CN216406779U - Drilling rod wall mud cleaning device - Google Patents

Abstract

The utility model relates to a drilling pipe wall mud cleaning device. The technical scheme is as follows: the upper side of the base of the opener is fixedly connected to the main body of the opener, the main body of the opener includes two sets of annular tubes, annular steel pipes and gas jet nozzles, one end of the two sets of annular tubes is movably connected through a shaft hinge, and the other One end is movably connected by a magnet block; the inner wall of each annular tube is respectively provided with an annular steel pipe, the inner wall of the annular steel pipe is distributed with a plurality of gas jet nozzles, and the outer end of the annular steel pipe is connected to a high-pressure gas transmission pipe. The base consists of two sets of bottom plates, and the two sets of bottom plates are respectively welded and fixed with two sets of annular cylinders. The beneficial effects are: the utility model has a double-opening structure. When tripping out, after opening the elevator and lifting the drilling tool, the device is clamped into the wellhead, the magnets at the two openings are attracted and closed, and the main gas source switch is turned on, so that the blowing can be realized. Sweep the mud on the wall of the drill pipe; the blown mud will fall into the wellhead along the leakage hole, and the mud will be directly recycled and used to achieve a thorough and clean effect.

Description

Drill pipe wall mud cleaning device

technical field

The utility model relates to an auxiliary device for oil drilling, in particular to a drilling pipe wall mud cleaning device.

Background technique

At present, in the oil drilling industry, especially during tripping, the outer wall of the drill pipe will adhere to a part of the mud, so during each tripping process, the second floor of the drilling platform will be muddy, and the drilling workers are prone to slipping. Accidents and other accidents bring hidden dangers. Therefore, during the tripping process, it is necessary to scrape the mud on the outer wall of the drill pipe. The existing method is generally to use a rubber mud scraper, but the rubber mud scraper is troublesome to install, delays the production time, and requires different sizes of drilling tools. Use mud scrapers of different specifications to switch back and forth to reduce the production time. A little carelessness or improper operation will lead to the risk of falling into the well sealer. Since it is a rubber product, the amount of solid waste will increase after it is scrapped.

For example, the publication number of the Chinese patent document is CN201820961376.2, and the patent name is "A Drilling Tool Surface Drilling Fluid Cleaner". The cleaner includes: an overflow prevention pipe, and the overflow prevention is provided with a number of air injection holes, and the The height of the air injection hole is higher than the interface of the grouting pipeline communicated with the overflow prevention pipe by a predetermined distance. A liquid sensor for detecting whether there is sputtered drilling fluid on the block, the liquid sensor; a gas transmission ring, which is communicated with the gas injection holes through a number of short pipes; and a gas transmission pipe, the gas transmission pipe The outlet end of the gas transmission pipe is communicated with the gas transmission ring, the inlet end of the gas transmission pipe is communicated with one end of the electric valve, the other end of the electric valve is communicated with a gas source, and the electric valve is electrically connected to the liquid sensor. connect. The beneficial effect of the utility model is that the drilling tool is automatically cleaned when the drilling tool is tripped. The existing problems are: the installation is limited, the drill pipe can only be socketed, and the movement is inconvenient.

Utility model content

The purpose of this utility model is to provide a drill pipe wall mud cleaning device in view of the above-mentioned defects in the prior art. The utility model has a double-opening structure. When tripping out, after opening the elevator and lifting the drilling tool, the device is clamped. At the entrance of the well, the magnets on the opposite sides are attracted, and the main switch of the gas source is turned on, and the mud on the wall of the drill pipe can be purged; and the blown mud will fall into the wellhead along the leakage hole, and the mud can be directly recovered and used for continuous use. Cleans up thoroughly and cleanly.

The utility model relates to a drill pipe wall mud cleaning device, the technical scheme of which is: comprising an opener main body, an opener base (2), a shaft hinge (4), a high-pressure gas transmission pipe (6), a magnet block (10), the upper side of the opener base (2) is fixedly connected to the opener main body, and the opener main body includes two sets of annular cylinders (1), annular steel pipes (7) and gas jet nozzles (8) ), one end of the two sets of annular cylinders (1) is movably connected through the shaft hinge (4), and the other end is movably connected through the magnet block (10). A plurality of gas jet nozzles (8) are distributed on the inner wall of the annular steel pipe (7), the outer end of the annular steel pipe (7) is connected to the high-pressure gas pipeline (6), and the high-pressure gas passes through the gas jets distributed on the annular steel pipe (7). The nozzle (8) is sprayed toward the center; the opener base (2) is composed of two sets of bottom plates, the two sets of bottom plates are respectively welded and fixed with two sets of annular cylinders (1), and the center of each set of bottom plates is respectively provided with a semicircle hole (2.1), and a liquid baffle (2.2) is arranged at the edge of the semicircular hole (2.1), and a plurality of leakage holes (2.3) are distributed inside the semicircular hole (2.1).

Preferably, the outer ends of the annular steel pipes (7) in a group of annular cylinders (1) are connected to the gas injection tee (9), and the air inlet of the gas injection tee (9) is connected to the gas transmission main pipe, the first The outlet is connected to one end of the high-pressure gas pipe (6), and the second outlet is connected to a group of annular cylinders (1).

Preferably, the other end of the above-mentioned high-pressure gas transmission pipe (6) is connected to the end of another group of annular cylinders (1) through a bend (5).

Preferably, the two bottom plates of the above-mentioned opener base (2) are respectively provided with opener welding limits (2.4), and the opener welding limits (2.4) are semicircular structures, used for Weld the bottom ends of the two annular barrels (1) of the opener body.

Preferably, handles (3) are respectively installed on the outer walls of the above-mentioned annular cylinder (1).

Preferably, the inner diameter of the above-mentioned annular cylinder (1) is larger than the inner diameter of the semicircular hole (2.1) of the bottom plate, and the liquid leakage hole (2.3) and the gas jet nozzle (8) are staggered.

The beneficial effects of the utility model are as follows: the utility model is used for the tripping operation in the drilling construction process, and the device is a double-opening structure. When tripping out, after opening the elevator and lifting the drilling tool, the device is clamped into the wellhead, The magnet on the opposite side is closed, and the main switch of the air source is turned on, and the mud on the wall of the drill pipe can be purged; the blown mud will fall into the wellhead along the leakage hole, and the mud will be directly recovered and used, so as to achieve a thorough and clean cleaning. Effectively, the loss of drilling fluid during tripping is greatly reduced, the wall of the drill pipe is kept clean, and the hidden danger of accidents caused by the slippage of the attached drilling fluid in the operation of the second-floor platform is eliminated.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the side structure schematic diagram of the present utility model;

Fig. 3 is the structural representation of the top view direction of the present utility model;

Fig. 4 is the structural representation of the base of the opener;

In the above picture: annular cylinder 1, opener base 2, handle 3, shaft hinge 4, elbow 5, high-pressure gas pipeline 6, annular steel pipe 7, gas jet nozzle 8, gas injection tee 9, magnet block 10, Semicircular hole 2.1, liquid baffle 2.2, leakage hole 2.3, opener welding limit 2.4.

Detailed ways

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, but not to limit the present utility model.

Embodiment 1, with reference to Figures 1-4, a drill pipe wall mud cleaning device mentioned in the present utility model includes an opener main body, an opener base 2, a shaft hinge 4, a high-pressure gas transmission pipe 6, and a magnet block 10. , the upper side of the said opener base 2 is fixedly connected to the opener main body, the said opener main body includes two groups of annular cylinders 1, annular steel pipes 7 and gas jet nozzles 8, one end of the two groups of annular cylinders 1 passes through the shaft The hinge 4 is movably connected, and the other end is movably connected through the magnet block 10; the inner wall of each annular tube 1 is respectively provided with an annular steel pipe 7, and the inner wall of the annular steel pipe 7 is distributed with a plurality of gas jet nozzles 8. The outer end is connected to the high-pressure gas transmission pipe 6, and the high-pressure gas is sprayed to the center through the gas jet nozzles 8 distributed on the annular steel pipe 7; the opener base 2 is composed of two groups of bottom plates, and the two groups of bottom plates are respectively welded with two groups of annular cylinders 1. Fixed, the center of each base plate is respectively provided with a semicircular hole 2.1, and the edge of the semicircular hole 2.1 is provided with a liquid baffle 2.2, and a plurality of leakage holes 2.3 are distributed inside the semicircular hole 2.1.

Preferably, the outer ends of the annular steel pipes 7 in a group of annular cylinders 1 are connected to the gas injection tee 9 , the air inlet of the gas injection tee 9 is connected to the gas transmission main pipe, and the first outlet is connected to the high pressure gas transmission pipe 6 . At one end, the second outlet is connected to a set of annular cartridges 1 .

Preferably, the other end of the above-mentioned high-pressure gas transmission pipe 6 is connected to the end of the other group of annular cylinders 1 through the elbow 5 .

Preferably, the two bottom plates of the above-mentioned opener base 2 are respectively provided with an opener welding limit 2.4, and the opener welding limit 2.4 is a semicircular structure, which is used for welding the main body of the opener. The bottom ends of the two annular cylinders 1 .

Preferably, handles 3 are respectively installed on the outer walls of the above-mentioned annular cylinders 1 .

Preferably, the inner diameter of the above-mentioned annular cylinder 1 is larger than the inner diameter of the semicircular hole 2.1 of the bottom plate, and the liquid leakage hole 2.3 and the gas jet nozzle 8 are arranged alternately.

When the utility model is in use, when tripping out, the magnet block is opened, so that the two opener main bodies of the utility model are unfolded, the operator installs it at the wellhead through the handle 3, clamps it on the drill pipe, and then passes the magnet The blocks are fixed together. At this time, according to the needs of the site, the high-pressure gas is input into the two sets of annular steel pipes 7 through the gas transmission main pipe, and then ejected through the gas jet nozzle 8, so as to blow away the mud on the wall of the drill pipe and blow it off. The mud will fall into the wellhead along the leakage hole 2.3, and the mud will be directly recycled and used to achieve a thorough and clean effect, greatly reducing the loss of drilling fluid during tripping, and at the same time ensuring the cleanliness of the drill pipe wall, eliminating the need for The hidden danger of accidents caused by the slippage of the attached drilling fluid in the operation of the second-layer platform.

Embodiment 2, a drill pipe wall mud cleaning device mentioned in this utility model includes an opener main body, an opener base 2, a shaft hinge 4, a high-pressure gas pipeline 6, and a magnet block 10. The upper side of the base 2 is fixedly connected to the main body of the opener, and the main body of the opener includes two sets of annular cylinders 1, annular steel pipes 7 and gas jet nozzles 8, and one end of the two sets of annular cylinders 1 is movably connected through the shaft hinge 4, The other end is movably connected by the magnet block 10; the inner wall of each annular tube 1 is respectively provided with an annular steel pipe 7, the inner wall of the annular steel pipe 7 is distributed with a plurality of gas jet nozzles 8, and the outer end of the annular steel pipe 7 is connected to the high-pressure gas pipeline 6. The high-pressure gas is sprayed toward the center through the gas jet nozzles 8 distributed on the annular steel pipe 7; the said opener base 2 is composed of two groups of bottom plates, and the two groups of bottom plates are respectively welded and fixed with the two groups of annular cylinders 1, and each group of bottom plates is welded and fixed. A semicircular hole 2.1 is respectively provided in the center, and a liquid baffle 2.2 is provided at the edge of the semicircular hole 2.1, and a plurality of leakage holes 2.3 are distributed inside the semicircular hole 2.1.

The difference from Embodiment 1 is that the outer wall of the annular cylinder 1 does not need to install the handle 3, and the basic functions of the present invention can also be realized.

The mud is directly recovered and continued to be used to achieve the effect of thorough and clean cleaning, greatly reducing the loss of drilling fluid during tripping, and at the same time ensuring the cleanliness of the drill pipe wall, eliminating the accident caused by the slippage of the attached drilling fluid during the operation of the second floor platform hidden danger.

The above are only preferred embodiments of the present invention, and any person skilled in the art may modify the present invention by using the technical solutions described above or modify them into equivalent technical solutions. Therefore, any simple modification or equivalent transformation made according to the technical solution of the present invention falls within the protection scope of the present invention.

Claims (6)

1. The utility model provides a drilling rod wall mud cleaning device which characterized by: the device comprises an opener main body, an opener base (2), a shaft hinge (4), a high-pressure gas pipe (6) and a magnet block (10), wherein the upper side of the opener base (2) is fixedly connected with the opener main body, the opener main body comprises two groups of annular cylinders (1), annular steel pipes (7) and a gas jet nozzle (8), one ends of the two groups of annular cylinders (1) are movably connected through the shaft hinge (4), and the other ends of the two groups of annular cylinders are movably connected through the magnet block (10); the inner wall of each annular cylinder (1) is provided with an annular steel pipe (7), the inner wall of each annular steel pipe (7) is distributed with a plurality of gas jet nozzles (8), the outer end of each annular steel pipe (7) is connected with a high-pressure gas conveying pipe (6), and high-pressure gas is sprayed to the center through the gas jet nozzles (8) distributed on the annular steel pipes (7); the ware base that opens and shuts (2) constitute by two sets of bottom plates, two sets of bottom plates respectively with two sets of annular section of thick bamboo (1) welded fastening, the center of every group bottom plate is equipped with semicircular hole (2.1) respectively, and is equipped with in the edge of semicircular hole (2.1) and keeps off liquid board (2.2), in a plurality of weeping holes of the inboard distribution of semicircular hole (2.1) (2.3).

2. The pipe wall mud cleaning apparatus of claim 1, wherein: the outer end of an annular steel pipe (7) in the group of annular cylinders (1) is communicated with a gas injection tee joint (9), the gas inlet of the gas injection tee joint (9) is connected to a gas transmission main pipe, a first outlet is connected to one end of a high-pressure gas transmission pipe (6), and a second outlet is connected to the group of annular cylinders (1).

3. The pipe wall mud cleaning apparatus of claim 2, wherein: the other end of the high-pressure gas pipe (6) is connected to the end part of the other group of annular cylinders (1) through an elbow (5).

4. The pipe wall mud cleaning apparatus of claim 1, wherein: the two bottom plates of the opener base (2) are respectively provided with opener welding limits (2.4), and the opener welding limits (2.4) are of a semicircular structure and are used for welding the bottom ends of the two annular cylinders (1) of the opener main body.

5. The pipe wall mud cleaning apparatus of claim 1, wherein: the outer wall of the annular cylinder (1) is respectively provided with a handle (3).

6. The pipe wall mud cleaning apparatus of claim 1, wherein: the inner diameter of the annular cylinder (1) is larger than that of the semicircular hole (2.1) of the bottom plate, and the liquid leakage holes (2.3) and the gas jet nozzles (8) are arranged in a staggered mode.

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