Drilling tool mud scraper auxiliary device for drilling

Abstract

The utility model discloses a drilling tool mud scraper auxiliary device for drilling, and belongs to the technical field of hydrogeological drilling. Comprising a drilling tool body. A mud scraping hole is formed in the mud scraper, and the drilling tool body penetrates through the mud scraping hole; the mud scraper is used for preliminarily cleaning mud on the surface of the drilling tool main body; the elastic binding ring is arranged on the drilling tool main body in a sleeving manner; the elastic binding ring is used for conducting secondary cleaning on slurry on the surface of the drilling tool body. And two ends of the connecting rope are respectively connected with the mud scraper and the elastic binding ring. The drilling tool mud scraper auxiliary device for drilling is easy to manufacture and operate, the service life of a mud scraper is prolonged, mud scraping efficiency is improved, frequent replacement of the mud scraper is avoided, and construction time is saved; meanwhile, the slurry is further recycled, and the construction cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogeological drilling, in particular to a drilling tool scraper auxiliary device for drilling. Background Art

[0002] At present, when the drilling rig lifts the drill bit during drilling construction, a lot of mud adheres to the surface of the drill bit. A mud scraper is needed to scrape off the mud on the surface of the drill bit to avoid mud dripping on the machine table during the drilling process, causing the machine table to be dirty and inconvenient to clean; at the same time, the scraped mud falls back into the wellbore, which is conducive to recycling.

[0003] However, the scraper is made of rubber. Long-term use will lead to imbalanced elasticity, larger pore size, and poorer scraping effect. An auxiliary device is needed to enhance the scraping efficiency. Utility Model Content

[0004] The utility model aims to provide a drilling tool scraper auxiliary device with high scraping efficiency.

[0005] In order to solve the above technical problems, the utility model provides a drilling tool scraper auxiliary device, comprising:

[0006] Drilling tool body;

[0007] A mud scraper is provided with a mud scraping hole, through which the drill tool body passes; the mud scraper is used to preliminarily clean the mud on the surface of the drill tool body;

[0008] An elastic collar is sleeved on the drill tool body; the elastic collar is used for secondary cleaning of mud on the surface of the drill tool body;

[0009] The connecting rope has two ends connected to the mud scraper and the elastic collar respectively.

[0010] Preferably, the scraper and the elastic collar are arranged in sequence from bottom to top along the length direction of the drilling tool body.

[0011] Preferably, the mud scraper is provided with a group of connection holes corresponding to the connection rope;

[0012] The head end of the connecting rope passes through the connecting hole group so as to connect the connecting rope to the mud scraper, and the tail end of the connecting rope is fixedly connected to the elastic tie ring.

[0013] Preferably, the connecting rope is provided with a fixing point at a distance from its head end;

[0014] The head end of the connecting rope passes through the connecting hole group and is fixedly connected to the fixing point.

[0015] Preferably, the connection hole group includes a first connection hole and a second connection hole;

[0016] The first connecting hole and the second connecting hole are separated by a distance;

[0017] The head end of the connecting rope passes through the second connecting hole from top to bottom, and then passes through the first connecting hole from bottom to top, and then is fixedly connected to the connecting rope fixing point on the connecting rope.

[0018] Preferably, the scraping hole is located in the center of the scraper;

[0019] The connection hole group is located around the mud scraping hole.

[0020] Preferably, the number of the connecting ropes and the number of the connecting hole groups are both three;

[0021] Three connection hole groups are evenly arranged on the scraper.

[0022] Preferably, the connecting rope is a nylon rope.

[0023] Preferably, the elastic band is a rubber ring.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] The utility model discloses a drilling tool mud scraper auxiliary device which is simple to manufacture and easy to operate, increases the service life of the mud scraper, enhances the mud scraping efficiency, avoids frequent replacement of the mud scraper, and saves construction time; at the same time, it is conducive to further recycling of mud and saves construction cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0027] Figure 1 The utility model is a structural schematic diagram of a drilling tool scraper auxiliary device for drilling.

[0028] In the figure: 1-drilling tool body; 2-elastic collar; 3-connecting rope; 31-fixing point; 4-mud scraper; 41-mud scraper hole; 5-connecting hole group; 51-first connecting hole; 52-second connecting hole. DETAILED DESCRIPTION

[0029] Many specific details are described in the following description to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation disclosed below.

[0030] The terms used in one or more embodiments of this specification are only for the purpose of describing specific embodiments, and are not intended to limit one or more embodiments of this specification. The singular forms of "a", "said" and "the" used in one or more embodiments of this specification and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used in one or more embodiments of this specification refers to and includes any or all possible combinations of one or more associated listed items.

[0031] It should be understood that although the terms first, second, etc. may be used to describe various information in one or more embodiments of this specification, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of one or more embodiments of this specification, the first may also be referred to as the second, and similarly, the second may also be referred to as the first. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0032] The utility model is further described in detail below in conjunction with the accompanying drawings:

[0033] The utility model provides a drilling tool scraper auxiliary device for drilling, comprising:

[0034] Drilling tool body 1;

[0035] The scraper 4 is provided with a scraper hole 41, through which the drill body 1 passes; the scraper 4 is used to preliminarily clean the mud on the surface of the drill body 1;

[0036] The elastic collar 2 is sleeved on the drilling tool body 1; the elastic collar 2 is used for secondary cleaning of mud on the surface of the drilling tool body 1;

[0037] The connecting rope 3 has two ends connected to the mud scraper 4 and the elastic collar 2 respectively.

[0038] Preferably, the mud scraper 4 and the elastic collar 2 are arranged in sequence from bottom to top along the length direction of the drilling tool body 1 .

[0039] Preferably, the mud scraper 4 is provided with a connection hole group 5 corresponding to the connection rope 3;

[0040] The head end of the connecting rope 3 passes through the connecting hole group 5 so as to connect the connecting rope 3 to the mud scraper 4 , and the tail end of the connecting rope 3 is fixedly connected to the elastic tie ring 2 .

[0041] Preferably, the connecting rope 3 is provided with a fixing point 31 at a distance from its head end;

[0042] The head end of the connecting rope 3 passes through the connecting hole group 5 and is fixedly connected to the fixing point 31 .

[0043] Preferably, the connection hole group 5 includes a first connection hole 51 and a second connection hole 52;

[0044] The first connecting hole 51 and the second connecting hole 52 are separated by a distance;

[0045] The head end of the connecting rope 3 passes through the second connecting hole 52 from top to bottom, and then passes through the first connecting hole 51 from bottom to top, and then is fixedly connected to the connecting rope 3 fixing point 31 on the connecting rope 3.

[0046] Preferably, the scraping hole 41 is located at the center of the scraper 4;

[0047] The connection hole group 5 is located around the mud scraping hole 41 .

[0048] Preferably, the number of the connecting rope 3 and the number of the connecting hole groups 5 are both three;

[0049] Three connection hole groups 5 are evenly arranged on the mud scraper 4 .

[0050] Preferably, the connecting rope 3 is a nylon rope.

[0051] Preferably, the elastic band 2 is a rubber ring.

[0052] In order to better illustrate the technical effect of the present invention, the present invention provides the following specific embodiments to illustrate the above technical process:

[0053] Embodiment 1: A mud scraper auxiliary device for drilling tools, comprising an elastic collar 2, a nylon rope (connecting rope 3), and a mud scraper 4.

[0054] Installation method:

[0055] 1. Drill a hole in the middle of the scraper 4;

[0056] 2. Pass one end of the nylon rope through the hole of the scraper 4 and tie it tightly;

[0057] 3. Connect the other end of the nylon rope to the elastic ring 2 and tighten it.

[0058] Usage: put the scraper 4 and the auxiliary device on the wellbore, press the round bushing on the top, and when lifting the drill body 1, the scraper 4 and the auxiliary device scrape the mud on the surface of the drill body 1 to achieve the purpose of cleaning the surface of the drill body 1; at the same time, the scraped mud falls back into the wellbore for recycling.

[0059] When the drill tool body 1 is lifted, the scraper 4 will scrape off most of the mud on the surface of the drill tool, and the elastic collar 2 wraps the drill tool body 1. As the drill tool body 1 is slowly lifted, the surface of the drill tool body 1 is cleaned for a second time.

[0060] For example, in a certain place in Huainan, the drilling tools are frequently lifted during the construction process, and the scraper 4 needs to be used continuously. The auxiliary device is simple to manufacture and easy to operate, which increases the service life of the scraper 4, enhances the scraping efficiency, avoids frequent replacement of the scraper 4, and saves construction time; at the same time, it is conducive to further recycling of mud and saves construction costs.

[0061] The above is only a specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A drilling tool scraper auxiliary device, characterized in that: include: Drilling tool body (1); A mud scraper (4) is provided with a mud scraping hole (41), and the drilling tool body (1) passes through the mud scraping hole (41); the mud scraper (4) is used to preliminarily clean the mud on the surface of the drilling tool body (1); An elastic collar (2) is sleeved on the drilling tool body (1); the elastic collar (2) is used for secondary cleaning of mud on the surface of the drilling tool body (1); The connecting rope (3) has two ends connected to the mud scraper (4) and the elastic collar (2) respectively.

2. The drilling tool scraper auxiliary device according to claim 1, characterized in that: The mud scraper (4) and the elastic collar (2) are arranged in sequence from bottom to top along the length direction of the drilling tool body (1).

3. The drilling tool scraper auxiliary device according to claim 2, characterized in that: The mud scraper (4) is provided with a connection hole group (5) corresponding to the connection rope (3); The head end of the connecting rope (3) passes through the connecting hole group (5) so that the connecting rope (3) is connected to the mud scraper (4), and the tail end of the connecting rope (3) is fixedly connected to the elastic band ring (2).

4. The drilling tool scraper auxiliary device according to claim 3, characterized in that: The connecting rope (3) is provided with a fixing point (31) at a position some distance from the head end thereof; The head end of the connecting rope (3) passes through the connecting hole group (5) and is fixedly connected to the fixing point (31).

5. The drilling tool scraper auxiliary device according to claim 4, characterized in that: The connection hole group (5) comprises a first connection hole (51) and a second connection hole (52); The first connecting hole (51) and the second connecting hole (52) are spaced apart by a distance; The head end of the connecting rope (3) passes through the second connecting hole (52) from top to bottom, and then passes through the first connecting hole (51) from bottom to top, and is then fixedly connected to the connecting rope (3) fixing point (31) on the connecting rope (3).

6. The drilling tool scraper auxiliary device according to claim 5, characterized in that: The scraping hole (41) is located at the center of the scraper (4); The connection hole group (5) is located around the mud scraping hole (41).

7. The drilling tool scraper auxiliary device according to claim 6, characterized in that: The number of the connecting rope (3) and the number of the connecting hole groups (5) are both three; Three connection hole groups (5) are evenly arranged circumferentially on the mud scraper (4).

8. The drilling tool scraper auxiliary device according to claim 1, characterized in that: The connecting rope (3) is a nylon rope.

9. The drilling tool scraper auxiliary device according to claim 1, characterized in that: The elastic band ring (2) is a rubber ring.

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