Well drilling and cementing centralizing device

Abstract

The utility model discloses a well drilling and cementing centralizing device which comprises a well drilling pipe and a centralizing device body, the centralizing device body is arranged, a plurality of sets of second fixing blocks are inserted into the inner sides of sliding grooves in an aligned mode, and fixing bolts of a plurality of sets of connecting plates are inserted into the inner sides of the fixing blocks and the inner sides of the second fixing blocks in an embedded mode. The fixing mechanism is arranged, the mounting base and the inner side of the lower end of the fixing base are locked in a threaded mode, the fixing base is fixed to the outer side of the mounting base, and meanwhile the fixing effect of the fixing bolt is improved through the fixing nut, and meanwhile the fixing block is blocked through the fixing mechanism, so that the stability of the connecting plate is indirectly improved. And the fixing base has a blocking effect on the fixing block in the sliding groove, so that the stability of the fixing block is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling, in particular to a drilling and cementing righting device. Background Art

[0002] Centralizers are cementing tools. According to their styles, centralizers can be divided into two categories: elastic centralizers and rigid centralizers. Centralizers are simple to manufacture, beautiful in structure, strong and durable, and have strong centralizing force. They overcome the shortcomings of the original welded centralizers that are prone to desoldering. They are tools that can ensure the quality of drilling and cementing. The existing oil pipeline fixing devices are too complicated in structure, inconvenient for people to assemble and disassemble, and waste too much working time, bringing inconvenience to people's work, increasing people's work pressure, and also causing great trouble to the laying of oil pipelines.

[0003] For example, publication number CN202022231659.1 discloses "A device for straightening and fixing a petroleum drilling pipe". Through the coordinated use of a base plate, a positioning plate, a limit screw, a limit nut, a connecting plate, a lower fixing ring, a fixing nut, an upper fixing ring and a fixing screw, the purpose of facilitating assembly and disassembly of the petroleum drilling pipe straightening and fixing device is achieved, which solves the problem of the inconvenience of assembly and disassembly of general pipe fixing devices, reduces people's work pressure, brings convenience to people's work, saves the time spent on pipeline laying, and is worthy of promotion and use.

[0004] However, when the stabilizing device is attached to the outside of the drilling pipe, since both the stabilizing device and the drilling pipe are arranged inside, the pipeline will be deviated due to underground gravity. The support of the general stabilizing device is relatively single, and it is not convenient to increase or reduce the fixing effect of the drilling pipe by adjusting different support plates, which is not conducive to the use of the drilling pipe. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a drilling and cementing straightening device to solve the above-mentioned problems.

[0007] (II) Technical solution

[0008] The camming device is a device for activating a rotation of the linkage set, wherein the camming device is configured to move the linkage set to the outer side of the bottom end of the wellhead and the fixing device is configured to move the linkage set to the outer side of the wellhead.

[0009] Preferably, the fixing mechanism includes a mounting seat and a fixing seat, the upper end of the mounting seat is threadedly matched with the inner side of the lower end of the fixing seat, the mounting seat is installed in the middle of the top end of the straightening sleeve, the straightening sleeve is fixed to the outer middle part of the drilling pipe, and the mounting seat and the straightening sleeve are respectively fixed to the outer middle part of the drilling pipe.

[0010] Preferably, a plurality of groups of fixing blocks are arranged at the top of the straightening frame, and the plurality of groups of fixing blocks are evenly distributed along the outer side of the top of the straightening frame. The plurality of groups of fixing blocks are used to increase the number of connecting plates to enhance the support stability of the straightening sleeve.

[0011] Preferably, a plurality of slide grooves are arranged on the outer side of the upper end of the straightening pipe sleeve, and the plurality of slide grooves are arranged corresponding to the plurality of fixed blocks arranged on the top end of the straightening frame, and the corresponding arrangement of the slide grooves and the fixed blocks facilitates adjustment to increase or decrease the number of connecting plates for modification.

[0012] Preferably, a protrusion is provided at the rear end of the fixing block 2, and the protrusion is arranged corresponding to the inner side of the slide groove. Fixing bolts are provided on the right sides of the front and rear ends of the connecting plate. The front and rear ends of the connecting plate are respectively engaged and connected with the fixing block and the inner side of the fixing block 2 through the fixing bolts, so that the fixing bolts at the front and rear ends of the connecting plate respectively penetrate the inner side of the fixing block and the fixing block 2, and the locking effect of the fixing nuts increases the stability of the connecting plate.

[0013] Preferably, the cross-sectional size of the fixing mechanism is consistent with the size of the top end of the straightening sleeve, so that the fixing mechanism can block the second fixing block installed inside the slide groove.

[0014] Preferably, threads are provided on the outer upper side of the mounting seat and the inner lower side of the fixing seat, and the mounting seat and the fixing seat are thread-locked with each other through the threads.

[0015] Preferably, the connecting plate is made of alloy steel, which has excellent stability and wear resistance.

[0016] Preferably, the fixing bolt and the fixing nut are both made of stainless steel, which has excellent wear resistance and toughness.

[0017] (III) Beneficial effects

[0018] The utility model provides a drilling cementing straightening device. It has the following beneficial effects: by setting up the straightening device, multiple groups of fixing blocks are inserted into the inner side of the positioning slide groove, and multiple groups of fixing bolts of the connecting plates are respectively inserted into the inner side of the fixing block and the fixing block 2, and the locking effect of the fixing bolts is improved by the fixing nut, and the fixing mechanism has a blocking effect on the fixing block, thereby indirectly improving the stability of the connecting plate.

[0019] The utility model provides a drilling cementing straightening device, which has the following beneficial effects: by setting a fixing mechanism, the fixing seat is fixed to the outside of the fixing seat through the inner thread locking of the lower end of the fixing seat, and the fixing seat has a blocking effect on the fixing block in the slide slot, thereby increasing the stability of the fixing block. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the planar structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the righting device of the utility model;

[0023] Figure 4 This is a schematic diagram of the planar structure of the righting device of the utility model;

[0024] Figure 5 It is a schematic diagram of the planar structure of the fixing mechanism of the utility model.

[0025] In the figure: drilling pipe-1, straightening device-2, straightening frame-21, fixing block-22, straightening pipe sleeve-23, slide groove-24, fixing block 25, connecting plate-26, fixing bolt-27, fixing nut-28, fixing mechanism-29, mounting seat-291, fixing seat-292. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1 and 2 The utility model provides a technical solution for a drilling and cementing righting device: a drilling and cementing righting device, comprising a drilling pipe 1 and a righting device 2, wherein the righting device 2 is fixed to the outer side of the middle part of the drilling pipe 1.

[0028] See also Figure 3 and 4The utility model provides a technical solution for a drilling cementing righting device: a drilling cementing righting device, the righting device 2 includes a righting frame 21, a fixing block 22, a righting sleeve 23, a slide 24, a fixing block 25, a connecting plate 26, a fixing bolt 27, a fixing nut 28 and a fixing mechanism 29, the top of the righting frame 21 is provided with a fixing block 22, the righting frame 21 is fixed to the bottom outer side of the righting sleeve 23, a slide 24 is provided on the upper outer side of the righting sleeve 23, the rear end of the fixing block 25 is engaged with the inner side of the slide 24, and the right end of the rear end of the connecting plate 26 is provided with a fixing bolt 27, a fixing nut 28 and a fixing mechanism 29. The bolt 27 is provided, and the connecting plate 26 is connected with the middle part of the left end of the fixing block 25 by the fixing bolt 27. The right end of the fixing bolt 27 is threadedly matched with the inner side of the left end of the fixing nut 28. The fixing mechanism 29 is installed in the middle part of the top of the straightening sleeve 23. The straightening sleeve 23 and the fixing mechanism 29 are respectively fixed to the outer side of the middle part of the drilling pipe 1. The top of the straightening frame 21 is provided with a plurality of fixing blocks 22. The plurality of fixing blocks 22 are evenly distributed along the outer side of the top of the straightening frame 21. The plurality of fixing blocks 22 are used to increase the number of connecting plates 26 to enhance the support stability of the straightening sleeve 23. In order to achieve a certain effect, multiple groups of slide grooves 24 are arranged on the outer side of the upper end of the straightening pipe sleeve 23, and the multiple groups of slide grooves 24 are arranged corresponding to the multiple groups of fixed blocks 22 arranged on the top of the straightening frame 21, and the corresponding arrangement of the slide grooves 24 and the fixed blocks 22 facilitates the adjustment to increase or decrease the number of connecting plates 26 for modification. A protrusion is arranged at the rear end of the fixed block 25, and the protrusion is arranged corresponding to the inner side of the slide groove 24. The right sides of the front and rear ends of the connecting plate 26 are both provided with fixing bolts 27, and the front and rear ends of the connecting plate 26 are respectively engaged with the inner sides of the fixed block 22 and the fixed block 25 through the fixing bolts 27. The connection is made so that the fixing bolts 27 at the front and rear ends of the connecting plate 26 respectively penetrate the inner sides of the fixing block 22 and the fixing block 25, and the locking effect of the fixing nut 28 increases the stability of the connecting plate 26. The cross-sectional size of the fixing mechanism 29 corresponds to the top size of the straightening sleeve 23, so that the fixing mechanism 29 can block the fixing block 25 installed on the inner side of the slide groove 24. The connecting plate 26 is made of alloy steel and has excellent stability and wear resistance. The fixing bolts 27 and the fixing nuts 28 are both made of stainless steel and have excellent wear resistance and toughness.

[0029] See also Figure 5The utility model provides a technical solution for a drilling and cementing righting device: a drilling and cementing righting device, a fixing mechanism 29 includes a mounting seat 291 and a fixing seat 292, the upper end of the mounting seat 291 is threadedly matched with the inner side of the lower end of the fixing seat 292, the mounting seat 291 is installed in the middle of the top end of the righting sleeve 23, the righting sleeve 23 is fixed to the outer side of the middle part of the drilling pipe 1, the mounting seat 291 and the righting sleeve 23 are respectively fixed to the outer side of the middle part of the drilling pipe 1, the outer upper side of the mounting seat 291 and the inner lower side of the fixing seat 292 are both provided with threads, and the mounting seat 291 and the fixing seat 292 are threadedly locked and matched with each other through threads.

[0030] When in use, firstly, multiple groups of fixing blocks 25 are inserted into the inner side of the slide groove 24, and multiple groups of fixing bolts 27 of the connecting plates 26 are respectively inserted into the inner side of the fixing blocks 22 and the fixing blocks 25, and the locking effect of the fixing bolts 27 is improved by fixing nuts 28; then, the upper end of the mounting seat 291 is aligned with the inner side of the lower end of the fixing seat 292, and the fixing seat 292 is rotated at the same time, so that the fixing seat 292 is turned in and sleeved to the outer side of the mounting seat 291 to achieve the effect of thread locking, and at the same time, when the fixing seat 292 is fixed to the outer side of the mounting seat 291, the fixing seat 292 has a blocking effect on the fixing block 22 in the slide groove 24, thereby increasing the stability of the fixing block 22, and then indirectly improving the stability of the connecting plate 26;

[0031] Furthermore, by installing different numbers of connecting plates 26 , different supporting effects can be exerted on the outer side of the drilling pipe 1 to change the supporting stability of the drilling pipe 1 .

[0032] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0033] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0034] 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 drilling and cementing straightening device, comprising a drilling pipe (1); Features: The drilling rig also includes a righting device (2), the righting device (2) being fixed to the outside of the middle part of the drilling pipe (1), the righting device (2) comprising a righting frame (21), a fixing block (22), a righting pipe sleeve (23), a slide groove (24), a second fixing block (25), a connecting plate (26), a fixing bolt (27), a fixing nut (28) and a fixing mechanism (29), the top of the righting frame (21) being provided with a fixing block (22), the righting frame (21) being fixed to the outside of the bottom of the righting pipe sleeve (23), and the upper end of the righting pipe sleeve (23) being provided with a slide groove (24), the rear end of the fixing block 2 (25) is engaged with the inner side of the slide groove (24), the right end of the rear end of the connecting plate (26) is installed with a fixing bolt (27), and the connecting plate (26) is engaged with the middle part of the left end of the fixing block 2 (25) through the fixing bolt (27), the right end of the fixing bolt (27) is threadedly matched with the inner side of the left end of the fixing nut (28), the fixing mechanism (29) is installed at the middle part of the top end of the straightening sleeve (23), and the straightening sleeve (23) and the fixing mechanism (29) are respectively fixed to the outer side of the middle part of the drilling pipe (1).

2. A drilling and cementing righting device according to claim 1, characterized in that: The fixing mechanism (29) comprises a mounting seat (291) and a fixing seat (292); the upper end of the mounting seat (291) is threadedly matched with the inner side of the lower end of the fixing seat (292); the mounting seat (291) is mounted on the middle part of the top end of the centralizing sleeve (23); the centralizing sleeve (23) is fixed to the outer side of the middle part of the drilling pipe (1); the mounting seat (291) and the centralizing sleeve (23) are respectively fixed to the outer side of the middle part of the drilling pipe (1).

3. A drilling and cementing righting device according to claim 1, characterized in that: A plurality of groups of fixing blocks (22) are arranged at the top end of the straightening frame (21), and the plurality of groups of fixing blocks (22) are evenly distributed along the outer side of the top end of the straightening frame (21).

4. A drilling and cementing righting device according to claim 1, characterized in that: A plurality of groups of slide grooves (24) are arranged on the outer side of the upper end of the centralizing pipe sleeve (23), and the plurality of groups of slide grooves (24) are arranged corresponding to the plurality of groups of fixing blocks (22) arranged on the top end of the centralizing frame (21).

5. The drilling and cementing righting device according to claim 1, characterized in that: The rear end of the second fixing block (25) is provided with a protrusion, which is arranged corresponding to the inner side of the slide groove (24). The right sides of the front and rear ends of the connecting plate (26) are provided with fixing bolts (27). The front and rear ends of the connecting plate (26) are respectively connected to the inner side of the fixing block (22) and the second fixing block (25) by means of the fixing bolts (27).

6. A drilling and cementing righting device according to claim 1, characterized in that: The cross-sectional size of the fixing mechanism (29) is consistent with the size of the top end of the straightening sleeve (23).

7. A drilling and cementing righting device according to claim 2, characterized in that: The outer upper side of the mounting seat (291) and the inner lower side of the fixing seat (292) are both provided with threads, and the mounting seat (291) and the fixing seat (292) are thread-locked and matched with each other through the threads.

Images