CN220336821U - A geophysical drilling well deviation prevention device - Google Patents

Abstract

The utility model belongs to the technical field of drilling devices. Specifically, it is a geophysical drilling well deviation prevention device, which includes a support plate. The support plate is fixed on the ground through anchor rods. The surface of the support plate is provided with openings. Two semi-annular guide tubes are installed inside the opening, and several grooves are provided on the side walls of the guide tubes. A support assembly is installed inside the grooves, and the support assembly includes a support arm; the utility model By aligning the guide tube and inserting it into the inside of the opening, the drill pipe is guided and supported, thereby reducing the deflection of the drilling hole. The hydraulic rod is used to push the support wall to rotate against the inner wall of the borehole, thereby fully supporting the support wall. Compared with Compared with the existing technology, the overall guiding effect of the guide tube is improved.

Description

A geophysical drilling well deviation prevention device

Technical field

The utility model relates to the technical field of drilling devices, specifically a device for preventing well deviation in geophysical drilling.

Background technique

In the process of oil extraction, geophysical drilling work is required to reach the oil layer and extract oil. In the existing technology, a drilling device is often required for drilling. Generally, power equipment is used to drive the drilling rod to rotate and move downward to drive the drill bit to drill to the surface. However, in the process of geophysical drilling, due to the long drilling rod, it is easy to cause the drilling rod to be skewed, and the drill bit to drill can easily lead to well deviation. , which is not conducive to oil exploration.

The existing Chinese patent with announcement number: discloses a drilling device with the function of preventing well deviation, which includes a ground. A support plate is installed on the upper end of the ground. A pipeline trough is provided in the support plate. The support plate is A support sleeve is provided at the lower end. A guide tube is slidably connected in the support sleeve. A limit seat is fixedly connected to the outer side of the upper end of the guide tube. The limit seat engages with the support plate. A guide tube is slidably connected in the guide tube. A drilling rod is fixedly connected to the outside of the guide column, a connecting sleeve is installed at the lower end of the drilling rod, and bolts are installed in the connecting sleeve.

In view of the above and existing related technologies, the inventor believes that there are often the following defects: there is a certain gap between the lower part of the guide tube of the device and the inner wall of the drill hole, and there is a certain deformation space, so that the lower part of the guide tube has a supporting and guiding effect on the drill pipe. It is weak and has poor use effect and needs to be improved; therefore, a geophysical drilling anti-deviation device is proposed to address the above problems.

Utility model content

In order to make up for the shortcomings of the existing technology and solve the above-mentioned technical problems, the utility model proposes a geophysical drilling well deviation prevention device.

The technical solution adopted by this utility model to solve the technical problem is: a geophysical drilling well deviation prevention device described in this utility model includes a support plate, which is fixed on the ground through anchor rods. There is an opening on the surface, and two semi-annular guide tubes are installed inside the opening. The inner wall of the guide tube is fitted with a drill rod, and the side wall of the guide tube is provided with several grooves. A support component is installed inside the groove. The support component includes a support arm. The support arm is installed inside the groove through axle rotation. Several installation grooves are respectively provided at the intersection of the two guide barrels. A fastening assembly is installed inside the mounting slot. The fastening assembly includes a mounting base one and a mounting base two. The mounting base one and the mounting base two are respectively fixedly connected to the two guide tubes, and the top of the guide tube is fixedly connected. There are hanging rings.

Preferably, the support assembly further includes a hydraulic rod, the hydraulic rod is rotatably installed inside the groove through a shaft, and the driving end of the hydraulic rod is rotatably connected to the support arm through the shaft.

Preferably, a chute is provided on the upper side wall of the support arm, a pressure sensor is fixedly connected to the inner wall of the chute, and the pressure sensor is electrically connected to the hydraulic rod.

Preferably, an extrusion block is slidably connected to the inside of the chute.

Preferably, a plurality of telescopic rods are fixedly connected to the surface of the mounting base one, and a tension spring is set on the outside of the telescopic rod. One end of the telescopic rod is fixedly connected to a positioning post, and the positioning post is made of ferromagnetic material. The two ends of the tension spring are fixedly connected to the positioning column and the mounting base respectively.

Preferably, the surface of the mounting base 2 is provided with several positioning openings.

Preferably, the fastening assembly further includes several electromagnets, a waterproof cover can be installed on the outside of the electromagnets to achieve waterproofing, and the electromagnets are fixedly installed inside the installation slot.

The benefits of this utility model are:

1. This utility model guides and supports the drill pipe by aligning the guide tube and inserting it into the inside of the opening, thereby reducing the deflection of the drilling. The hydraulic rod pushes the support wall to rotate against the inner wall of the drill hole, thereby comprehensively supporting the support wall. Compared with the existing technology, the support improves the overall guiding effect of the guide tube.

2. This utility model absorbs the positioning post through the electromagnet, inserts the positioning post into the inside of the positioning port, and then quickly connects the two guide cylinders to improve the overall pressure resistance. By closing the electromagnet, the positioning post exits the positioning through the tension spring. The guide tube can be quickly disassembled for easy use.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting any creative effort.

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a partial cross-sectional view of the guide tube of the utility model;

Figure 3 is a schematic diagram of the structure A of Figure 2 of the present invention;

Figure 4 is a schematic diagram of the deployment structure of the support arm of the present utility model;

Figure 5 is a schematic structural diagram of the fastening assembly of the present invention.

In the picture: 1. Support plate; 2. Guide cylinder; 3. Groove; 4. Support component; 41. Support arm; 42. Hydraulic rod; 43. Slide; 44. Extrusion block; 45. Pressure sensor; 5 , installation slot; 6. Fastening components; 61. Mounting seat one; 62. Mounting seat two; 63. Telescopic rod; 64. Tension spring; 65. Positioning post; 66. Positioning port; 67. Electromagnet; 7. Drill pole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figure 1-5. A geophysical drilling well deviation prevention device includes a support plate 1. The support plate 1 is fixed on the ground through anchor rods. There is an opening on the surface of the support plate 1, and two holes are installed inside the opening. Semi-annular guide tube 2. The inner wall of the guide tube 2 is fitted with a drill pipe 7. The side walls of the guide tube 2 are provided with several grooves 3. A support component 4 is installed inside the groove 3. The support component 4 includes The support arm 41 is installed inside the groove 3 through axis rotation. Several mounting slots 5 are respectively provided at the intersection of the two guide tubes 2. Fastening components 6 are installed inside the mounting slots 5. The fastening components 6 includes a first mounting base 61 and a second mounting base 62. The first mounting base 61 and the second mounting base 62 are fixedly connected to the two guide tubes 2 respectively. The top of the guide tube 2 is fixedly connected with a lifting ring, so that the guide tube 2 can be lifted and installed. The support plate 1 is installed on the ground, and the drill pipe 7 is drilled through the opening. By aligning the guide tube 2 and inserting it into the inside of the opening, the drill pipe 7 is guided and supported, thereby reducing the deflection of the drilling.

The support assembly 4 also includes a hydraulic rod 42. The hydraulic rod 42 is installed inside the groove 3 through a shaft rotation, and the driving end of the hydraulic rod 42 is rotationally connected to the support arm 41 through a shaft. This device is suitable for geology such as hard rocks. In oil extraction, the hydraulic rod 42 is used to push the support wall to rotate against the inner wall of the borehole, thereby fully supporting the support wall. Compared with the existing technology, the overall guiding effect of the guide tube 2 is improved.

A chute 43 is provided on the upper side wall of the support arm 41. A pressure sensor 45 is fixedly connected to the inner wall of the chute 43, and the pressure sensor 45 is electrically connected to the hydraulic rod 42. The pressure sensor 45 detects the pressure between the extrusion block 44 and the inner wall of the borehole. pressure, and control the operation of the hydraulic rod 42 in real time to adjust the rotation amplitude of the support wall.

An extrusion block 44 is slidably connected to the inside of the chute 43 .

A number of telescopic rods 63 are fixedly connected to the surface of the mounting base 61. A tension spring 64 is set on the outside of the telescopic rod 63. One end of the telescopic rod 63 is fixedly connected to a positioning post 65, and the positioning post 65 is made of ferromagnetic material. Both ends of the tension spring 64 are fixedly connected to the positioning post 65 and the mounting base 61 respectively. After the guide cylinder 2 is aligned, the electromagnet 67 is operated to absorb the positioning post 65, so that the positioning post 65 is inserted into the inside of the positioning opening 66, and then the two guide tubes are aligned. The barrel 2 is quickly connected to improve the overall pressure resistance, and by closing the electromagnet 67, the positioning post 65 exits the positioning opening 66 through the tension spring 64, and the guide barrel 2 can be quickly disassembled for convenient use.

A number of positioning openings 66 are provided on the surface of the second mounting base 62 .

The fastening component 6 also includes several electromagnets 67 . A waterproof cover can be installed on the outside of the electromagnets 67 to achieve waterproofing. The electromagnets 67 are fixedly installed inside the installation groove 5 .

Each component in this device is controlled by a PLC control system.

Working principle, the support plate 1 is installed on the ground, the drill pipe 7 is drilled through the opening, and the drill pipe 7 is guided and supported by aligning the guide tube 2 and inserting it into the inside of the opening, thereby reducing the deflection of the drilling, and hydraulically The rod 42 pushes the support wall to rotate against the inner wall of the drill hole, thereby fully supporting the support wall. Compared with the existing technology, the overall guiding effect of the guide cylinder 2 is improved. The pressure sensor 45 detects the contact between the extrusion block 44 and the drill hole. pressure on the inner wall, and control the operation of the hydraulic rod 42 in real time to adjust the rotation amplitude of the support wall;

After the guide cylinders 2 are aligned, run the electromagnet 67 to absorb the positioning post 65, so that the positioning post 65 is inserted into the inside of the positioning opening 66, and then the two guide cylinders 2 are quickly connected to improve the overall pressure resistance, and by closing the electromagnet 67, The positioning post 65 exits the positioning opening 66 through the tension spring 64, and the guide tube 2 can be quickly disassembled for convenient use.

In the description of this specification, reference to the terms "one embodiment," "example," "specific example," etc., means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in the invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles, main features and advantages of the present utility model are shown and described above. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model can be There will also be various changes and improvements in the new model, and these changes and improvements all fall within the scope of the claimed utility model.

Claims (7)

1. A geophysical drilling well deviation prevention device, including a support plate (1), which is fixed on the ground through anchor rods, and is characterized in that: the surface of the support plate (1) is provided with openings, Two semi-annular guide tubes (2) are installed inside the opening. The inner wall of the guide tube (2) is fitted with a drill pipe (7). The side wall of the guide tube (2) is provided with a drill pipe (7). Several grooves (3), a support assembly (4) is installed inside the groove (3), the support assembly (4) includes a support arm (41), and the support arm (41) is installed through a shaft rotation Inside the groove (3), several installation slots (5) are respectively opened at the intersection of the two guide tubes (2), and fastening components (6) are installed inside the installation slots (5). The fastening assembly (6) includes a first mounting seat (61) and a second mounting seat (62). The first mounting seat (61) and the second mounting seat (62) are fixedly connected to the two guide tubes (2) respectively. 2. The geophysical drilling well deviation prevention device according to claim 1, characterized in that: the support assembly (4) further includes a hydraulic rod (42), and the hydraulic rod (42) is installed in the groove (42) through shaft rotation. 3), and the driving end of the hydraulic rod (42) is rotationally connected to the support arm (41) through a shaft. 3. The geophysical drilling well deviation prevention device according to claim 2, characterized in that: a chute (43) is provided on the upper side wall of the support arm (41), and the inner wall of the chute (43) is fixedly connected There is a pressure sensor (45), and the pressure sensor (45) is electrically connected to the hydraulic rod (42). 4. The geophysical drilling well deviation prevention device according to claim 3, characterized in that: an extrusion block (44) is slidingly connected to the inside of the chute (43). 5. The geophysical drilling well deviation prevention device according to claim 1, characterized in that: a plurality of telescopic rods (63) are fixedly connected to the surface of the first mounting seat (61), and the outer surface of the telescopic rod (63) The sleeve is equipped with a tension spring (64). One end of the telescopic rod (63) is fixedly connected to a positioning post (65), and the positioning post (65) is made of ferromagnetic material. Both ends of the tension spring (64) Fixedly connected to the positioning column (65) and the mounting base (61) respectively. 6. The geophysical drilling well deviation prevention device according to claim 1, characterized in that a plurality of positioning openings (66) are provided on the surface of the second mounting base (62). 7. The geophysical drilling well deviation prevention device according to claim 1, characterized in that: the fastening assembly (6) further includes a plurality of electromagnets (67), and the electromagnets (67) are fixedly installed in the installation slot. (5) inside.