CN217300550U - Water injection device for oil exploitation well - Google Patents

Water injection device for oil exploitation well Download PDF

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Publication number
CN217300550U
CN217300550U CN202220463927.9U CN202220463927U CN217300550U CN 217300550 U CN217300550 U CN 217300550U CN 202220463927 U CN202220463927 U CN 202220463927U CN 217300550 U CN217300550 U CN 217300550U
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CN
China
Prior art keywords
water injection
sleeve
connecting rod
shaped board
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202220463927.9U
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Chinese (zh)
Inventor
郝晓练
梁利娟
陈鹏
李娜
张�杰
罗丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yandan Oilfield Co ltd Zhidan Oil Production Plant
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Yandan Oilfield Co ltd Zhidan Oil Production Plant
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Application filed by Yandan Oilfield Co ltd Zhidan Oil Production Plant filed Critical Yandan Oilfield Co ltd Zhidan Oil Production Plant
Priority to CN202220463927.9U priority Critical patent/CN217300550U/en
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Publication of CN217300550U publication Critical patent/CN217300550U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

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Abstract

The utility model provides a water injection device for oil development well, including inlet tube, water injection pipe and backflow prevention mechanism, inlet tube and water injection pipe all communicate with backflow prevention mechanism, and backflow prevention mechanism installs on the support frame. The backflow preventing mechanism comprises a sleeve, a piston, an installation rod and a connecting rod, the piston is arranged in the sleeve, the water inlet pipe and the water injection pipe are communicated with the sleeve, a first one-way valve is installed between the water injection pipe and the sleeve, a second one-way valve is installed between the water inlet pipe and the sleeve, one end of the installation rod is connected with the piston, the other end of the installation rod is connected with the connecting rod through an installation mechanism, and the other end of the connecting rod is connected with a driving mechanism. The backflow preventing mechanism can avoid the backflow condition when normal water injection operation is carried out, and meanwhile, the piston can be conveniently replaced when worn after being used for a long time by utilizing the mounting mechanism, so that the normal water injection operation is ensured.

Description

Water injection device for oil exploitation well
Technical Field
The utility model belongs to the technical field of oil development, concretely relates to water injection device for oil development well.
Background
Petroleum is a fluid mineral buried underground deeply, a large amount of water separated from crude oil produced by petroleum extraction after dehydration treatment is called as oil field wastewater, the treatment modes of the oil extraction wastewater are roughly three, the oil extraction wastewater is reinjected into a stratum, is discharged into the ground surface or soil and is recycled, the oil extraction wastewater reinjected into the stratum can play a certain pressure balance role on the bottom layer, resources can be reasonably utilized, and the method is a method with more use.
Most of existing water injection devices for oil exploitation wells adopt water pumps to directly inject water, and in the water injection process, due to the fact that underground pressure is too large, water cannot be effectively injected into the wells or even backflow is caused easily, so that certain limitations are achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water injection device for oil development well overcomes the above-mentioned technical problem who exists among the prior art.
Therefore, the utility model provides a technical scheme as follows:
the utility model provides a water injection device for oil development well, includes inlet tube, water injection pipe and backflow prevention mechanism, inlet tube and water injection pipe all communicate with backflow prevention mechanism, backflow prevention mechanism installs on the support frame.
The backflow prevention mechanism comprises a sleeve, a piston, an installation rod and a connecting rod, wherein the piston is arranged in the sleeve, the water inlet pipe and the water injection pipe are communicated with the sleeve, a first one-way valve is installed between the water injection pipe and the sleeve, a second one-way valve is installed between the water inlet pipe and the sleeve, one end of the installation rod is connected with the piston, the other end of the installation rod is connected with the connecting rod through an installation mechanism, and the other end of the connecting rod is connected with a driving mechanism.
The support frame includes bottom plate, backup pad and roof, the backup pad is two and the symmetry sets firmly on the bottom plate, the top of backup pad is located to the roof, the sleeve passes through the dead lever and is connected with the roof.
The driving mechanism comprises a motor and a reciprocating lead screw, the output end of the motor is connected with the reciprocating lead screw, the reciprocating lead screw is in threaded connection with a sliding block, and the connecting rod is connected with the sliding block.
A strip-shaped hole is formed in the top plate, the connecting rod penetrates through the strip-shaped hole and then is connected with the driving mechanism, and the driving mechanism is arranged below the top plate.
Installation mechanism includes first U-shaped board, second U-shaped board and gag lever post, first U-shaped board opening up, first U-shaped board is connected with the top of connecting rod, the installation pole is located on the gag lever post, second U-shaped board links firmly with first U-shaped board side with first U-shaped board is perpendicular and the opening, the gag lever post passes in proper order and is connected with the pull ring behind first U-shaped board and the second U-shaped board, the cover is equipped with stopper and spring on the gag lever post, the stopper is located on the second U-shaped inboard wall, the spring both ends link firmly with the opposite side inner wall of stopper and second U-shaped board respectively.
The utility model has the advantages that:
the utility model provides a water injection device for oil development well adopts backflow prevention mechanism can avoid appearing the condition of backward flow when carrying out normal water injection operation, utilizes installation mechanism simultaneously, can be convenient for change it when wearing and tearing appear after the piston uses for a long time to guarantee the normal clear of water injection operation.
This water injection device for oil development well can simplify the installation and the dismantlement process to the installation pole through setting up installation mechanism to can change it when the piston wearing and tearing appear. Wherein, the spring in the installation mechanism can extrude the stopper through the elasticity of spring when there is not exogenic action to make the gag lever post keep the grafting state with the jack all the time, avoid gag lever post and installation pole separation.
The following will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the connection structure of the first U-shaped plate and the mounting mechanism of FIG. 1 from the right.
In the figure: 1. a base plate; 2. a sleeve; 3. a support plate; 4. a top plate; 5. fixing the rod; 6. a connecting rod; 7. a first U-shaped plate; 8. a piston; 9. mounting a rod; 10. a first check valve; 11. a second one-way valve; 12. a water injection pipe; 13. a water inlet pipe; 14. a motor; 15. a rotating rod; 16. a reciprocating screw rod; 17. a slider; 18. a second U-shaped plate; 19. a limiting rod; 20. a limiting block; 21. a spring; 22. a pull ring; 23. and (4) strip-shaped holes.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of fully and completely disclosing the present invention and fully communicating the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same unit/element is denoted by the same reference numeral.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Example 1:
the embodiment provides a water injection device for oil development well, including inlet tube 13, water injection pipe 12 and anti-return mechanism, inlet tube 13 and water injection pipe 12 all communicate with anti-return mechanism, anti-return mechanism installs on the support frame.
The utility model provides a water injection device for oil development well adopts backflow prevention mechanism can avoid appearing the backward flow when carrying out normal water injection operation.
Example 2:
on the basis of embodiment 1, this embodiment provides a water injection device for oil recovery well, as shown in fig. 1, backflow prevention mechanism includes sleeve 2, piston 8, installation pole 9 and connecting rod 6, piston 8 is located in sleeve 2, inlet tube 13 and water injection pipe 12 all communicate with sleeve 2, install first check valve 10 between water injection pipe 12 and the sleeve 2, install second check valve 11 between inlet tube 13 and the sleeve 2, installation pole 9 one end is connected with piston 8, the installation pole 9 other end is connected with connecting rod 6 through installation mechanism, the connecting rod 6 other end is connected with actuating mechanism.
The driving mechanism drives the piston 8 to move through the mounting rod 9, water is pumped into the sleeve 2 through the water inlet pipe 13 and the second one-way valve 11 in the movement process of the piston 8, water is discharged through the first one-way valve 10 and the water injection pipe 12, and backflow can be avoided.
Example 3:
on the basis of embodiment 2, this embodiment provides a water injection device for oil development well, the support frame includes bottom plate 1, backup pad 3 and roof 4, backup pad 3 is two and the symmetry sets firmly on bottom plate 1, the top of backup pad 3 is located to roof 4, sleeve 2 is connected with roof 4 through dead lever 5.
As shown in fig. 1, the support frame can provide a support for the backflow prevention mechanism, so as to facilitate installation and use.
Example 4:
on the basis of embodiment 2, this embodiment provides a water injection device for oil development well, actuating mechanism includes motor 14 and reciprocal lead screw, motor 14 output and reciprocal lead screw are connected, reciprocal lead screw threaded connection has slider 17, connecting rod 6 is connected with slider 17.
As shown in figure 1, when the water injection device is used, the motor 14 is started, the output end of the motor 14 drives the reciprocating screw rod 16 to rotate, the reciprocating screw rod 16 drives the sliding block 17 to reciprocate while rotating, the sliding block 17 drives the piston 8 to move through the connecting rod 6, water is pumped into the sleeve 2 through the water inlet pipe 13 and the second one-way valve 11 in the moving process of the piston 8 and is discharged through the first one-way valve 10 and the water injection pipe 12 to avoid the backflow situation,
example 5:
on the basis of embodiment 3, this embodiment provides a water injection device for oil development well, strip hole 23 has been seted up on roof 4, connecting rod 6 passes behind the strip hole 23 and is connected with actuating mechanism, actuating mechanism locates the roof 4 below.
In this embodiment, the driving mechanism drives the connecting rod 6 to reciprocate in the strip-shaped hole 23; the driving mechanism comprises a motor 14, a rotating rod 15 and a reciprocating screw rod 16, the motor 14 is fixedly arranged on the side wall of one of the supporting plates 3, the rotating rod 15 and the reciprocating screw rod 16 are fixedly connected and installed below the top plate 4, the rod wall of one end, back to the back, of the rotating rod 15 and the reciprocating screw rod 16 is respectively and rotatably connected with the corresponding supporting plate 3 through a bearing, and one end of the reciprocating screw rod 16 penetrates through the corresponding supporting plate 3 and is fixedly connected with the output end of the motor 14. The water injection device for the oil exploitation well can reduce the occupied area.
Example 6:
on the basis of embodiment 2, this embodiment provides an oil development well water injection device, installation mechanism includes first U-shaped plate 7, second U-shaped plate 18 and gag lever post 19, first U-shaped plate 7 opening up, first U-shaped plate 7 is connected with the top of connecting rod 6, installation pole 9 is located on gag lever post 19, second U-shaped plate 18 links firmly with first U-shaped plate 7 perpendicular and opening and first U-shaped plate 7 side, gag lever post 19 is connected with pull ring 22 after passing first U-shaped plate 7 and second U-shaped plate 18 in proper order, the cover is equipped with stopper 20 and spring 21 on the gag lever post 19, stopper 20 is located on the second U-shaped plate 18 inside wall, the spring 21 both ends link firmly with the opposite side inner wall of stopper 20 and second U-shaped plate 18 respectively.
As shown in fig. 2, the limiting block 20 is fixedly sleeved on the rod wall of the limiting rod 19, the spring 21 is movably arranged on the rod wall of the limiting rod 19 in a penetrating manner, two ends of the spring 21 are respectively fixedly connected with the limiting block 20 and the second U-shaped plate 18, and the limiting block 20 can be extruded by the elasticity of the spring 21 when no external force is applied by utilizing the arranged spring 21, so that the limiting rod 19 always keeps the inserting state with the inserting hole, and the separation of the limiting rod 19 and the installation rod 9 is avoided.
The right-hand member fixedly connected with pull ring 22 of gag lever post 19 can utilize pull ring 22 to pull gag lever post 19 motion when needing to dismantle installation pole 9 so that change piston 8 to make gag lever post 19 and installation pole 9 separation.
Example 7:
on the basis of embodiment 1, the embodiment provides a water injection device for oil exploitation wells, as shown in fig. 1, comprising a bottom plate 1 and a sleeve 2, wherein two support plates 3 are symmetrically and fixedly arranged on the upper surface of the bottom plate 1, a top plate 4 with a strip-shaped hole 23 formed therein is fixedly connected to the tops of the two support plates 3, the lower side of the sleeve 2 is fixedly connected to the upper surface of the top plate 4 through two fixing rods 5, a backflow prevention mechanism is fixedly connected to the side wall of the sleeve 2, a driving mechanism is fixedly arranged between the two support plates 3 and a connecting rod 6 is fixedly connected thereto through the driving mechanism, the connecting rod 6 is slidably arranged in the strip-shaped hole 23 and is fixedly connected to a first U-shaped plate 7 at the upper end thereof, a piston 8 is movably sleeved in the sleeve 2, a mounting rod 9 is fixedly connected to one side of the piston 8, one end of the mounting rod 9, which is located outside the sleeve 2, is fixedly arranged in the first U-shaped plate 7 through the mounting mechanism, utilize anti-return mechanism and actuating mechanism, can carry out normal water injection operation at actuating mechanism during operation, avoid the condition that the backward flow appears, utilize installation mechanism simultaneously, can be convenient for change it when wearing and tearing appear after piston 8 uses for a long time to guarantee the normal clear of water injection operation.
Backflow prevention mechanism includes first check valve 10 and second check valve 11, first check valve 10 is fixed to be set up in the left end of sleeve 2 and to be linked together with sleeve 2's inside, second check valve 11 is fixed to be set up in sleeve 2's left end upper side and to be linked together with sleeve 2's inside, the left end fixedly connected with water injection pipe 12 of first check valve 10, the upper end fixedly connected with inlet tube 13 of second check valve 11, utilize the first check valve 10 that sets up, can avoid the condition of backward flow to appear when the water injection, so that guarantee the normal clear of water injection operation.
Actuating mechanism includes motor 14, bull stick 15 and reciprocal lead screw 16, motor 14 is fixed to be set up in the lateral wall of one of them backup pad 3, bull stick 15 and reciprocal lead screw 16 fixed connection, bull stick 15 and the one end pole wall that reciprocal lead screw 16 carried on the back mutually rotate through bearing and corresponding backup pad 3 respectively and be connected, reciprocal lead screw 16 one end run through corresponding backup pad 3 and with motor 14's output fixed connection, reciprocal lead screw 16's pole wall thread bush is equipped with slider 17, the lower extreme and the slider 17 fixed connection of connecting rod 6, utilize the scalability of connecting rod 6 can make first U-shaped board 7 and installation pole 9 dislocation when needs are dismantled installation pole 9, thereby be convenient for dismantle it.
Installation mechanism includes second U-shaped plate 18 and gag lever post 19, second U-shaped plate 18 is fixed to be set up in the rear side of first U-shaped plate 77 and inside and has seted up first through-hole, the left side of second U-shaped plate 18, the second through-hole has been seted up respectively to the inside of right side board, the jack has been seted up inside the right-hand member of installation pole 9, gag lever post 19 activity is worn to locate the inside of first through-hole and two second through-holes and with the jack between the activity grafting, utilize the activity grafting between gag lever post 19 and the jack, can realize the fixed mounting to installation pole 9, so that can drive when actuating mechanism during operation through installation pole 9 drive piston 8 motion, simultaneously can appear wearing and tearing when long-time the use of piston 8 and be convenient for it to change.
The fixed stopper 20 that has cup jointed of pole wall of gag lever post 19, spring 21 is worn to be equipped with in the pole wall activity of gag lever post 19, spring 21's both ends respectively with stopper 20 and second U-shaped board 18 fixed connection, utilize the spring 21 that sets up, can extrude stopper 20 through spring 21's elasticity when there is not the exogenic action to make gag lever post 19 remain the grafting state with the jack all the time, avoid gag lever post 19 and installation pole 9 separation.
The right end fixedly connected with pull ring 22 of gag lever post 19 can utilize pull ring 22 to pull gag lever post 19 motion when needing to dismantle installation pole 9 so that change piston 8 to make gag lever post 19 and installation pole 9 separate.
The utility model discloses in, during the use, starter motor 14, motor 14's output drives reciprocal lead screw 16 and rotates, drive slider 17 reciprocating motion in the time of reciprocal lead screw 16 pivoted, slider 17 drives first U-shaped plate 7 motion through connecting rod 6, first U-shaped plate 7 drives installation pole 9 motion through installation mechanism, installation pole 9 drives piston 8 motion, the in-process of piston 8 motion is taken out water to sleeve 2's inside and through first check valve 10 and the water injection pipe 12 water injection through inlet tube 13 and second check valve 11, can avoid appearing the condition of backward flow, when the condition of wearing and tearing appears after piston 8 uses for a long time, pulling pull ring 22, pull ring 22 drives gag lever post 19 and shifts out from the inside of jack, thereby can be convenient for take out installation pole 9, and then be convenient for change piston 8.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims (5)

1. A water injection device for an oil exploitation well comprises a water inlet pipe, a water injection pipe and a backflow prevention mechanism, wherein the water inlet pipe and the water injection pipe are both communicated with the backflow prevention mechanism, and the backflow prevention mechanism is installed on a support frame;
the backflow prevention mechanism comprises a sleeve, a piston, an installation rod and a connecting rod, wherein the piston is arranged in the sleeve, the water inlet pipe and the water injection pipe are communicated with the sleeve, a first one-way valve is installed between the water injection pipe and the sleeve, a second one-way valve is installed between the water inlet pipe and the sleeve, one end of the installation rod is connected with the piston, the other end of the installation rod is connected with the connecting rod through an installation mechanism, and the other end of the connecting rod is connected with a driving mechanism.
2. The water injection device for the oil exploitation well according to claim 1, wherein: the support frame includes bottom plate, backup pad and roof, the backup pad is two and the symmetry sets firmly on the bottom plate, the top of backup pad is located to the roof, the sleeve passes through the dead lever and is connected with the roof.
3. The water injection device for the oil exploitation well according to claim 1, wherein: the driving mechanism comprises a motor and a reciprocating lead screw, the output end of the motor is connected with the reciprocating lead screw, the reciprocating lead screw is in threaded connection with a sliding block, and the connecting rod is connected with the sliding block.
4. The water injection device for the oil exploitation well according to claim 2, wherein: a strip-shaped hole is formed in the top plate, the connecting rod penetrates through the strip-shaped hole and then is connected with the driving mechanism, and the driving mechanism is arranged below the top plate.
5. The water injection device for the oil exploitation well according to claim 1, wherein: installation mechanism includes first U-shaped board, second U-shaped board and gag lever post, first U-shaped board opening up, first U-shaped board is connected with the top of connecting rod, the installation pole is located on the gag lever post, the second U-shaped board links firmly with first U-shaped board side with first U-shaped board is perpendicular and opening, the gag lever post passes in proper order and is connected with the pull ring behind first U-shaped board and the second U-shaped board, the cover is equipped with stopper and spring on the gag lever post, the stopper is located on the second U-shaped inboard wall, the spring both ends link firmly with the opposite side inner wall of stopper and second U-shaped board respectively.
CN202220463927.9U 2022-03-05 2022-03-05 Water injection device for oil exploitation well Expired - Fee Related CN217300550U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220463927.9U CN217300550U (en) 2022-03-05 2022-03-05 Water injection device for oil exploitation well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220463927.9U CN217300550U (en) 2022-03-05 2022-03-05 Water injection device for oil exploitation well

Publications (1)

Publication Number Publication Date
CN217300550U true CN217300550U (en) 2022-08-26

Family

ID=82934804

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220463927.9U Expired - Fee Related CN217300550U (en) 2022-03-05 2022-03-05 Water injection device for oil exploitation well

Country Status (1)

Country Link
CN (1) CN217300550U (en)

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Granted publication date: 20220826