Novel oil guide heating annular blowout preventer

Abstract

The utility model relates to the technical field of oil extraction, in particular to a novel oil guide heating annular blowout preventer, which comprises an upper flange, a top cover, a spherical rubber core, a joint ring, a piston and a casing, a heating interface is arranged on the casing, the upper flange, the top cover, the spherical rubber core, the joint ring, the piston and the casing are sequentially arranged from top to bottom, the spherical rubber core is arranged in the top cover, and the joint ring is arranged in the casing. The spherical rubber core is extruded in the top cover through the piston, the upper flange is fixed on the top cover through a hexagon bolt, the top cover is fixed on the shell through a double-end bolt and a cap-shaped nut, a huge force shackle is arranged on the top cover, and a joint ring is arranged between the piston and the top cover. The heating connector is arranged on the shell and communicated with the annular groove, the inner sealing ring, the outer sealing ring, the inner abrasion-resistant ring and the outer abrasion-resistant ring are arranged on the piston, the abrasion-resistant ring and the sealing ring are arranged on the joint ring, the heating effect is further guaranteed, and it is guaranteed that hydraulic oil in the blowout preventer is in a working state.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil production technology field, concretely is a novel oil guide heating annular blowout preventer. BACKGROUND

[0002] The hydraulic oil in the blowout preventer of the oil drilling equipment needs to be heated in the severe cold area to prevent the hydraulic oil from freezing in the low temperature working. The existing heating device is relatively simple, not universal and interchangeable, an electric heater is additionally installed in the control box, the power consumption is large, the temperature loss is serious, the heating speed is slow, the temperature is unstable, is not favorable for automatic control, and the safety is poor. SUMMARY

[0003] The utility model discloses a novel oil guide heating annular blowout preventer to solve the problems in the above background.

[0004] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0005] The utility model discloses a novel oil guide heating annular blowout preventer, including upper flange, top cover, spherical rubber core, joint ring, piston and shell, be equipped with heating interface on the shell, upper flange, top cover, spherical rubber core, joint ring, piston and shell are sequentially set from top to bottom, spherical rubber core sets up in the top cover, spherical rubber core is extruded in the top cover through the piston, upper flange is fixed on the top cover through the hexagon bolt, the top cover is fixed on the shell through the stud bolt and the cap nut, the top cover is equipped with the huge force unloading buckle, is equipped with the joint ring between the piston and the top cover.

[0006] Preferably, a rubber gasket ring is arranged between the upper flange and the top cover.

[0007] Preferably, a first sealing ring is arranged on the contact surface of the joint ring and the top cover, and a second sealing ring is arranged on the contact surface of the joint ring and the shell.

[0008] Preferably, a joint ring inner wear-resistant ring and a joint ring inner sealing ring are arranged on the contact surface of the piston and the joint ring.

[0009] Preferably, an annular groove is arranged on the shell, an extension end is arranged on one end of the piston for sealing the annular groove, a piston inner sealing ring and a shell wear-resistant ring are arranged on the contact surface of the piston and the annular groove on the inner side of the shell, and a piston outer sealing ring and a piston outer wear-resistant ring are arranged on the contact surface of the piston and the annular groove on the outer side of the shell.

[0010] Preferably, a conversion joint is arranged on the shell.

[0011] The utility model discloses have the following beneficial effects: adopt the heating interface that is equipped with on the casing, and the heating interface intercommunication ring groove, and the piston is provided with inner and outer sealing ring and inner and outer wear -resisting ring, and the joint ring is equipped with wear -resisting ring and sealing ring, further guarantee the heating effect, guarantee the hydraulic oil in the blowout preventer is in the working condition, and the utility model discloses can not use heating under the constant temperature, and the versatility is strong. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0013] Figure 1 It is the whole structure schematic diagram.

[0014] In the drawings, the component list represented by each sign is as follows:

[0015] In the drawing: 1, upper flange;2, rubber pad ring;3, hexagonal bolt;4, top cover;5, spherical rubber core;6, cover nut;7, stud bolt;8, first sealing ring;9, joint ring;10, second sealing ring;11, joint ring inner wear -resisting ring;12, joint ring inner sealing ring;13, piston inner sealing ring;14, casing wear -resisting ring;15, piston outer sealing ring;16, piston outer wear -resisting ring;17, conversion joint;18, piston;19, casing;20, giant power shackle. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0017] Please refer to Figure 1As shown, the utility model is a kind of novel oil guide heating annular blowout preventer, including upper flange 1, top cover 4, spherical rubber core 5, joint ring 9, piston 18 and shell 19, heating interface is equipped on the shell 19, upper flange 1, top cover 4, spherical rubber core 5, joint ring 9, piston 18 and shell 19 are sequentially arranged from top to bottom, spherical rubber core 5 is arranged in top cover 4, spherical rubber core 5 is extruded in top cover 4 by piston 18, upper flange 1 is fixed on top cover 4 by hexagon bolt 3, top cover 4 is fixed on shell 19 by stud bolt 7 and cap nut 6, top cover 4 is equipped with giant force unhooking 20, joint ring 9 is equipped between piston 18 and top cover 4.

[0018] Rubber pad ring 2 is equipped between upper flange 1 and top cover 4.

[0019] First sealing ring 8 is equipped on the contact surface of joint ring 9 and top cover 4, second sealing ring 10 is equipped on the contact surface of joint ring 9 and shell 19. Joint ring inner wear ring 11 and joint ring inner sealing ring 12 are equipped on the contact surface of piston 18 and joint ring 9. Annular groove is equipped on the shell 19, one end of piston 18 is equipped with extension end for sealing annular groove, piston inner sealing ring 13 and shell wear ring 14 are equipped on the contact surface of piston 18 and annular groove in the inner side of shell 19, piston outer sealing ring 15 and piston outer wear ring 16 are equipped on the contact surface of piston 18 and annular groove in the outer side of shell 19. Heating interface is equipped on the shell 19, and heating interface is communicated with annular groove, and the sealing wear resistance effect of the above structure, ensure that the hydraulic oil in blowout preventer is in working condition at low temperature.

[0020] The preferred embodiment disclosed above is only used to help the description of the utility model. The preferred embodiment does not describe all details, and the invention is not limited to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A novel oil-guiding and heating annular anti-spray device, comprising an upper flange (1), a top cover (4), a spherical rubber core (5), a connecting ring (9), a piston (18), and a housing (19), characterized in that: The housing (19) is provided with a heating interface. The upper flange (1), top cover (4), spherical rubber core (5), connecting ring (9), piston (18) and housing (19) are arranged in sequence from top to bottom. The spherical rubber core (5) is arranged inside the top cover (4). The spherical rubber core (5) is pressed into the top cover (4) by the piston (18). The upper flange (1) is fixed to the top cover (4) by hexagonal bolts (3). The top cover (4) is fixed to the housing (19) by double-ended bolts (7) and cap nuts (6). The top cover (4) is provided with a giant shackle (20). A connecting ring (9) is provided between the piston (18) and the top cover (4).

2. The novel oil-guiding and heating annular anti-spray device according to claim 1, characterized in that: A rubber gasket (2) is provided between the upper flange (1) and the top cover (4).

3. The novel oil-guiding and heating annular anti-spray device according to claim 1, characterized in that: A first sealing ring (8) is provided on the contact surface between the connecting ring (9) and the top cover (4), and a second sealing ring (10) is provided on the contact surface between the connecting ring (9) and the housing (19).

4. The novel oil-guiding and heating annular anti-spray device according to claim 1, characterized in that: The contact surface between the piston (18) and the coupling ring (9) is provided with a wear-resistant ring (11) inside the coupling ring and a sealing ring (12) inside the coupling ring.

5. A novel oil-guiding and heating annular anti-spray device according to claim 1, characterized in that: The housing (19) is provided with an annular groove, and one end of the piston (18) is provided with an extension end for sealing the annular groove. The piston (18) and the inner annular groove of the housing (19) are provided with an inner piston sealing ring (13) and a housing wear-resistant ring (14). The piston (18) and the outer annular groove of the housing (19) are provided with an outer piston sealing ring (15) and an outer piston wear-resistant ring (16).

6. The novel oil-guiding and heating annular anti-spray device according to claim 1, characterized in that: The housing (19) is provided with a conversion connector (17).

Images