CN114753789A - Installation device with anti-eccentricity function for oil field Christmas tree - Google Patents
Installation device with anti-eccentricity function for oil field Christmas tree Download PDFInfo
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- CN114753789A CN114753789A CN202210585431.3A CN202210585431A CN114753789A CN 114753789 A CN114753789 A CN 114753789A CN 202210585431 A CN202210585431 A CN 202210585431A CN 114753789 A CN114753789 A CN 114753789A
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- 241000191291 Abies alba Species 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 title claims abstract description 18
- 235000004507 Abies alba Nutrition 0.000 claims abstract description 28
- 239000012535 impurity Substances 0.000 claims abstract description 14
- 210000002445 nipple Anatomy 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 238000004140 cleaning Methods 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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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
- E21B33/03—Well heads; Setting-up thereof
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
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Abstract
The invention relates to the field of oil field Christmas trees, in particular to a mounting device with an anti-eccentricity function for an oil field Christmas tree. The technical problem is that: the flange is nearer from ground in the installation, also can't exert the horizontal force to the power application pole all the time even artifical squatting to make the short section sleeve pipe eccentric phenomenon appear after the installation is accomplished, lead to short section sleeve pipe screw thread to damage. A mounting device with an anti-eccentricity function for an oil field Christmas tree comprises a side plate, a screwing assembly and the like; the middle part of the side plate is provided with a screwing assembly. Realized during the use exerting even horizontal force to the flange automatically in the in-process of screwing, prevent that the eccentric phenomenon from appearing in the nipple joint sleeve pipe, and then avoided the problem that nipple joint sleeve pipe screw thread damaged, solved twelve bolt holes of flange and be difficult to align the problem of twelve fixed columns simultaneously, avoid appearing the flange jack-up phenomenon, automatic nipple joint sleeve pipe thread groove clears up simultaneously, avoids remaining impurity to influence the process of screwing to the impurity that has prevented to clear off falls to in the well head sleeve pipe.
Description
Technical Field
The invention relates to the field of oil field Christmas trees, in particular to a mounting device with an anti-eccentricity function for an oil field Christmas tree.
Background
A christmas tree is an assembly located at the opening to the top end of a well, including valves for measurement and maintenance, safety systems, and a series of monitoring instruments. The christmas tree connects production tubing and production tubing from downhole while acting as an important barrier to isolate the top of the well from the external environment. It includes a number of valves that can be used to regulate or prevent the flooding of the produced crude oil vapors, natural gas and liquids from the well. The christmas tree is connected to the production manifold system by a subsea pipeline.
In the prior art, the Christmas tree is composed of a short section sleeve, a flange, a steel ring and a Christmas tree body, when the Christmas tree body is installed on a wellhead sleeve, the flange is required to be screwed on the upper part of the short section sleeve, then the lower part of the short section sleeve is screwed on the wellhead sleeve, then the steel ring is placed in a groove on the upper side of the flange, and then the Christmas tree body is installed on the flange through twelve bolts, at present, equipment special for installing the Christmas tree is not available, three to four workers are usually required to cooperate to complete installation work, a large amount of manpower resources are consumed, the efficiency is low, meanwhile, when the short section sleeve is screwed on the wellhead sleeve manually, one end of a long reinforcing rod is required to be fixed on the flange, then the other end of the reinforcing rod is manually pushed to move, so that the flange drives the short section sleeve to rotate, the short section sleeve is further stabilized on the wellhead sleeve, and the flange is closer to the ground in the installation process, even the artifical horizontal force that also can't exert to the stress application pole all the time of squatting to the eccentric phenomenon appears in the nipple joint sleeve pipe after making the installation accomplish, leads to nipple joint sleeve pipe screw thread to damage.
Therefore, it is necessary to design a mounting device with an anti-eccentric function for a Christmas tree in an oil field.
Disclosure of Invention
The invention provides an installation device with an anti-eccentricity function for an oil field Christmas tree, which aims to overcome the defects that a flange is close to the ground in the installation process, and even if a worker squats down, the horizontal force cannot be always applied to a stress application rod, so that the short section sleeve after the installation is eccentric, and the thread of the short section sleeve is damaged.
The technical scheme is as follows: a mounting device with an anti-eccentric function for an oil field Christmas tree comprises a bottom plate, a side plate, balancing weights, an anti-eccentric component, a screwing component, a positioning component, a fixing component, a cleaning component and a linkage component, wherein the side plate is fixedly connected to the inner side of the bottom plate, a plurality of balancing weights are inserted into the left part of the upper side and the right part of the upper side of the bottom plate, the middle part of the side plate is provided with the screwing component for horizontally screwing a flange and a short section sleeve on a well head sleeve, the upper side of the screwing component is provided with the anti-eccentric component for preventing the flange from jacking, the left part of the upper side of the screwing component is provided with the positioning component for assisting manpower to quickly position the flange, the positioning component is positioned above the anti-eccentric component, the rear side of the inner wall of the side plate is provided with the fixing component for fixing the short section sleeve, the lower side of the side plate is provided with the cleaning component for cleaning impurities in a short section sleeve thread groove, and the cleaning component is positioned below the fixing component, the linkage assembly used for pushing the cleaning assembly to move is installed on the right side of the cleaning assembly, and the linkage assembly is connected with the tightening assembly.
The deviation-preventing assembly comprises a first support frame, a first motor, a first straight gear, a first linkage ring, a first gear ring, a first linkage block, a deflector rod, a first L-shaped block, a second L-shaped block, a third L-shaped block, a first limiting rod, a first spring, a first limiting plate and a second spring, wherein the front part of the upper side of the tightening assembly is provided with the first support frame, the upper side of the first support frame is fixedly connected with the first motor, the output end of the first motor is fixedly connected with the first straight gear, the middle part of the upper side of the tightening assembly is rotatably connected with the first linkage ring, the upper part of the outer side of the first linkage ring is fixedly connected with the first gear ring, the inner side of the first linkage ring is fixedly connected with twelve first linkage blocks in a circular array manner, the lower part of the outer side of the first linkage ring is fixedly connected with four deflector rods in a circular array manner, the four first L-shaped blocks are all positioned at the outer side of the first linkage ring, the upper side of the tightening assembly is fixedly connected with four deflector rods in a circular array manner, and the four second L-shaped blocks are positioned at the outer sides of the four first L-shaped blocks, four third L-shaped blocks are fixedly connected with the upper side of the tightening component in a circular array, the four third L-shaped blocks and the four second L-shaped blocks are positioned on the same circular track, a first limiting rod is fixedly connected between each corresponding second L-shaped block and the third L-shaped block, the four first L-shaped blocks are respectively connected with the four first limiting rods in a sliding manner, the four first limiting rods are respectively sleeved with a first spring, one end of the first spring is fixedly connected with the third L-shaped block, the other end of the first spring is fixedly connected with the first L-shaped block, twelve first limit plates are arranged on the upper side of the tightening component in a circular array, and twelve first limiting plates all are located first linkage ring inboard, and every first limiting plate centrifugation end equal rigid coupling has two second springs, and twenty-four second springs are all connected with the subassembly of screwing up to the centripetal end.
The further technical proposal is that the tightening component comprises a first connecting block, a second connecting block, a screw rod, a second motor, a second coupling ring, a third coupling ring, a spacing cylinder, a fixed screw, a supporting plate, a fixed nut, a fixed column and a second coupling block, wherein the upper side of the inner wall of the side plate is fixedly connected with two first connecting blocks, the lower side of the inner wall of the side plate is fixedly connected with two second connecting blocks, a screw rod is rotatably connected between each corresponding first connecting block and the second connecting block, the upper sides of the two first connecting blocks are fixedly connected with a second motor, the output ends of the two second motors are respectively fixedly connected with the two screw rods, the two screw rods are respectively and rotatably connected with a second coupling block, the second coupling ring is fixedly connected between the two second coupling blocks, the inner side of the second coupling ring is rotatably connected with the third coupling ring, the middle part of the upper side of the third coupling ring is fixedly connected with the spacing cylinder, and the lower side of the spacing cylinder is provided with four fixed screw rods, all pegging graft between per two corresponding clamping screw has a backup pad, four clamping screw downside all connect a fixation nut soon, and fixation nut contacts with the backup pad, two backup pads all contact with third link, the equal rigid coupling of two backup pad upsides has six fixed columns, anterior and the first support frame rigid coupling of second link upside, second link upside and four second L-shaped pieces and four third L-shaped piece rigid couplings, third link upside and four first L-shaped piece rigid couplings, third link middle part rotates with first link and is connected, spacing section of thick bamboo middle part and twelve first limiting plate sliding connection, spacing section of thick bamboo outside middle part and twenty-four second spring rigid couplings, spacing section of thick bamboo is connected with locating component.
In a further technical scheme, twelve fixing columns are arranged in a circular array.
According to the technical scheme, the positioning assembly comprises a third connecting block, a torsion rotating shaft, a third connecting block, a second limiting rod and a third spring, the third connecting block is fixedly connected to the left portion of the outer side of the limiting cylinder, the torsion rotating shaft is installed on the upper side of the third connecting block, the third connecting block is fixedly connected to the middle of the torsion rotating shaft, the second limiting rod is slidably connected to the right side of the third connecting block, the third spring is sleeved on the upper side of the second limiting rod, the upper end of the third spring is fixedly connected with the second limiting rod, and the lower end of the third spring is fixedly connected with the third connecting block.
Further technical scheme, fixed subassembly is including second support frame, the flexible cylinder of third, slider and electronic anchor clamps, and the rigid coupling of curb plate inner wall rear side has the second support frame, and the flexible cylinder of third is installed to the curb plate inner wall rear side to the flexible cylinder of third is located second support frame top, and the flexible end rigid coupling of the flexible cylinder of third has the slider, slider and second support frame sliding connection, and electronic anchor clamps are installed to the slider front side.
The further technical proposal is that the cleaning component comprises a first round bar, a linkage plate, a linkage rod, a fourth spring, a baffle plate, an L-shaped plate, a fourth linkage ring, a second toothed ring, a third motor, a second straight gear, a connecting frame, a first telescopic cylinder and a second round bar, the left part of the front side of the side plate is fixedly connected with the first round bar, the linkage plate is connected with the first round bar in a rotating way, the right side of the linkage plate is connected with the linkage rod in a sliding way, the upper end of the linkage rod is fixedly connected with the fourth spring, the lower end of the fourth spring is fixedly connected with the linkage plate, the lower end of the linkage rod is fixedly connected with the baffle plate, the left part of the upper side and the right part of the upper side of the baffle plate are fixedly connected with the L-shaped plate, the fourth linkage ring is connected between the two L-shaped plates in a sliding way, the lower part of the outer side of the fourth linkage ring is fixedly connected with the second toothed ring, the front part of the upper side of the baffle plate is provided with the third motor, the output end of the third motor is fixedly connected with the second straight gear, the second straight gear is meshed with the second toothed ring, the lower portion of the left side of the side plate is fixedly connected with a connecting frame, the front side of the connecting frame is rotatably connected with a first telescopic cylinder, the left portion of the upper side of the linkage plate is fixedly connected with a second round rod, a telescopic end of the first telescopic cylinder is rotatably connected with the second round rod, and an L-shaped plate located on the right side is connected with the linkage assembly.
According to a further technical scheme, a circle of bristles is arranged on the inner side wall of the fourth linkage ring.
Further technical scheme, the linkage subassembly is including linkage frame, second limiting plate and fourth L shape piece, and second linkage ring downside right part rigid coupling has the linkage frame, and linkage frame downside rigid coupling has the second limiting plate, and the L shape piece right side upper portion rigid coupling that is located the right side has the fourth L shape piece.
Further technical scheme, still including the adjustment subassembly, the adjustment subassembly is installed to the bottom plate upside, the adjustment subassembly is including the flexible cylinder of second, the arc, the fourth connecting block, distance sensor and electric wheel, the bottom plate upside is circular array rigid coupling has the flexible cylinder of three second, the flexible end rigid coupling of the flexible cylinder of three second has the arc, the inboard rigid coupling of arc has four fourth connecting blocks, a distance sensor is all installed to four fourth connecting blocks side in opposite directions, arc downside rigid coupling has four electric wheel.
According to the technical scheme, two through holes are formed in the lower side of the bottom plate close to the positions of the two distance sensors located behind the bottom plate.
Compared with the prior art, the invention has the following advantages: when in use, the flange and the short section sleeve are installed on the wellhead sleeve in a matching way, thereby greatly saving the manpower resource, improving the efficiency, and automatically applies uniform horizontal force to the flange in the screwing process, thereby preventing the short section sleeve from generating eccentricity, thereby avoiding the problem of the damage of the short section sleeve thread, simultaneously matching with manpower to quickly position the flange, solving the problem that twelve bolt holes of the flange are difficult to align twelve fixing columns simultaneously, meanwhile, the flange is automatically limited and fixed in the screwing process, the flange jacking phenomenon is avoided, impurities remained in the threaded groove of the short section sleeve are automatically cleaned, the screwing process is prevented from being influenced by the remained impurities, and prevented that the impurity of cleaing away from falling to the well head sleeve pipe in, still realized the automatic alignment position and finely tuned, made flange, nipple joint sleeve pipe and well head sleeve pipe align completely, avoided appearing the problem of installation failure.
Drawings
FIG. 1 is a first schematic construction of the present invention;
FIG. 2 is a second schematic construction of the present invention;
FIG. 3 is a schematic view of the construction of the tightening assembly of the present invention;
FIG. 4 is a cross-sectional view of the tightening assembly of the present invention;
FIG. 5 is a schematic view of the anti-deflection assembly of the present invention;
FIG. 6 is a schematic view of the positioning assembly of the present invention;
FIG. 7 is a schematic view of the construction of the fixing assembly of the present invention;
FIG. 8 is a schematic view of the cleaning assembly of the present invention;
FIG. 9 is an enlarged view of the invention at A;
FIG. 10 is a schematic structural view of the linkage assembly of the present invention;
FIG. 11 is a schematic view of a first construction of the adjustment assembly of the present invention;
FIG. 12 is a second construction of the adjustment assembly of the present invention.
Wherein the figures include the following reference numerals: 1-a bottom plate, 2-a side plate, 3-a balancing weight, 201-a first support frame, 202-a first motor, 203-a first straight gear, 204-a first linkage ring, 205-a first gear ring, 206-a first linkage block, 207-a deflector rod, 208-a first L-shaped block, 209-a second L-shaped block, 2010-a third L-shaped block, 2011-a first limiting rod, 2012-a first spring, 2013-a first limiting plate, 2014-a second spring, 301-a first connecting block, 302-a second connecting block, 303-a screw rod, 304-a second motor, 305-a second linkage ring, 306-a third linkage ring, 307-a limiting barrel, 308-a fixed screw rod, 309-a support plate, 3010-a fixed nut, 3011-a fixed column, 3012-a second linkage block, 401-a third connecting block, 402-a torsion rotating shaft, 403-a third link block, 404-a second limiting rod, 405-a third spring, 501-a second support frame, 502-a third telescopic cylinder, 503-a sliding block, 504-an electric clamp, 601-a first round rod, 602-a linkage plate, 603-a linkage rod, 604-a fourth spring, 605-a baffle plate, 606-an L-shaped plate, 607-a fourth linkage ring, 608-a second toothed ring, 609-a third motor, 6010-a second straight gear, 6011-a connecting frame, 6012-a first telescopic cylinder, 6013-a second round rod, 701-a linkage frame, 702-a second limiting plate, 703-a fourth L-shaped block, 801-a second telescopic cylinder, 802-an arc-shaped plate, 803-a fourth connecting block, 804-distance sensor, 805-electric vehicle wheel.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1
An installation device with an anti-eccentricity function for an oil field Christmas tree is shown in figures 1-10 and comprises a bottom plate 1, a side plate 2, a balancing weight 3, an anti-eccentricity assembly, a screwing assembly, a positioning assembly, a fixing assembly, a cleaning assembly and a linkage assembly; the inner side of the bottom plate 1 is welded with a side plate 2; a plurality of balancing weights 3 are inserted into the left part and the right part of the upper side of the bottom plate 1; the middle part of the side plate 2 is provided with a tightening assembly; the upper side of the screwing component is provided with an anti-deviation component; the left part of the upper side of the screwing component is provided with a positioning component, and the positioning component is positioned above the deviation preventing component; a fixing component is arranged on the rear side of the inner wall of the side plate 2; a cleaning assembly is arranged on the lower side of the side plate 2 and is positioned below the fixing assembly; the linkage subassembly is installed to clearance subassembly right side, and the linkage subassembly is connected with tightening the subassembly.
The deviation preventing assembly comprises a first support frame 201, a first motor 202, a first straight gear 203, a first linkage ring 204, a first toothed ring 205, a first linkage block 206, a shifting rod 207, a first L-shaped block 208, a second L-shaped block 209, a third L-shaped block 2010, a first limiting rod 2011, a first spring 2012, a first limiting plate 2013 and a second spring 2014; the front part of the upper side of the tightening component is provided with a first support frame 201; a first motor 202 is fixedly connected to the upper side of the first support frame 201; the output end of the first motor 202 is fixedly connected with a first straight gear 203; the middle part of the upper side of the tightening component is rotatably connected with a first linkage ring 204; a first toothed ring 205 is welded at the upper part of the outer side of the first linkage ring 204; twelve first linkage blocks 206 are welded on the inner side of the first linkage ring 204 in a circular array; the lower part of the outer side of the first linkage ring 204 is welded with four shift levers 207 in a circular array; four first L-shaped blocks 208 are welded on the upper side of the tightening assembly in a circular array mode, and the four first L-shaped blocks 208 are located on the outer side of the first linkage ring 204; four second L-shaped blocks 209 are welded on the upper side of the tightening assembly in a circular array mode, and the four second L-shaped blocks 209 are located on the outer sides of the four first L-shaped blocks 208; four third L-shaped blocks 2010 are welded on the upper side of the tightening assembly in a circular array mode, and the four third L-shaped blocks 2010 and the four second L-shaped blocks 209 are located on the same circular track; a first limiting rod 2011 is welded between each corresponding second L-shaped block 209 and the corresponding third L-shaped block 2010; the four first L-shaped blocks 208 are respectively connected with the four first limit rods 2011 in a sliding manner; a first spring 2012 is sleeved on each of the four first limiting rods 2011, one end of each first spring 2012 is welded with the third L-shaped block 2010, and the other end of each first spring 2012 is welded with the first L-shaped block 208; twelve first limiting plates 2013 are arranged on the upper side of the tightening assembly in a circular array, and the twelve first limiting plates 2013 are located on the inner side of the first linkage ring 204; two second springs 2014 are welded at the centrifugal end of each first limiting plate 2013; the centripetal ends of the twenty-four second springs 2014 are all connected with a tightening assembly.
The tightening assembly comprises a first connecting block 301, a second connecting block 302, a screw rod 303, a second motor 304, a second linkage ring 305, a third linkage ring 306, a limiting cylinder 307, a fixing screw 308, a supporting plate 309, a fixing nut 3010, a fixing column 3011 and a second linkage block 3012; two first connecting blocks 301 are welded on the upper side of the inner wall of the side plate 2; two second connecting blocks 302 are welded on the lower side of the inner wall of the side plate 2; a screw rod 303 is rotatably connected between each corresponding first connecting block 301 and each corresponding second connecting block 302; the upper sides of the two first connecting blocks 301 are fixedly connected with a second motor 304; the output ends of the two second motors 304 are fixedly connected with the two screw rods 303 respectively; a second linkage block 3012 is screwed on each of the two screw rods 303; a second linkage ring 305 is welded between the two second linkage blocks 3012; a third coupling ring 306 is rotatably connected to the inner side of the second coupling ring 305; a limiting cylinder 307 is welded in the middle of the upper side of the third linkage ring 306; four fixing screws 308 are welded on the lower side of the limiting cylinder 307; a supporting plate 309 is inserted between every two corresponding fixing screws 308; the lower sides of the four fixing screws 308 are respectively screwed with a fixing nut 3010, and the fixing nuts 3010 are in contact with the supporting plate 309; both support plates 309 are in contact with the third coupling ring 306; six fixing columns 3011 are welded on the upper sides of the two supporting plates 309; the front part of the upper side of the second linkage ring 305 is connected with the first support frame 201 through bolts; the upper side of the second link ring 305 is welded with four second L-shaped blocks 209 and four third L-shaped blocks 2010; the upper side of the third linkage ring 306 is welded with four first L-shaped blocks 208; the middle part of the third linkage ring 306 is rotationally connected with the first linkage ring 204; the middle part of the limiting cylinder 307 is in sliding connection with twelve first limiting plates 2013; the middle part of the outer side of the limiting cylinder 307 is welded with twenty-four second springs 2014; the limiting cylinder 307 is connected with the positioning component; twelve fixing posts 3011 are arranged in a circular array.
The positioning component comprises a third connecting block 401, a torsion rotating shaft 402, a third connecting block 403, a second limiting rod 404 and a third spring 405; a third connecting block 401 is welded at the left part of the outer side of the limiting cylinder 307; a torsion rotating shaft 402 is installed on the upper side of the third connecting block 401; a third link block 403 is fixedly connected to the middle of the torsion shaft 402; a second limiting rod 404 is connected to the right side of the third linkage block 403 in a sliding manner; a third spring 405 is sleeved on the upper side of the second limiting rod 404; the upper end of the third spring 405 is welded with the second limiting rod 404; the lower end of the third spring 405 is welded to the third coupling block 403.
The fixing component comprises a second supporting frame 501, a third telescopic cylinder 502, a sliding block 503 and an electric clamp 504; a second support frame 501 is welded on the rear side of the inner wall of the side plate 2; a third telescopic cylinder 502 is arranged on the rear side of the inner wall of the side plate 2, and the third telescopic cylinder 502 is positioned above the second support frame 501; the telescopic end of the third telescopic cylinder 502 is fixedly connected with a sliding block 503; the sliding block 503 is connected with the second support frame 501 in a sliding manner; an electric jig 504 is attached to the front side of the slider 503.
The cleaning assembly comprises a first round rod 601, a linkage plate 602, a linkage rod 603, a fourth spring 604, a shielding plate 605, an L-shaped plate 606, a fourth linkage ring 607, a second gear ring 608, a third motor 609, a second spur gear 6010, a connecting frame 6011, a first telescopic cylinder 6012 and a second round rod 6013; a first round bar 601 is welded at the left part of the front side of the side plate 2; the first round bar 601 is rotatably connected with a linkage plate 602; the right side of the linkage plate 602 is connected with a linkage rod 603 in a sliding manner; a fourth spring 604 is welded at the upper end of the linkage rod 603; the lower end of the fourth spring 604 is welded with the linkage plate 602; a shielding plate 605 is welded at the lower end of the linkage rod 603; an L-shaped plate 606 is welded to the left part and the right part of the upper side of the shielding plate 605; a fourth link ring 607 is connected between the two L-shaped plates 606 in a sliding manner; a second gear ring 608 is fixedly connected to the lower part of the outer side of the fourth linkage ring 607; the front part of the upper side of the shielding plate 605 is provided with a third motor 609; the output end of the third motor 609 is fixedly connected with a second straight gear 6010; the second spur gear 6010 meshes with the second ring gear 608; a connecting frame 6011 is welded at the lower part of the left side of the side plate 2; a first telescopic cylinder 6012 is rotatably connected to the front side of the connecting frame 6011; a second round bar 6013 is welded at the left part of the upper side of the linkage plate 602; the telescopic end of the first telescopic cylinder 6012 is rotatably connected with a second round rod 6013; the L-shaped plate 606 on the right is connected to the linkage assembly; a circle of bristles is arranged on the inner side wall of the fourth linkage ring 607.
The linkage assembly comprises a linkage frame 701, a second limiting plate 702 and a fourth L-shaped block 703; a linkage frame 701 is welded at the right part of the lower side of the second linkage ring 305; a second limiting plate 702 is welded on the lower side of the linkage frame 701; a fourth L-shaped block 703 is welded to the upper portion of the right side of the right L-shaped plate 606.
When the device is ready to work, the device is placed right above a wellhead casing to be installed, the axis of a limiting cylinder 307 is overlapped with the axis of the wellhead casing, a power supply is switched on, a third linkage block 403 is manually pulled to turn upwards, a second limiting rod 404 is far away from the upper part of the limiting cylinder 307, then a flange is manually placed into the limiting cylinder 307, the outer ring surface of the flange is just attached to the inner wall of the limiting cylinder 307, the flange is positioned above twelve fixing columns 3011, then the third linkage block 403 is manually stopped to be pulled to move, the torsion rotating shaft 402 drives the third linkage block 403 to turn downwards, the lower end of the second limiting rod 404 is enabled to be in contact with the upper side of the flange, the second limiting rod 404 stretches a third spring 405, then the flange is manually turned to rotate, when bolt holes of the flange are aligned with the second limiting rod 404, the torsion rotating shaft 402 drives the third linkage block 403 to turn downwards to return to the original position, the third spring 405 drives the second limiting rod 404 to return to the original position, therefore, the lower end of the second limiting rod 404 is inserted into the flange bolt hole, the second limiting rod 404 is aligned with the fixing column 3011 on the left side, namely the flange bolt hole is close to and aligned with the fixing column 3011, then the flange is manually and continuously shifted to move, when pause and stop feeling occurs, the flange bolt hole is aligned with the fixing column 3011, then the flange is manually pushed to move downwards, the flange is sleeved on twelve fixing columns 3011, the lower side of the flange is contacted with the two supporting plates 309, the flange is rapidly positioned, the problem that twelve bolt holes of the flange are difficult to align with twelve fixing columns 3011 simultaneously is solved, then the electric clamp 504 is opened, a short section sleeve is manually placed into the inner side of the electric clamp 504, then the electric clamp 504 clamps the middle part of the short section sleeve, at the moment, the axis of the short section sleeve is coincident with the axis of the flange, namely the axis of the short section sleeve, the axis of the flange and the axis of a wellhead sleeve are coincident, the first motor 202 is started, the first motor 202 drives the first straight gear 203 to rotate, the first straight gear 203 drives the first toothed ring 205 to rotate, the first toothed ring 205 drives the first linkage ring 204 to rotate, the first linkage ring 204 drives the twelve first linkage blocks 206 to perform circular motion, so that the first linkage blocks 206 contact the first limit plate 2013, the first linkage blocks 206 continue to perform circular motion to push the first limit plate 2013 to perform centripetal motion, and compress the second springs 2014, so that the twelve first limit plates 2013 perform centripetal motion, at the same time, the lower sides of the centripetal ends of the twelve first limit plates 2013 simultaneously contact with the upper side of the flange, namely, the flange is fixed on the fixed columns 3011, the four shift levers 207 respectively contact the four first L-shaped blocks 208, the shift levers 207 perform circular motion to push the first L-shaped blocks 208 to move, the first L-shaped blocks 2011 slide on the first limit levers 2011, and compress the first springs 2012, thereby, the four first L-shaped blocks 208 simultaneously drive the third linkage ring 306 to rotate, the third linkage ring 306 drives the limiting cylinder 307 to rotate, the limiting cylinder 307 drives the twelve first limiting plates 2013 to make circular motion, so that the twelve first limiting plates 2013 and the twelve first linkage blocks 206 synchronously make circular motion, further the first linkage blocks 206 always extrude the first limiting plates 2013, further the twelve first limiting plates 2013 are always in centripetal positions to fix the flange, meanwhile, the third linkage ring 306 drives the four fixing screws 308 to make circular motion, the four fixing screws 308 drive the two supporting plates 309 to move, the two supporting plates 309 drive the twelve fixing posts 3011 to make circular motion, so that the twelve fixing posts 3011 simultaneously drive the flange to rotate, the two second motors 304 are started, the two second motors 304 respectively drive the two screw rods 303 to rotate, the two screw rods 303 respectively drive the two second linkage blocks 3012 to rotate, the two second linkage blocks 3012 simultaneously drive the second linkage ring 305 to move downwards, the second linkage ring 305 drives the parts associated with the second linkage ring 305 to move downwards, so that the flange moves downwards, namely the flange moves downwards and rotates simultaneously, meanwhile, the third motor 609 is started, the third motor 609 drives the second spur gear 6010 to rotate, the second spur gear 6010 drives the second toothed ring 608 to rotate, the second toothed ring 608 drives the fourth linkage ring 607 to rotate, the fourth linkage ring 607 rotates on the two L-shaped plates 606, so that the brushes on the inner side wall of the fourth linkage ring 607 clean impurities in the thread groove on the lower side of the nipple sleeve, the nipple sleeve is prevented from being influenced by the impurities and screwed into the wellhead sleeve, the cleaned impurities fall to the upper side of the shielding plate 605, then fall to the ground from the conical inclined surface of the shielding plate 605, the cleaned impurities are prevented from falling into the wellhead sleeve, the third motor 609 is closed, the second link ring 305 continues to move downwards, the second link ring 305 drives the link frame 701 to move downwards, the link frame 701 drives the second limiting plate 702 to move downwards to contact with the fourth L-shaped block 703, the second limiting plate 702 continues to push the fourth L-shaped block 703 downwards to move, so that the fourth L-shaped block 703 drives the L-shaped block 606 located on the right side to move downwards, the L-shaped block 606 drives the baffle 605 to move downwards, the baffle 605 drives the link rod 603 to slide downwards on the link plate 602 and compresses the fourth spring 604, so that the two L-shaped blocks 606 simultaneously drive the fourth link ring 607 to move downwards to be away from the pipe nipple sleeve, then the first telescopic cylinder 6012 performs contraction movement, the first telescopic cylinder 6012 pulls the second round rod 6013 to move backwards, so that the second round rod 6013 pulls the left end of the link plate 602 to move backwards, so that the link plate 602 swings around the first round rod 601, and the link plate 602 drives the part associated with the link plate to move to the left side plate 2 in front, the shielding plate 605 is far away from the upper part of the wellhead casing, in the process, the fourth L-shaped block 703 slides on the lower side of the second limiting plate 702, after the fourth L-shaped block 703 is far away from the second limiting plate 702, the fourth spring 604 drives the linkage rod 603 to move upwards and return to the original position, the linkage rod 603 drives the parts associated with the linkage rod to move upwards and return to the original position, the second linkage ring 305 continues to move downwards, so that the flange is screwed into the upper part of the short section casing, in the process, twelve first limiting plates 2013 limit the upper side of the flange to avoid the flange jacking phenomenon, then the electric clamp 504 automatically opens to stop fixing the short section casing, then the third telescopic cylinder 502 pushes the sliding block 503 to slide downwards on the second supporting frame 501, the sliding block 503 drives the electric clamp 504 to move downwards, the second linkage ring 305 continues to move downwards, so that the flange drives the casing to move downwards, and the flange drives the short section casing to rotate, further, the short section sleeve is screwed into a wellhead sleeve by the flange, uniform horizontal force is applied to the flange by twelve fixing columns 3011 in the process, the short section sleeve is prevented from being eccentric, and further the problem of short section sleeve thread damage is solved, the first motor 202 is turned off, four fixing nuts 3010 are manually unscrewed, then two support plates 309 are taken out downwards, the twelve fixing columns 3011 are driven by the two support plates 309 to be far away from the flange, then the two second motors 304 respectively drive the two screw rods 303 to rotate reversely, so that the second linkage ring 305 drives parts associated with the second linkage ring 305 to move upwards to the original position, the two second motors 304 are turned off, then the support plates 309 are installed to the original position, when in use, the flange and the short section sleeve are installed on the wellhead sleeve in a matching mode, manpower resources are greatly saved, the efficiency is improved, and uniform horizontal force is automatically applied to the flange in the screwing process, prevent that the eccentric phenomenon from appearing in the nipple joint sleeve pipe, and then avoided the problem that nipple joint sleeve pipe screw thread damaged, cooperate the manual work simultaneously and fix a position the flange fast, the problem that twelve bolt holes of flange are difficult to align twelve fixed columns 3011 simultaneously has been solved, simultaneously in the in-process of screwing automatic spacing fixed to the flange, avoid appearing the flange jack-up phenomenon, simultaneously automatic will remain the impurity clean up in nipple joint sleeve pipe thread groove, avoid remaining impurity influence process of screwing, and prevented that the impurity of cleaing away from falling to the well head sleeve pipe in.
Example 2
On the basis of embodiment 1, as shown in fig. 1 and fig. 11 to 12, the device further comprises an adjusting assembly, wherein the adjusting assembly is installed on the upper side of the bottom plate 1, and comprises a second telescopic cylinder 801, an arc plate 802, a fourth connecting block 803, a distance sensor 804 and an electric wheel 805; three second telescopic cylinders 801 are fixedly connected to the upper side of the base plate 1 in a circular array; the telescopic ends of the three second telescopic cylinders 801 are fixedly connected with arc-shaped plates 802; the inner side of the arc plate 802 is welded with four fourth connecting blocks 803; a distance sensor 804 is arranged on each of the opposite sides of the four fourth connecting blocks 803; four motored wheels 805 are bolted to the underside of the arcuate plate 802.
When the device is placed right above a wellhead casing to be installed, the problem that the axis of a limiting cylinder 307 is not overlapped with the axis of the wellhead casing can occur, so that a flange and a short section casing cannot be aligned with the wellhead casing, and the installation failure is directly caused, three second telescopic cylinders 801 simultaneously drive an arc-shaped plate 802 to move downwards, the arc-shaped plate 802 drives four electric wheels 805 to move downwards, so that the four electric wheels 805 move downwards to contact the ground to jack up a bottom plate 1, then four distance sensors 804 simultaneously detect the distance to the wellhead casing, so as to detect the offset distance, then the four electric wheels 805 simultaneously drive the arc-shaped plate 802 to move, the arc-shaped plate 802 drives the three second telescopic cylinders 801 to move, the three second telescopic cylinders 801 simultaneously drive the bottom plate 1 to move, so as to drive the device to move, and further enable the axis of the limiting cylinder 307 to be overlapped with the axis of the wellhead casing, then three flexible cylinder 801 of second drives arc 802 upward movement simultaneously, makes bottom plate 1 contact ground again, has realized automatic finely tuning the position during the use, makes flange, nipple joint sleeve pipe and well head sleeve pipe align completely, avoids appearing the problem of installation failure.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the claims appended to the present application.
Claims (10)
1. A mounting device with an anti-eccentricity function for an oil field Christmas tree comprises a bottom plate (1), a side plate (2) and a balancing weight (3); a side plate (2) is fixedly connected with the inner side of the bottom plate (1); a plurality of balancing weights (3) are inserted into the left part and the right part of the upper side of the bottom plate (1); the device is characterized by also comprising an anti-deviation component, a screwing component, a positioning component, a fixing component, a cleaning component and a linkage component; a screwing component for horizontally screwing the flange and the nipple casing pipe on the wellhead casing pipe is arranged in the middle of the side plate (2); an anti-deviation component for preventing the flange from jacking is arranged on the upper side of the tightening component; a positioning component for assisting manual quick positioning of the flange is arranged at the left part of the upper side of the screwing component, and the positioning component is positioned above the deviation preventing component; a fixing component for fixing the short section sleeve is arranged on the rear side of the inner wall of the side plate (2); a cleaning assembly used for cleaning impurities in a threaded groove of a short section sleeve is mounted on the lower side of the side plate (2), and the cleaning assembly is positioned below the fixing assembly; a linkage assembly for pushing the cleaning assembly to move is arranged on the right side of the cleaning assembly and is connected with the tightening assembly;
The deviation preventing assembly comprises a first support frame (201), a first motor (202), a first straight gear (203), a first linkage ring (204), a first gear ring (205), a first linkage block (206), a shifting rod (207), a first L-shaped block (208), a second L-shaped block (209), a third L-shaped block (2010), a first limiting rod (2011), a first spring (2012), a first limiting plate (2013) and a second spring (2014); a first support frame (201) is arranged at the front part of the upper side of the tightening component; a first motor (202) is fixedly connected to the upper side of the first support frame (201); the output end of the first motor (202) is fixedly connected with a first straight gear (203); the middle part of the upper side of the tightening component is rotationally connected with a first linkage ring (204); a first toothed ring (205) is fixedly connected to the upper part of the outer side of the first linkage ring (204); twelve first linkage blocks (206) are fixedly connected to the inner side of the first linkage ring (204) in a circular array; the lower part of the outer side of the first linkage ring (204) is fixedly connected with four deflector rods (207) in a circular array; four first L-shaped blocks (208) are fixedly connected to the upper side of the tightening assembly in a circular array, and the four first L-shaped blocks (208) are all positioned on the outer side of the first linkage ring (204); four second L-shaped blocks (209) are fixedly connected to the upper side of the tightening component in a circular array, and the four second L-shaped blocks (209) are positioned on the outer sides of the four first L-shaped blocks (208); four third L-shaped blocks (2010) are fixedly connected to the upper side of the tightening assembly in a circular array, and the four third L-shaped blocks (2010) and the four second L-shaped blocks (209) are positioned on the same circular track; a first limiting rod (2011) is fixedly connected between each corresponding second L-shaped block (209) and the corresponding third L-shaped block (2010); the four first L-shaped blocks (208) are respectively connected with the four first limiting rods (2011) in a sliding manner; a first spring (2012) is sleeved on each of the four first limiting rods (2011), one end of each first spring (2012) is fixedly connected with the third L-shaped block (2010), and the other end of each first spring (2012) is fixedly connected with the first L-shaped block (208); twelve first limiting plates (2013) are arranged on the upper side of the tightening assembly in a circular array, and the twelve first limiting plates (2013) are located on the inner side of the first linkage ring (204); two second springs (2014) are fixedly connected to the centrifugal end of each first limiting plate (2013); the centripetal ends of twenty-four second springs (2014) are all connected with the tightening assembly.
2. The mounting device with the eccentricity prevention function for the Christmas tree in the oil field is characterized in that the tightening assembly comprises a first connecting block (301), a second connecting block (302), a screw rod (303), a second motor (304), a second linkage ring (305), a third linkage ring (306), a limiting cylinder (307), a fixing screw rod (308), a supporting plate (309), a fixing nut (3010), a fixing column (3011) and a second linkage block (3012); two first connecting blocks (301) are fixedly connected to the upper side of the inner wall of the side plate (2); two second connecting blocks (302) are fixedly connected to the lower side of the inner wall of the side plate (2); a screw rod (303) is rotatably connected between each corresponding first connecting block (301) and each corresponding second connecting block (302); a second motor (304) is fixedly connected to the upper sides of the two first connecting blocks (301); the output ends of the two second motors (304) are fixedly connected with the two screw rods (303) respectively; a second linkage block (3012) is screwed on each of the two screw rods (303); a second linkage ring (305) is fixedly connected between the two second linkage blocks (3012); a third coupling ring (306) is rotatably connected to the inner side of the second coupling ring (305); a limiting cylinder (307) is fixedly connected to the middle part of the upper side of the third linkage ring (306); four fixing screw rods (308) are fixedly connected to the lower side of the limiting cylinder (307); a supporting plate (309) is inserted between every two corresponding fixing screws (308); the lower sides of the four fixing screw rods (308) are respectively screwed with a fixing nut (3010), and the fixing nuts (3010) are in contact with the supporting plate (309); both support plates (309) are in contact with the third coupling ring (306); six fixing columns (3011) are fixedly connected to the upper sides of the two supporting plates (309); the front part of the upper side of the second linkage ring (305) is fixedly connected with the first support frame (201); the upper side of the second linkage ring (305) is fixedly connected with four second L-shaped blocks (209) and four third L-shaped blocks (2010); the upper side of the third linkage ring (306) is fixedly connected with four first L-shaped blocks (208); the middle part of the third linkage ring (306) is rotationally connected with the first linkage ring (204); the middle part of the limiting cylinder (307) is in sliding connection with twelve first limiting plates (2013); the middle part of the outer side of the limiting cylinder (307) is fixedly connected with twenty-four second springs (2014); the limiting cylinder (307) is connected with the positioning component.
3. The installation device with anti-eccentric function for christmas trees in oil fields according to claim 2, wherein twelve fixing posts (3011) are arranged in a circular array.
4. The mounting device with the anti-eccentric function for the Christmas tree in the oil field is characterized in that the positioning component comprises a third connecting block (401), a torsion rotating shaft (402), a third connecting block (403), a second limiting rod (404) and a third spring (405); a third connecting block (401) is fixedly connected to the left part of the outer side of the limiting cylinder (307); a torsion rotating shaft (402) is arranged on the upper side of the third connecting block (401); a third linkage block (403) is fixedly connected to the middle part of the torsion rotating shaft (402); the right side of the third linkage block (403) is connected with a second limiting rod (404) in a sliding manner; a third spring (405) is sleeved on the upper side of the second limiting rod (404); the upper end of the third spring (405) is fixedly connected with the second limiting rod (404); the lower end of the third spring (405) is fixedly connected with the third linkage block (403).
5. The mounting device with the anti-eccentric function for the Christmas tree in the oil field is characterized in that the fixing component comprises a second support frame (501), a third telescopic cylinder (502), a sliding block (503) and an electric clamp (504); a second support frame (501) is fixedly connected to the rear side of the inner wall of the side plate (2); a third telescopic cylinder (502) is mounted on the rear side of the inner wall of the side plate (2), and the third telescopic cylinder (502) is positioned above the second support frame (501); a sliding block (503) is fixedly connected to the telescopic end of the third telescopic cylinder (502); the sliding block (503) is connected with the second support frame (501) in a sliding manner; an electric clamp (504) is arranged on the front side of the sliding block (503).
6. The installation device with the anti-eccentricity function for the Christmas tree in the oil field is characterized in that the cleaning assembly comprises a first round rod (601), a linkage plate (602), a linkage rod (603), a fourth spring (604), a shielding plate (605), an L-shaped plate (606), a fourth linkage ring (607), a second toothed ring (608), a third motor (609), a second spur gear (6010), a connecting frame (6011), a first telescopic cylinder (6012) and a second round rod (6013); a first round rod (601) is fixedly connected to the left part of the front side of the side plate (2); the first round bar (601) is rotatably connected with a linkage plate (602); the right side of the linkage plate (602) is connected with a linkage rod (603) in a sliding manner; the upper end of the linkage rod (603) is fixedly connected with a fourth spring (604); the lower end of a fourth spring (604) is fixedly connected with the linkage plate (602); a shielding plate (605) is fixedly connected to the lower end of the linkage rod (603); the left part and the right part of the upper side of the shielding plate (605) are fixedly connected with an L-shaped plate (606); a fourth linkage ring (607) is connected between the two L-shaped plates (606) in a sliding manner; a second toothed ring (608) is fixedly connected to the lower part of the outer side of the fourth linkage ring (607); the front part of the upper side of the shielding plate (605) is provided with a third motor (609); the output end of the third motor (609) is fixedly connected with a second straight gear (6010); the second straight gear (6010) is meshed with the second toothed ring (608); a connecting frame (6011) is fixedly connected to the lower part of the left side of the side plate (2); a first telescopic cylinder (6012) is rotatably connected to the front side of the connecting frame (6011); a second round bar (6013) is fixedly connected to the left part of the upper side of the linkage plate (602); the telescopic end of the first telescopic cylinder (6012) is rotatably connected with a second round rod (6013); an L-shaped plate (606) on the right is connected to the linkage assembly.
7. An installation device with anti-eccentric function for christmas trees in oil fields according to claim 6, characterized in that the inner side wall of the fourth link ring (607) is provided with a circle of bristles.
8. The installation device with the eccentricity prevention function for the Christmas tree in the oil field as claimed in claim 6, wherein the linkage assembly comprises a linkage frame (701), a second limit plate (702) and a fourth L-shaped block (703); a linkage frame (701) is fixedly connected to the right part of the lower side of the second linkage ring (305); a second limit plate (702) is fixedly connected to the lower side of the linkage frame (701); the upper part of the right side of the L-shaped plate (606) positioned on the right side is fixedly connected with a fourth L-shaped block (703).
9. The installation device with the anti-eccentric function for the Christmas tree in the oil field is characterized by further comprising an adjusting assembly, wherein the adjusting assembly is installed on the upper side of the bottom plate (1) and comprises a second telescopic cylinder (801), an arc-shaped plate (802), a fourth connecting block (803), a distance sensor (804) and an electric wheel (805); three second telescopic cylinders (801) are fixedly connected to the upper side of the bottom plate (1) in a circular array; the telescopic ends of the three second telescopic cylinders (801) are fixedly connected with arc-shaped plates (802); four fourth connecting blocks (803) are fixedly connected to the inner sides of the arc-shaped plates (802); a distance sensor (804) is arranged on each of the opposite sides of the four fourth connecting blocks (803); four electric wheels (805) are fixedly connected to the lower side of the arc-shaped plate (802).
10. The installation device with the anti-eccentric function for the Christmas tree in the oil field as claimed in claim 9, wherein two through holes are arranged at the lower side of the bottom plate (1) near to the two distance sensors (804) at the rear.
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| CN202210585431.3A CN114753789B (en) | 2022-05-27 | 2022-05-27 | Installation device with anti-eccentric function for oilfield christmas tree |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115977571A (en) * | 2022-12-30 | 2023-04-18 | 江苏江沅机械有限公司 | High-efficient oil recovery well head |
| CN116950596A (en) * | 2023-09-21 | 2023-10-27 | 江苏苏盐阀门机械有限公司 | Deviation-proof type wellhead testing device |
| CN118029936A (en) * | 2024-03-11 | 2024-05-14 | 重庆新泰机械有限责任公司 | 175MPa superhigh pressure gas production wellhead device |
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| CN116950596A (en) * | 2023-09-21 | 2023-10-27 | 江苏苏盐阀门机械有限公司 | Deviation-proof type wellhead testing device |
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| CN118029936A (en) * | 2024-03-11 | 2024-05-14 | 重庆新泰机械有限责任公司 | 175MPa superhigh pressure gas production wellhead device |
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| Publication number | Publication date |
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| CN114753789B (en) | 2024-04-09 |
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