CN212671668U - Quick plugging device of well head - Google Patents

Abstract

The utility model discloses a quick plugging device of well head, concretely relates to well head field, which comprises a base, the inside of base is inlayed and is installed the well head body, mounting groove has been seted up to the inside one side of well head body, mounting groove's inside joint has the connecting block, the surface demountable installation of connecting block has the go-between, the inside demountable installation of well head body has sealed the pad, the surface demountable installation of connecting block bottom has the dust screen. The utility model discloses a set up mutually supporting between main part and the dust screen to reached the high effect of exploitation purity, avoided at the in-process of in-service use, the purity that has the exploitation is low, because the main part is in work, down presses down, can produce the air current, so in case the air current that produces blows off the dust of well head inner wall, will lead to the purity reduction of oil, and then reduces the exploitation efficiency of device, and still be unfavorable for the problem of development, strengthened the practicality of device.

Description

Quick plugging device of well head

Technical Field

The utility model relates to a well head technical field, more specifically says, the utility model specifically is the quick plugging device of well head.

Background

The well head hanger is a channel for oil gas to reach the ground, and has the function of isolating the oil gas from all strata to ensure that the pressure of the oil gas is not leaked; the depth of the casing connected with the wellhead hanger entering the ground is basically the drilling depth, therefore, after the oil and gas well is shifted to production, the plugging quality of the wellhead hanger is guaranteed to be capable of maintaining a certain production life, on one hand, the plugging quality of the wellhead hanger is related to the safety of the exploratory well operation process, on the other hand, the plugging quality of the wellhead hanger is related to the whole process of the production well operation, and therefore, the plugging quality of the wellhead hanger is of vital importance.

In order to solve the problems, the patent of patent application publication number CN208106368U discloses a quick plugging device of well head hanger, refer to the attached figure 5 of the specification, make sealed well head hanger efficiency improve greatly through improving in this application, greatly reduced the exploitation degree of difficulty, saved the exploitation cost, improved work efficiency.

However, the technical scheme still has more defects in actual application;

firstly, the main body is arranged in the comparison document to plug the wellhead, but in the actual application process, the problem of low purity of exploitation exists, and the main body can generate airflow when being pressed downwards during working, so once the generated airflow blows off dust on the inner wall of the wellhead, the purity of petroleum is reduced, the exploitation efficiency of the device is further reduced, and the device is not beneficial to development;

secondly, because through setting up the handle in the contrast file, conveniently press the main part, but at the in-process of in-service use, there is the problem that the comfort level is low, because the material of handle is hard material component, so in case long-time use, will bring the pain for staff's palm of the hand, and then reduce the work efficiency of device, but also be unfavorable for the development.

It is therefore highly desirable to provide a wellhead quick plugging device.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a quick plugging device of well head, through setting up the mutually supporting between main part and the dust screen, thereby the effect that exploitation purity is high has been reached, the in-process at the in-process of in-service use has been avoided, there is the purity of exploitation low, because the main part is in the time of work, down press, can produce the air current, so in case the air current that produces blows off the dust of well head inner wall, will lead to the purity reduction of oil, and then the exploitation efficiency of reducing means, and still be unfavorable for the problem of development, the practicality of device has been strengthened, 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: quick plugging device of well head, which comprises a base, the inside of base is inlayed and is installed the well head body, mounting groove has been seted up to the inside one side of well head body, mounting groove's inside joint has the connecting block, the surface demountable installation of connecting block has the go-between, the inside demountable installation of well head body has sealed the pad, the surface demountable installation of connecting block bottom has the dust screen, the inside top demountable installation of well head body has the main part, the inside demountable installation of main part has the dabber, the surface demountable installation on dabber top has the round pin axle, one side demountable installation on dabber top has the handle, protective equipment has been cup jointed to the fixed surface of handle.

In a preferred embodiment, a first sealing ring is detachably mounted on one side of the top end of the wellhead body, and a split type fixture block is detachably mounted on the other side of the inside of the wellhead body.

In a preferred embodiment, a second sealing ring is detachably mounted on one side of the inside of the split-type fixture block, and a spring is detachably mounted on one side of the split-type fixture block.

In a preferred embodiment, the guard device comprises a guard collar having a surface with a nub removably mounted thereon.

In a preferred embodiment, the protective collar and the small bump are both made of rubber members, and the protective collar is cylindrical.

In a preferred embodiment, the protective collar is provided with a mounting opening inside, and the inner surface of the mounting opening is attached to the surface of the handle.

In a preferred embodiment, the number of the small bumps is several, and several small bumps are uniformly distributed on the surface of the protection ferrule.

In a preferred embodiment, the number of the sealing gaskets is two, the two sealing gaskets are respectively located on the surface of the top end of the dust screen and the surface of the bottom end of the dust screen, and the sealing gaskets are made of rubber components.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a mutually supporting between main part and the dust screen is set up to reach the effect that the exploitation purity is high, avoided in the in-process of actual use, there is the purity of exploitation low, because the main part is in the time of work, down pressing down, can produce the air current, so once the air current that produces blows off the dust of well head inner wall, will lead to the purity reduction of oil, and then reduce the exploitation efficiency of device, and the problem that is unfavorable for developing, strengthened the practicality of device;

2. the utility model discloses a set up mutually supporting between handle and the protective apparatus to reached the high effect of handle comfort level, avoided at the in-process of in-service use, there is the comfort level low, because the material of handle is rigid material component, so in case long-time use, will bring the pain for the staff palm of the hand, and then reduce the work efficiency of device, but also be unfavorable for the problem of development, thereby improved the work efficiency of device.

Drawings

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

Fig. 2 is the schematic view of the overlooking structure of the wellhead body of the utility model.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

Fig. 4 is a schematic structural view of the protection device of the present invention.

Fig. 5 is a schematic view of the overall structure of the comparison document.

The reference signs are: 1. a base; 2. a wellhead body; 3. installing a groove; 4. connecting blocks; 5. a connecting ring; 6. a gasket; 7. a dust screen; 8. a main body; 9. a mandrel; 10. a pin shaft; 11. a handle; 12. a protective device; 13. a first seal ring; 14. a split type fixture block; 15. a second seal ring; 16. a spring; 17. an installation port; 121. a protective ferrule; 122. and (5) a small bump.

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 quick wellhead plugging device shown in the attached figures 1-4 comprises a base 1, a wellhead body 2 is embedded and installed inside the base 1, one side inside the wellhead body 2 is provided with an installation groove 3, a connecting block 4 is clamped inside the installation groove 3, a connecting ring 5 is detachably installed on the surface of the connecting block 4, a sealing gasket 6 is detachably installed inside the wellhead body 2, a dustproof net 7 is detachably installed on the surface of the bottom end of the connecting block 4, a main body 8 is detachably installed on the top end inside the wellhead body 2, a mandrel 9 is detachably installed inside the main body 8, a pin shaft 10 is detachably installed on the surface of the top end of the mandrel 9, a handle 11 is detachably installed on one side of the top end of the mandrel 9, a protective device 12 is fixedly sleeved on the surface of the handle 11, a first sealing ring 13 is detachably installed on one side of the top end, inside one side demountable installation of split type fixture block 14 has second sealing washer 15, one side demountable installation of split type fixture block 14 has spring 16, protective apparatus 12 includes protection lasso 121, the surface demountable installation of protection lasso 121 has little lug 122, the material of protection lasso 121 and little lug 122 is rubber matter component, the shape of protection lasso 121 is cylindrical, installing port 17 has been seted up to the inside of protection lasso 121, the internal surface of installing port 17 is laminated with the surface of handle 11 mutually, the quantity of little lug 122 is a plurality of, a plurality of little lug 122 evenly distributed is on the surface of protection lasso 121, the quantity of sealed pad 6 is two, two sealed pads 6 are located the surface on dust screen 7 top and the surface of dust screen 7 bottom respectively, the material of sealed pad 6 is rubber matter component.

The implementation mode is specifically as follows: through the mutual matching of the main body 8 and the dust screen 7, the effect of high mining purity is achieved, and the practicability of the device is enhanced;

through setting up mutually supporting between handle 11 and the protective apparatus 12 to the effect that the handle 11 comfort level is high has been reached, thereby has improved the work efficiency of device.

Referring to fig. 4 in the specification, the protective collar 121 has a mounting opening 17 formed therein, and an inner surface of the mounting opening 17 is attached to a surface of the handle 11.

The implementation mode is specifically as follows: the comfort of the handle 11 is enhanced by the provision of the mounting opening 17 to facilitate mounting of the shielding device 12 on the handle 11.

The utility model discloses the theory of operation:

firstly, an operator normally assembles each component of the device, and then normally starts the device;

secondly, firstly, when an operator holds the protective equipment 12 on the handle 11, discomfort can be brought to the operator to avoid long-time work, the protective equipment 12 is fixedly sleeved on the surface of the handle 11, and because the protective ferrule 121 and the small bump 122 in the protective equipment 12 are both made of rubber components, the comfort level of the handle 11 can be increased, and the working efficiency of the device is enhanced, secondly, when the main body 8 blocks the wellhead body 2, downward airflow can be generated, and then dust on the inner wall of the wellhead body 2 is blown into oil to influence the quality of the oil, so that the bottom end inside the wellhead body 2 is provided with the dust screen 7, the dust screen 7 can filter the dust on the surface to avoid the dust from falling off, and further the quality of exploitation is enhanced;

and thirdly, firstly, normally closing the device by an operator, then checking whether the fixity among all components of the device is normal by the operator, and then replacing and maintaining parts with serious aging and abrasion in the device.

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 (8)

1. Quick plugging device of well head, including base (1), the inside of base (1) is inlayed and is installed well head body (2), its characterized in that: mounting groove (3) have been seted up to inside one side of well head body (2), the inside joint of mounting groove (3) has connecting block (4), the surface demountable installation of connecting block (4) has go-between (5), the inside demountable installation of well head body (2) has sealed the pad (6), the surface demountable installation of connecting block (4) bottom has dust screen (7), the inside top demountable installation of well head body (2) has main part (8), the inside demountable installation of main part (8) has dabber (9), the surface demountable installation on dabber (9) top has round pin axle (10), one side demountable installation on dabber (9) top has handle (11), protective equipment (12) have been cup jointed to the fixed surface of handle (11).

2. A wellhead rapid plugging device according to claim 1 wherein: one side demountable installation on well head body (2) top has first sealing washer (13), the inside opposite side demountable installation of well head body (2) has split type fixture block (14).

3. A wellhead rapid plugging device according to claim 2 wherein: one side demountable installation of split type fixture block (14) inside has second sealing washer (15), one side demountable installation of split type fixture block (14) has spring (16).

4. A wellhead rapid plugging device according to claim 1 wherein: the protection device (12) comprises a protection ring (121), and a small bump (122) is detachably mounted on the surface of the protection ring (121).

5. A wellhead rapid plugging device according to claim 4, characterized in that: the protective ferrule (121) and the small bump (122) are both made of rubber components, and the protective ferrule (121) is cylindrical.

6. A wellhead rapid plugging device according to claim 4, characterized in that: the protective collar (121) is internally provided with a mounting opening (17), and the inner surface of the mounting opening (17) is attached to the surface of the handle (11).

7. A wellhead rapid plugging device according to claim 4, characterized in that: the number of the small bumps (122) is several, and the small bumps (122) are uniformly distributed on the surface of the protection ring (121).

8. A wellhead rapid plugging device according to claim 1 wherein: the quantity of sealed pad (6) is two, two sealed pad (6) are located respectively the surface on dust screen (7) top with the surface of dust screen (7) bottom, the material of sealed pad (6) is the rubber matter component.

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