CN112983328B - Anti-freezing petroleum wellhead - Google Patents
Anti-freezing petroleum wellhead Download PDFInfo
- Publication number
- CN112983328B CN112983328B CN202110190514.8A CN202110190514A CN112983328B CN 112983328 B CN112983328 B CN 112983328B CN 202110190514 A CN202110190514 A CN 202110190514A CN 112983328 B CN112983328 B CN 112983328B
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- shell
- fixedly connected
- well body
- rigid coupling
- enclosure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/005—Fishing for or freeing objects in boreholes or wells using vibrating or oscillating means
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling, insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling, insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/003—Insulating arrangements
Abstract
The invention relates to an oil wellhead, in particular to an anti-freezing oil wellhead. Including shell, drain pan, inner shell, insulation material, the well body and enclosure, the well body switches on from top to bottom, the equal rigid coupling of shell and inner shell is in the upper end of drain pan, and the inner shell is located the inboard of shell, and insulation material fills between shell and inner shell, and the enclosure rigid coupling is in the upper end of shell, and the downside rigid coupling of the well body is at the middle part of drain pan, and the middle part of the well body is located the inner shell, and the enclosure is used for sealing the cavity that forms between inner shell and the well body, enclosure and well body intercommunication. The well body is protected by the peripheral shielding and heat-insulating intermediate layer to realize anti-freezing, wherein the shell and the bottom shell are embedded and are placed in the base groove to increase the anti-freezing effect; the friction heating and the vibration generation are carried out through one power source, the frequency of equipment damage and maintenance is reduced, and the failure rate is reduced.
Description
Technical Field
The invention relates to an oil wellhead, in particular to an anti-freezing oil wellhead.
Background
For example, an annular flow process freeze wellhead is disclosed in publication No. CN 2841952. The problem that the heat preservation and anti-freezing performance of the existing flow wellhead combination valve in winter is poor is mainly solved. The oil return pipe is communicated with the water mixing inlet pipe in the combined valve body, and the side walls of the connecting pipe and the oil return pipe are respectively connected with a single-well metering valve. The annular flow process anti-freezing wellhead device has the advantages that the annular flow process anti-freezing wellhead device has good self-heat-preservation and anti-freezing performance and is added with a single-well metering function; the wellhead is not easily buried in the foundation pit for freeze protection.
Disclosure of Invention
The invention aims to provide an anti-freezing petroleum wellhead which can be conveniently buried in a foundation trench for anti-freezing.
The purpose of the invention is realized by the following technical scheme:
the utility model provides an oil well head prevents frostbite, includes shell, drain pan, inner shell, insulation material, the well body and enclosure, switches on from top to bottom the well body, the equal rigid coupling of shell and inner shell is in the upper end of drain pan, and the inner shell is located the inboard of shell, and insulation material fills between shell and inner shell, and the enclosure rigid coupling is in the upper end of shell, and the downside rigid coupling of the well body is at the middle part of drain pan, and the middle part of the well body is located the inner shell, and the enclosure is used for sealing the cavity that forms between inner shell and the well body, enclosure and well body intercommunication.
The anti-freezing oil well head further comprises a steel sleeve, an annular groove II, an opening, a limiting part, a collision block, a triggering part, a compression spring I, a reset column, a friction arc part I, a groove opening platform, a roller seat, a triggering roller, a support, a friction arc part II, a motor, a connecting rod and an inserting rod, wherein the upper end of the well body is fixedly connected with the steel sleeve, the lower end of the steel sleeve is provided with the annular groove II, the opening is arranged on the inner wall of the steel sleeve, the limiting part is fixedly connected with the lower end of the steel sleeve, the collision block is slidably connected in the limiting part and can slide in the corresponding opening, the lower end of the collision block is fixedly connected with the triggering part, the lower end of the triggering part is provided with an inclined plane, the inner end of the collision block is provided with a circular groove, one end of the compression spring I is fixedly connected in the circular groove of the collision block, the other end of the compression spring I is fixedly connected with the outer end of the reset column, the reset column is slidably connected in the corresponding circular groove, the inner end of the reset column is abutted against the wall surface of the outer ring of the well body, mirror symmetry is equipped with two about I friction arc portions, and the free end of two I homonymies of friction arc portions respectively with support inner both ends rigid coupling about, the interior terminal surface of two friction arc portions I slides with the outer wall laminating of well body, and the groove mouth platform rigid coupling is in the outer end of friction arc portion I, and the upper end rigid coupling of friction arc portion I has a roller seat, rotates on the roller seat and connects the trigger roller, and the position of trigger roller corresponds with the trigger portion, and the trigger roller can the up-motion contact the inclined plane makes the trigger portion inward movement strike well body, and the motor rigid coupling is on the inner shell, the output shaft of motor and the one end rigid coupling of connecting rod, the other end and the inserted bar rigid coupling of connecting rod, and the inserted bar slips in taking the notch platform.
The anti-freezing petroleum well head further comprises an annular groove I, a through hole, an annular cover and a breaking rod, wherein the annular groove I is arranged between the upper end of the steel sleeve and the outer ring wall surface of the well body, the through hole is formed in the steel sleeve and used for enabling the annular groove I to be communicated with the annular groove II, a plastic sealing film is fixedly connected in the through hole, the annular cover is fixedly connected to the upper ends of the steel sleeve and the well body, the breaking rod is fixedly connected to the upper end of the friction arc portion I, and the breaking rod is located right below the through hole.
This oil well head prevents frostbite still includes reciprocating lever and friction arc portion II, sliding connection has two reciprocating levers on the support, and the inner rigid coupling of reciprocating lever has friction arc portion II, and the interior terminal surface of friction arc portion II slides with the laminating of the outer lane wall of the well body, the spacing portion of outer end rigid coupling of reciprocating lever, the inner of spacing portion and the outer end contact of support correspondingly, the cover has compression spring II on the reciprocating lever, compression spring II's both ends respectively with correspondingly ground friction arc portion II and correspond ground support contact.
This oil well head prevents frostbite still includes theftproof knot shell and well head apron, the right side of shell rigid coupling on the enclosure is detained in the theftproof to the theftproof, well head cover plate sliding connection in the shell is detained to the theftproof, and the lower terminal surface of well head apron and the up end of enclosure slide the laminating, and the right-hand member of well head apron is equipped with the platelike structure of body coupling and downwardly extending, and the left end of well head cover plate upper end is equipped with card portion, card portion can detain the left end contact of shell with the theftproof.
This oil well head prevents frostbite still includes the pivot, dials the board, gives electric hole and synchronous baffle, and the pivot is rotated through the damping and is connected in the left front side of capsule, and the rear end rigid coupling of pivot is dialled the board, is equipped with the hole of giving electricity on the capsule, gives electric hole and lies in directly over the motor, and the one end rigid coupling of synchronous baffle is at the lower extreme of pivot, and the other end of synchronous baffle can shelter from the lower extreme in giving electric hole.
The clamping part is a guide wheel which is rotatably connected to the rear left side of the wellhead cover plate.
The anti-freezing petroleum well head further comprises liquid storage tanks, wherein the bottom shell is fixedly connected with four liquid storage tanks, and the four liquid storage tanks are respectively positioned at four corners of the inner end of the inner shell.
The anti-freezing petroleum wellhead also comprises
And any two adjacent liquid storage tanks are fixedly connected and communicated through the communicating pipe.
And the lower end of the well body is fixedly connected with a flange plate.
The antifreezing petroleum wellhead has the beneficial effects that:
the well body is protected by the peripheral shielding and heat-insulating intermediate layer to realize anti-freezing, wherein the shell and the bottom shell are embedded and are placed in the base groove to increase the anti-freezing effect; the friction arc portion I can reciprocate from top to bottom and rub with the external wall of well and generate heat, and then makes the slow gradual rising of temperature to the realization is unfrozen and is made to be convenient for open the lid structure or go on preventing frostbite in the extremely cold condition, rubs through a power supply and heaies up and produce the vibration, reduces the impaired and frequency of maintaining of equipment, reduces the trouble incidence.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of the overall construction of an antifreeze oil well head of the present invention;
FIG. 2 is a partial schematic view of the first embodiment of the present invention;
FIG. 3 is a second partial schematic structural view of the present invention;
FIG. 4 is a third schematic view of a portion of the present invention;
FIG. 5 is a fourth schematic view of a portion of the present invention;
FIG. 6 is a schematic diagram of a portion of the present invention;
FIG. 7 is a schematic diagram six of a portion of the present invention;
FIG. 8 is a seventh schematic view of a portion of the present invention;
FIG. 9 is a partial schematic view eight of the present invention;
fig. 10 is a partial structural schematic diagram nine of the present invention.
In the figure: a housing 1; a bottom case 101; an inner shell 102; a thermal insulation material 103; a liquid storage tank 104; an interconnecting pipe 105; a well body 2; a steel jacket 201; an annular groove I202; an annular groove II 203; a through hole 204; a port 205; a stopper portion 206; an impact block 207; a trigger section 208; a compression spring I209; a reset column 210; a ring cover 211; a friction arc part I3; a slotted table 301; a roller base 302; a trigger roller 303; a breaking stem 304; a bracket 305; a reciprocating lever 306; a friction arc part II 307; a motor 4; a connecting rod 401; a plunger 402; an envelope 5; a rotating shaft 501; a dial plate 502; a feeding hole 503; an anti-theft buckle housing 504; a wellhead plate 505; a guide wheel 506; the synchronizing baffle 507.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in the figure, an anti-freezing petroleum wellhead comprises an anti-freezing petroleum wellhead body, and comprises an outer shell 1, a bottom shell 101, an inner shell 102, a heat insulation material 103, a well body 2 and a sealing shell 5, wherein the well body 2 is communicated up and down, the outer shell 1 and the inner shell 102 are fixedly connected to the upper end of the bottom shell 101, the inner shell 102 is positioned on the inner side of the outer shell 1, the heat insulation material 103 is filled between the outer shell 1 and the inner shell 102, the sealing shell 5 is fixedly connected to the upper end of the outer shell 1, the lower side of the well body 2 is fixedly connected to the middle of the bottom shell 101, the middle of the well body 2 is positioned in the inner shell 102, the sealing shell 5 is used for sealing a cavity formed between the inner shell 102 and the well body 2, and the sealing shell 5 is communicated with the well body 2. The well body 2 is protected by a peripheral shielding and heat-insulating intermediate layer to realize freeze prevention, wherein the shell 1 and the bottom shell 101 are embedded and are placed in a base groove, and a square ring structure can be fixedly connected to the periphery of the shell 1 and is used for being connected with foundation bolts as shown in figures 1 and 2, so that the upper part of the well body 2 is placed on the ground.
The second embodiment is as follows:
as shown in the figure, the anti-freezing petroleum wellhead also comprises a steel sleeve 201, an annular groove II 203, a through hole 205, a limiting part 206, a striking block 207, a triggering part 208, a compression spring I209, a reset column 210, a friction arc part I3, a grooved table 301, a roller seat 302, a triggering roller 303, a support 305, a friction arc part II 307, a motor 4, a connecting rod 401 and an inserting rod 402, wherein the upper end of the well body 2 is fixedly connected with the steel sleeve 201, the lower end of the steel sleeve 201 is provided with the annular groove II 203, the inner wall of the steel sleeve 201 is provided with the through hole 205, the lower end of the steel sleeve 201 is fixedly connected with the limiting part 206, the striking block 207 is slidably connected in the limiting part 206, the striking block 207 can slide in the through hole 205 correspondingly, the lower end of the striking block 207 is fixedly connected with the triggering part 208, the lower end of the triggering part 208 is provided with an inclined plane, the inner end of the striking block 207 is provided with a circular groove, one end of the compression spring I209 is fixedly connected in the circular groove of the striking block 207, the other end of the reset column 210 of the compression spring I is fixedly connected, the reset column 210 is connected in a corresponding circular groove in a sliding manner, the inner end of the reset column 210 abuts against the outer ring wall surface of the well body 2, the left and right mirror symmetry of the friction arc portion I3 is provided with two friction arc portions, the free ends of the same sides of the two friction arc portions I3 are fixedly connected with the left and right ends of the inner end of the support 305 respectively, the inner end surfaces of the two friction arc portions I3 are attached to the outer wall surface of the well body 2 in a sliding manner, the groove opening platform 301 is fixedly connected to the outer end of the friction arc portion I3, the upper end of the friction arc portion I3 is fixedly connected with the roller seat 302, the roller seat 302 is rotatably connected with the trigger roller 303, the position of the trigger roller 303 corresponds to the trigger portion 208, the trigger roller 303 can be contacted with an upward movement, the inclined surface enables the trigger portion 208 to move inwards to impact the well body 2, the motor 4 is fixedly connected to the inner shell 102, the output shaft of the motor 4 is fixedly connected with one end of the connecting rod 401, the other end of the connecting rod 401 is fixedly connected with the inserting rod 402, and the inserting rod 402 is inserted into the groove opening platform 301 in a sliding manner. Starter motor 4, motor 4's output shaft drives connecting rod 401 and rotates, connecting rod 401 drives inserted bar 402 and makes groove notch platform 301 reciprocating motion from top to bottom, the result makes friction arc portion I3 reciprocating motion from top to bottom and 2 outer wall faces of well body carry out the frictional heating, and then make the slow gradual rise of temperature, thereby realize unfreezing and make and be convenient for open the lid structure or carry out and prevent frostbite in the extremely cold condition, carry out the friction intensification through a power supply, reduce the impaired and frequency of maintaining of equipment, reduce the fault incidence. When thawing, the friction arc part I3 drives the trigger roller 303 to push the inclined surface of the trigger part 208 upwards after rising, then the trigger part 208 receives a component force close to the well body 2, the trigger part 208 drives the impact block 207 to slide rightwards, the compression spring I209 further compresses the impact block 207 to impact the well body 2 to generate vibration, thawing is promoted, and frozen ice and snow are vibrated away. When the trigger roller 303 strikes and pushes the trigger part 208, an upward impact force is generated, and when the trigger part 208 moves rightwards, the impact block 207 impacts the well body 2 to generate an impact force in the horizontal direction, so that the multi-directional impact force is generated to vibrate, and ice and snow at frozen parts of various connection points can be conveniently vibrated and fallen.
The third concrete implementation mode:
as shown in the figure, the anti-freezing petroleum wellhead further comprises an annular groove I202, a through hole 204, an annular cover 211 and a breaking rod 304, the annular groove I202 is arranged between the upper end of the steel sleeve 201 and the outer ring wall surface of the well body 2, the through hole 204 is formed in the steel sleeve 201 and is used for enabling the annular groove I202 to be communicated with the annular groove II 203, a plastic sealing film is fixedly connected into the through hole 204, the annular cover 211 is fixedly connected to the upper ends of the steel sleeve 201 and the well body 2, the breaking rod 304 is fixedly connected to the upper end of the friction arc portion I3, and the breaking rod 304 is located right below the through hole 204. Be used for loading iron oxidation self-heating material in ring channel I202, like the raw materials of the warm subsides of generating heat that common on the market, its raw materials mainly comprise iron powder, active carbon etc. composition, rise when friction arc I3 and drive and strike broken rod 304 and rise and strike the plastics seal membrane in the through-hole 204, and then appear oxygen in ring channel I202 for self-heating material generates heat, realizes unfreezing, and preferred annular cover 211's rigid coupling mode is for dismantling the rigid coupling, and then when dismantling annular cover 211, removable self-heating material.
The fourth concrete implementation mode:
as shown in the figure, this oil well head that prevents frostbite still includes reciprocating lever 306 and friction arc part II 307, sliding connection has two reciprocating lever 306 on the support 305, and the inner rigid coupling of reciprocating lever 306 has friction arc part II 307, and the inner terminal surface of friction arc part II 307 slides with the laminating of the outer lane wall of well body 2, and the outer end rigid coupling of reciprocating lever 306 is spacing, the inner of spacing portion contacts with the outer end that corresponds ground support 305, and the cover has compression spring II on reciprocating lever 306, compression spring II's both ends respectively with the contact of corresponding ground friction arc part II 307 and corresponding ground support 305. After long-term use, the friction effect of the friction arc part I3 and the well body 2 reduces the heating effect and reduces, and the friction arc part II 307 is contacted with the well body 2 to generate lifting movement.
The fifth concrete implementation mode:
as shown in the figure, this oil well head prevents frostbite still includes theftproof knot shell 504 and well head board 505, the right side of shell 504 rigid coupling on the enclosure 5, well head apron 505 sliding connection is in theftproof knot shell 504, and the lower terminal surface of well head board 505 and the up end sliding fit of enclosure 5, and the right-hand member of well head board 505 is equipped with the platelike structure of body coupling and downwardly extending, and the left end of well head board 505 upper end is equipped with card portion, card portion can detain the left end contact of shell 504 with the theftproof. When it is desired to open the wellhead cover 505, the well body 2 is opened above.
The sixth specific implementation mode:
as shown in the figure, the anti-freezing petroleum wellhead further comprises a rotating shaft 501, a shifting plate 502, a power supply hole 503 and a synchronous baffle 507, wherein the rotating shaft 501 is rotatably connected to the left front side of the enclosure 5 through damping, the rear end of the rotating shaft 501 is fixedly connected with the shifting plate 502, the enclosure 5 is provided with the power supply hole 503, the power supply hole 503 is located right above the motor 4, one end of the synchronous baffle 507 is fixedly connected to the lower end of the rotating shaft 501, and the other end of the synchronous baffle 507 can shield the lower end of the power supply hole 503. When the wellhead cover plate 505 needs to be opened and the upper part of the well body 2 is opened, the shifting plate 502 is directly pushed to push away snow on the enclosure 5, and meanwhile, the shifting plate 502 can push the wellhead cover plate 505 to move rightwards. The shifting plate 502 is large in area and large in stress area, so that the shifting plate is convenient to push and rotate, and the functions of clearing snow and opening a cover can be achieved at the same time of rotation. At the upper end of capsule 5, a limit stop is provided, located at the left end of dial 502, not shown in the figures, with reference to fig. 9, so that dial 502 cannot be rotated further clockwise, but only counterclockwise, to push guide roller 506 to the right.
The seventh embodiment:
as shown, the locking portion is a guide wheel 506, and the guide wheel 506 is rotatably connected to the rear left side of the wellhead plate 505. The guide wheel 506 may be snapped into the left end of the anti-skimming casing 504.
The specific implementation mode is eight:
as shown in the figure, the anti-freezing petroleum wellhead further comprises a liquid storage tank 104, four liquid storage tanks 104 are fixedly connected to the bottom shell 101, and the four liquid storage tanks 104 are respectively located at four corners of the inner end of the inner shell 102. The liquid storage tank 104 is used for adding antifreeze liquid, so that the antifreeze effect in the inner shell 102 is improved.
The specific implementation method nine:
as shown in the figure, the anti-freezing oil wellhead also comprises an interconnecting pipe 105, and any two adjacent liquid storage tanks 104 are fixedly connected and communicated through the interconnecting pipe 105. The amount of the antifreeze solution stored in the communicating pipe 105 is increased, and the antifreeze solution is added into one of the liquid storage tanks 104, so that the other liquid storage tanks 104 are automatically filled with the antifreeze solution.
The detailed implementation mode is ten:
as shown in the figure, the lower end of the well body 2 is fixedly connected with a flange. The flange plate is convenient to be connected with other pipelines.
The invention relates to an anti-freezing petroleum wellhead, which has the working principle that:
the well body 2 is protected by a peripheral shielding and heat-insulating intermediate layer to realize freeze prevention, wherein the shell 1 and the bottom shell 101 are embedded and are placed in a base groove, and a square ring structure can be fixedly connected to the periphery of the shell 1 and is used for being connected with foundation bolts as shown in figures 1 and 2, so that the upper part of the well body 2 is placed on the ground. Starter motor 4, motor 4's output shaft drives connecting rod 401 and rotates, connecting rod 401 drives inserted bar 402 and makes groove notch platform 301 reciprocating motion from top to bottom, the result makes friction arc portion I3 reciprocating motion from top to bottom and 2 outer wall faces of well body carry out the frictional heating, and then make the slow gradual rise of temperature, thereby realize unfreezing and make and be convenient for open the lid structure or carry out and prevent frostbite in the extremely cold condition, carry out the friction intensification through a power supply, reduce the impaired and frequency of maintaining of equipment, reduce the fault incidence. When thawing, the friction arc part I3 drives the trigger roller 303 to push the inclined surface of the trigger part 208 upwards after rising, then the trigger part 208 receives a component force close to the well body 2, the trigger part 208 drives the impact block 207 to slide rightwards, the compression spring I209 further compresses the impact block 207 to impact the well body 2 to generate vibration, thawing is promoted, and frozen ice and snow are vibrated away. When the trigger roller 303 strikes and pushes the trigger part 208, an upward impact force is generated, and when the trigger part 208 moves rightwards, the impact block 207 impacts the well body 2 to generate an impact force in the horizontal direction, so that the multi-directional impact force is generated to vibrate, and ice and snow at frozen parts of various connection points can be conveniently vibrated and fallen. Be used for loading iron oxidation self-heating material in ring channel I202, like the raw materials of the warm subsides of generating heat that common on the market, its raw materials mainly comprise iron powder, active carbon etc. composition, rise when friction arc I3 and drive and strike broken rod 304 and rise and strike the plastics seal membrane in the through-hole 204, and then appear oxygen in ring channel I202 for self-heating material generates heat, realizes unfreezing, and preferred annular cover 211's rigid coupling mode is for dismantling the rigid coupling, and then when dismantling annular cover 211, removable self-heating material. After long-term use, the friction effect of the friction arc part I3 and the well body 2 reduces the heating effect and reduces, and the friction arc part II 307 is contacted with the well body 2 to generate lifting movement. When it is desired to open the wellhead cover 505, the well body 2 is opened above. When the wellhead cover plate 505 needs to be opened and the upper part of the well body 2 is opened, the shifting plate 502 is directly pushed to push away snow on the enclosure 5, and meanwhile, the shifting plate 502 can push the wellhead cover plate 505 to move rightwards. The shifting plate 502 is large in area and large in stress area, so that the shifting plate is convenient to push and rotate, and the functions of clearing snow and opening a cover can be achieved at the same time of rotation. At the upper end of capsule 5, a limit stop is provided, located at the left end of dial 502, not shown in the figures, with reference to fig. 9, so that dial 502 cannot be rotated further clockwise, but only counterclockwise, to push guide roller 506 to the right. The guide wheel 506 may be snapped into the left end of the anti-skimming casing 504. The liquid storage tank 104 is used for adding antifreeze liquid, so that the antifreeze effect in the inner shell 102 is improved. The amount of the antifreeze solution stored in the communicating pipe 105 is increased, and the antifreeze solution is added into one of the liquid storage tanks 104, so that the other liquid storage tanks 104 are automatically filled with the antifreeze solution. The flange plate is convenient to be connected with other pipelines.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (9)
1. The utility model provides an oil well head prevents frostbite, includes shell (1), drain pan (101), inner shell (102), insulation material (103), the well body (2) and envelope (5), switches on its characterized in that from top to bottom well body (2): the outer shell (1) and the inner shell (102) are fixedly connected to the upper end of the bottom shell (101), the inner shell (102) is located on the inner side of the outer shell (1), a heat insulation material (103) is filled between the outer shell (1) and the inner shell (102), the enclosure (5) is fixedly connected to the upper end of the outer shell (1), the lower side of the well body (2) is fixedly connected to the middle of the bottom shell (101), the middle of the well body (2) is located in the inner shell (102), the enclosure (5) is used for sealing a cavity formed between the inner shell (102) and the well body (2), and the enclosure (5) is communicated with the well body (2);
the anti-freezing petroleum wellhead also comprises a steel sleeve (201), an annular groove II (203), a through hole (205), a limiting part (206), a striking block (207), a triggering part (208), a compression spring I (209), a reset column (210), a friction arc part I (3), a grooved table (301), a roller seat (302), a triggering roller (303), a bracket (305), a friction arc part II (307), a motor (4), a connecting rod (401) and an inserting rod (402), wherein the upper end of the well body (2) is fixedly connected with the steel sleeve (201), the lower end of the steel sleeve (201) is provided with the annular groove II (203), the inner wall of the steel sleeve (201) is provided with the through hole (205), the lower end of the steel sleeve (201) is fixedly connected with the limiting part (206), the striking block (207) is slidably connected in the limiting part (206), the striking block (207) can slide in the through hole (205) correspondingly, the lower end of the striking block (207) is fixedly connected with the triggering part (208), the lower end of the trigger part (208) is provided with an inclined plane, the inner end of the impact block (207) is provided with a circular groove, one end of a compression spring I (209) is fixedly connected in the circular groove of the impact block (207), the other end of the compression spring I (209) is fixedly connected with the outer end of a reset column (210), the reset column (210) is connected in the corresponding circular groove in a sliding manner, the inner end of the reset column (210) is abutted against the outer ring wall surface of the well body (2), two friction arc parts I (3) are arranged in a mirror symmetry manner, the free ends at the same side of the two friction arc parts I (3) are respectively fixedly connected with the left end and the right end of the inner end of a bracket (305), the inner end surfaces of the two friction arc parts I (3) are attached to slide against the outer wall surface of the well body (2), a groove opening platform (301) is fixedly connected at the outer end of the friction arc part I (3), the upper end of the friction arc part I (3) is fixedly connected with a roller seat (302), and the roller seat (302) is rotatably connected with a trigger roller (303), the position of the trigger roller (303) corresponds to the trigger part (208), the trigger roller (303) can move upwards to contact the inclined surface to enable the trigger part (208) to move inwards to impact the well body (2), the motor (4) is fixedly connected to the inner shell (102), the output shaft of the motor (4) is fixedly connected with one end of the connecting rod (401), the other end of the connecting rod (401) is fixedly connected with the inserting rod (402), and the inserting rod (402) is inserted into the notch platform (301) and slides.
2. The freeze protected petroleum wellhead as claimed in claim 1 wherein: this oil well head prevents frostbite still includes ring channel I (202), through-hole (204), ring cap (211) and breaks pole (304), be equipped with ring channel I (202) between the upper end of steel bushing (201) and the outer lane wall of well body (2), be equipped with through-hole (204) on steel bushing (201), through-hole (204) are used for making ring channel I (202) and ring channel II (203) intercommunication, the rigid coupling has the plastic seal membrane in through-hole (204), ring cap (211) rigid coupling is in the upper end of steel bushing (201) and well body (2), break pole (304) rigid coupling in the upper end of friction arc portion I (3), break pole (304) and be located through-hole (204) under.
3. An antifreeze petroleum wellhead as claimed in claim 2, in which: this oil well head prevents frostbite still includes reciprocating lever (306) and friction arc portion II (307), sliding connection has two reciprocating lever (306) on support (305), and the inner rigid coupling of reciprocating lever (306) has friction arc portion II (307), and the interior terminal surface of friction arc portion II (307) slides with the laminating of the outer lane wall of the well body (2), the spacing portion of outer end rigid coupling of reciprocating lever (306), the inner of spacing portion and the outer end contact of support (305) correspondingly, the cover has compression spring II on reciprocating lever (306), the both ends of compression spring II respectively with correspond ground friction arc portion II (307) and support (305) contact correspondingly.
4. An antifreeze petroleum wellhead as claimed in claim 3, in which: this oil well head prevents frostbite still includes theftproof knot shell (504) and well head cover plate (505), the right side of shell (504) rigid coupling on enclosure (5) upper end is detained in theftproof to theftproof, well head cover plate (505) sliding connection is in shell (504) is detained in the theftproof, the lower terminal surface of well head cover plate (505) and the up end sliding fit of enclosure (5), the right-hand member of well head cover plate (505) is equipped with the platelike structure of body coupling and downwardly extending, the left end of well head cover plate (505) upper end is equipped with card portion, card portion can detain the left end contact of shell (504) with the theftproof.
5. The antifreeze petroleum wellhead as set forth in claim 4, wherein: this oil well head prevents frostbite still includes pivot (501), dial board (502), give electric hole (503) and synchronous baffle (507), pivot (501) are rotated through the damping and are connected in the left front side of enclosure (5), the rear end rigid coupling of pivot (501) dials board (502), be equipped with on enclosure (5) and give electric hole (503), it is located motor (4) directly over to give electric hole (503), the one end rigid coupling of synchronous baffle (507) is at the lower extreme of pivot (501), the lower extreme of giving electric hole (503) can be sheltered from to the other end of synchronous baffle (507).
6. An antifreeze petroleum wellhead as claimed in claim 5, in which: the clamping part is a guide wheel (506), and the guide wheel (506) is rotatably connected to the rear left side of the wellhead cover plate (505).
7. An antifreeze petroleum wellhead as claimed in claim 6, in which: the anti-freezing petroleum wellhead also comprises a liquid storage tank (104), wherein the bottom shell (101) is fixedly connected with four liquid storage tanks (104), and the four liquid storage tanks (104) are respectively positioned at four corners of the inner end of the inner shell (102).
8. An antifreeze petroleum wellhead as claimed in claim 7, in which: the anti-freezing petroleum wellhead also comprises an interconnecting pipe (105), and any two adjacent liquid storage tanks (104) are fixedly connected and communicated through the interconnecting pipe (105).
9. An antifreeze petroleum wellhead as claimed in any of claims 1 to 8, wherein: the lower end of the well body (2) is fixedly connected with a flange plate.
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| CN202110190514.8A CN112983328B (en) | 2021-02-18 | 2021-02-18 | Anti-freezing petroleum wellhead |
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| CN202110190514.8A CN112983328B (en) | 2021-02-18 | 2021-02-18 | Anti-freezing petroleum wellhead |
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| CN112983328B true CN112983328B (en) | 2021-11-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113482550A (en) * | 2021-08-18 | 2021-10-08 | 姜水 | Annular wellhead flow device |
| CN115807642B (en) * | 2023-01-29 | 2023-06-27 | 江苏雄越石油机械设备制造有限公司 | Fracturing gas production well head with sealing mechanism |
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| US4513816A (en) * | 1982-01-08 | 1985-04-30 | Societe Nationale Elf Aquitaine (Production) | Sealing system for a well bore in which a hot fluid is circulated |
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| CA2375565C (en) * | 2002-03-08 | 2004-06-22 | Rodney T. Beida | Wellhead heating apparatus and method |
| US9238951B2 (en) * | 2012-04-17 | 2016-01-19 | Woods Petroleum Llc | Polish rod seal |
| US20140041851A1 (en) * | 2012-08-09 | 2014-02-13 | Tyron Wagner | Wellhead Lubricator Cover |
| GB2535145B (en) * | 2015-02-03 | 2017-10-18 | Acergy France SAS | Termination bulkheads for subsea pipe-in-pipe systems |
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| US4513816A (en) * | 1982-01-08 | 1985-04-30 | Societe Nationale Elf Aquitaine (Production) | Sealing system for a well bore in which a hot fluid is circulated |
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