembly (3) inside well tower (1), drilling subassembly (3) are including fixing inside motor slide rail (31) of well tower (1) and sliding connection drilling motor (32) of motor slide rail (31) inner wall and setting are in three drill bits (33) of motor slide rail (31) below, the top of drilling motor (32) is fixed with pushes down colludes (34).

8. The well-stabilized drilling apparatus for petroleum drilling of claim 7, wherein: the output end of the drilling motor (32) is provided with a main rotating pipe (35), the bottom of the main rotating pipe (35) is provided with a first thread groove, an inner thread of the first thread groove is connected with an extension pipe group (36), the bottom of the extension pipe group (36) is provided with a second thread groove, and the inner thread of the second thread groove is connected with a drilling pipe (37).

9. The well-stabilized drilling apparatus for petroleum drilling of claim 8, wherein: the bottom of drill pipe (37) is fixed with first awl arc tooth (38), the center of first awl arc tooth (38) bottom is fixed with installation axle (39), the bottom annular array of installation axle (39) has gear shaft (301) of three group slope settings, drill bit (33) rotate and connect the interior axle of gear shaft (301), the top of gear shaft (301) be fixed with second awl arc tooth (302) of first awl arc tooth (38) meshing.