Sidetracking slim hole reaming tool

By introducing adjustment limiters and auxiliary installation mechanisms into the reaming tool for small-bore side-drilling, the risk of tool breakage and connection mismatch caused by linear scraper adjustment were solved, thereby improving the stability and efficiency of the reaming tool.

CN223908156UActive Publication Date: 2026-02-13DOWNHOLE OPERATION COMPANY SINOPEC SHENGLI PETROLEUM ENG
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Patent Information

Application Number
CN202520658416.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-02-13
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

Existing side-drilling small-bore reaming tools suffer from several drawbacks during use. The linear adjustment of the scraper increases the risk of tool breakage, the fixed connection is not suitable for different reaming scenarios, and the fixed mounting hole position of the rotating seat makes it incompatible with external equipment.

Method used

A small-bore reaming tool for side-drilling was designed, employing an adjustment and limiting mechanism and an auxiliary installation mechanism. The angle of the reaming scraper is adjusted through the adjustment and limiting components, and the scraper is stably installed with the help of springs and pull rods. The auxiliary installation mechanism achieves stable installation at different connection hole positions through threaded rods and limiting rods.

Benefits of technology

It improves the adaptability and stability of the reaming tool, reduces the risk of tool breakage, ensures compatibility with external equipment and installation stability, and improves reaming efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sidetrack well slim hole reaming equipment, and discloses a sidetrack well slim hole reaming tool which comprises a digging table, a protective cover is arranged at the top of the digging table, a locking bolt is arranged between the digging table and the protective cover, a drilling auger is fixedly connected to the bottom of the digging table, and the drilling auger is fixedly connected with a drilling rod. A mounting table is fixedly connected to the top of the protective cover, a supporting column is fixedly connected to the top of the digging table, an adjusting limiting mechanism is arranged outside the supporting column, and an auxiliary mounting mechanism is arranged in the mounting table. A proper reaming scraper can be selected for installation according to the use terrain, a hydraulic rod works, a first rotating block rotates in a third fixing block, the angle of the reaming scraper can be adjusted conveniently, therefore, the requirement for adjustment and use of different reaming sizes is met, and the position of an installation block can be adjusted conveniently through rotation of a threaded rod.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of side drilling slim hole reaming equipment, in particular to a side drilling slim hole reaming tool. BACKGROUND

[0002] The side drilling slim hole reaming tool is a tool for expanding the hole diameter in side drilling operations. Side drilling is a drilling technology that drills one or more secondary wells laterally in a main well that has been drilled to increase the horizontal extension length of the well bottom. The slim hole reaming tool is used to expand the hole diameter of the secondary well during the drilling process in side drilling operations to adapt to subsequent work requirements.

[0003] According to the side drilling slim hole reaming tool (authorized announcement number: CN 221722718 U) disclosed by the patent network, the utility model relates to the technical field of side drilling slim hole reaming equipment, especially to a side drilling slim hole reaming tool, the technical problem is that when using the side drilling slim hole reaming tool, the drill bit needs to be removed and replaced with a larger drilling shell to perform drilling operations again, which is low in efficiency and time-consuming, the technical scheme is that the side drilling slim hole reaming tool comprises a reaming tool main body, a connecting assembly, a dust falling assembly, a protection assembly, a reaming assembly, a soil digging assembly, and a drilling assembly, compared with the traditional side drilling slim hole reaming tool, the drill bit needs to be removed and replaced with a larger drilling shell to perform drilling operations again, which is low in efficiency and time-consuming, the side drilling slim hole reaming tool sets a reaming structure, adjusts the diameter of the drilling head, controls the drilling size while drilling, effectively adjusts the drilling size, improves the efficiency, and saves time.

[0004] According to the above description, the applicant believes that there are the following problems:

[0005] In the use process of the utility model, the reaming tool main body is conveniently rotated and drilled by rotating the seat, the reaming tool main body and the rotating device are conveniently connected by the connecting rod, the reaming tool main body is protected by the protection shell, and the reaming assembly is installed in the installation groove. In actual use, the straight-line adjustment of the scraper increases the risk of broken knives during scraping, and the fixedly connected scrapers are not suitable for different reaming scenes. At the same time, the rotating seat mounting hole of the device is fixed, which may cause misfitting when connected with external rotating equipment. Therefore, a side drilling slim hole reaming tool needs to be improved to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a side drilling slim hole reaming tool to solve the problems raised in the background art.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a side drilling well small hole reamer tool, including the earth -moving platform, the earth -moving platform top is provided with the protective cover, the earth -moving platform is provided with the locking bolt between the protective cover, the earth -moving platform bottom fixedly connected with the auger, the protective cover top fixedly connected with the installation platform, the earth -moving platform top fixedly connected with the support column, the support column outside is provided with the adjusting limit mechanism, the installation platform inside is provided with the auxiliary installation mechanism,

[0008] The adjusting limit mechanism comprises an adjusting assembly and a limiting assembly, and the limiting assembly is arranged in the adjusting assembly.

[0009] Preferably, the adjusting assembly comprises a first fixed block, the first fixed block is fixedly connected at the top of the earth -moving platform, the first fixed block is rotatably connected with the connecting frame, the connecting frame is fixedly connected with the second fixed block at one end close to the support column, the support column is fixedly connected with the third fixed block at one end close to the first fixed block, the third fixed block is rotatably connected with the first rotating block, the first rotating block is fixedly connected with the hydraulic rod at one end close to the second fixed block, and the hydraulic rod is fixedly connected with the second rotating block at one end close to the second fixed block, so that the angle of the reamer scraper can be adjusted, thereby meeting the adjustment and use of different reaming sizes.

[0010] Preferably, grooves are formed at positions corresponding to the second fixed block and the second rotating block, and the second rotating block is rotatably connected in the grooves, so that the adjustment process is more stable.

[0011] Preferably, the limiting assembly comprises a reamer scraper, the reamer scraper is inserted into the connecting frame, the connecting frame is fixedly connected with a connecting box at one end close to the second fixed block, the connecting box is fixedly connected with a spring inside, the spring is fixedly connected with a clamping column at one end away from the connecting box, and the clamping column is fixedly connected with a pull rod at one end close to the spring, so that the position of the clamping column can be adjusted, and the appropriate reamer scraper can be selected and installed according to the use terrain.

[0012] Preferably, the pull rod and the connecting box are slidably connected, the clamping column and the connecting box are slidably connected, the clamping column and the connecting frame are slidably connected, grooves are formed at positions corresponding to the reamer scraper and the clamping column, and the clamping column is inserted into the grooves, so that the use process is more stable.

[0013] Preferably, the auxiliary installation mechanism comprises a connecting table, the connecting table is fixedly connected inside the installation platform, the connecting table is rotatably connected with a threaded rod inside, the connecting table is fixedly connected with a limiting rod inside, the limiting rod is slidably connected with a movable block outside, and the movable block is fixedly connected with a mounting block inside, so that the position of the mounting block can be adjusted, and the limiting position can be installed for different connecting hole positions of external rotating equipment.

[0014] Preferably, the movable block is in threaded connection with the threaded rod, the connecting table is provided with a slot at a position corresponding to the movable block, and the movable block is in sliding connection inside the slot, so that the installation process is more stable.

[0015] Compared with the prior art, the utility model provides a side drilling slim hole reaming tool, has the following beneficial effects:

[0016] 1、 this side drilling slim hole reaming tool, through the adjusting limiting mechanism of setting, in the use process, through the setting of pull rod movement, cooperate spring, it is convenient for realizing the adjustment of card column position, meet according to the use terrain selects the suitable reaming scraper and installs, through the hydraulic rod work of setting, make first rotating block rotate inside third fixed block, it is convenient for realizing the adjustment of reaming scraper angle, to meet the adjustment use of different reaming size.

[0017] 2、 this side drilling slim hole reaming tool, through the auxiliary installation mechanism of setting, in the use process, through the rotation of setting screw rod, cooperate limiting rod, it is convenient for realizing the adjustment of installation block position, to meet the installation limiting of different connecting hole positions of external rotating equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be needed to use the drawings in the embodiment description briefly introduced, obviously, the following description in the drawings is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings:

[0019] Figure 1 It is the front structure schematic diagram of the utility model;

[0020] Figure 2 It is the section structure schematic diagram of the utility model;

[0021] Figure 3 It is the adjusting assembly structure schematic diagram of the utility model;

[0022] Figure 4 It is the limiting assembly structure schematic diagram of the utility model;

[0023] Figure 5 It is the limiting assembly internal structure schematic diagram of the utility model;

[0024] Figure 6 It is the auxiliary installation mechanism structure schematic diagram of the utility model;

[0025] Figure 7 It is the auxiliary installation mechanism internal structure schematic diagram of the utility model.

[0026] In the figure: 1, the soil platform; 2, the protective cover; 3, the auger; 4, the installation platform; 5, the support column; 6, the adjusting limiting mechanism; 61, the adjusting assembly; 611, the first fixed block; 612, the connecting frame; 613, the second fixed block; 614, the third fixed block; 615, the first rotating block; 616, the hydraulic rod; 617, the second rotating block; 62, the limiting assembly; 621, the reaming scraper; 622, the connecting box; 623, the pull rod; 624, the clamping column; 625, the spring; 7, the auxiliary installation mechanism; 71, the connecting platform; 72, the movable block; 73, the installation block; 74, the threaded rod; 75, the limiting rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. EMBODIMENT

[0029] Based on the existing technology, the straight-line adjustment of the scraper increases the risk of broken knife during scraping, and the fixedly connected scraper is not suitable for different reaming scenarios. The present embodiment provides a side drilling slim hole reaming tool, please refer to Figures 1-5 The present application provides a technical scheme: a side drilling slim hole reaming tool, comprising a soil platform 1, the top of the soil platform 1 is provided with a protective cover 2, the soil platform 1 and the protective cover 2 are provided with locking bolts, the bottom of the soil platform 1 is fixedly connected with an auger 3, the top of the protective cover 2 is fixedly connected with an installation platform 4, the top of the soil platform 1 is fixedly connected with a support column 5, the outside of the support column 5 is provided with an adjusting limiting mechanism 6, the inside of the installation platform 4 is provided with an auxiliary installation mechanism 7.

[0030] The adjusting limiting mechanism 6 comprises an adjusting assembly 61 and a limiting assembly 62, and the limiting assembly 62 is arranged in the adjusting assembly 61.

[0031] Further, the adjusting assembly 61 comprises a first fixing block 611 fixedly connected to the top of the soil digging table 1, a connecting frame 612 rotatably connected in the first fixing block 611, a second fixing block 613 fixedly connected to one end of the connecting frame 612 close to the support column 5, a third fixing block 614 fixedly connected to one end of the support column 5 close to the first fixing block 611, a first rotating block 615 rotatably connected in the third fixing block 614, a hydraulic rod 616 fixedly connected to one end of the first rotating block 615 close to the second fixing block 613, and a second rotating block 617 fixedly connected to one end of the hydraulic rod 616 close to the second fixing block 613, so as to adjust the angle of the hole expanding scraper 621 and meet the adjustment and use of different hole expanding sizes.

[0032] Further, grooves are formed in the corresponding positions of the second fixing block 613 and the second rotating block 617, and the second rotating block 617 is rotatably connected in the grooves, so that the adjustment process is more stable.

[0033] Further, the limiting assembly 62 comprises the hole expanding scraper 621 inserted in the connecting frame 612, a connecting box 622 fixedly connected to one end of the connecting frame 612 close to the second fixing block 613, a spring 625 fixedly connected in the connecting box 622, a clamping column 624 fixedly connected to one end of the spring 625 away from the connecting box 622, and a pull rod 623 fixedly connected to one end of the clamping column 624 close to the spring 625, so as to adjust the position of the clamping column 624 and meet the installation of the hole expanding scraper 621 according to the use terrain.

[0034] Further, the pull rod 623 is slidably connected to the connecting box 622, the clamping column 624 is slidably connected to the connecting box 622, the clamping column 624 is slidably connected to the connecting frame 612, grooves are formed in the corresponding positions of the hole expanding scraper 621 and the clamping column 624, and the clamping column 624 is inserted in the grooves, so that the use process is more stable. Embodiment

[0035] On the basis of the first embodiment, the existing technology fixes the rotating seat mounting hole position, which leads to the inadaptation when connected with the external rotating equipment, therefore, the second embodiment is provided to solve the above technical problems, please refer to Figures 6-7 Further obtained in combination with the first embodiment, the auxiliary installation mechanism 7 comprises a connecting table 71 fixedly connected to the inside of the mounting table 4, a threaded rod 74 rotatably connected in the connecting table 71, a limiting rod 75 fixedly connected to the inside of the connecting table 71, a movable block 72 slidably connected to the outside of the limiting rod 75, and an installation block 73 fixedly connected to the inside of the movable block 72, so as to adjust the position of the installation block 73 and meet the installation and limiting of different connecting hole positions of the external rotating equipment.

[0036] Further, the movable block 72 is in threaded connection with the threaded rod 74, the connecting table 71 is provided with a slot at a corresponding position of the movable block 72, and the movable block 72 is in sliding connection inside the slot, so that the installation process is more stable.

[0037] In actual operation, when the device is used, first, the staff adjusts according to the external rotating equipment connecting hole, rotates the threaded rod 74, moves the movable block 72 through the rotation of the threaded rod 74, moves the mounting block 73, installs and limits the mounting block 73 and the external rotating equipment connecting hole through the mounting bolt, selects the appropriate reaming scraper 621 according to the terrain after installation, pulls the pull rod 623, moves the clamping column 624 through the movement of the pull rod 623, and then inserts the reaming scraper 621 into the connecting frame 612, and then loosens the pull rod 623, and the clamping column 624 is limited with the reaming scraper 621 under the action of the spring 625, moves the device to the designated use position after installation, rotates the mounting table 4 through the external rotating equipment, rotates the digging table 1 and the drilling auger 3 through the protective cover 2, starts the drilling process, adjusts the reaming size according to the need, moves the second rotating block 617 through the work of the hydraulic rod 616, rotates the connecting frame 612 in the first fixed block 611 through the second fixed block 613, and adjusts the angle of the reaming scraper 621, and the staff needs to unscrew the locking bolt to remove the limit between the digging table 1 and the protective cover 2 after use, and the cleaning of the adjusting and limiting mechanism 6 is met.

[0038] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A sidetracked well slim hole reaming tool comprising a soil excavating platform (1), characterized in that: The top of the soil digging platform (1) is provided with a protective cover (2), the soil digging platform (1) and the protective cover (2) are provided with locking bolts, the bottom of the soil digging platform (1) is fixedly connected with a drilling auger (3), the top of the protective cover (2) is fixedly connected with a mounting table (4), the top of the soil digging platform (1) is fixedly connected with a supporting column (5), the supporting column (5) is provided with an adjusting and limiting mechanism (6) outside, and the mounting table (4) is provided with an auxiliary mounting mechanism (7) inside. The adjusting and limiting mechanism (6) comprises an adjusting assembly (61) and a limiting assembly (62), and the limiting assembly (62) is arranged in the adjusting assembly (61).

2. A sidetracked well underreamer tool as defined in claim 1, characterized by: The adjusting assembly (61) comprises a first fixed block (611), the first fixed block (611) is fixedly connected to the top of the soil digging platform (1), a connecting frame (612) is rotatably connected to the inside of the first fixed block (611), a second fixed block (613) is fixedly connected to one end of the connecting frame (612) close to the supporting column (5), a third fixed block (614) is fixedly connected to one end of the supporting column (5) close to the first fixed block (611), a first rotating block (615) is rotatably connected to the inside of the third fixed block (614), a hydraulic rod (616) is fixedly connected to one end of the first rotating block (615) close to the second fixed block (613), and a second rotating block (617) is fixedly connected to one end of the hydraulic rod (616) close to the second fixed block (613).

3. A sidetracked well under-reamer tool according to claim 2, characterized in that: Grooves are formed in the corresponding positions of the second fixed block (613) and the second rotating block (617), and the second rotating block (617) is rotatably connected in the grooves.

4. A sidetracked well underreamer tool as defined in claim 2, wherein: The limiting assembly (62) comprises a reaming scraper (621), the reaming scraper (621) is inserted into the connecting frame (612), a connecting box (622) is fixedly connected to one end of the connecting frame (612) close to the second fixed block (613), a spring (625) is fixedly connected to the inside of the connecting box (622), a clamping column (624) is fixedly connected to one end of the spring (625) away from the connecting box (622), and a pull rod (623) is fixedly connected to one end of the clamping column (624) close to the spring (625).

5. A sidetracked well underreamer tool as defined in claim 4, characterized by: The pull rod (623) and the connecting box (622) are slidably connected, the clamping column (624) and the connecting box (622) are slidably connected, the clamping column (624) and the connecting frame (612) are slidably connected, grooves are formed in the corresponding positions of the reaming scraper (621) and the clamping column (624), and the clamping column (624) is inserted into the grooves.

6. A sidetracked well underreamer tool as defined in claim 1, wherein: The auxiliary mounting mechanism (7) comprises a connecting table (71), the connecting table (71) is fixedly connected to the inside of the mounting table (4), a threaded rod (74) is rotatably connected to the inside of the connecting table (71), a limiting rod (75) is fixedly connected to the inside of the connecting table (71), a movable block (72) is slidably connected to the outside of the limiting rod (75), and an installation block (73) is fixedly connected to the inside of the movable block (72).

7. A sidetracked well underreamer tool as defined in claim 6, characterized by: The movable block (72) is threadedly connected with the threaded rod (74), the connecting table (71) is provided with a slot at a position corresponding to the movable block (72), and the movable block (72) is slidingly connected in the slot.

Citation Information

Patent Citations

  • Sidetracking slim hole reaming tool

    CN221722718U