CN117627570A - String layer well hole plugging device - Google Patents
String layer well hole plugging device Download PDFInfo
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- CN117627570A CN117627570A CN202410069128.7A CN202410069128A CN117627570A CN 117627570 A CN117627570 A CN 117627570A CN 202410069128 A CN202410069128 A CN 202410069128A CN 117627570 A CN117627570 A CN 117627570A
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- 238000007789 sealing Methods 0.000 claims abstract description 76
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000007569 slipcasting Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 5
- 238000012856 packing Methods 0.000 claims 4
- 239000002689 soil Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 23
- 239000004570 mortar (masonry) Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The invention provides a string layer well hole plugging device, which relates to the technical field of well mouth plugging, and comprises the following components: sealing cover; the upper end of the sealing cover is provided with a fastening ring, the lower end of the fastening ring is fixed with six groups of fixed cylinders, a rotating rod is arranged in the fixed cylinders, the lower end of the rotating rod is fixed with a gear, the lower end of the fixed cylinders is provided with four groups of fan-shaped grooves, and a swinging plate is arranged in each fan-shaped groove; in the device, the rotating rod in the fixed cylinder is rotated anticlockwise, the rotating rod drives the four groups of swinging plates to rotate clockwise by taking the rotating rod as a center through the gears, one end of each of the four groups of swinging plates, which is far away from the center of the rotating rod, drives the four groups of positioning plates to extend outwards respectively, so that the fastening ring is fixed in soil, the air tightness between the sealing cover and the wellhead is improved, the air pressure in the well is increased in the process of grouting into the well, the two groups of sealing plates are jacked upwards by gas, the combustible gas is output, and the combustible gas is ignited by the igniter, so that the treatment of the combustible gas in the well is realized.
Description
Technical Field
The invention relates to the technical field of wellhead plugging, in particular to a string layer well hole plugging device.
Background
In production, holes are drilled in the stratum according to a certain well distribution system specially for producing underground water, oil or natural gas; or from other well drilling to water production, oil production and gas production. A casing is generally put into the well, cement is injected between the outer wall of the casing and the well wall, so as to maintain the well wall and isolate different water-bearing layers and oil layers in a sealing way; a water pump pipe or an oil gas pipe is also put into the casing. The well plugging device is used for producing underground water, is called a well when being used for producing petroleum, is called an oil well when being used for producing natural gas, is called a natural gas well or a gas well when being used for producing natural gas, and needs to be backfilled by materials such as tail mortar after underground production is finished, and the well hole is plugged in the backfilling process to prevent underground water and petroleum in the well from being polluted or harmful gas from leaking, so that the well plugging device is designed.
The existing well hole plugging device lacks a treatment structure of combustible gas in a well, and in the grouting process, a grouting pipe can shake up and down, and the grouting pipe can influence the tightness of a wellhead when shaking.
Disclosure of Invention
The invention relates to a serial layer well hole plugging device, the lower end of a fastening ring is fixed with six groups of fixed cylinders, the inside of the fixed cylinders is provided with a rotating rod, the lower end of the rotating rod is fixed with a gear, when a sealing cover is installed, the sealing cover is pressed down at a well mouth through the fastening ring, the rotating rod in the fixed cylinders is rotated anticlockwise, the rotating rod drives four groups of swinging plates to rotate clockwise by taking the rotating rod as a center through the gear, at the moment, one end of the four groups of rotating rods far away from the center of the rotating cylinder drives the four groups of positioning plates to extend outwards respectively, so that the fastening ring is fixed in soil, the air tightness between the sealing cover and the well mouth is improved, and a shell is arranged above the sealing cover, an igniter is arranged on the shell, during the grouting process in the well, as the filling of mortar in the well makes the well air pressure rise, when the pressure value reaches a certain value, the two groups of sealing plates are jacked up, at the moment, the gas is output, the combustible gas is ignited by the igniter, and the combustible gas in the well is treated.
The invention provides a string layer well hole plugging device, which comprises: sealing cover;
install on the sealed lid on the well head, be provided with mounting hole and No. two mounting holes on the sealed lid, sealing washer is installed to the lower extreme of sealed lid, the clamping ring is installed to the upper end of sealed lid, the lower extreme of clamping ring is fixed with six fixed barrels of group, the internally mounted of fixed barrel has the dwang, the lower extreme of dwang is fixed with the gear, and the lower extreme of fixed barrel is provided with four sets of fan-shaped grooves, install the swinging plate in the fan-shaped groove, the one end that the swinging plate is close to the dwang centre of a circle is fixed with the gear, and be fixed with the one end and the fixed barrel rotation of gear on the swinging plate and be connected, be provided with the spout on the swinging plate, swing inboard swing joint has the locating plate, and the bottom is installed to the lower extreme of fixed barrel, be provided with four sets of spouts on the bottom, four sets of locating plates slide respectively in four sets of spouts on the bottom cover.
Preferably, the mounting hole is fixed with the mounting cylinder, and mounting cylinder internally mounted has the valve body, installs the center pole through the nut on the valve body, installs two sets of closing plates on the center pole, and two sets of closing plates rotate with the center pole to install torsion spring on the center pole, torsion spring's both ends push down on two sets of closing plates, and be fixed with the card post on the mounting cylinder, the connecting cylinder is installed to the upper end of mounting cylinder, is provided with the draw-in groove on the connecting cylinder, and the card post is located the draw-in groove on the connecting cylinder.
Preferably, the upper end of the connecting cylinder is connected with a connecting pipe, an end cover is fixed on the connecting pipe, a cylinder body is installed on the end cover in a buckling mode, a circular plate is fixed in the cylinder body, a through hole is formed in the circular plate, a first motor is installed on the circular plate, and fan blades are installed on an output shaft of the first motor.
Preferably, the cylinder is connected with a connecting seat, the connecting seat is provided with a shell through a screw, the shell is provided with a mounting ring through a screw, the mounting ring is provided with a flame collecting head through a screw, the shell is fixedly provided with an igniter, and the shell is internally provided with a heat insulation cylinder.
Preferably, the grouting pipe is arranged on the second mounting hole, the fixing ring is arranged at the second mounting hole of the sealing cover through a bolt, the middle cylinder is arranged at the upper end of the fixing ring, the sealing cylinder is arranged at the upper end of the middle cylinder, the fixing ring is connected with the sealing cylinder through a bolt, the bearing is arranged in the sealing cylinder, the bearing is sleeved on the grouting pipe, and the sealing rings are arranged at the upper end and the lower end of the bearing.
Preferably, a sealing ring is arranged in the middle cylinder, a second sealing ring is arranged between the fixing ring and the grouting pipe, a check ring is arranged at the lower end of the first sealing ring, a second check ring is arranged at the upper end of the second sealing ring, a first gasket is arranged at the lower end of the first check ring, a second gasket is arranged at the upper end of the second check ring, and a buffer spring is arranged between the first gasket and the second gasket.
Preferably, a clamp seat is installed at the upper end of the sealing cylinder, a clamp seat No. two is installed on the clamp seat through a bolt, a rotating cylinder is installed between the clamp seat No. one and the clamp seat No. two, a fluted disc is fixed at the lower end of the rotating cylinder, a motor No. two is installed on the clamp seat No. two, a worm is installed on an output shaft of the motor No. two, a transmission rod is installed on the clamp seat No. two, a worm wheel is fixed at the left end of the transmission rod, the worm wheel is meshed with the worm on the output shaft of the motor No. two, and a grouting pipe is positioned inside the rotating cylinder.
Preferably, three groups of through grooves are formed in the rotating cylinder, three groups of fixing plates are fixed on the rotating cylinder, two groups of sliding rods are arranged on the three groups of fixing plates, a threaded rod is arranged on the fixing plate, a knob is arranged on the threaded rod, sliding blocks are arranged on the two groups of sliding rods in a sliding mode, the sliding blocks are in threaded fit with the threaded rod, three groups of mounting seats are fixed on the rotating cylinder, clamping plates are arranged on the mounting seats, the clamping plates are rotationally connected with the mounting seats, movable blocks are movably arranged at the upper ends of the clamping plates, connecting plates are connected between the movable blocks and the sliding blocks, connecting plates are also arranged between the movable blocks and the fixing plates, contact plates are arranged at the lower ends of the clamping plates, the contact plates are located in the through grooves on the rotating cylinder, and the three groups of contact plates clamp grouting pipes.
Preferably, the bottom pipe is installed to the upper end of slip casting pipe, and the cover has the lock ring on the bottom pipe, is provided with the ring channel on the lock ring, installs the ball in the ring channel, and the top pipe is installed through the bolt to the upper end of lock ring, and the upper end of top pipe is fixed with the connector to install two sets of anti-loosening plates through the bolt on the connector, the connector is used for being connected with outside grouting equipment.
Preferably, the lower extreme of slip casting pipe is connected with quick connection pipe, installs two sets of clamp handles on the quick connection pipe, and the lower extreme of quick connection pipe is connected with the locked groove pipe, is provided with the protruding structure of arc on the clamp handle, and the protruding structure of arc on the clamp handle compresses tightly in the locked groove on the locked groove pipe, and the lower extreme of locked groove pipe is connected with a horn, and the lower extreme rotation of a horn is connected with the guniting section of thick bamboo, and the upper end of guniting section of thick bamboo is put through with the lower extreme of locked groove pipe through the hose, installs two sets of hydraulic stems of a first hydraulic stem between a horn and the horn, installs two sets of hydraulic stems of a second hydraulic stem between a horn and the guniting section of thick bamboo.
The device has the following beneficial effects:
(1) In the device, six groups of fixed barrels are fixed at the lower end of a fastening ring, a rotating rod is arranged in the fixed barrels, a gear is fixed at the lower end of the rotating rod, when a sealing cover is arranged, the sealing cover is pressed down at a wellhead through the fastening ring, the rotating rod in the fixed barrels is rotated anticlockwise, the rotating rod drives four groups of swinging plates to rotate clockwise by taking the rotating rod as a center through the gear, at the moment, one end of the four groups of swinging plates, which is far away from the center of the rotating rod, drives the four groups of positioning plates to extend outwards respectively, so that the fastening ring is fixed in soil, the air tightness between the sealing cover and the wellhead is improved, a shell is arranged above the sealing cover, an igniter is arranged on the shell, during grouting into the well, the gas is lifted upwards by filling of mortar in the well, and when a pressure value reaches a certain value, the gas is lifted up by the two groups of sealing plates, at the moment, combustible gas is output, and the combustible gas is ignited by the igniter, so that the processing of the combustible gas in the well is realized;
(2) In the device, the grouting pipe is clamped through the contact plates on the three groups of clamping plates, the movable blocks can enable the three groups of clamping plates to shake up and down in a small range, the second check ring is arranged at the upper end of the second sealing ring, the first gasket is arranged at the lower end of the first check ring, the second gasket is arranged at the upper end of the second check ring, the buffer spring is arranged between the first gasket and the second gasket, the buffer spring can inhibit the grouting pipe from shaking up and down, the shaking amplitude of the grouting pipe is reduced through mutual offset of acting forces, and the sealing performance of the sealing cover is prevented from being influenced when the grouting pipe shakes.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present invention;
FIG. 2 is a schematic view of the seal cap in the apparatus of the present invention;
FIG. 3 is a schematic view of the structure of a stationary barrel in the apparatus of the present invention;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 3;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 1;
FIG. 6 is a schematic view of the structure of a valve body in the device of the present invention;
FIG. 7 is a schematic view of the split structure of the cartridge in the apparatus of the present invention;
FIG. 8 is a schematic view of the disassembled structure of the housing in the device of the present invention;
FIG. 9 is a schematic cross-sectional view of a retainer ring, intermediate cartridge and seal cartridge in the apparatus of the present invention;
FIG. 10 is an enlarged schematic view of the portion C of FIG. 9;
FIG. 11 is a schematic view of the structure of the first and second holders in the device of the present invention;
FIG. 12 is an enlarged schematic view of the portion D of FIG. 11;
FIG. 13 is a schematic view of the structure of the jacking pipe in the apparatus of the present invention;
FIG. 14 is a schematic view of the construction of a quick connect tube in the apparatus of the present invention;
FIG. 15 is a schematic view of the structure of the grip in the device of the present invention;
list of reference numerals:
1. sealing cover; 11. a first mounting hole; 12. a second mounting hole; 13. a sealing gasket; 14. a fastening ring; 15. a fixed cylinder; 151. a rotating lever; 152. a swinging plate; 153. a positioning plate; 154. a bottom cover; 16. a mounting cylinder; 161. a valve body; 1611. a central rod; 1612. a sealing plate; 1613. a torsion spring; 1614. a clamping column; 162. a connecting cylinder; 163. a connecting pipe; 164. an end cap; 165. a cylinder; 1651. a circular plate; 1652. a first motor; 1653. a fan blade; 17. a housing; 171. the seat is connected; 1711. an igniter; 172. a mounting ring; 1721. a flame collecting head; 173. a heat insulation cylinder;
2. grouting pipe; 21. a fixing ring; 211. a bearing; 212. a seal ring; 213. a first sealing ring; 214. a first check ring; 215. a washer I; 216. a buffer spring; 217. a second gasket; 218. a second check ring; 219. a second seal ring; 22. an intermediate cylinder; 23. a sealing cylinder; 24. a first clamping seat; 241. a second clamping seat; 2411. a motor II; 2412. a transmission rod; 242. a rotating cylinder; 2421. fluted disc; 2422. a fixing plate; 2423. a slide bar; 2424. a threaded rod; 2425. a sliding block; 2426. a connecting plate; 2427. a mounting base; 2428. a clamping plate; 24281. a movable block; 2429. a contact plate; 25. jacking pipes; 251. a locking ring; 252. a bottom tube; 253. a connector; 2531. an anti-loosening plate; 26. a quick connecting pipe; 261. a clamping handle; 262. a lock groove pipe; 263. a first horn; 2631. a hydraulic lever number one; 264. a second cylinder; 2641. a second hydraulic rod; 265. and (5) a guniting cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
Embodiment one: please refer to fig. 1 to 15:
the invention provides a string layer well hole plugging device, which comprises: a sealing cover 1;
the well mouth is arranged on the sealing cover 1, a first mounting hole 11 and a second mounting hole 12 are formed in the sealing cover 1, a sealing gasket 13 is arranged at the lower end of the sealing cover 1, a fastening ring 14 is arranged at the upper end of the sealing cover 1, six groups of fixing cylinders 15 are fixed at the lower end of the fastening ring 14, a rotating rod 151 is arranged in the fixing cylinders 15, gears are fixed at the lower ends of the rotating rod 151, four groups of fan-shaped grooves are formed in the lower ends of the fixing cylinders 15, a swinging plate 152 is arranged in the fan-shaped grooves, a gear is fixed at one end, close to the center of the rotating rod 151, of the swinging plate 152, one end, fixed with the gear, of the swinging plate 152 is in rotary connection with the fixing cylinders 15, the gear on the swinging plate 152 is meshed with the gear on the rotating rod 151, a sliding groove is formed in the swinging plate 152, a positioning plate 153 is movably connected in the sliding groove, a bottom cover 154 is arranged at the lower end of the fixing cylinders 15, four groups of sliding grooves are formed in the bottom cover 154, and the four groups of positioning plates 153 slide in the four groups of sliding grooves on the bottom cover 154 respectively.
The mounting hole 11 is fixedly provided with a mounting cylinder 16, the mounting cylinder 16 is internally provided with a valve body 161, the valve body 161 is provided with a central rod 1611 through a nut, the central rod 1611 is provided with two groups of sealing plates 1612, the two groups of sealing plates 1612 are rotationally connected with the central rod 1611, the central rod 1611 is provided with a torsion spring 1613, two ends of the torsion spring 1613 are pressed down on the two groups of sealing plates 1612, the mounting cylinder 16 is fixedly provided with a clamping column 1614, the upper end of the mounting cylinder 16 is provided with a connecting cylinder 162, the connecting cylinder 162 is provided with a clamping groove, and the clamping column 1614 is positioned in the clamping groove on the connecting cylinder 162, so that the function is that: in the process of grouting into the well, the pressure in the well is increased due to the filling of the mortar in the well, and when the pressure value reaches a certain value, the gas lifts up the two groups of sealing plates 1612, and at the moment, the combustible gas is output.
The upper end of connecting tube 162 is connected with connecting tube 163, be fixed with end cover 164 on the connecting tube 163, buckle installs barrel 165 on the end cover 164, the inside of barrel 165 is fixed with plectane 1651, be provided with the through-hole on the plectane 1651, and install motor No. one 1652 on the plectane 1651, install flabellum 1653 on the output shaft of motor No. one 1652, be connected with on-seat 171 on the barrel 165, install shell 17 through the screw on the on-seat 171, install mounting ring 172 through the screw on the shell 17, install flame collecting head 1721 through the screw on the mounting ring 172, be fixed with the some firearm 1711 on the shell 17, and the inside of shell 17 is fixed with thermal-insulated section of thick bamboo 173, its effect is: the fan blade 1653 is rotated by operating the first motor 1652 to accelerate the discharge speed of the combustible gas, and the combustible gas is ignited by the igniter 1711 to complete the treatment of the combustible gas in the well.
The grouting device is characterized in that a grouting pipe 2 is arranged on the second mounting hole 12, a fixing ring 21 is arranged at the second mounting hole 12 on the sealing cover 1 through bolts, a middle cylinder 22 is arranged at the upper end of the fixing ring 21, a sealing cylinder 23 is arranged at the upper end of the middle cylinder 22, the fixing ring 21 is connected with the sealing cylinder 23 through bolts, a bearing 211 is arranged in the sealing cylinder 23, the bearing 211 is sleeved on the grouting pipe 2, sealing rings 212 are respectively arranged at the upper end and the lower end of the bearing 211, a first sealing ring 213 is arranged in the middle cylinder 22, a second sealing ring 219 is arranged between the fixing ring 21 and the grouting pipe 2, a first check ring 214 is arranged at the lower end of the first sealing ring 213, a second check ring 218 is arranged at the upper end of the second sealing ring 219, a first gasket 215 is arranged at the lower end of the first check ring 214, a second gasket 217 is arranged at the upper end of the second check ring 218, and a buffer spring 216 is arranged between the first gasket 215 and the second gasket 217, and the function is that: the buffer spring 216 can play a role in inhibiting the vertical shaking of the grouting pipe 2, reduce the shaking amplitude of the grouting pipe 2 through the mutual offset of acting forces, and avoid the influence on the tightness of the sealing cover 1 when the grouting pipe 2 shakes.
The upper end of the sealing cylinder 23 is provided with a first clamping seat 24, a second clamping seat 241 is arranged on the first clamping seat 24 through bolts, a rotary cylinder 242 is arranged between the first clamping seat 24 and the second clamping seat 241, the lower end of the rotary cylinder 242 is fixedly provided with a fluted disc 2421, a second motor 2411 is arranged on the second clamping seat 241, a worm is arranged on the output shaft of the second motor 2411, a transmission rod 2412 is arranged on the second clamping seat 241, the left end of the transmission rod 2412 is fixedly provided with a worm wheel which is meshed with the worm on the output shaft of the second motor 2411, a grouting pipe 2 is positioned in the rotary cylinder 242, three groups of through grooves are arranged on the rotary cylinder 242, three groups of fixing plates 2422 are fixed on the rotary cylinder 242, two groups of sliding rods 2423 are respectively arranged on the three groups of fixing plates 2422, and install threaded rod 2424 on the fixed plate 2422, install the knob on the threaded rod 2424, slide on two sets of slide bars 2423 and have slider 2425, slider 2425 and threaded rod 2424 screw-thread fit, be fixed with three sets of mount pad 2427 on the rotary cylinder 242, install splint 2428 on the mount pad 2427, splint 2428 and mount pad 2427 rotate and be connected, the upper end activity of splint 2428 has movable block 24281, be connected with connecting plate 2426 between movable block and 24281 and slider 2425, and also install connecting plate 2426 between movable block 24281 and the fixed plate 2422, contact plate 2429 is installed to the lower extreme of splint 2428, contact plate 2429 is located the logical inslot on the rotary cylinder 242, three sets of contact plates 2429 clamp grouting pipe 2, its effect is: the second motor 2411 is operated to drive the rotary cylinder 242 to rotate the grouting pipe 2, and the movable block 24281 is arranged to enable the three groups of clamping plates 2428 to shake up and down within a small range.
Embodiment two: on the basis of the first embodiment of the present invention,
the bottom pipe 252 is installed to the upper end of slip casting pipe 2, and the cover has the locking ring 251 on the bottom pipe 252, is provided with the ring channel on the locking ring 251, installs the ball in the ring channel, and the push pipe 25 is installed through the bolt to the upper end of locking ring 251, and the upper end of push pipe 25 is fixed with connector 253 to install two sets of anti-loosening plates 2531 through the bolt on the connector 253, the connector 253 is used for being connected with outside slip casting equipment, and its effect is: the arrangement of the balls in the locking ring 251 can keep the top pipe 25 from rotating when the grouting pipe 2 rotates, and prevent the connecting pipe connected with external grouting equipment from being distorted.
Embodiment III: on the basis of the first and second embodiments,
the lower extreme of slip casting pipe 2 is connected with quick connection pipe 26, install two sets of clamp handles 261 on the quick connection pipe 26, the lower extreme of quick connection pipe 26 is connected with locked groove pipe 262, be provided with the protruding structure of arc on the clamp handle 261, the protruding structure of arc on the clamp handle 261 compresses tightly in the locked groove on locked groove pipe 262, the lower extreme of locked groove pipe 262 is connected with a horn 263, the lower extreme rotation of a horn 263 is connected with a horn 264, the lower extreme rotation of a horn 264 is connected with a gun 265, the upper end of gun 265 is put through with the lower extreme of locked groove pipe 262 through the hose, install two sets of a hydraulic levers 2631 between a horn 263 and the horn 264, install two sets of hydraulic levers 2641 between a horn 264 and the gun 265, its effect is: pulling up the two sets of clamping handles 261 can quickly detach the locking groove pipe 262, and controlling the expansion and contraction of the first hydraulic rod 2631 and the second hydraulic rod 2641 can adjust the orientation of the guniting cylinder 265, so that mortar is uniformly filled.
The working principle of the embodiment of the device is as follows: when in use, the sealing cover 1 is pressed down at the wellhead through the fastening ring 14, the rotating rod 151 in the fixed cylinder 15 is rotated anticlockwise, the rotating rod 151 drives the four groups of swinging plates 152 to rotate clockwise by taking the rotating rod 151 as a center through a gear, at the moment, one ends of the four groups of swinging plates 152 far away from the center of the rotating rod 151 respectively drive the four groups of positioning plates 153 to extend outwards, so that the fastening ring 14 is fixed in soil, the air tightness between the sealing cover 1 and the wellhead is improved, mortar is filled into the well through the grouting cylinder 265, the arrangement of the buffer spring 216 can play a role in inhibiting the vertical shaking of the grouting pipe 2, the shaking amplitude of the grouting pipe 2 is reduced through mutual offset of acting forces, the sealing performance of the sealing cover 1 is prevented from being influenced when the grouting pipe 2 shakes, the arrangement of the balls in the locking ring 251 can keep the jacking pipe 25 not rotating when the grouting pipe 2 rotates, the connecting pipe connected with external grouting equipment is prevented from being twisted, the two groups of clamping handles 261 are pulled up to rapidly detach the locking groove pipe 262, the first hydraulic rod 2631 and the second hydraulic rod 2641 are controlled to stretch and retract to adjust the direction of the grouting cylinder 265, mortar is uniformly filled, in the process of grouting into a well, the pressure value reaches a certain value because the filling of the mortar in the well increases the pressure in the well, the gas jacks up the two groups of sealing plates 1612, the combustible gas is output at the moment, the fan blades 1653 are rotated by operating the first motor 1652, the discharge speed of the combustible gas is accelerated, the combustible gas is ignited by the igniter 1711, and the treatment of the combustible gas in the well is completed.
Claims (10)
1. A string wellbore plugging device comprising: sealing cover; the method is characterized in that:
install on the sealed lid on the well head, be provided with mounting hole and No. two mounting holes on the sealed lid, sealing washer is installed to the lower extreme of sealed lid, the clamping ring is installed to the upper end of sealed lid, the lower extreme of clamping ring is fixed with six fixed barrels of group, the internally mounted of fixed barrel has the dwang, the lower extreme of dwang is fixed with the gear, and the lower extreme of fixed barrel is provided with four sets of fan-shaped grooves, install the swinging plate in the fan-shaped groove, the one end that the swinging plate is close to the dwang centre of a circle is fixed with the gear, and be fixed with the one end and the fixed barrel rotation of gear on the swinging plate and be connected, be provided with the spout on the swinging plate, swing inboard swing joint has the locating plate, and the bottom is installed to the lower extreme of fixed barrel, be provided with four sets of spouts on the bottom, four sets of locating plates slide respectively in four sets of spouts on the bottom cover.
2. A string wellbore plugging apparatus according to claim 1, wherein:
the installation cylinder is fixed on the first installation hole, the valve body is installed in the installation cylinder, the central rod is installed on the valve body through the nut, two groups of sealing plates are installed on the central rod, the two groups of sealing plates are rotationally connected with the central rod, the torsion springs are installed on the central rod, two ends of each torsion spring are pressed down on the two groups of sealing plates, the clamping columns are fixed on the installation cylinder, the connecting cylinder is installed at the upper end of the installation cylinder, the clamping grooves are formed in the connecting cylinder, and the clamping columns are located in the clamping grooves in the connecting cylinder.
3. A string wellbore plugging apparatus according to claim 2, wherein:
the upper end of the connecting cylinder is connected with a connecting pipe, an end cover is fixed on the connecting pipe, a cylinder body is mounted on the end cover in a buckling mode, a circular plate is fixed in the cylinder body, a through hole is formed in the circular plate, a first motor is mounted on the circular plate, and fan blades are mounted on an output shaft of the first motor.
4. A string wellbore plugging apparatus according to claim 3, wherein:
the cylinder is connected with a connecting seat, a shell is arranged on the connecting seat through a screw, a mounting ring is arranged on the shell through a screw, a flame collecting head is arranged on the mounting ring through a screw, an igniter is fixed on the shell, and a heat insulation cylinder is fixed inside the shell.
5. A string wellbore plugging apparatus according to any one of claims 1 to 4, wherein:
install the slip casting pipe on the mounting hole No. two to mounting hole department on the sealing cover installs the retainer plate through the bolt, and the upper end is installed to the retainer plate and is installed the intermediate barrel, and the sealing cylinder is installed to the upper end of intermediate barrel, passes through bolted connection between retainer plate and the sealing cylinder, installs the bearing in the sealing cylinder, and the bearing housing is on the slip casting pipe, and the sealing washer is all installed to the upper and lower end of bearing.
6. The string wellbore plugging apparatus of claim 5, wherein:
the middle section of thick bamboo internally mounted has a sealing ring, installs No. two sealing rings between retainer plate and the slip casting pipe, and No. one retaining ring is installed to No. one sealing ring's lower extreme, and No. two retaining rings are installed to No. two sealing ring's upper end, and No. one packing ring is installed to No. one retaining ring's lower extreme, and No. two packing rings are installed to No. two retaining ring's upper end, installs buffer spring between No. one packing ring and No. two packing rings.
7. The string wellbore plugging apparatus of claim 5, wherein:
the upper end of the sealing cylinder is provided with a first clamping seat, a second clamping seat is arranged on the first clamping seat through a bolt, a rotating cylinder is arranged between the first clamping seat and the second clamping seat, the lower end of the rotating cylinder is fixed with a fluted disc, the second clamping seat is provided with a second motor, the output shaft of the second motor is provided with a worm, the second clamping seat is provided with a transmission rod, the left end of the transmission rod is fixed with a worm wheel, the worm wheel is meshed with the worm on the output shaft of the second motor, and the grouting pipe is positioned in the rotating cylinder.
8. The string wellbore plugging apparatus of claim 7, wherein:
the grouting device comprises a rotating cylinder, and is characterized in that three groups of through grooves are formed in the rotating cylinder, three groups of fixing plates are fixed on the rotating cylinder, two groups of sliding rods are arranged on the three groups of fixing plates, a threaded rod is arranged on the fixing plates, a knob is arranged on the threaded rod, sliding blocks are arranged on the two groups of sliding rods in a sliding mode, the sliding blocks are in threaded fit with the threaded rod, three groups of mounting seats are fixed on the rotating cylinder, clamping plates are arranged on the mounting seats, the clamping plates are rotationally connected with the mounting seats, movable blocks are movably arranged at the upper ends of the clamping plates, connecting plates are connected between the movable blocks and the sliding blocks, connecting plates are also arranged between the movable blocks and the fixing plates, contact plates are arranged at the lower ends of the clamping plates, the contact plates are located in the through grooves on the rotating cylinder, and the three groups of contact plates clamp grouting pipes.
9. The string wellbore plugging apparatus of claim 8, wherein:
the grouting device comprises a grouting pipe, a bottom pipe, a locking ring, an annular groove, a ball, a jacking pipe, a connector and two groups of anti-loosening plates, wherein the bottom pipe is arranged at the upper end of the grouting pipe, the locking ring is sleeved on the bottom pipe, the annular groove is formed in the locking ring, the ball is arranged in the annular groove, the jacking pipe is arranged at the upper end of the locking ring through a bolt, the connector is fixed at the upper end of the jacking pipe, the two groups of anti-loosening plates are arranged on the connector through bolts, and the connector is used for being connected with external grouting equipment.
10. The string wellbore plugging apparatus of claim 9, wherein:
the lower extreme of slip casting pipe is connected with quick connection pipe, installs two sets of clamp handles on the quick connection pipe, and the lower extreme of quick connection pipe is connected with the locked groove pipe, is provided with the protruding structure of arc on the clamp handle, and the protruding structure of arc on the clamp handle compresses tightly in the locked groove on the locked groove pipe, and the lower extreme of locked groove pipe is connected with a horn, and the lower extreme rotation of a horn is connected with the guniting section of thick bamboo, and the upper end of guniting section of thick bamboo is put through with the lower extreme of locked groove pipe through the hose, installs two sets of hydraulic stems of a first number between a horn and the horn, installs two sets of hydraulic stems of a second number between a horn and the guniting section of thick bamboo.
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| CN202410069128.7A CN117627570B (en) | 2024-01-17 | 2024-01-17 | String layer well hole plugging device |
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| CN202410069128.7A CN117627570B (en) | 2024-01-17 | 2024-01-17 | String layer well hole plugging device |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200327296Y1 (en) * | 2003-06-20 | 2003-09-19 | 조희남 | Bottom cover of sealed cover using tapered inner diameter |
| KR200329458Y1 (en) * | 2003-07-04 | 2003-10-10 | 조희남 | Hermetic groundwater well cover with multiple water pipe connections |
| KR20110042997A (en) * | 2009-10-20 | 2011-04-27 | (주)한서엔지니어링 | Closed wells management system |
| GB2501381A (en) * | 2012-04-16 | 2013-10-23 | Wild Well Control Inc | Annulus cementing tool for well abandonment |
| US20150114670A1 (en) * | 2013-10-31 | 2015-04-30 | Bulldog Services, LLP | Wellhead abandonment cap |
| CN105178908A (en) * | 2015-08-24 | 2015-12-23 | 中国科学院武汉岩土力学研究所 | Chemical grouting packing device and method for downhole stratum plugging |
| CN214741198U (en) * | 2021-06-03 | 2021-11-16 | 青海省交通工程技术服务中心 | A slip casting hole sealing device for tunnel engineering |
| CN215819521U (en) * | 2021-08-02 | 2022-02-15 | 扬州市宏业园林工程有限公司 | Nursery stock is planted and uses mount |
| CN115748780A (en) * | 2022-11-23 | 2023-03-07 | 中国建筑第八工程局有限公司 | Dewatering well pipe well plugging device and method |
| CN219866892U (en) * | 2023-05-23 | 2023-10-20 | 合肥盛邦电器有限公司 | Quick connector with pressure relief device |
| CN117049010A (en) * | 2023-07-28 | 2023-11-14 | 江山市艺康化学有限公司 | Phosphorus pentoxide transportation protection device and use method |
-
2024
- 2024-01-17 CN CN202410069128.7A patent/CN117627570B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200327296Y1 (en) * | 2003-06-20 | 2003-09-19 | 조희남 | Bottom cover of sealed cover using tapered inner diameter |
| KR200329458Y1 (en) * | 2003-07-04 | 2003-10-10 | 조희남 | Hermetic groundwater well cover with multiple water pipe connections |
| KR20110042997A (en) * | 2009-10-20 | 2011-04-27 | (주)한서엔지니어링 | Closed wells management system |
| GB2501381A (en) * | 2012-04-16 | 2013-10-23 | Wild Well Control Inc | Annulus cementing tool for well abandonment |
| US20150114670A1 (en) * | 2013-10-31 | 2015-04-30 | Bulldog Services, LLP | Wellhead abandonment cap |
| CN105178908A (en) * | 2015-08-24 | 2015-12-23 | 中国科学院武汉岩土力学研究所 | Chemical grouting packing device and method for downhole stratum plugging |
| CN214741198U (en) * | 2021-06-03 | 2021-11-16 | 青海省交通工程技术服务中心 | A slip casting hole sealing device for tunnel engineering |
| CN215819521U (en) * | 2021-08-02 | 2022-02-15 | 扬州市宏业园林工程有限公司 | Nursery stock is planted and uses mount |
| CN115748780A (en) * | 2022-11-23 | 2023-03-07 | 中国建筑第八工程局有限公司 | Dewatering well pipe well plugging device and method |
| CN219866892U (en) * | 2023-05-23 | 2023-10-20 | 合肥盛邦电器有限公司 | Quick connector with pressure relief device |
| CN117049010A (en) * | 2023-07-28 | 2023-11-14 | 江山市艺康化学有限公司 | Phosphorus pentoxide transportation protection device and use method |
Non-Patent Citations (2)
| Title |
|---|
| 冒海军;曹冬云;郭印同;杨春和;赵福祥;: "枯竭油气田中废弃井密封性研究", 岩石力学与工程学报, no. 11, 15 November 2010 (2010-11-15) * |
| 王国强;: "大庆油田储气库老井封堵技术探讨", 化学工程与装备, no. 05, 15 May 2018 (2018-05-15) * |
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| CN117627570B (en) | 2024-04-02 |
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