CN113445928A - Combined wellhead device for quantitative water-blending gathering and transportation process - Google Patents

Combined wellhead device for quantitative water-blending gathering and transportation process Download PDF

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Publication number
CN113445928A
CN113445928A CN202110823146.6A CN202110823146A CN113445928A CN 113445928 A CN113445928 A CN 113445928A CN 202110823146 A CN202110823146 A CN 202110823146A CN 113445928 A CN113445928 A CN 113445928A
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China
Prior art keywords
wellhead
sleeve
joint
combined
connecting rod
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Withdrawn
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CN202110823146.6A
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Chinese (zh)
Inventor
丁昔胜
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Individual
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Individual
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Priority to CN202110823146.6A priority Critical patent/CN113445928A/en
Publication of CN113445928A publication Critical patent/CN113445928A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/44Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22Rods or pipes with helical structure
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • E21B33/04Casing heads; Suspending casings or tubings in well heads
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a combined wellhead device for a quantitative water-doped gathering and transportation process, which belongs to the technical field of petroleum machinery, and comprises a wellhead mechanism, a driving disc, a plurality of combined sections and a drill bit device, and is characterized in that: the wellhead mechanism is arranged at the upper end of the combined joint, the driving disc is arranged at the lower end of the wellhead mechanism, the driving disc and the wellhead mechanism are fixedly connected with the same axis, and a gear arranged at the edge of the driving disc is meshed with an external power source; the end of the combined joint is coaxially connected, and the combined joint at the lowest end is coaxially connected with the upper end of the drill bit device.

Description

Combined wellhead device for quantitative water-blending gathering and transportation process
Technical Field
The invention belongs to the technical field of petroleum machinery, and particularly relates to a combined wellhead device for a quantitative water-doped gathering and transportation process.
Background
Because the viscosity of crude oil is too high and the pipeline transportation resistance is high, a measure for reducing the viscosity of the crude oil by adding water so as to reduce the pipeline transportation resistance is needed, and the crude oil can be heated to reduce the viscosity by short-distance transportation. Water injection refers to the process of injecting water into an oil well to press out the crude oil in the well during the process of crude oil extraction and fill up gaps extracted by the crude oil.
The patent with the application number of CN201720000994.6 provides a constant-pressure quantitative watering device for a heavy oil well, the device is provided with a body, a joint, a water outlet, a water nozzle sleeve and a water inlet pipe, and the water is introduced from the water inlet and flows into the heavy oil well from a water outlet pipe to realize quantitative watering.
Disclosure of Invention
Aiming at the technical problem, the invention provides a combined wellhead device for a quantitative water-blending gathering and transportation process, which comprises a wellhead mechanism, a driving disc, a plurality of combined sections and a drill bit device, and is characterized in that: the wellhead mechanism is arranged at the upper end of the combined joint, the driving disc is arranged at the lower end of the wellhead mechanism, the driving disc and the wellhead mechanism are fixedly connected with the same axis, and a gear arranged at the edge of the driving disc is meshed with an external power source; the head and the tail of the combined joint are coaxially connected, and the combined joint at the lowest end is coaxially connected with the upper end of the drill bit device.
The wellhead mechanism comprises a wellhead sleeve, a movable sliding rod, a pushing plate, a pushing connecting rod, an up-down moving plate, a rotating connecting rod and a rotating adjusting plate, wherein a cavity is formed in the circumference of the wellhead sleeve, an air hole is formed in the inner wall of the wellhead sleeve and is connected with the cavity of the wellhead sleeve, the movable sliding rod is slidably mounted on the wellhead sleeve and is arranged in the cavity of the wellhead sleeve, the movable sliding rod is located on two sides of the air hole in the wellhead sleeve, the pushing plate is fixedly mounted at the front end of the movable sliding rod, the middle position of the front end of the movable sliding rod is fixedly connected with an upper end rod of the pushing connecting rod, and a lower end rod of the pushing connecting rod is hinged to a hinged support arranged on the up-down moving plate; the lower extreme of upper and lower movable plate is evenly provided with around the connecting rod that rotates, rotates the lower extreme articulated of connecting rod and upper and lower movable plate, the rotation regulating plate rotate and install on the installation cover, rotate the regulating plate and rotate the connecting rod and correspond the installation, the lower extreme of rotating the connecting rod and the installation axle coaxial fixed connection who rotates the regulating plate, the movable plate reciprocates the drive and rotates the regulating plate and rotate.
The combined joint comprises an abutting joint, a clamping disc, a clamping groove and a clamping installation groove, wherein the abutting joint is arranged at the lower end of the combined joint, and the abutting joint is provided with the groove; the clamping mounting groove is formed in the circumference of the upper end of the combined section, the clamping disc is rotatably mounted on the clamping mounting groove, a clamping groove is formed in the clamping disc, the butt joint female head is arranged at the upper end of the combined section, and the butt joint female head corresponds to the clamping groove when the butt joint female head is not mounted; the combined joint of the upper section is arranged in a butt joint female joint at the upper end of the combined joint of the lower section through a butt joint, and a clamping disc arranged on the combined joint of the lower section rotates into a groove of the butt joint to connect the combined joint of the upper section and the combined joint of the lower section.
Furthermore, the wellhead mechanism also comprises a fixed thread sleeve, a turntable support, a rotating disc, a tightening limiting plate, a tightening belt, a movable thread sleeve, a compression spring and a wellhead base, wherein the lower end of the fixed thread sleeve is fixedly arranged at the upper end of the wellhead base, the outer circumference of the fixed thread sleeve is provided with mounting threads, and the fixed thread sleeve is in thread fit installation with the lower end of the wellhead sleeve through the mounting threads; the movable threaded sleeve is provided with a mounting rod close to the circle center side, the movable threaded sleeve is slidably mounted at the lower end of the fixed threaded sleeve through the mounting rod, a compression spring is mounted between the movable threaded sleeve and the fixed threaded sleeve, and the compression spring jacks up the movable threaded sleeve so that the diameter of the movable threaded sleeve is larger than that of the fixed threaded sleeve; the tightening belt is sleeved outside the lower end of the movable threaded sleeve, one end of the tightening belt is fixedly arranged on the rotating disc, the rotating disc support is arranged on the outer wall of the wellhead base, the rotating disc is rotatably arranged on the rotating disc support, a rotating ratchet wheel is arranged at the joint of the rotating disc and the rotating disc support, the rotating ratchet wheel is rotated to enable the rotating disc to rotate in a one-way mode towards the tightening belt contraction direction, the tightening belt tightens and compresses the movable threaded sleeve to move towards the circle center side, and the diameters of the movable threaded sleeve and the fixed threaded sleeve are the same; the tightening limiting plate is arranged on the outer wall of the wellhead base, the tightening limiting plate is located above the turntable support, and the tightening belt penetrates through the middle of the tightening limiting plate and faces downwards.
Furthermore, the combined joint further comprises a spring mounting seat and a return spring, the outer side of the spring mounting seat is fixedly mounted inside the circumference of the wellhead sleeve, the upper end of the return spring is fixedly connected with the lower end of the upper and lower moving plates, the lower end of the return spring is fixedly connected with the middle position of the spring mounting seat, and the return spring drives the upper and lower moving plates to move upwards.
Further, the combination festival still including connecting female head, arc tooth, drive gear, connecting rod, the arc tooth set up on the chucking dish, the arc tooth is installed with drive gear meshing, connecting rod and drive gear coaxial axis fixed mounting, the upper end of connecting rod is provided with connects female head, the lower extreme of connecting rod is provided with the connector, the connector of the connecting rod of upper segment and the female first cooperation contact of being connected of lower section, the drive gear of the connecting rod drive lower section of upper segment removes, makes the chucking dish rotate.
Further, the drill bit device include drill bit frame, slip track, sliding plate, outer end delivery port, carriage release lever, prevent stifled carousel, inside delivery port, the slip track set up on the outer wall of drill bit frame, be provided with the sliding tray on the outer wall of drill bit frame, the sliding tray is located slip track's below position, the first end and the sliding plate fixed connection of carriage release lever, the inboard dress of pasting of the circular arc of sliding plate is on the outer wall of drill bit frame, the sliding plate passes through carriage release lever slidable mounting on the sliding tray that sets up on the drill bit frame, the second end of carriage release lever and the centre of a circle fixed connection who prevents stifled carousel, the lower extreme of preventing stifled carousel is provided with inside delivery port, the outer end delivery port one-to-one that sets up on inside delivery port and the drill bit frame.
Furthermore, the inside of well head mechanism and combination festival be provided with circular through-hole, the lower extreme of the inside through-hole of combination festival and the circular port butt joint that the drill bit device set up in the middle of, rivers flow into the circular hole that the drill bit device set up in the middle of from the circular through-hole of well head mechanism and combination festival downwards.
Compared with the prior art, the invention has the beneficial effects that: (1) the rotary screw drills holes at the bottom of the oil well through the driving disc, so that the effect of drilling the original oil well is achieved; (2) by arranging the combined sections, the length of drilling construction can be flexibly extended through the combined sections, so that the mining work is more effective; (3) the invention realizes the function of quantitative water mixing for the heavy oil well by arranging the wellhead mechanism, and is beneficial to the operation of crude oil exploitation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the present invention with the inside broken away.
FIG. 3 is a schematic diagram of the structure of the wellhead housing of the present invention.
Fig. 4 is a schematic structural view of the mobile screw sleeve of the present invention.
Fig. 5 is a schematic diagram of the rotation adjustment of the wellhead mechanism.
Fig. 6 is a schematic structural view of the combined joint connecting device.
Fig. 7 is a schematic structural view of the drill outer frame.
Fig. 8 is a schematic structural diagram of the anti-blocking turntable.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example (b): the combined wellhead device for the quantitative water-blending gathering and transportation process is characterized in that a wellhead mechanism 1 is mounted at the upper end of a combined joint 3, a driving disc 2 is arranged at the lower end of the combined joint 3, the driving disc 2 and the wellhead mechanism 1 are coaxially and fixedly connected, gears arranged at the edge of the driving disc 2 are meshed with an external power source, the external power source is mounted on a lifting support, and the power source enables the driving disc 2 to rotate and simultaneously move from top to bottom. The combined sections 3 can be coaxially connected end to end, and in the embodiment, the connection mode is explained by arranging two combined sections 3; the lowermost combined joint 3 is coaxially connected with the upper end of the drill bit device 5.
As shown in fig. 3, 4 and 5, the wellhead mechanism 1 is provided with a cavity inside the circumference of the wellhead housing 101, and the wellhead housing 101 is provided with an air hole inside, the air hole is connected with the cavity of the wellhead housing 101, and the air hole is used for communicating the wellhead housing 101 and the air pressure of the cavity inside the wellhead housing 101. The movable sliding rod 109 is arranged in a cavity of the wellhead sleeve 101, the movable sliding rod 109 slides on the wellhead sleeve 101, and the movable sliding rod 109 is located on two sides of an air hole in the wellhead sleeve 101. The pushing plate 110 is fixedly installed at the front end of the moving slide bar 109, the middle position of the moving slide bar 109 is fixedly connected with the upper end rod of the pushing connecting rod 111, and the lower end rod of the pushing connecting rod 111 is hinged with a hinged support arranged on the up-down moving plate 112; the periphery of the lower end of the up-down moving plate 112 is uniformly provided with a rotating connecting rod 113, and the upper end of the rotating connecting rod 113 is hinged with the up-down moving plate 112. The rotary adjusting plates 114 are correspondingly arranged on the rotary connecting rods 113 respectively, the rotary adjusting plates 114 are rotatably arranged on the mounting sleeves, and the lower ends of the mounting sleeves are fixedly connected with the upper ends of the spring mounting seats 116; the spring mounting seat 116 is fixedly mounted inside the circumference of the wellhead housing 101 through an outer mounting rod, the upper end of the return spring 117 is fixedly connected with the lower end of the up-down moving plate 112, and the lower end of the return spring 117 is fixedly connected with the middle position of the spring mounting seat 116. When the air pressure inside the wellhead housing 101 increases due to the fact that the water flow speed increases, the air pressure of a cavity arranged in the wellhead housing 101 increases, the air pressure of the cavity drives the movable sliding rod 109 to move outwards, the pushing plate 110 drives the up-down moving plate 112 downwards through the action of the pushing connecting rod 111, the up-down moving plate 112 drives the rotating connecting rod 113 arranged at the lower end to drive the rotating adjusting plate 114 to rotate while moving downwards, the rotating angle of the rotating adjusting plate 114 is made to be smaller relative to the horizontal plane, namely, the gap between each rotating adjusting plate 114 is made to be smaller, and therefore the water flow speed is reduced.
The lower end of a wellhead base 115 is fixedly installed at the upper end, an installation thread is arranged on the circumference of the outer side of a fixed threaded sleeve 102, the fixed threaded sleeve 102 is installed in threaded fit with the lower end of a wellhead sleeve 101 through the installation thread, 8 movable threaded sleeves 107 are arranged at the lower end of the fixed threaded sleeve 102, an installation rod is arranged on the side, close to the circle center, of each movable threaded sleeve 107, each movable threaded sleeve 107 is installed on the corresponding fixed threaded sleeve 102 in a sliding mode through the installation rod, a compression spring 108 is arranged between each movable threaded sleeve 107 and the corresponding fixed threaded sleeve 102, each compression spring 108 drives the corresponding movable threaded sleeve 107 towards the outer side of the circle center, and the compression springs 108 jack the corresponding movable threaded sleeves 107 up to enable the circumferential diameter formed by the corresponding movable threaded sleeves 107 to be larger than the diameter of the corresponding fixed threaded sleeves 102; the tightening belt 106 is sleeved on the outer side of the lower end of the movable threaded sleeve 107, the rotary table support 103 is arranged on the outer wall of the wellhead base 115, the rotary disc 104 is rotatably arranged on the rotary table support 103, and a rotary ratchet wheel is arranged at the joint of the rotary disc 104 and the rotary table support 103. The tightening limiting plate 105 is arranged on the outer wall of the wellhead base 115, the tightening limiting plate 105 is located above the turntable support 103, the tightening belt 106 penetrates through the middle of the tightening limiting plate 105 and downwards, the lower end of the tightening belt 106 is fixedly installed on the rotating disc 104, when the wellhead sleeve 101 is required to be installed in a downward rotating mode, the rotating ratchet is adjusted, the rotating disc 104 rotates in a one-way mode towards the tightening direction of the tightening belt 106 by rotating the ratchet, the tightening belt 106 contracts and compresses the movable threaded sleeve 107 to move towards the circle center side, the diameter of a circular ring formed by the movable threaded sleeve 107 is the same as the diameter of the fixed threaded sleeve 102, and at the moment, the wellhead sleeve 101 can be installed in a downward rotating mode continuously. The part has the function of enabling the height of the wellhead casing 101 to be adjusted up and down and can be conveniently replaced.
As shown in fig. 1, 2, and 6, the combined joint 3 may be extended by a combined length, the lower end of the combined joint 3 is provided with three butt joints 301, the butt joints 301 are fixedly mounted at the lower end of the combined joint 3, each butt joint 301 is provided with a groove, the top end of the combined joint 3 is provided with a female butt joint 309, and each female butt joint 309 corresponds to the butt joint 301; the clamping installation groove 308 is arranged in the circumference of the upper end of the combined joint 3, the clamping disc 304 is rotatably installed on the clamping installation groove 308, the clamping disc 304 is arranged on the clamping disc 304, when the butt joint 301 is not installed in the butt joint female joint 309, the clamping groove 306 and the side edge of the butt joint female joint 309 close to the circle center are aligned, and then the butt joint 301 penetrates through the clamping groove 306 and is installed downwards in the butt joint female joint 309; arc tooth 303 sets up on chucking dish 304, arc tooth 303 and drive gear 305 meshing installation, connecting rod 307 and drive gear 305 are with axle center fixed mounting, the upper end of connecting rod 307 is provided with connects female 302, the lower extreme of connecting rod 307 is provided with the connector, the connector of the connecting rod 307 that upper segment combination festival 3 set up and the female 302 contact of being connected that lower segment combination festival 3 set up, rotate connecting rod 307, female 302 removal is connected in the drive, chucking dish 304 rotates in the time, place that chucking dish 304 does not have the breach rotates in the breach that sets up on butt joint 301, clamp butt joint 301 in butt joint female 309, accomplish the installation.
As shown in fig. 7 and 8, the drill bit device 5 is characterized in that the sliding rail 502 is arranged on the outer wall of the drill bit outer frame 501, the outer wall of the drill bit outer frame 501 is provided with a sliding groove, the sliding groove is positioned below the sliding rail 502, the first end of the moving rod 505 is fixedly connected with the sliding plate 503, the inner side of the arc of the sliding plate 503 is attached to the outer wall of the drill bit outer frame 501, the sliding plate 503 is slidably mounted in the sliding groove arranged on the drill bit outer frame 501 through the moving rod 505, the second end of the moving rod 505 is fixedly connected with the circle center side of the anti-blocking turntable 506, as the drill bit outer frame 501 is in contact with the soil below during rotation to generate friction force, the moving direction of the sliding plate 503 is opposite to the rotating direction of the drill bit outer frame 501; the lower end of the anti-blocking turntable 506 is provided with an internal water outlet 507, the internal water outlet 507 corresponds to the outer end water outlets 504 arranged on the drill bit outer frame 501 one by one, when the sliding plate 503 drives the anti-blocking turntable 506 to rotate, the internal water outlet 507 and the outer end water outlets 504 are staggered, so that soil is prevented from entering a cavity of the drill bit outer frame 501 to cause blocking.
When a well needs to be drilled downwards, the lifting frame provided with a power source is connected with the driving disc 2, the driving disc 2 is driven to rotate, the well continues to drill through the rotating spiral 4, the upper end of the wellhead sleeve 101 is connected with the water delivery pipe, the up-and-down moving plate 112 is driven to move downwards through the moving slide rod 109, the rotating adjusting plate 114 is driven to move downwards, the gap between the rotating adjusting plates 114 is changed, the speed of the underwater flow is changed, the purpose of quantitative water mixing is achieved, the water flow flows downwards from the circular through hole formed in the wellhead mechanism 1 and the combined joint 3, the water flow flows out from the anti-blocking rotary disc 506 and the internal water outlet 507 which are arranged on the drill bit device 5, the water flow is mixed with crude oil in the well, and the viscosity of the crude oil is adjusted.

Claims (6)

1. The utility model provides a defeated technology combination wellhead assembly of ration blending water collection, includes wellhead mechanism, driving-disc, a plurality of combination festival, drill bit device, its characterized in that: the wellhead mechanism is arranged at the upper end of the combined joint, the driving disc is arranged at the lower end of the wellhead mechanism, the driving disc and the wellhead mechanism are fixedly connected with the same axis, and a gear arranged at the edge of the driving disc is meshed with an external power source; the head and the tail of the combined joint are coaxially connected, and the combined joint at the lowest end is coaxially connected with the upper end of the drill bit device;
the wellhead mechanism comprises a wellhead sleeve, a movable sliding rod, a pushing plate, a pushing connecting rod, an up-down moving plate, a rotating connecting rod and a rotating adjusting plate, wherein a cavity is formed in the circumference of the wellhead sleeve, an air hole is formed in the inner wall of the wellhead sleeve and is connected with the cavity of the wellhead sleeve, the movable sliding rod is slidably mounted on the wellhead sleeve and is arranged in the cavity of the wellhead sleeve, the movable sliding rod is located on two sides of the air hole in the wellhead sleeve, the pushing plate is fixedly mounted at the front end of the movable sliding rod, the middle position of the front end of the movable sliding rod is fixedly connected with an upper end rod of the pushing connecting rod, and a lower end rod of the pushing connecting rod is hinged to a hinged support arranged on the up-down moving plate; the periphery of the lower end of the upper and lower moving plates is uniformly provided with a rotating connecting rod, the rotating connecting rod is hinged with the lower end of the upper and lower moving plates, the rotating adjusting plate is rotatably arranged on the mounting sleeve and correspondingly arranged with the rotating connecting rod, the lower end of the rotating connecting rod is coaxially and fixedly connected with a mounting shaft of the rotating adjusting plate, and the upper and lower moving plates move up and down to drive the rotating adjusting plate to rotate;
the combined joint comprises an abutting joint, a clamping disc, a clamping groove and a clamping installation groove, wherein the abutting joint is arranged at the lower end of the combined joint, and the abutting joint is provided with the groove; the butt joint female head is arranged in the circumference of the upper end of the combined section, the clamping disc is rotatably arranged on the clamping installation groove, the clamping disc is provided with a clamping groove, the butt joint female head is arranged at the upper end of the combined section, and the butt joint female head corresponds to the clamping groove when the butt joint female head is not installed; the combined joint of the upper section is arranged in a butt joint female joint at the upper end of the combined joint of the lower section through a butt joint, and a clamping disc arranged on the combined joint of the lower section rotates into a groove of the butt joint to connect the combined joint of the upper section and the combined joint of the lower section.
2. The quantitative water-blending gathering and transportation process combined wellhead device as claimed in claim 1, wherein: the wellhead mechanism also comprises a fixed thread sleeve, a turntable support, a rotating disc, a tightening limiting plate, a tightening belt, a movable thread sleeve, a compression spring and a wellhead base, wherein the lower end of the fixed thread sleeve is fixedly arranged at the upper end of the wellhead base, the outer circumference of the fixed thread sleeve is provided with mounting threads, and the fixed thread sleeve is in thread fit installation with the lower end of the wellhead sleeve through the mounting threads; the movable threaded sleeve is provided with a mounting rod close to the circle center side, the movable threaded sleeve is slidably mounted at the lower end of the fixed threaded sleeve through the mounting rod, a compression spring is mounted between the movable threaded sleeve and the fixed threaded sleeve, and the compression spring jacks up the movable threaded sleeve so that the diameter of the movable threaded sleeve is larger than that of the fixed threaded sleeve; the tightening belt is sleeved outside the lower end of the movable threaded sleeve, one end of the tightening belt is fixedly arranged on the rotating disc, the rotating disc support is arranged on the outer wall of the wellhead base, the rotating disc is rotatably arranged on the rotating disc support, a rotating ratchet wheel is arranged at the joint of the rotating disc and the rotating disc support, the rotating ratchet wheel is rotated to enable the rotating disc to rotate in a one-way mode towards the tightening belt contraction direction, the tightening belt tightens and compresses the movable threaded sleeve to move towards the circle center side, and the diameters of the movable threaded sleeve and the fixed threaded sleeve are the same; the tightening limiting plate is arranged on the outer wall of the wellhead base, the tightening limiting plate is located above the turntable support, and the tightening belt penetrates through the middle of the tightening limiting plate and faces downwards.
3. The quantitative water-blending gathering and transportation process combined wellhead device as claimed in claim 1, wherein: the combined joint further comprises a spring mounting seat and a return spring, the outer side of the spring mounting seat is fixedly mounted inside the circumference of the wellhead sleeve, the upper end of the return spring is fixedly connected with the lower end of the upper and lower moving plates, the lower end of the return spring is fixedly connected with the middle position of the spring mounting seat, and the return spring drives the upper and lower moving plates to move upwards.
4. The quantitative water-blending gathering and transportation process combined wellhead device as claimed in claim 3, wherein: the combination festival still including connecting female, arc tooth, drive gear, connecting rod, the arc tooth set up on the chucking dish, the arc tooth is installed with drive gear meshing, connecting rod and drive gear with axle center fixed mounting, the upper end of connecting rod is provided with connects female, the lower extreme of connecting rod is provided with the connector, the connector of the connecting rod of upper segment and the female cooperation contact of being connected of lower segment, the drive gear removal of lower segment of upper segment connecting rod drive makes the chucking dish rotate.
5. The quantitative water-blending gathering and transportation process combined wellhead device as claimed in claim 1, wherein: the drill bit device comprises a drill bit outer frame, a sliding rail, a sliding plate, an outer end water outlet, a moving rod, an anti-blocking turntable and an inner water outlet, wherein the sliding rail is arranged on the outer wall of the drill bit outer frame, a sliding groove is formed in the outer wall of the drill bit outer frame and is located below the sliding rail, the first end of the moving rod is fixedly connected with the sliding plate, the inner side of a circular arc of the sliding plate is attached to the outer wall of the drill bit outer frame, the sliding plate is slidably mounted on the sliding groove formed in the drill bit outer frame through the moving rod, the second end of the moving rod is fixedly connected with the circle center of the anti-blocking turntable, the lower end of the anti-blocking turntable is provided with the inner water outlet, and the inner water outlet corresponds to the outer end water outlet formed in the drill bit outer frame in a one-to one mode.
6. The quantitative water-blending gathering and transportation process combined wellhead device as claimed in claim 1, wherein: the inside of well head mechanism and combination festival be provided with circular through-hole, the lower extreme of the inside through-hole of combination festival and the circular port butt joint that the drill bit device middle set up, rivers flow into down in the circular through-hole of drill bit device middle setting from the circular through-hole of well head mechanism and combination festival in.
CN202110823146.6A 2021-07-21 2021-07-21 Combined wellhead device for quantitative water-blending gathering and transportation process Withdrawn CN113445928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110823146.6A CN113445928A (en) 2021-07-21 2021-07-21 Combined wellhead device for quantitative water-blending gathering and transportation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110823146.6A CN113445928A (en) 2021-07-21 2021-07-21 Combined wellhead device for quantitative water-blending gathering and transportation process

Publications (1)

Publication Number Publication Date
CN113445928A true CN113445928A (en) 2021-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110823146.6A Withdrawn CN113445928A (en) 2021-07-21 2021-07-21 Combined wellhead device for quantitative water-blending gathering and transportation process

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114235265A (en) * 2022-02-23 2022-03-25 东营鼎洪石油技术开发有限公司 Oil field is with oil pressure seat that can install manometer fast

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114235265A (en) * 2022-02-23 2022-03-25 东营鼎洪石油技术开发有限公司 Oil field is with oil pressure seat that can install manometer fast
CN114235265B (en) * 2022-02-23 2022-04-29 东营鼎洪石油技术开发有限公司 Oil field is with oil pressure seat that can install manometer fast

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