CN110685654B - Small-diameter intelligent injection allocation device and use method thereof - Google Patents
Small-diameter intelligent injection allocation device and use method thereof Download PDFInfo
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- CN110685654B CN110685654B CN201911036719.XA CN201911036719A CN110685654B CN 110685654 B CN110685654 B CN 110685654B CN 201911036719 A CN201911036719 A CN 201911036719A CN 110685654 B CN110685654 B CN 110685654B
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- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title description 6
- 238000001514 detection method Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/20—Displacing by water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
- F16K11/0853—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Flow Control (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a small-diameter intelligent injection allocation device which comprises an upper joint, wherein the lower end of the upper joint is connected with an inner pipe and an outer pipe, the inner pipe is arranged in the outer pipe, an annular pipeline space is formed between the inner pipe and the outer pipe, a flow detection device is arranged at the upper part of the annular pipeline space, a buffer device is arranged below the flow detection device, an adjusting device is arranged below the buffer device, and the bottoms of the inner pipe and the outer pipe are connected with the lower joint. The invention has the advantages that the flow and the pressure of the liquid in the pipeline are detected and monitored, and the buffer device is beneficial to reducing the abrasion of parts of the adjusting device.
Description
Technical Field
The invention relates to the technical field of oilfield exploitation, in particular to a small-diameter intelligent injection allocation device and a using method thereof.
Background
With the continuous and rapid increase of global economy, petroleum plays an increasingly important role as a strategic material related to the national economic life and the national economic safety. With the increase of economy in recent years, the demand of China for petroleum is increasing day by day.
In the long-term exploitation of the underground oil layer, the pressure of the underground oil layer is gradually reduced, and the oil production capacity of the oil well is gradually reduced, so that the formation pressure must be supplemented to ensure the output of the oil well, and the conventional operation mode is to supplement the formation pressure by using a water injection tool. However, in the conventional water injection tool, because the opening degree of the water nozzle is a fixed value in the water injection process, the total amount of water flow injected into the stratum can change along with the fluctuation of the pressure of the ground water injection system, and can also change along with the fluctuation of the stratum pressure, so that the error between the total amount of water flow and the expected water injection amount occurs, and the pressure fluctuation and the instability of the water injection amount are caused.
Disclosure of Invention
The invention aims to: in order to solve the problems, the small-diameter intelligent injection allocation device is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a ware is joined in marriage to minor diameter intelligence, includes the top connection, inner tube and outer tube are connected to the top connection lower extreme, the inner tube sets up inside the outer tube, form an annular duct space between inner tube and the outer tube, annular duct space upper portion is provided with flow detection device, flow detection device below is provided with buffer, the buffer below is provided with adjusting device, the inner tube is connected with the lower clutch with the outer tube bottom.
As a further description of the above technical solution:
the water-saving water dispenser is characterized in that a plurality of water discharging holes are uniformly distributed in the middle of the outer pipe, outer pipe sliding grooves are formed in the inner sides of the water discharging holes, inner pipe sliding grooves are formed in the outer wall of the inner pipe, the axial positions of the inner pipe sliding grooves are the same as those of the outer pipe sliding grooves, and the groove width sizes are the same.
As a further description of the above technical solution:
the flow detection device consists of a flow sensor, a pressure sensor, a signal processor and other necessary accessories of a circuit control system, and all electrical components are directly connected and distributed.
As a further description of the above technical solution:
the buffer device comprises a buffer ring, the buffer ring is an annular body, the inner ring of the buffer ring is fixedly connected with the inner tube, the outer ring of the buffer ring is fixedly connected with the outer tube, the upper end face of the buffer ring is provided with a plurality of water inlets, each water inlet is communicated with the buffer cavity, the radial inner side of the buffer cavity is the same as the water outlet, the other end of the water outlet is arranged on the lower end face of the buffer ring, a buffer block is arranged above the inner part of the buffer cavity, a buffer pipeline is arranged in the buffer block, the upper end of the buffer pipeline is communicated with the water inlets, the radial inner end of the buffer pipeline is communicated with the water outlet, a buffer spring is arranged between the lower end face of the buffer block and the bottom face of the buffer cavity, and a pressure balance hole is formed in the buffer cavity below the buffer spring.
As a further description of the above technical solution:
the adjusting device comprises an adjusting block, the adjusting block and the drain hole are positioned at the same axial position of the outer pipe, the radial inner side of the adjusting block is arc-shaped, is clamped with the inner pipe chute, the radial outer side of the adjusting block is also arc-shaped and is clamped with the outer pipe chute, a gear shaft is arranged below the adjusting block, the adjusting block is connected with the shaft part of the gear shaft through a bearing, an outer gear ring and an inner gear ring are arranged below the adjusting block, the outer wall of the outer gear ring is fixedly connected with the outer pipe, the inner wall of the outer gear ring is in a tooth shape, is engaged and connected with the tooth part of the gear shaft in a transmission way, the inner wall of the inner gear ring is connected with the inner pipe through a large bearing, the outer wall of the inner gear ring is in a tooth shape, the upper part of the tooth shape is in meshed transmission connection with the tooth part of the gear shaft, the lower part of the tooth shape is in meshed transmission connection with the pinion, the small gear is connected with a motor shaft of the adjusting motor, and the adjusting motor is fixedly arranged between the inner pipe and the outer pipe.
A method for using small-diameter intelligent injection allocation device is characterized in that a flow detection device uploads detected data such as flow pressure and the like to a central system, the central system stores the detected data into a data storage system, and meanwhile, an adjusting device is enabled to perform action adjustment through an adjusting control system; the central system tracks and analyzes long-term detection data to correct the control mode of the adjusting device, namely, the sizes of the adjusting block shielding drain holes are different according to different pressures and flows.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
in the invention, firstly, the flow and pressure parameters of liquid in a water injection well are detected in real time through a flow detection device, and equipment parameters are monitored and recorded; secondly, according to the data detected by the flow detection device, the flow of the liquid is controlled by the adjusting device, the flow and the pressure of the liquid are stabilized, and the stability of the system is enhanced; thirdly, a plurality of drain holes are formed in the outer pipe, and the opening sizes of the drain holes are controlled simultaneously through the adjusting device, so that the problem of slow drainage caused by small drain holes of the small-diameter injection allocation device is solved; fourthly, the buffer device is used for preventing the adjusting speed from being influenced by too large resistance of the adjusting device when the pressure intensity is too large, reducing the loss of parts of the adjusting device and prolonging the service life; fifthly, all the electric elements are directly distributed, and the space is saved.
Drawings
FIG. 1 illustrates an overall schematic structure provided according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a buffer apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an adjusting device according to an embodiment of the present invention;
FIG. 4 illustrates a perspective view of an adjustment device provided in accordance with an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a control method provided by an embodiment of the invention.
Illustration of the drawings: 1. an upper joint; 2. an inner tube; 3. an outer tube; 4. a flow detection device; 5. a buffer device; 6. an adjustment device; 7. a lower joint; 21. an inner tube chute; 31. a drain hole; 32. an outer tube chute; 51. a buffer ring; 511. a water inlet; 512. a buffer chamber; 513. a water outlet; 514. a pressure balance hole; 52. a buffer block; 521. a buffer pipe; 53. a buffer spring; 61 adjusting block; 62. a bearing; 63. an outer ring gear; 64. a gear shaft; 65. an inner gear ring; 66. a large bearing; 67. a pinion gear; 68. the motor is regulated.
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.
Referring to fig. 1, the present invention provides a technical apparatus: the utility model provides a small diameter intelligence injection allocation ware, includes top connection 1, inner tube 2 and outer tube 3 are connected to 1 lower extreme of top connection, inner tube 2 sets up inside outer tube 3, form an annular duct space between inner tube 2 and the outer tube 3, annular duct space upper portion is provided with flow detection device 4, flow detection device 4 below is provided with buffer 5, buffer 5 below is provided with adjusting device 6, inner tube 2 is connected with lower clutch 7 with 3 bottoms of outer tube.
Specifically, referring to fig. 1 and 3, a plurality of water drainage holes 31 are uniformly distributed in the middle of the outer tube 3, outer tube sliding grooves 32 are formed in the inner sides of the water drainage holes 31, inner tube sliding grooves 21 are formed in the outer wall of the inner tube 2, the axial positions of the inner tube sliding grooves 21 are the same as those of the outer tube sliding grooves 32, and the groove widths are equal to each other.
Specifically, referring to fig. 1, the flow detection device 4 is composed of a flow sensor, a pressure sensor, a signal processor and other necessary accessories for a circuit control system, and all electrical components are directly connected.
Specifically, referring to fig. 2, the buffer device includes a buffer ring 51, the buffer ring 51 is a ring-shaped body, the inner ring of the buffer ring 51 is fixedly connected with the inner tube 2, the outer ring of the buffer ring 51 is fixedly connected with the outer tube 3, the buffer ring 51 has a plurality of water inlets 511 at an upper end thereof, each of the water inlets 511 is communicated with the buffer chamber 512, the radial inner side of the buffer chamber 512 is the same as the water outlet 513, the other end of the water outlet 513 is arranged on the lower end surface of the buffer ring 51, a buffer block 52 is arranged above the inside of the buffer cavity 512, a buffer pipeline 521 is arranged inside the buffer block 52, the upper end of the buffer pipe 521 is communicated with the water inlet 511, the radial inner end of the buffer pipe 521 is communicated with the water outlet 513, a buffer spring 53 is arranged between the lower end surface of the buffer block 51 and the bottom surface of the buffer cavity 512, a pressure balance hole 514 is formed on the buffer chamber 512 below the buffer spring 53.
Specifically, referring to fig. 3 and 4, the adjusting device 6 includes an adjusting block 61, the adjusting block 61 and the water discharge hole 31 are located at the same axial position of the outer tube 3, the radial inner side of the adjusting block 61 is arc-shaped and is clamped with the inner tube slide groove 21, the radial outer side of the adjusting block 61 is arc-shaped and is clamped with the outer tube slide groove 32, a gear shaft 64 is arranged below the adjusting block 61, the adjusting block 61 is connected with the shaft portion of the gear shaft 64 through a bearing 62, an outer gear ring 63 and an inner gear ring 65 are further arranged below the adjusting block 61, the outer wall of the outer gear ring 63 is fixedly connected with the outer tube 3, the inner wall of the outer gear ring 63 is tooth-shaped and is in meshing transmission connection with the tooth portion of the gear shaft 64, the inner wall of the inner gear ring 63 is connected with the inner tube 2 through a large bearing 62, the outer wall of the inner gear ring 63 is tooth-shaped, the upper portion of the tooth-shaped is in meshing transmission connection with the tooth portion of the gear shaft 64, and the lower portion of the tooth-shaped is in meshing transmission connection with the pinion 67, the pinion 67 is connected to a motor shaft of an adjustment motor 68, and the adjustment motor 68 is fixedly installed between the inner tube 2 and the outer tube 3.
The working principle is as follows:
the injection allocation device is installed on a mining pipeline, flow and pressure data of liquid in the pipeline are transmitted back to the ground through the flow detection device 4, when the flow and pressure are abnormal, the adjusting motor 68 is started to drive the pinion 67 to rotate, the pinion 67 drives the inner gear ring 65 to rotate, due to the fact that the outer gear ring 63 is fixed, the plurality of gear shafts 64 simultaneously do circular motion around the axis of the inner pipe 2, the gear shafts 64 drive the adjusting blocks 61 to rotate, and the effect of controlling the opening size of the water drain hole 31 is achieved.
When the liquid pressure is suddenly increased, obviously, the pressure at the water inlet 511 is greater than the pressure at the pressure balance hole 514, the buffer block 52 moves downwards under the action of the pressure difference, so that the communication opening between the buffer pipeline 521 and the water outlet 513 is reduced, the liquid flow rate is reduced, the adjusting device 6 starts to adjust, when the liquid pressure below the buffer device 6 is gradually increased and then is equal to the liquid pressure above, the buffer block 52 returns to the original position to play a role in buffering the liquid, so that the action time is provided for the adjusting device 6, and the loss caused by the impact of the pressure on the parts of the adjusting device 6 is reduced.
The flow detection device 4 uploads the detected data such as flow pressure and the like to the central system, the central system stores the detected data into the data storage system, and meanwhile, the adjustment device 6 is adjusted through the adjustment control system; the central system tracks and analyzes the long-term detection data to correct the control mode of the adjusting device 6, that is, the adjusting block 61 shields the drain holes 31 with different sizes according to different pressures and flows.
Claims (5)
1. The small-diameter intelligent injection allocation device comprises an upper connector (1) and is characterized in that the lower end of the upper connector (1) is connected with an inner pipe (2) and an outer pipe (3), the inner pipe (2) is arranged inside the outer pipe (3), an annular pipeline space is formed between the inner pipe (2) and the outer pipe (3), a flow detection device (4) is arranged at the upper part of the annular pipeline space, a buffer device (5) is arranged below the flow detection device (4), an adjusting device (6) is arranged below the buffer device (5), and the bottoms of the inner pipe (2) and the outer pipe (3) are connected with a lower connector (7);
a plurality of drain holes (31) are uniformly distributed in the middle of the outer pipe (3), the adjusting device (6) comprises an adjusting block (61), the adjusting block (61) and the drain hole (31) are positioned at the same axial position of the outer tube (3), a gear shaft (64) is arranged below the adjusting block (61), an outer gear ring (63) and an inner gear ring (65) are also arranged below the adjusting block (61), the outer wall of the outer gear ring (63) is fixedly connected with the outer pipe (3), the inner wall of the outer gear ring (63) is in a tooth shape, is engaged and connected with the tooth part of the gear shaft (64), the inner wall of the inner gear ring (63) is connected with the inner pipe (2), the outer wall of the inner gear ring (63) is in a tooth shape, the upper part of the tooth shape is in meshed transmission connection with the tooth part of the gear shaft (64), the lower part of the tooth shape is in meshed transmission connection with a pinion (67), and the pinion (67) is connected with an adjusting motor (68).
2. The small-diameter intelligent injection allocation device according to claim 1, wherein an outer tube sliding groove (32) is arranged on the inner side of the water drain hole (31), an inner tube sliding groove (21) is arranged on the outer wall of the inner tube (2), the axial positions of the inner tube sliding groove (21) and the outer tube sliding groove (32) are the same, and the groove width dimension is the same.
3. The small-diameter intelligent dispenser according to claim 2, wherein the flow detection device (4) is composed of flow sensors, pressure sensors, signal processors and other necessary accessories for circuit control systems, and all electrical components are directly distributed.
4. The small-diameter intelligent injection allocation device according to claim 3, wherein the buffer device comprises a buffer ring (51), the buffer ring (51) is an annular body, the inner ring of the buffer ring (51) is fixedly connected with the inner tube (2), the outer ring of the buffer ring (51) is fixedly connected with the outer tube (3), the upper end surface of the buffer ring (51) is provided with a plurality of water inlets (511), each water inlet (511) is communicated with a buffer chamber (512), the radial inner side of the buffer chamber (512) is the same as the water outlet (513), the other end of the water outlet (513) is arranged on the lower end surface of the buffer ring (51), a buffer block (52) is arranged above the inside of the buffer chamber (512), a buffer pipeline (521) is arranged inside the buffer block (52), the upper end of the buffer pipeline (521) is communicated with the water inlet (511), and the radial inner end of the buffer pipeline (521) is communicated with the water outlet (513), a buffer spring (53) is arranged between the lower end face of the buffer block (52) and the bottom face of the buffer cavity (512), and a pressure balance hole (514) is formed in the buffer cavity (512) below the buffer spring (53).
5. The small-diameter intelligent injection allocation device according to claim 4, wherein the radial inner side of the adjusting block (61) is arc-shaped and is clamped with the inner pipe sliding groove (21), the radial outer side of the adjusting block (61) is arc-shaped and is clamped with the outer pipe sliding groove (32), the adjusting block (61) is connected with the shaft part of the gear shaft (64) through a bearing (62), the pinion (67) is connected with the motor shaft of the adjusting motor (68), and the adjusting motor (68) is fixedly arranged between the inner pipe (2) and the outer pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036719.XA CN110685654B (en) | 2019-10-29 | 2019-10-29 | Small-diameter intelligent injection allocation device and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036719.XA CN110685654B (en) | 2019-10-29 | 2019-10-29 | Small-diameter intelligent injection allocation device and use method thereof |
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| CN110685654A CN110685654A (en) | 2020-01-14 |
| CN110685654B true CN110685654B (en) | 2021-11-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364957B (en) * | 2020-04-09 | 2024-03-01 | 中国石油天然气股份有限公司 | Miniaturized constant-current water distribution structure and detection device thereof |
| CN112267858A (en) * | 2020-09-14 | 2021-01-26 | 中国石油天然气股份有限公司 | Water distributor for oil exploitation and use method thereof |
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| CN106499372A (en) * | 2016-10-18 | 2017-03-15 | 中国石油天然气股份有限公司 | Integrated electromagnetic type flow meter intelligence distributor |
| CN108591502A (en) * | 2018-05-09 | 2018-09-28 | 王秀娟 | A kind of ship steam turbine generator steam control valve |
| CN208966310U (en) * | 2018-07-16 | 2019-06-11 | 中国石油天然气股份有限公司 | Water dispensing apparatus and water distribution tubing string |
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