CN113818829A - Oil well external vapor-liquid flow collecting device and construction method thereof - Google Patents
Oil well external vapor-liquid flow collecting device and construction method thereof Download PDFInfo
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- CN113818829A CN113818829A CN202111216343.8A CN202111216343A CN113818829A CN 113818829 A CN113818829 A CN 113818829A CN 202111216343 A CN202111216343 A CN 202111216343A CN 113818829 A CN113818829 A CN 113818829A
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- split
- sleeve
- reinforced concrete
- hoop
- vapor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/08—Wipers; Oil savers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/005—Waste disposal systems
- E21B41/0057—Disposal of a fluid by injection into a subterranean formation
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
Abstract
The invention discloses an oil well external vapor-liquid flow collecting device and a construction method thereof, relating to the technical field of oil well heat injection; in order to improve the environmental protection; the device comprises reinforced concrete arranged outside a sleeve, wherein the bottom of the reinforced concrete is embedded under the ground, a gravel layer is arranged below the reinforced concrete, a split sheath is arranged at the center of the bottom of the reinforced concrete, and the split sheath is sleeved outside the sleeve; the construction method of the device comprises the following steps: digging a construction cavity outside a sleeve of a well head; the split type sheath is sleeved outside the sleeve, so that the split type sheath is prevented from contacting the sleeve, and an annular channel for vapor and liquid to pass through is reserved. The oil well outer vapor-liquid flow collecting device is used for collecting sewage and steam splashed by stratum annuluses outside the outer wall of the casing, is a totally-enclosed drainage device, and conveys vapor and liquid gushing upwards to storage equipment by using a manifold.
Description
Technical Field
The invention relates to the technical field of oil well hot injection, in particular to an oil well external vapor-liquid flow collecting device and a construction method thereof.
Background
When the steam is injected into the pumping well, the temperature of the pipeline is raised due to higher steam temperature, so that formation water in a shallow surface layer outside the sleeve and deposited surface water are heated and boiled, boiled sewage flows out of the bottom surface along the outer wall of the sleeve, and the overflow and splashing are always accompanied in the whole steam injection process; inconvenience is brought to work; at present, in order to solve this problem, adopt soil to enclose to keep off in the well head outside more, the sewage that spills over leans on the natural evaporation, and this mode has carried out certain restriction to sewage, but has still caused the pollution to the environment, and has certain potential safety hazard, consequently, still remains to be improved.
Through retrieval, the Chinese patent application No. CN202020861114.6 discloses an anti-splash device for the bottom of an oil extraction wellhead, which comprises a sealing locking hoop and an anti-splash cover, when in use, the anti-splash device is sleeved on a sleeve at the bottom of the oil extraction wellhead, wherein the sealing locking hoop just wraps the screw thread connected with an upper sleeve and a lower sleeve at the bottom of the oil extraction wellhead, the sealing locking hoop is respectively locked with the upper sleeve and the lower sleeve at the bottom of the oil wellhead through a first locking screw and a second locking screw, glue is injected into a glue injection groove through a glue injection valve to increase the strength of the screw thread connected with the upper sleeve and the lower sleeve, so as to avoid leakage, and meanwhile, through the arrangement of the anti-splash cover, even if the surface of the earth has the splash phenomenon, the splash can be limited within a certain range under the obstruction of the anti-splash cover, so as to reduce the splash force, the splashing range can be reduced, and the safety coefficient is improved. The splash guard of the above patent suffers from the following disadvantages: although the sprayed liquid is limited to a certain degree, the environment is still polluted, and certain potential safety hazards exist, so that the improvement is still needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an oil well external vapor-liquid collecting device and a construction method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an oil well outer vapour-liquid mass flow device, includes the reinforced concrete who sets up in the sleeve pipe outside, the reinforced concrete bottom is buried underground in the subsurface, and the reinforced concrete below is provided with the metalling, reinforced concrete bottom central point puts and is provided with split type sheath, and split type sheath cover is in the sleeve pipe outside, and the internal diameter of split type sheath is greater than the sheathed tube external diameter, reinforced concrete top central point puts and is provided with split type packing subassembly between the sleeve pipe, split type packing subassembly includes two split type clamps and two split type hoop type briquetting, split type clamp outer wall is fixed with the arc chimb, and the top surface of split type clamp flushes with the reinforced concrete top surface, and two split type clamps symmetry set up in the sleeve pipe outside, and leave two rectangle passageways between two split type clamps, split type clamp is close to one side of sleeve pipe and is provided with first direction inclined plane, two split type hoop type briquetting symmetry set up in the sleeve pipe both sides, and the bottom of the split hoop type pressing block is inserted into a gap between the two split hoops and the sleeve, the splicing surfaces of the two split hoop type pressing blocks and the two rectangular channels are arranged in a staggered manner, the body of the reinforced concrete is filled in the rectangular channels, the bottom of the split hoop type pressing block is provided with a second guide inclined surface, the first guide inclined surface and the outer wall of the sleeve are wound by elastic deformation graphite packing, the top of the split hoop type pressing block is detachably arranged at the top of the split hoop type clamping block through a fastening bolt, a cavity is arranged between the reinforced concrete and the sleeve, a conveying manifold is arranged in the reinforced concrete, the two ends of the conveying manifold are respectively located on the outer side of the reinforced concrete and in the cavity, and the gap between the split sheath and the sleeve is communicated with the conveying manifold through the cavity.
Preferably: the conveying pipe manifold has one end to connect the storage jar, and storage jar bottom is provided with the support frame, storage jar one end bottom outer wall is provided with the delivery pipe, is provided with the discharge valve body that is used for controlling the delivery pipe break-make on the delivery pipe.
Further: the outer wall of one side of the conveying manifold is provided with a fixing frame for fixing the conveying manifold, one conveying manifold is provided with a pressure gauge and an electric control valve, the conveying manifold is internally provided with a pressure sensor, the vapor-liquid flow collecting device outside the oil well further comprises a control unit, the control unit is electrically connected with the pressure sensor and the electric control valve, and the other conveying manifold is provided with a manual discharge valve.
Further preferred is: the inner wall of the bottom of the storage tank is provided with a first heat transfer plate matched with the storage tank in shape, the outer walls of two sides of the first heat transfer plate are provided with second heat transfer plates, the second heat transfer plates are of corrugated structures, and the inner wall of the top of the storage tank is provided with a transparent plate matched with the storage tank in shape; and an evaporation output pipe is arranged on the outer wall of the top of one end of the storage tank.
As a preferable aspect of the present invention: the evaporation output pipe is internally provided with an annular limiting bulge, the inner wall of the top end of the evaporation output pipe is inserted with a filter box, the filter box is of a hollow columnar structure, the outer diameter of the filter box is matched with the inner diameter of the top end of the evaporation output pipe, the top of the filter box is detachably provided with a top cover, and the outer surface of the filter box is provided with through holes which are uniformly distributed; the filter box is filled with activated carbon particles.
Further preferred as the invention: in the storage tank, storage tank one side inner wall rotates and is connected with annular sliding seat, annular sliding seat inner wall bonds has the elasticity lasso, and elasticity lasso intermediate position bonds has the support ring, and sliding connection has the action bars in the support ring, action bars one end outer wall has the operation panel through the bolt fastening, and the action bars other end is provided with the portion of scraping that is used for striking off impurity.
As a still further scheme of the invention: the scraping part comprises a main scraper and an auxiliary scraper, the main scraper is fixed on the outer wall of one end of the operating rod through a bolt, the auxiliary scrapers are arranged on two sides of the main scraper, a first groove and a second groove are formed in the outer wall of one side of each of the two auxiliary scrapers respectively, and the first groove and the second groove are arranged in a staggered mode.
On the basis of the scheme: hollow seats are fixed on two sides of the supporting frame, the inner wall of each hollow seat is connected with an adjusting knob through threads, the outer wall of the bottom end of each adjusting knob is rotatably connected with a rotating block, and universal wheels are mounted at the bottoms of the rotating blocks through universal wheel mounting seats; the size of the universal wheel is smaller than the inner diameter of the hollow seat.
A construction method of a vapor-liquid flow collecting device outside an oil well comprises the following steps:
s1: digging a construction cavity outside a sleeve of a well head;
s2: sleeving the split type sheath outside the sleeve to avoid the split type sheath from contacting the sleeve, and reserving an annular channel for vapor and liquid to pass through;
s3: paving a rubble layer at the bottom of the construction cavity;
s4: binding a reinforcing mesh on site, fixing the split type hoop outside the sleeve, and fixing the conveying manifold;
s5: inserting the moulding bed into a crack between the split type hoop and the sleeve to carry out concrete construction so as to prepare reinforced concrete;
s6: taking out the moulding bed after the concrete is solidified;
s7: winding a graphite packing on the outer side of the sleeve, and plugging the graphite packing into a gap between the split type hoop and the sleeve;
s8: inserting two split hoop type pressing blocks between the top of the split hoop and the sleeve, fixing the split hoop type pressing blocks on the split hoop through fastening bolts, and sealing by using the deformation of a graphite packing;
s9: and connecting the conveying manifold into a vapor-liquid collecting system to finish construction.
It is further preferable on the basis of the foregoing scheme that: the forming die comprises two symmetrical split forming die main bodies, a lifting rod is arranged at the top of each split forming die main body, and the side wall of the bottom of each split forming die main body is matched with the shape of the first guide inclined plane.
The invention has the beneficial effects that:
1. the oil well outer vapor-liquid flow collecting device is used for collecting sewage and steam splashed by stratum annuluses outside the outer wall of the casing, is a totally-enclosed drainage device, and conveys vapor and liquid gushing upwards to storage equipment by using a manifold.
2. The invention can seal the well mouth by arranging the structures such as reinforced concrete, the split type sheath, the conveying manifold and the like, when sewage is heated and upwelled, the sewage is led out by the conveying manifold, the splashing phenomenon is avoided, the environmental protection and the safety are improved, the split type packing assembly is arranged, when the device is installed, the graphite packing is firstly wound on the outer side of the sleeve, then the two split type hoop pressing blocks are installed in the split type hoop, the fastening bolt is screwed to enable the split type hoop pressing blocks to be close to the split type hoop, the graphite packing is further extruded towards the inner side of the sleeve by utilizing the first guide inclined plane and the second guide inclined plane so as to achieve the sealing effect, the graphite packing is made of the easily deformable material, the service life of the whole structure is ensured, in addition, the split type hoop pressing blocks and the split type hoop are of the split type structure, the construction can be carried out without moving the sleeve, the reliability is improved, the rectangular channel is arranged, the firmness of combination between the reinforced concrete and the split type clamp can be improved in the process of preparing the reinforced concrete, the sealing performance is guaranteed, the gravel layer is arranged to play an anti-freezing effect, and the reliability is improved.
3. By arranging the storage tank and other structures, the sewage can be transmitted into the storage tank through the conveying manifold when the sewage upwells, so that the aim of collecting the sewage is fulfilled, and the practicability and the environmental friendliness are improved; through setting up structures such as manometer, automatically controlled valve, can be based on pressure sensor real-time supervision delivery manifold and the pressure in the cavity, when pressure was too big, control the automatically controlled valve and open, carry the liquid in the cavity to the holding vessel in, promoted the practicality.
4. Through the arrangement of the second heat transfer plate, the transparent plate and other structures, the light energy can be fully utilized, so that the liquid in the storage tank is irradiated by light and is subjected to heat transfer by the second heat transfer plate and the first heat transfer plate, evaporation is realized, the liquid is discharged through the evaporation output pipe, and the practicability is improved; through the filter cartridge who is equipped with the active carbon granule of setting up, can play deodorant purpose at the in-process of liquid evaporation from evaporation output tube discharge, promote the feature of environmental protection.
5. Through setting up the action bars, scraping the isotructure of portion, can control the scraping portion of action bars one end through the operation panel and scrape solid impurity in the reinforced concrete to utilize the delivery pipe discharge, promoted the practicality.
6. Can scrape the storage tank through setting up main scraper blade and vice scraper blade and move to utilize vice scraper blade to clear up storage tank circumference inner wall through rotatory mode, owing to set up first fluting and second fluting, can reduce the resistance when rotatory, and promote and strike off the effect, and first fluting and second fluting are crisscross distribution, have eliminated the clearance blind area, have ensured the clearance scope, more thoroughly of clearance.
7. Through setting up adjust knob, hollow seat and universal wheel isotructure, can be according to actual conditions, control the lift of universal wheel through rotatory adjust knob to be convenient for remove and fixed storage jar, promoted the practicality.
Drawings
FIG. 1 is a schematic structural diagram of an overall vapor-liquid flow collecting device outside an oil well, which is provided by the invention;
FIG. 2 is a schematic structural view of a reinforced concrete cross-section of a vapor-liquid flow collecting device outside an oil well according to the present invention;
FIG. 3 is a schematic structural diagram of a split packing assembly of a vapor-liquid flow collecting device outside an oil well according to the present invention;
FIG. 4 is a schematic structural diagram of a split type packing assembly of the vapor-liquid flow collecting device outside the oil well according to the present invention;
FIG. 5 is a schematic structural view of a sectional type packing assembly of the vapor-liquid flow collecting device outside the oil well according to the present invention;
FIG. 6 is a schematic structural view of a split type tire mold of the vapor-liquid flow collecting device outside the oil well, which is installed in a split type hoop and then sectioned;
FIG. 7 is a schematic view, partially in section, of a storage tank of an external vapor-liquid flow concentrating device according to the present invention;
FIG. 8 is a schematic cross-sectional view of an evaporation output tube of the vapor-liquid flow concentration device outside an oil well according to the present invention;
FIG. 9 is a schematic structural diagram of a scraping part of an oil well external vapor-liquid flow collecting device according to the present invention;
fig. 10 is a schematic structural diagram of a hollow base section of an external gas-liquid collecting device of an oil well according to the present invention.
In the figure: 1 reinforced concrete, 2 casing pipes, 3 operating panels, 4 operating rods, 5 storage tanks, 6 evaporation output pipes, 7 transparent plates, 8 conveying manifolds, 9 electric control valves, 10 pressure gauges, 11 split packing assemblies, 12 manual discharge valves, 13 fixing frames, 14 split sheaths, 15 crushed stone layers, 16 split hoop-shaped pressing blocks, 17 arc-shaped convex edges, 18 graphite packing, 19 split hoops, 20 fastening bolts, 21 first guide inclined planes and 22 second guide inclined planes, 23 lifting rods, 24 split type tire mold bodies, 25 second heat transfer plates, 26 first heat transfer plates, 27 hollow seats, 28 supporting frames, 29 supporting rings, 30 elastic ferrules, 31 annular sliding seats, 32 filter boxes, 33 top covers, 34 annular limiting protrusions, 35 through holes, 36 main scraping plates, 37 first grooves, 38 second grooves, 39 auxiliary scraping plates, 40 universal wheels, 41 universal wheel mounting seats, 42 rotating blocks and 43 adjusting knobs.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
an oil well external vapor-liquid flow collecting device is shown in figures 1-10 and comprises a reinforced concrete 1 arranged outside a sleeve 2, wherein the bottom of the reinforced concrete 1 is buried underground, a gravel layer 15 is arranged below the reinforced concrete 1, a split sheath 14 is arranged at the bottom center position of the reinforced concrete 1, the split sheath 14 is sleeved outside the sleeve 2, the inner diameter of the split sheath 14 is larger than the outer diameter of the sleeve 2, a split packing component 11 is arranged between the top center position of the reinforced concrete 1 and the sleeve 2, the split packing component 11 comprises two split hoops 19 and two split hoop type pressing blocks 16, an arc convex edge 17 is welded on the outer wall of each split hoop 19, the top surface of each split hoop 19 is flush with the top surface of the reinforced concrete 1, the two split hoops 19 are symmetrically arranged outside the sleeve 2, and two rectangular channels are reserved between the two split hoops 19, one side of the split hoop 19 close to the sleeve 2 is provided with a first guide inclined plane 21, two split hoop type pressing blocks 16 are symmetrically arranged at two sides of the sleeve 2, the bottoms of the split hoop type pressing blocks 16 are inserted into gaps between the two split hoops 19 and the sleeve 2, the splicing surfaces of the two split hoop type pressing blocks 16 and two rectangular channels are arranged in a staggered manner, the body of the reinforced concrete 1 is filled in the rectangular channels, the bottom of the split hoop type pressing block 16 is provided with a second guide inclined plane 22, the graphite packing 18 is wound among the second guide inclined plane 22, the first guide inclined plane 21 and the outer wall of the sleeve 2 in an elastic deformation manner, the top of the split hoop type pressing block 16 is detachably arranged at the top of the split hoop type pressing block 19 through a fastening bolt 20, a cavity is arranged between the reinforced concrete 1 and the sleeve 2, and a conveying manifold 8 is arranged in the reinforced concrete 1, two ends of the conveying manifold 8 are respectively positioned outside the reinforced concrete 1 and in the cavity, and a gap between the split sheath 14 and the sleeve 2 is communicated with the conveying manifold 8 through the cavity; by arranging the reinforced concrete 1, the split sheath 14, the conveying manifold 8 and other structures, the wellhead can be sealed, when sewage is heated and upwelled, the sewage is guided out through the conveying manifold 8, the splashing phenomenon is avoided, the environmental protection and the safety are improved, the split packing assembly 11 is arranged, when the assembly is carried out, the graphite packing 18 can be wound on the outer side of the sleeve 2 firstly, then the two split hoop type pressing blocks 16 are arranged in the split hoop 19, the fastening bolt 20 is screwed to enable the split hoop type pressing blocks 16 to be close to the split hoop 19, the graphite packing 18 is pressed towards the inner side of the sleeve 2 by utilizing the first guide inclined plane 21 and the second guide inclined plane 22, the sealing effect is achieved, the graphite packing 18 is made of an easily deformable material, the service life of the whole structure is guaranteed, in addition, the split hoop type pressing blocks 16 and the split hoop 19 are of split structures, the construction can be carried out under the condition that the sleeve does not move 2, the reliability is improved, and due to the fact that the rectangular channel is arranged, the firmness of combination between the reinforced concrete 1 and the split type hoop 19 can be improved in the process of preparing the reinforced concrete 1, the sealing performance is guaranteed, the gravel layer 15 is arranged to play an anti-freezing effect, and the reliability is improved.
To facilitate collection of the liquid output by the delivery manifold 8; as shown in fig. 1, one end of the delivery manifold 8 is connected with a storage tank 5, a support frame 28 is arranged at the bottom of the storage tank 5, a discharge pipe is arranged on the outer wall of the bottom of one end of the storage tank 5, and a discharge valve body for controlling the on-off of the discharge pipe is arranged on the discharge pipe; through setting up storage jar 5 isotructures, can be when sewage upwelling, through conveying manifold 8 transmission to storage jar 5 in to reach the purpose of collecting sewage, promoted practicality and feature of environmental protection.
To facilitate control of the conduction of the delivery manifold 8; as shown in fig. 2, a fixing frame 13 for fixing the conveying manifolds 8 is arranged on the outer wall of one side of each conveying manifold 8, a pressure gauge 10 and an electric control valve 9 are installed on one conveying manifold 8, a pressure sensor is arranged in each conveying manifold 8, the gas-liquid flow collecting device outside the oil well further comprises a control unit, the control unit is electrically connected with the pressure sensor and the electric control valve 9, and a manual discharge valve 12 is arranged on the other conveying manifold 8; through setting up manometer 10, automatically controlled valve 9 isotructures, can be based on pressure sensor real-time supervision delivery manifold 8 and the pressure in the cavity, when pressure was too big, control automatically controlled valve 9 was opened, with the liquid transport in the cavity to storage jar 5 in, promoted the practicality.
Example 2:
an oil well external vapor-liquid flow collecting device is disclosed, as shown in figures 1 and 7, in order to facilitate the evaporation of liquid in a storage tank 5; the present embodiment is modified from embodiment 1 as follows: a first heat transfer plate 26 matched with the storage tank 5 in shape is installed on the inner wall of the bottom of the storage tank 5, second heat transfer plates 25 are integrally arranged on the outer walls of two sides of the first heat transfer plate 26, the second heat transfer plates 25 are of corrugated structures, and a transparent plate 7 matched with the storage tank 5 in shape is installed on the inner wall of the top of the storage tank 5; an evaporation output pipe 6 is integrally arranged on the outer wall of the top of one end of the storage tank 5; through setting up second heat transfer plate 25, transparent plate 7 isotructure, can make full use of light energy, make storage jar 5 interior liquid receive illumination and second heat transfer plate 25, the heat transfer of first heat transfer plate 26 to realize the evaporation, and discharge through evaporation output tube 6, promoted the practicality.
In order to improve the environmental protection; as shown in fig. 7 and 8, the inner wall of the evaporation output tube 6 is integrally provided with an annular limiting protrusion 34, the inner wall of the top end of the evaporation output tube 6 is inserted with a filter box 32, the filter box 32 is in a hollow columnar structure, the outer diameter of the filter box 32 is matched with the inner diameter of the top end of the evaporation output tube 6, the top cover 33 is detachably mounted at the top of the filter box 32, and the outer surface of the filter box 32 is provided with through holes 35 which are uniformly distributed; the filter box 32 is filled with activated carbon particles; through the filter cartridge 32 that is equipped with the active carbon granule, can play deodorant purpose at the in-process that the evaporation of liquid was discharged from evaporation output tube 6, promoted the feature of environmental protection.
To facilitate cleaning of the storage tank 5; as shown in fig. 7, in the storage tank 5, an annular sliding seat 31 is rotatably connected to an inner wall of one side of the storage tank 5, an elastic ferrule 30 is bonded to an inner wall of the annular sliding seat 31, a support ring 29 is bonded to a middle position of the elastic ferrule 30, an operation rod 4 is slidably connected to the support ring 29, an operation panel 3 is fixed to an outer wall of one end of the operation rod 4 through a bolt, and a scraping portion for scraping impurities is arranged at the other end of the operation rod 4; through setting up action bars 4, scraping the isotructure of portion, can scrape solid impurity in 1 to reinforced concrete through the scraping portion of 3 control action bars 4 one ends of operation panel to utilize the delivery pipe discharge, promoted the practicality.
To facilitate cleaning of the inner wall of the storage tank 5; as shown in fig. 7 and 9, the scraping part includes a main scraping plate 36 and an auxiliary scraping plate 39, the main scraping plate 36 is fixed on the outer wall of one end of the operating rod 4 through bolts, the auxiliary scraping plates 39 are integrally arranged on both sides of the main scraping plate 36, the outer wall of one side of each of the two auxiliary scraping plates 39 is respectively provided with a first open slot 37 and a second open slot 38, and the first open slots 37 and the second open slots 38 are arranged in a staggered manner; can scrape the storage jar 5 interior solid impurity through setting up main scraper 36 and vice scraper blade 39 to utilize vice scraper blade 39 to clear up storage jar 5 circumference inner wall through rotatory mode, owing to set up first fluting 37 and second fluting 38, can reduce the resistance when rotatory, and promote and strike off the effect, and first fluting 37 and second fluting 38 are crisscross and distribute, eliminated the clearance blind area, the clearance scope has been ensured, more thorough of clearance.
In order to facilitate the movement of the storage tank 5; as shown in fig. 10, hollow seats 27 are welded on two sides of the supporting frame 28, the inner wall of each hollow seat 27 is connected with an adjusting knob 43 through a thread, the outer wall of the bottom end of each adjusting knob 43 is rotatably connected with a rotating block 42, and a universal wheel 40 is mounted at the bottom of each rotating block 42 through a universal wheel mounting seat 41; the size of the universal wheel 40 is smaller than the inner diameter of the hollow seat 27; through setting up adjusting knob 43, hollow seat 27 and universal wheel 40 isotructure, can be according to actual conditions, control the lift of universal wheel 40 through rotatory adjusting knob 43 to be convenient for remove and fixed storage jar 5, promoted the practicality.
Example 3:
a construction method of a vapor-liquid flow collecting device outside an oil well, as shown in figures 1-10, comprising the following steps:
s1: digging a construction cavity outside the casing 2 of the wellhead;
s2: sleeving the split sheath 14 on the outer side of the sleeve 2, so as to prevent the split sheath 14 from contacting with the sleeve 2 and reserve an annular channel for vapor and liquid to pass through;
s3: paving a gravel layer 15 at the bottom of the construction cavity;
s4: binding a reinforcing mesh on site, fixing the split type hoop 19 outside the casing 2, and fixing the conveying manifold 8;
s5: inserting a forming die into a crack between the split type hoop 19 and the sleeve 2, and performing concrete construction to prepare reinforced concrete 1;
s6: taking out the moulding bed after the concrete is solidified;
s7: winding a graphite packing 18 on the outer side of the sleeve 2, and plugging the graphite packing into a gap between the split type hoop 19 and the sleeve 2;
s8: two split hoop type pressing blocks 16 are inserted between the top of the split hoop 19 and the casing 2, the split hoop type pressing blocks 16 are fixed on the split hoop 19 through fastening bolts 20, and sealing is performed by utilizing the deformation of a graphite packing 18;
s9: and connecting the conveying manifold 8 into a vapor-liquid collecting system to finish construction.
The mould comprises two symmetrical split mould main bodies 24, a lifting rod 23 is arranged at the top of each split mould main body 24, and the side wall of the bottom of each split mould main body 24 is matched with the shape of the first guide inclined plane 21; through setting up the child mould, can play the effect that the group separates in reinforced concrete 1's concrete construction step, reserve the inside space of split type clamp 19, do benefit to subsequent installation, promote the reliability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is defined by the claims and their equivalents, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides an oil well outer vapour-liquid mass flow device, includes sets up in reinforced concrete (1) in the sleeve pipe (2) outside, its characterized in that, reinforced concrete (1) bottom is buried underground in the subsurface, and reinforced concrete (1) below is provided with metalling (15), reinforced concrete (1) bottom central point puts and is provided with split sheath (14), and split sheath (14) cover is in the sleeve pipe (2) outside, and the internal diameter of split sheath (14) is greater than the external diameter of sleeve pipe (2), be provided with split packing subassembly (11) between reinforced concrete (1) top central point and sleeve pipe (2), split packing subassembly (11) include two split clamps (19) and two split clamp type briquetting (16), split clamp (19) outer wall is fixed with arc chimb (17), and the top surface of split clamp (19) flushes with reinforced concrete (1) top surface, two split hoops (19) are symmetrically arranged on the outer side of the sleeve (2), two rectangular channels are reserved between the two split hoops (19), a first guide inclined plane (21) is arranged on one side, close to the sleeve (2), of each split hoop (19), two split hoop type pressing blocks (16) are symmetrically arranged on two sides of the sleeve (2), the bottoms of the split hoop type pressing blocks (16) are inserted into gaps between the two split hoops (19) and the sleeve (2), the splicing surfaces of the two split hoop type pressing blocks (16) and the two rectangular channels are arranged in a staggered mode, the body of the reinforced concrete (1) is filled into the rectangular channels, a second guide inclined plane (22) is arranged at the bottom of each split hoop type pressing block (16), and a graphite packing (18) is wound between the second guide inclined plane (22), the first guide inclined plane (21) and the outer wall of the sleeve (2) in an elastic deformation mode, the split hoop type pressure block (16) is detachably mounted at the top of the split hoop type clamp (19) through a fastening bolt (20), a cavity is formed between the reinforced concrete (1) and the sleeve (2), a conveying manifold (8) is arranged in the reinforced concrete (1), two ends of the conveying manifold (8) are respectively located on the outer side of the reinforced concrete (1) and in the cavity, and a gap between the split sheath (14) and the sleeve (2) is communicated with the conveying manifold (8) through the cavity.
2. The vapor-liquid flow collecting device outside the oil well as defined in claim 1, characterized in that a storage tank (5) is connected to one end of the delivery manifold (8), a support frame (28) is arranged at the bottom of the storage tank (5), a discharge pipe is arranged on the outer wall of the bottom of one end of the storage tank (5), and a discharge valve body for controlling the on-off of the discharge pipe is arranged on the discharge pipe.
3. The vapor-liquid flow collecting device outside the oil well as defined in claim 2, characterized in that the outer wall of one side of the conveying manifold (8) is provided with a fixing frame (13) for fixing the conveying manifold (8), one conveying manifold (8) is provided with a pressure gauge (10) and an electric control valve (9), a pressure sensor is arranged in the conveying manifold (8), the vapor-liquid flow collecting device outside the oil well further comprises a control unit, the control unit is electrically connected with the pressure sensor and the electric control valve (9), and the other conveying manifold (8) is provided with a manual discharge valve (12).
4. The construction method of the vapor-liquid flow collecting device outside the oil well is characterized by comprising the following steps of:
s1: a construction cavity is dug at the outer side of a casing (2) of a wellhead;
s2: sleeving the split type sheath (14) on the outer side of the sleeve (2) to prevent the split type sheath (14) from contacting with the sleeve (2) and reserve an annular channel for vapor and liquid to pass through;
s3: paving a gravel layer (15) at the bottom of the construction cavity;
s4: binding a reinforcing mesh on site, fixing a split type hoop (19) outside the casing (2) and fixing a conveying manifold (8);
s5: inserting the moulding bed into a crack between the split type hoop (19) and the sleeve (2) to carry out concrete construction, and preparing reinforced concrete (1);
s6: taking out the moulding bed after the concrete is solidified;
s7: a graphite packing (18) is wound on the outer side of the sleeve (2) and plugged into a gap between the split type hoop (19) and the sleeve (2);
s8: two split hoop type pressing blocks (16) are inserted between the top of the split hoop (19) and the sleeve (2), the split hoop type pressing blocks (16) are fixed on the split hoop (19) through fastening bolts (20), and the graphite packing (18) is used for sealing;
s9: and connecting the conveying manifold (8) into a vapor-liquid collecting system to finish construction.
5. The construction method of the vapour-liquid flow collecting device outside the oil well is characterized in that the moulding bed comprises two symmetrical split moulding bed main bodies (24), the top of each split moulding bed main body (24) is provided with a lifting rod (23), and the bottom side wall of each split moulding bed main body (24) is matched with the shape of the first guide inclined surface (21).
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| CN202111216343.8A CN113818829B (en) | 2021-10-19 | 2021-10-19 | External vapor-liquid current collecting device for oil well and construction method thereof |
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| CN202111216343.8A CN113818829B (en) | 2021-10-19 | 2021-10-19 | External vapor-liquid current collecting device for oil well and construction method thereof |
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| CN113818829B CN113818829B (en) | 2023-06-06 |
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| US5377748A (en) * | 1993-09-23 | 1995-01-03 | Pool Company | Spill container for wells with improved mounting |
| CN202731824U (en) * | 2012-07-29 | 2013-02-13 | 中国石油化工股份有限公司 | Annular mud flow guide device for steam injection wellhead |
| CN103233697A (en) * | 2013-04-26 | 2013-08-07 | 中国石油天然气股份有限公司 | Oil well mouth blowout preventing device |
| CN205025404U (en) * | 2015-08-24 | 2016-02-10 | 中国石油天然气股份有限公司 | Gland subassembly is prevented spouting by sealed ware of beam -pumping unit well head |
| CN208430985U (en) * | 2018-06-13 | 2019-01-25 | 上海勇通市政工程维护有限公司 | A kind of cementing wellhead sealing device |
| CN110685631A (en) * | 2019-10-17 | 2020-01-14 | 中国海洋石油集团有限公司 | Sealing device for oil field well head conduit and casing pipe annulus |
| CN212359702U (en) * | 2020-05-21 | 2021-01-15 | 盘锦承成科技开发有限公司 | Anti-splashing device for bottom of oil production well head |
-
2021
- 2021-10-19 CN CN202111216343.8A patent/CN113818829B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377748A (en) * | 1993-09-23 | 1995-01-03 | Pool Company | Spill container for wells with improved mounting |
| CN202731824U (en) * | 2012-07-29 | 2013-02-13 | 中国石油化工股份有限公司 | Annular mud flow guide device for steam injection wellhead |
| CN103233697A (en) * | 2013-04-26 | 2013-08-07 | 中国石油天然气股份有限公司 | Oil well mouth blowout preventing device |
| CN205025404U (en) * | 2015-08-24 | 2016-02-10 | 中国石油天然气股份有限公司 | Gland subassembly is prevented spouting by sealed ware of beam -pumping unit well head |
| CN208430985U (en) * | 2018-06-13 | 2019-01-25 | 上海勇通市政工程维护有限公司 | A kind of cementing wellhead sealing device |
| CN110685631A (en) * | 2019-10-17 | 2020-01-14 | 中国海洋石油集团有限公司 | Sealing device for oil field well head conduit and casing pipe annulus |
| CN212359702U (en) * | 2020-05-21 | 2021-01-15 | 盘锦承成科技开发有限公司 | Anti-splashing device for bottom of oil production well head |
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|---|---|
| CN113818829B (en) | 2023-06-06 |
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