CN114458240A - Oil field is recovered with production tree that possesses multistage throttle transform function - Google Patents
Oil field is recovered with production tree that possesses multistage throttle transform function Download PDFInfo
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- CN114458240A CN114458240A CN202210144175.4A CN202210144175A CN114458240A CN 114458240 A CN114458240 A CN 114458240A CN 202210144175 A CN202210144175 A CN 202210144175A CN 114458240 A CN114458240 A CN 114458240A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 127
- 239000012530 fluid Substances 0.000 claims abstract description 53
- 241000191291 Abies alba Species 0.000 claims abstract description 38
- 238000000605 extraction Methods 0.000 claims abstract description 8
- 230000009466 transformation Effects 0.000 claims abstract description 4
- 230000009467 reduction Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 7
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000008602 contraction Effects 0.000 abstract description 13
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 239000003208 petroleum Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 206010060904 Freezing phenomenon Diseases 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 208000034423 Delivery Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
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- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to the field of petroleum, in particular to a Christmas tree with a multi-stage throttling transformation function for oil extraction in an oil field. The technical problem that the contraction structure of the inner diameter of an oil pipe in the Christmas tree cannot be changed, and the pressure buffering time required by the adjustment work of the inner diameter of the oil pipe cannot be changed when the fluid in the oil pipe is changed in different flow rates is solved. The invention provides a Christmas tree with a multi-stage throttling transformation function for an oil field production tool, which is provided with a throttling regulation unit, a rope tension unit and the like; the inner side of the throttling control unit is connected with a rope tensioning unit. Among this technical scheme, be the structure of shrink through having set up double-deck internal diameter in oil pipe's inside, avoid taking place to reduce pressure in the oil pipe and freeze the phenomenon, be equipped with movable stopper part in the oil pipe is inside in addition, make the throttle work can smooth-going, realize being equipped with double-deck internal diameter in production wing valve well pipe of production tree and be the oil pipe of shrinkage structure to and the movable stopper part that can independently adjust, make the production tree possess multistage throttle transform function.
Description
Technical Field
The invention relates to the field of petroleum, in particular to a Christmas tree with a multi-stage throttling transformation function for oil extraction in an oil field.
Background
In the oil extraction step of the oil field, a Christmas tree is required to control the flow of fluid flowing through an oil well, in the process of adjusting the flow of the fluid through the Christmas tree, the flow passing amount of the fluid is usually reduced by reducing the effective cross-sectional area of an oil pipe, but when the cross-sectional area of the oil pipe is adjusted, according to the Bernoulli principle, if the cross-sectional area of the oil pipe is reduced too fast in a short time, the flow rate of the fluid is increased, the pressure at the position of the oil pipe is also reduced, and in a cold and low-temperature environment, the fluid in the oil pipe is prone to low-pressure freezing, so that a frozen layer is formed in the oil pipe, and the normal delivery of the fluid by the oil pipe is influenced.
The existing solution is to change the internal structure of the oil pipe to make the internal diameter of the oil pipe in a slowly contracted state, so that when the oil pipe works for quickly throttling and reducing pressure, the pressure reduction of the fluid in the oil pipe has enough buffering time, and the phenomenon that the fluid in the oil pipe is frozen due to the too fast pressure reduction is avoided.
Disclosure of Invention
The invention provides a Christmas tree with a multi-stage throttling conversion function for oil extraction in an oil field, aiming at overcoming the defects that the contraction structure of the inner diameter of an oil pipe in the Christmas tree cannot be converted and the pressure buffering time required by the adjustment work of the inner diameter of the oil pipe cannot be changed when the fluid in the oil pipe is converted into different flows.
The technical implementation scheme of the invention is as follows: a Christmas tree with a multi-stage throttling conversion function for oil extraction in an oil field comprises a throttling regulation and control unit, a rope tension unit, a throttling depressurization unit, a Christmas tree main body, an oil pipe four-way joint, a production wing valve outer pipe and a production wing valve branch pipe, wherein the oil pipe four-way joint is arranged on the upper side of the Christmas tree main body, the production wing valve outer pipe is communicated with a right side branch of the oil pipe four-way joint, the production wing valve branch pipe is communicated with the right side of the production wing valve outer pipe, the throttling regulation and control unit for multi-stage throttling regulation and control is connected to the production wing valve outer pipe, the rope tension unit for regulating and control degree is connected to the inner side of the throttling regulation and control unit, the throttling depressurization unit for reducing fluid pressure is connected to the inner side of the throttling regulation and control unit, and the rope tension unit is connected to the inner side of the throttling depressurization unit; the throttling regulation and control unit comprises a pipe sleeve, a production wing valve inner pipe, a first fixing frame, a first driving motor, a fixing pipe, a first rotating shaft, a worm, a screw rod and a worm wheel, wherein the right part of the inner side of the production wing valve outer pipe is fixedly connected with the pipe sleeve, four production wing valve inner pipes are fixedly connected around the inner side of the pipe sleeve, the left end and the right end of the four production wing valve inner pipes are respectively communicated with the production wing valve outer pipe and a production wing valve branch pipe, the front side of a flange at the left part of the production wing valve outer pipe is fixedly connected with the first fixing frame, the right side of the first fixing frame is fixedly connected with the first driving motor, the left part of the pipe sleeve is embedded with the fixing pipe, the first rotating shaft is rotatably connected between the left side of the fixing pipe and the production wing valve outer pipe, the output shaft of the first driving motor is fixedly connected with the first rotating shaft, the rear end of the first rotating shaft is fixedly connected with the worm, the inner side of the fixing pipe is rotatably connected with the screw rod, the left end of the screw rod is fixedly connected with the worm wheel, and the worm wheel is meshed with the worm wheel, the lead screw and the four production wing valve inner pipes are connected with the rope tension unit, and the four production wing valve inner pipes are connected with the throttling and pressure reducing unit.
More preferably, the inner sides of the four production wing valve inner tubes are divided into a left straight-tube channel, a middle throttling channel and a right throttling channel from left to right in sequence, and the length of the middle throttling channel is shorter than that of the right throttling channel.
More preferably, the cross-sectional area of the left end of the middle throttle passage is larger than that of the right end.
More preferably, the cross-sectional area of the left end of the right throttling passage is larger than that of the right end.
More preferably, the rope tension unit comprises a bushing, a first straight gear, a swivel, an adjusting sliding block, a second rotating shaft, a second straight gear and a roller, the left side of the screw rod is connected with the bushing, the left part of the outer side surface of the bushing is fixedly connected with the first straight gear, the right part of the outer side surface of the bushing is rotatably connected with the swivel, one side of the inner pipe of each production wing valve is close to the screw rod, each sliding connection is provided with one adjusting sliding block, the four adjusting sliding blocks are fixedly connected with the swivel through connecting blocks respectively, one side of the four adjusting sliding blocks is close to the screw rod, each rotating connection is provided with one second rotating shaft, each fixedly connected at the left ends of the four second rotating shafts is provided with one second straight gear, the four second straight gears are all meshed with the first straight gear, the right ends of the four second rotating shafts are fixedly connected with one roller, and the four adjusting sliding blocks and the rollers are all connected with a throttling and pressure reducing unit.
More preferably, the throttling and pressure reducing unit comprises sliding rods, a first fixed head, a second fixed head, a first elastic part, movable plugs and elastic ropes, the sliding rods are fixedly connected to the left sides of the four adjusting sliding blocks respectively, one ends of the four sliding rods, far away from the screw rod, are slidably connected with the inner tubes of the adjacent production wing valves respectively, the first fixed head is fixedly connected to the upper portions of the right sides of the four sliding rods respectively, the second fixed head is fixedly connected to the middle portion of the right side of each sliding rod respectively, the first elastic part is fixedly connected to the right side of each second fixed head respectively, the movable plugs are fixedly connected to the right ends of the four first elastic parts respectively, and between the four rollers and the adjacent movable plugs, each elastic rope is fixedly connected to each fixed head and penetrates through the adjacent adjusting sliding block, the first fixed head and the second fixed head respectively.
More preferably, the four movable plugs are all arranged in a sphere structure.
More preferably, the production wing valve comprises an auxiliary valve opening unit, the production wing valve branch pipe is provided with the auxiliary valve opening unit, the auxiliary valve opening unit comprises a second fixing frame, a second driving motor, a third rotating shaft, a bevel gear, an annular sliding block, a bevel gear ring, a second elastic part, a fixing block, a pushing head and a pushing block, the second fixing frame is fixedly connected between a flange of the production wing valve outer pipe and the lower side of the flange of the production wing valve branch pipe, the middle side of the second fixing frame is fixedly connected with the second driving motor, the lower part of the left end of the production wing valve branch pipe is rotatably connected with the third rotating shaft, an output shaft of the second driving motor is fixedly connected with the third rotating shaft, the upper end of the third rotating shaft is fixedly connected with the bevel gear, the left end of the production wing valve branch pipe is slidably connected with the annular sliding block, the left side of the annular sliding block is fixedly connected with the bevel gear ring, the bevel gear is meshed with the bevel gear ring, and four second elastic parts are fixedly connected around the left side of the production wing valve branch pipe, the left ends of the four second elastic parts are fixedly connected with a fixed block respectively, the left sides of the four fixed blocks are fixedly connected with a pushing head respectively, and the inner side of the annular sliding block is fixedly connected with a pushing block.
More preferably, the four fixing blocks are all arranged in a circular truncated cone structure.
Has the advantages that: in the technical scheme, a double-layer inner diameter contraction structure is arranged in an oil pipe, wherein a first layer contraction structure in the oil pipe is an acute contraction structure and provides short pressure buffering time for conventional throttling adjustment so that the conventional throttling work is quickly completed, a second layer contraction structure in the oil pipe is a slow contraction structure so that long pressure buffering time is provided for the limiting throttling adjustment so that the limiting throttling work is smoothly completed and the phenomenon of pressure reduction and freezing in the oil pipe is avoided, in addition, a movable plug part is arranged in the oil pipe and can adjust the throttling degree along with the change moment of fluid pressure so that the throttling work can be smoothly performed, the oil pipe with the double-layer inner diameter contraction structure and the movable plug part capable of being automatically adjusted are arranged in a production wing valve pipe of the Christmas tree, and the Christmas tree has a multi-stage throttling change function, therefore, the technical problem that the contraction structure of the inner diameter of the oil pipe in the Christmas tree cannot be changed, and the pressure buffering time required by the adjustment work of the inner diameter of the oil pipe cannot be changed when the fluid in the oil pipe is changed in different flow rates is solved.
Drawings
FIG. 1 is a schematic perspective view of the present Christmas tree;
FIG. 2 is a partial perspective view of the present Christmas tree;
FIG. 3 is a schematic perspective view of a throttling regulation unit of the Christmas tree;
FIG. 4 is a partial cross-sectional view of a throttling regulation unit of the present Christmas tree;
FIG. 5 is a schematic view of a partial three-dimensional structure of a throttling regulation unit of the Christmas tree;
FIG. 6 is a schematic view of a first partial perspective view of a rope tensioning unit of the tree;
FIG. 7 is a schematic view of a second partial perspective view of a rope tensioning unit of the present Christmas tree;
FIG. 8 is a schematic perspective view of the throttling and depressurizing unit of the Christmas tree;
FIG. 9 is a schematic perspective view of the auxiliary valve opening unit of the Christmas tree;
FIG. 10 is a partial perspective view of the auxiliary valve opening unit of the Christmas tree;
fig. 11 is an enlarged view of the auxiliary valve opening unit C of the christmas tree.
Wherein the figures include the following reference numerals: 1-a tree body, 2-an oil pipe four-way, 31-a production wing valve outer pipe, 32-a production wing valve branch pipe, 101-a pipe sleeve, 102-a production wing valve inner pipe, 102 a-a left straight cylinder channel, 102 b-a middle throttling channel, 102 c-a right throttling channel, 103-a first fixing frame, 104-a first driving motor, 105-a fixing pipe, 106-a first rotating shaft, 107-a worm, 108-a screw rod, 109-a worm wheel, 201-a lining, 202-a first straight gear, 203-a rotating ring, 204-an adjusting sliding block, 205-a second rotating shaft, 206-a second straight gear, 207-a roller, 301-a sliding rod, 302-a first fixing head, 303-a second fixing head, 304-a first elastic piece, 305-a movable plug, 306-elastic rope, 401-second fixing frame, 402-second driving motor, 403-third rotating shaft, 404-bevel gear, 405-annular sliding block, 406-bevel gear ring, 407-second elastic piece, 408-fixing block, 409-pushing head and 410-pushing block.
Detailed Description
It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.
Example 1
A Christmas tree with multi-stage throttling conversion function for oil extraction in an oil field is shown in figures 1-8 and comprises a throttling regulation and control unit, a rope tension unit, a throttling pressure reduction unit, a Christmas tree main body 1, an oil pipe four-way joint 2, a production wing valve outer pipe 31 and a production wing valve branch pipe 32; an oil pipe cross joint 2 is arranged on the upper side of the Christmas tree main body 1; the right branch of the oil pipe four-way valve 2 is communicated with a production wing valve outer pipe 31; a production wing valve branch pipe 32 is communicated with the right side of the production wing valve outer pipe 31; the outer pipe 31 of the production wing valve is connected with a throttling regulation unit; the inner side of the throttling regulation unit is connected with a rope tensioning unit; the inner side of the throttling regulation unit is connected with a throttling pressure reduction unit; the inner side of the throttling and pressure reducing unit is connected with a rope tensioning unit.
As shown in fig. 3 and 4, the throttling regulation and control unit comprises a pipe sleeve 101, a production wing valve inner pipe 102, a first fixing frame 103, a first driving motor 104, a fixing pipe 105, a first rotating shaft 106, a worm 107, a screw rod 108 and a worm wheel 109; a pipe sleeve 101 is fixedly connected to the right part of the inner side of the production wing valve outer pipe 31; four production wing valve inner pipes 102 are welded around the inner side of the pipe sleeve 101, and the inner sides of the four production wing valve inner pipes 102 are sequentially divided into a left straight-tube channel 102a, a middle throttling channel 102b and a right throttling channel 102c from left to right; the length of the middle throttle passage 102b is shorter than the length of the right throttle passage 102 c; the cross sectional area of the left end of the middle throttle passage 102b is larger than that of the right end; the cross-sectional area of the left end of the right throttling passage 102c is larger than that of the right end; the left end and the right end of the four production wing valve inner pipes 102 are respectively communicated with the production wing valve outer pipe 31 and the production wing valve branch pipe 32; a first fixing frame 103 is welded on the front side of the flange at the left part of the outer pipe 31 of the production wing valve; a first driving motor 104 is connected to the right side of the first fixing frame 103 through a bolt; a fixing tube 105 is embedded at the left part of the pipe sleeve 101; a first rotating shaft 106 is rotatably connected between the left side of the fixed pipe 105 and the outer pipe 31 of the production wing valve; an output shaft of the first driving motor 104 is fixedly connected with a first rotating shaft 106; the rear end of the first rotating shaft 106 is fixedly connected with a worm 107; the inner side of the fixed tube 105 is rotatably connected with a screw rod 108; the left end of the screw rod 108 is fixedly connected with a worm wheel 109; the worm 107 is meshed with a worm wheel 109; the screw rod 108 and the four production wing valve inner pipes 102 are connected with a rope tensioning unit; the four production wing valve inner pipes 102 are all connected with a throttling and pressure reducing unit.
As shown in fig. 5 to 8, the rope winding and unwinding unit comprises a bushing 201, a first spur gear 202, a rotary ring 203, an adjusting sliding block 204, a second rotary shaft 205, a second spur gear 206 and a roller 207; the left side of the screw rod 108 is connected with a bush 201; a first straight gear 202 is fixedly connected to the left part of the outer side surface of the bush 201; a rotating ring 203 is rotatably connected to the right part of the outer side surface of the bush 201; one side of each of the four production wing valve inner tubes 102, which is close to the screw rod 108, is slidably connected with an adjusting sliding block 204; the four adjusting sliding blocks 204 are fixedly connected with the rotary ring 203 through connecting blocks respectively; one side of the four adjusting sliding blocks 204 close to the screw rod 108 is rotatably connected with a second rotating shaft 205; the left ends of the four second rotating shafts 205 are respectively fixedly connected with a second straight gear 206; the four second spur gears 206 are all meshed with the first spur gear 202; a roller 207 is welded at the right end of each of the four second rotating shafts 205; the four adjusting sliding blocks 204 and the roller 207 are connected with a throttling and pressure reducing unit.
As shown in fig. 5-8, the throttling and depressurizing unit comprises a sliding rod 301, a first fixed head 302, a second fixed head 303, a first elastic member 304, a movable plug 305 and an elastic rope 306; the left sides of the four adjusting sliding blocks 204 are respectively welded with a sliding rod 301; one ends of the four sliding rods 301, which are far away from the screw rod 108, are respectively connected with the adjacent production wing valve inner tubes 102 in a sliding manner; the upper parts of the right sides of the four slide rods 301 are respectively welded with a first fixing head 302; the middle part of the right side of the slide bar 301 is welded with a second fixed head 303 respectively; a first elastic element 304 is fixedly connected to the right side of each of the four second fixing heads 303; the right ends of the four first elastic members 304 are respectively fixedly connected with a movable plug 305; the four movable plugs 305 are all arranged in a sphere structure; an elastic rope 306 is fixedly connected between each of the four rollers 207 and the adjacent movable plug 305; four elastic ropes 306 respectively penetrate through the adjacent one of the adjusting slide blocks 204, the first fixing head 302 and the second fixing head 303.
In the embodiment of the present invention, the first elastic member 304 used is an extension spring.
The fluid produced firstly flows through the production tree main body 1, the oil pipe four-way joint 2, the production wing valve outer pipe 31, the production wing valve inner pipe 102 and the production wing valve branch pipe 32, and is output to an oil pipeline from an oil nozzle externally connected with the production wing valve branch pipe 32, and the oil production work is normally carried out, at this time, the movable plug 305 follows the fluid flowing to the right, and under the thrust of the fluid to the right, the first elastic part 304 and the elastic rope 306 are driven to be stretched to the right, and the movable plug 305 is kept in the left straight cylinder channel 102a of the production wing valve inner pipe 102.
When the fluid needs to be throttled normally, the output shaft of the first driving motor 104 drives the first rotating shaft 106 to rotate, the first rotating shaft 106 drives the worm 107 to rotate, the worm 107 is meshed with the worm wheel 109 to drive the screw rod 108 to rotate, the rotating screw rod 108 drives the bushing 201, the first straight gear 202 and the rotating ring 203 to push the adjusting sliding block 204 and the sliding rod 301 to move rightwards along the production wing valve inner tube 102, simultaneously, the rotating first straight gear 202 is meshed with the second straight gear 206 and drives the roller 207 to rotate through the second rotating shaft 205, the rotating roller 207 slowly winds the elastic rope 306, the elastic rope 306 drives the movable plug 305 and the first elastic member 304 to slowly contract towards the sliding rod 301, the movable plug 305 is driven by the thrust force of the fluid to the right to slowly move rightwards along with the adjusting sliding block 204 to enter the middle throttling channel 102b of the production wing valve inner tube 102, and the elastic rope 306 drives the movable plug 305 to contract leftwards, slower than the moving speed of the movable plug 305 moving to the right, the movable plug 305 moving to the right slowly, and avoiding the too long elastic rope 306 connected with the movable plug 305, the movable plug 305 swinging in the fluid, because the length of the middle throttle channel 102b is shorter, the middle throttle channel 102b is in a structure shrinking sharply to the right, when the movable plug 305 enters the middle throttle channel 102b of the production wing valve inner tube 102, the gap between the movable plug 305 and the production wing valve inner tube 102 is gradually reduced, the amount of the fluid flowing through the middle throttle channel 102b of the production wing valve inner tube 102 is also reduced, because of the sharp shrinkage structure of the middle throttle channel 102b, when the flow of the fluid changes, a shorter pressure buffering time is provided for the fluid, and the conventional throttling work is completed quickly.
When the fluid is required to be throttled in a limited manner, the output shaft of the first driving motor 104 drives the first rotating shaft 106 to rotate, so that the movable plug 305 is slowly moved rightward along with the adjustment sliding block 204 under the rightward thrust of the fluid, passes through the middle throttling channel 102b of the production wing valve inner tube 102, and enters the right throttling channel 102c of the production wing valve inner tube 102, because the middle throttling channel 102b is long in length, the middle throttling channel 102b is in a structure slowly contracted rightward, while the movable plug 305 enters the right throttling channel 102c of the production wing valve inner tube 102, the gap between the movable plug 305 and the production wing valve inner tube 102 is gradually reduced, the amount of the fluid flowing through the right throttling channel 102c of the production wing valve inner tube 102 is also reduced, wherein the slow contraction structure of the right throttling channel 102c provides a long pressure buffering time for the fluid when the flow rate of the fluid changes, the extreme throttling work is smoothly completed, and the phenomenon that the fluid in the inner pipe 102 of the production wing valve is reduced in pressure and frozen due to the fact that the flow is instantly reduced and the flow speed is instantly increased is avoided.
In addition, in the normal oil production work and the throttling work of the fluid, under the influence of the contraction structures of the middle throttling channel 102b and the right throttling channel 102c of the production wing valve inner tube 102, when the fluid passes through the production wing valve inner tube 102 from left to right, the flow rate of the fluid gradually increases, the pressure of the fluid on the left side of the movable plug 305 is generally higher than the pressure of the fluid on the right side of the movable plug 305, the first elastic member 304 and the elastic rope 306 generate reverse contraction force after being stretched by the fluid, the movable plug 305 is stably suspended in the fluid under the resistance of the reverse contraction force generated after the first elastic member 304 and the elastic rope 306 are stretched by the fluid, when the flow rate of the fluid in the production wing valve inner tube 102 is increased instantaneously, the movable plug 305 impacted by the fluid to the right drives the first elastic member 304 and the elastic rope 306 to be further stretched to the right, so that the movable plug 305 enters the middle throttling channel 102b or the right throttling channel 102c, the gap between the movable plug 305 and the production wing valve inner tube 102 is adjusted to reduce the flow of the fluid, and offset the redundant flow generated when the flow rate of the fluid is suddenly increased, when the flow rate of the fluid is reduced to be stable, the stretched first elastic piece 304 and the elastic rope 306 drive the movable plug 305 to slowly contract leftwards, so that the throttling work is smoothly performed, and the fluid can be stably conveyed in the production wing valve inner tube 102.
Example 2
As shown in fig. 1 to 11, the present embodiment is further optimized based on embodiment 1, and further includes an auxiliary valve opening unit, where the production wing valve branch pipe 32 is provided with an auxiliary valve opening unit, and the auxiliary valve opening unit includes a second fixing frame 401, a second driving motor 402, a third rotating shaft 403, a bevel gear 404, an annular slider 405, a bevel gear ring 406, a second elastic member 407, a fixing block 408, a push head 409, and a push block 410; a second fixing frame 401 is welded between the flange of the production wing valve outer pipe 31 and the lower side of the flange of the production wing valve branch pipe 32; a second driving motor 402 is connected to the middle bolt of the second fixing frame 401; the lower part of the left end of the production wing valve branch pipe 32 is rotatably connected with a third rotating shaft 403; the output shaft of the second driving motor 402 is fixedly connected with a third rotating shaft 403; a bevel gear 404 is fixedly connected to the upper end of the third rotating shaft 403; the left end of the production wing valve branch pipe 32 is connected with an annular sliding block 405 in a sliding manner; a bevel gear ring 406 is welded on the left side of the annular sliding block 405; the bevel gear 404 is engaged with a bevel gear ring 406; four second elastic members 407 are fixedly connected around the left side of the production wing valve branch pipe 32; the left ends of the four second elastic members 407 are fixedly connected with a fixing block 408; the four fixing blocks 408 are all arranged in a circular truncated cone structure; the left sides of the four fixed blocks 408 are fixedly connected with a push head 409 respectively; a push block 410 is fixed on the inner side of the annular slide block 405.
In the embodiment of the present invention, the second elastic member 407 is a spring telescopic rod.
In the process of throttling the fluid at the limit, or after closing the channel between the production wing valve outer tube 31 and the production wing valve branch tube 32, when the movable plug 305 is plugged in the right throttling channel 102c of the production wing valve inner tube 102, the right throttling channel 102c of the production wing valve inner tube 102 is plugged to be isolated from the production wing valve branch tube 32, the fluid in the production wing valve inner tube 102 no longer flows into the production wing valve branch tube 32, when the channel between the production wing valve outer tube 31 and the production wing valve branch tube 32 needs to be opened again, because the pressure difference between the left side and the right side of the production wing valve inner tube 102 is obvious, if the movable plug 305 plugged in the right throttling channel 102c is opened quickly, the fluid in the right throttling channel 102c is sprayed to the right quickly, so that a large pressure reduction situation occurs, and the fluid in the right throttling channel 102c is easy to have a pressure reduction freezing phenomenon.
Therefore, when the passage between the production wing valve outer pipe 31 and the production wing valve branch pipe 32 is opened, firstly, the output shaft of the second driving motor 402 drives the third rotating shaft 403 to rotate, the third rotating shaft 403 drives the bevel gear 404 to rotate, the bevel gear 404 is meshed with the bevel gear ring 406 to drive the annular sliding block 405 to slowly drive the push block 410 to rotate, when the push block 410 passes through the first adjacent fixed block 408, the push block 410 pushes the fixed block 408 to drive the push head 409 and the second elastic member 407 connected thereto to stretch leftwards, so that the push head 409 pushes one movable plug 305 adjacent thereto leftwards to slowly move leftwards, the right throttling passage 102c in the same group with the movable plug 305 is slowly opened, the fluid in the right throttling passage 102c enters the production wing valve branch pipe 32, and after the fluid is introduced into the production wing valve branch pipe 32, the fluid slowly covers the other three right throttling passages 102c, the push block 410, which gradually raises the pressure inside the production wing valve branch pipe 32 and continues to rotate at the same time, sequentially drives the other three push heads 409 to open the three adjacent movable plugs 305 according to the above working principle, so as to slowly open the passage between the production wing valve outer pipe 31 and the production wing valve branch pipe 32, and the fluid is slowly discharged from the right throttling passage 102c, thereby avoiding the occurrence of the pressure reduction and freezing phenomenon of the fluid caused by the discharge of a large amount of fluid.
The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.
Claims (9)
1. A Christmas tree with multi-stage throttling conversion function for oil extraction in oil fields comprises a Christmas tree main body (1), an oil pipe four-way (2), a production wing valve outer pipe (31) and a production wing valve branch pipe (32); an oil pipe cross joint (2) is arranged on the upper side of the Christmas tree main body (1); the right branch of the oil pipe four-way (2) is communicated with a production wing valve outer pipe (31); a production wing valve branch pipe (32) is communicated with the right side of the production wing valve outer pipe (31); the device is characterized by also comprising a throttling regulation unit, a rope tension unit and a throttling pressure reduction unit; the production wing valve outer pipe (31) is connected with a throttling regulation unit for multi-stage throttling regulation; the inner side of the throttling regulation unit is connected with a rope tension unit for regulating and controlling the throttling degree; the inner side of the throttling regulation unit is connected with a throttling pressure reduction unit for reducing the pressure intensity of fluid; the inner side of the throttling and pressure reducing unit is connected with a rope tensioning unit;
the throttling regulation and control unit comprises a pipe sleeve (101), a production wing valve inner pipe (102), a first fixing frame (103), a first driving motor (104), a fixing pipe (105), a first rotating shaft (106), a worm (107), a screw rod (108) and a worm wheel (109); a pipe sleeve (101) is fixedly connected to the right part of the inner side of the production wing valve outer pipe (31); four production wing valve inner pipes (102) are fixedly connected around the inner side of the pipe sleeve (101); the left end and the right end of each of the four production wing valve inner pipes (102) are respectively communicated with a production wing valve outer pipe (31) and a production wing valve branch pipe (32); a first fixing frame (103) is fixedly connected to the front side of a left flange of the outer pipe (31) of the production wing valve; a first driving motor (104) is fixedly connected to the right side of the first fixing frame (103); a fixed pipe (105) is embedded at the left part of the pipe sleeve (101); a first rotating shaft (106) is rotatably connected between the left side of the fixed pipe (105) and the outer pipe (31) of the production wing valve; an output shaft of the first driving motor (104) is fixedly connected with a first rotating shaft (106); the rear end of the first rotating shaft (106) is fixedly connected with a worm (107); the inner side of the fixed tube (105) is rotatably connected with a screw rod (108); the left end of the screw rod (108) is fixedly connected with a worm wheel (109); the worm (107) is meshed with the worm wheel (109); the screw rod (108) and the four production wing valve inner pipes (102) are connected with a rope tensioning unit; the four production wing valve inner pipes (102) are all connected with a throttling and pressure reducing unit.
2. The Christmas tree with the multi-stage throttling conversion function for oil recovery in the oil field according to claim 1, wherein the inner sides of the four production wing valve inner pipes (102) are divided into a left straight-tube passage (102 a), a middle throttling passage (102 b) and a right throttling passage (102 c) from left to right in sequence; the length of the middle throttle passage (102 b) is shorter than the length of the right throttle passage (102 c).
3. The christmas tree with multi-stage throttling shift function for oil recovery in oil fields according to claim 2, wherein the cross-sectional area of the middle throttling channel (102 b) is larger at the left end than at the right end.
4. The Christmas tree with multi-stage throttling conversion function for oil recovery in an oil field according to claim 2, wherein the cross-sectional area of the left end of the right throttling passage (102 c) is larger than that of the right end.
5. The Christmas tree with the multi-stage throttling transformation function for oil recovery in the oil field according to any one of claims 2 to 4, wherein the rope tensioning unit comprises a bushing (201), a first straight gear (202), a rotating ring (203), an adjusting sliding block (204), a second rotating shaft (205), a second straight gear (206) and a roller (207); the left side of the screw rod (108) is connected with a bush (201); a first straight gear (202) is fixedly connected to the left part of the outer side surface of the bush (201); a rotating ring (203) is rotatably connected to the right part of the outer side surface of the bush (201); one side of each of the four production wing valve inner pipes (102) close to the screw rod (108) is connected with an adjusting sliding block (204) in a sliding manner; the four adjusting sliding blocks (204) are fixedly connected with the rotating ring (203) through connecting blocks respectively; one side of the four adjusting sliding blocks (204) close to the screw rod (108) is respectively and rotatably connected with a second rotating shaft (205); the left ends of the four second rotating shafts (205) are respectively fixedly connected with a second straight gear (206); the four second straight gears (206) are all meshed with the first straight gear (202); a roller (207) is fixedly connected to the right ends of the four second rotating shafts (205); the four adjusting sliding blocks (204) and the roller (207) are connected with a throttling and pressure reducing unit.
6. The Christmas tree with the multi-stage throttling and converting function for oil recovery in the oil field is characterized in that the throttling and depressurizing unit comprises a sliding rod (301), a first fixed head (302), a second fixed head (303), a first elastic member (304), a movable plug (305) and an elastic rope (306); the left sides of the four adjusting sliding blocks (204) are respectively fixedly connected with a sliding rod (301); one ends of the four sliding rods (301) far away from the screw rod (108) are respectively connected with one adjacent production wing valve inner tube (102) in a sliding manner; the upper parts of the right sides of the four sliding rods (301) are respectively fixedly connected with a first fixing head (302); the middle part of the right side of the sliding rod (301) is fixedly connected with a second fixing head (303) respectively; a first elastic piece (304) is fixedly connected to the right side of each of the four second fixing heads (303); the right ends of the four first elastic pieces (304) are respectively fixedly connected with a movable plug (305); an elastic rope (306) is fixedly connected between each of the four rollers (207) and the adjacent movable plug (305); the four elastic ropes (306) respectively penetrate through the adjacent adjusting sliding block (204), the first fixing head (302) and the second fixing head (303).
7. The Christmas tree with multi-stage throttling conversion function for oil recovery in oil fields as claimed in claim 6, wherein the four movable plugs (305) are all arranged in a sphere structure.
8. The Christmas tree with the multi-stage throttling conversion function for oil recovery in the oil field according to claim 6, further comprising an auxiliary valve opening unit, wherein the production wing valve branch pipe (32) is provided with the auxiliary valve opening unit, and the auxiliary valve opening unit comprises a second fixing frame (401), a second driving motor (402), a third rotating shaft (403), a bevel gear (404), an annular sliding block (405), a bevel gear ring (406), a second elastic member (407), a fixing block (408), a pushing head (409) and a pushing block (410); a second fixing frame (401) is fixedly connected between the flange of the production wing valve outer pipe (31) and the lower side of the flange of the production wing valve branch pipe (32); a second driving motor (402) is fixedly connected to the middle side of the second fixing frame (401); the lower part of the left end of the production wing valve branch pipe (32) is rotatably connected with a third rotating shaft (403); an output shaft of the second driving motor (402) is fixedly connected with a third rotating shaft (403); the upper end of the third rotating shaft (403) is fixedly connected with a bevel gear (404); the left end of the production wing valve branch pipe (32) is connected with an annular sliding block (405) in a sliding manner; a conical tooth ring (406) is fixedly connected to the left side of the annular sliding block (405); the bevel gear (404) is meshed with the bevel gear ring (406); four second elastic pieces (407) are fixedly connected around the left side of the production wing valve branch pipe (32); the left ends of the four second elastic pieces (407) are fixedly connected with a fixed block (408) respectively; the left sides of the four fixed blocks (408) are fixedly connected with a push head (409) respectively; the inner side of the annular sliding block (405) is fixedly connected with a push block (410).
9. The Christmas tree with the multi-stage throttling conversion function for oil extraction in the oil field as claimed in claim 8, wherein the four fixing blocks (408) are all arranged in a circular truncated cone structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210144175.4A CN114458240B (en) | 2022-02-17 | 2022-02-17 | Christmas tree with multi-stage throttling conversion function for oil field oil extraction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210144175.4A CN114458240B (en) | 2022-02-17 | 2022-02-17 | Christmas tree with multi-stage throttling conversion function for oil field oil extraction |
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| CN114458240A true CN114458240A (en) | 2022-05-10 |
| CN114458240B CN114458240B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072102A (en) * | 2023-10-18 | 2023-11-17 | 盐城旭东机械有限公司 | 175MPa high pressure gas production wellhead device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA584503A (en) * | 1959-10-06 | B. Bredtschneider Kurt | Combined throttle and stop valve | |
| BE590467A (en) * | 1959-05-08 | 1960-09-01 | Marvin Henry Grove | Construction of a set of valves. |
| WO2016087610A1 (en) * | 2014-12-03 | 2016-06-09 | Ge Oil & Gas Uk Limited | Configurable subsea tree master valve block |
| US9702215B1 (en) * | 2016-02-29 | 2017-07-11 | Fmc Technologies, Inc. | Subsea tree and methods of using the same |
| WO2018022770A1 (en) * | 2016-07-27 | 2018-02-01 | Fmc Technologies, Inc. | Ultra-compact subsea tree |
-
2022
- 2022-02-17 CN CN202210144175.4A patent/CN114458240B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA584503A (en) * | 1959-10-06 | B. Bredtschneider Kurt | Combined throttle and stop valve | |
| BE590467A (en) * | 1959-05-08 | 1960-09-01 | Marvin Henry Grove | Construction of a set of valves. |
| WO2016087610A1 (en) * | 2014-12-03 | 2016-06-09 | Ge Oil & Gas Uk Limited | Configurable subsea tree master valve block |
| US9702215B1 (en) * | 2016-02-29 | 2017-07-11 | Fmc Technologies, Inc. | Subsea tree and methods of using the same |
| WO2018022770A1 (en) * | 2016-07-27 | 2018-02-01 | Fmc Technologies, Inc. | Ultra-compact subsea tree |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072102A (en) * | 2023-10-18 | 2023-11-17 | 盐城旭东机械有限公司 | 175MPa high pressure gas production wellhead device |
| CN117072102B (en) * | 2023-10-18 | 2023-12-19 | 盐城旭东机械有限公司 | 175MPa high pressure gas production wellhead device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114458240B (en) | 2024-07-23 |
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