CN200978663Y - Injection head of downhole gas and agent injection device for small diameter tube - Google Patents

Injection head of downhole gas and agent injection device for small diameter tube Download PDF

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Publication number
CN200978663Y
CN200978663Y CN 200620119183 CN200620119183U CN200978663Y CN 200978663 Y CN200978663 Y CN 200978663Y CN 200620119183 CN200620119183 CN 200620119183 CN 200620119183 U CN200620119183 U CN 200620119183U CN 200978663 Y CN200978663 Y CN 200978663Y
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China
Prior art keywords
chain
fixed
floating
main frame
bearing
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CN 200620119183
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Chinese (zh)
Inventor
曹和平
马卫国
胡强法
陈立华
陈新欣
伍甫生
刘仁敏
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China National Petroleum Corp
CNPC Jianghan Machinery Research Institute Co Ltd
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China National Petroleum Corp
CNPC Jianghan Machinery Research Institute Co Ltd
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Priority to CN 200620119183 priority Critical patent/CN200978663Y/en
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Abstract

The utility model relates to a small-diameter pipe down-well dose and gas injection apparatus injecting head, which is characterized in that a hydraulic motor is fixed outside a main body frame and connected with a driving shaft, the driving shaft and the driven shaft are fixed with a synchronous gear. A chain wheel is fixed on the driving shaft and the driven shaft, a floating chain wheel is sleeved on a floating shaft, a chain is sleeved on the chain wheel and the floating chain wheel. One end of a tensioning hydraulic cylinder is fixed on the inboard of the main body frame, the other end is fixed in the cylinder hole of a tensioning pressboard, and the tensioning pressboard is connected with the floating shaft. A floating shaft connector slides along a vertical long groove of the main body frame at the action of the tensioning hydraulic cylinder and realizes tensioning control of the chain. A rolling wheel on the chain slides along an inner groove of a clamping pressboard, the clamping pressboard is arranged at the inboard of the chain and fixed on a cross beam. The cross beam slides along a vertical long groove of the main body frame at the action of a clamping hydraulic cylinder, pushes two clamping pressboards, and realizes tensioning control to the small-diameter continuous pipe by a clamp block on the chain. The effect is that the utility model can completely satisfy the small-diameter continuous pipe removing demand. The utility model is convenient for operation, reliable in performance, compact in structure, and capable of realizing up and down depth measurement.

Description

Narrow tube down-hole injecting gas injection device injection head
Technical field
The utility model relates to oil well Ground Operation equipment technical field, and particularly a kind of continuous pipe working rig is the equipment that removes the continuous pipe of minor diameter of a kind of narrow tube down-hole injecting gas injection device specifically.
Background technology
At present, the down-hole injecting gas injection equipment that foreign oil company uses is the product that Ground Operation equipment is managed the working rig microminiaturization continuously, mainly comprises injection head, cylinder, power unit, control system, well control system and injecting system.
Domestic down-hole injecting gas injection equipment almost all is to introduce overseas equipment, and quantity is considerably less, and kit and Equipment Incomplete, can not satisfy on-the-spot instructions for use, this complete equipment of introducing also exposes some technical problems in process of the test: as realizing removing function by winch, its property can not satisfy the requirement of continuous pipe, and causes body distortion and damage easily; Winch mechanism is short of power, the comb card of spraining, strand transmission, repeatedly chain rupture.
The utility model content
The purpose of this utility model is: a kind of narrow tube down-hole injecting gas injection device injection head is provided, can satisfies the demand that the continuous pipe of minor diameter removes function fully, avoid causing the minor diameter distortion and the damage of body continuously.Main effect is: one provides enough and pushes away, pulling force manages continuously to remove minor diameter; Its two, under different oil gas well conditions, the running speed of control minor diameter continuous pipe; Its three, the weight of bearing the continuous pipe of whole minor diameters, and enough pulling force and speed is provided when tripping out the minor diameter coiled tubing.
The technical solution adopted in the utility model is: narrow tube down-hole injecting gas injection device injection head puts on normally when guaranteeing that the continuous plumber of minor diameter does and puts, and realizes whole operation and control by hydraulic system.Narrow tube down-hole injecting gas injection device injection head is achieved in that
By fluid motor, main frame, chain, synchromesh gear, clamping fluid cylinder, tensioning fluid cylinder, refer to retransmit sensor and the lifting frame constitute, it is characterized in that: fluid motor one end is fixed on outside the main frame, and the other end is connected with driving shaft by spline; Sprocket wheel is fixed on the driving shaft by key, and chain one end is enclosed within on the sprocket wheel; Be with bearing on the driving shaft, be fixed on the main frame by bearing support and bearing cover; The driving shaft other end stretches out outside the main frame, connects synchromesh gear by key.Corresponding with driving shaft, be connected to synchromesh gear, bearing and sprocket wheel on the driven axle successively, two ends are separately fixed on the main frame by bearing support, bearing cover and bearing (ball) cover; Chain one end is enclosed within on the sprocket wheel, and the chain other end is enclosed within on the corresponding floating chain wheels, and floating chain wheels is enclosed within on the floating axle.Perpendicular elongated slot on floating axle joint and the main frame is slidingly matched.The floating axle joint slides up and down along the perpendicular elongated slot on the main frame under the effect of tensioning fluid cylinder, regulates the tensioning degree of chain on the floating axle.Tensioning fluid cylinder one end is fixed on the circular hole of below in the main frame inboard, and the other end is fixed in the cylindrical hole of tensioning pressing plate; The cylinder table of top projection has internal thread to connect the tensioning fluid cylinder in the tensioning pressing plate, and the right and left respectively has circular hole can be fixed on two floating axles.Roller on the chain is slidingly matched with clamping the pressing plate inside groove, clamps pressing plate in the chain inboard, is fixed on the upper and lower crossbeam; Clamping fluid cylinder is fixed on the relative crossbeam in main frame outside; The groove of growing crosswise on crossbeam and the main frame is slidingly matched, and slides in the groove of growing crosswise of crossbeam on clamping the effect lower edge main frame of fluid cylinder, promotes two and clamps pressing plates, and then finish on the chain fixture block to the control of the tight degree of the continuous pipe clamp of minor diameter; Referring to retransmit sensor is connected with the lifting frame.
Fluid motor drives chain by synchromesh gear, clamps fluid cylinder and promote to clamp pressing plate in tensioning fluid cylinder tension chain, makes fixture block on the chain clamp minor diameter and manages continuously, realizes moving up and down; Fluid motor is a radial plunger piston motor, has internal failure protection and brake gear; Can change flow arbitrarily, realize infinitely variable speeds; The operation back pressure of adjustable fluid motor guarantees steady running; Realize whole operation and control by hydraulic system.Also can be by two synchronous fluid motor chain drive-belts that can positive and negative running.
Plug-in mounting roller mount between double strand chain is passed roller mount by the lengthening chain pin; Chain direction installation outwardly fixture block is connected with roller mount, and chain direction installation inwardly roller links to each other with roller mount; Roller is slidingly matched with clamping the pressing plate inside groove, and roller can slide along clamping the pressing plate inside groove.
Fixture block is rectangular-shaped, and one side has semicircle groove, and groove surface can increase chucking power through surfacing; The opposite has chute, and is fixed on the roller mount.
Roller mount is similar rectangular-shaped, and one side has two semicircle grooves, so that two rollers to be installed, can reduce and clamp the frictional force between pressing plate; The opposite has boss, fixedly fixture block; Be distributed with three cylindrical holes, one is for the roller pin hole of wearing roller pin, and two is for the chain pin-and-hole of wearing chain pin in addition.
Driving shaft is cylindric, and an end is that spline is connected with fluid motor; But have keyway chain link wheel on next-door neighbour's the cylindrical section; Smooth cylindrical section can be adorned bearing, is fixed on the main frame by bearing support and bearing cover; The other end stretches out and has keyway on the outer cylindrical section of main frame and connect synchromesh gear, and the end is with the fixing synchromesh gear of baffle plate.
Driven axle is cylindric, and an end is that fluting can connect the back-up ring rigid bearing, and smooth cylindrical section can be adorned bearing, is fixed on the main frame by bearing support and bearing (ball) cover; Next-door neighbour's cylindrical section has keyway chain link wheel; Next-door neighbour's smooth cylindrical section can be adorned bearing, is fixed on the main frame by bearing support and bearing cover; The other end stretches out and has keyway on the outer cylindrical section of main frame and connect synchromesh gear, and the end is with the fixing synchromesh gear of baffle plate.
Floating axle is stepped cylindric, the empty cover of middle part thickness floating chain wheels; The smooth cylindrical section in inferior thick two ends respectively connects floating bearing and floating bearing lid; Connect the tensioning pressing plate on the thinnest two terminal circle shell of column, two ends have internal thread can connect the floating axle joint.
The floating axle joint is that ladder is cylindric, and an end thickness has interior six sides; Inferior thick smooth cylindrical section connects baffle ring, the fixed tensioning pressing plate; The thinnest cylindrical section is that external screw thread connects floating axle; Perpendicular elongated slot on floating axle joint and the main frame is slidingly matched, and the floating axle joint can slide up and down along the perpendicular elongated slot on the main frame.
The clamping pressing plate is a strip, and one side has roller groove, can slide for roller, and one side has screwed hole to be connected with crossbeam relatively, and connected mode is detachable.
The crossbeam two ends are cylindric, middle cross section is cydariform, the corresponding two ends of two crossbeams clamp fluid cylinder by two respectively and fix, the middle part is across on the groove of growing crosswise of main frame, can on the groove of growing crosswise, move with the variation that clamps the fluid cylinder stroke, promote two and clamp pressing plate and roller, to fixture block, finish control the clamping degree of the continuous pipe of minor diameter by the roller mount power transmission on the chain.
The tensioning pressing plate is the cydariform steel plate, and the cylinder table of middle top projection has internal thread to connect the tensioning fluid cylinder, and the right and left respectively has circular hole can be fixed on two floating axles.
Floating chain wheels is enclosed within on the floating axle, and between the floating axle floating bearing is installed, and is fixed on the floating chain wheels with the floating bearing lid.
Main frame is similar to the sealing cuboid; Worn-out mouthful of below, symmetry direction is bored a hole, and the cylindrical hole of fixer motor and bearing support is arranged, and has the fixed tensioning fluid cylinder to be positioned at the circular hole of below, center, and the fixedly perpendicular elongated slot of floating axle joint is arranged, and the groove of growing crosswise of fixed cross beam; Main frame one end is hinged, is connected with the lifting frame, and the other end is sitting in and refers to retransmit on the sensor; Connect gear tank on the main frame.
Refer to retransmit the sensor bottom and be connected with the lifting frame, on can carry main frame, the minor diameter that can show G.I.H is managed weight and the continuous pipe of the inspection minor diameter situation that is hampered continuously.
Adopt the lifting frame, lift the aerial work mode; The lifting frame is hollow rectangular-shaped, is welded into by channel-section steel and square steel; Top has four symmetries to play repeated hole, and the center, top connects guider, and the guy wire hole of ground connection is arranged all around; Can be fixed on the sledge body around the lifting frame bottom, have the hinge pin hole to be connected with main frame on the bottom, have installing hole to connect and refer to retransmit sensor, there is the flange connecting with the blowout prevention system at positive center, bottom; Two bottom sides is equipped with folding pedal.
The chain of narrow tube down-hole injecting gas injection device injection head can be driven by two synchronous fluid motors that can positive and negative running; Also can drive synchromesh gear and drive driving shaft and driven axle by a fluid motor.The utility model drives driving shaft by the fluid motor of forward and reverse running, drive chain by synchromesh gear, in tensioning fluid cylinder tension chain, clamp fluid cylinder and promote to clamp pressing plate, make fixture block on the chain clamp minor diameter and manage continuously, realize that the continuous pipe of minor diameter moves up and down.Realize whole operation and control by hydraulic system.
Injection head can be clamped the continuous pipe of minor diameter with the drive fixture block and be moved up and down by the fluid motor chain drive-belt of forward and reverse running.Fluid motor is a radial plunger piston motor, has internal failure protection and brake gear.
Chain and fixture block are fixed together to adapt to the external diameter of the continuous pipe of minor diameter.There is fluid cylinder to compress the fixture block roller on the injection head and removes the minor diameter needed chucking power of pipe continuously, handle by special process, to increase friction force value to rooved face in the fixture block semicircle with generation by the clamping pressing plate.In addition, also be provided with two chains of fluid cylinder tensioning.
Be provided with in injection head bottom and refer to retransmit sensor, manage weight continuously and check the continuous pipe of the minor diameter situation that is hampered with the minor diameter that shows G.I.H.
Adopt closed design, adapt in district works such as desert, high mountains.Can adopt lifting aerial work mode.Can protect to prolong minor diameter body and surface continuously, and increase the service life.
The beneficial effects of the utility model: narrow tube down-hole injecting gas injection device injection head becomes one of major critical component of the microminiaturized working rig of pipe continuously, enough pulling force and speed is provided when tripping out the minor diameter coiled tubing, satisfies the continuous pipe of minor diameter fully and remove requirement.It is easy and simple to handle accurately to remove the minor diameter coiled tubing, and performance guarantees reliable, avoids causing the minor diameter distortion and the damage of body continuously.Realize all-hydraulic transmission and control, and Highgrade integration.Injecting gas injection device injection head clamping device, transmission system and load transfer mechanism compact conformation under the continuous pipe well of minor diameter, and rise, descend the degree of depth measurable.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the front view of the utility model under in working order;
Fig. 2 is the lateral view of the utility model under in working order;
Fig. 3 is the partial sectional view of the utility model under in working order.
Among the figure, 1. fluid motor, 2. main frame, 3. driving shaft, 4. sprocket wheel, 5. chain, 6. bearing support, 7. bearing, 8. bearing cover, 9. synchromesh gear 10. clamps fluid cylinder, 11. crossbeam, 12. tensioning fluid cylinders, 13. tensioning pressing plates, 14. the floating axle joint, 15. baffle rings, 16. refer to retransmit sensor, 17. the lifting frame, 18. floating chain wheels, 19. floating axles, 20. floating bearing, 21. floating bearings lid, 22. bearing (ball) covers, 23. back-up ring, 24. driven axles, 25 gear tanks, 26. baffle plate, 27. clamp pressing plate, 28. rollers, 29. roller mount, 30. fixture blocks, 31. pedals.
The specific embodiment
Embodiment 1: consult Fig. 1, Fig. 2 and Fig. 3.
Main frame 2 is the sealing cuboid; The below is uncovered, and symmetry direction is bored a hole, and the cylindrical hole of fixer motor 1 and bearing support 6 is arranged, and has fixed tensioning fluid cylinder 12 to be positioned at the circular hole of below, center, and the fixedly perpendicular elongated slot of floating axle joint 14 is arranged, and the groove of growing crosswise of fixed cross beam 11; Main frame 2 one ends are hinged, are connected with lifting frame 17, and the other end is sitting in and refers to retransmit on the sensor 16; Connect gear tank 25 on the main frame 2.
Adopt a radial plunger fluid motor 1 to drive chains 5, in tensioning fluid cylinder 12 tension chains 5, clamp fluid cylinder 10 and promote to clamp pressing plates 27, make fixture block 30 on the chain 5 clamp minor diameter and manage continuously, realize moving up and down by synchromesh gear 9; Fluid motor 1 is a radial plunger piston motor, has internal failure protection and brake gear; Can change flow arbitrarily, realize infinitely variable speeds; The operation back pressure of adjustable fluid motor guarantees steady running; Realize whole operation and control by hydraulic system.
Fluid motor 1 one ends are fixed on outside the main frame 2, and the other end is connected with driving shaft 3 by spline; Sprocket wheel 4 is by being connected on the driving shaft 3, and chain 5 one ends are enclosed within on the sprocket wheel 4; Cover bearing 7 is fixed on the main frame 2 by bearing support 6 and bearing cover 8 on the driving shaft 3; Driving shaft 3 other ends stretch out outside the main frame 2, connect synchromesh gear 9 by key.Corresponding with driving shaft 3, be connected to synchromesh gear 9, bearing 7 and sprocket wheel 4 on the driven axle 24 successively, two ends are separately fixed on the main frame 2 by bearing support 6, bearing cover 8 and bearing (ball) cover 22; Chain 5 one ends are enclosed within on the sprocket wheel 4, and chain 5 other ends are enclosed within on the corresponding floating chain wheels 18, and floating chain wheels 18 is enclosed within on the floating axle 19.Floating axle 19 is stepped cylindric, the empty cover of middle part thickness floating chain wheels 18; The smooth cylindrical section in inferior thick two ends respectively connects floating bearing 20 and floating bearing lid 21; Connect tensioning pressing plate 13 on the thinnest two terminal circle shell of column, two ends have internal thread can connect floating axle joint 14.Floating axle joint 14 is that ladder is cylindric, and an end thickness has interior six sides; Inferior thick smooth cylindrical section connects baffle ring 15, fixed tensioning pressing plate 13; The thinnest cylindrical section is that external screw thread connects floating axle 19; Floating axle joint 14 slides up and down along the perpendicular elongated slot on the main frame 2 under the effect of tensioning fluid cylinder 12, regulates the tensioning degree of chain 5 on the floating axle 19.Tensioning fluid cylinder 12 1 ends are fixed on the circular hole of below in main frame 2 inboards, and the other end is fixed in the cylindrical hole of tensioning pressing plate 13; The cylinder table of top projection has internal thread to connect tensioning fluid cylinder 12 in the tensioning pressing plate 13, and the right and left respectively has circular hole can be fixed on two floating axles 19.Roller 28 on the chain 5 can slide along clamping pressing plate 27 inside grooves, clamps pressing plate 27 in chain 5 inboards, is fixed on the upper and lower crossbeam 11; Clamping fluid cylinder 10 is fixed on the relative crossbeam 11 in main frame 2 outsides.
Crossbeam 11 two ends are cylindric, middle cross section is cydariform, it is fixing that two crossbeams, 11 corresponding two ends clamp fluid cylinder 10 by two respectively, the middle part is across on the groove of growing crosswise of main frame 2, slide in opposition in the groove of growing crosswise of crossbeam 11 on the effect lower edge main frame 2 that clamps fluid cylinder 10, promote two and clamp pressing plate 27, and then finish the control of 30 pairs of tight degree of the continuous pipe clamp of minor diameter of fixture block on the chain 5; Fixture block 30 is rectangular-shaped, and one side has semicircle groove, and groove surface can increase chucking power through special surfacing; The opposite has chute, is fixed on the roller mount 29.Roller mount 29 is similar rectangular-shaped, and one side has two semicircle grooves, so that two rollers 29 to be installed, can reduce and clamp the frictional force of 27 of pressing plates; The opposite has boss, and fixedly fixture block 30; Be distributed with three cylindrical holes, roller pin is worn in a confession, and chain pin is worn in two confessions in addition.Referring to retransmit sensor 16 is connected with lifting frame 17.
When the injecting gas injection device operation of narrow tube down-hole, the utility model lifts the aerial work mode, adopt steel wire penetrating to play repeated hole with crane, and bear certain tension force, top connects guider, the bottom is connected in the blowout prevention system by flange, and the continuous pipe of minor diameter passes the through blowout prevention system of guider, and steel wire penetrating guy wire hole is tightened on the earth anchor.Realize whole operation and control by hydraulic system, in tensioning fluid cylinder 12 tension chains 5, clamp fluid cylinder 10 and promote to clamp pressing plate 27, making fixture block 30 on the chain 5 clamp minor diameter manages continuously, fluid motor 1 by forward and reverse running drives driving shaft 3, drive chain 5 by synchromesh gear 9, realize moving up and down.Fluid motor 1 is a radial plunger piston motor, has internal failure protection and brake gear, can change flow arbitrarily, realizes infinitely variable speeds, and the operation back pressure of adjustable fluid motor guarantees steady running.Simultaneously, can observe the video data that refers to retransmit sensor 16, judge that the minor diameter of G.I.H is managed the degree of depth continuously, check the situation that is hampered of the continuous pipe of minor diameter, put-on and delegated normally when the continuous plumber of assurance minor diameter does.
Embodiment 2: with embodiment 1 difference be by two synchronous fluid motor 1 chain drive-belts 5 that can positive and negative running.

Claims (15)

1. narrow tube down-hole injecting gas injection device injection head, by fluid motor (1), main frame (2), chain (5), synchromesh gear (9), clamp fluid cylinder (10), tensioning fluid cylinder (12), refer to retransmit sensor (16) and lifting frame (17) formation, it is characterized in that: fluid motor (1) one end is fixed on outside the main frame (2), and the other end is connected with driving shaft (3) by spline; Sprocket wheel (4) is fixed on the driving shaft (3) by key, and chain (5) one ends are enclosed within on the sprocket wheel (4); Be with bearing (7) on the driving shaft (3), be fixed on the main frame (2) by bearing support (6) and bearing cover (8); Driving shaft (3) other end stretches out outside the main frame (2), connects synchromesh gear (9) by key; Corresponding with driving shaft (3), be connected to synchromesh gear (9), bearing (7) and sprocket wheel (4) on the driven axle (24) successively, two ends are separately fixed on the main frame (2) by bearing support (6), bearing cover (8) and bearing (ball) cover (22); Chain (5) one ends are enclosed within on the sprocket wheel (4), and chain (5) other end is enclosed within on the corresponding floating chain wheels (18), and floating chain wheels (18) is enclosed within on the floating axle (19), and the perpendicular elongated slot on floating axle joint (14) and the main frame (2) is slidingly matched; Tensioning fluid cylinder (12) one ends are fixed on the circular hole of below in main frame (2) inboard, and the other end is fixed in the cylindrical hole of tensioning pressing plate (13); The cylinder table of top projection has internal thread to connect tensioning fluid cylinder (12) in the tensioning pressing plate (13), and the right and left respectively has circular hole can be fixed on two floating axles (19); Roller (28) on the chain (5) is slidingly matched with clamping pressing plate (27) inside groove, clamps pressing plate (27) in chain (5) inboard, is fixed on the upper and lower crossbeam (11); Clamping fluid cylinder (10) is fixed on the relative crossbeam (11) in main frame (2) outside; The groove of growing crosswise on crossbeam (11) and the main frame (2) is slidingly matched; Refer to retransmit sensor (16) and be connected with lifting frame (17), plug-in mounting roller mount (29) between double strand chain is passed roller mount (29) by the lengthening chain pin; Chain (5) direction installation fixture block (30) outwardly is connected with roller mount (29), and chain (5) direction installation roller (28) inwardly links to each other with roller mount (29).
2. narrow tube according to claim 1 down-hole injecting gas injection device injection head is characterized in that: fluid motor (1) is two synchronous fluid motors (1) that can positive and negative running.
3. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head is characterized in that: fixture block (30) is for rectangular-shaped, and one side has semicircle groove, and groove surface is through surfacing; The opposite has chute, and is fixed on the roller mount (29).
4. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head is characterized in that: roller mount (29) is for approximate rectangular-shaped, and one side has two semicircle grooves, and two rollers (29) are installed; The opposite has boss, fixedly fixture block (30); Roller mount (29) has three cylindrical holes, and one is roller pin hole, and two is the chain pin-and-hole in addition.
5. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head is characterized in that: driving shaft (3) is for cylindric, and an end is that spline is connected with fluid motor (1); But have keyway chain link wheel (4) on next-door neighbour's the cylindrical section; Smooth cylindrical section can be adorned bearing (7), is fixed on the main frame (2) by bearing support (6) and bearing cover (8); The other end stretches out and has keyway on the outer cylindrical section of main frame (2) and connect synchromesh gear (9), and the end is with the fixing synchromesh gear (9) of baffle plate (26).
6. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head, it is characterized in that: driven axle (24) is for cylindric, one end is that fluting can connect back-up ring (23) rigid bearing (7), smooth cylindrical section can be adorned bearing (7), is fixed on the main frame (2) by bearing support (6) and bearing (ball) cover (22); Next-door neighbour's cylindrical section has keyway chain link wheel (4); Next-door neighbour's smooth cylindrical section can be adorned bearing (7), is fixed on the main frame (2) by bearing support (6) and bearing cover (8); The other end stretches out and has keyway on the outer cylindrical section of main frame (2) and connect synchromesh gear (9), and the end is with the fixing synchromesh gear (9) of baffle plate (26).
7. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head is characterized in that: floating axle (19) is for stepped cylindric, and thickness sky in middle part overlaps floating chain wheels (18); The smooth cylindrical section in inferior thick two ends respectively connects floating bearing (20) and floating bearing lid (21); Connect tensioning pressing plate (13) on the thinnest two terminal circle shell of column, two ends have internal thread can connect floating axle joint (14).
8. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head is characterized in that: floating axle joint (14) is cylindric for ladder, and an end thickness has interior six sides; Inferior thick smooth cylindrical section connects baffle ring (15), fixed tensioning pressing plate (13); The thinnest cylindrical section is that external screw thread connects floating axle (19).
9. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head is characterized in that: clamping pressing plate (27) is strip, and one side has roller groove, and one side has screwed hole to be connected with crossbeam (11) relatively.
10. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head, it is characterized in that: crossbeam (11) two ends are cylindric, middle cross section is cydariform, it is fixing that the corresponding two ends of two crossbeams (11) clamp fluid cylinder (10) by two respectively, and the middle part is across on the groove of growing crosswise of main frame (2).
11. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head, it is characterized in that: tensioning pressing plate (13) is the cydariform steel plate, the cylinder table of middle top projection has internal thread to connect tensioning fluid cylinder (12), and the right and left respectively has circular hole can be fixed on two floating axles (19).
12. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head, it is characterized in that: floating chain wheels (18) is enclosed within on the floating axle (19), and floating bearing (20) is installed between the floating axle (19), is fixed on the floating chain wheels (18) with floating bearing lid (21).
13. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head is characterized in that: main frame (2) is similar to the sealing cuboid; The below is uncovered, and symmetry direction is bored a hole, and the cylindrical hole of fixer motor (1) and bearing support (6) is arranged, and has fixed tensioning fluid cylinder (12) to be positioned at the circular hole of below, center, and the fixedly perpendicular elongated slot of floating axle joint (14) is arranged, and the groove of growing crosswise of fixed cross beam (11); Main frame (2) one ends are hinged, are connected with lifting frame (17), and the other end is sitting in and refers to retransmit on the sensor (16); Connect gear tank (25) on the main frame (2).
14. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head is characterized in that: refer to retransmit sensor (16) bottom and be connected with lifting frame (17).
15. narrow tube according to claim 1 and 2 down-hole injecting gas injection device injection head is characterized in that: lifting frame (17) is welded into by channel-section steel and square steel for hollow rectangular-shaped; Top has four symmetries to play repeated hole, and the center, top connects guider, and the guy wire hole of ground connection is arranged all around; Lifting frame (17) can be fixed on the sledge body around the bottom, has the hinge pin hole to be connected with main frame (2) on the bottom, has installing hole to connect and refers to retransmit sensor (16), and there is the flange connecting with the blowout prevention system at positive center, bottom; Two bottom sides is equipped with folding pedal (31).
CN 200620119183 2006-08-23 2006-08-23 Injection head of downhole gas and agent injection device for small diameter tube Expired - Lifetime CN200978663Y (en)

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Application Number Priority Date Filing Date Title
CN 200620119183 CN200978663Y (en) 2006-08-23 2006-08-23 Injection head of downhole gas and agent injection device for small diameter tube

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Application Number Priority Date Filing Date Title
CN 200620119183 CN200978663Y (en) 2006-08-23 2006-08-23 Injection head of downhole gas and agent injection device for small diameter tube

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CN200978663Y true CN200978663Y (en) 2007-11-21

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CN102199998A (en) * 2011-06-16 2011-09-28 中国石油天然气股份有限公司 Injection head device of continuous oil pipe
CN103256014A (en) * 2012-11-30 2013-08-21 中国石油大学(北京) Injector head experimental device for tripping coiled tubing into marine riser
CN103510891A (en) * 2012-06-19 2014-01-15 中国石油天然气集团公司 Injection head driving device for coiled tubing
CN104100218A (en) * 2014-07-28 2014-10-15 泸州长江石油工程机械有限公司 Injection head for coiled oil tube
CN104153747B (en) * 2014-08-18 2017-02-15 哈尔滨工业大学 Gear adjusting type injection allocation device for polymer injection well
CN108518189A (en) * 2018-06-13 2018-09-11 山东创佳石油机械制造有限公司 Minor diameter thin wall injection device for coiled tubing
CN115163044A (en) * 2022-07-06 2022-10-11 西南石油大学 Method and device for increasing recovery ratio by synchronous injection and production in same well of tight oil reservoir horizontal well

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155172B (en) * 2011-03-18 2013-12-04 烟台杰瑞石油服务集团股份有限公司 Floating clamping device for injection head of continuous oil pipe
CN102155172A (en) * 2011-03-18 2011-08-17 烟台杰瑞石油服务集团股份有限公司 Floating clamping device for injection head of continuous oil pipe
CN102199998A (en) * 2011-06-16 2011-09-28 中国石油天然气股份有限公司 Injection head device of continuous oil pipe
CN102199998B (en) * 2011-06-16 2013-07-31 中国石油天然气股份有限公司 Injection head device of continuous oil pipe
CN103510891A (en) * 2012-06-19 2014-01-15 中国石油天然气集团公司 Injection head driving device for coiled tubing
CN103510891B (en) * 2012-06-19 2016-06-08 中国石油天然气集团公司 A kind of connecting pipes injection head driving device
CN103256014B (en) * 2012-11-30 2016-08-03 中国石油大学(北京) It is a kind of for the injection head experimental provision of marine riser will be entered under coiled tubing
CN103256014A (en) * 2012-11-30 2013-08-21 中国石油大学(北京) Injector head experimental device for tripping coiled tubing into marine riser
CN104100218A (en) * 2014-07-28 2014-10-15 泸州长江石油工程机械有限公司 Injection head for coiled oil tube
CN104100218B (en) * 2014-07-28 2016-09-07 泸州长江石油工程机械有限公司 Injection head for coiled tubing
CN104153747B (en) * 2014-08-18 2017-02-15 哈尔滨工业大学 Gear adjusting type injection allocation device for polymer injection well
CN108518189A (en) * 2018-06-13 2018-09-11 山东创佳石油机械制造有限公司 Minor diameter thin wall injection device for coiled tubing
CN108518189B (en) * 2018-06-13 2023-12-05 山东创佳新能源科技有限公司 Injection device for small-diameter thin-wall continuous pipe
CN115163044A (en) * 2022-07-06 2022-10-11 西南石油大学 Method and device for increasing recovery ratio by synchronous injection and production in same well of tight oil reservoir horizontal well

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