CN215979321U - Safety type underground tubular pressurized oil extraction device - Google Patents
Safety type underground tubular pressurized oil extraction device Download PDFInfo
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- CN215979321U CN215979321U CN202122496725.2U CN202122496725U CN215979321U CN 215979321 U CN215979321 U CN 215979321U CN 202122496725 U CN202122496725 U CN 202122496725U CN 215979321 U CN215979321 U CN 215979321U
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- Prior art keywords
- oil
- main pipe
- pipe body
- sucker rod
- oil pumping
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- 238000000605 extraction Methods 0.000 title claims abstract description 26
- 238000005086 pumping Methods 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 238000011084 recovery Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003129 oil well Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of oil extraction devices, and discloses a safe underground tubular oil extraction device with pressure, which comprises a main pipe body and a sucker rod, wherein the sucker rod is inserted into the top wall surface of the main pipe body, the bottom of the sucker rod penetrates through the top wall surface of the main pipe body and is positioned in the main pipe body, the bottom of the sucker rod is fixedly provided with a sealing plug in interference fit with the interior of the main pipe body, a connecting block communicated with the interior of the main pipe body is fixedly arranged below the outer side wall surface of the main pipe body, and an oil conveying pipe communicated with the interior of the connecting block is fixedly arranged on one side, far away from the main pipe body, of the top wall surface of the connecting block. According to the oil pumping device, the oil pumping block is driven by pressure to move downwards to the inside of the oil pumping hole, the oil pumping hole is sealed by the oil pumping block, oil in the main pipe body enters the inside of the connecting block and is conveyed to the outside from the oil conveying pipe under the action of the pressure, and therefore the purposes of quickly extracting oil and avoiding leakage are achieved.
Description
Technical Field
The utility model relates to the technical field of oil extraction devices, in particular to a safe underground tubular type under-pressure oil extraction device.
Background
The oil extraction method mainly comprises two methods of self-injection oil extraction and artificial lifting. In the development process of the oil well, after the oil well is tested, a proper exploitation mode can be selected according to the physical properties and the pressure of an oil layer of the oil well, and in the actual production, the oil well with good physical properties and high pressure of the oil layer can realize self-injection of oil gas to the ground surface, namely self-injection oil extraction. In an oil well with poor oil reservoir physical property and low pressure, when stratum energy is not enough to lift oil gas to the ground surface, energy needs to be supplemented manually to lift, and an oil extraction device is needed for oil extraction by manual lifting.
The existing oil extraction device in the current market generally extends an oil extraction pipe into an underground oil field, and the oil extraction pipe is easy to leak under the condition of high pressure during oil extraction, so that the oil extraction fails. Therefore, a safe underground tubular type oil extraction device with pressure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems in the prior art and provides a safe underground tubular pressurized oil extraction device.
In order to achieve the purpose, the utility model adopts the following technical scheme that the safe underground tubular pressurized oil extraction device comprises a main pipe body and an oil pumping rod, wherein the oil pumping rod is inserted into the top wall surface of the main pipe body, the bottom of the oil pumping rod penetrates through the top wall surface of the main pipe body and is positioned in the main pipe body, the bottom of the oil pumping rod is fixedly provided with a sealing plug in interference fit with the interior of the main pipe body, a connecting block communicated with the interior of the main pipe body is fixedly arranged below the outer side wall surface of the main pipe body, and an oil conveying pipe communicated with the interior of the connecting block is fixedly arranged on one side, far away from the main pipe body, of the top wall surface of the connecting block, and the safe underground tubular pressurized oil extraction device is characterized in that: the bottom of being responsible for the body has seted up the oil pumping hole, and the oil pumping hole has upwards run through the bottom wall of being responsible for the body and is responsible for the inside mutual intercommunication of the body, and the inside movable mounting of oil pumping hole has the piece of taking out oil, and the inside of oil pumping hole corresponds the position symmetry of the piece of taking out oil and has seted up two mounting grooves, and the inside fixed mounting of mounting groove has spacing spring, the top of two spacing springs respectively with oil pumping hole fixed connection.
Preferably, a sealing plate is fixedly mounted on one side, close to the main pipe body, of the inside of the connecting block, the sealing plate is a rectangular plate with the size equal to that of the inside of the connecting block, and a sealing block is movably mounted on the sealing plate in an embedded mode.
Preferably, the sealing block is a cylindrical plate with a T-shaped cross section, and the sealing block penetrates through the front and rear side walls of the sealing plate.
Preferably, two reset grooves are symmetrically formed in the sealing plate corresponding to the sealing blocks, and reset springs fixedly connected with the sealing blocks are fixedly mounted in the reset grooves.
Preferably, a limiting sleeve is fixedly mounted above the outer side wall of the sucker rod, and a pressurizing spring is arranged between the limiting sleeve and the main pipe body.
Preferably, the booster spring is sleeved on the sucker rod.
Advantageous effects
The utility model provides a safe underground tubular pressurized oil extraction device. The method has the following beneficial effects:
(1) the top of the sucker rod is connected with an external power device, the external power device drives the sucker rod to move up and down, because the bottom of the sucker rod is positioned inside the main pipe body, the bottom of the sucker rod is also provided with a sealing plug, the sealing plug is in interference fit with the inside of the main pipe body, when the sucker rod drives the sealing plug to move up, the sucker rod and the sealing plug can pump oil in an oil field into the inside of the main pipe body through the oil pumping hole, an oil pumping block in the oil pumping hole can move up under the action of suction force, a limiting spring connected with the oil pumping block can be stretched by the movement of the oil pumping block, at the moment, the oil can enter the inside of the main pipe body, when the sucker rod drives the sealing plug to move down, the oil pumping block can be driven by pressure to move down to return to the inside of the oil pumping hole, at the oil pumping hole is sealed by the oil pumping block, the oil in the main pipe body can enter the inside of the connecting block, then is carried the external world from defeated oil pipe under the effect of pressure to reach quick oil recovery and the condition of revealing can not appear.
(2) This oil production device is pressed in tubular area in pit of safe type, when the sucker rod drives the sealing plug downstream production pressure and carries the inside of connecting block with oil, sealed piece will be promoted and tensile reset spring by pressure, oil accessible closing plate gets into the inside of connecting block this moment, when the sucker rod drives the sealing plug upward movement and produces suction, sealed piece will be driven by suction and remove to the direction of being responsible for the body, sealed piece will be spacing by the closing plate this moment, and it is sealed with defeated oil pipe and main pipe body coupling department between closing plate and the sealed piece, the oil in the defeated oil pipe just can't flow back to the inside of being responsible for the body, thereby reached the effect of preventing flowing back.
(3) This oil recovery device is pressed in tubular area in pit of safe type, when external power device drove the sucker rod downstream, the sucker rod also can drive the stop collar downstream simultaneously, the stop collar downstream will with be responsible for the extrusion pressure boost spring between the body, pressure boost spring receives the extrusion and will gather an elasticity, when sucker rod upward movement, pressure boost spring has lost the extrusion and will release elasticity, can drive sucker rod upward movement, just it is littleer just to make external power device drive the sucker rod rebound consumed ground power, the sucker rod upwards resets sooner, thereby make the speed that the sucker rod reciprocated become fast, thereby oil recovery efficiency has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic diagram of a main structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the internal structure of the first and second embodiments of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
fig. 4 is a schematic structural diagram of a third embodiment of the present invention.
Illustration of the drawings:
1. a primary tube; 2. a sucker rod; 3. connecting blocks; 4. an oil delivery pipe; 5. a sealing plug; 6. an oil pumping hole; 7. an oil pumping block; 8. mounting grooves; 9. a limiting spring; 10. a sealing plate; 11. a sealing block; 12. a reset groove; 13. a return spring; 14. a limiting sleeve; 15. and a pressurizing spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: a safe underground tubular pressurized oil extraction device is shown in figures 1-2 and comprises a main pipe body 1 and a sucker rod 2, wherein the main pipe body 1 is of a hollow cylindrical structure, the sucker rod 2 is of a cylindrical structure, the sucker rod 2 is inserted into the top wall surface of the main pipe body 1, the bottom of the sucker rod 2 penetrates through the top wall surface of the main pipe body 1 and is positioned inside the main pipe body 1, the bottom of the sucker rod 2 is fixedly provided with a sealing plug 5, the sealing plug 5 is of an elastic cylindrical structure, the size of the sealing plug 5 is larger than the inner diameter of the main pipe body 1, the sealing plug 5 is in interference fit with the inside of the main pipe body 1, a connecting block 3 is fixedly arranged below the outer side wall surface of the main pipe body 1, the connecting block 3 is a block of a hollow rectangular structure, the connecting block 3 penetrates through the side wall of the main pipe body 1 and is communicated with the inside of the main pipe body 1, and an oil delivery pipe 4 is fixedly arranged on one side, far away from the main pipe body 1, of the top wall surface of the connecting block 3, defeated oil pipe 4 is columniform pipe, defeated oil pipe 4 has run through the top wall of connecting block 3 and the inside intercommunication of connecting block 3, the oil pumping hole 6 has been seted up to the bottom of being responsible for body 1, oil pumping hole 6 upwards has run through the bottom wall of being responsible for body 1 and is responsible for the inside intercommunication each other of body 1, the inside movable mounting of oil pumping hole 6 has oil pumping piece 7, oil pumping piece 7 is the cylindrical structure with 6 looks adaptations of oil pumping hole, two mounting grooves 8 have been seted up to the inside symmetry that corresponds oil pumping piece 7 of oil pumping hole 6, mounting groove 8 is the columniform groove, the inside fixed mounting of mounting groove 8 has spacing spring 9, the top of two spacing springs 9 respectively with 6 fixed connection of oil pumping hole.
When the oil pumping device is used, the top of the oil pumping rod 2 is connected with an external power device, the external power device drives the oil pumping rod 2 to move up and down, because the bottom of the oil pumping rod 2 is positioned inside the main pipe body 1, the bottom of the oil pumping rod 2 is also provided with a sealing plug 5, the sealing plug 5 is in interference fit with the inside of the main pipe body 1, when the oil pumping rod 2 drives the sealing plug 5 to move upwards, the oil in an oil field is pumped into the inside of the main pipe body 1 through the oil pumping hole 6 by the oil pumping rod 2, the oil pumping block 7 in the oil pumping hole 6 moves upwards under the action of suction force, a limiting spring 9 connected with the oil pumping block 7 is stretched by the movement of the oil pumping block 7, at the moment, the oil can enter the inside of the main pipe body 1, when the oil pumping rod 2 drives the sealing plug 5 to move downwards, the oil pumping block 7 is driven by pressure to move downwards to return to the inside of the oil pumping hole 6, at the moment, the oil pumping hole 6 is sealed by the oil pumping block 7, the oil in the main pipe body 1 can enter the inside of the connecting block 3 and then is conveyed to the outside from the oil conveying pipe 4 under the action of pressure, so that the oil can be quickly extracted, and the leakage can not occur.
Example two: on the basis of the first embodiment, as shown in fig. 2-3, a safety type underground tubular pressure oil extraction device, a sealing plate 10 is fixedly installed on one side, close to a main pipe body 1, of the inside of a connecting block 3, the sealing plate 10 is a rectangular plate with the size equal to that of the inside of the connecting block 3, a sealing block 11 is movably installed on the sealing plate 10 in an embedded mode, the sealing block 11 is a cylindrical plate with a T-shaped cross section, the sealing block 11 penetrates through the front side wall and the rear side wall of the sealing plate 10, two reset grooves 12 are symmetrically formed in the sealing plate 10 corresponding to the sealing block 11, and reset springs 13 fixedly connected with the sealing block 11 are fixedly installed inside the reset grooves 12.
When using, when sucker rod 2 drives sealing plug 5 and moves down when producing pressure and carry the inside of connecting block 3 with oil, sealed piece 11 will be promoted and tensile reset spring 13 by pressure, oil accessible closing plate 10 gets into the inside of connecting block 3 this moment, when sucker rod 2 drives sealing plug 5 and moves up when producing suction, sealed piece 11 will be driven by suction and move to the direction of being responsible for body 1, sealed piece 11 will be spacing by closing plate 10 this moment, and it is sealed with defeated oil pipe 4 and be responsible for body 1 junction between closing plate 10 and the sealed piece 11, the oil in the defeated oil pipe 4 just can't flow backward the inside of being responsible for body 1, thereby reached the effect of flowing backward.
Example three: on the basis of the first embodiment, as shown in fig. 4, a safety type downhole tubular pressurized oil extraction device is characterized in that a limiting sleeve 14 is fixedly mounted above the outer side wall of a sucker rod 2, the limiting sleeve 14 is of a circular structure, a pressurizing spring 15 is arranged between the limiting sleeve 14 and a main pipe body 1, the pressurizing spring 15 is of a spiral structure, and the pressurizing spring 15 is sleeved on the sucker rod 2.
When using, when external power device drives sucker rod 2 downstream, sucker rod 2 also can drive stop collar 14 downstream simultaneously, stop collar 14 downstream will with be responsible for between the body 1 extrusion pressure boost spring 15, pressure boost spring 15 receives the extrusion and will gathers an elasticity, when sucker rod 2 upward movement, pressure boost spring 15 has lost the extrusion and will release elasticity, can drive sucker rod 2 upward movement, just it is littleer just to make external power device drive the institute sucker rod 2 upward movement consumed ground power, sucker rod 2 upwards resets sooner, thereby the speed that makes sucker rod 2 reciprocate becomes fast and has improved oil recovery efficiency.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an oil recovery device is pressed in tubular area in pit of safe type, including being responsible for body (1) and sucker rod (2), sucker rod (2) are pegged graft at the top wall of being responsible for body (1), the top wall that sucker rod (2) bottom has run through and is responsible for body (1) is located the inside of being responsible for body (1), the bottom fixed mounting of sucker rod (2) have with be responsible for body (1) inside interference fit's sealing plug (5), the outside wall below fixed mounting of being responsible for body (1) have with be responsible for connecting block (3) of the inside intercommunication of body (1), the top wall of connecting block (3) is kept away from one side fixed mounting of being responsible for body (1) and is had defeated oil pipe (4) with the inside intercommunication of connecting block (3), its characterized in that: oil pumping hole (6) have been seted up to the bottom of the main pipe body (1), oil pumping hole (6) have upwards run through the bottom wall of the main pipe body (1) and have communicate each other with the inside of the main pipe body (1), the inside movable mounting of oil pumping hole (6) has oil pumping piece (7), two mounting grooves (8) have been seted up to the inside symmetry that corresponds oil pumping piece (7) of oil pumping hole (6), the inside fixed mounting of mounting groove (8) has spacing spring (9), the top of two spacing springs (9) respectively with oil pumping hole (6) fixed connection.
2. The safety downhole tubular pressurized oil recovery device according to claim 1, wherein: one side fixed mounting that the inside of connecting block (3) is close to main pipe body (1) has closing plate (10), and closing plate (10) are the rectangle board that size and the inside size of connecting block (3) equals, inlay movable mounting on closing plate (10) and have sealing block (11).
3. A safety downhole tubular pressured oil extraction device according to claim 2, characterized by: the sealing block (11) is a cylindrical plate with a T-shaped cross section, and the sealing block (11) penetrates through the front side wall and the rear side wall of the sealing plate (10).
4. A safety downhole tubular pressured oil extraction device according to claim 3, characterized by: two reset grooves (12) are symmetrically formed in the sealing plate (10) corresponding to the sealing blocks (11), and reset springs (13) fixedly connected with the sealing blocks (11) are fixedly mounted inside the reset grooves (12).
5. The safety downhole tubular pressurized oil recovery device according to claim 1, wherein: a limiting sleeve (14) is fixedly mounted above the outer side wall of the sucker rod (2), and a pressurizing spring (15) is arranged between the limiting sleeve (14) and the main pipe body (1).
6. The safety downhole tubular pressurized oil recovery device according to claim 5, wherein: the pressurizing spring (15) is sleeved on the sucker rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496725.2U CN215979321U (en) | 2021-10-17 | 2021-10-17 | Safety type underground tubular pressurized oil extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496725.2U CN215979321U (en) | 2021-10-17 | 2021-10-17 | Safety type underground tubular pressurized oil extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215979321U true CN215979321U (en) | 2022-03-08 |
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ID=80573049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122496725.2U Expired - Fee Related CN215979321U (en) | 2021-10-17 | 2021-10-17 | Safety type underground tubular pressurized oil extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215979321U (en) |
-
2021
- 2021-10-17 CN CN202122496725.2U patent/CN215979321U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |