Device for directional perforation
By introducing a positioning chamber and a moving device into the directional perforation device, combined with the gyroscope recording the rotation angle, the problem of gyroscope positioning information deviation is solved, the precise positioning of the perforation orientation is achieved, and the effect of fracturing reservoir transformation is improved.
Patent Information
- Application Number
- CN202420968478.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-07
AI Technical Summary
In the existing directional perforation device, there is a deviation from the perforation orientation information, which makes it difficult to accurately locate the perforation orientation, which in turn affects the clarity of the hydraulic fracture direction and the transformation effect in the fracturing reservoir transformation operation.
A device including a perforation gun, a positioning chamber, a positioning structure and a positioning plate is designed. By setting a slide chute and a positioning hole in the inner wall of the positioning chamber, recording the rotation angle with a mobile device and a gyroscope, accurately positioning the perforation orientation, and passing through The signal transmission cable transmits information to the ground monitoring system.
The precise positioning of the perforation orientation is achieved, the problems of unclear direction of hydraulic fractures and unsatisfactory transformation are solved, and the effect of fracturing reservoir transformation is improved.
Smart Images
Figure CN222333768U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reservoir fracturing transformation, in particular to a device for directional perforation. Background Art
[0002] In the existing directional perforating devices, a single gyroscope is mainly used for direct positioning, and the perforating gun performs perforation according to the gyroscope positioning information. In the prior art, there is a deviation between the gyroscope positioning information and the perforating direction, and the perforating direction is difficult to accurately locate, resulting in the problem that the direction of the hydraulic fracture is difficult to determine during the fracturing reservoir transformation operation, and the transformation effect is not ideal. Therefore, there is an urgent need for a device for directional perforating, which solves the problem that the perforating direction is difficult to accurately locate, resulting in the problem that the direction of the hydraulic fracture is difficult to determine during the fracturing reservoir transformation operation, and the transformation effect is not ideal. Utility Model Content
[0003] The purpose of the utility model is to provide a device for directional perforation to improve the above problems. In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0004] A device for directional perforating, comprising: the perforating device comprises a perforating gun and a positioning bin, the top of the perforating gun is connected to the bottom of the positioning bin, and a slide groove is provided on the inner wall of the positioning bin; and a positioning device, the positioning device comprises a positioning structure and a positioning plate, a positioning piece is provided on the top of the positioning structure, the positioning piece suspends the positioning structure inside the positioning bin, the positioning plate is horizontally arranged in the middle of the positioning bin, the positioning plate is provided with a positioning hole, the positioning structure and the positioning piece are moved along the slide groove by a moving device, and when the positioning structure moves to the positioning hole position, the positioning structure determines the perforating orientation according to the rotation angle.
[0005] Preferably, the positioning structure comprises a gyro chamber and a gyroscope, the positioning member is arranged on the top of the gyro chamber, the gyroscope is arranged on the outer wall of the gyroscope chamber, and the gyroscope chamber and the gyroscope are fixedly connected.
[0006] Preferably, the gyroscope includes a gyroscope positioning member and a gyroscope rotor, the end face of the gyroscope positioning member is fixedly connected to the outer wall of the gyroscope chamber, the gyroscope positioning member is connected to the gyroscope rotor via a gyroscope connecting member, and the gyroscope positioning member, the gyroscope connecting member and the gyroscope rotor are all arranged vertically to the positioning plate.
[0007] Preferably, the gyro bin includes a first gyro bin and a second gyro bin, the bottom of the first gyro bin and the top of the second gyro bin are fixedly connected, the outer wall of the second gyro bin is connected to the mobile device, and the first gyro bin and the second gyro bin are overlapped up and down.
[0008] Preferably, a positioning block is provided at the bottom of the second gyroscope bin, the positioning block is fixedly connected to the second gyroscope bin, the positioning block and the positioning hole are consistent in size and shape, and when the positioning block is moved to the positioning hole by the moving device, the positioning block is engaged and connected with the positioning hole.
[0009] Preferably, the positioning member is a signal transmission cable, the bottom end of the signal transmission cable is connected to the top of the first gyro chamber, and the other end of the signal transmission cable is electrically connected to the wellhead monitoring system.
[0010] Preferably, the positioning bin is of a pipeline type, the slide groove is a vertical slide groove and an annular slide groove, the vertical slide groove is vertically arranged in the positioning bin, the annular slide groove is horizontally arranged in the positioning bin, the end face of the annular slide groove is the top end of the positioning plate, and the annular slide groove is connected to the vertical slide groove.
[0011] Preferably, the moving device includes a moving block and a moving connecting piece, the moving block is arranged in the vertical slide groove, the moving block is engaged and connected with the vertical slide groove, one end of the moving connecting piece is connected to the moving block, and the other end of the moving connecting piece is connected to the outer wall of the second gyroscope bin.
[0012] Preferably, the movable connecting member includes a telescopic member and a connecting rope, the telescopic member is connected to the outer wall of the second gyro chamber, the end of the connecting rope is arranged in the telescopic end of the telescopic member, and the other end of the connecting rope is connected to the moving block.
[0013] Preferably, the positioning hole is a triangle, and any two sides of the positioning hole are not equal. The beneficial effects of this structure are:
[0014] The utility model introduces a positioning bin, a positioning structure and a positioning plate, the bottom of the positioning bin is connected to the top of the perforating gun, the positioning bin is provided with a slide groove, a positioning plate is horizontally arranged in the middle of the positioning bin, a positioning hole is provided on the positioning plate, and the positioning structure moves to the positioning hole along the slide groove. In this structure, the problem that the perforating orientation is difficult to accurately locate in the prior art is solved through the specific positions of the positioning structure and the positioning hole. The positioning structure sends the rotation position information according to the rotation position, and the perforating orientation is determined according to the rotation information sent by the positioning structure. The construction personnel perform perforating operations according to the precise rotation information, and the problem that the hydraulic fracture direction is difficult to determine and the transformation effect is not ideal in the prior art due to the inaccurate perforating position is solved.
[0015] Other features and advantages of the utility model will be described in the following description, and some of them will become obvious from the description, or be understood by implementing the embodiments of the utility model. The purpose and other advantages of the utility model can be achieved and obtained by the structures specifically pointed out in the written description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is a schematic diagram of the overall device of the utility model;
[0018] Figure 2 It is a structural schematic diagram of the positioning structure and the moving device of the utility model;
[0019] Figure 3 It is a top view of the positioning bin and the positioning plate of the utility model;
[0020] Markings in the figure:
[0021] 1. Perforating gun; 2. Positioning chamber; 3. Positioning structure; 4. Positioning plate; 5. Moving device; 6. Gyro chamber; 7. Gyroscope; 8. Slide; 9. Positioning block; 10. Signal transmission cable; 41. Positioning hole; 51. Moving block; 52. Moving connecting piece; 61. First gyro chamber; 62. Second gyro chamber; 71. Gyro positioning piece; 72. Gyro rotor; 81. Vertical slide; 82. Annular slide; 521. Telescopic piece; 522. Connecting rope. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.
[0023] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. At the same time, in the description of the present utility model, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0024] like Figure 1 As shown, a device for directional perforating includes: the perforating device includes a perforating gun 1 and a positioning bin 2, the top of the perforating gun 1 is connected to the bottom of the positioning bin 2, and the inner wall of the positioning bin 2 is provided with a slide groove 8; and a positioning device, the positioning device includes a positioning structure 3 and a positioning plate 4, the top of the positioning structure 3 is provided with a positioning piece, the positioning piece suspends the positioning structure 3 inside the positioning bin 2, the positioning plate 4 is horizontally arranged in the middle of the positioning bin 2, the positioning plate 4 is provided with a positioning hole 41, the positioning structure 3 and the positioning piece are moved along the slide groove 8 by a moving device 5, and when the positioning structure 3 moves to the position of the positioning hole 41, the positioning structure 3 determines the perforating orientation according to the rotation angle. The specific working process of the device is as follows: the positioning structure 3 rotates along the slide 8, the positioning structure 3 records the rotation angle, when the positioning structure 3 moves to the position of the positioning hole 41, the positioning structure 3 is engaged with the positioning hole 41, at this time the positioning structure 3 cannot move, the positioning structure 3 determines the perforation orientation according to the rotation angle, the positioning structure 3 sends the rotation angle information to the ground monitoring system through the positioning member, and then the positioning structure 3 is lifted up along the slide 8, and the positioning structure 3 is separated from the positioning hole 41. The construction personnel determine the perforation orientation according to the rotation angle of the ground monitoring system for subsequent perforation operations, which solves the problem that the perforation orientation is difficult to accurately locate in the prior art, resulting in the difficulty in clarifying the direction of hydraulic fractures during the fracturing reservoir transformation operation and unsatisfactory transformation effect.
[0025] like Figure 2 As shown, in the present utility model, the positioning structure 3 includes a gyro chamber 6 and a gyroscope 7. The positioning member is arranged on the top of the gyro chamber 6. The gyroscope 7 is arranged on the outer wall of the gyroscope chamber 6. The gyroscope chamber 6 and the gyroscope 7 are fixedly connected. The gyroscope chamber 6 and the gyroscope 7 rotate synchronously, and the gyroscope 7 is used to record the angle of rotation of the body and the gyroscope chamber 6.
[0026] Furthermore, to clarify the specific structure of the gyroscope 7, the gyroscope 7 includes a gyroscope positioning member 71 and a gyroscope rotor 72. The end face of the gyroscope positioning member 71 is fixedly connected to the outer wall of the gyroscope bin 6. The gyroscope positioning member 71 is connected to the gyroscope rotor 72 via a gyroscope connecting member. The gyroscope positioning member 71, the gyroscope connecting member and the gyroscope rotor 72 are all arranged vertically to the positioning plate 4.
[0027] In this structure, the gyro chamber 6 includes a first gyro chamber 61 and a second gyro chamber 62. The bottom of the first gyro chamber 61 and the top of the second gyro chamber 62 are fixedly connected. The outer wall of the second gyro chamber 62 is connected to the mobile device 5. The first gyro chamber 61 and the second gyro chamber 62 are overlapped up and down. The first gyro chamber 61 is used to connect with the positioning member, the first gyro chamber 61 is suspended by the positioning member, and the second gyro chamber 62 is positioned with the positioning hole 41.
[0028] Further, a positioning block 9 is provided at the bottom of the second gyro bin 62, the positioning block 9 is fixedly connected to the second gyro bin 62, the positioning block 9 is consistent in size and shape with the positioning hole 41, and when the positioning block 9 is moved to the positioning hole 41 by the moving device 5, the positioning block 9 is engaged with the positioning hole 41. After the positioning block 9 is engaged with the positioning hole 41, the gyroscope 7 identifies the rotation angle, and the rotation angle is the optimal perforating azimuth.
[0029] In this structure, the positioning member is a signal transmission cable 10, the bottom end of the signal transmission cable 10 is connected to the top of the first gyro chamber 61, and the other end of the signal transmission cable 10 is electrically connected to the wellhead monitoring system. The signal transmission cable 10 transmits the rotation information recognized by the gyroscope 7 to the ground monitoring system, and the construction personnel obtain the perforation direction according to the information of the ground monitoring system, and the construction personnel perform subsequent perforation operations according to the perforation direction.
[0030] like Figure 3 As shown, in order to clarify the specific setting of the slide groove 8, the positioning bin 2 is a pipeline type, and the slide groove 8 is a vertical slide groove 81 and an annular slide groove 82. The vertical slide groove 81 is vertically arranged in the positioning bin 2, and the annular slide groove 82 is horizontally arranged in the positioning bin 2. The end face of the annular slide groove 82 is the top end of the positioning plate 4, and the annular slide groove 82 is connected to the vertical slide groove 81.
[0031] In the present device, the moving device 5 comprises a moving block 51 and a moving connecting member 52, wherein the moving block 51 is disposed in the vertical slide slot 81, the moving block 51 is engaged with the vertical slide slot 81, one end of the moving connecting member 52 is connected to the moving block 51, and the other end of the moving connecting member 52 is connected to the outer wall of the second gyro bin 62. The moving block 51 moves the positions of the moving connecting member 52, the gyro bin 6 and the gyroscope 7 along the slide slot 8 in a limited manner.
[0032] Further, the mobile connecting member 52 includes a telescopic member 521 and a connecting rope 522, wherein the telescopic member 521 is connected to the outer wall of the second gyro chamber 62, an end of the connecting rope 522 is arranged in the telescopic end of the telescopic member 521, and the other end of the connecting rope 522 is connected to the moving block 51. The telescopic member 521 adjusts the connecting rope 522 to change the distance between the moving block 51 and the second gyro chamber 62.
[0033] like Figure 3 As shown, the positioning hole 41 is a triangle, and any two sides of the positioning hole 41 are not equal.
[0034] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A device for directional perforation, characterized in that: include: A perforating device, comprising a perforating gun (1) and a positioning chamber (2), wherein the top of the perforating gun (1) is connected to the bottom of the positioning chamber (2), and a slide groove (8) is provided on the inner wall of the positioning chamber (2); as well as A positioning device, the positioning device comprising a positioning structure (3) and a positioning plate (4), a positioning piece being arranged on the top of the positioning structure (3), the positioning piece suspending the positioning structure (3) inside the positioning bin (2), the positioning plate (4) being arranged horizontally in the middle of the positioning bin (2), the positioning plate (4) being provided with a positioning hole (41), the positioning structure (3) and the positioning piece being moved along the slide groove (8) by a moving device (5), and when the positioning structure (3) is moved to the position of the positioning hole (41), the positioning structure (3) determines the perforation orientation according to the rotation angle.
2. The device for directional perforation according to claim 1, characterized in that: The positioning structure (3) comprises a gyroscope chamber (6) and a gyroscope (7); the positioning member is arranged on the top of the gyroscope chamber (6); the gyroscope (7) is arranged on the outer wall of the gyroscope chamber (6); and the gyroscope chamber (6) and the gyroscope (7) are fixedly connected.
3. The device for directional perforation according to claim 2, characterized in that: The gyroscope (7) comprises a gyroscope positioning member (71) and a gyroscope rotor (72); the end surface of the gyroscope positioning member (71) is fixedly connected to the outer wall of the gyroscope chamber (6); the gyroscope positioning member (71) is connected to the gyroscope rotor (72) via a gyroscope connecting member; the gyroscope positioning member (71), the gyroscope connecting member and the gyroscope rotor (72) are all arranged vertically to the positioning plate (4).
4. The device for directional perforation according to claim 2, characterized in that: The gyro chamber (6) comprises a first gyro chamber (61) and a second gyro chamber (62); the bottom of the first gyro chamber (61) and the top of the second gyro chamber (62) are fixedly connected; the outer wall of the second gyro chamber (62) is connected to the moving device (5); and the first gyro chamber (61) and the second gyro chamber (62) are overlapped up and down.
5. The device for directional perforation according to claim 4, characterized in that: A positioning block (9) is provided at the bottom of the second gyroscope chamber (62), the positioning block (9) being fixedly connected to the second gyroscope chamber (62), the positioning block (9) being consistent in size and shape with the positioning hole (41), and when the positioning block (9) is moved to the positioning hole (41) by the moving device (5), the positioning block (9) is engaged and connected with the positioning hole (41).
6. The device for directional perforation according to claim 4, characterized in that: The positioning member is a signal transmission cable (10), the bottom end of the signal transmission cable (10) is connected to the top of the first gyro chamber (61), and the other end of the signal transmission cable (10) is electrically connected to a wellhead monitoring system.
7. The device for directional perforation according to claim 4, characterized in that: The positioning bin (2) is of a pipeline type, the slide groove (8) is a vertical slide groove (81) and an annular slide groove (82), the vertical slide groove (81) is vertically arranged in the positioning bin (2), the annular slide groove (82) is horizontally arranged in the positioning bin (2), the end surface of the annular slide groove (82) is the top end of the positioning plate (4), and the annular slide groove (82) is connected to the vertical slide groove (81).
8. The device for directional perforation according to claim 7, characterized in that: The moving device (5) comprises a moving block (51) and a moving connecting member (52); the moving block (51) is arranged in the vertical slide groove (81); the moving block (51) is snap-connected with the vertical slide groove (81); one end of the moving connecting member (52) is connected to the moving block (51); and the other end of the moving connecting member (52) is connected to the outer wall of the second gyro chamber (62).
9. The device for directional perforation according to claim 8, characterized in that: The movable connecting member (52) comprises a telescopic member (521) and a connecting rope (522); the telescopic member (521) is connected to the outer wall of the second gyro chamber (62); an end of the connecting rope (522) is arranged inside the telescopic end of the telescopic member (521); and the other end of the connecting rope (522) is connected to the movable block (51).
10. The device for directional perforation according to claim 1, characterized in that: The positioning hole (41) is in the shape of a triangle, and any two sides of the positioning hole (41) are not equal.