Water injection well head with filtering capability
Technical Field
The utility model relates to an oil field water injection technical field specifically is a water injection well head with filtering capability.
Background
The water injection well head is mainly used for injecting water to an oil layer, and in the process of oil field development, water is injected into an oil reservoir through a special water injection well to maintain or recover the pressure of the oil layer, so that the oil reservoir has stronger driving force to improve the exploitation speed and the recovery ratio of the oil reservoir;
at present, the existing water injection well head is lack of a filtering assembly in the actual water injection process, so that impurities and dirt in the water body are easy to directly enter an inner pipeline of the well head after the water body is injected, the pipeline is easy to block, and the labor intensity of manual cleaning is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water injection well head with filtering capability can effectively solve the current water injection well head that proposes in the above-mentioned background art because lack filterable subassembly at actual water injection in-process, lead to in water its inside impurity and the easy inside pipeline that directly enters into the well head of filth after pouring into, and then easily cause the jam to the pipeline, increased the intensity of labour's of artifical clearance problem.
In order to achieve the above object, the utility model provides a following technical scheme: a water injection well mouth with a filtering function comprises a lower four-way body, wherein the top of the lower four-way body is connected with an upper four-way body, one side of the lower four-way body is connected with a water injection pipe, one side of the upper four-way body is connected with a sampling sleeve at the same side with the water injection pipe, the other side of the upper four-way body is connected with an oil pipe at the position corresponding to the sampling sleeve, the bottom end of the oil pipe at one side of the lower four-way body is connected with a vent pipe, one side of the water injection pipe close to the lower four-way body is connected with a water inlet valve, the water injection pipe is fixedly connected with the water inlet valve through a connecting flange, the bottom end of the water injection pipe is connected with a filter box, fastening caulking grooves are respectively arranged at the upper side and the lower side of the inner side of the filter box, an embedded and connected with, the outer side end of the filter box is provided with a sealing groove;
the oil pipe outside top position department installs the protection casing, the protection casing cup joints with oil pipe through the mount pad of its bottom and is connected, through fixed plate fixed connection between mount pad and the oil pipe, the positive top position department of protection casing has seted up the viewing aperture, the oil pipe top is located protection casing inboard position department and installs the manometer.
Preferably, a fastening sealing rubber strip is bonded to the position, located on the inner side of the fastening caulking groove, of the edge portion of the embedded pulling plate.
Preferably, the caulking groove that the water injection pipe diameter equals is seted up to installation deckle inboard middle-end, and the filter screen inlays in the caulking groove, the closing plate is installed to the inside embedding of seal groove, installation screw has all been seted up at inside each edge of seal groove, and is connected through screw and installation screw between closing plate and the seal groove.
Preferably, the inside of the observation port is embedded with a transparent glass plate, and the transparent glass plate is fixedly bonded with the observation port through waterproof glue.
The sampling device is characterized in that a sampling opening is formed in one side edge of the sampling sleeve, a supporting plate is arranged at a position right below the bottom of the sampling opening, the supporting plate is connected with the sampling sleeve in a sleeved mode through a mounting hoop, the mounting hoop is fixedly connected with the sampling sleeve through a fixing bolt, and a cleaning rubber pad is bonded in the supporting plate in an embedded mode.
Preferably, the fixing bolt penetrates through the mounting hoop, and an arc-shaped chuck is welded at the inner end of the fixing bolt.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:
1. the plate, the installation frame plate, the filter screen and the sealing groove are drawn through the filter box, the fastening caulking groove and the embedded part to filter the injected water, so that impurities doped in the water body are filtered, the impurities are prevented from entering the well opening, the pipeline is blocked, the filter screen is easy to detach, and the impurities are cleaned more conveniently.
2. Can protect the outside of manometer through protection casing, mount pad, fixed plate and viewing aperture, and then avoid the manometer directly to expose outside when using, lead to its ageing and damage with higher speed, further prevent that the unable phenomenon of observing from appearing in the manometer surface, the protection casing is easily installed and is dismantled simultaneously, easy and simple to handle.
3. Through sample connection, layer board, installation hoop, fixing bolt and clearance cushion can be convenient for carry out the bearing with the sample container and place when the staff sample, and then reduced the degree of difficulty of sample, liquid produces the phenomenon of overflow and leaking when avoiding the sample simultaneously, and the mounted position of layer board is adjustable, and then the sample container of the different specifications of being convenient for is placed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the installation structure of the filtering box of the present invention;
FIG. 3 is a schematic view of the installation structure of the protective cover of the present invention;
FIG. 4 is a schematic view of the mounting structure of the pallet of the present invention;
reference numbers in the figures: 1. a lower tetrapod; 2. an upper four-way body; 3. a water injection pipe; 4. a sampling cannula; 5. an oil pipe; 6. an emptying pipe; 7. a water inlet valve; 8. a connecting flange; 9. a filter box; 10. fastening the caulking groove; 11. embedding and pulling the plate; 12. installing a frame plate; 13. a filter screen; 14. a sealing groove; 15. a protective cover; 16. a mounting seat; 17. a fixing plate; 18. a viewing port; 19. a pressure gauge; 20. a sampling port; 21. a support plate; 22. installing a hoop; 23. fixing the bolt; 24. and cleaning the rubber mat.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1-4, the utility model provides a technical scheme, a water injection well head with filtering function, which comprises a lower four-way body 1, the top of the lower four-way body 1 is connected with an upper four-way body 2, one side of the lower four-way body 1 is connected with a water injection pipe 3, one side of the upper four-way body 2 is connected with a sampling sleeve 4 at the same side of the water injection pipe 3, the other side of the upper four-way body 2 is connected with an oil pipe 5 at the position corresponding to the sampling sleeve 4, the bottom end of the oil pipe 5 is connected with a vent pipe 6 at one side of the lower four-way body 1, one side of the water injection pipe 3 is connected with a water inlet valve 7 near the lower four-way body 1, the water injection pipe 3 is fixedly connected with the water inlet valve 7 through a connecting flange 8, the bottom end of the water injection pipe 3 is connected with a filter box 9, fastening caulking grooves 10 are respectively arranged at the upper and lower positions inside the filter box 9, an embedded drawing plate 11, make the gomphosis take out and possess higher inseparability after the plug-in connection between board 11 and the fastening caulking groove 10, the gomphosis is taken out the inside embedding of board 11 and is installed installation deckle 12, the inboard middle-end embedding of installation deckle 12 bonds and has had filter screen 13, filter box 9 outside limit end has seted up seal groove 14, the inboard middle-end of installation deckle 12 has seted up the caulking groove that 3 diameters of water injection pipe equal, and filter screen 13 inlays in the caulking groove, be convenient for the installation between filter screen 13 and the installation deckle 12, the inside embedding of seal groove 14 has installed the closing plate, the inside each edge of seal groove 14 has all seted up the installation screw, and be connected through screw and installation screw between closing plate and the seal groove 14, be convenient for the erection joint between closing plate and the seal groove 14, make filter box 9 outside possess higher.
Protection casing 15 is installed to 5 outside top positions of oil pipe department, protection casing 15 cup joints with oil pipe 5 through the mount pad 16 of its bottom and is connected, through fixed plate 17 fixed connection between mount pad 16 and the oil pipe 5, protection casing 15 openly top position department has seted up viewing aperture 18, 15 inboard positions of protection casing department of being located at the top of oil pipe 5 installs manometer 19, the transparent glass board is installed to 18 inside imbeds of viewing aperture, and through the fixed bonding of waterproof glue between transparent glass board and the viewing aperture 18, make things convenient for the staff to come the numerical value of the inside manometer 19 of direct observation protection casing 15 through viewing aperture 18.
Sampling opening 20 has been seted up to one side limit portion of sample sleeve 4, position department is provided with layer board 21 under sampling opening 20 bottoms, cup joint through installation hoop 22 between layer board 21 and the sample sleeve 4 and be connected, through fixing bolt 23 fixed connection between installation hoop 22 and the sample sleeve 4, fixing bolt 23 runs through in installation hoop 22, and the welding of fixing bolt 23 medial extremity has the arc (holding) chuck, be convenient for carry out fixed connection between installation hoop 22 and the sample sleeve 4 through fixing bolt 23, the inside embedding of layer board 21 bonds and has clearance cushion 24.
The utility model discloses a theory of operation and use flow: when the water injection wellhead with the filtering function is used for actual water injection, the water injection pipe 3 is convenient to introduce external water, the water can enter the filter box 9 firstly when entering the water injection pipe 3, the filter screen 13 arranged on the inner side of the mounting frame plate 12 is used for filtering the water when the water enters the filter box 9, impurities doped in the water are filtered, the pipeline inside the wellhead is prevented from being blocked by the impurities, the sealing plate is disassembled when the impurities filtered on the surface of the filter screen 13 need to be cleaned after the filter screen 13 is filtered, then the embedded drawing plate 11 is drawn out of the fastening embedded groove 10, the embedded drawing plate 11 is used for drawing the mounting frame plate 12 out of the filter box 9, and therefore people can clean the impurities on the surface of the filter screen 13 conveniently, and the operation is time-saving, labor-saving and good in cleaning effect;
after the water body is filtered by the filter box 9, the water body can further flow into a wellhead by opening the water inlet valve 7, when the wellhead is in actual use and a worker needs to observe the pressure gauge 19, the displayed numerical value of the pressure gauge 19 can be conveniently observed by people through the observation port 18 on the outer side of the protective cover 15, the outer side of the pressure gauge 19 can form a layer of protection by utilizing the protective cover 15, the pressure gauge 19 is prevented from being directly exposed outside to accelerate aging and abrasion of the pressure gauge 19, and meanwhile, the protective cover 15 is connected with the oil pipe 5 of the fixing plate 17 through the mounting seat 16, so that people can more conveniently detach the protective cover 15;
when the staff need take a sample, only need place sample container in layer board 21 this moment, then open sample connection 20 and can be convenient for people to carry out the sample operation, place sample container with this, the convenience of operation has been improved, and then the sample degree of difficulty has been reduced, layer board 21 is connected with sampling sleeve 4 through installation hoop 22 and fixing bolt 23 in addition, make things convenient for the staff to adjust the mounted position of layer board 21 with this, and then be convenient for place the sample container of co-altitude, application range has been improved, clear up the cushion 24 simultaneously and be convenient for clear up the liquid that will instil into in layer board 21, avoid liquid to produce the phenomenon of overflow leakage.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.