CN214403471U

CN214403471U - Wear-resistant petroleum non-magnetic drill collar

Info

Publication number: CN214403471U
Application number: CN202023209329.9U
Authority: CN
Inventors: 胡玉平
Original assignee: Xinghua Yinlong Stainless Steel Products Co ltd
Current assignee: Xinghua Yinlong Stainless Steel Products Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-15
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a stand wear and tear oil does not have magnetic drill collar, the electric iron comprises a pole body, the inboard middle part of the body of rod is equipped with the drill collar inner core, and the outside cover of drill collar inner core is equipped with the hollow lantern ring to the inboard annular of hollow lantern ring inlays and is equipped with a plurality of compression gasbag, the outside cover of hollow lantern ring is equipped with a plurality of wearing layers, and the side of a plurality of wearing layers is all pegged graft mutually, and is a plurality of the middle part of wearing layer all inlays and is equipped with a plurality of layers of ventilating, and is a plurality of all inlay between the wearing layer interconnect department and be equipped with the protection pad, and is a plurality of the top cover of wearing layer has cup jointed the protection pullover. The utility model discloses in, at first, adopt combination formula concatenation protection wear-resisting structure, not only improved the durability of no magnetic drill collar, also reduced the use cost of no magnetic drill collar, secondly, adopt compression extrusion heat radiation structure, not only improved the thermal diffusivity of no magnetic drill collar, also improved the life of no magnetic drill collar.

Description

Wear-resistant petroleum non-magnetic drill collar

Technical Field

The utility model relates to an oil drilling instrument technical field especially relates to a stand wear and tear oil does not have magnetic drill collar.

Background

The non-magnetic drill collar is mainly used for measuring the direction of a borehole in the drilling of a directional well, and simultaneously creates a non-magnetic environment for a magnetic measuring instrument in the directional process, so that data measured by the magnetic measuring instrument is real earth magnetic field information.

Firstly, when the existing petroleum non-magnetic drill collar is used, because the non-magnetic drill collar needs to rotate for a long time, the outer surface layer of the drill collar is easy to wear, and the worn drill collar part needs to be maintained or replaced, so that the durability of the non-magnetic drill collar is reduced, the use cost of the non-magnetic drill collar is increased, secondly, because the drill collar rotates to generate higher heat when in use, the existing heat dissipation device is single, the heat dissipation performance is lower, and the service life of the drill collar is also reduced.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problem that the traditional petroleum non-magnetic drill collar part is low in durability, the wear-resistant petroleum non-magnetic drill collar is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a stand wear and tear oil does not have magnetic drill collar, includes the body of rod, the inboard middle part of the body of rod is equipped with the drill collar inner core, and the outside cover of drill collar inner core is equipped with the hollow lantern ring to the inboard annular of hollow lantern ring inlays and is equipped with a plurality of compression gasbag, the outside cover of hollow lantern ring is equipped with a plurality of wearing layers, and the side of a plurality of wearing layers is all pegged graft mutually, and is a plurality of the middle part of wearing layer all inlays and is equipped with a plurality of layers of ventilating, and is a plurality of all inlay between the wearing layer junction of each other and be equipped with the protection pad, and is a plurality of the top cover of wearing layer has cup jointed the protection sleeve head.

As a further description of the above technical solution:

the outer sides of the plurality of compression air bags and the butt joint of the hollow lantern ring are provided with compression holes.

As a further description of the above technical solution:

the protective sleeve head and the plurality of joints of the wear-resistant layers are all embedded with sealing gaskets.

As a further description of the above technical solution:

the plurality of ventilation layers are all embedded in the outer side of the hollow lantern ring and are abutted against the plurality of compression air bags.

As a further description of the above technical solution:

the top of the drill collar inner core and the top of the protective sleeve head are communicated with mounting holes in an open view mode.

As a further description of the above technical solution:

and a plurality of fastening bolts are arranged outside the protective sleeve head in a penetrating way.

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

1. the utility model discloses in, adopt combination formula concatenation protection wear-resisting structure, during the installation, establish the drill collar inner core outside with hollow lantern ring cover earlier, the wearing layer of rethread grafting mutually makes up the cover and locates the outside of the hollow lantern ring, fix through the protective sleeve head at last, when using, after one of them wearing layer takes place wearing and tearing in long-term use, only need take off one of them wearing layer and change, and when rotating the use, the intra-annular compression gasbag of hollow lantern ring that is equipped with between wearing layer and the drill collar inner core plays partial damping effect, the wearing and tearing to the drill collar inner core have been reduced, the comprehensive setting of this kind of structure, the durability of no magnetic drill collar has not only been improved, the use cost of no magnetic drill collar has also been reduced.

2. The utility model discloses in, adopt compression extrusion heat radiation structure, when using, when the body of rod is rotating when using, the vibrations and the extrusion force of production carry out continuous extrusion to the wearing layer simultaneously, inside drill collar inner core is using for a long time and behind the production of heat simultaneously, compression gasbag receives outside continuous compression, the heat that produces outside air current and drill collar inner core is changed through the continuous compression of compression hole and rethread ventilation layer, dispel the heat, the setting of this kind of structure has not only improved the thermal diffusivity of no magnetic drill collar, the life of no magnetic drill collar has also been improved.

Drawings

Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;

fig. 2 shows a front cross-sectional view provided in accordance with an embodiment of the present invention;

fig. 3 shows a schematic view of a top-down structure provided according to an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of a location provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a protective sleeve head; 2. a rod body; 3. a wear layer; 4. a hollow collar; 5. a gasket; 6. a drill collar inner core; 7. a ventilation layer; 8. fastening a bolt; 9. mounting the connecting hole; 10. a protective pad; 11. compressing the air bag; 12. the hole is compressed.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a wear-resistant petroleum non-magnetic drill collar comprises a rod body 2, a drill collar inner core 6 is arranged in the middle of the inner side of the rod body 2, a hollow lantern ring 4 is sleeved on the outer side of the drill collar inner core 6, a plurality of compression air bags 11 are annularly embedded on the inner side of the hollow lantern ring 4, a plurality of wear-resistant layers 3 are sleeved on the outer side of the hollow lantern ring 4, and the side of a plurality of wearing layers 3 all pegs graft mutually, the middle part of a plurality of wearing layers 3 all inlays and is equipped with a plurality of layers 7 of ventilating, all inlay between the junction of a plurality of wearing layers 3 and be equipped with protection pad 10, protection pad 10 mainly prevents wearing layer 3 of a plurality of pegs graft mutually wearing and tearing mutually, the top of a plurality of wearing layers 3 has cup jointed protection pullover 1, the outside of a plurality of compressed air bags 11 and the butt department of hollow lantern ring 4 have all seted up compression hole 12, protection pullover 1 all inlays with the junction of a plurality of wearing layers 3 and is equipped with sealed pad 5, sealed pad 5 mainly plays the leakproofness when increasing protection pullover 1 and wearing layer 3 and connecting.

Specifically, as shown in fig. 3 and 4, the plurality of ventilation layers 7 are each embedded outside the hollow collar 4 and abut against the plurality of compression airbags 11.

Specifically, as shown in fig. 1 and 2, the top of the drill collar inner core 6 and the top of the protective sleeve head 1 are both communicated with an installation connection hole 9 in an open view, the installation connection hole 9 is mainly convenient for being connected and installed with an external connection device, a plurality of fastening bolts 8 are installed outside the protective sleeve head 1 in a penetrating manner, and the fastening bolts 8 mainly play a role in fastening and stabilizing the protective sleeve head 1.

The working principle is as follows: when in use, firstly, in order to improve the durability of the non-magnetic drill collar, when in installation, the hollow lantern ring 4 is sleeved outside the drill collar inner core 6, then the wearing layers 3 which are mutually spliced are mutually combined and sleeved outside the hollow lantern ring 4, and finally the protective sleeve head 1 is used for fixing, when in use, after one wearing layer 3 is worn in long-term use, only one wearing layer 3 is required to be taken down for replacement, and when in rotary use, the compression air bag 11 in the hollow lantern ring 4 arranged between the wearing layer 3 and the drill collar inner core 6 plays a part of the vibration damping effect, thereby reducing the wear of the drill collar inner core 6, secondly, in order to improve the heat dissipation effect of the non-magnetic drill collar, when in use, when the rod body 2 is in rotary use, the generated vibration and extrusion force simultaneously and continuously extrude the wearing layer 3, and simultaneously, after the drill collar inner core 6 is used for a long time and generates heat, the compression air bag 11 is continuously compressed by the outside, and external air flow and heat generated by the drill collar inner core 6 are continuously compressed and replaced through the compression holes 12 and the ventilation layer 7 to dissipate heat.

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 stand wear and tear oil does not have magnetic drill collar, includes the body of rod (2), its characterized in that, the inboard middle part of the body of rod (2) is equipped with drill collar inner core (6), and the outside cover of drill collar inner core (6) is equipped with hollow lantern ring (4) to the inboard annular of hollow lantern ring (4) inlays and is equipped with a plurality of compression gasbag (11), the outside cover of hollow lantern ring (4) is equipped with a plurality of wearing layers (3), and the side of a plurality of wearing layers (3) all pegs graft mutually, and is a plurality of the middle part of wearing layer (3) all inlays and is equipped with a plurality of ventilation layer (7), and is a plurality of all inlay between wearing layer (3) the junction of each other and be equipped with protection pad (10), and is a plurality of the top cover of wearing layer (3) has cup jointed protection pullover (1).

2. The wear-resistant petroleum non-magnetic drill collar as claimed in claim 1, wherein the outer sides of the plurality of compression air bags (11) and the hollow lantern ring (4) are provided with compression holes (12) at the abutting positions.

3. The wear-resistant petroleum non-magnetic drill collar as claimed in claim 1, wherein sealing gaskets (5) are embedded at the joints of the protective sleeve head (1) and the wear-resistant layers (3).

4. The wear-resistant petroleum non-magnetic drill collar as claimed in claim 1, wherein the plurality of ventilation layers (7) are embedded outside the hollow collar (4) and abut against the plurality of compression air bags (11).

5. The wear-resistant petroleum non-magnetic drill collar as claimed in claim 1, wherein the top of the drill collar core (6) and the top of the protective sleeve head (1) are both open and communicated with a mounting hole (9).

6. A wear-resistant petroleum non-magnetic drill collar according to claim 1, characterized in that a plurality of fastening bolts (8) are installed through the outside of the protective sleeve head (1).