A top drive guide rail for oil and gas drilling

Abstract

The utility model relates to the technical field of petroleum and natural gas drilling equipment, concretely relates to a top drive guide rail for petroleum and natural gas drilling, including guide rail main part, rack and protection lubricating device, protection lubricating device installs on guide rail main part, rack dismounts and installs in guide rail main part, still include connecting device, and connecting device includes connecting clamping block, connecting clamping groove, connecting frame strip, connecting seat and installation assembly, connecting clamping block fixed mounting is at one end of rack, and connecting clamping groove sets up at one end of rack away from connecting clamping block, and connecting clamping block embeds in connecting clamping groove, and connecting frame strip fixed mounting is on guide rail main part, and connecting seat fixed mounting is on connecting frame strip, and guide rail main part and rack all adopt sectional modular design, and the manufacturing, transportation and installation difficulty have been greatly reduced, and through the clamping of connecting clamping block and connecting clamping groove, the precision after the splicing of multistage rack is guaranteed, and the installation problem of integral rack is solved.

Description

Technical Field

[0001] This utility model relates to the field of oil and gas drilling equipment technology, and in particular to a top drive guide rail for oil and gas drilling. Background Technology

[0002] The top drive unit is the core equipment of modern oil drilling rigs, replacing the traditional rotary table and angular drill pipe, significantly improving the efficiency and safety of drilling operations. The top drive needs to move vertically along guide rails within the derrick to perform drilling, tripping, and other operations. Currently, most common top drive guide rails are roller-type rails, which rely on the wire ropes of the drilling rig's traveling block system for lifting; the rails themselves only serve a guiding function. This method has disadvantages such as limited load-bearing capacity, slightly poorer operational stability, and lower positioning accuracy. Another solution is the rack and pinion guide rail, which integrates the drive rack onto the guide rail and is directly driven by the drive motor on the top drive. This offers advantages such as strong driving capability, precise positioning, and smooth operation.

[0003] However, existing rack and pinion guides have the following problems: the integral rack is difficult to manufacture, transport and install, especially for the height required for ultra-deep wells, and the accumulated installation error and thermal deformation error are difficult to control. Utility Model Content

[0004] The purpose of this invention is to provide a top drive guide rail for oil and gas drilling, which solves the problems of difficult manufacturing, transportation and installation of integral racks in conventional gear and rack top drive guide rails, especially for the height required for ultra-deep wells, where the accumulated installation error and thermal deformation error are difficult to control.

[0005] To achieve the above objectives, this utility model provides a top drive guide rail for oil and gas drilling, comprising a guide rail body, a rack, and a protective lubrication device. The protective lubrication device is installed on the guide rail body, and the rack is detachably installed inside the guide rail body. It also includes a connecting device, which comprises a connecting block, a connecting groove, a connecting frame, a connecting seat, and an installation assembly. The connecting block is fixedly installed at one end of the rack, the connecting groove is located at the end of the rack away from the connecting block, and the connecting block is embedded in the connecting groove. The connecting frame is fixedly installed on the guide rail body, and the connecting seat is fixedly installed on the connecting frame.

[0006] The mounting components include a mounting frame and a mounting base, wherein the mounting frame is fixedly mounted on the guide rail body, and the mounting base is fixedly mounted on the mounting frame.

[0007] The guide rail body is also provided with reinforcing ribs, which are fixedly installed inside the guide rail body.

[0008] The protective lubrication device includes an L-shaped protective cover and an automatic lubrication component. The L-shaped protective cover is fixedly installed on the outside of the guide rail body; the automatic lubrication component is installed on the guide rail body.

[0009] The automatic lubrication assembly includes an oil tank, an oil pump, and an oil guide pipe. The oil tank is fixedly installed on the outside of the guide rail body. The input end of the oil pump is connected to the oil tank. One end of the oil guide pipe is connected to the output end of the oil pump, and the other end of the oil guide pipe passes through the guide rail body and is close to the rack.

[0010] This utility model discloses a top drive guide rail for oil and gas drilling. During assembly, multiple sections of the guide rail body are connected by the connecting frame and the connecting seat, and the connecting frame is locked with bolts. Then, the rack is fixed to the inner side of the guide rail body with bolts. At the same time, the connecting block on one rack is engaged with the connecting slot on another rack, so that the multiple rack sections are connected and fixed. Finally, the guide rail is fixed to the external derrick by the mounting frame and the mounting seat. By adopting a segmented modular design for both the guide rail body and the rack, the manufacturing, transportation and installation difficulties are greatly reduced. The engagement of the connecting block and the connecting slot ensures the accuracy of the spliced ​​multiple rack sections, and solves the installation problem of integral racks. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0012] Figure 1 This is a schematic diagram of the overall structure of a top drive guide rail for oil and gas drilling according to this utility model.

[0013] Figure 2 This is a schematic diagram showing the connection between the guide rail body and the rack of this utility model.

[0014] Figure 3 This is a schematic diagram of the connection between the rack and the connecting block of this utility model.

[0015] Figure 4 This is a schematic diagram of the connecting slot of this utility model.

[0016] In the diagram: 101-Guide rail body, 102-Rack, 103-Connecting block, 104-Connecting slot, 105-Connecting frame, 106-Connecting seat, 107-Mounting frame, 108-Mounting seat, 109-Reinforcing rib, 110-L-shaped protective cover, 111-Oil tank, 112-Oil pump, 113-Oil guide pipe. Detailed Implementation

[0017] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0018] The embodiment of this application is as follows: Please see Figure 1-4 , Figure 1 This is a schematic diagram of the overall structure of a top drive guide rail for oil and gas drilling according to this utility model. Figure 2 This is a schematic diagram showing the connection between the guide rail body and the rack of this utility model. Figure 3 This is a schematic diagram showing the connection between the rack and the connecting block of this utility model. Figure 4 This is a schematic diagram of the connecting slot of this utility model.

[0019] This utility model provides a top drive guide rail for oil and gas drilling: it includes a guide rail body 101, a rack 102, and a protective lubrication device, as well as a connecting device. The mounting assembly includes a mounting frame 107 and a mounting base 108. The guide rail body 101 is also provided with reinforcing ribs 109. The protective lubrication device includes an L-shaped protective cover 110 and an automatic lubrication assembly. The automatic lubrication assembly includes an oil tank 111, an oil pump 112, and an oil guide pipe 113. The aforementioned solution solves the problem of difficulty in manufacturing, transporting, and installing the integral rack in the assembly process of conventional rack and pinion top drive guide rails, especially for the height required for ultra-deep wells, where the accumulated installation error and thermal deformation error are difficult to control.

[0020] In this embodiment, the cooperation between the connecting frame 105 and the connecting seat 106 facilitates the connection of multiple sections of the guide rail body 101. The engagement of the connecting block 103 and the connecting slot 104 facilitates the connection of multiple sections of the rack 102, ensuring the accuracy of the spliced ​​multiple sections of the rack 102 and solving the installation problem of the integral rack 102.

[0021] The connecting block 103 is fixedly installed at one end of the rack 102, the connecting groove 104 is located at the end of the rack 102 away from the connecting block 103, the connecting frame 105 is fixedly installed on the guide rail body 101, and the connecting seat 106 is fixedly installed on the connecting frame 105. The connecting block 103 has a trapezoidal structure, the connecting groove 104 and the connecting block 103 are structurally compatible, and the connecting frame 105 has a U-shaped structure. The seat 106 is welded to the connecting frame 105. The installation assembly facilitates the fixing of the guide rail body 101 to the external derrick. The cooperation between the connecting frame 105 and the connecting seat 106 facilitates the connection of multiple sections of the guide rail body 101. The engagement of the connecting block 103 and the connecting slot 104 facilitates the connection of multiple sections of the rack 102, ensuring the accuracy of the spliced ​​rack 102 and solving the installation problem of the integral rack 102.

[0022] Secondly, the mounting frame 107 is fixedly mounted on the guide rail body 101; the mounting base 108 is fixedly mounted on the mounting frame 107, the mounting frame strip is welded to the end of the guide rail body 101, and the mounting base 108 is provided with threaded holes. Through the cooperation of the mounting frame strip and the mounting base 108, it is convenient to connect multiple sections of the guide rail body 101 and lock them with bolts.

[0023] Furthermore, the reinforcing rib 109 is fixedly installed inside the guide rail body 101. The reinforcing rib 109 is obliquely welded inside the guide rail body 101. By setting the reinforcing rib 109, the vibration and deformation during the operation of the top drive can be effectively suppressed, ensuring smooth transmission of the top drive.

[0024] Furthermore, the L-shaped protective cover 110 is fixedly installed on the outside of the guide rail body 101; the automatic lubrication component is installed on the guide rail body 101, and the L-shaped protective cover 110 is welded to the guide rail body 101. By setting the L-shaped protective cover 110, external debris can be prevented from entering the guide rail body 101 to a certain extent, and the automatic lubrication component can periodically lubricate the rack 102.

[0025] Finally, the oil tank 111 is fixedly installed on the outside of the guide rail body 101; the input end of the oil pump 112 is connected to the oil tank 111; one end of the oil guide pipe 113 is connected to the output end of the oil pump 112, and the other end of the oil guide pipe 113 passes through the guide rail body 101 and is close to the rack 102. The oil tank 111 is fixed on the outside of the topmost guide rail body 101, and the oil pump 112 is fixed on the guide rail body 101 by screws. The oil pump 112 guides the lubricating oil in the oil tank 111 into the oil guide pipe 113, and guides the lubricating oil to the rack 102 through the oil guide pipe 113, so that the rack 102 can be lubricated regularly.

[0026] In this embodiment, during assembly, multiple sections of the guide rail body 101 are connected by the connecting frame 105 and the connecting seat 106, and the connecting frame 105 is locked with bolts. Then, the rack 102 is fixed to the inner side of the guide rail body 101 with bolts. At the same time, the connecting block 103 on one rack 102 is inserted into the connecting slot 104 on another rack 102, so that the multiple rack sections 102 are connected and fixed. Finally, the guide rail is fixed to the external derrick by the mounting frame 107 and the mounting seat 108. By adopting a segmented modular design for both the guide rail body 101 and the rack 102, the manufacturing, transportation and installation difficulties are greatly reduced. The engagement of the connecting block 103 and the connecting slot 104 ensures the accuracy of the spliced ​​multiple rack sections 102, and solves the installation problem of the integral rack 102.

[0027] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A top drive guide rail for oil and gas drilling, comprising a guide rail body, a rack, and a protective lubrication device, wherein the protective lubrication device is mounted on the guide rail body, and the rack is detachably mounted within the guide rail body, characterized in that, It also includes a connecting device; The connecting device includes a connecting block, a connecting slot, a connecting frame, a connecting seat, and a mounting assembly. The connecting block is fixedly installed at one end of the rack, the connecting slot is located at the end of the rack away from the connecting block, the connecting block is embedded in the connecting slot, the connecting frame is fixedly installed on the guide rail body, and the connecting seat is fixedly installed on the connecting frame.

2. The top drive guide rail for oil and gas drilling as described in claim 1, characterized in that, The mounting assembly includes a mounting frame and a mounting base. The mounting frame is fixedly mounted on the guide rail body, and the mounting base is fixedly mounted on the mounting frame.

3. The top drive guide rail for oil and gas drilling as described in claim 1, characterized in that, The guide rail body is also provided with reinforcing ribs, which are fixedly installed inside the guide rail body.

4. The top drive guide rail for oil and gas drilling as described in claim 1, characterized in that, The protective lubrication device includes an L-shaped protective cover and an automatic lubrication assembly. The L-shaped protective cover is fixedly installed on the outside of the guide rail body; the automatic lubrication assembly is installed on the guide rail body.

5. The top drive guide rail for oil and gas drilling as described in claim 4, characterized in that, The automatic lubrication assembly includes an oil tank, an oil pump, and an oil guide pipe. The oil tank is fixedly installed on the outside of the guide rail body. The input end of the oil pump is connected to the oil tank. One end of the oil guide pipe is connected to the output end of the oil pump, and the other end of the oil guide pipe passes through the guide rail body and is close to the rack.

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