CN212454300U

CN212454300U - Rubber type instrument inner shock absorber

Info

Publication number: CN212454300U
Application number: CN202020453277.0U
Authority: CN
Inventors: 徐艳丽; 严小旭
Original assignee: Heilongjiang Getai Technology Development Co ltd
Current assignee: Heilongjiang Getai Technology Development Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-02-02
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a bumper shock absorber in rubber formula instrument, concretely relates to oil well device technical field, including centralizer base member body, the helicla flute has been seted up on the surface of centralizer base member body, the top fixed mounting of centralizer base member body has the support frame, there are upper end and lower end on the top of centralizer base member body and bottom fixed mounting respectively, the inside fixed bonding of end has the sealing washer down, the fixed surface of sealing washer bonds and has one deck semicircle fender ring, the circular slot has been seted up to the inside of centralizer base member body. The utility model discloses a set up anticorrosive material layer, the material that has utilized anticorrosive material layer is polymer nano-material for polymer nano-material can form the one deck oil film between the surface of centralizer base member body and fluid and the groundwater layer, has avoided fluid and groundwater to invade the inside of centralizer base member body, has reduced the corrosion efficiency of centralizer base member body.

Description

Rubber type instrument inner shock absorber

Technical Field

The utility model relates to an oil well technical field, more specifically say, the utility model relates to a bumper shock absorber in rubber formula instrument.

Background

The centralizer is an indispensable auxiliary device in the oil well work, and the centralizer effect: centralizing and connecting conduction, and providing necessary flexible bending for the instrument, and the centralizing devices are of the following types: the instrument is provided with a rubber six-wing centralizer and a bow plate type centralizer, and the centralizer mainly comprises: centralizer base member assembly, last end, lower end, pressure spring, spring pad, centralizer glue wing sleeve or bow plate centralizer sleeve, semicircle fender ring and sealing washer etc. when the centralizer need be changed and maintenance work, need be used to centralizer tool equipment, centralizer frock: the centralizer can be disassembled and maintained by using a centralizer tool, in the working process of an oil well, after an oil layer is drilled in a general oil well, an oil layer casing pipe is put into the oil layer casing pipe, oil well cement is injected into an annular space between the casing pipe and the well wall to maintain the well wall and seal an oil layer, then the oil layer is shot by a perforating gun according to the requirements of oil field development to form a channel, an oil pipe is put into the channel, the oil is lifted to a well mouth from the bottom of the oil well by using a proper flow inducing method, and then the oil well pipe is supported by the centralizer, so that the normal work of the oil well can be ensured.

However, in practical use, there still exist some disadvantages, such as:

one, current device is when using, because the device need put the inside at the oil well, contacts fluid and stratum basale liquid, therefore the corrosion efficiency of current device is very fast, and the life-span is shorter, uses a period after, and the surface and the inside of current device can receive very big erosion, and the device after the erosion can be washed out and fall by fluid, is unfavorable for the security of current device.

When the device is used, the device needs to be placed in an oil well and contacts oil liquid and bottom layer liquid, so that the corrosion efficiency of the device is high, the service life of the device is short, the use cost of the device is high, the cost budget of the device is increased, and the economic benefit and the practical effect of the device are not facilitated.

Therefore, it is desirable to provide an anti-corrosion rubber-type instrument internal shock absorber.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a bumper shock absorber in rubber formula instrument, through setting up anticorrosive material layer, the material that has utilized anticorrosive material layer is polymer nano-material, make polymer nano-material can form the one deck oil film between surface and fluid and the groundwater layer of centralizer base member body, the inside of having avoided fluid and groundwater to invade centralizer base member body, the corrosion efficiency of centralizer base member body has been reduced, the life of centralizer base member body has been increased, in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bumper shock absorber in rubber formula instrument, includes centralizer base member body, the helicla flute has been seted up on the surface of centralizer base member body, the top fixed mounting of centralizer base member body has the support frame, there are upper end and lower tip on the top of centralizer base member body and bottom fixed mounting respectively, the inside fixed bonding of lower end has the sealing washer, the fixed surface of sealing washer bonds and has one deck semicircle fender ring, the circular slot has been seted up to the inside of centralizer base member body, the inside fixed mounting of centralizer base member body has first connecting plate, the top winding of first connecting plate has the connection rope, the top fixedly connected with expanding spring of connection rope, the fixed welding in top of expanding spring has the second connecting plate, the fixed surface of centralizer base member body has scribbled one deck anticorrosive material layer.

In a preferred embodiment, the material of the centralizer base body is a hard rubber component.

In a preferred embodiment, the inner surface of the helical groove is smooth and the depth of the inner portion of the helical groove ranges from two to three centimeters.

In a preferred embodiment, the material of the support frame is a metal component, the number of the support frames is two, the two support frames are respectively located at the top end and the bottom end of the centralizer base body, and the support frame and the centralizer base body are detachably mounted.

In a preferred embodiment, the circular groove extends through the entire interior of the centralizer base body from left to right.

In a preferred embodiment, the first connecting plate and the second connecting plate are provided with round holes on the surfaces, and the connecting rope is wound inside the round holes on the surfaces of the first connecting plate and the second connecting plate.

In a preferred embodiment, the thickness of the anti-corrosion material layer ranges from one millimeter to two millimeters, the anti-corrosion material layer is adhered to each surface of the centralizer base body, and the anti-corrosion material layer is made of a polymer nano material.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up anticorrosive material layer, the material that has utilized anticorrosive material layer is polymer nano-material for polymer nano-material can form the one deck oil film between the surface of centralizer base member body and fluid and the groundwater layer, has avoided fluid and groundwater to invade the inside of centralizer base member body, has reduced the corrosion efficiency of centralizer base member body, has increased the life of centralizer base member body.

2. The utility model discloses a set up anticorrosive material layer, the material on anticorrosive material layer that has utilized centralizer base member body is polymer nano-material for polymer nano-material can form the one deck oil film between the surface of centralizer base member body and fluid and the groundwater layer, has avoided fluid and groundwater to invade the inside of centralizer base member body, has reduced the device's use cost, has increased the device's economic benefits.

Drawings

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

Fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 3 is a schematic sectional view of the present invention.

Fig. 4 is a schematic view of the internal cross-section structure of the present invention.

The reference signs are: 1. a centralizer base body; 2. a helical groove; 3. a support frame; 4. an upper end head; 5. A lower end head; 6. a seal ring; 7. a semicircular baffle ring; 8. a circular groove; 9. a first connecting plate; 10. connecting ropes; 11. a tension spring; 12. a second connecting plate; 13. a layer of corrosion resistant material.

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.

The rubber type instrument inner shock absorber shown in the attached figures 1-4 comprises a centralizer base body 1, wherein a spiral groove 2 is formed in the surface of the centralizer base body 1, a supporting frame 3 is fixedly installed at the top end of the centralizer base body 1, an upper end head 4 and a lower end head 5 are respectively and fixedly installed at the top end and the bottom end of the centralizer base body 1, a sealing ring 6 is fixedly bonded inside the lower end head 5, a semicircular baffle ring 7 is fixedly bonded on the surface of the sealing ring 6, a circular groove 8 is formed in the centralizer base body 1, a first connecting plate 9 is fixedly installed inside the centralizer base body 1, a connecting rope 10 is wound at the top end of the first connecting plate 9, an expansion spring 11 is fixedly connected at the top end of the connecting rope 10, a second connecting plate 12 is fixedly welded at the top end of the expansion spring 11, an anti-corrosion material layer 13 is fixedly coated on the surface of the centralizer base body 1, centralizer base member body 1's material is hard rubber matter component, the internal surface of helicla flute 2 is smooth, and the inside degree of depth range of helicla flute 2 is two centimetres to three centimetres, support frame 3's material is the metallics component, and support frame 3's quantity is two, two support frames 3 are located centralizer base member body 1's top and bottom respectively, and support frame 3 and centralizer base member body 1 are demountable installation, circular slot 8 from left to right runs through whole centralizer base member body 1's inside, the round hole has been seted up on the surface of first connecting plate 9 and second connecting plate 12, and connect rope 10 windings inside the surface round hole of first connecting plate 9 and second connecting plate 12.

Referring to the attached drawing 3 of the specification, the thickness of the anti-corrosive material layer 13 ranges from one millimeter to two millimeters, the anti-corrosive material layer 13 is adhered to each surface of the centralizer matrix body 1, and the anti-corrosive material layer 13 is made of a polymer nano material.

The implementation mode is specifically as follows: the material that has utilized anticorrosive material layer 13 is the polymer nano-material for the polymer nano-material can form the one deck oil film between the surface of centralizer base member body 1 and fluid and the groundwater layer, has avoided fluid and groundwater to invade the inside of centralizer base member body 1, has reduced the corrosion efficiency of centralizer base member body 1, has increased the life of centralizer base member body 1.

The utility model discloses the theory of operation:

the first step is as follows: the operator first assembles the various components of the device normally and then starts the device normally.

The second step is that: at first operating personnel puts into the inside of oil well head with centralizer base member body 1, the material of the surface anticorrosive material layer 13 that has utilized centralizer base member body 1 is polymer nano-material, make polymer nano-material can form the one deck oil film between surface and fluid and the groundwater layer of centralizer base member body 1, avoided fluid and groundwater to invade the inside of centralizer base member body 1, the corrosion efficiency of centralizer base member body 1 has been reduced, the life of centralizer base member body 1 has been increased.

The third step: firstly, an operator normally closes the device, then the operator checks whether the fixity among all components of the device is normal or not, then parts with serious aging and abrasion in the device are replaced and maintained, then the operator cleans the surface of the device, and finally the device finishes the anti-corrosion work operation on the centralizer matrix body 1.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bumper shock absorber in rubber formula instrument, includes centralizer base member body (1), helicla flute (2) have been seted up on the surface of centralizer base member body (1), the top fixed mounting of centralizer base member body (1) has support frame (3), there are last end (4) and lower end (5), its characterized in that on the top of centralizer base member body (1) and bottom fixed mounting respectively: the inside fixed bonding of lower end (5) has sealing washer (6), the fixed surface bonding of sealing washer (6) has one deck semicircle fender ring (7), circular slot (8) have been seted up to the inside of centralizer base member body (1), the inside fixed mounting of centralizer base member body (1) has first connecting plate (9), the top winding of first connecting plate (9) has connection rope (10), the top fixedly connected with expanding spring (11) of connecting rope (10), the fixed welding in top of expanding spring (11) has second connecting plate (12), the fixed surface of centralizer base member body (1) has been smeared one deck anticorrosive material layer (13).

2. The rubber-type instrumental shock absorber according to claim 1, wherein: the centralizer base body (1) is made of hard rubber components.

3. The rubber-type instrumental shock absorber according to claim 1, wherein: the inner surface of the spiral groove (2) is smooth, and the depth value range of the inner part of the spiral groove (2) is two centimeters to three centimeters.

4. The rubber-type instrumental shock absorber according to claim 1, wherein: the material of support frame (3) is the metal component, and the quantity of support frame (3) is two, and two support frames (3) are located the top and the bottom of centralizer base member body (1) respectively, and support frame (3) and centralizer base member body (1) are demountable installation.

5. The rubber-type instrumental shock absorber according to claim 1, wherein: the circular groove (8) penetrates through the whole centralizer base body (1) from left to right.

6. The rubber-type instrumental shock absorber according to claim 1, wherein: round holes are formed in the surfaces of the first connecting plate (9) and the second connecting plate (12), and the connecting rope (10) is wound inside the round holes in the surfaces of the first connecting plate (9) and the second connecting plate (12).

7. The rubber-type instrumental shock absorber according to claim 1, wherein: the thickness value range of the anticorrosive material layer (13) is one millimeter to two millimeters, the anticorrosive material layer (13) is bonded on each surface of the centralizer matrix body (1), and the anticorrosive material layer (13) is made of a high-molecular nano material.