CN213684045U

CN213684045U - Non-rotating drill string ferromagnetic fishing device

Info

Publication number: CN213684045U
Application number: CN202022192636.4U
Authority: CN
Inventors: 魏长鑫; 陈昌兴; 丁庆利
Original assignee: TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO Ltd
Current assignee: TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-07-13
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a strong magnetism fishing device of non-rotation type drilling string, including dabber and a plurality of magnetic steel sleeve, two central covers have been cup jointed in the spindle slip, be provided with the antifriction pad on the inner wall of central cover, a plurality of adapter sleeves have been cup jointed in the spindle slip, and is a plurality of the keyway has all been seted up on the both ends border of adapter sleeve, two the one end of central cover with the one end key-type connection of adapter sleeve is, and is a plurality of the magnetic steel sleeve slides and pegs graft spindle is a plurality of the both ends of magnetic steel sleeve all with the both ends key-type connection of adapter sleeve, the top connection is installed to the upper end of dabber, a plurality of recesses have been seted up on the magnetic steel sleeve, and is a plurality of slidable mounting has the magnetic stripe in the recess, just the one end of magnetic stripe slides and pegs graft the. The application can effectively save the time of the fishing device for the operation in the well, can save the drilling cost and can effectively shorten the operation period.

Description

Non-rotating drill string ferromagnetic fishing device

Technical Field

The utility model relates to a mine processing technology field, concretely relates to strong magnetism fishing device of non-rotation type drilling string.

Background

In the process of handling underground accidents, a large amount of milling operation and salvaging operation are often carried out; when the existing mine is salvaged, the drill is lifted after being milled, then the drill stem is connected with the strong magnetic salvage device to go down the well to clean the well bottom, the processing time is long, the operation is complex, and the construction period is not shortened easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strong magnetism fishing device of non-rotation type drilling string can effectually save fishing device operating time in the pit to can save the well drilling expense, can effectual reduction of erection time, with the problem of proposition in solving above-mentioned background art.

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

the utility model provides a strong magnetism fishing device of non-rotation type drilling string, includes dabber and a plurality of magnetic steel sleeve, two central covers have been cup jointed in the spindle slip, be provided with antifriction pad on the inner wall of central cover, a plurality of adapter sleeves have been cup jointed in the spindle slip, and is a plurality of the keyway has all been seted up on the both ends border of adapter sleeve, two the one end of central cover with the one end key-type connection of adapter sleeve, it is a plurality of the magnetic steel sleeve slides and pegs graft dabber epaxially, and is a plurality of the both ends of magnetic steel sleeve all with the both ends key-type connection of adapter sleeve, the top connection is installed to the upper end of dabber, a plurality of recesses have been seted up on the magnetic steel sleeve, and is a plurality of slidable mounting has the magnetic stripe in the recess, just the one end.

In an embodiment of this application, the jack has all been seted up at the both ends of adapter sleeve, the magnetic stripe passes through the jack and slides and pegs graft in the adapter sleeve.

In an embodiment of the application, both ends of the magnetic steel sleeve are welded and fixed with wear-resisting rings, one side of each wear-resisting ring, which is far away from the magnetic steel sleeve, is provided with a fixed block, and the fixed blocks are inserted into the key grooves in a sliding mode.

In one embodiment of the present application, the upper end of the mandrel is provided with fine threads, and the upper joint is mounted on the upper end of the mandrel through the fine threads.

In one embodiment of the present application, one end of the upper fitting abuts one end of one of the center sleeves.

In one embodiment of the present application, a drill rod buckle is fixedly connected to the lower end of the mandrel.

In one embodiment of the application, the inner wall of the upper end of the upper joint is provided with a drill rod internal thread.

To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:

the utility model discloses in, use through the cooperation of dabber and magnetic stripe, when carrying out shaft bottom operation, can dock dabber and drill collar and junk mill, can grind when milling the operation, through the use of magnetic stripe to salvage the operation to the shaft bottom, can effectually save salvage the activity duration, improve work efficiency, reduction of erection time.

The utility model discloses in, through adorning with the form that the slip cup jointed with magnetic steel sleeve, central cover and adapter sleeve at the spindle, it installs to reuse top connection screw thread spindle is epaxial, it is fixed to contradict central cover to install in the magnet steel cover with gliding form through with the magnetic stripe, and insert the jack of adapter sleeve with the both ends of magnetic stripe in, fix the magnetic stripe, can be simple and convenient assemble and dismantle the device, be convenient for regularly wash and change the magnetic steel sleeve.

Drawings

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

fig. 2 is a schematic side view of the connecting sleeve of the present invention;

fig. 3 is a schematic top view of the connection sleeve of the present invention;

fig. 4 is a schematic top view of the wear ring of the present invention;

FIG. 5 is a schematic cross-sectional view of the center sleeve of the present invention;

fig. 6 is a schematic view of the upper joint shaft of the present invention.

In the figure: 1. a mandrel; 2. a magnetic steel sleeve; 3. a central sleeve; 4. an anti-friction pad; 5. connecting sleeves; 6. a keyway; 7. an upper joint; 8. a groove; 9. a magnetic strip; 10. a jack; 11. wear-resistant rings; 12. a fixed block; 13. fine thread; 15. buckling a drill rod; 16. and (4) drilling rod internal threads.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation of the specification.

The utility model provides a non-rotating type strong magnetic fishing device for a drill string, as shown in figures 1-6, which comprises a mandrel 1 and a plurality of magnetic steel sleeves 2, the lower end of the mandrel 1 is fixedly connected with a drill rod buckle 15, the lower end of the mandrel 1 can be fixed with a mill shoe through the use of the drill rod buckle 15, two central sleeves 3 are sleeved on the mandrel 1 in a sliding way, an antifriction pad 4 is arranged on the inner wall of the central sleeve 3, the antifriction pad 4 can reduce the abrasion of the central sleeve 3 and prolong the service life of the central sleeve 3, the mandrel 1 is sleeved with a plurality of connecting sleeves 5 in a sliding way, key grooves 6 are respectively arranged on the edges of the two ends of the connecting sleeves 5, one end of the two central sleeves 3 is connected with one end key of the connecting sleeve 5, a plurality of the magnetic steel sleeves 2 are inserted on the mandrel 1 in a sliding way, the two ends of the magnetic steel sleeves 2 are connected with the two ends of the connecting, the upper end of the mandrel 1 is provided with an upper joint 7, the upper end of the mandrel 1 is provided with fine threads 13, the upper joint 7 is arranged at the upper end of the mandrel 1 through the fine threads 13, so that the upper joint 7 can be conveniently mounted and dismounted, the magnetic steel sleeve 2, the magnetic stripe 9, the connecting sleeve 5 and the central sleeve 3 can be conveniently dismounted for replacement and cleaning, one end of the upper joint 7 is abutted against one end of one central sleeve 3, the magnetic steel sleeve 2, the central sleeve 3 and the connecting sleeve 5 can be simply and conveniently fixed, the inner wall of the upper end of the upper joint 7 is provided with drill rod internal threads 16, the device can be simply and conveniently mounted on a drill collar through the use of the drill rod internal threads 16, the magnetic steel sleeve 2 is provided with a plurality of grooves 8, the grooves 8 are arranged as trapezoidal grooves, the magnetic stripes 9 are slidably mounted in the grooves 8, and one end of the magnetic stripes 9 are slidably inserted into the end part of the, the magnetic steel sleeve 2 is positioned between the two central sleeves 3.

In this embodiment, jack 10 has all been seted up at the both ends of adapter sleeve 5, magnetic stripe 9 slides through jack 10 and pegs graft in the adapter sleeve 5, through inserting magnetic stripe 9 in adapter sleeve 5, can fix magnetic stripe 9 when salvaging the operation, prevent that magnetic stripe 9 from dropping.

In this embodiment, the both ends of magnetic steel sleeve 2 all welded fastening have wear ring 11, and wear ring 11 can, wear ring 11 sets up to the wear ring of high rigidity copper alloy, one side that magnetic steel sleeve 2 was kept away from to wear ring 11 is provided with fixed block 12, fixed block 12 slides and pegs graft in keyway 6, through the use of fixed block 12, can make magnetic steel sleeve 2 and adapter sleeve 5 dock, makes magnetic steel sleeve 2, adapter sleeve 5 and center sleeve 3 constitute a whole, keeps the stability when magnetic steel sleeve 2 uses.

The working principle is as follows: during the use, use through the cooperation of dabber 1 and magnetic stripe 9, when carrying out shaft bottom operation, can dock dabber 1 with drill collar and junk mill, can be when carrying out the milling operation, through the use of magnetic stripe 9, and salvage the operation to the shaft bottom, can effectually save salvage the activity duration, improve work efficiency, shorten the operation time limit for a project, through adorning magnetic steel sleeve 2, center cover 3 and adapter sleeve 5 at the dabber with the form that slides and cup joint, reuse top connection 7 screw thread installation be in dabber 1, conflict fixedly to center cover 3, and through installing magnetic stripe 9 in magnetic steel sleeve 2 with gliding form, and insert the jack of adapter sleeve 5 with the both ends of magnetic stripe 9 in, fix magnetic stripe 9, can be simple and convenient assemble and dismantle the device, be convenient for regularly wash and change magnetic steel sleeve 2.

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.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a strong magnetism fishing device of non-rotation type drilling string, includes dabber (1) and a plurality of magnetic steel bushing (2), its characterized in that: the core shaft is characterized in that two center sleeves (3) are sleeved on the core shaft (1) in a sliding manner, antifriction pads (4) are arranged on the inner wall of each center sleeve (3), a plurality of connecting sleeves (5) are sleeved on the core shaft (1) in a sliding manner, key grooves (6) are formed in the edges of the two ends of each connecting sleeve (5), one ends of the two center sleeves (3) are connected with one end of each connecting sleeve (5) in a key manner, a plurality of magnetic steel sleeves (2) are inserted on the core shaft (1) in a sliding manner, the two ends of the plurality of magnetic steel sleeves (2) are connected with the two ends of each connecting sleeve (5) in a key manner, an upper connector (7) is installed at the upper end of the core shaft (1), a plurality of grooves (8) are formed in the magnetic steel sleeves (2), magnetic stripes (9) are installed in the grooves (8) in a sliding manner, and one ends of the, the magnetic steel sleeve (2) is positioned between the two central sleeves (3).

2. The non-rotating drill string strong magnetic fishing device according to claim 1, characterized in that: the two ends of the connecting sleeve (5) are provided with inserting holes (10), and the magnetic strips (9) are slidably inserted into the connecting sleeve (5) through the inserting holes (10).

3. The non-rotating drill string strong magnetic fishing device according to claim 1, characterized in that: wear-resisting circle (11) are all welded and fixed at the both ends of magnetic steel bushing (2), wear-resisting circle (11) are kept away from one side of magnetic steel bushing (2) and are provided with fixed block (12), fixed block (12) slip grafting is in keyway (6).

4. The non-rotating drill string strong magnetic fishing device according to claim 1, characterized in that: the upper end of the mandrel (1) is provided with fine threads (13), and the upper joint (7) is installed at the upper end of the mandrel (1) through the fine threads (13).

5. The non-rotating drill string strong magnetic fishing device according to claim 1, characterized in that: one end of the upper joint (7) is abutted against one end of the central sleeve (3).

6. The non-rotating drill string strong magnetic fishing device according to claim 1, characterized in that: the lower end of the mandrel (1) is fixedly connected with a drill rod buckle (15).

7. The non-rotating drill string strong magnetic fishing device according to claim 1, characterized in that: and the inner wall of the upper end of the upper joint (7) is provided with a drill rod internal thread (16).