CN209908474U - Intelligent water distributor in pit - Google Patents
Intelligent water distributor in pit Download PDFInfo
- Publication number
- CN209908474U CN209908474U CN201920251873.8U CN201920251873U CN209908474U CN 209908474 U CN209908474 U CN 209908474U CN 201920251873 U CN201920251873 U CN 201920251873U CN 209908474 U CN209908474 U CN 209908474U
- Authority
- CN
- China
- Prior art keywords
- water
- water nozzle
- nozzle
- control module
- injection
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 267
- 238000002347 injection Methods 0.000 claims abstract description 88
- 239000007924 injection Substances 0.000 claims abstract description 88
- 238000012360 testing method Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000013101 initial test Methods 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses an underground intelligent water distributor, which comprises an upper sleeve, a main overflow channel, a lower sleeve and a water injection adjusting device; the upper sleeve, the main overflowing channel and the lower sleeve are sequentially connected, and the water injection adjusting device comprises a series battery pack, a control module, a resistance reducing motor and a water injection barrel which are sequentially connected; the water injection cylinder is provided with a water inlet communicated with the main overflowing channel and a water outlet communicated with the outside; a transmission mechanism and a stacked control water nozzle are arranged in the water injection barrel, and the resistance reduction motor is connected with the stacked control water nozzle through the transmission mechanism; the water outlet, the overlapped control water nozzle and the water inlet form a layered water flow channel in the layered water injection process. The water distributor control module establishes a layered water distributor water nozzle throttling model by utilizing a water nozzle throttling classical theory, tests absolute pressure by adopting a front pressure sensor and a rear pressure sensor of the water nozzle, calculates the flow of the water nozzle by referring to the equivalent area of a laminated water nozzle, compares the flow with preset geological injection quantity and executes the water nozzle adjusting process.
Description
Technical Field
The utility model belongs to the technical field of the oil field water injection, concretely relates to intelligence injection mandrel in pit.
Background
In recent years, in order to improve the development level of an oil field and realize efficient development of an oil reservoir, oil workers are focused on developing the attack and the customs research of the stratified water injection technology, the oil reservoir development requirement is met to a certain extent, the problem of uneven water absorption caused by difference between layers and in-layer difference is relieved, and the stratified balanced injection and production development of the oil field is achieved. Different separate injection technologies such as eccentricity, bridge concentricity and the like are developed in domestic oil fields successively, the technical core is an underground layered water distributor, mechanical butt joint and control modes are adopted, continuous adjustment of water nozzles of the underground layered water distributor is realized, so that different geological injection allocation requirements of different positions are met, although the process can achieve the purpose of layered water injection of different water injection positions, a cable is required to be connected with underground tools for continuous operation in the field construction operation process, the whole construction process is complex, the layered flow measurement and adjustment difficulty is high, and meanwhile, the layered water injection quantity obviously changes along with the influence of factors such as pressure, stratum water absorption capacity and the like, and the poor layered water injection effect is severely limited.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims to utilize intelligent water distribution technical method, overcome present conventional branch and annotate that the field construction operation process needs cable junction downhole tool continuity of operation, whole work progress is complicated, and the layering flow measure and regulate degree of difficulty is big, and the while layering water injection volume is obvious along with factor influence changes such as pressure and stratum water absorption capacity, has seriously restricted the poor problem of layering water injection effect. Therefore the utility model provides an intelligence injection mandrel in pit, the utility model discloses an injection mandrel adopts whole measure and regulate artificial intervention few, and degree of automation is high, alleviates personnel intensity of labour by a wide margin.
In order to achieve the above purpose, the utility model adopts the following technical means:
an underground intelligent water distributor comprises an upper sleeve, a main overflowing channel, a lower sleeve and a water injection adjusting device;
the upper sleeve, the main overflowing channel and the lower sleeve are connected in sequence,
the water injection adjusting device is arranged beside the main overflow channel and comprises a series battery pack, a control module, a resistance-reducing motor and a water injection barrel which are sequentially connected, and the series battery pack, the control module and the resistance-reducing motor are electrically connected; the series battery pack is connected with the upper sleeve, and the water injection barrel is connected with the lower sleeve;
the water injection cylinder is provided with a water inlet communicated with the main overflowing channel and a water outlet communicated with the outside; a transmission mechanism and a stacked control water nozzle are arranged in the water injection barrel, and the resistance reduction motor is connected with the stacked control water nozzle through the transmission mechanism; the water outlet, the overlapped control water nozzle and the water inlet form a layered water flow channel in the layered water injection process.
The overlapped control water nozzle is a double-layer overlapped water nozzle and comprises two disks which are overlapped up and down, a water drainage hole is formed in the same position of each disk, the upper disk is connected with a transmission mechanism, and a resistance reduction motor drives the upper disk and the lower disk of the overlapped control water nozzle to rotate through the transmission mechanism so as to adjust the opening degree of the water nozzle.
The water inlet and the water outlet of the stacked control water nozzle are both provided with pressure sensors, and the pressure sensors are electrically connected with the control module.
The control module is used for establishing a water nozzle throttling model of the layered water distributor, testing absolute pressure by adopting a front pressure sensor and a rear pressure sensor of the water nozzle, calculating the flow of the water nozzle by referring to the equivalent area of the overlapped control water nozzle, and comparing the flow with the preset geological injection quantity to execute water nozzle adjustment.
And the control module is also used for continuously correcting the model parameters according to the test data quantity after the model is established.
The control module is a single chip microcomputer or a logic circuit and is in communication connection with the ground flow testing device.
The upper sleeve and the lower sleeve are connected with the main overflowing channel by screw threads; the upper sleeve, the lower sleeve and the water injection adjusting device are connected and sealed in an inserting way.
The series battery pack, the control module, the resistance reducing motor and the water injection cylinder are all connected in an insertion mode, and the joints are sealed through double rubber rings.
The upper sleeve and the lower sleeve are connected with the oil pipe through screw threads, and the upper end of each water distributor is connected with a water injection packer.
A control method of an underground intelligent water distributor comprises the following steps:
the control module receives test flow data of the ground flow test device, simultaneously, the front and rear pressure sensors of the superposed control water nozzle test the front and rear pressure of the water nozzle, the control module obtains flow model parameters through calculation, and an initial model is established for a subsequent flow self-learning process;
after normal water injection, the control module continuously collects the pressure around the control water nozzle and corresponds the equivalent area data of the control water nozzle of fold form through pressure sensor test water nozzle around the control water nozzle of fold form, and then continuously revises the flow control model parameter to combine to calculate flow data and geology injection allocation volume and contrast, if the result satisfies the injection allocation requirement, then the water nozzle is motionless, otherwise, the resistance reduction motor drives the control water nozzle of fold form and adjusts the layering water yield size.
The utility model has the advantages that:
the utility model discloses an intelligent water injection mandrel in pit, through long-range wireless communication mode, receive ground transmission instruction, and carry out the continuous survey and regulation of layering flow, ensure that the layering water injection volume reaches the layering injection allocation requirement for a long time, this water injection mandrel integrated control module, water injection well choke adjustment mechanism, key structure such as battery, control module calculates the layering water yield according to pressure around predicting procedure and the automatic test water injection well choke of control model, and utilize carrier wave technique with flow in the pit, dynamic data real-time transmission to ground such as pressure, alleviate contradiction between the oil reservoir layer, reach balanced water injection effect, promote the layering water injection is automatic by a wide margin, intelligent level, in time master the layering survey and regulation of layering water injection well, well management and dynamic monitoring data, establish the basis for big data processing and application. A water nozzle throttling model of the layered water distributor is established by utilizing a water nozzle throttling classical theory, absolute pressure is tested by adopting a front pressure sensor and a rear pressure sensor of the water nozzle, the flow of the water nozzle is calculated by referring to the equivalent area of the overlapped water nozzle, and then the flow is compared with the preset geological injection quantity to execute the water nozzle adjusting process. A water nozzle regulation model is established by adopting a water nozzle throttling classical theory, underground electric control elements are reduced, and the long-term reliability of an instrument is improved; the design of the stacked control water nozzle is adopted, so that the water nozzle is high in adjustment precision and strong in controllability; and the simplified water distributor structure is adopted, so that the cost of the water distributor is greatly reduced; the underground long-term test and real-time adjustment of the layered flow are adopted, so that the qualified rate of layered injection allocation is greatly improved; the whole testing and adjusting is less in manual intervention, the automation degree is high, and the labor intensity of personnel is greatly reduced.
Further, fold the form control water injection well choke and arrange the water injection well choke for the bilayer is folded the form, and the drag reduction motor passes through drive mechanism and drives the water injection well choke and select to adjust the water injection well choke aperture, because it is high to fold the form water injection well choke regulation precision, controllability is strong, promotes the water yield regulation precision by a wide margin.
The utility model discloses a control method through with the test flow data of ground flow testing arrangement, the pressure sensor test water injection well choke front and back pressure around the control water injection well choke of fold form simultaneously, control module obtains the flow model parameter through calculating to establish initial model for follow-up flow self-learning process; and testing absolute pressure by adopting a front pressure sensor and a rear pressure sensor of the water nozzle, calculating the flow of the water nozzle by referring to the equivalent area of the overlapped control water nozzle, comparing the flow with the preset geological injection amount, and executing the water nozzle adjusting process.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a downhole intelligent water distributor control system.
FIG. 2 is a schematic diagram of a downhole intelligent water distributor.
FIG. 3 is a schematic diagram of a water nozzle structure of the downhole intelligent water distributor.
Description of reference numerals: 1-water injection well mouth; 2-first-stage packer; 3-first-stage water distributor; 4-a secondary packer; 5-a secondary water distributor; 6-upper sleeve; 7-main flow-through channel; 8-high-energy battery pack; 9-a control module; 10-a drag reducing motor; 11-a transmission mechanism; 12-a stacked control water nozzle; 13-water outlet; 14-a water inlet; 15-lower sleeve; 16-water injection cylinder.
Detailed Description
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description of the embodiments of the present invention with reference to the accompanying drawings and examples is provided for explaining the present invention without limitation.
As shown in fig. 1, the downhole intelligent water distributor control system comprises a plurality of packers and a plurality of water distributors; the upper sleeve 6 and the lower sleeve 15 of the water distributor are connected with the oil pipe through screw threads, and the upper end of each water distributor is connected with a water injection packer which are sequentially connected to form a layered water injection structure.
The device comprises a primary packer 2, a primary water distributor 3, a secondary packer 4 and a secondary water distributor 5 which are arranged below a wellhead 1 of a water injection well; the primary packer 2, the primary water distributor 3, the secondary packer 4 and the secondary water distributor 5 are sequentially connected at intervals.
The upper sleeve 6 and the lower sleeve 15 are connected with an oil pipe through screw threads, and meanwhile, the upper ends of different water distributors are respectively connected with water injection packers, so that a separate-layer water injection pipe column is built, and basic conditions of separate-layer water injection are built.
As shown in fig. 2, the utility model relates to an underground intelligent water distributor, which comprises an upper sleeve 6, a main overflow channel 7, a lower sleeve 15 and a water injection adjusting device;
the upper sleeve 6, the main flow passage 7 and the lower sleeve 15 are connected in sequence,
the water injection adjusting device is arranged beside the main overflow channel 7 and comprises a series battery pack 8, a control module 9, a resistance-reducing motor 10 and a water injection barrel 16 which are sequentially connected, wherein the series battery pack 8, the control module 9 and the resistance-reducing motor 10 are electrically connected; the series battery pack 8 is connected with the upper sleeve 6, and the water injection barrel 16 is connected with the lower sleeve 15;
the water injection barrel 16 is provided with a water inlet 14 communicated with the main overflowing channel 7 and a water outlet 13 communicated with the outside; a transmission mechanism 11 and a stacked control water nozzle 12 are arranged in the water injection barrel 16, and the drag reduction motor 10 is connected with the stacked control water nozzle 12 through the transmission mechanism 11; the water outlet 13, the stacked control water nozzle 12 and the water inlet 14 form a layered water flow channel in the layered water injection process.
The upper sleeve 6, the main overflowing channel 7, the electrical component group and the lower sleeve 15 of the water distributor are mechanically installed, the upper sleeve 6, the lower sleeve 15 and the main overflowing channel 7 are connected through threads to fix the main structure of the water distributor and achieve sealing of an instrument, the upper sleeve 6, the lower sleeve 7 and the electrical component group are connected in an inserting mode, and joints are sealed through double rubber rings.
The series battery pack 8, the control module 9, the resistance reducing motor 10, the transmission mechanism 11 and other electric element groups are electrically connected to realize communication and control functions with different structures. The water distributor control module 9 establishes a layered water distributor water nozzle throttling model by using a water nozzle throttling classical theory, tests absolute pressure by using pressure sensors in front and at back of a water nozzle, calculates the flow of the water nozzle by referring to the equivalent area of the overlapped control water nozzle 12, compares the flow with preset geological injection quantity, and executes a water nozzle adjusting process.
The water inlet and outlet of the stacked control water nozzle 12 are provided with pressure sensors for calculating the front and back pressures of the stacked control water nozzle 12 so as to obtain the front and back pressure difference of the water nozzle, and the pressure sensors are electrically connected with the control module 9 and transmit the tested pressure data to the control module. The two pressure sensors adopt the same clock, so that the synchronism of the test pressure is ensured, and the layered flow is obtained.
The upper end of the main overflowing channel 7 is connected with the upper sleeve 6 through a screw thread, the lower end of the main overflowing channel is connected with the lower sleeve 15 through a screw thread, and the connecting parts are sealed through screw threads and rubber rings so as to meet the requirements of main structure strength and sealing.
The series battery pack 8 is formed by connecting four high-energy batteries in series, and the batteries are high-voltage lithium batteries and meet the requirement of long-term underground application.
The control module 9 is a single chip microcomputer or a logic circuit, the upper end of the control module is connected with the series battery pack 8, the lower end of the control module is connected with the resistance reducing motor 10, the control module and the resistance reducing motor are all in plug-in connection, the connection part is sealed by double rubber rings, and the control module is in a compression state due to the fact that the lengths of the upper sleeve, the lower sleeve and the main overflowing channel are strictly designed, and reliability of. The control module establishes a water nozzle throttling model of the layered water distributor by using a water nozzle throttling classical theory, namely a mathematical model among flow, pressure difference between the front and the back of the water nozzle and the equivalent area of the water nozzle. The control module 9 is in remote wireless communication with the ground flow testing device. The method comprises the steps of testing absolute pressure by adopting pressure sensors in front of and behind the water nozzle, calculating the flow of the water nozzle by referring to the equivalent area of the overlapped water nozzle, directly reading flow data of a ground control system by using a water nozzle initial flow calculation array, and initially establishing a flow calculation model. After the model is established, along with the increase of the test data volume, the control module continuously corrects the model parameters, improves the test adjustment data progress, further compares the test adjustment data with the preset geological injection quantity, executes the water nozzle adjustment process, and finally meets the requirements of layered water distribution.
The self-learning mathematical model of the control module 9 is as follows:
in the formula, P1-pressure before the mouth; testing pressure by a pressure sensor in front of the laminated water nozzle;
P2-pressure behind the mouth; testing pressure by a pressure sensor behind the laminated water nozzle;
w is the area gradient of the water nozzle; a constant coefficient related to the shape of the tap;
cd-velocity coefficient; a constant coefficient associated with the injected medium;
XV-displacement of adjustable tap: calculating the equivalent area of the water outlet nozzle by multiplying the Xv and the W;
ρ is the injection fluid density.
When water is normally injected, the velocity coefficient is determined through initial test flow, pressure before and after the water nozzle, fluid density, water nozzle area gradient and the like, so that an initial test model is established. And then, in the process of each measurement and adjustment, the model is continuously corrected, the test model is enriched, and the corresponding flow can be obtained by obtaining the front and back pressure of the water nozzle in the subsequent test.
The drag reduction motor 10 is an optimal drag reduction motor, meets the requirement of nozzle torque adjustment under a high-pressure condition, and has good underground long-term sealing performance.
As shown in fig. 3, the overlapped control water nozzle 12 is a double-layer overlapped water nozzle, and the resistance-reducing motor 10 drives the water nozzle to select through a transmission mechanism, so that the opening of the water nozzle is adjusted. And pressure sensors are arranged at the front and the back of the water nozzle and used for testing the front and the back pressure of the water nozzle so as to calculate the overflow of the water nozzle. The stacked control water nozzle 12 is a double-layer stacked water nozzle, and the stacked control water nozzle 12 is arranged between a water outlet 13 and a water inlet 14; the water faucet comprises two disks which are stacked up and down, a water drainage hole is formed in the same position of each disk, the upper disk is connected with a transmission mechanism 11, and a resistance reduction motor drives the upper disk and the lower disk of a stacked control water faucet 12 to rotate through the transmission mechanism so as to adjust the opening of the water faucet. Preferably, the water discharge holes on each disk are two fan-shaped openings which are symmetrical about the center of the disk. Under the drive of the transmission mechanism, the fan-shaped ports of the two disks are overlapped or staggered, the water discharge amount is the largest when the two disks are overlapped, the two disks are completely staggered, and water flow cannot pass through the disks.
The main flow passage 7 is a main flow passage, and the water outlet 13, the stacked control water nozzle 12 and the water inlet 14 form a layered flow passage in the layered water injection process.
The utility model also provides a control method of intelligent water injection mandrel in pit, including following step:
the control module 9 receives flow signals which are tested by the ground flow testing device and transmitted by the carrier technology, obtains required flow data by decoding, simultaneously tests the front and rear pressures of the water nozzle by the front and rear pressure sensors of the overlapped control water nozzle, obtains flow model parameters by calculation, and establishes an initial model for the subsequent flow self-learning process. After normal water injection, the control module continuously collects data such as the front pressure and the rear pressure of the test water nozzle of the front pressure sensor and the rear pressure sensor of the stacked control water nozzle and the equivalent area of the corresponding stacked control water nozzle, and then continuously corrects the parameters of the flow regulation model, and the flow data is calculated and compared with the designed geological injection amount, if the result meets the injection allocation requirement, the water nozzle is not moved, otherwise, the resistance reduction motor drives the stacked control water nozzle to regulate the layered water amount.
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.
Although the present invention has been described in connection with the appended drawings, it is not intended to limit the invention to the particular embodiments described above, which are intended to be illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the claims appended hereto.
Claims (9)
1. An underground intelligent water distributor is characterized by comprising an upper sleeve (6), a main overflowing channel (7), a lower sleeve (15) and a water injection adjusting device;
the upper sleeve (6), the main overflowing channel (7) and the lower sleeve (15) are connected in sequence,
the water injection adjusting device is arranged beside the main overflow channel (7), and comprises a series battery pack (8), a control module (9), a resistance-reducing motor (10) and a water injection barrel (16) which are sequentially connected, wherein the series battery pack (8), the control module (9) and the resistance-reducing motor (10) are electrically connected; the series battery pack (8) is connected with the upper sleeve (6), and the water injection barrel (16) is connected with the lower sleeve (15);
the water injection barrel (16) is provided with a water inlet (14) communicated with the main overflowing channel (7) and a water outlet (13) communicated with the outside; a transmission mechanism (11) and a stacked control water nozzle (12) are arranged in the water injection barrel (16), and the resistance reduction motor (10) is connected with the stacked control water nozzle (12) through the transmission mechanism (11); the water outlet (13), the stacked control water nozzle (12) and the water inlet (14) form a layered water flow channel in the layered water injection process.
2. A downhole intelligent water distributor according to claim 1, wherein the stacked control water nozzle (12) is a double-layered stacked water nozzle, and comprises two disks stacked up and down, wherein the same position of each disk is provided with a water discharge hole, the upper disk is connected with a transmission mechanism (11), and a drag reduction motor drives the upper and lower disks of the stacked control water nozzle (12) to rotate through the transmission mechanism so as to adjust the opening degree of the water nozzle.
3. A downhole intelligent water distributor according to claim 1, wherein the water inlet and outlet of the stack-shaped control water nozzle (12) are provided with pressure sensors, and the pressure sensors are electrically connected with the control module (9).
4. The underground intelligent water distributor according to claim 3, wherein the control module (9) is used for establishing a layered water distributor water nozzle throttling model, testing absolute pressure by adopting a water nozzle front and rear pressure sensor, calculating the flow of the water nozzle by referring to the equivalent area of the overlapped control water nozzle (12), and comparing the flow with a preset geological injection amount to execute water nozzle adjustment.
5. A downhole intelligent water distributor according to claim 4, wherein the control module (9) is further adapted to continuously modify the model parameters according to the test data volume after the model is built.
6. A downhole intelligent water distributor according to claim 4, wherein the control module (9) is a single chip microcomputer or a logic circuit, and the control module (9) is in communication connection with a ground flow testing device.
7. A downhole intelligent water distributor according to claim 1, wherein the upper sleeve (6) and the lower sleeve (15) are in threaded connection with the main overflow channel (7); the upper sleeve (6) and the lower sleeve (15) are connected with the water injection adjusting device in an inserting way and are sealed.
8. A downhole intelligent water distributor according to claim 1, wherein the series battery (8), the control module (9), the drag reduction motor (10) and the water injection cylinder (16) are all in plug-in connection, and the connection is sealed by double rubber rings.
9. A downhole intelligent water distributor according to claim 1, wherein the upper sleeve (6) and the lower sleeve (15) are connected with the oil pipe through screw threads, and the upper end of each water distributor is connected with a water injection packer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920251873.8U CN209908474U (en) | 2019-02-28 | 2019-02-28 | Intelligent water distributor in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920251873.8U CN209908474U (en) | 2019-02-28 | 2019-02-28 | Intelligent water distributor in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209908474U true CN209908474U (en) | 2020-01-07 |
Family
ID=69031964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920251873.8U Active CN209908474U (en) | 2019-02-28 | 2019-02-28 | Intelligent water distributor in pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209908474U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763798A (en) * | 2019-02-28 | 2019-05-17 | 中国石油天然气股份有限公司 | Underground intelligent water distributor and control method thereof |
| CN113514241A (en) * | 2021-07-07 | 2021-10-19 | 中国石油化工股份有限公司 | Testing device for characteristic parameters of underground water distributor |
| CN115012888A (en) * | 2022-07-14 | 2022-09-06 | 东方宝麟科技发展(北京)有限公司 | Separate-layer water injection method and separate-layer water injection device free of downhole flowmeter |
-
2019
- 2019-02-28 CN CN201920251873.8U patent/CN209908474U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763798A (en) * | 2019-02-28 | 2019-05-17 | 中国石油天然气股份有限公司 | Underground intelligent water distributor and control method thereof |
| CN113514241A (en) * | 2021-07-07 | 2021-10-19 | 中国石油化工股份有限公司 | Testing device for characteristic parameters of underground water distributor |
| CN113514241B (en) * | 2021-07-07 | 2024-04-09 | 中国石油化工股份有限公司 | Testing device for characteristic parameters of underground water distributor |
| CN115012888A (en) * | 2022-07-14 | 2022-09-06 | 东方宝麟科技发展(北京)有限公司 | Separate-layer water injection method and separate-layer water injection device free of downhole flowmeter |
| CN115012888B (en) * | 2022-07-14 | 2024-05-17 | 东方宝麟科技发展(北京)有限公司 | Separate layer water injection method and separate layer water injection device of underground flowmeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209908474U (en) | Intelligent water distributor in pit | |
| CN109763798A (en) | Underground intelligent water distributor and control method thereof | |
| CN108374654B (en) | Intelligent water distribution device for high-pressure well and process method | |
| CN108121369B (en) | Intelligent water injection remote control device and method | |
| CN105986791A (en) | Intelligent eccentric remote water distributor, intelligent separated layer water injection tubular column, intelligent remote measuring and control device and intelligent remote measured and regulated separated layer water injection method | |
| CN109025926A (en) | A kind of centralized control type intelligence separate layer water injection string and regulator control system | |
| CN111075412A (en) | Real-time monitoring and automatic allocation process system and method for underground separate-zone water injection | |
| CN206220877U (en) | Underground cable wet joint suitable for cabled digital separate injection | |
| CN117248872B (en) | Underground integrated intelligent injection allocation device for realizing one allocation and two allocation and measuring and adjusting method | |
| CN205936555U (en) | Intelligent sectional water injection process pipe column for horizontal well huff and puff | |
| CN109751020A (en) | Intelligent separate-layer water injection and separate-layer oil production pipe column of horizontal well and process method | |
| CN209129591U (en) | A kind of achievable slim-hole water injection well layering surveys the device of tune water filling | |
| CN106761604A (en) | A kind of high angle hole intelligence separate-layer production string and its operational method | |
| CN109386266A (en) | Cable-controlled intelligent layered water injection device system and construction process thereof | |
| CN109826600A (en) | A kind of fracture-pore reservoir nitrogen injection oil recovery opportunity preferred method | |
| CN111827941A (en) | Intelligent oil field injection-production real-time optimization and regulation simulation experiment system and method | |
| CN209483322U (en) | Direct-reading intelligent separate-injection water distribution device | |
| CN109723426A (en) | A kind of underground permanent setting type flow testing device | |
| CN212272149U (en) | Underground real-time monitoring and automatic allocation electric water distributor | |
| CN206071551U (en) | Preset cable type underground integrated measurement and control production allocator | |
| CN109538179B (en) | Underground self-adaptive water injection control device and control method | |
| CN117211745A (en) | Large-displacement cable control, measurement and adjustment intelligent water distributor | |
| CN209742865U (en) | Intelligent layered water injection and layered oil production pipe column for horizontal well | |
| CN217712519U (en) | Layering water injection system based on wave code communication | |
| CN207437036U (en) | Pressure flow double-carrier underground and ground communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |