CN211648116U - Dynamic liquid mixing and stirring device and pipe column thereof - Google Patents
Dynamic liquid mixing and stirring device and pipe column thereof Download PDFInfo
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- CN211648116U CN211648116U CN201922328138.5U CN201922328138U CN211648116U CN 211648116 U CN211648116 U CN 211648116U CN 201922328138 U CN201922328138 U CN 201922328138U CN 211648116 U CN211648116 U CN 211648116U
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Abstract
The utility model provides a liquid agitating unit is mixed to developments and tubular column thereof, liquid agitating unit is mixed to developments includes: the oil pipe assembly is internally provided with a pumping rod assembly, and the pumping rod assembly can move relative to the oil pipe assembly along the axial direction; the stirring driving device outer cylinder is connected with one end of the oil pipe assembly, and a radially extending limiting pin is arranged in the stirring driving device outer cylinder; the screw is arranged in the outer cylinder of the stirring driving device, one end of the screw is connected with one end of the sucker rod assembly, the screw can move relative to the oil pipe assembly along the axial direction along with the sucker rod assembly and can rotate relative to the sucker rod assembly, a threaded groove is formed in the periphery of the screw, and the threaded groove can be matched with the limiting pin; and the stirring rod is fixedly connected with the other end of the screw rod, and stirring blades are arranged on the stirring rod. The beneficial effects of the utility model are that, can realize mixing liquid and crude oil and force the stirring at the oil-well pump lower extreme and mix, reach the purpose that improves and mix liquid viscosity reduction effect.
Description
Technical Field
The utility model relates to a viscous crude lifts the field, concretely relates to developments mix liquid agitating unit and tubular column thereof.
Background
In the process of lifting the thick oil from the well bottom to the ground, along with the gradual reduction of the temperature of a shaft, the flowability of crude oil is poor, the problems of thick oil sticking, pump blockage and the like can occur, and the lifting pipe column is caused to lose efficacy. The best solution for the field effect of the oil field is to dope the thin oil or the viscosity reducer to the bottom of the well through the casing, mix the thin oil or the viscosity reducer with the bottom crude oil under the pump, reduce the viscosity of the crude oil, enter the oil well pump together, and lift the crude oil to the ground through the oil pipe. When the viscosity of crude oil is extremely high, the problem of pump leakage or difficult liquid inlet of an oil well pump can occur due to uneven mixing of thin oil and the crude oil; in the case of viscosity reduction by mixing a viscosity reducer (particularly a water-based viscosity reducer), the crude oil and the viscosity reducer are easily mixed unevenly, so that the viscosity reduction effect is poor, and faults such as difficulty in pumping, pump leakage, soft blocking and the like occur. The existing under-pump blending liquid mixing device is generally a static stirring device, and a moving part for forcibly stirring the blending liquid and crude oil is not provided, so that the stirring effect cannot be expected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a developments dope agitating unit and tubular column thereof to reach the purpose that improves and mix and dope the viscosity reduction.
The utility model provides a technical scheme that its technical problem adopted is: a dynamic liquid blending stirring device comprises: the oil pipe assembly is internally provided with a pumping rod assembly, and the pumping rod assembly can move relative to the oil pipe assembly along the axial direction; the stirring driving device outer cylinder is connected with one end of the oil pipe assembly, and a radially extending limiting pin is arranged in the stirring driving device outer cylinder; the screw is arranged in the outer cylinder of the stirring driving device, one end of the screw is connected with one end of the sucker rod assembly, the screw can move relative to the oil pipe assembly along with the sucker rod assembly and can rotate relative to the sucker rod assembly, a threaded groove is formed in the periphery of the screw, and the threaded groove can be matched with the limiting pin; and the stirring rod is fixedly connected with the other end of the screw rod, and stirring blades are arranged on the stirring rod.
Further, the screw rod passes through the connector to be connected with sucker rod subassembly, and the connector includes: one end of the outer cylinder is opened, the other end of the outer cylinder is closed, and the other end of the outer cylinder is connected with the sucker rod assembly; the upper bearing and the lower bearing are arranged in the outer barrel at intervals; and one end of the connecting rod is arranged at the upper bearing and the lower bearing, and the other end of the connecting rod is connected with one end of the screw rod.
Furthermore, the connecting rod is provided with an upper limiting seat and a lower limiting seat, the upper limiting seat and the lower limiting seat are arranged at intervals along the axial direction of the connecting rod, and an accommodating space for accommodating the upper bearing and the lower bearing is formed between the upper limiting seat and the lower limiting seat.
Further, the oil pipe subassembly is including the oil pipe body, last extension section of thick bamboo, hollow pump casing and the lower extension section of thick bamboo that connect gradually, and the lower extension section of thick bamboo is connected with the stirring drive arrangement urceolus.
Further, the sucker rod subassembly is connected with the urceolus including sucker rod body, pull rod and the extension rod that connects gradually.
Furthermore, one end of the pull rod is provided with a fishing head, and one end of the sucker rod body is provided with a disconnecting device which is correspondingly matched with the fishing head.
Furthermore, a hollow pump plunger is arranged in the hollow pump shell, the pull rod is sleeved with the hollow pump plunger, an oil outlet is formed in one side of the hollow pump plunger, a moving valve seat is arranged on the other side of the hollow pump plunger, a moving valve is further arranged on the periphery of the pull rod and located on one side, away from the sucker rod body, of the pull rod, and the moving valve can be matched with the moving valve seat.
Furthermore, a fixed valve seat is arranged in the hollow pump shell, and a fixed valve matched with the fixed valve seat is further arranged on the periphery of the pull rod.
Furthermore, an axial limiting seat is arranged in the upper extension cylinder, and a limiting ring matched with the axial limiting seat is arranged on the pull rod.
The utility model also provides a tubular column, including above-mentioned developments mixing solution agitating unit.
The beneficial effects of the utility model are that, the utility model discloses can realize mixing liquid and crude oil and force the stirring at the oil-well pump lower extreme and mix, reach the purpose that improves and mix liquid viscosity reduction effect.
This embodiment is for dynamic stirring device, and stirring effect is good owing to designed stirring vane to utilize beam-pumping unit power drive stirring vane, it is good than unpowered stirring vane stirring effect, can reciprocate when stirring vane pivoted simultaneously, further improve stirring scope and effect.
Drawings
The accompanying drawings, which form a part of the present application, 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 an embodiment of the present invention.
Reference numbers in the figures: 1. an oil pipe body; 2. an upper extension cylinder; 3. a hollow pump housing; 4. a lower extension cylinder; 5. an outer cylinder of the stirring driving device; 6. a sucker rod body; 7. a disconnecting connector; 8. fishing the head; 9. a connector; 10. a screw; 11. a stirring rod; 12. a stirring blade; 21. an axial limiting seat; 31. a hollow pump plunger; 32. an oil outlet hole; 33. a pull rod; 34. a traveling valve seat; 35. a traveling valve; 36. a fixed valve; 37. a fixed valve seat; 41. an extension pole; 51. a spacing pin; 81. a limiting ring; 91. an outer cylinder; 92. an upper bearing; 93. a lower bearing; 94. a connecting rod; 95. an upper limiting seat; 96. a lower limiting seat.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, an embodiment of the present invention provides a dynamic liquid blending stirring apparatus, which includes an oil pipe assembly, a stirring driving device outer cylinder 5, a screw 10 and a stirring rod 11. A sucker rod assembly is disposed within the tubing assembly and is capable of moving in an axial direction relative to the tubing assembly. The outer cylinder 5 of the stirring driving device is connected with one end of the oil pipe assembly, and a radially extending limiting pin 51 is arranged in the outer cylinder 5 of the stirring driving device. The screw rod 10 is arranged in the outer cylinder 5 of the stirring driving device, one end of the screw rod 10 is connected with one end of the sucker rod assembly, the screw rod 10 can move relative to the oil pipe assembly along the axial direction along with the sucker rod assembly, the screw rod 10 can rotate relative to the sucker rod assembly, the periphery of the screw rod 10 is provided with a thread groove, and the thread groove can be matched with the limiting pin 51. The stirring rod 11 is fixedly connected with the other end of the screw 10, and the stirring rod 11 is provided with a stirring blade 12.
The utility model discloses can realize mixing liquid and crude oil and force the stirring at the oil-well pump lower extreme and mix, reach the purpose that improves and mix liquid viscosity reduction effect.
This embodiment is for dynamic stirring device owing to designed stirring vane 12, and stirring effect is good to utilize beam-pumping unit power drive stirring vane 12, it is good than unpowered stirring vane stirring effect, can reciprocate when stirring vane 12 pivoted simultaneously, further improves stirring scope and effect.
The screw 10 is connected to the sucker rod assembly by a connector 9, and the connector 9 includes an outer cylinder 91, an upper bearing 92, a lower bearing 93, and a connecting rod 94. One end of the outer cylinder 91 is open, the other end of the outer cylinder 91 is closed, and the other end of the outer cylinder 91 is connected with the sucker rod assembly. An upper bearing 92 and a lower bearing 93 are provided at intervals in the outer cylinder 91. One end of a connecting rod 94 is provided at the upper bearing 92 and the lower bearing 93, and the other end of the connecting rod 94 is connected with one end of the screw 10. And the connecting rod 94 is provided with an upper limiting seat 95 and a lower limiting seat 96, the upper limiting seat 95 and the lower limiting seat 96 are arranged at intervals along the axial direction of the connecting rod 94, and an accommodating space for accommodating the upper bearing 92 and the lower bearing 93 is formed between the upper limiting seat 95 and the lower limiting seat 96.
An upper bearing 92 and a lower bearing 93 are installed in the outer cylinder 91, and a connecting rod 94 is rotatably provided at the upper bearing 92 and the lower bearing 93 and, when the outer cylinder 91 is moved in the axial direction shown in fig. 1, can bring the connecting rod 94 to move axially together, thereby moving the screw 10 together. When the screw 10 moves, the limiting pin 51 is arranged, so that the screw 10 can rotate, the stirring blade 12 is driven to rotate, and the purpose of stirring the doped liquid and the crude oil is achieved.
As shown in fig. 1, the oil pipe assembly comprises an oil pipe body 1, an upper extension cylinder 2, a hollow pump housing 3 and a lower extension cylinder 4 which are connected in sequence, wherein the lower extension cylinder 4 is connected with an outer cylinder 5 of the stirring driving device. The sucker rod assembly comprises a sucker rod body 6, a pull rod 33 and an extension rod 41 which are connected in sequence, wherein the extension rod 41 is connected with the outer cylinder 91.
Specifically, one end of the pull rod 33 is provided with a fishing head 8, and one end of the sucker rod body 6 is provided with a disconnecting and connecting device 7 correspondingly matched with the fishing head 8. When the sucker rod body 6 moves axially, the sucker rod body 6 can be connected with the fishing head 8 through the disconnecting device 7, so that the sucker rod body 6 is connected with the pull rod 33, and the axial movement of the sucker rod body and the pull rod 33 is realized.
The hollow pump plunger 31 is arranged in the hollow pump shell 3 and sleeved outside the pull rod 33, the oil outlet 32 is arranged on one side of the hollow pump plunger 31, the moving valve seat 34 is arranged on the other side of the hollow pump plunger 31, the moving valve 35 is further arranged on the periphery of the pull rod 33 and located on one side, far away from the sucker rod body 6, of the pull rod 33, and the moving valve 35 can be matched with the moving valve seat 34.
Further, a fixed valve seat 37 is arranged in the hollow pump housing 3, the fixed valve seat 37 is arranged at the lower end of the hollow pump housing 3, and a fixed valve 36 matched with the fixed valve seat 37 is further arranged on the periphery of the pull rod 33. The fixed valve 36 is located between the fixed valve seat 37 and the hollow pump housing 3.
As shown in fig. 1, an axial limiting seat 21 is disposed in the upper extension tube 2, and a limiting ring 81 engaged with the axial limiting seat 21 is disposed on the pull rod 33. The stop collar 81 is located below the fishing head 8 and in front of the hollow pump housing 3.
The embodiment also provides a tubular column which comprises the dynamic liquid blending stirring device.
The main working principle of this embodiment is: when the sucker rod body 6 drives the pull rod 33 to move downwards, the screw 10 also moves downwards and rotates at the same time, and drives the stirring blades 12 to rotate; when the sucker rod body 6 drives the pull rod 33 to move upwards, the screw 10 also moves upwards and rotates reversely at the same time, so that the stirring blades 12 are driven to move upwards and rotate reversely, and the effect of forcibly stirring and mixing is achieved.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the utility model discloses can realize mixing liquid and crude oil and force the stirring at the oil-well pump lower extreme and mix, reach the purpose that improves and mix liquid viscosity reduction effect.
This embodiment is for dynamic stirring device, and stirring effect is good owing to designed stirring vane to utilize beam-pumping unit power drive stirring vane, it is good than unpowered stirring vane stirring effect, can reciprocate when stirring vane pivoted simultaneously, further improve stirring scope and effect.
The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and the technical scheme, all can the independent assortment use between technical scheme and the technical scheme.
Claims (10)
1. A dynamic liquid mixing and stirring device is characterized by comprising:
a tubing assembly within which is disposed a sucker rod assembly that is movable in an axial direction relative to the tubing assembly;
the stirring driving device outer cylinder (5) is connected with one end of the oil pipe assembly, and a radially extending limiting pin (51) is arranged in the stirring driving device outer cylinder (5);
the screw (10) is arranged in the outer cylinder (5) of the stirring driving device, one end of the screw (10) is connected with one end of the sucker rod assembly, the screw (10) can move relative to the oil pipe assembly along with the sucker rod assembly, the screw (10) can rotate relative to the sucker rod assembly, a threaded groove is formed in the periphery of the screw (10), and the threaded groove can be matched with a limiting pin (51);
and the stirring rod (11) is fixedly connected with the other end of the screw (10), and stirring blades (12) are arranged on the stirring rod (11).
2. The dynamic liquid blending stirring device according to claim 1, wherein the screw (10) is connected to the sucker rod assembly through a connector (9), the connector (9) comprising:
one end of the outer cylinder (91) is opened, the other end of the outer cylinder (91) is closed, and the other end of the outer cylinder (91) is connected with the sucker rod assembly;
an upper bearing (92) and a lower bearing (93) which are arranged in the outer cylinder (91) at intervals;
and one end of the connecting rod (94) is arranged at the upper bearing (92) and the lower bearing (93), and the other end of the connecting rod (94) is connected with one end of the screw rod (10).
3. The dynamic liquid-blending stirring device according to claim 2, wherein the connecting rod (94) is provided with an upper limiting seat (95) and a lower limiting seat (96), the upper limiting seat (95) and the lower limiting seat (96) are arranged at intervals along the axial direction of the connecting rod (94), and a containing space for containing the upper bearing (92) and the lower bearing (93) is formed between the upper limiting seat (95) and the lower limiting seat (96).
4. The dynamic liquid mixing stirring device of claim 3, wherein the oil pipe assembly comprises an oil pipe body (1), an upper extension cylinder (2), a hollow pump shell (3) and a lower extension cylinder (4) which are connected in sequence, and the lower extension cylinder (4) is connected with the stirring driving device outer cylinder (5).
5. The dynamic liquid blending stirring device according to claim 4, wherein the sucker rod assembly comprises a sucker rod body (6), a pull rod (33) and an extension rod (41) which are connected in sequence, and the extension rod (41) is connected with the outer cylinder (91).
6. The dynamic liquid-blending stirring device according to claim 5, wherein one end of the pull rod (33) is provided with a fishing head (8), and one end of the sucker rod body (6) is provided with a disconnecting and connecting device (7) correspondingly matched with the fishing head (8).
7. The dynamic liquid blending stirring device according to claim 6, wherein a hollow pump plunger (31) is arranged in the hollow pump housing (3) and sleeved outside the pull rod (33), an oil outlet (32) is arranged on one side of the hollow pump plunger (31), a traveling valve seat (34) is arranged on the other side of the hollow pump plunger (31), a traveling valve (35) is further arranged on the periphery of the pull rod (33) and located on one side of the pull rod (33) far away from the sucker rod body (6), and the traveling valve (35) can be matched with the traveling valve seat (34).
8. The dynamic admixture stirring apparatus as claimed in claim 7, wherein a fixed valve seat (37) is provided in the hollow pump housing (3), and a fixed valve (36) fitted to the fixed valve seat (37) is further provided on the outer periphery of the pull rod (33).
9. The dynamic liquid blending stirring device according to claim 8, wherein an axial limiting seat (21) is arranged in the upper extension barrel (2), and a limiting ring (81) matched with the axial limiting seat (21) is arranged on the pull rod (33).
10. A pipe string comprising a dynamic admixture stirring device, wherein the dynamic admixture stirring device is the dynamic admixture stirring device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922328138.5U CN211648116U (en) | 2019-12-23 | 2019-12-23 | Dynamic liquid mixing and stirring device and pipe column thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922328138.5U CN211648116U (en) | 2019-12-23 | 2019-12-23 | Dynamic liquid mixing and stirring device and pipe column thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648116U true CN211648116U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922328138.5U Active CN211648116U (en) | 2019-12-23 | 2019-12-23 | Dynamic liquid mixing and stirring device and pipe column thereof |
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| Country | Link |
|---|---|
| CN (1) | CN211648116U (en) |
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2019
- 2019-12-23 CN CN201922328138.5U patent/CN211648116U/en active Active
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