CN106351627A - Subdivision measurement adjustment water distributor - Google Patents
Subdivision measurement adjustment water distributor Download PDFInfo
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- CN106351627A CN106351627A CN201610880117.2A CN201610880117A CN106351627A CN 106351627 A CN106351627 A CN 106351627A CN 201610880117 A CN201610880117 A CN 201610880117A CN 106351627 A CN106351627 A CN 106351627A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 245
- 238000005259 measurement Methods 0.000 title abstract description 15
- 238000009826 distribution Methods 0.000 claims description 76
- 238000012856 packing Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 3
- 108091006146 Channels Proteins 0.000 claims 3
- 102000010637 Aquaporins Human genes 0.000 claims 1
- 108010063290 Aquaporins Proteins 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 28
- 239000007924 injection Substances 0.000 description 28
- 239000010410 layer Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 7
- 210000003660 reticulum Anatomy 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to a subdivision measurement adjustment water distributor in the technical field of oil extraction tools. The subdivision measurement adjustment water distributor comprises an upper outer pipe and an inner guide drum arranged in the upper outer pipe in a clearance mode, the lower end of the upper outer pipe is in sealed connection with a water distributing main body, the water distributing main body is provided with an axial partial hole communicated with an annular space on the upper side, a double-layer adjustable water nozzle is arranged in the axial partial hole and provided with an upper water distributing channel and a lower water distributing channel, the outer wall of the water distributing main body is provided with an upper water outlet communicated with the upper water distributing channel, the lower water distributing channel is communicated with the lower portion of the axial partial hole, the water distributing main body is provided with an upper water inlet and a lower water inlet corresponding a center channel, the lower end of the water distributing main body is in sealed connection with a lower outer pipe and an inner flow dividing pipe, a lower water annular space is formed between the lower outer pipe and the inner flow dividing pipe, and the lower portion of the axial partial hole of the water distributing main body is communicated with the lower water annular space. The lower portion of the lower outer pipe is in sealed connection with an anti-flowback base packer, the lower end of the anti-flowback base packer is in sealed connection with a lower joint, the lower joint is provided with a lower water outlet communicated with the lower water annular space, and an anti-backwater structure is arranged in the lower water outlet.
Description
Technical field
The present invention relates to oil tool technical field, survey water flow regulator particularly to the subdivision for down-hole subdivision injection.
Background technology
At present, the stratified injection water technology in oil field develops towards intelligent direction, and a kind of is setting on traditional injection well downhole flow regulator
Adjustable water nozzle, using cable+adjust in survey tester and adjustable water nozzle docking mode, each parameter is transferred to ground, according to each
Layer injection allocation amount, sends instruction adjusting water faucet, advantage is using existing instrument, equipment and manpower, and cost is relatively low, deficiency is to expire
The requirement of sufficient subdivision of reservoir water injection well, the bridge-type concentric continuously adjustabe injection well downhole flow regulator of such as Patent No. 201320055951.x belongs to above-mentioned
Situation.Another kind is intelligent watering device, built-in adjustable water nozzle, micro machine, power supply and control circuit, effusion meter, piezometer and letter
The parts such as number transmitting-receiving, test parameter and instruction transmission are to pass through: the external cable of tubing string, lower cable+measurement and adjustment instrument+closely (2m with
Interior) completing, advantage is to adapt to high angle hole, thin interbed well dispensing etc., is not required to ground and surveys for wireless docking, downhole wireless transmission etc.
Examination troop and equipment etc.；Deficiency is: demarcates difficulty after effusion meter drift, power source life is short and adjustable mechanism changes inconvenient technology
, there is the problems such as individual well high cost, hardly possible checking, such as the cable type water injection well intelligence of the patent No. 201120566313.5 in a difficult problem simultaneously
Survey water flow regulator and the automatic survey tune of Patent No. 201220056520.0 belongs to this kind of situation with monitoring dispensing injection well downhole flow regulator.On
State patent and also have a common denominator: be exactly injection well downhole flow regulator be that two independent instruments need joint connection in site with packer.
Content of the invention
It is an object of the invention to provide the function of a kind of integrated one or two injection well downhole flow regulator and a packer, realize multiple thin mutual
The subdivision of interlayer oil well is surveyed and is adjusted, and reduces direct cost, and water flow regulator is surveyed in the subdivision improving the accuracy that survey is adjusted.
The object of the invention is realized in, and water flow regulator, including top connection, described top connection lower end are surveyed in a kind of subdivision
Periphery is tightly connected the upper exterior tube of hollow, and in described upper exterior tube, idle loop is provided with the interior guide cylinder being connected with top connection female thread, institute
State interior guide cylinder upper end inwall and be provided with guiding nib, described upper exterior tube lower end is tightly connected water distribution main body, described water distribution main body sets
There are the central passage connecting with upper exterior tube centre bore and an axially partially hole connecting with the annular space of upper exterior tube, the inclined in the hole of described axial direction sets
There is double-deck adjustable water nozzle, the side wall of described interior guide cylinder is provided with the guiding fluting through the double-deck adjustable water nozzle of guiding nib guiding；Institute
State double-deck adjustable water nozzle and be provided with water distribution passage and lower water distribution passage, described water distribution body outer wall is provided with and upper water distribution channel connection
Upper water-out mouth, described lower water distribution passage connect with the bottom in axially partially hole, the axial direction of described water distribution main body correspondence central passage
The side wall in hole partially is respectively equipped with upper water inlet and the lower water inlet with upper water distribution passage and lower water distribution channel connection, described water distribution
The lower end of main body is sealedly connected with lower outer pipe and interior isocon, is provided with lower water ring sky, institute between described lower outer pipe and interior isocon
The axially hole bottom partially stating water distribution main body is connected with lower water ring sky, and the lower seal of described lower outer pipe is connected with anti-returning and tells packing
Device, described interior isocon is provided with to extend downward prevents returning the lower intermediate tube told on the downside of a packer, and described anti-returning is told under packer
End is tightly connected lower contact, and described lower contact is provided with the lower outlet connecting with the lower water ring sky of interior isocon, described lower water outlet
It is provided with anti-effect returning water structure in mouthful.
The structure of the present invention, in onsite application, carries under integrated adjustable water nozzle lower going-into-well, first passes through oil pipe and sleeve pipe pressurization
Make anti-to return that to tell packer setting with sleeve pipe；Use the top surveying water flow regulator in cable+subdivision measurement and adjustment instrument lower going-into-well to subdivision again
When, stop descending, ground control segment be given open arms instruction, subdivision measurement and adjustment instrument mechanical adjustment arm spreading, more descending by leading
During to nib, mechanical adjustment arm is directed into completing to dock with double-deck adjustable water nozzle in the guiding fluting of guide cylinder, and subdivision is surveyed and adjusted
Seal section on instrument is accurately sitting in the upper water inlet of water distribution main body and lower water inlet, and two water inlets are separated；During water filling, survey
Adjust the flow of flow meter record two-layer water filling and the q12 of instrument, dirty gauge records a layer injection flow q2, upper strata beam amount
Q1=q12-q2, ground controls each data that display uploads in real time, according to injection allocation amount, provides regulating command and is finely adjusted, until two
Till lamination lattice, thus accurately monitoring the water injection rate of levels, improving to survey and adjusting efficiency and accuracy.
Further, anti-the returning of the present invention tells the transition joint that packer includes being tightly connected with lower outer pipe lower end, described
The lower water ring of transition joint upper interior connection is empty, and the bottom of described transition joint is connected with valve body, is provided with axial direction in described valve body
Eccentric through-hole, is provided with stopper rod moving up and down in described eccentric through-hole, it is little that described eccentric through-hole includes the big stage casing in aperture two ends
Top bar hole, middle stepped hole and hole of getting out of a predicament or an embarrassing situation, the upper oral part in described top bar hole is tightly connected plug, described stopper rod include with
The piston portion that top bar hole is tightly connected, the push rod on the upside of piston portion and the guide rod on the downside of piston portion, described push rod periphery upper
Step in the hole forms hydraulic cavities one, and described top bar hole side wall is provided with the radial direction through hole for connecting outer well set and hydraulic cavities one
One, the step in the hole on the downside of described piston portion forms hydraulic cavities two, and the central passage of hydraulic cavities two and interior isocon is passed through radially
Through hole two connects, and the lower aperture of described middle stepped hole is provided with ball seat and valve ball one, is sequentially provided with valve support, bullet on the downside of described valve ball one
Spring one and the fair water cone being connected with aperture thread seal under hole of getting out of a predicament or an embarrassing situation, described spring one elasticity act against valve support and fair water cone it
Between, thread seal connects upper jacket and central canal respectively for described valve body lower outer periphery and inner circumferential, and described upper jacket lower end is close successively
Envelope connects expansion packing element and lower jacket, is provided with setting annular space, described setting annular space is through leading between described central canal and shield packing element
Stream cap is connected with the hydraulic cavities two of valve ball one downside, is provided with the ring connecting with lower water ring sky between described central canal and lower intermediate tube
Empty.Anti- the returning of the present invention tells packer, and with job position under instrument lower going-into-well, when setting, oil pipe, sleeve pipe are pressurized to setting simultaneously
Pressure, stopper rod backs down downwards valve ball one, and the pressure fluid in hydraulic cavities two enters setting annular space, makes to rise and casing seat outside expansion packing element
Envelope, then sleeve pipe pressure release, valve ball one resets in the presence of spring one, and packer is in setting state.Hydraulic pressure in oil pipe enters
Enter, first unload casing pressure, rear emptying overpressure realization is packer set；Another kind of setting method is: pressurization in oil pipe, pressure
Valve ball one is backed down in the guide rod periphery through radial passage two, stopper rod for the power liquid, enters setting annular space, expansion packing element expansion is setting, then stops
When only pressurizeing, valve ball one, in the presence of reflux stream, spring one, is closed rapidly, makes packer process setting state；Hydraulic pressure solution
Envelope, first unloads that tubing string is intrinsic pressure, and by sleeve pipe liquid feeding pressure, pressure fluid is applied to the hydraulic cavities on the upside of stopper rod piston portion through radial direction through hole one
In one, pressure fluid promotes that stopper rod is descending backs down valve ball one, makes the pressure fluid in setting annular space be discharged in tubing string i.e. hydraulic pressure deblocking.This
Anti- the returning of invention tells packer, setting after, realize hydraulic pressure self-locking, the anti-ability of telling of returning is strong, hydraulic pressure deblocking mode flexibly, and combines
The double-deck water distribution structure of the present invention, it is achieved that lower going-into-well enters with injection well downhole flow regulator simultaneously, need not salvage dead mouth.
For preventing formation fluid reflux to oil pipe, the anti-effect returning water structure of the present invention includes and lower outlet port of export endoporus spiral shell
Valve bonnet and valve ball two that stricture of vagina is tightly connected, in lower outlet, oral area is provided with ball seat, and valve ball two can float between ball seat and valve bonnet.
When to lower outlet seperated layer water injection, water injection pressure backs down valve ball two and valve seat, realizes to stratum water filling, when stopping water filling and
During anti-flushing well effect, valve ball two is reset to and valve base sealing under strata pressure effect, thus preventing the sand-laden fluid in sleeve pipe
Enter in oil pipe.
For ease of connecting, threadeded with top connection lower end inner wall in described interior guide cylinder upper end, described interior guide cylinder lower end
It is tightly connected with the upper end of water distribution main body, and if being fixed by circumferentially disposed bolt stem, in described water distribution main body and upper exterior tube
Annular space corresponding be axially arranged with some accessory channels, connect with the central passage of interior isocon on the downside of described accessory channel.This
In structure, when water distribution main center passage is blocked by instrument, under the liquid on the upside of central passage can flow into through accessory channel
The central passage in portion.
Further, described bilayer adjustable water nozzle includes locking fishing head, upper water distribution body and lower water distribution body, described upper water distribution
It is provided with water nozzle in vivo, in described lower water distribution body, is provided with lower water nozzle, described upper water nozzle is connected the upper water distribution of formation and leads to upper water distribution body
Road, described lower water nozzle connects the lower water distribution passage of formation with lower water distribution body.
It also is provided with anti-effect returning water structure, this anti-effect returning water structure is with the anti-effect returning water structure of lower outlet in the upper water-out mouth of the present invention
Equally can play and prevent the hydraulic pressure in sleeve pipe from entering in oil pipe.
For ease of the connection of lower floor's waterflood path, the axially hole partially of described water distribution main body extends downward lower outer pipe and interior point
The lower water ring vacancy of flow tube, and connected with lower water ring sky by radial hole.
For being easy to the connection of lower floor's waterflood path further, described radial direction through hole two run through valve body corresponding with interior isocon in
The cinclides of heart passage, the lower water ring of the circumferentially-spaced some sections of connections of the corresponding interior isocon of radial direction through hole two is empty and lower intermediate tube and center
The empty crescent axial passage of pipe ring.
For ensureing unimpeded, the middle stepped hole pair of described radial direction through hole two and valve body-side of hydraulic cavities two and radial direction through hole two
Should, described middle stepped hole corresponds to the circumferentially disposed eccentric buffering oil pocket of radial direction through hole two.
Brief description
Fig. 1 is the structural representation of the subdivision survey water flow regulator of the present invention.
Fig. 2 is the partial enlarged drawing of i section in Fig. 1.
Fig. 3 is the profile at the a-a of Fig. 1.
Fig. 4 is the profile at the b-b of Fig. 1.
Fig. 5 is the profile at the c-c of Fig. 1.
Wherein, 1 top connection；2 guiding nibs；3 upper exterior tubes；Guide cylinder in 4；4a guiding fluting；5 double-deck adjustable water nozzles；6
Bolt；7 water distribution main bodys；Water inlet on 701；702 times water inlets；703 upper water-out mouths；704 accessory channels；705 radial holes；Under 8
Outer tube；Isocon in 9；9a lower intermediate tube；Under 9b, water ring is empty；9c radial direction through hole two；9d crescent axial passage；10 transition joints；
11 plugs；12 stopper rods；12a piston portion；13 valve bodies；13a radial direction through hole one；13b buffers oil pocket；14 valve balls one；15 valve supports；16 bullets
Spring one；17 central canals；18 upper jackets；19 expansion packing elements；20 lower jackets；21 lower contacts；22 lower outlets；23,23 ' ball valves two；
24,24 ' valve bonnets；25 fair water cones.
Specific embodiment
As shown in Fig. 1 Fig. 5, it is that a kind of subdivision of the present invention surveys water flow regulator, including top connection 1, top connection 1 lower end
Periphery is tightly connected the upper exterior tube 3 of hollow, and in upper exterior tube 3, idle loop is provided with the interior guide cylinder 4 being connected with top connection 1 female thread, interior
Guide cylinder 4 upper end inwall is provided with guiding nib 2, and upper exterior tube 3 lower end is tightly connected water distribution main body 7, and water distribution main body 7 is provided with outer with upper
The central passage of pipe 3 centre bore connection and the axially inclined hole connecting with the annular space in upper exterior tube 3, axial direction in the hole partially is provided with bilayer can
Adjusting water faucet 5, the side wall of interior guide cylinder 4 is provided with the guiding fluting 4a guiding double-deck adjustable water nozzle 5 through guiding nib 2；Double-deck adjustable
Water nozzle 5 is provided with water distribution passage and lower water distribution passage, and water distribution main body 7 outer wall is provided with the upper water-out mouth with upper water distribution channel connection
703, lower water distribution passage is connected with the bottom in axially hole partially, and the side wall in the axially inclined hole of the corresponding central passage of water distribution main body 7 is respectively
It is provided with the upper water inlet 701 with upper water distribution passage and lower water distribution channel connection and lower water inlet 702, water distribution main body 7 lower end seals
It is connected with lower outer pipe 8 and interior isocon 9, between lower outer pipe 8 and interior isocon 9, be provided with lower water ring sky 9b, the axial direction of water distribution main body 7
Partially hole bottom is connected with lower water ring sky 9b, and the lower seal of lower outer pipe 8 is connected with prevents returning telling packer, interior isocon 9 be provided with to
Under extend to anti-return the lower intermediate tube 9a telling on the downside of a packer, anti-returning is told the lower end of packer and is tightly connected lower contact 21, under connect
21 are provided with the lower outlet 22 connecting with the lower water ring sky 9b of interior isocon 9, are provided with anti-effect returning water structure in lower outlet 22.
The structure of the present invention, in onsite application, the subdivision carrying integrated bilayer adjustable water nozzle is surveyed under water flow regulator lower going-into-well,
First pass through oil pipe and sleeve pipe pressurization makes anti-returning tell packer set；With, in cable+subdivision measurement and adjustment instrument lower going-into-well, arriving after water filling is stable
When the top of water flow regulator is surveyed in subdivision, stop descending, ground control segment provides open arms instruction, the mechanical adjustment of subdivision measurement and adjustment instrument
Arm spreading, more descending by guide nib when, mechanical adjustment arm be directed into guide cylinder guiding fluting in double-deck adjusting water
Mouth completes to dock, and the seal section on subdivision measurement and adjustment instrument is accurately sitting between the upper water inlet of water distribution main body and lower water inlet, will
Two water inlets separate；During water filling, the flow of flow meter record two-layer water filling of measurement and adjustment instrument and q12, dirty gauge is recorded
Layer injection flow q2, upper strata injection flow q1=q12-q2, ground controls each data that display uploads in real time, according to injection allocation amount, gives
Go out regulating command to be finely adjusted, till two-layer is qualified, thus accurately monitor levels water injection rate, improve survey adjust efficiency and
Accuracy.
Anti- the returning of the present invention tells the transition joint 10 that packer includes being tightly connected, transition joint 10 with lower outer pipe 8 lower end
Upper interior connection lower water ring sky 9b, the bottom of transition joint 10 is connected with valve body 13, is provided with axially eccentric through hole in valve body 13,
It is provided with stopper rod 12 moving up and down, eccentric through-hole includes the little top bar hole in the big stage casing in aperture two ends, Zhong Tai in eccentric through-hole
Rank hole and hole of getting out of a predicament or an embarrassing situation, the upper oral part in top bar hole is tightly connected plug 11, and stopper rod 12 includes the work being tightly connected with top bar hole
Piston part 12a, the guide rod on the downside of the push rod of piston portion 12 upside and piston portion, the top bar in the hole of push rod periphery forms hydraulic cavities
One, top bar hole side wall is provided with radial direction through hole one 13a for connecting outer well set and hydraulic cavities one, the step on the downside of piston portion
In the hole forms hydraulic cavities two, and hydraulic cavities two are connected by radial direction through hole two 9c with the central passage of interior isocon 9, middle stepped hole
Lower aperture is provided with ball seat and valve ball 1, be sequentially provided with the downside of valve ball 1 valve support 15, spring 1 and with hole lower opening of getting out of a predicament or an embarrassing situation
The fair water cone 25 that mouth thread seal connects, spring 1 elasticity acts against between valve support 15 and fair water cone 25, and valve body 13 downside is outer
Thread seal connects upper jacket 18 and central canal 17 respectively for week and inner circumferential, and upper jacket 18 lower end is tightly connected expansion packing element 19 successively
With lower jacket 20, between central canal 17 and shield packing element 19, it is provided with setting annular space, setting annular space is through fair water cone 25 and valve ball 1
The hydraulic cavities two of downside connect, and are provided with the annular space connecting with lower water ring sky 9b between central canal 17 and lower intermediate tube 9a.The present invention's
Anti- returning tells packer, and with job position under instrument lower going-into-well, when setting, oil pipe, sleeve pipe are pressurized to setting pressure, stopper rod 12 simultaneously
Back down downwards valve ball 1, the pressure fluid in hydraulic cavities two enters setting annular space, so that expansion packing element 19 is risen outward setting with sleeve pipe, so
Rear sleeve pressure release, valve ball 1 resets in the presence of spring 1, and packer is in setting state.Hydraulic pressure in oil pipe enters
Enter, first unload casing pressure, rear emptying overpressure realization is packer set；Another kind of setting method is: pressurization in oil pipe, pressure
Power liquid backs down valve ball 1 through radial passage hole two 9c, the guide rod periphery of stopper rod 12, enters setting annular space, and expansion packing element 19 is expanded
Setting, then when stopping pressurization, valve ball 1, in the presence of reflux stream, spring 1, is closed rapidly, makes packer process seat
Envelope state；Hydraulic pressure unseals, and first unloads that tubing string is intrinsic pressure, and by sleeve pipe liquid feeding pressure, pressure fluid is applied to stopper rod 12 through radial direction through hole one 13a
In hydraulic cavities one on the upside of piston portion, pressure fluid promotes the descending pressure fluid backed down valve ball 1, make in setting annular space of stopper rod 12
It is discharged in tubing string i.e. hydraulic pressure deblocking.Anti- the returning of the present invention tells packer, setting after, realize hydraulic pressure self-locking, the anti-ability of telling of returning is strong, liquid
Pressure deblocking mode flexibly, and combine the present invention double-deck water distribution structure it is achieved that with injection well downhole flow regulator G.I.H simultaneously, need not beat
Drag for dead mouth.
The anti-effect returning water structure of the present invention includes valve bonnet 24 and the valve being tightly connected with lower outlet 22 port of export inner hole thread
Ball 2 23, in lower outlet 22, oral area is provided with ball seat, and valve ball 2 23 can float between ball seat and valve bonnet 24.When to lower outlet
During 22 seperated layer water injection, water injection pressure backs down valve ball 2 23 and valve seat, realizes to stratum water filling；When stopping water filling or anti-flushing well,
Valve ball 2 23 is reset to and valve base sealing under strata pressure effect, thus preventing the sand-laden fluid in sleeve pipe from entering in oil pipe.
For ease of connecting, interior guide cylinder 2 upper end threadeded with top connection 1 lower end inner wall, interior guide cylinder 2 lower end and water distribution
The upper end of main body 7 is tightly connected, and if being fixed by circumferentially disposed bolt stem 6, the annular space in water distribution main body 7 and upper exterior tube 3
Corresponding be axially arranged with some accessory channels 704, accessory channel 704 downside is connected with the central passage of interior isocon 9.This structure
In, when water distribution main body 7 central passage is blocked by instrument, under the liquid on the upside of central passage can flow into through accessory channel 704
The central passage in portion.
Further, double-deck adjustable water nozzle 5 includes locking fishing head, upper water distribution body and lower water distribution body, described upper water distribution body
Inside be provided with water nozzle, in lower water distribution body, be provided with lower water nozzle, upper water nozzle connects the upper water distribution passage of formation with upper water distribution body, lower water nozzle with
Lower water distribution body connection forms lower water distribution passage.
It also is provided with anti-effect returning water structure in the upper water-out mouth 703 of the present invention, threaded including with upper water-out mouth 703 port of export
Valve bonnet 24 ' and valve ball 2 23 ', in upper water-out mouth 703, oral area is provided with ball seat, and valve ball 2 23 ' can be between ball seat and valve bonnet 24 '
Float.This anti-effect returning water structure equally can play with the anti-effect returning water structure of lower outlet prevents the hydraulic pressure in sleeve pipe from entering in oil pipe
Effect.
For ease of the connection of lower floor's waterflood path, the axially hole partially of water distribution main body 7 extends downward lower outer pipe 8 and interior shunting
At the lower water ring sky 9b of pipe 9, and connected with lower water ring sky 9b by radial hole 705.
For being easy to the connection of lower floor's waterflood path further, radial direction through hole two 9c runs through valve body 13 and interior isocon 9 is corresponding
The cinclides of central passage, the corresponding interior isocon of radial direction through hole two 9c is circumferentially-spaced be provided with the lower water rings of some sections of connections empty and lower in
Pipe and the crescent axial passage 9d of central canal annular space.
For ensureing unimpeded, the middle stepped hole pair of radial direction through hole two 9c and valve body 13 side of hydraulic cavities two and radial direction through hole two 8c
Should, the circumferentially disposed eccentric buffering oil pocket 13b of corresponding radial direction through hole two 9c of middle stepped hole.
The structure of the present invention, in onsite application, the subdivision carrying double-deck adjustable water nozzle is surveyed under water flow regulator lower going-into-well, first leads to
Cross oil pipe and sleeve pipe pressurization makes anti-returning tell packer set；With in cable+subdivision measurement and adjustment instrument lower going-into-well after water filling is stable, to subdivision
During the top of survey water flow regulator, stop descending, ground control segment provides open arms instruction, the mechanical adjustment arm of subdivision measurement and adjustment instrument rises
Open, more descending by guide nib 2 when, mechanical adjustment arm be directed into guide cylinder 4 guiding fluting in double-deck adjustable water nozzle 5
Complete to dock, the seal section on subdivision measurement and adjustment instrument is accurately sitting between the upper water inlet of water distribution main body and lower water inlet, by two
Individual water inlet separates；During water filling, the flow of flow meter record two-layer water filling of measurement and adjustment instrument and q12, dirty gauge records layer
Injection flow q2, upper strata injection flow q1=q12-q2, ground controls each data that display uploads in real time, according to injection allocation amount, is given
Regulating command is finely adjusted, and till two-layer is qualified, thus accurately monitoring the water injection rate of levels, improving to survey and adjusting efficiency and standard
Really property.Therefore, the dual-use function that water flow regulator realizes two sets of injection well downhole flow regulators and a set of packer is surveyed in the subdivision of the present invention, simplifies pipe
Rod structure；In use, measurement and adjustment instrument is once docked with present configuration and can complete the allotment of two-layer water testing, improves survey and adjusts effect
Rate and accuracy；The structure band water nozzle of the present invention is gone into the well, and completes packer set problem using water injecting pump flow process, simplifies pipe
Production cost saved by post simultaneously.
Claims (9)
1. water flow regulator is surveyed in a kind of subdivision, and including top connection, described top connection lower end periphery is tightly connected the upper exterior tube of hollow,
In described upper exterior tube, idle loop is provided with the interior guide cylinder being connected with top connection external threading, and described interior guide cylinder upper end inwall is provided with leads
To nib, described upper exterior tube lower end is tightly connected water distribution main body, and described water distribution main body is provided with being connected with upper exterior tube centre bore
Heart passage and the axially partially hole connecting with the annular space of upper exterior tube, the inclined in the hole of described axial direction is provided with double-deck adjustable water nozzle, described interior leads
It is provided with the guiding fluting through the double-deck adjustable water nozzle of guiding nib guiding to the side wall of cylinder；Described bilayer adjustable water nozzle is provided with water distribution
Passage and lower water distribution passage, described water distribution body outer wall is provided with the upper water-out mouth with upper water distribution channel connection, and described lower water distribution is led to
Road is connected with the bottom in axially hole partially, and the side wall in the axially hole partially of the corresponding central passage of described water distribution main body is respectively equipped with and above joins
The upper water inlet of aquaporin and lower water distribution channel connection and lower water inlet, the lower end of described water distribution main body is sealedly connected with outside lower
Pipe and interior isocon, are provided with lower water ring sky, the axially inclined hole bottom of described water distribution main body between described lower outer pipe and interior isocon
Connect with lower water ring sky, the lower seal of described lower outer pipe is connected with anti-returning and tells a packer, and described interior isocon is provided with downwards
Extend to anti-return the lower intermediate tube told on the downside of a packer, described anti-returning is told the lower end of packer and is tightly connected lower contact, described under
Joint is provided with the lower outlet connecting with the lower water ring sky of interior isocon, is provided with anti-effect returning water structure in described lower outlet.
2. subdivision according to claim 1 survey water flow regulator it is characterised in that described anti-return tell packer include outer with lower
The transition joint that pipe lower end is tightly connected, under described transition joint upper interior connection, water ring is empty, the bottom of described transition joint
It is connected with valve body, in described valve body, is provided with axially eccentric through hole, in described eccentric through-hole, be provided with stopper rod moving up and down, described
Eccentric through-hole includes the little top bar hole in the big stage casing in aperture two ends, middle stepped hole and hole of getting out of a predicament or an embarrassing situation, described top bar hole suitable for reading
Portion is sealedly connected with plug, and described stopper rod includes the piston portion being tightly connected with top bar hole, the push rod on the upside of piston portion and work
Guide rod on the downside of piston part, the top bar in the hole of described push rod periphery forms hydraulic cavities one, described top bar hole side wall be provided with for
Connection outer well set and the radial direction through hole one of hydraulic cavities one, the step in the hole on the downside of described piston portion forms hydraulic cavities two, hydraulic pressure
Chamber two is connected by radial direction through hole two with the central passage of interior isocon, and the lower aperture of described middle stepped hole is provided with ball seat and valve ball
One, it is sequentially provided with valve support, spring one and the fair water cone being connected with aperture thread seal under hole of getting out of a predicament or an embarrassing situation, institute on the downside of described valve ball one
State spring one elasticity and act against between valve support and fair water cone, thread seal connects shield respectively for described valve body lower outer periphery and inner circumferential
Set and central canal, described upper jacket lower end is tightly connected expansion packing element and lower jacket successively, described central canal and shield packing element it
Between be provided with setting annular space, the hydraulic cavities two through fair water cone and valve ball one downside for the described setting annular space connect, described central canal with
It is provided with the annular space connecting with lower water ring sky between middle pipe.
3. described subdivision according to claim 2 survey water flow regulator it is characterised in that described anti-effect returning water structure include with go out
Valve bonnet and valve ball two that water-gap outlets end inner hole thread is tightly connected, in lower outlet, oral area is provided with ball seat, and described valve ball two can
Float between ball seat and valve bonnet.
4. described subdivision according to claim 1 surveys water flow regulator it is characterised in that described interior guide cylinder upper end and top connection
Lower end inner wall thread seal connects, and described interior guide cylinder lower end is tightly connected with the upper surface of water distribution main body, and is set by circumference
If the bolt stem put is fixed, described water distribution main body is corresponding with annular space in upper exterior tube to be axially arranged with some accessory channels, described auxiliary
Help and connect with the central passage of interior isocon on the downside of passage.
5. described subdivision according to claim 1 surveys water flow regulator it is characterised in that described bilayer adjustable water nozzle includes locking
Fishing head, upper water distribution body and lower water distribution body, are provided with water nozzle in described upper water distribution body, are provided with lower water nozzle in described lower water distribution body,
Described upper water inlet connects the upper water distribution passage of formation with upper water distribution body, and described lower water nozzle is connected the lower water distribution of formation and leads to lower water distribution body
Road.
6. described subdivision according to claim 3 surveys water flow regulator it is characterised in that also being provided with anti-returning in described upper water-out mouth
Water-bound.
7. described subdivision according to claim 3 survey water flow regulator it is characterised in that described water distribution main body axially partially hole to
Under extend to the lower water ring vacancy of lower outer pipe and interior isocon, and connect by radial hole and lower water ring are empty.
8. described subdivision according to claim 3 surveys water flow regulator it is characterised in that corresponding interior point of described radial direction through hole two
Flow tube is circumferentially-spaced to be provided with the empty crescent axial passage with lower intermediate tube and central canal annular space of water ring under some sections of connections.
9. described subdivision according to claim 3 surveys water flow regulator it is characterised in that described radial direction through hole two and valve body-side
Middle stepped hole corresponds to, and described middle stepped hole corresponds to the circumferentially disposed eccentric buffering oil pocket of radial direction through hole two.
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| CN201610880117.2A CN106351627B (en) | 2016-10-09 | 2016-10-09 | Fine-dividing measuring-adjusting water distributor |
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| CN201610880117.2A CN106351627B (en) | 2016-10-09 | 2016-10-09 | Fine-dividing measuring-adjusting water distributor |
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| CN106351627A true CN106351627A (en) | 2017-01-25 |
| CN106351627B CN106351627B (en) | 2021-03-16 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489410A (en) * | 2017-10-13 | 2017-12-19 | 中国石油化工股份有限公司 | Intelligence control formula in underground insulates two-way injection allocation apparatus |
| CN107701155A (en) * | 2017-10-13 | 2018-02-16 | 中国石油化工股份有限公司 | Intelligence control formula in underground insulates injection allocation apparatus |
| CN108625834A (en) * | 2018-07-09 | 2018-10-09 | 四川省科学城久利电子有限责任公司 | Double adjusting dropping in and taking off type bias cable control intelligent watering systems |
| CN108798618A (en) * | 2018-06-12 | 2018-11-13 | 中国石油化工股份有限公司 | A kind of integrated intelligence control injection allocation apparatus in hydraulic pressure packing type underground |
| CN109723412A (en) * | 2018-12-21 | 2019-05-07 | 大庆市晟威机械制造有限公司 | Injection allocation device |
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| CN111322041A (en) * | 2020-04-14 | 2020-06-23 | 四川省科学城久利电子有限责任公司 | Water distribution device for oil field |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025014Y (en) * | 2007-04-04 | 2008-02-20 | 黄学忠 | Under-well dual-layer distribution water supply device |
| CN201068779Y (en) * | 2007-05-21 | 2008-06-04 | 中国石油化工股份有限公司 | Eccentric center water-dispensing packer |
| CN102900410A (en) * | 2012-10-24 | 2013-01-30 | 中国石油化工股份有限公司 | Repeated seat seal type packing water regulator |
| CN103375152A (en) * | 2013-08-09 | 2013-10-30 | 中国石油化工股份有限公司 | Adjustable plug capable of simultaneously controlling one water nozzle to be opened and the other closed |
| US20160061015A1 (en) * | 2014-09-02 | 2016-03-03 | Cenovus Energy Inc. | Axially segmented depletion operations in horizontal wells |
| CN205422629U (en) * | 2016-04-01 | 2016-08-03 | 中国石油化工股份有限公司 | Prevent returning and tell washable well packer |
-
2016
- 2016-10-09 CN CN201610880117.2A patent/CN106351627B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025014Y (en) * | 2007-04-04 | 2008-02-20 | 黄学忠 | Under-well dual-layer distribution water supply device |
| CN201068779Y (en) * | 2007-05-21 | 2008-06-04 | 中国石油化工股份有限公司 | Eccentric center water-dispensing packer |
| CN102900410A (en) * | 2012-10-24 | 2013-01-30 | 中国石油化工股份有限公司 | Repeated seat seal type packing water regulator |
| CN103375152A (en) * | 2013-08-09 | 2013-10-30 | 中国石油化工股份有限公司 | Adjustable plug capable of simultaneously controlling one water nozzle to be opened and the other closed |
| US20160061015A1 (en) * | 2014-09-02 | 2016-03-03 | Cenovus Energy Inc. | Axially segmented depletion operations in horizontal wells |
| CN205422629U (en) * | 2016-04-01 | 2016-08-03 | 中国石油化工股份有限公司 | Prevent returning and tell washable well packer |
Cited By (17)
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|---|---|---|---|---|
| CN107489410B (en) * | 2017-10-13 | 2020-10-09 | 中国石油化工股份有限公司 | Underground intelligent control type packing bidirectional injection allocation device |
| CN107701155A (en) * | 2017-10-13 | 2018-02-16 | 中国石油化工股份有限公司 | Intelligence control formula in underground insulates injection allocation apparatus |
| CN107489410A (en) * | 2017-10-13 | 2017-12-19 | 中国石油化工股份有限公司 | Intelligence control formula in underground insulates two-way injection allocation apparatus |
| CN108798618A (en) * | 2018-06-12 | 2018-11-13 | 中国石油化工股份有限公司 | A kind of integrated intelligence control injection allocation apparatus in hydraulic pressure packing type underground |
| CN108798618B (en) * | 2018-06-12 | 2020-10-23 | 中国石油化工股份有限公司 | Hydraulic packing type underground integrated intelligent control injection allocation device |
| CN108625834A (en) * | 2018-07-09 | 2018-10-09 | 四川省科学城久利电子有限责任公司 | Double adjusting dropping in and taking off type bias cable control intelligent watering systems |
| CN111022005A (en) * | 2018-10-10 | 2020-04-17 | 中国石油化工股份有限公司 | Variable flow channel type inflow control device, oil extraction nipple and production pipe string |
| CN109723412A (en) * | 2018-12-21 | 2019-05-07 | 大庆市晟威机械制造有限公司 | Injection allocation device |
| CN109723412B (en) * | 2018-12-21 | 2019-08-09 | 大庆市晟威机械制造有限公司 | Injection allocation device |
| CN111322041A (en) * | 2020-04-14 | 2020-06-23 | 四川省科学城久利电子有限责任公司 | Water distribution device for oil field |
| CN111322042A (en) * | 2020-04-17 | 2020-06-23 | 四川省科学城久利电子有限责任公司 | Water distribution system for flow control and water injection measurement of first-level double strata of oil field |
| CN113846988A (en) * | 2021-10-18 | 2021-12-28 | 中国石油化工股份有限公司 | Multi-rubber-barrel tandem packer |
| CN113846988B (en) * | 2021-10-18 | 2023-04-04 | 中国石油化工股份有限公司 | Multi-rubber-barrel tandem packer |
| CN117072122A (en) * | 2022-07-15 | 2023-11-17 | 中国石油工程建设有限公司 | High-temperature-resistant high-pressure-resistant water distributor suitable for large-depth well and use method thereof |
| CN117072122B (en) * | 2022-07-15 | 2024-02-06 | 中国石油工程建设有限公司 | High-temperature-resistant high-pressure-resistant water distributor suitable for large-depth well and use method thereof |
| CN115306360A (en) * | 2022-09-20 | 2022-11-08 | 西安石油大学 | Eccentric intelligent water distributor of measurement and control integrated water injection well |
| CN115306360B (en) * | 2022-09-20 | 2024-04-30 | 西安石油大学 | Measurement and control integrated water injection well eccentric intelligent water distributor |
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