CN213743321U - Coaxial visual drilling tool fishing tool - Google Patents

Abstract

The utility model discloses a coaxial visual drilling tool fishing tool, which comprises a fishing barrel and an extension barrel, wherein one end of the fishing barrel is tightly provided with the extension barrel, a supporting disk is arranged in the other end of the fishing barrel, a plurality of side lugs are welded on the side surface of the supporting disk in a surrounding manner, and one end of each side lug is welded with the inner wall surface of the fishing barrel; the utility model discloses in, in sending into the cracked region of drilling tool through with overshot, then pull wire rope, make a plurality of L type anchor clamps of the inboard port department of wire rope pulling overshot, make a plurality of L type anchor clamps all take place to rotate through the side ear of side post with the supporting disk, make the one end that a plurality of L type anchor clamps have the clutch blocks slope in opposite directions and tighten up, the clutch blocks that cooperation anchor clamps surface set up, the centre gripping of realizing the fracture drilling tool is fixed, and the power through cable switch-on electro-magnet, make the electro-magnet carry out fracture drilling tool magnetism type on the basis of anchor clamps centre gripping and pull, avoid traditional box awl to make the condition of detaining the difficulty, thereby increase fishing efficiency.

Description

Coaxial visual drilling tool fishing tool

Technical Field

The utility model relates to a petroleum engineering fishing tool technical field in the pit especially relates to a coaxial visual drilling tool fishing tool.

Background

The screw drilling tool is a positive displacement downhole power drilling tool which takes drilling fluid as power and converts liquid pressure energy into mechanical energy, when slurry pumped by a slurry pump flows through a bypass valve and enters a motor, a certain pressure difference is formed at an inlet and an outlet of the motor to push a rotor to rotate around the axis of a stator, and the rotating speed and the torque are transmitted to a drill bit through a universal shaft and a transmission shaft, so that the drilling operation is realized, and along with the continuous development and innovation of the drilling tool, the screw drilling tool is provided with a camera and supporting facilities to form a visual downhole operation drilling tool, so that the efficiency of the drilling operation is increased.

At present, oil field fishing tool in pit is many, the structure diverse, its usage is also different, but the special fishing tool to screw rod drilling tool fracture accident still does not have the commonality, because the screw rod drill has probably disconnected screw rod, probably disconnected transmission shaft, probably disconnected screw rod drilling tool urceolus, also probably these several kinds of circumstances fracture simultaneously, traditional fishing tool need adopt the box to carry out the knot-making operation to the drilling tool in the well usually, just can salvage the well head with the drilling tool in the well, and the box that has been used for the knot-making operation is in the use, because the drilling tool is partial to one side, adjust the difficulty well to the drilling tool that leans on to well wall one side well, it detains the difficulty to take place the drilling tool head in fishing process often, thereby influence the fishing efficiency of fracture drilling tool.

Therefore, the coaxial visual drilling tool fishing tool has the advantage of convenient fishing, and further solves the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a coaxial visual drilling tool fishing tool.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a coaxial visual drilling tool fishing tool, includes a overshot and an extension section of thick bamboo, an end fastening mounting of overshot has an extension section of thick bamboo, and the inside of the overshot other end is provided with the supporting disk, the side of supporting disk encircles the welding and has a plurality of side ears, and the one end of a plurality of side ears all with an internal face welding of overshot to all be connected with anchor clamps through the rotation of side post between a plurality of side ears, the one end welding of anchor clamps has the ear of pulling, and pulls the ear on the knot and be connected with wire rope, the center department fastening mounting of supporting disk has the electro-magnet, and electro-magnet surface connection has the cable, the one end of cable runs through the supporting disk and extends to the outside of an overshot and an extension section of thick bamboo.

As a further description of the above technical solution: the anchor clamps are provided with a plurality ofly, and the cross-section of a plurality of anchor clamps is L type structure to the one end that pulls the ear is kept away from to a plurality of anchor clamps evenly is provided with a plurality of clutch blocks.

As a further description of the above technical solution: one end of the steel wire rope is provided with a plurality of connecting ropes, and the plurality of connecting ropes are connected with the clamp rope buckle through the traction lug respectively.

As a further description of the above technical solution: the overshot and the extension cylinder are both hollow structures, and one end of the cable penetrates through the overshot and the extension cylinder to be connected with an external power supply.

As a further description of the above technical solution: a plurality of the friction blocks are of rectangular structures, and the surfaces of the friction blocks are provided with anti-skid protrusions of a plurality of arc structures.

As a further description of the above technical solution: side columns are welded on two sides of the clamp, and one ends of the side columns are rotatably connected with side lugs on the side faces of the supporting plate through holes.

The utility model discloses following beneficial effect has:

the utility model discloses in, adopt the overshot, an extension section of thick bamboo, wire rope, a cable, the supporting disk, the electro-magnet, anchor clamps, the side ear, the side post, pull the fishing tool of ear and clutch blocks constitution coaxial visual type drilling tool, in sending into the cracked region of drilling tool through with the overshot, then pull wire rope, make a plurality of L type anchor clamps of the inboard port department of wire rope pulling overshot, make a plurality of L type anchor clamps all take place to rotate through the side ear of side post with the supporting disk, make the one end that a plurality of L type anchor clamps have the clutch blocks slope in opposite directions and tighten up, the clutch blocks that cooperation anchor clamps surface set up, it is fixed to realize the centre gripping of fracture drilling tool, and pass through the power of cable switch-on electro-magnet, make the electro-magnet carry out fracture drilling tool magnetism on the basis of anchor clamps centre gripping pull, avoid traditional female awl to make the condition of detaining the difficulty, thereby increase fishing efficiency.

Drawings

FIG. 1 is a schematic structural view of a coaxial visual drilling tool fishing tool according to the present invention;

FIG. 2 is a schematic view of the structure of the overshot of the coaxial visual drilling tool fishing tool of the present invention;

fig. 3 is a schematic view of the clamp structure of the fishing tool of the coaxial visual drilling tool of the present invention.

Illustration of the drawings:

1. an overshot; 2. an extension cylinder; 3. a wire rope; 4. a cable; 5. a support disc; 6. an electromagnet; 7. a clamp; 8. a lateral ear; 9. a side post; 10. pulling the ears; 11. a friction block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

According to the utility model discloses an embodiment provides a coaxial visual drilling tool fishing tool.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a coaxial visual drilling tool fishing tool according to an embodiment of the present invention comprises a fishing barrel 1 and an extension barrel 2, wherein one end of the fishing barrel 1 is tightly fixed with the extension barrel 2, and the other end of the fishing barrel 1 is internally provided with a supporting plate 5, the side of the supporting plate 5 is welded with a plurality of side lugs 8, and one end of each side lug 8 is welded with the inner wall of the fishing barrel 1, and a clamp 7 is rotatably connected between the side lugs 8 through a side post 9, one end of the clamp 7 is welded with a traction lug 10, and the traction lug 10 is connected with a steel wire rope 3 through a rope buckle, an electromagnet 6 is tightly fixed at the center of the supporting plate 5, and the surface of the electromagnet 6 is connected with a cable 4, one end of the cable 4 extends to the outer side of the fishing barrel 1 and the extension barrel 2 through the supporting plate 5, the fishing collar 1 is sent into a broken area of a drilling tool, then the steel wire rope 3 is pulled, the steel wire rope 3 pulls the L-shaped clamps 7 at the port positions of the inner side of the fishing collar 1, the L-shaped clamps 7 are all made to rotate through the side posts 9 and the side lugs 8 of the supporting plate 5, one ends of the L-shaped clamps 7 with the friction blocks 11 incline and tighten in opposite directions, the friction blocks 11 arranged on the surfaces of the clamps 7 are matched to clamp and fix the broken drilling tool, the power supply of the electromagnet 6 is connected through the cable 4, the electromagnet 6 is made to conduct magnetic type traction on the broken drilling tool on the basis of clamping of the clamps 7, the situation that the traditional female cone is difficult to buckle is avoided, and therefore fishing efficiency is improved;

in one embodiment, the plurality of clamps 7 are provided, the cross sections of the plurality of clamps 7 are all in an L-shaped structure, one ends of the plurality of clamps 7 far away from the traction lugs 10 are uniformly provided with a plurality of friction blocks 11, and the clamping effect can be increased through the friction blocks 11 uniformly arranged on the surfaces of the clamps 7.

In one embodiment, one end of the steel wire rope 3 is provided with a plurality of connecting ropes, the connecting ropes are respectively connected with the clamp 7 through the traction lug 10, and the plurality of clamps 7 can be synchronously pulled through the connecting ropes, so that the clamp 7 can be folded and the broken drilling tool can be clamped.

In one embodiment, the overshot 1 and the extension cylinder 2 are both hollow structures, one end of the cable 4 penetrates through the overshot 1 and the extension cylinder 2 to be connected with an external power supply, and is connected with the external power supply through the cable 4, so that power supply of the electromagnet 6 is facilitated, wherein a protective film (protective films made of different materials can be arranged according to actual requirements) can be coated on the outer surface of the electromagnet 6, and electric leakage of the electromagnet 6 in a working state is avoided.

In one embodiment, the friction blocks 11 are all rectangular structures, and the surfaces of the friction blocks 11 are provided with the anti-skid protrusions with arc structures, so that the stability of the clamping state of the clamp 7 can be increased through the friction blocks 11 and the anti-skid protrusions on the surfaces of the friction blocks 11.

In one embodiment, the side posts 9 are welded on two sides of the clamp 7, one end of each side post 9 is rotatably connected with the side lug 8 on the side surface of the support plate 5 through a through hole, and the side posts 9 are inserted into the through holes of the side lugs 8, so that the clamp 7 can rotate conveniently, and clamping of a fracture drilling tool is facilitated.

The working principle is as follows:

during the use, in sending into drilling tool cracked region through overshot 1, then draw wire rope 3, make 3 a plurality of L type anchor clamps 7 of the inboard port department of the overshot of 3 pulling of wire rope, make a plurality of L type anchor clamps 7 all take place to rotate through the side ear 8 of side post 9 with supporting disk 5, make a plurality of L type anchor clamps 7 have the one end of clutch blocks 11 to incline in opposite directions and tighten up, the clutch blocks 11 of 7 surface settings of cooperation anchor clamps, it is fixed to realize the centre gripping of fracture drilling tool, and switch on 6 power of electro-magnet through cable 4, make electro-magnet 6 carry out fracture drilling tool magnetism on the basis of anchor clamps 7 centre gripping and inhale the formula and pull, avoid traditional female awl to make the condition of detaining the difficulty, thereby increase fishing efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a coaxial visual drilling tool fishing tool, includes overshot (1) and extension section of thick bamboo (2), its characterized in that: an extension section of thick bamboo (2) is installed in overshot (1) one end fastening, and the inside of overshot (1) the other end is provided with supporting disk (5), the side of supporting disk (5) encircles the welding and has a plurality of side ears (8), and the one end of a plurality of side ears (8) all with an inner wall face welding of overshot (1), and all rotate through side post (9) between a plurality of side ears (8) and be connected with anchor clamps (7), the one end welding of anchor clamps (7) has traction ear (10), and traction ear (10) goes up the rope knot and is connected with wire rope (3), the central department fastening of supporting disk (5) installs electro-magnet (6), and electro-magnet (6) surface connection has cable (4), the one end of cable (4) runs through supporting disk (5) and extends to the outside of overshot (1) and extension section of thick bamboo (2).

2. The coaxial visual drill fishing tool of claim 1, wherein: the clamp (7) is provided with a plurality of clamps, the cross sections of the clamps (7) are of L-shaped structures, and one ends, far away from the traction lugs (10), of the clamps (7) are evenly provided with a plurality of friction blocks (11).

3. The coaxial visual drill fishing tool of claim 1, wherein: one end of the steel wire rope (3) is provided with a plurality of connecting ropes, and the plurality of connecting ropes are respectively connected with the rope buckle of the clamp (7) through the traction lug (10).

4. The coaxial visual drill fishing tool of claim 1, wherein: the fishing barrel (1) and the extension barrel (2) are both of a hollow structure, and one end of the cable (4) penetrates through the fishing barrel (1) and the extension barrel (2) to be connected with an external power supply.

5. A coaxial visual drill fishing tool as claimed in claim 2, wherein: a plurality of the friction blocks (11) are all of rectangular structures, and the surfaces of the friction blocks (11) are provided with anti-skid protrusions of a plurality of arc-shaped structures.

6. The coaxial visual drill fishing tool of claim 1, wherein: side columns (9) are welded on two sides of the clamp (7), and one ends of the side columns (9) are rotatably connected with side lugs (8) on the side faces of the supporting plate (5) through holes.

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