CN214616431U

CN214616431U - Novel high-capacity omnibearing strong-magnetic fishing tool

Info

Publication number: CN214616431U
Application number: CN202120949099.5U
Authority: CN
Inventors: 李颖; 任翌豪; 张雪婷
Original assignee: Xi'an Daotes Oil & Gas Engineering Service Co ltd
Current assignee: Xi'an Daotes Oil & Gas Engineering Service Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-05
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a novel all-round strong magnetism fishing tool of large capacity, including fishing rod, fishing rod's both ends are equipped with the screw thread, be provided with first T type salvage groove and second T type salvage groove between the screw thread, first T type salvage groove and second T type salvage inslot portion all are provided with the strong magnet. The utility model discloses an instrument can use the fishing rod connection in the operation pipe string such as workover, bore and grind or salvage through the screw thread when using, also can carry out exclusive use simultaneously. The novel high-capacity omnidirectional strong-magnetic fishing tool has large fishing capacity and a fishing range without dead angles of 360 degrees.

Description

Novel high-capacity omnibearing strong-magnetic fishing tool

Technical Field

The utility model relates to an oil field technical field specifically is a novel all-round strong magnetism fishing tool of large capacity.

Background

The oilfield operation refers to the operations of petroleum drilling and subsequent oil well maintenance, and comprises operations of well repair, drilling and grinding, fishing and the like. Maintenance measures are taken to ensure that the well is used successfully. The oil-gas well is an important link in the operations of well repair, drilling and grinding, fishing and the like in various construction processes of oil exploration and development, and the oil-gas well is easy to generate underground falling objects in the underground operation processes of the well repair, drilling and grinding operations and the like. At the moment, the objects falling in the oil field well need to be salvaged, and the normal production of the oil well is recovered.

In the prior art, small iron falling objects such as underground tool fragments, slip teeth, oil casing fragments and hand tools accidentally falling off after well repair and drilling and grinding operations are salvaged unclean often, the fragments fall off secondarily due to friction with the inner wall of the casing in the process of pulling out the drill, and the falling objects cannot be salvaged in a 360-degree omnibearing manner in the salvage process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel all-round strong magnetism fishing tool of large capacity to offer in solving above-mentioned background art and often can appear salvaging unclean to the small-size iron junk such as the hand tool that the drilling ground left in prior art after, slips tooth, oil casing piece, accident dropped when salvaging, little piece leads to the secondary to drop because of rubbing with the inside pipe wall at the tripping operation in-process, can't 360 all-round salvage problems at the in-process that the junk was salvaged.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel all-round strong magnetism fishing tool of large capacity, includes fishing rod, fishing rod's one end is provided with the internal thread, fishing rod's the other end is provided with the external screw thread, be provided with first T type salvage groove (4) and second T type salvage groove (6) between internal thread and the external screw thread, first T type salvage groove (4) and second T type salvage groove (6) inside all is provided with strong magnet.

Further, the first T-shaped fishing grooves (4) and the second T-shaped fishing grooves (6) are respectively provided with three, and the phase difference between the first T-shaped fishing grooves (and the second T-shaped fishing grooves is 60 degrees.

Further, the three first T-shaped fishing grooves (4) are uniformly distributed according to a phase angle of 120 degrees, and the three second T-shaped fishing grooves (6) are uniformly distributed according to a phase angle of 120 degrees. The first T-shaped salvaging groove (4) and the second T-shaped salvaging groove (6) are matched to form a salvaging range without a dead angle of 360 degrees.

Furthermore, one end of the first T-shaped fishing groove (4) close to the center and one end of the second T-shaped fishing groove (6) close to the center are respectively provided with a first mounting groove (5) and a second mounting groove (7), the mounting grooves form a reserved accommodating space after the magnets are mounted, and the six mounting grooves can further form a space for accommodating large-size underground falling objects by 360 degrees.

Furthermore, the outer diameters of the first T-shaped fishing groove (4) and the second T-shaped fishing groove (6) are smaller than the outer diameters of the inner threads (2) and the outer threads (3) at the two ends of the fishing rod by more than 10mm, a large-capacity chip accommodating space is formed outside the first T-shaped fishing groove (4) and the second T-shaped fishing groove (6), after the chips and the junk are fished, the outer diameters of the two ends of the fishing rod are large, the centering and centering effects are achieved, the chips fished by the three first T-shaped fishing grooves (4) and the three second T-shaped fishing grooves (6) can be prevented from being rubbed with the inner wall of the sleeve to fall off, and large-capacity annular accommodating spaces are formed in the three first T-shaped fishing grooves (4) and the three second T-shaped fishing grooves (6).

Further, the widths of the bottoms of the first T-shaped salvaging groove and the second T-shaped salvaging groove are larger than the width of the notch, the width of the strong magnet is larger than the widths of the notch of the first T-shaped salvaging groove and the notch of the second T-shaped salvaging groove, and smaller than the widths of the bottom of the first T-shaped salvaging groove and the bottom of the second T-shaped salvaging groove. The widths of the first mounting groove and the second mounting groove are larger than the widths of the bottom of the first T-shaped salvaging groove and the bottom of the second T-shaped salvaging groove, so that the installation of the strong magnet is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that:

1. first T type salvage groove (4) and second T type salvage groove (6) all are provided with threely, according to 120 evenly distributed of phase angle between the three T type salvage groove, phase difference 60 between first T type salvage groove (4) and second T type salvage groove (6), first T type salvage groove (4) and second T type salvage groove (6) cooperation form 360 no dead angle salvage ranges. The first T-shaped fishing groove and the second T-shaped fishing groove are internally provided with strong magnets. The strong magnet can ensure that the fishing tool has wider coverage and realize all-round junk fishing.

2. The external diameter of the first T-shaped fishing groove (4) and the second T-shaped fishing groove (6) is smaller than the external diameter of the internal thread (2) at the two ends of the fishing rod and the external thread (3) of the fishing rod body by more than 10mm, the first T-shaped fishing groove (4) and the second T-shaped fishing groove (6) are externally formed to form an annular accommodating space with large capacity, after the fishing of fragments and falling objects, the external diameter of the two ends of the fishing rod is large, the centering and centering effects are achieved, the fragments fished by the three first T-shaped fishing grooves (4) and the three second T-shaped fishing grooves (6) can be prevented from falling off due to friction with the inner wall of a sleeve, and the whole tool has large fishing capacity.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic front structural view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure at A-A of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure at the position B-B of the present invention;

in the figure: 1-fishing rod, 2-internal thread, 3-external thread, 4-first T-shaped fishing groove, 5-first mounting groove, 6-second T-shaped fishing groove, 7-second mounting groove, 8-fastening surface, 9-strong magnet and 10-through hole.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a novel all-round strong magnetism fishing tool of large capacity, includes fishing rod (1), and the one end of fishing rod (1) is provided with internal thread (2), and the other end of fishing rod (1) is provided with external screw thread (3), and the body outside between internal thread (2) and external screw thread (3) is provided with three first T type salvage groove (4) and second T type salvage groove (6), and first T type salvage groove (4) and second T type salvage groove (6) inside all is provided with strong magnet (9).

The utility model discloses in, first T type salvage groove (4) are according to 120 phase angle evenly distributed, and second T type salvage groove (6) are according to 120 phase angle evenly distributed

The utility model discloses in, first T type salvage groove (4) and second T type salvage groove (6) all are provided with threely, and phase difference 60 between first T type salvage groove (4) and second T type salvage groove (6), first T type salvage groove (4) and second T type salvage groove (6) cooperation form 360 no dead angle salvage ranges.

The utility model discloses in, the one end that first T type salvage groove (4) are close to the center and second T type salvage groove (6) are close to the center are provided with first mounting groove (5) and second mounting groove (7) respectively.

The utility model discloses in, first T type salvage groove (4) and second T type salvage groove (6) locate the external diameter and are less than the external diameter more than 10mm of fishing rod both ends internal thread (2) and external screw thread (3) body department, are formed with the annular piece accommodation space of great capacity in first T type salvage groove (4) and second T type salvage groove (6) outside. The fishing rod (1) is internally provided with a through hole (10) in a penetrating way.

The utility model discloses in, the tank bottom width in first T type salvage groove (4) and second T type salvage groove (6) all is greater than the notch width, and the width of strong magnet (9) is greater than the notch width in first T type salvage groove (4) and the notch width in second T type salvage groove (6), is less than the tank bottom width in first T type salvage groove (4) and the tank bottom width in second T type salvage groove (6). The widths of the first mounting groove (5) and the second mounting groove (7) are greater than the widths of the bottom of the first T-shaped salvaging groove (4) and the bottom of the second T-shaped salvaging groove (6). The installation of the strong magnet is convenient.

The working principle is as follows:

the fishing rod (1) of the utility model can be connected in the operation pipe string through the internal thread (2) and the external thread (3) for matching use in the process of well repair, drilling and grinding or fishing. The fishing rod (1) can also be connected to the fishing tool string through the internal thread (2) and the external thread (3) under the action of the threads. And the falling objects are salvaged through strong magnets (9) arranged in the first T-shaped salvage groove (4) and the second T-shaped salvage groove (6).

The width of the strong magnet (9) is larger than the width of the notch of the first T-shaped salvaging groove (4) and the width of the notch of the second T-shaped salvaging groove (6). The strong magnet (9) is ensured not to shake and fall off at will after being installed in place in use. The three first T-shaped salvaging grooves (4) and the three second T-shaped salvaging grooves (6) are matched to form a salvaging range without a dead angle of 360 degrees.

And because the external diameter of the first T-shaped salvaging groove (4) and the second T-shaped salvaging groove (6) is less than the external diameter of the internal thread (2) at the two ends of the salvaging rod and the external thread (3) is more than 10mm, the first T-shaped salvaging groove (4) and the second T-shaped salvaging groove (6) are externally provided with annular containing spaces with large capacity, after the scraps and the fallen objects are salved, the external diameter of the two ends of the salvaging rod is large, the salvaging rod has the functions of righting and centering, the scraps salved by the three first T-shaped salvaging grooves (4) and the three second T-shaped salvaging grooves (6) can be prevented from being rubbed with the inner wall of the sleeve and falling, and the whole tool has large salvaging capacity.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel all-round strong magnetism fishing tool of large capacity, includes fishing rod (1), its characterized in that: one end of the fishing rod (1) is provided with an internal thread (2), the other end of the fishing rod (1) is connected with an external thread (3), the body between the internal thread (2) and the external thread (3) is externally provided with three first T-shaped fishing grooves (4) which are uniformly distributed according to a 120-degree phase angle and three second T-shaped fishing grooves (6) which are uniformly distributed according to a 120-degree phase angle, and strong magnets (9) are arranged inside the first T-shaped fishing grooves (4) and the second T-shaped fishing grooves (6).

2. The novel high-capacity omnibearing strong magnetic fishing tool according to claim 1, characterized in that: the three first T-shaped salvaging grooves (4) and the three second T-shaped salvaging grooves (6) are arranged, and the phase difference between the first T-shaped salvaging grooves (4) and the second T-shaped salvaging grooves (6) is 60 degrees.

3. The novel high-capacity omnibearing strong magnetic fishing tool according to claim 2, characterized in that: the three first T-shaped fishing grooves (4) are uniformly distributed according to a 120-degree phase angle, and the three second T-shaped fishing grooves (6) are uniformly distributed according to a 120-degree phase angle.

4. The novel high-capacity omnibearing strong magnetic fishing tool according to claim 3, characterized in that: one end of the first T-shaped fishing groove (4) close to the center and one end of the second T-shaped fishing groove (6) close to the center are respectively provided with a first mounting groove (5) and a second mounting groove (7).

5. The novel high-capacity omnibearing strong magnetic fishing tool according to claim 1, characterized in that: the outer diameters of the first T-shaped salvaging groove (4) and the second T-shaped salvaging groove (6) are smaller than the outer diameters of the inner thread (2) and the outer thread (3) at the two ends of the salvaging rod by more than 10mm, and annular fragment containing spaces with larger capacity are formed outside the first T-shaped salvaging groove (4) and the second T-shaped salvaging groove (6); the fishing rod (1) is internally provided with a through hole (10) in a penetrating way.

6. The novel high-capacity omnibearing strong magnetic fishing tool according to claim 4, characterized in that: the widths of the bottoms of the first T-shaped salvaging groove (4) and the second T-shaped salvaging groove (6) are larger than the width of the notch, the width of the strong magnet (9) is larger than the width of the notch of the first T-shaped salvaging groove (4) and the width of the notch of the second T-shaped salvaging groove (6), and is smaller than the width of the notch bottom of the first T-shaped salvaging groove (4) and the width of the bottom of the second T-shaped salvaging groove (6); the widths of the first mounting groove (5) and the second mounting groove (7) are greater than the widths of the bottom of the first T-shaped salvaging groove (4) and the bottom of the second T-shaped salvaging groove (6).