CN209494551U - A kind of oil exploitation sand-proof pipe - Google Patents

Abstract

The utility model discloses a kind of oil exploitation sand-proof pipes, including support base, external chimney filter, built-in chimney filter and rotation axis, the inside front of the support base is fixed with connecting rod A, the external chimney filter is fixed on the top of support base, connecting rod B is provided with above the grinding stone plate, rotating cylinder B is rotatably connected on the outside of the connecting rod B, and the outer surface of rotating cylinder B is fixed with grinding stone convex block B, the inner hub location of external chimney filter is arranged in the built-in chimney filter, the rotation axis is rotatably installed in the inside of bearing, the both ends of the external chimney filter are symmetrically fixed with outboard mounting plates, the surface of the built-in chimney filter offers built-in through-hole.The oil exploitation sand-proof pipe, sandstone can then be rotated when passing through between rotating cylinder B and grinding stone plate and grind, and be not grated complete sandstone also can be further crushed using staggered two rotating cylinder A, so that the volume of sandstone becomes smaller, the sandstone after grinding will not then be blocked through-hole.

Description

A kind of oil exploitation sand-proof pipe

Technical field

The utility model relates to technical field of petroleum extraction, specially a kind of oil exploitation sand-proof pipe.

Background technique

Petroleum, one of main object of geological prospecting are a kind of sticky, dark brown liquid, referred to as " industrial blood Liquid ", it can be seen that using the critical role occupied in the industry, petroleum is hidden in the earth formation more, needed as a kind of energy Implement corresponding technical solution and apparatus is acquired it, and when petroleum is produced in the earth formation indispensable is exactly Sand-proof pipe, sand-proof pipe can play the role of removal to the sand lump being mingled in petroleum, and avoiding sand lump from being entrained in petroleum influences stone The transmission of oil, but the sand-proof pipe used in most of oil exploitation now can not well carry out brokenly the sandstone being mingled with Broken, so that the biggish sandstone of the volume filtered is deposited in the periphery of sand-proof pipe, this long accumulation is easy to out if going down The case where being blocked around existing sand-proof pipe by sandstone.In view of the above-mentioned problems, on the basis of original oil exploitation sand-proof pipe into Row innovative design.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of oil exploitation sand-proof pipe, solves now big The sand-proof pipe used in most oil exploitations can not well be crushed the sandstone being mingled with, so that filtered The biggish sandstone of volume is deposited in the periphery of sand-proof pipe, this long accumulation go down if it is easy to appear around sand-proof pipe by sandstone The problem of the case where blocking.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of oil exploitation sand-proof pipe, including branch Supportting seat, external chimney filter, built-in chimney filter and rotation axis, the inside front of the support base is fixed with connecting rod A, and connecting rod A Outside is rotatably connected to rotating cylinder A, and the outer surface of rotating cylinder A is fixed with grinding stone convex block A, and the external chimney filter is fixed on support base Top, and external chimney filter inner sidewall below be symmetrically fixed with grinding stone plate, be provided with connection above the grinding stone plate Bar B, and be fixed to each other on the inside of connecting rod B and external chimney filter, rotating cylinder B, and rotating cylinder are rotatably connected on the outside of the connecting rod B The outer surface of B is fixed with grinding stone convex block B, and the inner hub location of external chimney filter, and built-in chimney filter is arranged in the built-in chimney filter Inner sidewall be fixed to each other by fixed link and bearing, the rotation axis is rotatably installed in the inside of bearing, and rotation axis is outer One end of side wall and side bar is welded and fixed, and one end of side bar is equipped with cleaning brush, the both ends pair of the external chimney filter Title is fixed with outboard mounting plates, and the surface of external chimney filter offers external through-hole, and the surface of the built-in chimney filter offers interior Set through-hole.

Preferably, the positive longitudinal section of the support base is in the form of an " L ", and its side longitudinal section is in " n " shape structure, and The length of support base is equal to the length of external chimney filter.

Preferably, there are two the rotating cylinder A is symmetrical arranged, and the outer surface of rotating cylinder A is equidistantly fixed with grinding stone convex block A, And the grinding stone convex block A on the outside of 2 rotating cylinder A is staggered, while the connection of support base and external chimney filter is arranged in 2 rotating cylinder A Between.

Preferably, the positive longitudinal section of the external chimney filter is in equilateral octagonal structure, and external chimney filter and built-in chimney filter And the central point of outboard mounting plates three is identical, and the rear surface of external chimney filter and outboard mounting plates is fixed to each other, and The inner sidewall of outboard mounting plates is welded as a whole with built-in chimney filter.

Preferably, the overall diameter of the rotating cylinder B is less than the standoff distance between built-in chimney filter and external chimney filter, and rotating cylinder B Outer surface be equidistantly fixed with grinding stone convex block B, and grinding stone convex block B and grinding stone plate are adjacent close.

Preferably, it is equally symmetrically fixed with grinding stone plate below the lateral wall of the built-in chimney filter, and on the outside of built-in chimney filter Grinding stone plate and external chimney filter on the inside of grinding stone plate be symmetricly set on the outer surface two sides of rotating cylinder B, and rotating cylinder B and grinding stone The length of plate is identical.

Preferably, the length of the rotation axis is equal to the length of built-in chimney filter, and built-in chimney filter surface open up it is built-in logical The aperture in hole is less than the aperture of external through-hole, and the distribution length range of the distribution length range of external through-hole and built-in through-hole It is consistent.

(3) beneficial effect

The utility model provides a kind of oil exploitation sand-proof pipe.Have it is following the utility model has the advantages that

(1), the oil exploitation sand-proof pipe, by the setting of built-in chimney filter and external chimney filter, and external chimney filter surface External through-hole aperture be greater than built-in through-hole aperture, so when the device during use, be mingled with the stone of sandstone Oil is entered in built-in chimney filter by built-in through-hole again after first passing through the filtering of external chimney filter, so as to rise well to sandstone To the effect of filtering, double medium filtration enables the removal effect of sandstone more preferable.

(2), the oil exploitation sand-proof pipe, by the setting of rotating cylinder A and rotating cylinder B, the top of rotating cylinder A is arranged in rotating cylinder B, When petroleum and sandstone enter to external chimney filter and built-in chimney filter across external through-hole, the biggish sandstone of volume be cannot be introduced into To in built-in chimney filter, just the inner sidewall along equilateral octagonal external chimney filter is slid downwards, and sandstone passes through rotating cylinder B and millstone board It can then be rotated and grind when between block, and not being grated complete sandstone also can be by using staggered two rotating cylinder A Further broken, so that the volume of sandstone becomes smaller, the sandstone after grinding will not then be blocked through-hole.

(3), the oil exploitation sand-proof pipe, by the setting of the rotation axis rotated in built-in chimney filter, rotation axis is being rotated During enable the cleaning brush on the bar of side to carry out rotation cleaning to the inner sidewall of built-in chimney filter, also can be good at keeping away Exempt from sandstone and is blocked in built-in through hole.

Detailed description of the invention

Fig. 1 is the utility model front cross-sectional structural schematic diagram；

Fig. 2 is the utility model front overall structure diagram；

Fig. 3 is the utility model side overall structure diagram；

Fig. 4 is chimney filter side structure schematic diagram built in the utility model；

Fig. 5 is the utility model rotation axis side structure schematic diagram.

In figure: 1, support base；2, connecting rod A；3, rotating cylinder A；4, grinding stone convex block A；5, external chimney filter；6, grinding stone plate；7, Connecting rod B；8, rotating cylinder B；9, grinding stone convex block B；10, built-in chimney filter；11, fixed link；12, bearing；13, rotation axis；14, side Bar；15, cleaning brush；16, outboard mounting plates；17, external through-hole；18, built-in through-hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs. 1-5, the utility model provides a kind of technical solution: a kind of oil exploitation sand-proof pipe, including support Seat 1, connecting rod A2, rotating cylinder A3, grinding stone convex block A4, external chimney filter 5, grinding stone plate 6, connecting rod B7, rotating cylinder B8, grinding stone convex block It is B9, built-in chimney filter 10, fixed link 11, bearing 12, rotation axis 13, side bar 14, cleaning brush 15, outboard mounting plates 16, external logical Hole 17 and built-in through-hole 18, the inside front of support base 1 is fixed with connecting rod A2, and is rotatably connected on the outside of connecting rod A2 Cylinder A3, and the outer surface of rotating cylinder A3 is fixed with grinding stone convex block A4, and external chimney filter 5 is fixed on the top of support base 1, and external filter Be symmetrically fixed with grinding stone plate 6 below the inner sidewall of pipe 5, the top of grinding stone plate 6 is provided with connecting rod B7, and connecting rod B7 with The inside of external chimney filter 5 is fixed to each other, and rotating cylinder B8 is rotatably connected on the outside of connecting rod B7, and the outer surface of rotating cylinder B8 is fixed with Grinding stone convex block B9, the inner hub location of external chimney filter 5 is arranged in built-in chimney filter 10, and the inner sidewall of built-in chimney filter 10 passes through admittedly Fixed pole 11 is fixed to each other with bearing 12, and rotation axis 13 is rotatably installed in the inside of bearing 12, and the lateral wall of rotation axis 13 and side One end of side rod 14 is welded and fixed, and one end of side bar 14 is equipped with cleaning brush 15, and the both ends of external chimney filter 5 are symmetrically fixed There are outboard mounting plates 16, and the surface of external chimney filter 5 offers external through-hole 17, the surface of built-in chimney filter 10 offers built-in logical Hole 18；

The positive longitudinal section of support base 1 is in the form of an " L ", and its side longitudinal section is in " n " shape structure, and support base 1 Length is equal to the length of external chimney filter 5, convenient for the installation of the device, and is also convenient for the placement of later period sandstone；

There are two rotating cylinder A3 is symmetrical arranged, and the outer surface of rotating cylinder A3 is equidistantly fixed with grinding stone convex block A4, and 2 turn Grinding stone convex block A4 on the outside of cylinder A3 is staggered, at the same 2 rotating cylinder A3 be arranged in support base 1 and external chimney filter 5 junction it Between, such setting can grind the sandstone for the junction for being located at support base 1 and external chimney filter 5；

The positive longitudinal section of external chimney filter 5 is in equilateral octagonal structure, and external chimney filter 5 and built-in chimney filter 10 and outside The central point of 16 three of mounting plate is identical, and external chimney filter 5 and the rear surface of outboard mounting plates 16 are fixed to each other, and outside The inner sidewall of mounting plate 16 is welded as a whole with built-in chimney filter 10, convenient for the flowing of sandstone and petroleum；

The overall diameter of rotating cylinder B8 is less than the standoff distance between built-in chimney filter 10 and external chimney filter 5, and the appearance of rotating cylinder B8 Face is equidistantly fixed with grinding stone convex block B9, and grinding stone convex block B9 is closed on 6 phase of grinding stone plate, rotating cylinder B8 can in rotation and The mutual cooperation of grinding stone plate 6 grinds sandstone；

Grinding stone plate 6, and the grinding stone in 10 outside of built-in chimney filter are equally symmetrically fixed with below the lateral wall of built-in chimney filter 10 The grinding stone plate 6 of 5 inside of plate 6 and external chimney filter is symmetricly set on the outer surface two sides of rotating cylinder B8, and rotating cylinder B8 and grinding stone The length of plate 6 is identical, so that the cooperation of rotating cylinder B8 and grinding stone plate 6 is more preferable；

The length of rotation axis 13 is equal to the length of built-in chimney filter 10, and the built-in through-hole 18 that opens up of 10 surface of built-in chimney filter Aperture is less than the aperture of external through-hole 17, and the distribution length model of the distribution length range of external through-hole 17 and built-in through-hole 18 Enclose consistent, such setting can play the anti-blocking effect of certain cleaning to built-in chimney filter 10.

In use, the used support base 1 of the device is mounted in oil exploitation place, and the device is installed by outside Plate 16 is connected with each other with corresponding oil exploitation instrument, and during the device use, the petroleum for being mingled with sandstone is first passed through External through-hole 17 enters between external chimney filter 5 and built-in chimney filter 10, and some petroleum also can directly enter along built-in through-hole 18 Extremely in built-in chimney filter 10, and the biggish sandstone of volume then slides downwards along the inclined inner sidewall of external chimney filter 5 at this time, reaches and turns Between cylinder B8 and grinding stone plate 6, rotating cylinder B8 and grinding stone plate 6 in rotation cooperate so as to grind to sandstone, And the sandstone in 1 junction of external chimney filter 5 and support base can also be staggered the grinding stone of two outer surfaces rotating cylinder A3 of setting Convex block A4 is ground, and pulverized sandstone becomes powdered or volume is small, then is fallen between two support bases 1, and prop up The side longitudinal section for supportting seat 1 is in " n " shape, so when powdered sandstone accumulates more between two support bases 1, additionally it is possible to It is spread toward both sides, so as to avoid through-hole to be blocked well；

Petroleum circulates in it after entering in built-in chimney filter 10, and the petroleum flowed will drive rotation axis 13 in axis It holds in 12 and rotates, the side bar 14 rotated with it at this time is but also cleaning brush 15 can carry out clearly the inside of built-in chimney filter 10 Reason, had both accelerated the velocity of liquid assets of petroleum, and also can be avoided sandstone and be blocked in built-in through-hole 18, while in this specification The content being not described in detail belongs to the prior art well known to professional and technical personnel in the field.

It can to sum up obtain, the oil exploitation sand-proof pipe, by the setting of built-in chimney filter 10 and external chimney filter 5, and it is external The aperture of the external through-hole 17 on 5 surface of chimney filter is greater than the aperture of built-in through-hole 18, so work as the device during use, folder The petroleum of miscellaneous sandstone is entered in built-in chimney filter 10 by built-in through-hole 18 again after first passing through the filtering of external chimney filter 5, thus It can be good at playing the role of sandstone filtering, double medium filtration enables the removal effect of sandstone more preferable, and passes through rotating cylinder The top of rotating cylinder A3 is arranged in the setting of A3 and rotating cylinder B8, rotating cylinder B8, when petroleum and sandstone pass through external through-hole 17 and enter to outside When setting between chimney filter 5 and built-in chimney filter 10, the biggish sandstone of volume be cannot be introduced into built-in chimney filter 10, just along equilateral illiciumverum The inner sidewall of the external chimney filter 5 of shape slides downwards, and sandstone can then be rotated mill when passing through between rotating cylinder B8 and grinding stone plate 6 It is broken, and be not grated complete sandstone and also can be further crushed using staggered two rotating cylinder A3, so that The volume of sandstone becomes smaller, and the sandstone after grinding will not then block through-hole, and the rotation axis by rotating in built-in chimney filter 10 13 setting, rotation axis 13 enable the cleaning brush 15 on side bar 14 to the inside of built-in chimney filter 10 in the course of rotation Wall carries out rotation cleaning, also can be good at that sandstone is avoided to be blocked at built-in through-hole 18.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of oil exploitation sand-proof pipe, including support base (1), external chimney filter (5), built-in chimney filter (10) and rotation axis (13), it is characterised in that: the inside front of the support base (1) is fixed with connecting rod A (2), and the outside of connecting rod A (2) turns It is dynamic to be connected with rotating cylinder A (3), and the outer surface of rotating cylinder A (3) is fixed with grinding stone convex block A (4), and the external chimney filter (5) is fixed on The top of support base (1), and be symmetrically fixed with grinding stone plate (6) below the inner sidewall of external chimney filter (5), the grinding stone plate (6) it is provided with above connecting rod B (7), and is fixed to each other on the inside of connecting rod B (7) and external chimney filter (5), the connecting rod B (7) it is rotatably connected on the outside of rotating cylinder B (8), and the outer surface of rotating cylinder B (8) is fixed with grinding stone convex block B (9), the built-in chimney filter (10) inner hub location in external chimney filter (5) is set, and the inner sidewall of built-in chimney filter (10) passes through fixed link (11) and axis (12) are held to be fixed to each other, the rotation axis (13) is rotatably installed in the inside of bearing (12), and the lateral wall of rotation axis (13) with One end of side bar (14) is welded and fixed, and one end of side bar (14) is equipped with cleaning brush (15), the external chimney filter (5) Both ends be symmetrically fixed with outboard mounting plates (16), and the surface of external chimney filter (5) offers external through-hole (17), described built-in The surface of chimney filter (10) offers built-in through-hole (18).

2. a kind of oil exploitation sand-proof pipe according to claim 1, it is characterised in that: the front of the support base (1) Longitudinal section is in the form of an " L ", and its side longitudinal section is in " n " shape structure, and the length of support base (1) is equal to external chimney filter (5) Length.

3. a kind of oil exploitation sand-proof pipe according to claim 1, it is characterised in that: the rotating cylinder A (3) is symmetrical arranged There are two, and the outer surface of rotating cylinder A (3) is equidistantly fixed with grinding stone convex block A (4), and the grinding stone on the outside of 2 rotating cylinder A (3) is convex Block A (4) is staggered, while 2 rotating cylinder A (3) are arranged between support base (1) and the junction of external chimney filter (5).

4. a kind of oil exploitation sand-proof pipe according to claim 1, it is characterised in that: the external chimney filter (5) is just Face longitudinal section is in equilateral octagonal structure, and external chimney filter (5) and built-in chimney filter (10) and outboard mounting plates (16) three Central point is identical, and external chimney filter (5) and the rear surface of outboard mounting plates (16) are fixed to each other, and outboard mounting plates (16) Inner sidewall be welded as a whole with built-in chimney filter (10).

5. a kind of oil exploitation sand-proof pipe according to claim 1, it is characterised in that: the overall diameter of the rotating cylinder B (8) Outer surface less than the standoff distance between built-in chimney filter (10) and external chimney filter (5), and rotating cylinder B (8) is equidistantly fixed with mill Stone convex block B (9), and grinding stone convex block B (9) is mutually closed on grinding stone plate (6).

6. a kind of oil exploitation sand-proof pipe according to claim 1, it is characterised in that: outside the built-in chimney filter (10) It is equally symmetrically fixed with grinding stone plate (6) below side wall, and grinding stone plate (6) and external chimney filter on the outside of built-in chimney filter (10) (5) the grinding stone plate (6) on the inside of is symmetricly set on the outer surface two sides of rotating cylinder B (8), and rotating cylinder B (8) and grinding stone plate (6) Length it is identical.

7. a kind of oil exploitation sand-proof pipe according to claim 1, it is characterised in that: the length of the rotation axis (13) Equal to the length of built-in chimney filter (10), and the aperture of built-in through-hole (18) that built-in chimney filter (10) surface opens up is less than external through-hole (17) aperture, and the distribution length range of external through-hole (17) is consistent with the distribution length range of built-in through-hole (18).