CN205936555U - Horizontal well intelligence segmentation water injection technology tubular column of taking in and send out - Google Patents
Horizontal well intelligence segmentation water injection technology tubular column of taking in and send out Download PDFInfo
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- CN205936555U CN205936555U CN201620803061.6U CN201620803061U CN205936555U CN 205936555 U CN205936555 U CN 205936555U CN 201620803061 U CN201620803061 U CN 201620803061U CN 205936555 U CN205936555 U CN 205936555U
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Abstract
The utility model provides a horizontal well intelligence segmentation water injection technology tubular column of taking in and send out, include sleeve pipe, oil pipe and locate the safety joint of oil pipe front end and the horizontal well bottom valve of oil pipe end, be provided with at least three horizontal well intelligence water injection mandrel between safety joint and the horizontal well bottom valve on the oil pipe, the oil pipe cover is equipped with a horizontal well packer between adjacent two horizontal wells intelligence water injection mandrel, and wherein, a horizontal well centralizer is all installed to the end of the front end of first horizontal well packer and final horizontal well packer. The utility model provides a horizontal well intelligence segmentation water injection technology tubular column of taking in and send out can not only the satisfaction level well takes in and send out the multistage and divides and annotate, has higher injection speed and lower injection pressure, and uneven phenomenon, enhanced oil recovery by a wide margin absorb water between adjustment layer, and can go on in the pit segmenting that the automatic measure and regulate of flow, creation data save in real time, stratum pressure drop test.
Description
Technical field
A kind of this utility model belongs to separated-zone water infection oil field development technique field and in particular to horizontal well is handled up automatic paragraphing
Water injection technological string.
Background technology
In the fine and close oil development process of oil field, due to leading to stratum energy seriously in debt using the exploitation of quasi- natural energy, front
Phase has carried out horizontal well commingled water injection and has handled up test, only improves the recovery percent of reserves of monolayer, and the recovery percent of reserves of entirety is relatively
Low.Later stage tests display by intake profile, and part of horizontal well commingled water injection intake profile is particularly thorny, there is interval and absorbs water not
All phenomenons are it is impossible to reach expected flood effectiveness.
In order to preferably play horizontal well development potential, domestic and international association area has all carried out the spy of horizontal well in segments water filling
Rope, dispensing hop count 2-3 section, mostly adopt coiled tubing test, testing cost is high, complex process, research simultaneously finds that the later stage surveys
Examination allotment is difficult, can not carry out the supporting test such as stratum pressure fall-off test, leads to not to ensure that fine and close oil development level well is handled up adopt
Oily effect.
Utility model content
The purpose of this utility model is to meet the requirement of horizontal well automatic paragraphing water filling, improves fine and close oilfield horizontal well and gulps down
Tell development effectiveness, realize the purpose of surely oil control water.
For this reason, this utility model provides a kind of horizontal well handling up automatic paragraphing water injection technological string, including sleeve pipe, oil pipe
And the horizontal well bottom valve of the safety joint located at oil pipe front end and oil pipe end, between described safety joint and horizontal well bottom valve
At least three horizontal well intelligent watering devices are provided with oil pipe, between two neighboring horizontal well intelligent watering device, oil pipe is arranged with one
Individual horizontal well packer, wherein, the front end of first horizontal well packer and the end of last horizontal well packer are all pacified
Fill a horizontal well centralizer.
Described horizontal well intelligent watering device includes shell, the cavity located at enclosure, between described shell and cavity
It is provided with control system, described annular space middle and lower part is provided with the effusion meter water inlet connecting with cavity, under effusion meter water inlet in annular space
It is provided with vortex-shedding meter in the annular space of side, in annular space below this vortex-shedding meter, be provided with the effusion meter outlet connecting with cavity；
It is provided with flow control valve, Flow-rate adjustment with bottom in the annular space on described effusion meter water inlet position radial direction opposite
It is provided with the outlet communicating with shell, described flow control valve is connected with power transmission shaft, the power transmission shaft other end is connected with electricity above valve
Machine.
Described control system includes wireless communication module, power module, main control unit, temperature sensor, pressure transducer,
Described motor, wireless communication module, temperature sensor, pressure transducer are electrically connected with main control unit respectively, described main control unit
Electrically connect with power module.
The upper and lower side of described cavity concatenates formation oil pipe column with oil pipe short circuit.
Described horizontal well packer is FK341 type horizontal well packer.
The beneficial effects of the utility model are：The horizontal well that this utility model provides is handled up automatic paragraphing water injection technological string
Horizontal well can not only be met handle up multistage dispensing, there is higher injection rate and relatively low injection pressure, adjustment interlayer water suction
Uneven phenomenon, increases substantially recovery ratio；And can carry out down-hole segmentation flow automatically survey tune, creation data real-time storage,
Layer pressure fall-off test.
It is described in further details below in conjunction with accompanying drawing.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of horizontal well intelligent watering device.
In figure：1st, sleeve pipe；2nd, oil pipe；3rd, safety joint；4th, first level well intelligent watering device；401st, the second horizontal well intelligence
Can injection well downhole flow regulator；402nd, the 3rd horizontal well intelligent watering device；5th, first level well centralizer；501st, the second horizontal well centralizer；6、
First level well packer；601st, the second horizontal well packer；7th, horizontal well bottom valve；8th, wireless communication module；9th, power module；
10th, main control unit；11st, pressure transducer；12nd, motor；13rd, flow control valve；14th, power transmission shaft；15th, effusion meter water inlet；16、
Vortex-shedding meter；17th, effusion meter outlet；18th, outlet；19th, shell；20th, cavity；21st, annular space.
Specific embodiment
Embodiment 1：
Present embodiments provide a kind of horizontal well to handle up automatic paragraphing water injection technological string, including sleeve pipe 1, oil pipe 2 and
Safety joint 3 located at oil pipe 2 front end and the horizontal well bottom valve 7 of oil pipe 2 end, described safety joint 3 and horizontal well bottom valve 7 it
Between be provided with least three horizontal well intelligent watering devices on oil pipe 2, between two neighboring horizontal well intelligent watering device, oil pipe 2 is sheathed
There is a horizontal well packer, wherein, the front end of first horizontal well packer and the end of last horizontal well packer
It is respectively mounted a horizontal well centralizer.
Set：Prepare after tubing string from bottom to top successively in lower going-into-well.Lower completion tubular column, confirms that packer set position is correct
Afterwards, open sleeve pipe 1 gate, built the pressure from oil pipe 2 with cementing truck, 5MPa, 10MPa, 15MPa, 20MPa, each pressure voltage stabilizing 5min,
After rise to 25MPa, voltage stabilizing 5min, observe sleeve pipe 1 outlet and have or not overflow, it is qualified that pressure drop is not more than 0.5MPa.Pressure is closed
Standard of pressing after lattice installs water injection well, good well head water filling flow process, connects ground waterflood-transmission line, enters by design requirement injection allocation amount
Row water filling.After normal water filling, laminated distributor under well data is stored by horizontal well intelligent watering device Real-time Collection, and carries out zonal flow rate
Automatically tune, stratum pressure fall-off test etc. are surveyed.
Deblocking：After oil pipe 2 pressure release, in well head upper lifting pipe post load to 80KN, break deblocking shear pin, packing element reclaims
Deblocking.If upper lifting pipe post unseals unsuccessfully, hydraulic pressure deblocking can be realized by the method from oil jacket annular space huge discharge anti-flushing well.
Embodiment 2：
On the basis of embodiment 1, present embodiments provide a kind of horizontal well as shown in Figure 1 and handle up automatic paragraphing water filling
Process pipe string, as a example the tubing string for 3 sections of horizontal wells for the present embodiment, in work progress according to conceptual design by pipe string combination by
Upper and under be sequentially connected, i.e. oil pipe 2, safety joint 3, first level well intelligent watering device 4, first level well centralizer 5, first
Horizontal well packer 6, the second horizontal well intelligent watering device 401, the second horizontal well packer 601, the second horizontal well centralizer
501st, the 3rd horizontal well intelligent watering device 402, horizontal well bottom valve 7.
Wherein, horizontal well intelligent watering device includes shell 19, the cavity 20 within located at shell 19, described shell 19 and chamber
It is provided with control system, described annular space 21 middle and lower part is provided with the effusion meter water inlet connecting with cavity 20 in annular space 21 between body 20
15, it is provided with vortex-shedding meter 16 in the annular space 21 of effusion meter water inlet 15 lower section, set in this vortex-shedding meter 16 lower section annular space 21
There is the effusion meter outlet 17 connecting with cavity 20；
It is provided with flow control valve 13 with bottom in the annular space 21 on described effusion meter water inlet 15 position radial direction opposite, stream
It is provided with the outlet 18 communicating with shell 19, described flow control valve 13 is connected with power transmission shaft 14, transmission above adjustable valve 13
Axle 14 other end is connected with motor 12.
Control system includes wireless communication module 8, power module 9, main control unit 10, temperature sensor, pressure transducer
11, described motor 12, wireless communication module 8, temperature sensor, pressure transducer 11 are electrically connected with main control unit 10 respectively, institute
State main control unit 10 to electrically connect with power module 9.
Work process：As shown in Fig. 2 arrow represents water (flow) direction, water is injected by central canal, by effusion meter water inlet 15
Flow through vortex-shedding meter 16, flow out from effusion meter outlet 17, via injection well downhole flow regulator annular space 21 runner, flow to flow control valve 13,
Flow out to oil jacket annular space through outlet 18.
When being in the survey tune cycle, after water injection rate is via vortex-shedding meter 16 detection, feed back to main control unit 10, with target
Injection allocation amount is compared, and when there is deviation with target injection allocation amount, by main control unit 10 controlled motor 12 rotating action, realizes
Current injection allocation amount is adjusted, and vortex-shedding meter 16 carries out real-time monitoring simultaneously, by present flow rate value constant feedback to main control unit 10
Carry out comparing, when main control unit 10 detects present flow rate and meets injection allocation requirement, controlled motor 12 is stopped adjusting, from
And the flow auto-control completing current period works, reenter holding state, wait next regulating cycle.This adjusts process
And the daily monitoring process setting, the monitoring parameter of all collections（The temperature that temperature sensor detects, pressure transducer 11 are examined
The pressure measuring）Also will be controlled by main control unit 10 and be stored in system, realize data storage function.Main control unit 10 can be central authorities
Processor.Temperature sensor and pressure transducer 11 have branched, and ring is arranged in same section, is not drawn into temperature and passes in Fig. 2
Sensor.
In the present embodiment, the upper and lower side of described cavity 20 concatenates formation oil pipe column with oil pipe 2 short circuit.Horizontal well packer
For FK341 type horizontal well packer, this model horizontal well packer adopts based on the deblocking of handling tubing string, supplemented by hydraulic pressure deblocking
Bilingual seal mode；Rely on the hydraulic pressure auxiliary deblocking system of ingehious design, it can be realized instead by the change of oil pipe 2 inside and outside differential pressure
Set again, unseal, when carrying tubing string and unsealing unsuccessfully, hydraulic pressure deblocking can be realized by the method for huge discharge anti-flushing well.
In the present embodiment, be provided with 2 horizontal well packers and 3 horizontal well intelligent watering devices naturally it is also possible to according to
Actual condition needs to arrange N number of horizontal well packer and N+1 horizontal well intelligent watering device carries out Conditions Matching, this utility model
This number of tools is not limited.
In sum, horizontal well automatic paragraphing water injection technological string of handling up can not only meet horizontal well and handles up multistage dispensing,
There is higher injection rate and relatively low injection pressure, adjustment interlayer water suction uneven phenomenon, increase substantially recovery ratio；And
Down-hole segmentation flow can be carried out and automatically survey tune, creation data real-time storage, stratum pressure fall-off test.
The method and structure of various embodiments above not narration in detail belongs to the common knowledge of the industry, does not chat one by one here
State.
Exemplified as above is only to illustration of the present utility model, does not constitute to protection domain of the present utility model
Limit, the every and same or analogous design of this utility model belongs within protection scope of the present invention.
Claims (5)
1. a kind of horizontal well is handled up automatic paragraphing water injection technological string, including sleeve pipe（1）, oil pipe（2）And located at oil pipe（2）Before
The safety joint at end（3）And oil pipe（2）The horizontal well bottom valve of end（7）It is characterised in that：Described safety joint（3）And level
Shaft bottom valve（7）Between oil pipe（2）On be provided with least three horizontal well intelligent watering devices, two neighboring horizontal well intelligent watering device
Between oil pipe（2）It is arranged with a horizontal well packer, wherein, the front end of first horizontal well packer and last level
The end of well packer is respectively mounted a horizontal well centralizer.
2. a kind of horizontal well according to claim 1 handle up automatic paragraphing water injection technological string it is characterised in that：Described water
Horizontal well intelligent watering device includes shell（19）, located at shell（19）Internal cavity（20）, described shell（19）And cavity（20）
Between annular space（21）Inside it is provided with control system, described annular space（21）Middle and lower part is provided with and cavity（20）The flow of connection counts water
Mouthful（15）, effusion meter water inlet（15）The annular space of lower section（21）Inside it is provided with vortex-shedding meter（16）, this vortex-shedding meter（16）Under
Square annular space（21）Inside it is provided with and cavity（20）The effusion meter outlet of connection（17）；
With described effusion meter water inlet（15）The annular space on position radial direction opposite（21）Interior bottom is provided with flow control valve（13）,
Flow control valve（13）Top is provided with and shell（19）The outlet communicating（18）, described flow control valve（13）It is connected with transmission
Axle（14）, power transmission shaft（14）The other end is connected with motor（12）.
3. a kind of horizontal well according to claim 2 handle up automatic paragraphing water injection technological string it is characterised in that：Described control
System processed includes wireless communication module（8）, power module（9）, main control unit（10）, temperature sensor, pressure transducer（11）,
Described motor（12）, wireless communication module（8）, temperature sensor, pressure transducer（11）Respectively with main control unit（10）It is electrically connected
Connect, described main control unit（10）With power module（9）Electrical connection.
4. a kind of horizontal well according to claim 3 handle up automatic paragraphing water injection technological string it is characterised in that：Described chamber
Body（20）Upper and lower side and oil pipe（2）Short circuit concatenation forms oil pipe column.
5. a kind of horizontal well according to claim 1 handle up automatic paragraphing water injection technological string it is characterised in that：Described water
Horizontal well packer is FK341 type horizontal well packer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620803061.6U CN205936555U (en) | 2016-07-28 | 2016-07-28 | Horizontal well intelligence segmentation water injection technology tubular column of taking in and send out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620803061.6U CN205936555U (en) | 2016-07-28 | 2016-07-28 | Horizontal well intelligence segmentation water injection technology tubular column of taking in and send out |
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| CN205936555U true CN205936555U (en) | 2017-02-08 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322645A (en) * | 2017-07-31 | 2019-02-12 | 中国石油天然气股份有限公司 | Horizontal well in segments water injection technological string and its concocting method |
| CN109469461A (en) * | 2018-12-06 | 2019-03-15 | 中国石油天然气股份有限公司 | A kind of horizontal well in segments is handled up sand control installation |
| CN109751020A (en) * | 2019-01-17 | 2019-05-14 | 中国石油天然气股份有限公司 | A kind of horizontal well intelligence seperated layer water injection and separate-layer production string and process |
| CN111042780A (en) * | 2019-12-19 | 2020-04-21 | 中国石油天然气股份有限公司 | Integrated horizontal well huff-puff sectional water injection intelligent water distribution device and method |
| CN112228020A (en) * | 2019-07-15 | 2021-01-15 | 中国石油天然气股份有限公司 | Horizontal well pressure flow double-carrier wave sectional water injection device and system |
| WO2022141136A1 (en) * | 2020-12-30 | 2022-07-07 | 重庆万普隆能源技术有限公司 | Energy-supplementing tubing string |
-
2016
- 2016-07-28 CN CN201620803061.6U patent/CN205936555U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322645A (en) * | 2017-07-31 | 2019-02-12 | 中国石油天然气股份有限公司 | Horizontal well in segments water injection technological string and its concocting method |
| CN109469461A (en) * | 2018-12-06 | 2019-03-15 | 中国石油天然气股份有限公司 | A kind of horizontal well in segments is handled up sand control installation |
| CN109469461B (en) * | 2018-12-06 | 2023-09-26 | 中国石油天然气股份有限公司 | Sand control device is hugged and disbursed in horizontal well segmentation |
| CN109751020A (en) * | 2019-01-17 | 2019-05-14 | 中国石油天然气股份有限公司 | A kind of horizontal well intelligence seperated layer water injection and separate-layer production string and process |
| CN109751020B (en) * | 2019-01-17 | 2023-08-22 | 中国石油天然气股份有限公司 | Intelligent layered water injection and layered oil production pipe column for horizontal well and technological method |
| CN112228020A (en) * | 2019-07-15 | 2021-01-15 | 中国石油天然气股份有限公司 | Horizontal well pressure flow double-carrier wave sectional water injection device and system |
| CN111042780A (en) * | 2019-12-19 | 2020-04-21 | 中国石油天然气股份有限公司 | Integrated horizontal well huff-puff sectional water injection intelligent water distribution device and method |
| WO2022141136A1 (en) * | 2020-12-30 | 2022-07-07 | 重庆万普隆能源技术有限公司 | Energy-supplementing tubing string |
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