Perforation well completion device applicable to different well types

Abstract

The utility model relates to the field of well completion devices, in particular to a perforation well completion device suitable for different well types. The lifting device comprises a base component, a base is arranged at the lower end of the base component, and a lifting ring is fixedly connected to the upper end of the base; the clamping component is arranged at the bottom of the base component, and the clamping component is provided with a hydraulic oil cylinder; the sleeve component is detachably arranged at the lower end of the clamping component, the sleeve component is provided with a protective tube, and a cavity is formed in the protective tube. According to the perforation well completion device capable of being suitable for different well types, a connecting shaft is rotationally connected with a first connecting seat, and the connecting shaft is rotationally connected with a second connecting seat, so that a plurality of perforation pipes are rotationally connected, and the use angle between a perforation component and a base component can be adjusted; the perforation well completion device can be suitable for different well types, and the application range of the perforation well completion device is widened.

Description

Technical Field

[0001] The utility model relates to the field of well completion devices, in particular to a perforation well completion device which can be applicable to different well types. Background Art

[0002] Well completion refers to the process of connecting the bottom of the well and the oil layer in a certain structure after the open hole well reaches the designed well depth. Well completion is the last important link in drilling work and the beginning of oil production engineering. It is closely related to the subsequent oil production, water injection and the development of the entire oil and gas field. The quality of oil well completion directly affects the production capacity and economic life of the oil well.

[0003] Application No. 202121457888.3 discloses a coalbed methane perforating device for well completion, which includes a split block, a fixed groove is provided at the bottom of the split block, a fixed block is slidably installed in the fixed groove, one end of the fixed block extends into the fixed groove, and the other end of the fixed block extends out of the fixed groove, and the fixed block is a hollow structure, and an injection hose is fixedly installed on one end of the fixed block extending out of the fixed groove, limiting holes are provided on the inner walls on both sides of the fixed block, and limiting rods are slidably installed in the limiting holes, one end of the limiting rod extends into the fixed block, and the other end of the limiting rod extends out of the fixed block, and limiting grooves are provided on the inner walls on both sides of the fixed groove.

[0004] The perforating completion device in the above-mentioned comparative documents has a fixed angle between the perforating tube and the base, and the use angle of the perforating tube cannot be adjusted, and cannot be applied to different well types. In view of the above situation, we have launched a perforating completion device that can be applied to different well types. Utility Model Content

[0005] The utility model aims to provide a perforating completion device applicable to different well types, so as to solve the problem that the perforating completion device proposed in the above background technology has a fixed angle between the perforating tube and the base, the use angle of the perforating tube cannot be adjusted, and cannot be applied to different well types.

[0006] The technical solution of the utility model is: a perforating completion device applicable to different well types, comprising

[0007] A base component, wherein a base is provided at the lower end of the base component, and a lifting ring is fixedly connected to the upper end of the base;

[0008] A clamping member, the clamping member is arranged at the bottom of the base member, and the clamping member is provided with a hydraulic cylinder;

[0009] A sleeve member, the sleeve member is detachably arranged at the lower end of the clamping member, the sleeve member has a protective tube, and the protective tube has a cavity inside;

[0010] A perforating component is arranged in the inner cavity of the casing component, and the perforating component is provided with a perforating tube.

[0011] As a further solution of the utility model: a connecting pipe is arranged at the bottom of the base, a through hole is provided at the bottom of the connecting pipe, and a cross bar is fixedly connected to the middle position of the hanging ring.

[0012] As a further solution of the utility model: the number of the hydraulic cylinders is two, and they are symmetrically arranged at the bottom of the base, and a mounting seat is provided at the upper end of the hydraulic cylinder.

[0013] As a further solution of the utility model: a connecting rod is arranged at the lower end of the hydraulic cylinder, a sleeve ring is arranged at the middle position of the connecting rod, and the size of the sleeve ring is matched with the size of the protective tube.

[0014] As a further solution of the utility model: sealing plates are provided at both ends of the protection tube, a fixing ring is fixedly connected to the upper end of the protection tube, and a conduit is arranged at the lower end of the protection tube.

[0015] As a further solution of the utility model: the number of the perforating tubes is three, and the size of the perforating tubes is matched with the size of the protective tube.

[0016] As a further solution of the utility model: a first connecting seat is arranged at the lower end of the perforating tube, a connecting shaft is rotatably connected to the lower end of the first connecting seat, a second connecting seat is rotatably connected to the lower end of the connecting shaft, and injection holes are symmetrically arranged on the outer wall of the perforating tube.

[0017] The utility model provides a perforation completion device applicable to different well types through improvement. Compared with the prior art, it has the following improvements and advantages:

[0018] First, the utility model connects the upper end of the perforating pipe with the bottom of the connecting pipe, installs the perforating component at the bottom of the base component, and rotatably connects the connecting shaft with the first connecting seat and the connecting shaft with the second connecting seat through the first connecting seat arranged at the lower end of the perforating pipe, thereby rotatably connecting a plurality of perforating pipes. When the perforating completion device is in use, the use angle between the perforating component and the base component can be adjusted, so that the perforating completion device can be applied to different well types, thereby improving the application range of the perforating completion device.

[0019] Second, the utility model installs two hydraulic cylinders symmetrically on the lower end of the base, sets the collar on the upper end of the protective tube, and locks the fixing ring with the collar, thereby installing the sleeve component on the bottom of the clamping component. The length of the telescopic rod of the hydraulic cylinder is adjusted by the hydraulic cylinder arranged at the lower end of the base, thereby making the upper end face of the fixing ring contact with the lower end face of the connecting tube, thereby installing the sleeve component on the lower end of the base component, making the connection between the sleeve component and the base component more stable, increasing the stability of the perforating and completion device, and the structure of the clamping component is simple, and the sleeve component of the perforating and completion device is simple and convenient to install or replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0021] Figure 1 It is a cross-sectional view of the sleeve component of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the main body of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the base component of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the clamping member of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the sleeve component of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the perforating component of the utility model;

[0027] Figure 7 This utility model Figure 6 Enlarged view of point A.

[0028] Explanation of the reference numerals: 1. base member; 11. base; 12. lifting ring; 13. cross bar; 14. connecting pipe; 2. clamping member; 21. hydraulic cylinder; 22. mounting seat; 23. connecting rod; 24. collar; 3. casing member; 31. protective pipe; 32. sealing plate; 33. fixing ring; 34. guide tube; 4. perforating member; 41. perforating pipe; 42. first connecting seat; 43. connecting shaft; 44. second connecting seat; 45. injection hole. DETAILED DESCRIPTION

[0029] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0030] Embodiment 1

[0031] See also Figure 1-Figure 7 The utility model provides a technical solution: a perforating completion device that can be used for different well types, which includes a base component 1, a base 11 is arranged at the lower end of the base component 1, and a lifting ring 12 is fixedly connected to the upper end of the base 11; a clamping component 2, the clamping component 2 is arranged at the bottom of the base component 1, and the clamping component 2 is provided with a hydraulic cylinder 21; a casing component 3, the casing component 3 is detachably arranged at the lower end of the clamping component 2, the casing component 3 has a protective tube 31, and the protective tube 31 has a cavity inside; a perforating component 4, the perforating component 4 is arranged in the inner cavity of the casing component 3, and the perforating component 4 is provided with a perforating tube 41.

[0032] See also Figure 1-Figure 3 A connecting pipe 14 is arranged at the bottom of the base 11 , a through hole is provided at the bottom of the connecting pipe 14 , and a cross bar 13 is fixedly connected to the middle of the hanging ring 12 .

[0033] There are two hydraulic cylinders 21 symmetrically arranged at the bottom of the base 11 , and a mounting seat 22 is disposed at the upper end of the hydraulic cylinder 21 .

[0034] A connecting rod 23 is disposed at the lower end of the hydraulic cylinder 21 , and a sleeve ring 24 is disposed at the middle of the connecting rod 23 . The size of the sleeve ring 24 matches the size of the protective tube 31 .

[0035] When in use, first, the lifting ring 12 is fixedly installed on the upper end of the base 11, and the cross bar 13 is installed in the middle position of the lifting ring 12, then the upper end of the connecting pipe 14 passes through the base 11, and then the connecting pipe 14 is installed at the lower end of the base 11, and the upper end of the perforating pipe 41 is connected to the bottom of the connecting pipe 14, and then the first connecting seat 42 and the second connecting seat 44 are installed between the multiple perforating pipes 41, so that the perforating component 4 is installed at the bottom of the base component 1, and the first connecting seat 42 set at the lower end of the perforating pipe 41 is rotatably connected to the connecting shaft 43 and the first connecting seat 42, and the connecting shaft 43 is rotatably connected to the second connecting seat 44, so that the multiple perforating pipes 41 are rotatably connected. When the perforating completion device is in use, the use angle between the perforating component 4 and the base component 1 can be adjusted, so that the perforating completion device can be suitable for different well types, thereby improving the application range of the perforating completion device.

[0036] Embodiment 2

[0037] See also Figure 1-Figure 7 The utility model provides a technical solution: a perforating completion device that can be used for different well types, which includes a base component 1, a base 11 is arranged at the lower end of the base component 1, and a lifting ring 12 is fixedly connected to the upper end of the base 11; a clamping component 2, the clamping component 2 is arranged at the bottom of the base component 1, and the clamping component 2 is provided with a hydraulic cylinder 21; a casing component 3, the casing component 3 is detachably arranged at the lower end of the clamping component 2, the casing component 3 has a protective tube 31, and the protective tube 31 has a cavity inside; a perforating component 4, the perforating component 4 is arranged in the inner cavity of the casing component 3, and the perforating component 4 is provided with a perforating tube 41.

[0038] See also Figure 4-Figure 7 Sealing plates 32 are provided at both ends of the protection tube 31 , a fixing ring 33 is fixedly connected to the upper end of the protection tube 31 , and a guide tube 34 is arranged at the lower end of the protection tube 31 .

[0039] There are three perforating tubes 41 , and the size of the perforating tubes 41 matches the size of the protection tube 31 .

[0040] A first connection seat 42 is provided at the lower end of the perforating tube 41 , a connection shaft 43 is rotatably connected to the lower end of the first connection seat 42 , a second connection seat 44 is rotatably connected to the lower end of the connection shaft 43 , and injection holes 45 are symmetrically arranged on the outer wall of the perforating tube 41 .

[0041] When in use, the mounting base 22 is mounted on the upper end of the hydraulic cylinder 21, and the two hydraulic cylinders 21 are symmetrically mounted on the lower end of the base 11, and then the connecting rod 23 is mounted between the two hydraulic cylinders 21, and then the collar 24 is mounted in the middle of the connecting rod 23, and the collar 24 is sleeved on the upper end of the protective tube 31, and the fixing ring 33 is arranged on the upper end of the protective tube 31, and then the fixing ring 33 and the collar 24 are engaged, so that the casing member 3 is mounted on the bottom of the clamping member 2, and the length of the telescopic rod of the hydraulic cylinder 21 is adjusted by the hydraulic cylinder 21 arranged at the lower end of the base 11, so that the upper end surface of the fixing ring 33 is in conflict with the lower end surface of the connecting tube 14, so that the casing member 3 is mounted on the lower end of the base member 1, and the clamping member 2 arranged at the lower end of the base member 1 makes the connection between the casing member 3 and the base member 1 more stable, thereby increasing the stability of the perforating completion device, and the structure of the clamping member 2 is simple, and the casing member 3 of the perforating completion device is simple and convenient to install or replace.

[0042] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A perforation completion device applicable to different well types, characterized in that: It includes A base component (1), wherein a base (11) is provided at the lower end of the base component (1), and a lifting ring (12) is fixedly connected to the upper end of the base (11); A clamping member (2), the clamping member (2) being arranged at the bottom of the base member (1), and the clamping member (2) being provided with a hydraulic cylinder (21); A sleeve member (3), the sleeve member (3) being detachably arranged at the lower end of the clamping member (2), the sleeve member (3) having a protective tube (31), the protective tube (31) having a cavity inside; A perforating component (4), wherein the perforating component (4) is arranged in the inner cavity of the casing component (3), and the perforating component (4) is provided with a perforating tube (41).

2. The perforation completion device applicable to different well types according to claim 1, characterized in that: A connecting pipe (14) is arranged at the bottom of the base (11), a through hole is provided at the bottom of the connecting pipe (14), and a cross bar (13) is fixedly connected to the middle of the hanging ring (12).

3. The perforation completion device applicable to different well types according to claim 1, characterized in that: The number of the hydraulic cylinders (21) is two and they are symmetrically arranged at the bottom of the base (11); a mounting seat (22) is provided at the upper end of the hydraulic cylinder (21).

4. The perforation completion device applicable to different well types according to claim 1, characterized in that: A connecting rod (23) is provided at the lower end of the hydraulic cylinder (21), and a sleeve ring (24) is arranged at the middle of the connecting rod (23). The size of the sleeve ring (24) is matched with the size of the protective tube (31).

5. The perforating completion device applicable to different well types according to claim 1, characterized in that: Sealing plates (32) are provided at both ends of the protection tube (31), a fixing ring (33) is fixedly connected to the upper end of the protection tube (31), and a guide tube (34) is arranged at the lower end of the protection tube (31).

6. The perforation completion device applicable to different well types according to claim 1, characterized in that: The number of the perforating tubes (41) is three, and the size of the perforating tubes (41) is matched with the size of the protective tube (31).

7. The perforation completion device applicable to different well types according to claim 1, characterized in that: A first connecting seat (42) is provided at the lower end of the perforating tube (41), a connecting shaft (43) is rotatably connected to the lower end of the first connecting seat (42), a second connecting seat (44) is rotatably connected to the lower end of the connecting shaft (43), and injection holes (45) are symmetrically arranged on the outer wall of the perforating tube (41).

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