CN206554900U - A kind of water injection well layering Intelligent water injection tubing string - Google Patents
A kind of water injection well layering Intelligent water injection tubing string Download PDFInfo
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- CN206554900U CN206554900U CN201621436052.4U CN201621436052U CN206554900U CN 206554900 U CN206554900 U CN 206554900U CN 201621436052 U CN201621436052 U CN 201621436052U CN 206554900 U CN206554900 U CN 206554900U
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- cable
- injection well
- flow regulator
- downhole flow
- well downhole
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Abstract
The utility model provides a kind of water injection well layering Intelligent water injection tubing string, including upper oil pipe, cable and ground controller, the upper oil pipe lower end is connected with cable-passing packer, upper cable-passing packer lower end is connected with upper injection well downhole flow regulator by tubing nipple, upper electromagnetic flowmeter is serially connected with by tubing nipple between the upper injection well downhole flow regulator and upper cable-passing packer, the upper injection well downhole flow regulator lower end is connected with lower cable-passing packer by tubing nipple, the lower cable-passing packer lower end is connected with lower injection well downhole flow regulator by oil pipe, lower electromagnetic flowmeter is serially connected with by tubing nipple between the lower injection well downhole flow regulator and lower cable-passing packer；The lower injection well downhole flow regulator lower end is connected with lower oil pipe, and the lower oil pipe lower end is provided with device for plug of sieve tube；The cable is connected with upper cable-passing packer, upper injection well downhole flow regulator, lower injection well downhole flow regulator and lower cable-passing packer respectively, and cable upper end is connected with ground controller.This tubing string can be placed in shaft bottom for a long time, reduce operating cost, and layering is accurate, stable injection.
Description
Technical field
The present invention relates to a kind of water injection well layering Intelligent water injection tubing string, belong to technical field of petroleum extraction.
Background technology
Oil field early stage is applied to secondary oil recovery initial stage using the injection distribution system of commingled water injection, using stratum commingled water injection side
Formula, it is impossible to realize multi-zone flow regulating, serious interlayer interference, and water injection well can not be completed using commingled water injection mode and efficiently survey tune,
Survey and adjust the injection allocation qualification rate at completion initial stage still to reach requirement, but injection allocation qualification rate constantly declines with the time, and due to water injection well
Pressure oscillation is larger, need to shorten survey the tune cycle just can guarantee that higher injection allocation qualification rate, thus cause survey adjust workload surge.Layer
Between aggravation of contradictions, interlayer difference makes water filling qualification rate quickly reduce, and half-time water filling is unqualified.Dispensing well number and the number of plies are not
Disconnected increase, test job amount increases year by year.
Utility model content
In order to meet the actual process requirement of China's ultra-high water-containing development period water driving technology, ultra-high water cut stage water injection well is solved
The problem of intelligent injection allocation new technology and kit, the utility model provides a kind of water injection well layering Intelligent water injection tubing string, this reality
With new using injection well downhole flow regulator and cable-passing packer cooperation practicality is digitized, multi information test is combined into uniformly with flow control
Be integrally placed at underground, in fixed tubular column, be not required to any construction in the case of, complete the accurate, convenient of each laminar flow amount of water injection well and adjust
Section.
The technical solution adopted in the utility model is：
A kind of water injection well layering Intelligent water injection tubing string, including upper oil pipe, cable and ground controller, the upper oil pipe lower end
Cable-passing packer is connected with, upper cable-passing packer lower end is connected with upper injection well downhole flow regulator, the upper water distribution by tubing nipple
Upper electromagnetic flowmeter is serially connected with by tubing nipple between device and upper cable-passing packer, the upper injection well downhole flow regulator lower end passes through oil pipe
Pipe nipple is connected with lower cable-passing packer, and the lower cable-passing packer lower end is connected with lower injection well downhole flow regulator by oil pipe, it is described under
Lower electromagnetic flowmeter is serially connected with by tubing nipple between injection well downhole flow regulator and lower cable-passing packer；The lower injection well downhole flow regulator lower end connection
There is lower oil pipe, the lower oil pipe lower end is provided with device for plug of sieve tube；The cable respectively with upper electromagnetic flowmeter, upper injection well downhole flow regulator, lower electricity
Magnetic flowmeter, the connection of lower injection well downhole flow regulator, and cable upper end are connected with ground controller.
The cable in oil pipe pass through upper cable-passing packer after with the upper electromagnetic current below upper cable-passing packer
Gauge, upper injection well downhole flow regulator are connected respectively, cable be then passed through after lower cable-passing packer respectively with below lower cable-passing packer under
Electromagnetic flowmeter, the connection of lower injection well downhole flow regulator.
The lower oil pipe is provided with double acting valve valve.
Anti-corrosion material is scribbled in connected pipes between the upper oil pipe, lower oil pipe and each part.
The upper injection well downhole flow regulator and lower injection well downhole flow regulator are digital injection well downhole flow regulator.
The beneficial effects of the utility model are：
Every layer of electric power system is all independent, and upper strata disconnection fault does not influence the electric power system of lower floor, survey tune cycle can nothing
Limit it is short, shaft bottom can be placed on for a long time, it is not necessary to multiple lift pipe string reduce operating cost, save it is artificial be measured and tuned into this, point
Layer is accurate, fluence on-line measurement and regulation and control are matched somebody with somebody in stable injection, water filling, is adjusted when surveying, ground facilitates adjustable, without stopping well and special
Survey is shunt, and labor intensity is low, is surveyed and is adjusted efficiency high, surveys the tune cycle and can arbitrarily shorten, higher injection allocation qualification rate, nothing is effectively ensured
Need underground to dock, adjust success rate 100%.
It is further detailed below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is a kind of water injection well layering Intelligent water injection system pie graph of the present utility model.
In figure, reference is：1st, device for plug of sieve tube；2nd, double acting valve valve；3rd, lower injection well downhole flow regulator；4th, lower electromagnetic flowmeter；
5th, lower cable-passing packer；6th, upper injection well downhole flow regulator；7th, upper electromagnetic flowmeter；8th, upper cable-passing packer；9th, upper oil pipe；10th, ground
Controller；11st, cable；12nd, lower oil pipe.
Embodiment
Embodiment 1：
In order to meet the actual process requirement of China's ultra-high water-containing development period water driving technology, ultra-high water cut stage water injection well is solved
The problem of intelligent injection allocation new technology and kit, the utility model provides a kind of water injection well layering as shown in Figure 1 and intelligently noted
Water pipe post, the utility model coordinates practical using digitlization injection well downhole flow regulator and cable-passing packer, by multi information test and flow control
System is combined into and is uniformly integrally placed at underground, in fixed tubular column, be not required to any construction in the case of, complete each laminar flow amount of water injection well
Accurately, convenient regulation.
A kind of water injection well layering Intelligent water injection tubing string, including upper oil pipe 9, cable 11 and ground controller 10, it is described to oil
The lower end of pipe 9 is connected with cable-passing packer 8, and the upper lower end of cable-passing packer 8 is connected with upper injection well downhole flow regulator 6 by tubing nipple,
Upper electromagnetic flowmeter 7, the upper water distribution are serially connected with by tubing nipple between the upper injection well downhole flow regulator 6 and upper cable-passing packer 8
The lower end of device 6 is connected with lower cable-passing packer 5 by tubing nipple, and the lower lower end of cable-passing packer 5 is connected by oil pipe
There is lower injection well downhole flow regulator 3, lower electromagnetic flowmeter is serially connected with by tubing nipple between the lower injection well downhole flow regulator 3 and lower cable-passing packer 5
4；The lower end of lower injection well downhole flow regulator 3 is connected with lower oil pipe 12, and the lower lower end of oil pipe 12 is provided with device for plug of sieve tube 1；11 points of the cable
It is not connected with upper electromagnetic flowmeter 7, upper injection well downhole flow regulator 6, lower electromagnetic flowmeter 4, lower injection well downhole flow regulator 3, and the upper end of cable 11 is controlled with ground
Device 10 processed is connected.
In the present embodiment, as shown in figure 1, the oil reservoir two in artificial well is located at the lower section of oil reservoir one, lower cable-passing packer 5
Between oil reservoir one and oil reservoir two, upper cable-passing packer 8 is located at the top of oil reservoir one.
The cable-passing packer of each in the utility model lower end is equipped with an electromagnetic flowmeter and an injection well downhole flow regulator,
So upper and lower two cable-passing packers are then two lines, and upper and lower every layer of electric power system is all independent, upper strata power-off event
Barrier does not influence the electric power system of lower floor, survey tune cycle infinitely to shorten.
After present apparatus tripping in sleeve pipe, pressurizeed so that two cable-passing packers are set, led to after setting in well head
Cross the information carrying signal of cable 11 so that water nozzle is opened or closed to two injection well downhole flow regulators, and water filling is carried out to oil reservoir.
This tubing string is by electromagnetic flowmeter come metered flow, and whole metering process simple, intuitive, ground controller 10 passes through
The signal that cable 11 is transmitted carries out the control of uninterrupted to injection well downhole flow regulator, while ground controller can connect computer, in meter
Directly manipulated on calculation machine, carry out on-line measurement and regulation and control, adjusted, ground facilitates adjustable, shunt without stopping well and special survey when surveying
, labor intensity is low, surveys and adjusts efficiency high, survey tune cycle arbitrarily to shorten, higher injection allocation qualification rate is effectively ensured, without underground
Docking, adjusts success rate 100%.The tubing string that the utility model is provided can be placed on shaft bottom for a long time, it is not necessary to which multiple lift pipe string subtracts
Lacked operating cost, save it is artificial be measured and tuned into this, layering is accurate, stable injection.
Embodiment 2：
On the basis of above-described embodiment, in the present embodiment, the cable 11 in oil pipe crosses cable envelope through upper
It is connected respectively every upper electromagnetic flowmeter 7, the upper injection well downhole flow regulator 6 after device 8 with the upper lower section of cable-passing packer 8, cable 11 is then passed through down
Lower electromagnetic flowmeter 4, lower injection well downhole flow regulator 3 after cable-passing packer 5 respectively with the lower lower section of cable-passing packer 5 are connected.
Anti-corrosion material is scribbled in connected pipes between the upper oil pipe 9, lower oil pipe 12 and each part.
Anti-corrosion material is scribbled in connected pipes between the upper oil pipe 9, lower oil pipe 12 and each part.Ensure for a long time not
In the case of taking out tubing string, oil pipe is not damaged by corrosion, and causes tubing string to fail.
The lower oil pipe 12 is provided with double acting valve valve 2.In cable-passing packer is set, double acting valve valve 2 is closed
Close, it is ensured that cable-passing packer is preferably set.After whole water filling terminates, double acting valve valve 2 is opened to being deposited in oil pipe
Water discharged.
The upper injection well downhole flow regulator 6 and lower injection well downhole flow regulator 3 are digital injection well downhole flow regulator.
The utility model in operation process of going into the well, first by steel armored cable 11 under the protection of proprietary strain relief clamp with
Cable-passing packer is connected, cable-passing packer and electromagnetic flowmeter, digital injection well downhole flow regulator, the intelligent injection allocation tool string of composition, one
Layer by layer it is lower arrive underground precalculated position.
The cable 11 of measurement effectively prevent bending phenomenon, Er Qiemi in protection of the well head by cable seal well head excessively
Seal effect good.Anti-theft cap is set by jackscrew outside the adapter sleeve of leakage, good anti-theft effect is played, by cable 11 and ground
Controller 10 is connected, and directly controls and detects on ground.
The fixation of cable-passing packer steel armored cable, by the fixation kit of cable-passing packer armouring 3.2mm cables
11 are fixed in main body semilune cell body, and cable 11 is sealed by sealing device, are set form to reach and are set pressure
Power, cuts release pin, by broached-tooth design promotion glue bucket to expanding, completes setting, deblocking form is above to carry oil pipe solution sealed knot
Structure is moved up, and cuts deblocking pin, and glue bucket has shrink space, completes deblocking.
The joint sealing form of the cable 11 of leakage is that sectional gland bush is deformed under the squeezing action of clamp nut,
Cable 11 is held tightly, so as to ensure that the reliable sealing of the junction of cable 11；Meanwhile, encapsulant uses polytetrafluoroethylene (PTFE), can
So that the whole joint of cable 11 is conveniently dismantled and is used for multiple times.
It is all it is of the present utility model basis and principle within, any modification, equivalent substitution and improvements made etc. all should be wrapped
It is existing known technology to be contained in the device and part being related within protection domain of the present utility model in the utility model,
Detailed narration will be no longer carried out in the utility model.
Claims (5)
1. a kind of water injection well layering Intelligent water injection tubing string, it is characterised in that：Including upper oil pipe（9）, cable（11）With ground control
Device（10）, the upper oil pipe（9）Lower end is connected with cable-passing packer（8）, upper cable-passing packer（8）Lower end passes through oil pipe
Pipe nipple is connected with injection well downhole flow regulator（6）, the upper injection well downhole flow regulator（6）With upper cable-passing packer（8）Between concatenated by tubing nipple
There is upper electromagnetic flowmeter（7）, the upper injection well downhole flow regulator（6）Lower end is connected with lower cable-passing packer by tubing nipple（5）, it is described
Lower cable-passing packer（5）Lower end is connected with lower injection well downhole flow regulator by tubing nipple（3）, the lower injection well downhole flow regulator（ 3）With playing cable
Packer（5）Between lower electromagnetic flowmeter is serially connected with by tubing nipple（4）；The lower injection well downhole flow regulator（3）Lower end is connected with lower oil
Pipe（12）, the lower oil pipe（12）Lower end is provided with device for plug of sieve tube（1）；The cable（11）Respectively with upper electromagnetic flowmeter（7）, on
Injection well downhole flow regulator（6）, lower electromagnetic flowmeter（4）, lower injection well downhole flow regulator（3）Connection, and cable（11）Upper end and ground controller（10）Connection.
2. a kind of water injection well layering Intelligent water injection tubing string according to claim 1, it is characterised in that：Cable in oil pipe
（11）Through upper cable-passing packer（8）Afterwards with upper cable-passing packer（8）The upper electromagnetic flowmeter of lower section（7）, upper injection well downhole flow regulator
（6）Connect respectively, cable（11）It is then passed through lower cable-passing packer（5）Afterwards respectively with lower cable-passing packer（5）Under lower section
Electromagnetic flowmeter（4）, lower injection well downhole flow regulator（3）Connection.
3. a kind of water injection well layering Intelligent water injection tubing string according to claim 1, it is characterised in that：The lower oil pipe（12）
It is provided with double acting valve valve（2）.
4. a kind of water injection well layering Intelligent water injection tubing string according to claim 1, it is characterised in that：The upper oil pipe（9）、
Lower oil pipe（12）Anti-corrosion material is scribbled in connected pipes between each part.
5. a kind of water injection well layering Intelligent water injection tubing string according to claim 1, it is characterised in that：The upper injection well downhole flow regulator
（6）With lower injection well downhole flow regulator（3）It is digital injection well downhole flow regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621436052.4U CN206554900U (en) | 2016-12-26 | 2016-12-26 | A kind of water injection well layering Intelligent water injection tubing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621436052.4U CN206554900U (en) | 2016-12-26 | 2016-12-26 | A kind of water injection well layering Intelligent water injection tubing string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206554900U true CN206554900U (en) | 2017-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621436052.4U Active CN206554900U (en) | 2016-12-26 | 2016-12-26 | A kind of water injection well layering Intelligent water injection tubing string |
Country Status (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756838A (en) * | 2018-07-05 | 2018-11-06 | 中国石油天然气股份有限公司 | The nonmetallic continuous pipe observing and controlling seperated layer water injection system and its operating method of pre-buried cable |
| CN109538180A (en) * | 2019-01-07 | 2019-03-29 | 中国石油天然气股份有限公司 | A kind of process pipe string and method having the digital dispensing Operating Pressure of cable |
| CN109577931A (en) * | 2018-12-25 | 2019-04-05 | 贵州航天凯山石油仪器有限公司 | A kind of intelligence distributor |
| CN110836108A (en) * | 2018-08-16 | 2020-02-25 | 中国石油天然气股份有限公司 | Injection-production integrated production string |
| CN111749661A (en) * | 2019-03-29 | 2020-10-09 | 中国石油天然气股份有限公司 | Injection-production conversion mining device and assembling method thereof |
| CN113803033A (en) * | 2021-09-18 | 2021-12-17 | 西安洛科电子科技股份有限公司 | Tubular column regulating and controlling device for intelligent separate layer water injection and use method thereof |
-
2016
- 2016-12-26 CN CN201621436052.4U patent/CN206554900U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756838A (en) * | 2018-07-05 | 2018-11-06 | 中国石油天然气股份有限公司 | The nonmetallic continuous pipe observing and controlling seperated layer water injection system and its operating method of pre-buried cable |
| CN110836108A (en) * | 2018-08-16 | 2020-02-25 | 中国石油天然气股份有限公司 | Injection-production integrated production string |
| CN109577931A (en) * | 2018-12-25 | 2019-04-05 | 贵州航天凯山石油仪器有限公司 | A kind of intelligence distributor |
| CN109538180A (en) * | 2019-01-07 | 2019-03-29 | 中国石油天然气股份有限公司 | A kind of process pipe string and method having the digital dispensing Operating Pressure of cable |
| CN111749661A (en) * | 2019-03-29 | 2020-10-09 | 中国石油天然气股份有限公司 | Injection-production conversion mining device and assembling method thereof |
| CN113803033A (en) * | 2021-09-18 | 2021-12-17 | 西安洛科电子科技股份有限公司 | Tubular column regulating and controlling device for intelligent separate layer water injection and use method thereof |
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