CN102418500A - Direct-control continuous quantitative layered production allocation tubing string - Google Patents
Direct-control continuous quantitative layered production allocation tubing string Download PDFInfo
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- CN102418500A CN102418500A CN2011104265898A CN201110426589A CN102418500A CN 102418500 A CN102418500 A CN 102418500A CN 2011104265898 A CN2011104265898 A CN 2011104265898A CN 201110426589 A CN201110426589 A CN 201110426589A CN 102418500 A CN102418500 A CN 102418500A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 239000003129 oil well Substances 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 abstract 6
- 238000000605 extraction Methods 0.000 abstract 1
- 239000010720 hydraulic oil Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A direct-control continuous quantitative layered production allocation tubing string. The problem that the existing pipe column cannot freely control the switch state of each underground layer on the ground to perform layered oil extraction and cannot directly read layered test pressure is mainly solved. The method is characterized in that: the lower part of the oil pipe column is sequentially connected with an oil pump (1) capable of washing a controllable fixed valve, a hydraulic oil pipe anchor (2) through which a cable can pass from the outer wall, a sliding sleeve oil drain (3) which can enable the inside of the oil pipe to be communicated with the inside of a sleeve, and more than 1 porous concentric integrated continuous quantitative production allocator (4) which can control opening and closing of a stratum and can test the pressure of the stratum in series. The direct-control continuous quantitative layered production allocation tubing string can freely control switches of all layers on the ground to perform layered oil production and directly read layered test pressure.
Description
Technical field
The present invention relates to the used tubing string of oil recovery field, oil field oil well, especially direct controlled type continuous and quantitative regulating multi-zone production rate tubing string.
Background technology
The oil recovery field in the oil field, well liquid is to be lifted to ground through down-hole string by oil well pump.And existing tubing string since reasons in structure exist can not the free control well in ground under the oil production by layer of each layer on off state, can not directly read the problem of zonal testing pressure, influence oil recovery efficiency.
Summary of the invention
For solve existing tubing string can not the free control well in ground under each layer on off state oil production by layer and can not directly read the problem of zonal testing pressure.The present invention provides a kind of direct controlled type continuous and quantitative regulating multi-zone production rate tubing string.This direct controlled type continuous and quantitative regulating multi-zone production rate tubing string can freely be controlled the oil production by layer of each layer switch in ground, directly reads zonal testing pressure.
Technical scheme of the present invention is: this direct controlled type continuous and quantitative regulating multi-zone production rate tubing string comprises controlled standing valve oil well pump, fluid power tubing anchor, sliding sleeve bleeder and the concentric integral type continuous and quantitative of porous production mandrel.The tubing string bottom is connected with fluid power tubing anchor that the oil well pump that can just wash controlled standing valve, cable can pass through from outer wall successively, can make in the oil pipe with sleeve pipe in the sliding sleeve bleeder that is connected and can the gauge tap stratum more than 1 and the concentric integral type continuous and quantitative of porous production mandrel that can formation testing pressure.
Above-mentioned oil well pump comprises pump barrel, top connection, urceolus and lower contact.The pump barrel lower end is connected with top connection, is connected with urceolus under the top connection, is connected with ball cover under the urceolus; Be connected with lower contact under the ball cover, the upper end is equipped with rotational positioner in the urceolus, and rotational positioner has M shape chute outward; Pin the inner fixing on the outer tube wall places in the chute, and the rotational positioner upper and lower side is equipped with plane bearing respectively in the urceolus, is connected with sliding sleeve on the plane bearing of lower end; Be connected with expansion link under the sliding sleeve, there is valve ball the expansion link lower end, is equipped with the valve ball seat between corresponding ball cover and lower contact; Sliding sleeve lower end urceolus is built-in with orifice plate, is equipped with back-moving spring between orifice plate and the valve ball, is equipped with main spring between the plane bearing of orifice plate and lower end.
Above-mentioned fluid power tubing anchor comprises cylinder body and slips cover, and cylinder body and slips cover axially had cable channel outward.
Above-mentioned sliding sleeve bleeder comprises upper body, draining lower contact, piston shear sleeve and overcurrent baffle plate; The draining lower contact is connected the lower end, upper body; The overcurrent baffle plate is fixed in the top, upper body, and the piston shear sleeve is connected in the upper body through pin, and the draining hole is arranged on the middle wall of upper body.
The concentric integral type continuous and quantitative of above-mentioned porous production mandrel comprises swivel nut, central tube, lengthening joint, transition joint and following swivel nut, and last swivel nut, central tube, lengthening joint, transition joint and following swivel nut are connected successively, and the outer top of central tube is equipped with and sets packing element and spacer ring; The spacer ring lower center tube is outer to be connected with the lock ring seat through the deblocking pin, and the outer groove of lock ring seat is built-in with the outer snap ring that has card tooth, is connected with through shear pin in the lengthening joint outside the central tube and joins the product urceolus; Joining to produce in the urceolus upper end has the card tooth, and central tube is equipped with piston with joining to join in the closed chamber of producing between the urceolus under the product urceolus step, and the liquid pass hole that communicates with the closed chamber lower end is arranged on the central tube; Be fixed with valve body in the transition joint, the current layer inlet opening is radially arranged on the valve body, passageway bridge is axially arranged on the valve body; Axially be connected with valve seat on the valve body, radially have in the transition joint and the corresponding duct of current layer inlet opening, axially be equipped with spool in the valve seat; Spool links to each other with screw, and screw links to each other with leading screw, and leading screw links to each other with motor shaft; Motor places in the airtight protection tube; Axially be communicated with the inlet wire electric wire connecting junction on the last swivel nut wall, be communicated with thread-protected tube on the protection tube sidewall, thread-protected tube is connected with the outlet electric wire connecting junction; The outlet electric wire connecting junction axially is connected down on the swivel nut wall; Axially be connected with pressure sensor on the valve body, and be connected with the current layer inlet opening, pressure sensor is connected through circuit on lead and the protection tube interior circuit board.
Be connected with on the tubing string between oil well pump in the such scheme and the fluid power tubing anchor and can eliminate the telescopic compensator that tubing string is gone here and there up and down.
Described telescopic compensator comprise compensation top connection, compensation lower contact, on become snapping hoop, urceolus, go up inner core; The compensation top connection is connected with inner core through last change snapping hoop; Last inner core is equipped with urceolus outward, and the urceolus lower end buckle short circuit and slided up and down and be connected with becoming down, following change detain short circuit through short circuit with compensate lower contact and be connected; Slide up and down in the last inner core lower end and connect inner core down; Pin the inner, urceolus middle part places down in the inner core axial notch, and last inner core upper end is connected with wire-threading device and following wire-threading device with following inner core lower end, and last wire-threading device lower end is socketed with wire-passing tube with following wire-threading device upper end.
The present invention has following beneficial effect: this direct controlled type continuous and quantitative regulating multi-zone production rate tubing string because the fluid power tubing anchor that the oil well pump that adopts the tubing string bottom to be connected with successively can just to wash controlled standing valve, cable can pass through from outer wall, can make in the oil pipe with sleeve pipe in the sliding sleeve bleeder that is connected and can the gauge tap stratum more than 1 and the structure of the concentric integral type continuous and quantitative of porous production mandrel that can formation testing pressure.The oil well pump suction well liquid of controlled standing valve can be just washed in utilization.Utilize the grappling of fluid power tubing anchor not have tubing string.Utilize the sliding sleeve bleeder to make in the oil pipe with in the sleeve pipe and be connected, the following and ground passage of connected well.Utilize the concentric integral type continuous and quantitative of porous production mandrel gauge tap Different Strata and formation testing pressure; Realize the continuous and quantitative adjusting of corresponding pay interval passage; Can accurately judge interval sealing situation; And adjustment situation ground directly-reading, human-computer dialogue feature operation property is stronger, realizes adjustment of regulating multi-zone production rate continuous and quantitative and pressure measurement in the meticulous exploitation.This direct controlled type continuous and quantitative regulating multi-zone production rate tubing string can freely be controlled the oil production by layer of each layer switch in ground thus, directly reads zonal testing pressure.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is structural representations of oil well pump of the present invention;
Accompanying drawing 3 is structural representations of fluid power tubing anchor of the present invention;
Accompanying drawing 4 is structural representations of sliding sleeve bleeder of the present invention;
Accompanying drawing 5 is structural representations of telescopic compensator of the present invention;
Accompanying drawing 6 is structural representations of the concentric integral type continuous and quantitative of porous of the present invention production mandrel;
Accompanying drawing 7 is valve body structure sketch mapes among Fig. 6.
1-oil well pump among the figure, 2-fluid power tubing anchor, 3-sliding sleeve bleeder, the concentric integral type continuous and quantitative of 4-porous production mandrel, 5-pump barrel, 6-top connection, 7-urceolus, 8-lower contact; The 9-ball cover, 10-rotational positioner, 11-chute, 12-pin, 13-plane bearing, 14-sliding sleeve, 15-expansion link, 16-valve ball; 17-valve ball seat, the 18-orifice plate, the 19-back-moving spring, the 20-main spring, the 21-cylinder body, 22-slips cover, 23-crosses cable channel, the lower contact of 24-draining; 25-piston shear sleeve, 26-flows baffle plate, 27-draining hole, the last swivel nut of 28-, 29-central tube, 30-lengthening joint, 31-transition joint, swivel nut under the 32-; 33-deblocking pin, 34-lock ring seat, 35-shear pin, 36-are joined the product urceolus, 37-piston, 38-liquid pass hole, 39-valve body, 40-current layer inlet opening; The 41-passageway bridge, the 42-valve seat, the 43-duct, 44-spool, 45-screw, 46-leading screw, 47-are protected tube, 48-inlet wire electric wire connecting junction; The 49-thread-protected tube, 50-outlet electric wire connecting junction, the 51-pressure sensor, 52-compensates top connection, and 53-compensates lower contact, the last change of 54-snapping hoop, 55-compensates urceolus, the last inner core of 56-; 57-becomes the button short circuit down, 58-short circuit, inner core under the 59-, 60-pin, the last wire-threading device of 61-, 62-snap ring, wire-threading device under the 63-.
The specific embodiment:
Below in conjunction with accompanying drawing the present invention is described further:
Shown in accompanying drawing, this direct controlled type continuous and quantitative regulating multi-zone production rate tubing string comprises oil well pump 1, fluid power tubing anchor 2, sliding sleeve bleeder 3 and the concentric integral type continuous and quantitative of porous production mandrel 4.The fluid power tubing anchor 2 that the tubing string bottom is connected with the oil well pump 1 that can just wash controlled standing valve successively, can eliminate telescopic compensator 5 that tubing string goes here and there up and down, cable can pass through from outer wall, can make in the oil pipe with sleeve pipe in the sliding sleeve bleeder 3 that is connected and can the gauge tap stratum more than 1 and the concentric integral type continuous and quantitative of porous production mandrel 4 that can formation testing pressure, the concentric integral type continuous and quantitative of porous production mandrel 4 what according to how many designs of oil reservoir.
Described oil well pump 1 comprises pump barrel 5, top connection 6, urceolus 7 and lower contact 8.Pump barrel 5 lower ends are connected with top connection 6, and top connection is connected with urceolus 76 times, and urceolus is connected with ball cover 97 times; Ball cover is connected with lower contact 89 times, and the upper end is equipped with rotational positioner 10 in the urceolus 7, and M shape chute 11 is arranged outside the rotational positioner 10; Pin 12 the inners fixing on urceolus 7 walls place in the chute 11, and rotational positioner 10 upper and lower sides are equipped with plane bearing 13 respectively in the urceolus 7, are connected with sliding sleeve 14 on the plane bearing 13 of lower end; Sliding sleeve is connected with expansion link 15 14 times; There is hemispheric valve ball 16 expansion link 15 lower ends, and corresponding ball cover 9 and 8 of lower contacts are equipped with valve ball seat 17, and sliding sleeve 14 lower end urceolus 7 are built-in with orifice plate 18; Be equipped with back-moving spring 19 between orifice plate 18 and the valve ball 16, be equipped with main spring 20 between the plane bearing 13 of orifice plate 18 and lower end.This oil well pump 1 is on existing oil well pump basis, to make improvement; Join the product tubing string in order to guarantee that the pipe internal pressure can be delivered to through fixedly closing of pump when discharging packer; Can close valve ball 16 after discharging packer; Resume production, the standing valve that has oil well pump now is removed, what connect this scheme can just wash controlled valve ball 16.When 2 grapplings of fluid power tubing anchor and the concentric integral type continuous and quantitative of porous production mandrel 4 are set; Controlled valve ball 16 valve ball 16 when lower tubular column of can just washing of this scheme is open mode, and tubing string is suppressed liquid can set 2 grapplings of fluid power tubing anchor and the concentric integral type continuous and quantitative of porous production mandrel 4 through the controlled valve ball 16 of can just washing of this scheme.Grappling and set after, sliding sleeve bleeder 3 is opened down oil well pump piston of back, through full well sucker rod gravity rotational positioner 10 is moved downward; Compression main spring 20; Valve ball 16 cooperates with valve ball seat 17 closes, and oil well pump 1 top well liquid can not be refluxed, and oil well pump 1 lower well liquid is because piston suction well liquid; The well hydraulic pressure back-moving spring 19 that contracts backs down valve ball 16 and enters into oil well pump 1 top, promptly realizes operate as normal.
Described telescopic compensator 5 comprise compensation top connection 52, compensation lower contact 53, on become snapping hoop 54, compensation urceolus 55, go up inner core 56; Compensation top connection 52 is connected with inner core 56 through last change snapping hoop 54; The last inner core 56 outer compensation urceolus 55 that are equipped with; Compensation urceolus 55 lower ends and change are down buckled short circuit 57 and are slided up and down and be connected; Following change button short circuit 57 is connected with compensation lower contact 53 through short circuit 58, slides up and down connection in last inner core 56 lower ends and descends inner core 59, and 60 the inners of pinning, urceolus 55 middle parts place down in inner core 59 axial notches; Last inner core 56 upper ends are connected with wire-threading device 61 and following wire-threading device 63 with following inner core 59 lower ends, and last wire-threading device 61 lower ends are socketed with wire-passing tube with following wire-threading device 63 upper ends.In order to eliminate production and to join and produce the tubing string wriggling that the one tubing string produces in the pumping process, the protecting packer packing element is not damaged by the pumping wriggling, at this this direct controlled type continuous and quantitative regulating multi-zone production rate tubing string.Compensation top connection 52 links to each other with the top tubing string, and compensation lower contact 53 links to each other with the bottom tubing string, when tubing string wriggle, buckles sliding up and down of short circuit 57 by compensation urceolus 55 lower ends and following change and is connected and can eliminates tubing string and wriggle.Through last wire-threading device 61, wire-threading device 63 and wire-passing tube protection cable down.
Described fluid power tubing anchor 2 comprises cylinder body 21 and slips cover 22.Outside cylinder body 21 and the slips cover 22 cable channel 23 was arranged axially.Utilize the fluid power tubing anchor 2 of existing mature technology, just, outside cylinder body 21 and slips cover 22, increased and crossed cable channel 23, cable security is passed through improving on existing fluid power tubing anchor 2 bases.
Described sliding sleeve bleeder 3 comprises upper body, draining lower contact 24, piston shear sleeve 25 and overcurrent baffle plate 26.Draining lower contact 24 is connected the lower end, upper body, and overcurrent baffle plate 26 is fixed in the top, upper body, and piston shear sleeve 25 is connected in the upper body through pin, and draining hole 27 is arranged on the middle wall of upper body.Because of the stressed difference in piston shear sleeve 25 top and bottom; Compression area is greater than piston shear sleeve 25 following compression areas above the piston shear sleeve 25; Uniform pressure lower piston shear sleeve 25 produces downward power, and when fluid pressure reached the 18-20 MPa, the pin that connects piston shear sleeve 25 was cut off; Piston shear sleeve 25 moves down, and is communicated with through draining hole 27 in the tubing string with in the sleeve pipe.Guaranteeing the pressurization of fluid power tubing anchor 2 grappling continued, the concentric integral type continuous and quantitative of porous production mandrel 4 tops are connected with sleeve pipe, when oil well pump 1 is worked after making, can record dynamic Liquid Surface.This sliding sleeve bleeder 3 is pressure switches; Its main effect is airtight before fluid power tubing anchor 2 and the concentric integral type continuous and quantitative of porous production mandrel 4 discharge; Guarantee to offer in the oil pipe fluid power tubing anchor 2 and discharge needed enough pressure, after fluid power tubing anchor 2 and the concentric integral type continuous and quantitative of porous production mandrel 4 have discharged, open piston shear sleeve 25 through improving pressure with the concentric integral type continuous and quantitative of porous production mandrel 4; Make oil jacket UNICOM, for flow string provides intake.
The concentric integral type continuous and quantitative of described porous production mandrel 4 comprises swivel nut 28, central tube 29, lengthening joint 30, transition joint 31 and following swivel nut 32.Last swivel nut 28, central tube 29, lengthening joint 30, transition joint 31 are connected with following swivel nut 32 successively, and central tube 29 outer tops are equipped with and set packing element and spacer ring, and spacer ring lower center tube 29 is outer to be connected with lock ring seat 34 through deblocking pin 33; Lock ring seat 34 outer grooves are built-in with snap ring 62, and snap ring 62 is outer to have the card tooth, are connected with through shear pin 35 in the central tube 29 outer lengthening joints 30 and join product urceolus 36; Joining to produce in urceolus 36 upper ends has the card tooth, and snap ring 62 outer card teeth can only be up with the card tooth of joining in product urceolus 36 upper ends, joins in the closed chamber between central tube 29 and the urceolus 36 to produce under urceolus 36 steps to be equipped with piston 37; The liquid pass hole 38 that communicates with the closed chamber lower end is arranged on the central tube 29, be fixed with valve body 39 in the transition joint 31, current layer inlet opening 40 is radially arranged on the valve body 39; Passageway bridge 41 is axially arranged on the valve body 39, axially be connected with valve seat 42 on the valve body 39, radially have in the transition joint 31 and current layer inlet opening 40 corresponding ducts 43; Axially be equipped with spool 44 in the valve seat 39, spool 44 links to each other with screw 45, and screw 45 links to each other with leading screw 46; Leading screw 46 links to each other with motor shaft, and motor places in the airtight protection tube 47, axially is communicated with inlet wire electric wire connecting junction 48 on last swivel nut 28 walls; Be communicated with thread-protected tube 49 on protection tube 47 sidewalls; Thread-protected tube 49 is connected with outlet electric wire connecting junction 50, and outlet electric wire connecting junction 50 axially is connected down on swivel nut 32 walls, axially is connected with pressure sensor 51 on the valve body 39; And be connected with current layer inlet opening 40, pressure sensor 51 is connected through circuit on lead and protection tube 47 interior circuit boards.The concentric integral type continuous and quantitative of this porous production mandrel 4 is that Packer for blocking water and the electronic production mandrel of being with counter balance pocket are combined into one; The cable-passing packer that relies on envelope to join on the one production mandrel is separated oil reservoir, rely on ground then host computer to the bottom circuit board on the electronic production mandrel control, full well cable is followed the tubing string G.I.H; The cable transmission altogether of power supply and signal; Single-side machine on the production mandrel circuit board is handled the instruction of host computer, the control motor positive and inverse, thus open and close oil reservoir.When going into the well, valve seat 39 cooperates with spool 44 and is in closed condition, and the liquid in the tubing string gets into pistons 37 lower ends through central tube 29 and liquid pass hole 38; When fluid pressure was expressed 5 MPas, shear pin 35 was cut off, and continued pressurizing piston 37 and joined that to produce urceolus 36 simultaneously up; Set packing element packer pipe ring chamber through the spacer ring compression; When setting pressure when reaching the 15-16 MPa, join the card tooth that produces in urceolus 36 upper ends and cooperate locking with the card tooth of snap ring 62, set and finish.Cooperate with spool 44 when being in opening at valve seat 39; Layer position liquid through the duct 43, current layer inlet opening 40 and valve seat 39 be descending; Give rise to ground through passageway bridge 41 through oil well pump 1 again, the pressure that this moment, pressure sensor 51 recorded is current layer well hydraulic coupling.Cooperate with spool 44 when being in closed condition at valve seat 39, layer position well liquid is blocked by spool 44, well liquid can not tubing string in, current layer is fluid not.The pressure that this moment, pressure sensor 51 recorded is that current position layer by layer well liquid recovers pressure, and is obstructed with tubing string.
The course of work:
This direct controlled type continuous and quantitative regulating multi-zone production rate tubing string G.I.H that at first will connect step by step, instrument cable connection request sealed insulations at different levels are reliable, and major diameter positions such as mistake oil pipe hoop will install the cable protection device additional; Full well casing post is adorned well head after desired depth, pressurize in oil pipe with pump truck, boosts gradually from 5-10 to 15-16Mpa; Behind the releasing tool, continue to be forced into 18-20MPa and open the sliding sleeve bleeder step by step, 1 end of lower sucker rod to oil well pump; Valve ball 16 cooperate with valve ball seat 17 close after; Go into operation, connect downhole cable with host computer, carry out switching layer position and pressure measurement on ground.
Claims (2)
1. direct controlled type continuous and quantitative regulating multi-zone production rate tubing string; Comprise controlled standing valve oil well pump (1), fluid power tubing anchor (2), sliding sleeve bleeder (3) and the concentric integral type continuous and quantitative of porous production mandrel (4), it is characterized in that: the tubing string bottom is connected with fluid power tubing anchor (2) that the oil well pump (1) that can just wash controlled standing valve, cable can pass through from outer wall successively, can make in the oil pipe with sleeve pipe in the sliding sleeve bleeder (3) that is connected and can the gauge tap stratum more than 1 and the concentric integral type continuous and quantitative of porous production mandrel (4) that can formation testing pressure;
Above-mentioned oil well pump (1) comprises pump barrel (5), top connection (6), urceolus (7) and lower contact (8), and pump barrel (5) lower end is connected with top connection (6), is connected with urceolus (7) under the top connection (6); Be connected with ball cover (9) under the urceolus (7), be connected with lower contact (8) under the ball cover (9), the upper end is equipped with rotational positioner (10) in the urceolus (7); M shape chute (11) is arranged outside the rotational positioner (10); Pin (12) the inner fixing on urceolus (7) wall places in the chute (11), and the interior rotational positioner of urceolus (7) (10) upper and lower side is equipped with plane bearing (13) respectively, is connected with sliding sleeve (14) on the plane bearing of lower end (13); Be connected with expansion link (15) under the sliding sleeve (14); There is valve ball (16) expansion link (15) lower end, is equipped with valve ball seat (17) between corresponding ball cover (9) and lower contact (8), and sliding sleeve (14) lower end urceolus (7) is built-in with orifice plate (18); Be equipped with back-moving spring (19) between orifice plate (18) and the valve ball (16), be equipped with main spring (20) between the plane bearing (13) of orifice plate (18) and lower end;
Above-mentioned fluid power tubing anchor (2) comprises cylinder body (21) and slips cover (22), and cable channel (23) was axially arranged outside cylinder body (21) and the slips cover (22);
Above-mentioned sliding sleeve bleeder (3) comprises upper body, draining lower contact (24), piston shear sleeve (25) and overcurrent baffle plate (26); Draining lower contact (24) is connected the lower end, upper body; Overcurrent baffle plate (26) is fixed in the top, upper body; Piston shear sleeve (25) is connected in the upper body through pin, and draining hole (27) is arranged on the middle wall of upper body;
The concentric integral type continuous and quantitative of above-mentioned porous production mandrel (4) comprises swivel nut (28), central tube (29), lengthening joint (30), transition joint (31) and following swivel nut (32), and last swivel nut (28), central tube (29), lengthening joint (30), transition joint (31) and following swivel nut (32) are connected successively, and the outer top of central tube (29) is equipped with and sets packing element and spacer ring; Spacer ring lower center tube (29) is outer to be connected with lock ring seat (34) through deblocking pin (33), and the outer groove of lock ring seat (34) is built-in with the outer snap ring (62) that has the card tooth, and the outer lengthening joint of central tube (29) (30) upward is connected with to join through shear pin (35) produces urceolus (36); Join to produce in urceolus (36) upper end card tooth is arranged; Central tube (29) and join to join in the closed chamber of producing between the urceolus (36) to produce under urceolus (36) step and be equipped with piston (37) has the liquid pass hole (38) that communicates with the closed chamber lower end on the central tube (29), be fixed with valve body (39) in the transition joint (31); Current layer inlet opening (40) is radially arranged on the valve body (39); Passageway bridge (41) is axially arranged on the valve body (39), axially be connected with valve seat (42) on the valve body (39), radially have in the transition joint (31) and the corresponding duct of current layer inlet opening (40) (43); Axially be equipped with spool (44) in the valve seat (39); Spool (44) links to each other with screw (45), and screw (45) links to each other with leading screw (46), and leading screw (46) links to each other with motor shaft; Motor places in the airtight protection tube (47); Axially be communicated with inlet wire electric wire connecting junction (48) on last swivel nut (28) wall, be communicated with thread-protected tube (49) on protection tube (47) sidewall, thread-protected tube (49) is connected with outlet electric wire connecting junction (50); Outlet electric wire connecting junction (50) axially is connected down on swivel nut (32) wall; Axially be connected with pressure sensor (51) on the valve body (39), and be connected with current layer inlet opening (40), pressure sensor (51) is connected through circuit on lead and protection tube (47) interior circuit board.
2. direct controlled type continuous and quantitative regulating multi-zone production rate tubing string according to claim 1 is characterized in that: be connected with the telescopic compensator (5) that can eliminate tubing string and go here and there up and down on the tubing string between oil well pump (1) and the fluid power tubing anchor (2);
Described telescopic compensator (5) comprise compensation top connection (52), compensation lower contact (53), on become snapping hoop (54), compensation urceolus (55), go up inner core (56); Top connection (52) is connected with inner core (56) through last change snapping hoop (54); The outer urceolus (55) that is equipped with of last inner core (56); Compensation urceolus (55) lower end and change are down buckled short circuit (57) and are slided up and down and be connected; Following change button short circuit (57) is connected with lower contact (53) through short circuit (58), slides up and down in last inner core (56) lower end to connect inner core (59) down, and pin (60) the inner, compensation urceolus (55) middle part places down in inner core (59) axial notch; Last inner core (56) upper end is connected with wire-threading device (61) and following wire-threading device (63) with following inner core (59) lower end, and last wire-threading device (61) lower end is socketed with wire-passing tube with following wire-threading device (63) upper end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426589.8A CN102418500B (en) | 2011-12-19 | 2011-12-19 | Direct-control continuous quantitative layered production allocation tubing string |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426589.8A CN102418500B (en) | 2011-12-19 | 2011-12-19 | Direct-control continuous quantitative layered production allocation tubing string |
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| CN102418500A true CN102418500A (en) | 2012-04-18 |
| CN102418500B CN102418500B (en) | 2015-01-28 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758600A (en) * | 2012-06-21 | 2012-10-31 | 中国石油天然气股份有限公司 | Sound control differential pressure balanced switch for horizontal well |
| CN103244084A (en) * | 2013-05-21 | 2013-08-14 | 牡丹江市兰兴石油仪器有限公司 | Layered exploitation control method for petroleum and magnetic control bottom-hole regulator |
| CN103437744A (en) * | 2013-09-03 | 2013-12-11 | 中国石油天然气股份有限公司 | Oil field ground underground integrated oil production intelligent control device |
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| CN112096369A (en) * | 2020-08-21 | 2020-12-18 | 中石化石油工程技术服务有限公司 | Guide short section based on SP and buffer force measurement |
| CN114427353A (en) * | 2020-10-14 | 2022-05-03 | 中国石油化工股份有限公司 | Oil-water well exploitation pipe column cable compensator and method |
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| CN102758600A (en) * | 2012-06-21 | 2012-10-31 | 中国石油天然气股份有限公司 | Sound control differential pressure balanced switch for horizontal well |
| CN102758600B (en) * | 2012-06-21 | 2015-05-13 | 中国石油天然气股份有限公司 | Sound control differential pressure balanced switch for horizontal well |
| CN103244084A (en) * | 2013-05-21 | 2013-08-14 | 牡丹江市兰兴石油仪器有限公司 | Layered exploitation control method for petroleum and magnetic control bottom-hole regulator |
| CN103244084B (en) * | 2013-05-21 | 2015-10-21 | 牡丹江市蓝天石油仪器有限责任公司 | A kind of oil separate zone production control method and magnetic control production mandrel |
| CN103437744B (en) * | 2013-09-03 | 2016-02-10 | 中国石油天然气股份有限公司 | Oil field ground underground integrated oil production intelligent control device |
| CN103437744A (en) * | 2013-09-03 | 2013-12-11 | 中国石油天然气股份有限公司 | Oil field ground underground integrated oil production intelligent control device |
| CN104047582A (en) * | 2014-07-03 | 2014-09-17 | 沈阳华威石油机械制造有限公司 | Multi-zone intelligent production allocation technique pipe |
| CN105587293A (en) * | 2016-02-23 | 2016-05-18 | 中国石油天然气股份有限公司 | Coupling seat-type underground production allocation device |
| CN105587293B (en) * | 2016-02-23 | 2018-03-09 | 中国石油天然气股份有限公司 | Coupling seat-type underground production allocation device |
| CN110131231A (en) * | 2019-06-19 | 2019-08-16 | 重庆水泵厂有限责任公司 | The multi-functional Fill valve of diaphragm pump |
| CN110131231B (en) * | 2019-06-19 | 2024-01-19 | 重庆水泵厂有限责任公司 | Multifunctional oil supplementing valve for diaphragm pump |
| CN112096369A (en) * | 2020-08-21 | 2020-12-18 | 中石化石油工程技术服务有限公司 | Guide short section based on SP and buffer force measurement |
| CN112096369B (en) * | 2020-08-21 | 2024-03-15 | 中石化石油工程技术服务有限公司 | Guiding nipple based on SP and buffer force measurement |
| CN114427353A (en) * | 2020-10-14 | 2022-05-03 | 中国石油化工股份有限公司 | Oil-water well exploitation pipe column cable compensator and method |
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