CN105626038A - Bi-directional sealing flow-concentrating type flow adjuster - Google Patents
Bi-directional sealing flow-concentrating type flow adjuster Download PDFInfo
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- CN105626038A CN105626038A CN201510973113.4A CN201510973113A CN105626038A CN 105626038 A CN105626038 A CN 105626038A CN 201510973113 A CN201510973113 A CN 201510973113A CN 105626038 A CN105626038 A CN 105626038A
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- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 239000010985 leather Substances 0.000 claims description 23
- 239000003638 chemical reducing agent Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 51
- 238000002347 injection Methods 0.000 abstract description 32
- 239000007924 injection Substances 0.000 abstract description 32
- 238000012360 testing method Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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- 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)
- Geophysics (AREA)
- Flow Control (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention relates to a bi-directional sealing flow-concentrating type flow adjuster which is used cooperatively with a self-locking type anti-reverse-spit bridge type concentric adjustable water distributor. The upper end of a steel wire armored testing cable is connected with a ground control box. The lower end of the steel wire armored testing cable is connected with a headstall. The steel wire armored testing cable on the headstall is connected with a downhole instrument control circuit. The downhole instrument control circuit communicates with a sliding ring at the lower end of the bi-directional sealing flow-concentrating type flow adjuster through a flow-concentrating type flow meter. A control instruction is sent out through the ground control box, so that the downhole instrument control circuit, the flow-concentrating type flow meter and the bi-directional sealing flow-concentrating type flow adjuster are commanded to work. The bi-directional sealing flow-concentrating type flow adjuster is matched with the self-locking type anti-reverse-spit bridge type concentric adjustable water distributor, positioning of separate-layer water distribution is precise, bi-directional sealing is reliable, when water injection of one layer of a water injection well is adjusted, water injection of the other oil layers is not affected, and the adjusting precision is improved by three times or above.
Description
Technical field
The present invention relates to oilfield technology development field, be specifically related to a kind of two way seal collecting type flow regulator.
Background technology
At present in oilfield development process, oil reservoir oil well liquid level after extraction to a certain degree is gradually lowered, and when dropping to after to a certain degree, need to change a part of oil well into water injection well, improve oil well liquid level by water filling, it is simple to pumping production. Owing to the porosity of the thickness of each layer of oil reservoir, permeability and oil reservoir is different again, so needing to carry out seperated layer water injection according to the practical situation between each layer of each well. Water injection well downhole water injection string just requires be mounted with that packer (is used for separating oil reservoir, prevent from ganging up between two-layer), layering injection well downhole flow regulator (for distributing the water injection rate of each oil reservoir), flushing valve (for when down-hole dirt thing is too much by the reverse well-flushing of sleeve pipe, flow out well head through oil pipe, the dirty thing under shaft bottom is brought out). The kind of injection well downhole flow regulator has two big classes: a kind of injection well downhole flow regulator (installing a fixing water nozzle before going into the well to limit water injection rate, its shortcoming is that seperated layer water injection error is big, allocates loaded down with trivial details) being band and fixing water nozzle; Another kind is adjustable hydrophone, adjusting water nozzle is installed in adjustable hydrophone, by going into the well, measurement and adjustment instrument device is seated on the positioning step of injection well downhole flow regulator, instruction is there is by ground, test cable couples measurement and adjustment instrument device of going into the well, then measurement and adjustment instrument regulates the water nozzle on injection well downhole flow regulator, carrys out control hierarchy water injection rate by rotating adjustable water distributing core. The water injection rate that this instrument is surveyed is obtained by diminishing method, and is that the water filling flow velocity by surveying obtains (instrument is demarcated in standard oil pipe) each water injection rate being layered when flow calibration. Go into the well oil pipe in long-term injecting water process, oil in-tube fouling seriously can cause measurement error big, thus each layer water injection rate regulated also produces maximum error, a kind of two way seal collecting type flow regulator is have developed specially for this, so as to match with self-locking counter-flow resisting bridge-type Concentric adjustable water distributor, it is achieved the layered waterflooding quantity regulative mode that monolayer afflux, single-layer bidirectional seal. Changing current measuring and regulating method, precision and accuracy are adjusted in the survey substantially increasing each layer seperated layer water injection, improve work efficiency, reduce production cost, increase economic benefit.
Summary of the invention
It is an object of the invention to provide a kind of two way seal collecting type flow regulator. Overcome the defect that the above prior art exists.
The technical scheme is that and be accomplished by:
The present invention is set to cylinder, it is sequentially with from the top down: head harness, casing equipped with downhole instrument control circuit and packer flowmeter, the little adapter sleeve threadeded with casing, the upper adaptor being threaded connection with little adapter sleeve, the big adapter sleeve being threaded connection with upper adaptor, the fixed cover being threaded connection with big adapter sleeve, the lower adaptor being threaded connection with fixed cover, the fixing anti-rotation set being threaded connection with lower adaptor, the lower jacket being threaded connection with fixing anti-rotation set, the little sheath being connected by screw with lower jacket, the torsion sleeve main body being connected with little sheath, it is located in the sheath in little adapter sleeve and is provided with from the top down: slip ring fixes seat, it is located at the slip ring of the fixing seat bottom of slip ring, the sliding needle stand fixed cover threadeded with the fixing seat of slip ring, the sliding needle stand being connected with sliding needle stand fixed cover screw, it is located at the sliding pin on sliding needle stand top, the sheath threadeded with sliding needle stand, it is located at sheath upper motor fixed cover that is internal and that threaded with sliding needle stand, upper direct current generator fixing in upper motor fixed cover, the planetary reducer being connected with upper unidirectional current arbor, the upper torsion leading screw being connected with planetary reducer output shaft, it is located at the impact switch up and down of torsion leading screw upper and lower, one and the two cores sliding pin fixing with sheath it is set to lower impact switch, the two core slip rings being connected with upper torsion leading screw and center leading screw, it is located at the upper slip spiral shell block in the middle part of torsion leading screw, thrust bearing that is that be located at sheath end and that fix and airtight fixing head, center leading screw through thrust bearing, airtight fixing head, upper adaptor, big adapter sleeve, locating detent fixed cover, be located in big adapter sleeve and the fixing little swivel nut being connected with locating detent fixed cover and switch sleeve, the opening adapter sleeve being located in fixed cover, the interstage sleeve being located in opening adapter sleeve and big stage clip, be located at the sealing shroud in lower adaptor, two core slip-ring seats, pressure ring and two cores cunning pin and connect, the sliding pin of two cores is connected with the lower direct current generator in that be located in fixing anti-rotation set and lower direct current generator fixed cover, lower direct current generator is connected with planetary reducer, planetary reducer is connected with lower torsion leading screw, lower torsion leading screw is connected with the torsion axle sleeve being located in lower jacket by being located at the Torque sleeve of fixing anti-rotation set end, thrust bearing and top cover, torsion axle sleeve is connected with toggle, and toggle is connected with torsion main body by little sheath.
The fixing seat of described slip ring is set to cylindrical shape, and top is set to taper, and bottom is set to cylindrical shape, and lower, outer perimeter is provided with male thread, and center is provided with centre bore.
The sliding pin fixed cover of described stricture of vagina is set to cylindrical shape, and top and the bottom are provided with box thread, and both sides, bottom are provided with fixing screw hole.
Described sliding needle stand is set to cylinder, and top is provided with male thread and fixing screw hole, and bottom is provided with fixing screw hole.
Described airtight fixing head is set to cylinder, and upper diameter, less than lower diameter, is externally provided with sealing ring in top, and middle and upper part is provided with screw hole, and both sides, middle part are provided with arcuate groove, and lower, outer perimeter is provided with fixing screw hole.
Described big adapter sleeve is set to cylindrical shape, top external diameter and internal diameter more than lower outer diameter and internal diameter, has open slot on two side, bottom, and upper and lower end wall is provided with fixing screw hole.
Described switch sleeve is set to cylinder, and top is provided with male thread, and center is provided with centre bore, upper inner diameter and bottom internal diameter more than middle and lower part internal diameter, is provided with screw hole, has leather cup seat and leather cup in upper periphery on the wall of middle and lower part.
Described fixing anti-rotation set is set to cylindrical shape, top external diameter and internal diameter more than lower outer diameter and internal diameter, is provided with the torsion sleeve bore of a undergauge on reducer top.
The center of described center leading screw is provided with wire guide.
Compared with the prior art the present invention has the advantage that
1, two way seal is reliable, improves the precision of measurement
2 and self-locking counter-flow resisting bridge-type Concentric adjustable water distributor support the use accurate positioning.
3, monolayer adjustment is more reliable accurately
4, the water filling of other oil reservoir is not affected when regulating this layer
5, water filling allotment precision about improves more than 3 times
6, the seperated layer water injection of little injection rate is more adapted to
7, other measure need not be taked normally to use when oil pipe fouling.
Accompanying drawing explanation
The structural representation of Fig. 1-present invention;
1-head harness in figure, 2-downhole instrument control circuit, 3-packer flowmeter, 4-slip ring fixes seat, 5-slip ring, the sliding needle stand fixed cover of 6-, the sliding pin of 7-, 8-screw, the sliding needle stand of 9-, the little adapter sleeve of 10-, 11-sheath, the upper direct current generator of 12-, 13-planetary reducer, the upper motor fixed cover of 14-, the upper torsion leading screw of 15-, the upper slip spiral shell block of 16-, 17-bis-core slip ring, the sliding pin of 18-bis-core, 19-center leading screw, the airtight fixing head of 20-, the upper adaptor of 21-, 22-locating detent fixed cover, 23-locating detent, 24-small pressure spring, 25-limited block, 26-Screw, the big adapter sleeve of 27-, 28-fixes little swivel nut, 29-tapered sleeve, 30-leather cup fixed cover, 31-leather cup, 32-leather cup seat, 33-switch sleeve, 34-fixed cover, the big stage clip of 35-, 36-interstage sleeve, 37-silk braid, 38-opening adapter sleeve, 39-sealing shroud, adaptor under 40-, 41-pressure ring, the sliding pin of 42-bis-core, direct current generator under 43-, the sliding needle stand of 44-bis-core, 45-fixes anti-rotation set, torsion leading screw under 46-, 47-lower slider spiral shell block, motor fixed cover under 48-, 49-thrust bearing, 50-Torque sleeve, 51-top cover, 52-lower jacket, 53-slip spiral shell block, 54-torsion leading screw, 55-torsion axle sleeve, 56-big roller, 57-pin, 58-toggle stage clip, 59-toggle, the little sheath of 60-, 61-torsion sleeve main body.
The effect of each parts in figure:
1-head harness be used for coupling wire armoring test cable and downhole probe (ensure steel wire armored cable be connected with head harness well and with downhole probe circuit communication and insulation). 2-downhole instrument control circuit, for receiving the instruction that ground controller is assigned, controls the work of down-hole adjusting apparatus, and the data that down-hole current-collecting formula electromagnetic flowmeter is surveyed is transferred to ground-based computer. 5-slip ring, for keeping and circuit turn-on state under rotation status. The upper direct current generator of 12-, is connected with planetary reducer, for controlling actuating of locating detent and upper and lower two sealing cups. 13-planetary reducer, matches with upper direct current generator, increases moment of torsion, reduces rotating speed. Cylinder fixed by the upper motor of 14-, for fixing upper direct current generator. 15-torsion leading screw, is used for driving slip spiral shell block to move up and down. 16-slip spiral shell block, is used for spiral shell block up and down motion of sliding, it is simple to control the rotating of direct current generator in limit switch, control. The sliding pin of 17-slip ring, 18-, for passing to lower motor by instruction above under rotation status. 19-center leading screw, is used for driving silk braid and switch sleeve to move up and down, and controls opening and contraction of locating detent and upper and lower two sealing cups. 20-seals fixing head, and both sides, center have two and half crescent shape holes, can cross water, serves again the effect of fixing upper end instrument. The upper adaptor of 21-, is used for coupling instrument middle-end and instrument lower part. 22-locating detent fixed cover, is used for installing locating detent and stationary positioned pawl, it is prevented that it is projected out, it is ensured that locating detent is movable in suitable scope. 23-locating detent, for positioning on injection well downhole flow regulator, and is rotated fuse rotation, thus reaching the purpose of control hierarchy water injection rate when adjusting apparatus rotates. 24-small pressure spring, when switch sleeve moves up and down certain position, backs down locating detent. 25-limited block, for limiting distance when locating detent opens. The big adapter sleeve of 27-, for being connected and fixed of upper and lower instrument. 28-fixes little swivel nut, for the connection of switch sleeve and locating detent fixed cover. 29-tapered sleeve, when leather cup is up, struts sealing cup by tapered sleeve face, so as to seal. 30-leather cup fixed cover, is connected for fixing seal leather cup and leather cup seat. 31-leather cup, for the annular space of hermetically-sealed instrument Yu injection well downhole flow regulator. 32-leather cup seat, for and leather cup fixed cover match fixing leather cup, be connected for screw and switch sleeve. 33-switch sleeve, is connected with leather cup seat, center leading screw, silk braid and locating detent seat and controls locating detent action. 34-fixed cover, is used for fixing big adapter sleeve and adaptor. The big stage clip of 35-, for keeping to leather cup a thrust and having cushioning effect. 36-interstage sleeve, for the distance of limit switch set. 37-silk braid, is connected with center leading screw, drives associated components to move up and down when center leading screw rotates. 38-opening adapter sleeve, is used for fixing silk braid and does not make it rotate and limit interstage sleeve to move in effective range. 39-sealing shroud, keeps sealing for center leading screw under transhipment state. Adaptor under 40-, the switching being used between upper and lower instrument is fixed. 41-pressure ring, 42-sliding pin, 44-bis-core slip-ring seat, connect for holding circuit under the motor rotation status of lower end. Direct current generator and planetary reducer under 43-, for the power driving regulating arm to rotate. 45-fixes anti-rotation set, for when the counteracting force of torsion axle sleeve, keeping not rotating, force torsion axle sleeve to rotate. Torsion leading screw under 46-, for being connected with slip spiral shell block.47-lower slider spiral shell block, is connected with lower torsion leading screw, and moves up and down under the rotarily driving of leading screw, is used for touching limit switch, controls the rotating of lower direct current generator. The fixing cylinder of motor under 48-, for fixing lower motor. 49-thrust bearing, produces the frictional resistance of thrust for reducing down-hole liquid pressure. 50-Torque sleeve, for the connection of motor shaft Yu lower torsion leading screw, transmits torsion. 51-top cover, for isolating between thrust bearing and torsion axle sleeve. 52-lower jacket, for protecting its internal parts. 53-slip spiral shell block, for the rotary motion of torsion leading screw is become up and down motion, the helical rotation further through fixing anti-rotation set drives the slow of torsion axle sleeve to rotate. 54-torsion leading screw, is connected with Torque sleeve, transmits motor torsion. 55-torsion axle sleeve, is used for driving toggle to rotate. 56-big roller, 57-pin both parts are fixed on toggle. 58-toggle stage clip, supports toggle. 59-toggle, is fixed in toggle main body, is used for transmitting torsion. The little sheath of 60-, for limiting the displacement of toggle. 61-toggle main body, is connected with torsion axle sleeve and fixes toggle.
Detailed description of the invention
For disclosing technical scheme further, elaborated by embodiment below in conjunction with Figure of description:
The present invention is set to cylinder, it is sequentially with from the top down: head harness 1, casing equipped with downhole instrument control circuit 2 and packer flowmeter 3, the little adapter sleeve 10 threadeded with casing, the upper adaptor 21 being threaded connection with little adapter sleeve, the big adapter sleeve 27 being threaded connection with upper adaptor, the fixed cover 34 being threaded connection with big adapter sleeve, the lower adaptor 40 being threaded connection with fixed cover, the fixing anti-rotation set 45 being threaded connection with lower adaptor, the lower jacket 52 being threaded connection with fixing anti-rotation set, the little sheath 60 being threaded connection with lower jacket, the torsion sleeve main body 61 being connected with little sheath, it is located at the sheath 11 in little adapter sleeve, being provided with from the top down of top: slip ring fixes seat 4, it is located at the slip ring 5 of the fixing seat bottom of slip ring, the sliding needle stand fixed cover 6 threadeded with the fixing seat of slip ring, the sliding needle stand 9 threadeded with sliding needle stand fixed cover, it is located at the sliding pin 7 on sliding needle stand top, the sheath 11 threadeded with sliding needle stand 9, it is located at sheath upper motor fixed cover 14 that is internal and that threaded with sliding needle stand, upper direct current generator 12 fixing in upper motor fixed cover, the planetary reducer 13 being connected with upper unidirectional current arbor, the upper torsion leading screw 15 being connected with planetary reducer output shaft, it is located at the impact switch up and down of torsion leading screw 15 upper and lower, one and the two cores sliding pin 18 fixing with sheath it is set to lower impact switch, the two core slip rings 17 being connected with upper torsion leading screw 15 and center leading screw 19, it is located at the upper slip spiral shell block 16 in the middle part of torsion leading screw, thrust bearing that is that be located at sheath 11 end and that fix and airtight fixing head 20, by sequence through thrust bearing, airtight fixing head 20, upper adaptor 21, locating detent fixed cover 22, big adapter sleeve 27, be located in big adapter sleeve 27 and the center leading screw 19 being connected with two cores cunning pins 42 of the fixing little swivel nut 28 being connected with locating detent fixed cover 22 and switch sleeve 33, the opening adapter sleeve 38 being located in fixed cover, the interstage sleeve 36 being located in opening adapter sleeve 38 and greatly stage clip 35, sealing shroud 39, the two core slip-ring seat 44 being located in lower adaptor, pressure ring 41, the sliding pin 42 of two cores is connected with the lower direct current generator 43 in that be located in fixing anti-rotation set 45 and lower motor fixed cover 48, lower direct current generator is connected with planetary reducer 13, planetary reducer is connected with lower torsion leading screw 46, lower torsion leading screw 46 is connected with the torsion axle sleeve 55 being located in lower jacket 52 by being located at the Torque sleeve 50 of fixing anti-rotation set 45 end, thrust bearing and top cover 51, torsion axle sleeve 55 is connected with toggle 59, and toggle is connected with torsion main body 61 by little sheath 60.
The operation principle of the present invention:
Wire armoring test cable upper end and ground control box are connected, lower end and head harness 1 are connected, head harness is connected with steel wire armored cable and downhole instrument control circuit 2, and downhole instrument control circuit is connected by the slip ring 5 of packer flowmeter 3 with the lower end of two way seal collecting type flow regulator. Control instruction, commander down-hole control circuit, packer flowmeter and the work of two way seal collecting type flow regulator is sent by ground control box. Emphasis of the present invention sets forth the operation principle of two way seal collecting type flow regulator and associated separate water injection well self-locking counter-flow resisting bridge-type Concentric adjustable water distributor mutual relation:
In figure, 1,2,3,4 is the instrument and total member that same two way seal collecting type flow regulator is connected of going into the well with it. when ground control box upwards direct current generator is for forward electricity, upper direct current generator then drives planetary reducer 13 to rotate, and reduces rotating speed by planetary reducer, increases moment of torsion and drives upper torsion leading screw 15 to rotate. upper torsion leading screw 15 is connected with center leading screw 19 again, center leading screw 19 and on upper torsion leading screw 15 again equipped with the hole crossing electric wire, the lower end cable-through hole of center leading screw circuit out is connect by two core slip rings 17 and lower associated electric motor. the Main Function of upper direct current generator 12 is to drive the center forward and reverse rotation of leading screw 19 by direct current generator positive and negative rotation on surface instruction. when center leading screw 19 reversely rotates, match with silk braid 37 again and drive silk braid 37 descending in center leading screw 19 lower end. silk braid 37 pulls again opening adapter sleeve 38 to drive interstage sleeve 36 descending, and interstage sleeve 36 is connected with switch sleeve 33 again, and switch sleeve 33 is connected with screw thread with two leather cup fixed covers 30, is connected with the locating detent fixed cover 22 installing locating detent 23 again. when two leather cup fixed covers 30 and locating detent fixed cover 22 under switch sleeve 33 drives to when coming downwards to certain position, namely leather cup 31 leaves tapered sleeve 29, when locating detent 23 is retracted in locating detent fixed cover 22, slip spiral shell block 16 on upper torsion leading screw 15 runs into limit switch, the power supply of direct current generator 12 in cut-out, upper direct current generator stops operating, and completes contraction state and locating detent 23 contraction state of two leather cups 31. when under the present invention, down-hole enters on seperated layer water injection self-locking counter-flow resisting bridge-type Concentric adjustable water distributor, at this moment two way seal collecting type flow regulator forward is needed to power, then going up direct current generator 12 drives above-mentioned associated mechanisms and parts to rotate forward, at this moment silk braid 37 moves upward, promoting big stage clip 35 top switch set 33 to move upward, switch sleeve 33 then drives again two leather cups 31, locating detent 23, fixed cover 34 to synchronize to move upward. when reaching certain position, limit switch stops the rotation of upper direct current generator 12, at this moment two leather cups and locating detent is just made all to be fixed on the rotation fuse of the self-locking counter-flow resisting bridge-type Concentric adjustable water distributor being arranged on downhole water injection string, make injection water two wing passages in packer flowmeter and two way seal collecting type flow regulator of water injection well, apopore then through flow regulator, again through the middle apopore rotating fuse of self-locking counter-flow resisting bridge-type Concentric adjustable water distributor, again owing to self-locking counter-flow resisting bridge-type Concentric adjustable water distributor main body also having two apopores corresponding with rotating fuse, when only the two apopore communicates, injection well downhole flow regulator could water outlet. change the size rotating fuse with the position overlapping area of the apopore on self-locking counter-flow resisting bridge-type Concentric adjustable water distributor, just change the size of water yield. this size sends instruction further through ground control box and promotes lower direct current generator to work, rotating by lower direct current generator, changing the rotation of the both forward and reverse directions rotating fuse, the rotation rotating fuse changes again size or the open and close of the self-locking counter-flow resisting bridge-type Concentric adjustable water distributor water yield.
The operation principle of two way seal collecting type flow regulator lower part:
When ground control box sends instruction, lower direct current generator drives planetary reducer to rotate, planetary reducer 13 output shaft drives again Torque sleeve 50, Torque sleeve drives again lower torsion leading screw 46, lower torsion leading screw drives again torsion leading screw (54) to rotate, the rotation of torsion leading screw drives again slip spiral shell block 53 to move up and down, slip spiral shell block 53 occurs to rotate at a slow speed again in fixing 45 times helicla flutes of anti-rotation set, the two ends of this slip spiral shell block 53 are associated with fork-shaped torsion axle sleeve, when slip spiral shell block 53 is in rotary moving along the helicla flute of fixing anti-rotation set, torsion axle sleeve 55 also rotates at a slow speed accordingly, design this mechanism to its objective is to reduce rotating speed, increase moment of torsion, namely rotating speed 30 times is reduced, increase moment of torsion more than 20 times. torsion axle sleeve 55 lower end is connected with toggle main body 61 again, again equipped with toggle 59 in toggle main body 61, toggle is fixed with big roller 56 with pin again, drive toggle main body 61 to rotate when torsion axle sleeve 55 rotates, again due in the fixing anti-rotation set groove of toggle 59 and big roller 56 inserting self-locking counter-flow resisting bridge-type Concentric adjustable water distributor, serve the effect preventing two way seal collecting type flow regulator lower end from rotating, its counteracting force is to drive self-locking counter-flow resisting bridge-type Concentric adjustable water distributor upper end to rotate the forward and reverse rotation of fuse, thus having reached afflux, the effect of adjustable seperated layer water injection.
Claims (9)
1. a two way seal collecting type flow regulator, it is characterized in that: body is set to cylinder, it is sequentially with from the top down: head harness, casing equipped with downhole instrument control circuit and packer flowmeter, the little adapter sleeve threadeded with casing, the upper adaptor being threaded connection with little adapter sleeve, the big adapter sleeve being threaded connection with upper adaptor, the fixed cover being threaded connection with big adapter sleeve, the lower adaptor being threaded connection with fixed cover, the fixing anti-rotation set being threaded connection with lower adaptor, the lower jacket being threaded connection with fixing anti-rotation set, the little sheath being threaded connection with lower jacket, the torsion sleeve main body being connected with little sheath, it is located in the sheath in little adapter sleeve and is provided with from the top down: slip ring fixes seat, it is located at the slip ring of the fixing seat bottom of slip ring, the sliding needle stand fixed cover threadeded with the fixing seat of slip ring, the sliding needle stand threadeded with sliding needle stand fixed cover, it is located at the sliding pin on sliding needle stand top, the sheath threadeded with sliding needle stand, it is located at sheath upper motor fixed cover that is internal and that threaded with sliding needle stand, upper direct current generator fixing in upper motor fixed cover, the planetary reducer being connected with upper unidirectional current arbor, the upper torsion leading screw coupled with planetary reducer output shaft, it is located at the impact switch up and down of torsion leading screw upper and lower, one and the two cores sliding pin fixing with sheath it is set to lower impact switch, the two core slip rings being connected with upper torsion leading screw and center leading screw, it is located at the upper slip spiral shell block in the middle part of torsion leading screw, thrust bearing that is that be located at sheath end and that fix and airtight fixing head, center leading screw through thrust bearing, airtight fixing head, upper adaptor, big adapter sleeve, locating detent fixed cover, be located in big adapter sleeve and the fixing little swivel nut being connected with locating detent fixed cover and switch sleeve, the opening adapter sleeve being located in fixed cover, the interstage sleeve being located in opening adapter sleeve and big stage clip, be located at the sealing shroud in lower adaptor, two core slip-ring seats, pressure ring and two cores cunning pin and connect, the sliding pin of two cores is connected with the lower direct current generator in that be located in fixing anti-rotation set and lower direct current generator fixed cover, lower direct current generator is connected with planetary reducer, planetary reducer is connected with lower torsion leading screw, lower torsion leading screw is connected with the torsion axle sleeve being located in lower jacket by being located at the Torque sleeve of fixing anti-rotation set end, thrust bearing and top cover, torsion axle sleeve is connected with toggle, and toggle is connected with torsion main body by torsion axle sleeve.
2. two way seal collecting type flow regulator according to claim 1, it is characterised in that: the fixing seat of described slip ring is set to cylinder, and top is set to taper, and bottom is set to cylinder, and lower, outer perimeter is provided with male thread, and center is provided with centre bore.
3. two way seal collecting type flow regulator according to claim 1, it is characterised in that: described sliding pin fixed cover is set to cylinder, and top and the bottom are provided with box thread, and bottom side is provided with fixing screw hole.
4. two way seal collecting type flow regulator according to claim 1, it is characterised in that: described sliding needle stand is set to cylinder, and top is provided with male thread and screw hole, and bottom is provided with screw hole.
5. two way seal collecting type flow regulator according to claim 1, it is characterized in that: described airtight fixing head is set to cylinder, upper diameter, less than lower diameter, is externally provided with sealing ring middle and upper part and is provided with both sides in the middle part of screw hole and is provided with arcuate groove in top, lower, outer perimeter is provided with screw hole.
6. two way seal collecting type flow regulator according to claim 1, it is characterized in that: described big adapter sleeve is set to cylindrical shape, top external diameter and internal diameter, more than lower outer diameter and internal diameter, have open slot on two side, bottom, and upper and lower end wall is provided with screw hole.
7. two way seal collecting type flow regulator according to claim 1, it is characterized in that: described switch sleeve is set to cylindrical shape, top is provided with male thread, center is provided with centre bore, upper inner diameter and bottom internal diameter are more than middle and lower part internal diameter, middle and lower part wall is provided with fixing screw hole, upper periphery has leather cup seat and leather cup.
8. two way seal collecting type flow regulator according to claim 1, it is characterized in that: described fixing anti-rotation set is set to cylinder, top external diameter and internal diameter, more than lower outer diameter and internal diameter, are provided with the torsion sleeve bore of a undergauge on reducer top, and bottom inner circumferential is provided with helicla flute.
9. two way seal collecting type flow regulator according to claim 1, it is characterised in that: the center of described center leading screw is provided with through wires hole.
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| CN201510973113.4A CN105626038B (en) | 2015-12-22 | 2015-12-22 | Bidirectional sealing flow-collecting type flow regulator |
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| CN105626038B (en) | 2022-01-28 |
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