CN216305862U - Wellhead anti-falling device for petroleum drilling engineering - Google Patents

Wellhead anti-falling device for petroleum drilling engineering Download PDF

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Publication number
CN216305862U
CN216305862U CN202122711729.8U CN202122711729U CN216305862U CN 216305862 U CN216305862 U CN 216305862U CN 202122711729 U CN202122711729 U CN 202122711729U CN 216305862 U CN216305862 U CN 216305862U
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China
Prior art keywords
supporting
cylinder
drilling engineering
support
prevention device
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CN202122711729.8U
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Chinese (zh)
Inventor
刘妮
白刚
肖元林
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Liu Ni
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Liu Ni
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Priority to CN202122711729.8U priority Critical patent/CN216305862U/en
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Abstract

The utility model discloses a wellhead falling object prevention device for petroleum drilling engineering, which comprises a support cylinder, wherein one end of the support cylinder is provided with a support plate, a plurality of support mechanisms are symmetrically arranged on the support cylinder about the central axis of the support cylinder, one ends of the support mechanisms are respectively provided with a connecting rod, the upper end of the support plate is provided with a plurality of T-shaped sliding grooves, the upper ends of the connecting rods are respectively inserted into the T-shaped sliding grooves, the upper ends of the connecting rods are respectively provided with a first sliding block through nuts, and second sliding blocks are respectively inserted into the T-shaped sliding grooves. Through setting up a supporting cylinder in the board below of preventing falling to set up supporting mechanism around a supporting cylinder, set up the oil well template on supporting mechanism, can play good supporting role to the well head when preventing falling, rubble and clod fall into in preventing that the well head from appearing when ground peels off, avoid influencing drilling work and normally go on.

Description

Wellhead anti-falling device for petroleum drilling engineering
Technical Field
The utility model belongs to the technical field of petroleum drilling, and particularly relates to a wellhead anti-falling device for petroleum drilling engineering.
Background
The well mouth of the drilling machine is the most easily occurring place of falling object accidents, the falling object of the well mouth is caused by that tools or other objects are randomly placed on the rotary table, the placed objects are collided during operation or the objects fall into the well due to the rotation of the rotary table, some fixed screws on the tower-type derrick fall into the well due to loosening, and the drilling tool is easily caused to fall into the well due to the fact that the drilling tool is not clamped and fastened when the drill collar and the coring tool are started and stopped during the illegal operation of the well mouth.
At present, the annular groove is mostly arranged on the wellhead in the well mouth anti-falling device commonly used, then the anti-falling baffle is placed in the annular groove, the wellhead cannot be supported although the anti-falling baffle can be effectively prevented, and when rock and soil are peeled off at the wellhead, the broken stones of the soil blocks cannot be prevented from falling into the well, so that the safety is not enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wellhead anti-falling device for petroleum drilling engineering, which aims to solve the problem of insufficient safety in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a well head anti-falling device for oil drilling engineering, includes the support cylinder, support cylinder one end is provided with the backup pad, the central axis symmetry about the support cylinder on the support cylinder is provided with a plurality of supporting mechanism, and is a plurality of supporting mechanism one end all is provided with the connecting rod, the backup pad upper end is equipped with a plurality of T type spouts, and is a plurality of in inserting a plurality of T type spouts respectively, a plurality of the upper end of connecting rod all is provided with first slider, a plurality of through the nut equal cartridge has the second slider in the T type spout, and is a plurality of all be equipped with the screw hole in the middle of the second slider, be provided with the quarter butt through the nut in the screw hole, quarter butt one end is provided with the oil well template, the anti-falling board is installed to backup pad upper end screw thread.
Preferably, the lower end of the support plate is provided with a support ring.
Preferably, a handle is arranged at the upper end of the first sliding block, and an anti-skid sleeve is sleeved on the handle.
Preferably, the upper end of the supporting plate is provided with a fixed seat, and the fixed seat is rotatably provided with a hook.
Preferably, the supporting mechanism comprises a supporting rod, a guide hole is formed in the supporting cylinder, one end of the supporting rod is inserted into the guide hole, a pressing block is arranged at the other end of the supporting rod and connected with the connecting rod, a spring is arranged at one end of the pressing block, one end of the spring is connected with the supporting cylinder, a positioning groove is formed in the inner side of the oil well template, and the pressing block is inserted into the positioning groove.
Preferably, a protection cylinder is arranged in the support cylinder, and one end of the support rod is inserted in the protection cylinder.
Compared with the prior art, the utility model has the beneficial effects that: through setting up a supporting cylinder in the board below of preventing falling to set up supporting mechanism around a supporting cylinder, set up the oil well template on supporting mechanism, can play good supporting role to the well head when preventing falling, rubble and clod fall into in preventing that the well head from appearing when ground peels off, avoid influencing drilling work and normally go on.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic top view of the anti-falling plate of the present invention.
In the figure: 1. the oil well template protection device comprises a support cylinder, 2 support plates, 3 support mechanisms, 4 connecting rods, 5 first sliding blocks, 6 second sliding blocks, 7 short rods, 8 oil well templates, 9 anti-falling plates, 10 handles, 11 fixing seats, 12 hooks, 13 protective cylinders, 101 guide holes, 201T-shaped sliding grooves, 202 support rings, 301 support rods, 302 pressing blocks, 303 springs, 801 positioning grooves.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, an embodiment of the utility model provides a wellhead anti-falling device for an oil drilling project, which includes a support cylinder 1, a support plate 2 is welded at the upper end of the support cylinder 1, six support mechanisms 3 are symmetrically arranged on the support cylinder 1 about a central axis of the support cylinder 1, connecting rods 4 are welded at ends of the six support mechanisms 3 far away from the support cylinder 1, six T-shaped sliding grooves 201 are arranged at the upper end of the support plate 2, the upper ends of the six connecting rods 4 are respectively inserted into the six T-shaped sliding grooves 201, first sliding blocks 5 are respectively installed at the upper ends of the six connecting rods 4 through nuts, second sliding blocks 6 are respectively inserted into the six T-shaped sliding grooves 201, threaded holes are respectively arranged in the middles of the six second sliding blocks 6, short rods 7 are respectively installed in the six threaded holes through nuts, an oil well template 8 is welded at the lower ends of the short rods 7 and used for supporting a well wall at the wellhead, and an anti-falling plate 9 is installed at the upper end of the support plate 2 through threads.
Referring to fig. 1 and 2, a support ring 202 is welded to the lower end of the support plate 2, so that the support plate 2 is higher than the ground, and rock soil is prevented from accumulating in the T-shaped chute 201 and affecting the normal use of the device. The upper end of the first sliding block 5 is welded with a handle 10, so that the connecting rod 4 can be conveniently pulled to move, and the handle 10 is sleeved with an anti-slip sleeve to prevent slipping. The upper end of the supporting plate 2 is welded with a fixed seat 11, and the fixed seat 11 is provided with a hook 12 through rotation for hanging the grip 10. Supporting mechanism 3 includes bracing piece 301, guiding hole 101 has been seted up on the support section of thick bamboo 1, bracing piece 301 is close to the one end of supporting section of thick bamboo 1 and inserts in the guiding hole 101, bracing piece 301 other end welding has briquetting 302, briquetting 302 is in the same place with the welding of 4 lower extremes of connecting rod, the one end welding that is close to the support section of thick bamboo 1 on the briquetting 302 has spring 303, spring 303 is close to the one end of supporting section of thick bamboo 1 and is in the same place with the welding of a support section of thick bamboo 1, 8 inboards of oil well template are equipped with constant head tank 801, briquetting 302 is inserted and is established in constant head tank 801, make things convenient for bracing piece 301 and briquetting 302 to promote the 8 removals of oil well template. Six protective cylinders 13 are welded in the supporting cylinder 1, and one ends of the six support rods 301 located in the supporting cylinder 1 are respectively inserted into the six protective cylinders 13 and used for protecting the support rods 301.
The working principle of the embodiment is as follows: when in use, the six handles 10 are sequentially held by hands, the six first sliding blocks 5 and the connecting rod 4 are pulled towards the direction close to the supporting cylinder 1 along the T-shaped sliding groove 201, then the handles 10 are hung by the hooks 12, at the moment, the springs 303 are compressed, then the short rods 7 at the upper ends of the six oil well templates 8 are respectively inserted into the six T-shaped sliding grooves 201 from the lower part of the supporting plate 2, then the six second sliding blocks 6 are respectively fixed on the six short rods 7 by nuts, then the supporting cylinder 1 and the six oil well templates 8 are inserted into a well mouth, so that the supporting ring 202 is pressed on the ground, then the six hooks 12 are sequentially taken down, the six springs 303 respectively push the six pressing blocks 302 to move, the six pressing blocks 302 respectively push the six oil well templates 8 to move, the six oil well templates 8 are pressed on the inner wall of the well mouth under the action of the springs 303, the broken stones at the well mouth are sequentially prevented from falling into the well, and then the anti-falling plate 9 is installed at the upper end of the supporting plate 2 in a threaded manner, thereby preventing items above the wellhead from falling into the well.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims (6)

1. The utility model provides a thing device is prevented falling by well head for oil drilling engineering which characterized in that: comprises a supporting cylinder (1), one end of the supporting cylinder (1) is provided with a supporting plate (2), a plurality of supporting mechanisms (3) are symmetrically arranged on the supporting cylinder (1) relative to the central axis of the supporting cylinder (1), one end of each supporting mechanism (3) is provided with a connecting rod (4), the upper end of the supporting plate (2) is provided with a plurality of T-shaped sliding grooves (201), the upper ends of the connecting rods (4) are respectively inserted into the T-shaped sliding grooves (201), the upper ends of the connecting rods (4) are respectively provided with a first sliding block (5) through nuts, second sliding blocks (6) are respectively inserted into the T-shaped sliding grooves (201), threaded holes are respectively arranged in the middles of the second sliding blocks (6), be provided with quarter butt (7) through the nut in the screwed hole, quarter butt (7) one end is provided with oil well template (8), backup pad (2) upper end screw thread is installed and is prevented falling board (9).
2. A wellhead fall prevention device for oil drilling engineering according to claim 1, characterized in that: the lower end of the supporting plate (2) is provided with a supporting ring (202).
3. A wellhead fall prevention device for oil drilling engineering according to claim 1, characterized in that: the upper end of the first sliding block (5) is provided with a handle (10), and the handle (10) is sleeved with an anti-skid sleeve.
4. A wellhead fall prevention device for oil drilling engineering according to claim 1, characterized in that: the supporting plate is characterized in that a fixed seat (11) is arranged at the upper end of the supporting plate (2), and a hook (12) is rotatably arranged on the fixed seat (11).
5. A wellhead fall prevention device for oil drilling engineering according to claim 1, characterized in that: supporting mechanism (3) include bracing piece (301), guiding hole (101) have been seted up on supporting cylinder (1), bracing piece (301) one end is inserted in guiding hole (101), bracing piece (301) other end is provided with briquetting (302), briquetting (302) are connected with connecting rod (4), briquetting (302) one end is provided with spring (303), spring (303) one end is connected with supporting cylinder (1), oil well template (8) inboard is equipped with constant head tank (801), briquetting (302) are inserted and are established in constant head tank (801).
6. A wellhead fall prevention device for oil drilling engineering according to claim 5, characterized in that: a protective cylinder (13) is arranged in the supporting cylinder (1), and one end of the supporting rod (301) is inserted in the protective cylinder (13).
CN202122711729.8U 2021-11-08 2021-11-08 Wellhead anti-falling device for petroleum drilling engineering Active CN216305862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122711729.8U CN216305862U (en) 2021-11-08 2021-11-08 Wellhead anti-falling device for petroleum drilling engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122711729.8U CN216305862U (en) 2021-11-08 2021-11-08 Wellhead anti-falling device for petroleum drilling engineering

Publications (1)

Publication Number Publication Date
CN216305862U true CN216305862U (en) 2022-04-15

Family

ID=81117504

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122711729.8U Active CN216305862U (en) 2021-11-08 2021-11-08 Wellhead anti-falling device for petroleum drilling engineering

Country Status (1)

Country Link
CN (1) CN216305862U (en)

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