CN218439322U

CN218439322U - Wellhead thermal insulation device applied to oil production well

Info

Publication number: CN218439322U
Application number: CN202122782336.6U
Authority: CN
Inventors: 张威; 罗红涛; 赵先瑞; 杨娜娜; 安力; 吴萍
Original assignee: China Petroleum and Chemical Corp; Sinopec Shengli Oilfield Co Shengli Oil Extraction Plant
Current assignee: China Petroleum and Chemical Corp; Sinopec Shengli Oilfield Co Shengli Oil Extraction Plant
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2023-02-03
Anticipated expiration: 2031-11-13

Abstract

The utility model relates to an oil recovery production facility technical field, and disclose a well head heat preservation device who is applied to oil recovery production well, including oil recovery well head and heat preservation lid, heat preservation lid movable mounting is at the top of oil recovery well head, and the inside of heat preservation lid is inlayed and is installed the heater, and the output fixed mounting of heater has the heat conduction piece, and the bottom wall of heat conduction piece has run through the bottom wall of oil recovery well head, and the bottom wall fixed mounting of heat conduction piece has the hot plate, and the size of hot plate is unanimous with the inside size of oil recovery well head, and the heat preservation is covered and is provided with the rotatory drive arrangement of drive heat preservation lid, is provided with clean mechanism on the hot plate. The utility model discloses in, the scraper is laminated mutually with the inside of producing well head, and the scraper will be with the inner wall rotary contact of producing well head when the hot plate is driven rotatory, scrapes the greasy dirt on the producing well head inner wall down to reached the hot plate and let the heat lose when the conduction when heating the producing well head still less.

Description

Wellhead thermal insulation device applied to oil production well

Technical Field

The utility model relates to an oil recovery production facility technical field especially relates to be applied to well head heat preservation device of oil recovery production well.

Background

The oil extraction method in China is basically an oil extraction method, which needs to install an oil extraction wellhead device, which is a main device for controlling and adjusting oil well production, and needs to keep the wellhead warm to prevent the wellhead from freezing in winter, and a small amount of crude oil often falls on the wellhead device in the oil extraction production process, so that more heat is lost in heat conduction. To this end, we propose a wellhead insulation device applied to oil production wells.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides a wellhead thermal insulation device applied to an oil production well.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, be applied to the well head heat preservation device of oil recovery production well, including oil recovery well head and heat preservation lid, heat preservation lid movable mounting is at the top of oil recovery well head, the inside of heat preservation lid is inlayed and is installed the heater, the output fixed mounting of heater has the heat conduction piece, the bottom wall of oil recovery well head has been run through to the bottom of heat conduction piece, the bottom wall fixed mounting of heat conduction piece has the hot plate, and the size of hot plate is unanimous with the inside size of oil recovery well head, it covers the rotatory drive arrangement of drive heat preservation lid to be provided with the heat preservation on the heat preservation, be provided with clean mechanism on the hot plate, clean mechanism is including clean groove and scraper, clean groove is seted up on the hot plate, clean groove has run through the upper and lower wall of hot plate, the inside movable mounting of clean groove has the scraper.

Preferably, the driving device comprises two mounting grooves and two mounting shafts, the two mounting grooves are symmetrically arranged at the position, corresponding to the top wall surface of the wellhead of the oil production well, of the bottom wall surface of the heat preservation cover, and the two mounting shafts are movably mounted inside the two mounting grooves respectively.

Preferably, the installation axle all fixedly cup joints the gyro wheel, and the motor mounting groove has been seted up to the position that corresponds one of them installation axle on the lateral wall of heat preservation lid, and fixed mounting has driving motor in the motor mounting groove, driving motor's output and installation axle fixed connection.

Preferably, one side wall surface of the scraper close to the wellhead of the oil production well is an arc surface attached to the wellhead of the oil production well, a connecting shaft is movably arranged between the scraper and the heating plate, and the scraper is movably arranged on the heating plate through the connecting shaft.

Preferably, the rollers are fixedly sleeved with anti-slip pads, and the anti-slip pads are of annular structures made of soft materials.

Preferably, the bottom of the heat-insulating cover is fixedly provided with a heat-insulating sleeve, and the inner wall of the heat-insulating sleeve is attached to the outer side wall of the wellhead of the oil production well.

Advantageous effects

The utility model provides a be applied to well head heat preservation device of oil recovery production well. The method has the following beneficial effects:

(1) This be applied to well head heat preservation device of oil recovery production well, put the heat preservation lid on the oil recovery well head, the internally mounted of heat preservation lid has the heater, fixed mounting has the heat conduction piece on the output of heater, install the hot plate on the heat conduction piece, the hot plate is located the inside of oil recovery well head, start the heater, the heater heats for the hot plate through the heat conduction piece, drive the hot plate through the drive arrangement drive hot plate that the heat preservation covered simultaneously and rotate, drive arrangement is including the installation axle of movable mounting in the mounting groove, install the gyro wheel on the installation axle, and one of them installation axle and driving motor fixed connection, start driving motor, driving motor makes the installation axle rotate, the rotatory gyro wheel that drives of installation axle rotates, the rotation of gyro wheel can drive the top of heat preservation lid at the oil recovery well head rotatory, cleaning mechanism has been seted up on the hot plate simultaneously, cleaning mechanism is including cleaning groove and the scraper of through connecting axle movable mounting in cleaning groove, the scraper is laminated with the inside of oil recovery well head, the scraper will be in the oil recovery well head rotary contact with the inner wall of oil recovery well head when the hot plate is driven rotatory, oil recovery well head lets the heat loss less.

(2) This be applied to well head heat preservation device of oil recovery production well, because install the slipmat on the gyro wheel, the gyro wheel passes through the slipmat and contacts with the oil production well head, the weight of whole heat preservation lid will extrude the slipmat when putting on the gyro wheel and the slipmat goes up, the extrusion makes the slipmat produce deformation, deformation lets the area of contact increase between slipmat and the oil production well head, thereby make more stability when the gyro wheel drives the slipmat rotation, can also carry out the sealing of certain degree between oil production well head and the heat preservation lid.

(3) This be applied to well head heat preservation device of oil recovery production well because the insulation cover is installed to the bottom of heat preservation lid, and the inner wall of insulation cover is laminated with the outer wall of oil recovery well head mutually, and when the hot plate is heating the oil recovery well head, the insulation cover can insulate against heat to the lateral wall of oil recovery well head, avoids the oil recovery well head to give off the external world again with the heat that the hot plate conduction was come to the heating efficiency has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

Illustration of the drawings:

1. a wellhead of the oil production well; 2. a heat preservation cover; 3. a heater; 4. a heat conducting block; 5. heating plates; 6. mounting grooves; 7. installing a shaft; 8. a roller; 9. a non-slip mat; 10. cleaning the tank; 11. a scraper; 12. a connecting shaft; 13. a motor mounting groove; 14. a drive motor; 15. an insulating sleeve.

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 first embodiment is as follows: a wellhead thermal insulation device applied to an oil production well, as shown in figures 1-3, the wellhead thermal insulation device comprises an oil production wellhead 1 and a thermal insulation cover 2, the oil production wellhead 1 is a cylindrical pipe, the thermal insulation cover 2 is a cylindrical structure matched with the oil production wellhead 1, the thermal insulation cover 2 is movably arranged at the top of the oil production wellhead 1, a heater 3 is embedded inside the thermal insulation cover 2, a heat conduction block 4 is fixedly arranged at the output end of the heater 3, the heat conduction block 4 is of a cylindrical structure, the bottom of the heat conduction block 4 penetrates through the bottom wall of the oil production wellhead 1, a heating plate 5 is fixedly arranged on the bottom wall of the heat conduction block 4, the heating plate 5 is a circular plate, the size of the heating plate 5 is consistent with the size inside the oil production wellhead 1, a driving device for driving the thermal insulation cover 2 to rotate is arranged on the thermal insulation cover 2, the driving device comprises two mounting grooves 6 and two mounting shafts 7, the mounting grooves 6 are of a circular structure, the two mounting grooves 6 are symmetrically arranged on the bottom wall of the thermal insulation cover 2 corresponding to the top wall of the oil production wellhead 1, the mounting grooves 7 are respectively and a cleaning motor 14 is arranged on the mounting grooves 7, the cleaning motor mechanism, the cleaning motor is arranged on the mounting grooves 13, the mounting grooves 7, the cleaning motor is arranged on the mounting grooves 13, the cleaning motor structure on the mounting grooves 7, the mounting grooves 13, the mounting grooves 14, the inside movable mounting of clean groove 10 has scraper 11, and scraper 11 is the piece of triangle-shaped structure, and scraper 11 is close to a flank wall of oil production well wellhead 1 and is the cambered surface of laminating mutually with oil production well wellhead 1, and movable mounting has connecting axle 12 between scraper 11 and the hot plate 5, and connecting axle 12 is cylindrical structure, and scraper 11 passes through connecting axle 12 movable mounting on hot plate 5.

When the oil well heating device is used, the heat insulation cover 2 is placed on an oil well wellhead 1, a heater 3 is arranged inside the heat insulation cover 2, a heat conduction block 4 is fixedly arranged on an output end of the heater 3, a heating plate 5 is arranged on the heat conduction block 4, the heating plate 5 is positioned inside the oil well wellhead 1, the heater 3 is started to heat the heating plate 5 through the heat conduction block 4, meanwhile, the heating plate 5 is driven to rotate through a driving device on the heat insulation cover 2, the driving device comprises an installation shaft 7 movably arranged in the installation groove 6, a roller 8 is arranged on the installation shaft 7, one installation shaft 7 is fixedly connected with a driving motor 14, the driving motor 14 starts the driving motor 14 to drive the installation shaft 7 to rotate, the roller 8 is driven to rotate by the rotation of the installation shaft 7, the heat insulation cover 2 can be driven to rotate at the top of the oil well wellhead 1 through the rotation of the roller 8, meanwhile, a cleaning mechanism is arranged on the heating plate 5, the cleaning mechanism comprises a cleaning groove 10 and a scraper 11 movably arranged in the cleaning groove 10 through a connecting shaft 12, the scraper 11 is attached to the inside of the oil well wellhead 1, when the scraper 5 is driven to rotate, and oil well wellhead 1 can achieve oil well heating loss, and oil stain heating loss is reduced when the oil well wellhead 1 is heated.

Example two: on the basis of the first embodiment, as shown in fig. 1 and 2, the thermal insulation device is applied to a wellhead thermal insulation device of an oil production well, a non-slip mat 9 is fixedly sleeved on a roller 8, and the non-slip mat 9 is of a circular ring structure made of a soft material.

Because install slipmat 9 on the gyro wheel 8, gyro wheel 8 contacts with production well head 1 through slipmat 9, will extrude slipmat 9 when the weight of whole heat preservation lid 2 is put on gyro wheel 8 and slipmat 9, the extrusion makes slipmat 9 produce deformation, deformation lets the area of contact increase between slipmat 9 and the production well head 1, thereby make gyro wheel 8 drive more stable when slipmat 9 is rotatory, can also carry out the sealed of certain degree between production well head 1 and the heat preservation lid 2.

Example three: on the basis of the first embodiment, as shown in fig. 2 and 3, the wellhead thermal insulation device is applied to a wellhead thermal insulation device of an oil production well, the bottom of the thermal insulation cover 2 is fixedly provided with the thermal insulation sleeve 15, the thermal insulation sleeve 15 is of an annular structure, and the inner wall of the thermal insulation sleeve 15 is attached to the outer side wall of the wellhead 1 of the oil production well.

Because the insulation cover 15 is installed to the bottom of heat preservation lid 2, the inner wall of insulation cover 15 laminates with the outer wall of oil recovery well head 1 mutually, when hot plate 5 when heating oil recovery well head 1, insulation cover 15 can insulate against heat to the lateral wall of oil recovery well head 1, avoids oil recovery well head 1 to give off the external world again with the heat that hot plate 5 conduction was come to improved heating efficiency.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Be applied to well head heat preservation device of oil recovery production well, including oil recovery well head (1) and heat preservation lid (2), heat preservation lid (2) movable mounting is at the top of oil recovery well head (1), its characterized in that: the utility model discloses a heating plate, including heating plate, heat preservation cover (2), heater (3) are installed to the inside of heat preservation lid (2) is inlayed, the output end fixed mounting of heater (3) has heat conduction piece (4), the bottom wall of oil production well head (1) has been run through to the bottom of heat conduction piece (4), the bottom wall fixed mounting of heat conduction piece (4) has hot plate (5), and the size of hot plate (5) is unanimous with the inside size of oil production well head (1), be provided with the rotatory drive arrangement of drive heat preservation lid (2) on heat preservation lid (2), be provided with clean mechanism on hot plate (5), clean mechanism is including clean groove (10) and scraper (11), establish on hot plate (5) clean groove (10), clean groove (10) have run through the upper and lower wall of hot plate (5), the inside movable mounting of clean groove (10) has scraper (11).

2. A wellhead insulation device applied to oil production wells as claimed in claim 1, characterized in that: the driving device comprises two mounting grooves (6) and two mounting shafts (7), the two mounting grooves (6) are symmetrically arranged at the position, corresponding to the top wall surface of the oil production well head (1), of the bottom wall surface of the heat insulation cover (2), and the two mounting shafts (7) are movably mounted inside the two mounting grooves (6) respectively.

3. A wellhead insulation device applied to oil production wells as claimed in claim 2, characterized in that: all fixed cover has connect gyro wheel (8) on installation axle (7), has seted up motor mounting groove (13) corresponding the position of one of them installation axle (7) on the lateral wall of heat preservation lid (2), and fixed mounting has driving motor (14) in motor mounting groove (13), the output and the installation axle (7) fixed connection of driving motor (14).

4. A wellhead insulation device applied to oil production wells as claimed in claim 1, characterized in that: one side wall face of scraper (11) near oil recovery well head (1) is the cambered surface of laminating mutually with oil recovery well head (1), and movable mounting has connecting axle (12) between scraper (11) and hot plate (5), and scraper (11) are through connecting axle (12) movable mounting on hot plate (5).

5. A wellhead insulation device applied to oil production wells as claimed in claim 3, characterized in that: the anti-skid device is characterized in that the roller (8) is fixedly sleeved with an anti-skid pad (9), and the anti-skid pad (9) is of a circular ring structure made of soft materials.

6. A wellhead insulation device applied to oil production wells as claimed in claim 1, characterized in that: the bottom of the heat-insulating cover (2) is fixedly provided with a heat-insulating sleeve (15), and the inner wall of the heat-insulating sleeve (15) is attached to the outer side wall of the oil production well mouth (1).