Tubing head drilling equipment

Abstract

The utility model discloses tubing head drilling equipment which comprises a machine box, a wall plate connected to the rear side of the machine box, a top plate connected to the wall plate, a hydraulic cylinder arranged on the top plate, a driving box connected to the lower end of the hydraulic cylinder, a rotating shaft rotationally connected to the center of the bottom face of the driving box, and a driving mechanism arranged in the driving box and used for controlling the rotating shaft to rotate. The lower end of the rotating shaft is connected with a mounting disc, the bottom face of the mounting disc is connected with a drilling mechanism through a position adjusting mechanism, and the distance between the drilling mechanism and the circle center of the mounting disc can be adjusted through the position adjusting mechanism. Positioning mechanisms are arranged on the two sides of the machine box, and the circle center of the installation disc is located over the position between the two positioning mechanisms. When the tubing head is drilled, only the installation disc needs to be controlled to rotate, the tubing head does not need to be rotated, energy consumption is reduced, and efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pipe head processing, in particular to an oil pipe head drilling device. Background Art

[0002] The wellhead device for oil and gas well exploitation is an important equipment for controlling the pressure and direction of gas and liquid fluids. It is mainly composed of various components installed at the wellhead of the oil and gas well, such as the tubing head, upper flange, blowout preventer, gas tree (or oil tree), valve, etc.

[0003] like Figure 3 The figure shows a schematic diagram of a tubing head 21, which includes a main body 22, with branch pipes 23 connected to both sides of the main body 22, and flange holes 24 are provided on the upper and lower end faces of the main body 22. Before installing the branch pipes, the upper and lower end faces of the main body need to be drilled to produce flange holes. However, when drilling holes with the current drilling device, either the drilling rig is manually operated to drill flange holes one by one along the end face of the tubing body, but it cannot be guaranteed that the flange holes are on the same circumference, and the diameters of the tubing bodies are different, and the position of the drilling rig cannot be adjusted according to the diameter, so that tubing heads of different diameters cannot be adapted; or the tubing head is driven to rotate to drill circumferential flange holes on the tubing head, but the tubing head is heavy, and driving it to rotate will consume more energy, increasing energy consumption. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a tubing head drilling device to solve the problems mentioned in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A tubing head drilling device comprises a chassis, a wall panel is connected to the rear side of the chassis, a top panel is connected to the wall panel, a hydraulic cylinder is arranged on the top panel, a driving box is connected to the lower end of the hydraulic cylinder, a rotating shaft is connected to the center rotation of the bottom surface of the driving box, a driving mechanism for controlling the rotation of the rotating shaft is arranged in the driving box, a mounting plate is connected to the lower end of the rotating shaft, a drilling mechanism is connected to the bottom surface of the mounting plate through a position adjustment mechanism, and the distance between the drilling mechanism and the center of the mounting plate can be adjusted through the position adjustment mechanism; positioning mechanisms are arranged on both sides of the chassis, and the center of the mounting plate is located directly above between the two positioning mechanisms.

[0007] Preferably, the driving mechanism includes a first motor disposed in a driving box, a transmission shaft connected to the first motor via a coupling, a main gear connected to the transmission shaft, and a sub-gear connected to the rotating shaft, and the main gear is meshed with the sub-gear.

[0008] Preferably, the position adjustment mechanism includes bearing seats connected to both ends of the diameter of the mounting plate, a screw rod rotatably connected to the two bearing seats, a slide seat threadedly connected to the screw rod, a first guide rod connected to the two bearing seats and located on both sides of the screw rod, and a second motor connected to one of the bearing seats, the second motor is transmission-connected to one end of the screw rod, and the slide seat is slidably connected to the first guide rod.

[0009] Preferably, the drilling mechanism comprises a drilling rig mounted on the bottom surface of the slide seat, and a drill rod is mounted on the drilling rig.

[0010] Preferably, the positioning mechanism includes a cylinder mounted on the chassis and a pressure plate connected to the telescopic end of the cylinder, and the two pressure plates are arranged opposite to each other.

[0011] Preferably, a second guide rod is connected to the top of the drive box, and the second guide rod is slidably connected to the top plate.

[0012] Preferably, a controller is provided in the chassis, an operating table is provided on one side of the chassis, an operating panel is provided on the operating table, and the hydraulic cylinder, the first motor, the second motor, the drilling rig, the cylinder, and the operating panel are all electrically connected to the controller.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] When drilling holes in the tubing head, you only need to control the rotation of the mounting plate to drive the drilling mechanism to rotate. There is no need to manually rotate the drilling mechanism, and you can drill holes arranged in a circle on the tubing head. The position of the drilling mechanism can be adjusted according to the diameter of the tubing head to improve adaptability. At the same time, there is no need to rotate the tubing head, which reduces energy consumption and improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the driving box and the position adjustment mechanism;

[0017] Figure 3 is a schematic diagram of the tubing head;

[0018] Figure 4 is a schematic diagram of a flange;

[0019] In the figure: 1-chassis, 2-hydraulic cylinder, 3-drive box, 4-rotating shaft, 5-mounting plate, 6-first motor, 7-main gear, 8-second gear, 9-bearing seat, 10-screw, 11-slide, 12-first guide rod, 13-second motor, 14-drilling rig, 15-drill rod, 16-cylinder, 17-pressing plate, 18-second guide rod, 19-operating table, 20-operating panel, 21-oil pipe head, 22-body, 23-branch pipe, 24-flange hole. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-2 A tubing head drilling device includes a chassis 1, a wall panel is connected to the rear side of the chassis 1, a top panel is connected to the wall panel, a hydraulic cylinder 2 is arranged on the top panel, a driving box 3 is connected to the lower end of the hydraulic cylinder 2, a rotating shaft 4 is connected to the center rotation of the bottom surface of the driving box 3, and a driving mechanism for controlling the rotation of the rotating shaft 4 is arranged in the driving box 3. Specifically, the driving mechanism includes a first motor 6 arranged in the driving box, a transmission shaft connected to the first motor through a coupling, a main gear 7 connected to the transmission shaft, and a sub-gear 8 connected to the rotating shaft, and the main gear 7 is meshed with the sub-gear 8. Start the first motor 6, and the rotating shaft 4 is driven to rotate through the cooperation of the main gear 7 and the sub-gear 8.

[0023] The lower end of the rotating shaft 4 is connected to a mounting plate 5, and the bottom surface of the mounting plate 5 is connected to a drilling mechanism through a position adjustment mechanism, and the distance between the drilling mechanism and the center of the mounting plate 5 can be adjusted through the position adjustment mechanism. Specifically, the position adjustment mechanism includes a bearing seat 9 connected to both ends of the mounting plate diameter, a screw rod 10 rotatably connected to the two bearing seats, a slide seat 11 threadedly connected to the screw rod, a first guide rod 12 connected to the two bearing seats and located on both sides of the screw rod, and a second motor 13 connected to one of the bearing seats, the second motor 13 is transmission-connected to one end of the screw rod 10, and the slide seat 11 is slidably connected to the first guide rod 12. The drilling mechanism includes a drill rig 14 installed on the bottom surface of the slide seat, and a drill rod 15 is installed on the drill rig 14. Start the second motor 13 to drive the screw rod 10 to rotate, and during the rotation of the screw rod 10, the slide seat 11 is driven to move on the first guide rod 12, thereby adjusting the position of the slide seat 11, thereby adjusting the distance between the drill rig 14 and the center of the mounting plate 5.

[0024] Positioning mechanisms are provided on both sides of the chassis 1, and the center of the mounting plate 5 is located directly above the two positioning mechanisms. Specifically, the positioning mechanism includes a cylinder 16 installed on the chassis and a pressure plate 17 connected to the telescopic end of the cylinder. The two pressure plates 17 are arranged opposite to each other. The oil pipe head is placed on the chassis 1, and the two cylinders 16 are controlled to extend at the same time, driving the two pressure plates 17 to move relative to each other, thereby clamping the oil pipe head to keep it stable.

[0025] The chassis 1 is provided with a controller, a console 19 is provided on one side of the chassis 1, an operation panel 20 is provided on the console 19, and the hydraulic cylinder 2, the first motor 6, the second motor 13, the drilling machine 14, the cylinder 16, and the operation panel 20 are all electrically connected to the controller. A control program is written in the controller to control the orderly operation of each component.

[0026] The working principle of this embodiment is:

[0027] The main body 22 of the tubing head is fixed by the positioning mechanism so that the main body 22 is located directly below the mounting plate 5. The position of the drill 14 is adjusted by the position adjustment mechanism according to the diameter of the main body, thereby adjusting the distance from the drill 14 to the center of the mounting plate 5 to adapt to tubing heads of different diameters; then the hydraulic cylinder 2 extends to drive the drive box 3 to descend, and the drill rig is used to drill a hole. After a hole is drilled, the mounting plate 5 is controlled to rotate by the drive mechanism, so that the drill rig 14 moves along the circumference to drill holes on the main body one by one. After the drilling of one end of the main body is completed, the main body is turned over and the other end face is drilled.

[0028] Example 2

[0029] On the basis of embodiment 1, the top of the driving box is connected with a second guide rod 18, and the second guide rod 18 is slidably connected with the top plate. By providing the second guide rod 18, the stability of the lifting of the driving box is increased.

[0030] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tubing head drilling device, characterized in that: The invention comprises a chassis (1), the rear side of the chassis (1) is connected to a wall panel, the wall panel is connected to a top panel, a hydraulic cylinder (2) is arranged on the top panel, the lower end of the hydraulic cylinder (2) is connected to a driving box (3), the center of the bottom surface of the driving box (3) is rotatably connected to a rotating shaft (4), a driving mechanism for controlling the rotation of the rotating shaft (4) is arranged in the driving box (3), the lower end of the rotating shaft (4) is connected to a mounting plate (5), the bottom surface of the mounting plate (5) is connected to a drilling mechanism via a position adjustment mechanism, and the distance between the drilling mechanism and the center of the mounting plate (5) can be adjusted via the position adjustment mechanism; positioning mechanisms are arranged on both sides of the chassis (1), and the center of the mounting plate (5) is located directly above between the two positioning mechanisms.

2. The tubing head drilling device according to claim 1, characterized in that: The driving mechanism comprises a first motor (6) arranged in a driving box, a transmission shaft connected to the first motor through a coupling, a main gear (7) connected to the transmission shaft, and a sub-gear (8) connected to the rotating shaft, wherein the main gear (7) is meshed with the sub-gear (8).

3. The tubing head drilling device according to claim 2, characterized in that: The position adjustment mechanism comprises a bearing seat (9) connected to both ends of the diameter of the mounting plate, a screw rod (10) rotatably connected to the two bearing seats, a slide seat (11) threadedly connected to the screw rod, a first guide rod (12) connected to the two bearing seats and located on both sides of the screw rod, and a second motor (13) connected to one of the bearing seats, the second motor (13) is transmission-connected to one end of the screw rod (10), and the slide seat (11) is slidably connected to the first guide rod (12).

4. The tubing head drilling device according to claim 3, characterized in that: The drilling mechanism comprises a drilling machine (14) installed on the bottom surface of the slide seat, and a drilling rod (15) is installed on the drilling machine (14).

5. The tubing head drilling device according to claim 4, characterized in that: The positioning mechanism comprises a cylinder (16) mounted on the chassis and a pressing plate (17) connected to the telescopic end of the cylinder, and the two pressing plates (17) are arranged opposite to each other.

6. The tubing head drilling device according to claim 5, characterized in that: The top of the driving box is connected with a second guide rod (18), and the second guide rod (18) is slidably connected with the top plate.

7. A tubing head drilling device according to any one of claims 5-6, characterized in that: A controller is provided in the chassis (1), an operating table (19) is provided on one side of the chassis (1), an operating panel (20) is provided on the operating table (19), and the hydraulic cylinder (2), the first motor (6), the second motor (13), the drilling machine (14), the cylinder (16), and the operating panel (20) are all electrically connected to the controller.

Images