CN216077030U - Gas lift reverse circulation drilling device - Google Patents
Gas lift reverse circulation drilling device Download PDFInfo
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- CN216077030U CN216077030U CN202121115199.4U CN202121115199U CN216077030U CN 216077030 U CN216077030 U CN 216077030U CN 202121115199 U CN202121115199 U CN 202121115199U CN 216077030 U CN216077030 U CN 216077030U
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- circulation drilling
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Abstract
The utility model discloses a gas-lift reverse circulation drilling device which comprises a gas supply device, a first gas inlet pipe, a second gas inlet pipe, a drill rod and a slag discharge pipe, wherein the gas supply device is used for supplying a gas medium, the first end of the first gas inlet pipe is connected with the gas supply device, the second gas inlet pipe is connected with the second end of the first gas inlet pipe, part of the drill rod is sleeved in the second gas inlet pipe, the other part of the drill rod is exposed out of the upper end of the second gas inlet pipe, the first end of the slag discharge pipe is connected with the drill rod, and the second end of the slag discharge pipe is connected with a slag deposition device. The gas lift reverse circulation drilling device provided by the embodiment of the utility model has the advantages of simple structure and long service life.
Description
Technical Field
The utility model relates to the technical field of gas lift reverse circulation hydrographic water well drilling, in particular to a gas lift reverse circulation drilling device.
Background
In the related art, an air intake pipe in the gas lift reverse circulation drilling apparatus is provided in the drill pipe to ventilate the inside of the drill hole and to make the mud and sand flow upward and be discharged along between the drill pipe and the air intake pipe, the amount of the discharged mud and sand are small and the drill pipe is easily worn, and in the related art, the gas lift reverse circulation drilling apparatus has no structure to prevent the mud and sand from flowing back.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the utility model provides the gas-lift reverse circulation drilling device which is simple in structure and long in service life.
According to the embodiment of the utility model, the gas lift reverse circulation drilling device comprises:
a gas supply for providing a gaseous medium;
the first end of the first air inlet pipe is connected with the air supply device;
the second air inlet pipe is connected with the second end of the first air inlet pipe;
part of the drill rod is sleeved in the second air inlet pipe, and the other part of the drill rod is exposed out of the upper end of the second air inlet pipe;
and the first end of the slag discharging pipe is connected with the drill rod, and the second end of the slag discharging pipe is connected with the slag settling device.
The gas lift reverse circulation drilling device provided by the embodiment of the utility model has the advantages of simple structure and long service life.
In some embodiments, the gas lift reverse circulation drilling apparatus further comprises a first valve disposed on the first gas inlet pipe.
In some embodiments, the gas lift reverse circulation drilling apparatus further comprises a second valve spaced from the first valve on the first intake pipe.
In some embodiments, the gas-lift reverse circulation drilling device further comprises a power head, and the power head is respectively connected with the drill rod and the slag discharge pipe.
In some embodiments, the gas lift reverse circulation drilling device further comprises a U-shaped pipe, and the power head is connected with the slag discharge pipe through the U-shaped pipe.
In some embodiments, the gas lift reverse circulation drilling device further comprises a support frame, and the power head is arranged on the support frame.
In some embodiments, the slag discharging pipe comprises a first sub pipe and a second sub pipe, a first end of the first sub pipe is connected with the drill rod, a second end of the first sub pipe is connected with a first end of the second sub pipe, and a second end of the second sub pipe is connected with the slag settling device.
In some embodiments, the slag discharge pipe further comprises an arc-shaped pipe, and the arc-shaped pipe is respectively connected with the first sub-pipe and the second sub-pipe.
In some embodiments, the gas lift reverse circulation drilling apparatus further comprises a third valve disposed on the first sub-pipe.
In some embodiments, the second valve is a ball valve.
Drawings
Fig. 1 is a schematic structural diagram of a gas lift reverse circulation drilling device according to an embodiment of the utility model.
Reference numerals:
a gas lift reverse circulation drilling apparatus 1000,
the device comprises a gas supply device 10, a first gas inlet pipe 20, a second gas inlet pipe 30, a drill rod 40, a slag discharge pipe 50, a first sub-pipe 501, a second sub-pipe 502, an arc-shaped pipe 503, a slag settling device 60, a first valve 70, a second valve 80, a U-shaped pipe 90, a power head 100, a support frame 110, a third valve 120 and a drill hole 130.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
As shown in fig. 1, the gas lift reverse circulation drilling device 1000 according to the embodiment of the present invention includes a gas supply device 10, a first gas inlet pipe 20, a second gas inlet pipe 30, a drill pipe 40, and a slag discharge pipe 50, wherein the gas supply device 10 is used for supplying a gas medium. A first end of the first intake pipe 20 (the left end of the first intake pipe 20 as shown in fig. 1) is connected to the gas supply device 10.
The second intake pipe 30 is connected to a second end of the first intake pipe 20 (the right end of the first intake pipe 20 as shown in fig. 1).
Part of the drill rod 40 is sleeved in the second air inlet pipe 30, and the other part of the drill rod 40 is exposed out of the upper end of the second air inlet pipe 30. A first end of the slag discharging pipe 50 (the left end of the slag discharging pipe 50 shown in fig. 1) is connected to the drill rod 40, and a second end of the slag discharging pipe 50 (the right end of the slag discharging pipe 50 shown in fig. 1) is connected to the sediment device 60.
As shown in fig. 1, according to the gas lift reverse circulation drilling device 1000 of the present application, a portion of the second air inlet pipe 30 is located in the drill hole 130, the air supply device 10 supplies an air medium into the second air inlet pipe 30 through the first air inlet pipe 20, preferably, the air supply device 10 is used for supplying compressed air into the second air inlet pipe 30, and after the compressed air enters the second air inlet pipe 30, the compressed air pressurizes slurry in the drill hole 130, so that the slurry flows to the slag discharge pipe 50 through the drill rod 40, and is discharged into the slag settling device 60 through the slag discharge pipe 50 for settling. Wherein, the clear water precipitated by the sediment device 60 can be discharged into the drill hole 130 again for utilization.
According to the gas lift reverse circulation drilling device 1000 of the embodiment of the utility model, compressed air is pressurized to slurry in the drill hole 130 from the outer periphery side of the drill rod 40, so that the slurry can enter the slag discharge pipe 50 from the drill rod 40, the inner wall of the second air inlet pipe 30 can be protected, and the service life of the second air inlet pipe 30 is prolonged.
Therefore, the gas lift reverse circulation drilling device 1000 according to the embodiment of the utility model has the advantages of simple structure and long service life.
In some embodiments, the gas lift reverse circulation drilling apparatus 1000 further comprises a first valve 70, the first valve 70 being disposed on the first intake pipe 20.
According to the gas lift reverse circulation drilling device 1000 of the embodiment of the utility model, the flow rate of the compressed air entering the second air pipe can be controlled through the first valve 70, so that the pressure applied to the slurry can be controlled, and the discharge speed of the slurry can be controlled.
In some embodiments, the gas lift reverse circulation drilling apparatus 1000 further comprises a second valve 80, and the second valve 80 is spaced apart from the first valve 70 on the first intake pipe 20.
According to the gas lift reverse circulation drilling apparatus 1000 of the embodiment of the present invention, the second valve 80 is provided in the first intake pipe 20 at a distance from the first valve 70, so that the flow rate of the compressed air supplied from the air supply device can be further controlled, and the discharge rate of the slurry can be further controlled.
In some embodiments, the powerhead 100 is coupled to the slag line 50 via a U-tube 90.
According to the gas lift reverse circulation drilling device 1000 provided by the embodiment of the utility model, the power head 100 is connected with the slag discharge pipe 50 through the U-shaped pipe 90, so that the backflow phenomenon can be effectively prevented from occurring in the slurry discharge process, the slurry discharge speed is reduced, and even the slurry discharge is stopped.
In some embodiments, the gas lift reverse circulation drilling apparatus 1000 further comprises a support frame 110 and a power head 100, wherein the power head 100 is mounted on the support frame 110, and the end of the drill rod 40 exposed to the drill hole 130 is provided on the power head 100.
According to the gas-lift reverse circulation drilling device 1000 of the embodiment of the utility model, the drill rod 40 can be fixed through the support frame 110 and the power head 100 so as to facilitate the installation and replacement of the drill rod 40, for example, the power head 100 and the support frame are connected in a pivoting manner, and the power head 100 is movably arranged on the support frame 110 in the up-and-down direction so as to facilitate the installation of the drill rod 40.
In some embodiments, the slag discharge pipe 50 includes a first sub-pipe 501, a second sub-pipe 502, and an arc pipe 503, wherein a first end of the first sub-pipe 501 (the left end of the first sub-pipe 501 shown in fig. 1) is connected to the drill pipe 40, a second end of the first sub-pipe 501 (the right end of the first sub-pipe 501 shown in fig. 1) is connected to a first end of the arc pipe 503, a second end of the arc pipe 503 is connected to a first end of the second sub-pipe 502 (the left end of the second sub-pipe 502 shown in fig. 1), and a second end of the second sub-pipe 502 is connected to the slag settling device 60.
According to the gas lift reverse circulation drilling device 1000 provided by the embodiment of the utility model, the first sub-pipe 501 and the second sub-pipe 502 are connected through the arc-shaped pipe 503, so that backflow of slurry in the slurry discharging process can be further prevented, and the second sub-pipe 502 extends downwards, so that the slurry entering the second sub-pipe 502 can be automatically discharged through gravity. It is understood that the arced tube 503 may be a gooseneck.
In some embodiments, a third valve 120 is further included, the third valve 120 being disposed on the first sub-pipe 501.
According to the gas lift reverse circulation drilling device 1000 provided by the embodiment of the utility model, the backflow of the slurry can be further prevented in the slurry discharging process through the arrangement of the third valve 120.
In some embodiments, the first valve 70, the second valve 80, and the third valve 120 are ball valves.
It will be appreciated that the ball valve has wear resistance, which reduces downtime and maintenance time during use of the gas lift reverse circulation drilling apparatus 1000 of the present application. Meanwhile, the ball valve has good sealing performance, and can effectively prevent mud (silt) from flowing backwards in the discharge process.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A gas lift reverse circulation drilling device, comprising:
a gas supply for providing a gaseous medium;
the first end of the first air inlet pipe is connected with the air supply device;
the second air inlet pipe is connected with the second end of the first air inlet pipe;
part of the drill rod is sleeved in the second air inlet pipe, and the other part of the drill rod is exposed out of the upper end of the second air inlet pipe;
and the first end of the slag discharging pipe is connected with the drill rod, and the second end of the slag discharging pipe is connected with the slag settling device.
2. The gas-lift reverse circulation drilling apparatus according to claim 1, further comprising a first valve provided on the first intake pipe.
3. The gas lift reverse circulation drilling apparatus of claim 2, further comprising a second valve spaced from the first valve on the first gas inlet line.
4. The gas-lift reverse circulation drilling device according to claim 1, further comprising a power head, wherein the power head is connected with the drill rod and the deslagging pipe respectively.
5. The gas lift reverse circulation drilling device according to claim 4, further comprising a U-shaped pipe, wherein the power head is connected with the slag discharge pipe through the U-shaped pipe.
6. The gas lift reverse circulation drilling device of claim 5, further comprising a support frame, wherein the power head is disposed on the support frame.
7. The gas lift reverse circulation drilling device according to claim 1, wherein the deslagging pipe comprises a first sub pipe and a second sub pipe, a first end of the first sub pipe is connected with the drill pipe, a second end of the first sub pipe is connected with a first end of the second sub pipe, and a second end of the second sub pipe is connected with the slag settling device.
8. The gas lift reverse circulation drilling device according to claim 7, wherein the deslagging pipe further comprises an arc-shaped pipe, and the arc-shaped pipe is respectively connected with the first sub-pipe and the second sub-pipe.
9. The gas-lift reverse circulation drilling apparatus according to claim 8, further comprising a third valve provided on the first sub-pipe.
10. A gas lift reverse circulation drilling apparatus according to claim 9, wherein the second valve is a ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121115199.4U CN216077030U (en) | 2021-05-21 | 2021-05-21 | Gas lift reverse circulation drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121115199.4U CN216077030U (en) | 2021-05-21 | 2021-05-21 | Gas lift reverse circulation drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216077030U true CN216077030U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121115199.4U Active CN216077030U (en) | 2021-05-21 | 2021-05-21 | Gas lift reverse circulation drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216077030U (en) |
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2021
- 2021-05-21 CN CN202121115199.4U patent/CN216077030U/en active Active
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