CN109403929A - A kind of waterpower pumped type underground throttle device and application method - Google Patents
A kind of waterpower pumped type underground throttle device and application method Download PDFInfo
- Publication number
- CN109403929A CN109403929A CN201811235441.4A CN201811235441A CN109403929A CN 109403929 A CN109403929 A CN 109403929A CN 201811235441 A CN201811235441 A CN 201811235441A CN 109403929 A CN109403929 A CN 109403929A
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- China
- Prior art keywords
- central tube
- rubber cylinder
- throttle device
- short rubber
- underground throttle
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/127—Packers; Plugs with inflatable sleeve
Abstract
The invention belongs to the technical field of reducing pressure by regulating flow in natural gas production more particularly to a kind of waterpower pumped type underground throttle devices.Arranged symmetrically and delivery tool of the present invention by sand cap, flow nipple and seat ring, slips, rubber tube seat, short rubber cylinder in long packing element type two sides connects on flow controller top to be arranged, realizing underground throttle device can not only install and use in straight well section pit shaft, and it is similarly able to use in horizontal segment, the scope of application of downhole choke is expanded, and achieves good using effect；It is wholely set by delivery tool by the organic of cable, end, magnetic orientator, weighted lever, igniter head and setting tool, so that during launching underground throttle device, the position of dispensing can not only accurately be controlled, and it avoids and is launching midway, due to launching improper the phenomenon that causing underground throttle device midway to set, reliability is higher.Waterpower pumped type underground throttle device uses composite material, in the later period of being on active service, can be removed with quick drill grinding.
Description
Technical field
The invention belongs to the technical field of reducing pressure by regulating flow in natural gas production more particularly to a kind of waterpower pumped type underground sections
Flow device and application method.
Background technique
Downhole Choking Technology technology is that the reducing pressure by regulating flow process of natural gas is occurred by underground throttle device in Wellbore of Gas Wells
One of technology, be a kind of water pumping gas production skill for having many advantages, such as that water pumping gas production effect is good, easy to operate, at low cost
Art, therefore be widely used in gas well liquid loading.
Currently, it is slip-type underground throttle that gas field is widely applied, pit shaft is delivered to by piano wire operation
Predetermined position, be fixed on oil pipe using the slips on flow controller, seal tube inner wall and flow controller by packing element
Annular space.It is limited by technique, underground throttle device structure and material is launched, underground throttle device is only limitted to be mounted on straight at present
In well section pit shaft, involve and be limited in scope, with the lengthening of horizontal segment, is mounted on the water pumping gas production of the underground throttle device in straight well section
Effect exponentially reduces, and when especially later period water yield is larger in exploitation, does not almost have effect.In addition, being thrown in piano wire
During putting underground throttle device, steel wire speed control is improper to be easy to cause underground throttle device midway to set.
Summary of the invention
The present invention provides a kind of waterpower pumped type underground throttle device and application method, the first purpose is that it is a kind of dispensing
It is easily controllable, set reliable underground throttle device；The second purpose is that it is a kind of in the underground that horizontal segment is equally able to use section
Flow device；The third purpose is that it is that one kind can be as needed, arbitrarily replaces the underground throttle device of the flow controller mouth of larger inner diameter；Purpose
Fourth is that it is that a kind of or else to need flow controller military service be the underground throttle device that can be removed at any time.
To achieve the above object, the present invention adopts the following technical scheme that realize:
A kind of waterpower pumped type underground throttle device, it includes at least central tube, and center pipe outer wall is from top to bottom successively socketed with the
Two seat rings, the second slips, the second rubber tube seat, the second short rubber cylinder, long packing element type, the first short rubber cylinder, the first rubber tube seat, the first slips,
First seat ring is socketed between the adjacent component outside central tube and is in contact, and the second seat ring upper end is connected with the second nut, First
Ring lower end is connected with the first nut, and the second nut and the first nut are threadedly coupled with central tube respectively；Central tube Basolateral
Sand cap is socketed on wall, the bottom end internal diameter of central tube is less than the internal diameter of central tube rest part, the flow nipple and center
Tube bottom end inner sidewall connects, and flow nipple bottom is flushed with central tube bottom face, is provided with spiral shell on central tube apical lateral wall
Line.
The sand cap is the hemispherical closing in barrel-shaped and bottom end, the outer diameter phase of the internal diameter and central tube of sand cap upper end
Matching, the upper end of sand cap are socketed on the lateral wall of central tube, and being arranged side by side on sand cap side wall has strip through-hole.
The flow nipple includes big flow nipple and small flow nipple, and big flow nipple and small flow nipple are sequentially connected from top to bottom
On the inner sidewall of central tube bottom end, the lower end surface of small flow nipple and the end face of central tube bottom end.
The long packing element type is made of the cylindrical section that hollow both ends are two rotary table sections of rotary table section and linking, both ends rotary table section
Hollow diameters matched with the outer diameter of central tube, the inner cavity of cylindrical section is spindle, and fusiform middle part is provided with support column.
First short rubber cylinder and the second short rubber cylinder are made of hollow cylindrical section and rotary table section, hollow internal diameter and center
The outer diameter of pipe matches, and cylindrical section bottom face is provided with and matched first baltimore groove of long packing element type rotary table section, long packing element type and the first short glue
Cylinder passes through the first baltimore groove with the second short rubber cylinder respectively and connects.
First rubber tube seat and the second rubber tube seat is made of hollow rotary table section and cylindrical section, in the middle part of cylindrical section
Lateral wall on, be provided with the second circular baltimore groove, be provided with and the first short rubber cylinder and the second short rubber cylinder in the bottom surface of cylindrical section
The third baltimore groove that matches of rotary table section, the first short rubber cylinder and the second short rubber cylinder pass through third baltimore groove and the first short glue respectively
Cylinder is connected with the second short rubber cylinder.
First short rubber cylinder, long packing element type and second short rubber cylinder uses rubber material；First slips and second
Slips uses ceramic material；Remaining part uses carbon fibre composite.
The central tube at the 6-10mm of top, is being provided with cyclic annular thin-walled, thin-walled with a thickness of 1-10mm, thin-walled
Length be 1-10mm, the 3-20 mm of central tube tube wall.
The sand cap is the hemispherical closing in barrel-shaped and bottom end, the outer diameter phase of the internal diameter and central tube of sand cap upper end
Matching, the upper end of sand cap are socketed on the lateral wall of central tube, and being arranged side by side on sand cap side wall has strip through-hole；Described
Flow nipple includes big flow nipple and small flow nipple, and big flow nipple and small flow nipple are connected to central tube bottom end in turn from top to bottom
On inner sidewall, the lower end surface of small flow nipple and the end face of central tube bottom end；The long packing element type is circle by hollow both ends
Platform section and the cylindrical section composition for being connected two rotary table sections, the hollow diameters of both ends rotary table section are matched with the outer diameter of central tube, cylindrical section
Inner cavity be spindle, fusiform middle part is provided with support column；First short rubber cylinder and the second short rubber cylinder are by hollow
Cylindrical section and rotary table section composition, hollow internal diameter are matched with the outer diameter of central tube, and cylindrical section bottom face is provided with and long packing element type rotary table
Matched first baltimore groove of section, long packing element type pass through the first baltimore groove with the first short rubber cylinder and the second short rubber cylinder respectively and connect；It is described
The first rubber tube seat and the second rubber tube seat be made of hollow rotary table section and cylindrical section, on the lateral wall in the middle part of cylindrical section,
It is provided with the second circular baltimore groove, is provided with the rotary table section phase with the first short rubber cylinder and the second short rubber cylinder in the bottom surface of cylindrical section
The third baltimore groove matched, the first short rubber cylinder and the second short rubber cylinder pass through third baltimore groove and the first short rubber cylinder and the second short glue respectively
Cylinder connection；First short rubber cylinder, long packing element type and second short rubber cylinder uses rubber material；First slips and the second card
Watt use ceramic material, remaining part use carbon fibre composite；The central tube is arranged at the 6-10mm of top
Have a cyclic annular thin-walled, thin-walled with a thickness of 1-10mm, the length of thin-walled is 1-10mm, the 3-20 mm of central tube tube wall.
A kind of application method of waterpower pumped type underground throttle device, it is characterized in that: through wash well operations, guarantee that pit shaft is clean；
The upper end of waterpower pumped type underground throttle device central tube is connect by screw thread with setting tool, to be connect with delivery tool；
The top of delivery tool and central tube is detachably connected；Delivery tool is connected with cable, end, magnetic orientation in turn from top to bottom
Instrument, weighted lever, igniter head and setting tool；One end of setting tool, which is provided with, to match with the screw thread of central tube top side wall
Screw thread, setting tool and central tube are detachably connected by screw thread；It is fixed by positioning device, that is, magnetic orientator on delivery tool
Position, by, to after design position, igniter fire is set, and pushes away First under setting tool outer cylinder under waterpower pumped type underground throttle device
Ring, the second seat ring, the first seat ring, the second seat ring, which move down, pushes the first slips and the second slips, the first slips and the second slips point
It does not move down and struts along the first rubber tube seat and the second rubber tube seat, while the first rubber tube seat, the second rubber tube seat being pushed to compress the first short glue
Cylinder, long packing element type and the second short rubber cylinder make packing element expansion achieve the purpose that block casing annulus, at this time the first slips and second
Slips is stuck on internal surface of sleeve pipe, while central tube tension, is broken at the thin-walled of central tube design, and waterpower pumped type underground is completed
It flow controller setting and gives up；Not when needing underground throttle device to work, has quick drill grinding by continuous tubing drill grinder
It removes.
Beneficial effects of the present invention:
1, the present invention is symmetrical arranged by sand cap, flow nipple and seat ring, slips, rubber tube seat, short rubber cylinder long packing element type two sides
And delivery tool connects on flow controller top and is arranged, realizing underground throttle device can not only install and use in straight well section pit shaft,
And be similarly able to use in horizontal segment, the scope of application of downhole choke is expanded, and achieve good using effect；
2, the present invention is by delivery tool by the organic of cable, end, magnetic orientator, weighted lever, igniter head and setting tool
It is wholely set, so that can not only accurately control the position of dispensing, and avoid during launching underground throttle device
Midway is launched, due to launching improper the phenomenon that causing underground throttle device midway to set, reliability is higher.Hydraulic pump of the present invention
It send formula underground throttle device using light material, can use cable dragging waterpower and be pumped to horizontal segment designated position, utilize cable
Igniting is set, and is set reliably, and the design of waterpower pumped type underground throttle device has renewable flow nipple, is needing replacing larger inner diameter
Flow controller mouth when, enter center-pole with specific purpose tool and lower beat time stem bar squeeze into big flow nipple in sand cap, can start
Small flow nipple；Waterpower pumped type underground throttle device uses composite material, in the later period of being on active service, can be removed with quick drill grinding.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of waterpower pumped type underground throttle device structural profile illustration of the present invention；
Fig. 2 is that a kind of waterpower pumped type underground throttle device of the present invention sets tubular column structure schematic diagram.
Fig. 3 is a kind of waterpower pumped type underground throttle device flow nipple adjustment specific purpose tool schematic diagram of the present invention.
In figure: 1- sand cap；The small flow nipple of 2-；The big flow controller mouth of 3-；The first nut of 4-；The first seat ring of 5-；6- first blocks
Watt；The first rubber tube seat of 7-；The first short rubber cylinder of 8-；9- long packing element type；The second short rubber cylinder of 10-；The second rubber tube seat of 11-；12- second blocks
Watt；The second seat ring of 13-；The second nut of 14-；15- central tube；16- cable；17- end；18- magnetic orientator；19- weighted lever；
20- igniter head；21- setting tool；22- waterpower pumped type underground throttle device；The first baltimore groove of 23-；The second baltimore groove of 24-；25-
Third baltimore groove；26- support column；27- expansion joint；28- handle；29- limited block；30- mandril；The top 31-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
Embodiment one:
A kind of waterpower pumped type underground throttle device as depicted in figs. 1 and 2, it includes at least central tube 15,15 outer wall of central tube
From top to bottom successively it is socketed with the second seat ring 13, the second slips 12, the second rubber tube seat 11, the second short rubber cylinder 10, long packing element type 9,
One short rubber cylinder 8, the first rubber tube seat 7, the first slips 6, the first seat ring 5 connect between the adjacent component being socketed in outside central tube 15
Touching, 13 upper end of the second seat ring are connected with the second nut 14, and 5 lower end of the first seat ring is connected with the first nut 4, the second nut 14 and the
One nut 4 is threadedly coupled with central tube 15 respectively；It is socketed with sand cap 1 on 15 Basolateral wall of central tube, central tube 15
Bottom end internal diameter is less than the internal diameter of 15 rest part of central tube, and the flow nipple and 15 bottom end inner sidewall of central tube connect,
Flow nipple bottom is flushed with 15 bottom face of central tube, is provided with screw thread on 15 apical lateral wall of central tube.
In actual use, through wash well operations guarantee that pit shaft is clean；By waterpower pumped type underground throttle device central tube 15
Upper end is connect by screw thread with setting tool 21, to connect with delivery tool；The top of delivery tool and central tube 15 is removable
Unload connection.Delivery tool is connected with cable 16, end 17, magnetic orientator 18, weighted lever 19, igniter head 20 in turn from top to bottom
With setting tool 21；One end of setting tool 21 is provided with the screw thread to match with the screw thread of 15 top side wall of central tube, sets
Tool 21 is detachably connected with central tube 15 by screw thread.In actual use, the present invention uses light material, can use electricity
Cable dragging waterpower is pumped to horizontal segment designated position, and is set using cable igniting, sets reliable.Pass through determining on delivery tool
Position device, that is, magnetic orientator 18 positions, by, to after design position, the igniting of igniter 20 is sat under waterpower pumped type underground throttle device 22
It seals, the first seat ring 5, the second seat ring 13 is pushed away under setting 21 outer cylinder of tool, the first seat ring 5, the second seat ring 13 move down the first card of promotion
Watts 6 and second slips 12, the first slips 6 and the second slips 12 move down and strut along the first rubber tube seat 7 and the second rubber tube seat 11 respectively,
It pushes the first rubber tube seat 7, the second rubber tube seat 11 to compress the first short rubber cylinder 8, long packing element type 9 and the second short rubber cylinder 10 simultaneously, makes packing element
Expansion achievees the purpose that closure casing annulus, and the first slips 6 and the second slips 12 are stuck on internal surface of sleeve pipe at this time, while in
15 tension of heart pipe is broken at the thin-walled that central tube 15 designs, and is completed the setting of waterpower pumped type underground throttle device and is given up.When
Not when needing underground throttle device to work, has quick drill grinding by continuous tubing drill grinder and remove.Second nut 14 and the first spiral shell
It is short that cap 4 primarily serves the second seat ring 13 of preload, the second slips 12, the second rubber tube seat 11, the second short rubber cylinder 10, long packing element type 9, first
The effect of packing element 8, the first rubber tube seat 7, the first slips 6, the first seat ring 5.
Embodiment two:
A kind of waterpower pumped type underground throttle device as shown in Figure 1, difference from Example 1 are: the sand cap 1 is
The outer diameter of the hemispherical closing in barrel-shaped and bottom end, the internal diameter and central tube 15 of 1 upper end of sand cap matches, the upper end of sand cap 1
It is socketed on the lateral wall of central tube 15, being arranged side by side on 1 side wall of sand cap has strip through-hole.
The setting of sand cap 1 in actual use can make the present invention exclude the interference of silt, be chronically at good fortune
Row state.
Embodiment three:
A kind of waterpower pumped type underground throttle device as shown in Figure 1, difference from Example 1 are: the flow nipple packet
Big flow nipple 3 and small flow nipple 2 are included, big flow nipple 3 and small flow nipple 2 are connected to the interior of 15 bottom end of central tube in turn from top to bottom
On side wall, the lower end surface of small flow nipple 2 and the end face of 15 bottom end of central tube.
In actual use, the setting of big flow nipple 3 and small flow nipple 2, so that in the throttling for needing replacing larger inner diameter
When device mouth, under hit large diameter flow nipple and squeezed into sand cap, small flow nipple can be started, expand and of the invention use model
It encloses.
Example IV:
A kind of waterpower pumped type underground throttle device as shown in Figure 1, difference from Example 1 are: the long packing element type 9 by
Hollow both ends are rotary table section and the cylindrical section composition for being connected two rotary table sections, hollow diameters and the central tube 15 of both ends rotary table section
The inner cavity of outer diameter matching, cylindrical section is spindle, and fusiform middle part is provided with support column 26.
Preferably described first short rubber cylinder 8 and the second short rubber cylinder 10 are made of hollow cylindrical section and rotary table section, hollow
Internal diameter matched with the outer diameter of central tube 15, cylindrical section bottom face be provided with matched first baltimore groove 23 of 9 rotary table section of long packing element type,
Long packing element type 9 is connect by the first baltimore groove 23 respectively with the first short rubber cylinder 8 and the second short rubber cylinder 10.
Preferably first rubber tube seat 7 and the second rubber tube seat 11 is made of hollow rotary table section and cylindrical section,
On the lateral wall in the middle part of cylindrical section, it is provided with the second circular baltimore groove 24, is provided with and the first short glue in the bottom surface of cylindrical section
The third baltimore groove 25 that the rotary table section of cylinder 8 and the second short rubber cylinder 10 matches, the first short rubber cylinder 8 and the second short rubber cylinder 10 lead to respectively
Third baltimore groove 25 is crossed to connect with the first short rubber cylinder 8 and the second short rubber cylinder 10.
Preferably the first short rubber cylinder 8, long packing element type 9 and second short rubber cylinder 10 uses rubber material；Described
One slips 6 and the second slips 12 use ceramic material；Remaining part uses carbon fibre composite.
In actual use, long packing element type 9, the first rubber tube seat 7 and the second rubber tube seat 11, the first rubber tube seat 7 and the second packing element
The structure setting of seat 11 is allowed to move down so that pushing away the first seat ring 5 and the second seat ring 13 under 21 outer cylinder of setting tool, to push
It is smooth that first slips 6 and the second slips 12 move down distracted process along the first rubber tube seat 7 and the second rubber tube seat 11 respectively.First is short
Packing element 8, long packing element type 9 and the second short rubber cylinder 10 use rubber material；First slips 6 and the second slips 12 use ceramic material；Its
Remaining part part uses carbon fibre composite, alleviates weight of the invention, can drag waterpower using cable and be pumped to horizontal segment
Reach designated position.
Embodiment five:
A kind of waterpower pumped type underground throttle device as shown in Figure 1, difference from Example 1 are: the central tube 15
At the 6-10mm of top, be provided with cyclic annular thin-walled, thin-walled with a thickness of 1-10mm, the length of thin-walled is 1-10mm, center
The 3-20 mm of 15 tube wall of pipe.
In actual use, the setting of 15 thin-walled of central tube, so that function of the invention is realized well.
Embodiment six:
A kind of waterpower pumped type underground throttle device as shown in Figure 1, difference from Example 1 are: the sand cap 1 is
The outer diameter of the hemispherical closing in barrel-shaped and bottom end, the internal diameter and central tube 15 of 1 upper end of sand cap matches, the upper end of sand cap 1
It is socketed on the lateral wall of central tube 15, being arranged side by side on 1 side wall of sand cap has strip through-hole；The flow nipple includes big section
Stem bar 3 and small flow nipple 2, big flow nipple 3 and small flow nipple 2 are connected to the inner sidewall of 15 bottom end of central tube in turn from top to bottom
On, the lower end surface of small flow nipple 2 and the end face of 15 bottom end of central tube；The long packing element type 9 is rotary table by hollow both ends
The cylindrical section composition of two rotary table sections of section and linking, the hollow diameters of both ends rotary table section are matched with the outer diameter of central tube 15, cylindrical section
Inner cavity be spindle, fusiform middle part is provided with support column 26；First short rubber cylinder 8 and the second short rubber cylinder 10 are in
Empty cylindrical section and rotary table section composition, hollow internal diameter are matched with the outer diameter of central tube 15, and cylindrical section bottom face is provided with and long glue
Cylinder matched first baltimore groove 23 of 9 rotary table sections, long packing element type 9 and the first short rubber cylinder 8 and the second short rubber cylinder 10 are recessed by first respectively
Shape slot 23 connects；First rubber tube seat 7 and the second rubber tube seat 11 is made of hollow rotary table section and cylindrical section, in cylinder
On the lateral wall at section middle part, it is provided with the second circular baltimore groove 24, is provided with and the first short rubber cylinder 8 and the in the bottom surface of cylindrical section
The third baltimore groove 25 that the rotary table section of two short rubber cylinders 10 matches, the first short rubber cylinder 8 and the second short rubber cylinder 10 pass through third respectively
Baltimore groove 25 is connect with the first short rubber cylinder 8 and the second short rubber cylinder 10；First short rubber cylinder 8, long packing element type 9 and second short rubber cylinder
10 use rubber material；First slips 6 and the second slips 12 uses ceramic material, and remaining part is compound using carbon fiber
Material；The central tube 15 at the 6-10mm of top, is being provided with cyclic annular thin-walled, thin-walled with a thickness of 1-10mm, thin-walled
Length be 1-10mm, the 3-20 mm of 15 tube wall of central tube.
In actual use, in actual use, through wash well operations guarantee that pit shaft is clean；Waterpower pumped type underground is saved
The upper end of stream device central tube 15 is connect by screw thread with setting tool 21, to connect with delivery tool；Delivery tool and center
The top of pipe 15 is detachably connected.Delivery tool is connected with cable 16 in turn from top to bottom, end 17, magnetic orientator 18, adds
Weight bar 19, igniter head 20 and setting tool 21；One end of setting tool 21 is provided with the screw thread phase with 15 top side wall of central tube
Matched screw thread, setting tool 21 are detachably connected with central tube 15 by screw thread.In actual use, the present invention uses lightweight
Material can use cable dragging waterpower and be pumped to horizontal segment designated position, and set using cable igniting, set reliable.It is logical
The positioning device i.e. magnetic orientator 18 crossed on delivery tool positions, and waterpower pumped type underground throttle device 22 is lower to design position
Afterwards, the igniting of igniter 20 is set, and the first seat ring 5, the second seat ring 13, the first seat ring 5, the second seat ring are pushed away under setting 21 outer cylinder of tool
13 move down the first slips 6 of promotion and the second slips 12, and the first slips 6 and the second slips 12 are respectively along the first rubber tube seat 7 and second
Rubber tube seat 11, which moves down, to be strutted, while the first rubber tube seat 7, the second rubber tube seat 11 being pushed to compress the first short rubber cylinder 8, long packing element type 9 and the
Two short rubber cylinders 10 make packing element expansion achieve the purpose that block casing annulus, and the first slips 6 and the second slips 12 are stuck at this time
On internal surface of sleeve pipe, while 15 tension of central tube, it is broken at the thin-walled that central tube 15 designs, completes waterpower pumped type downhole choke
It device setting and gives up.Not when needing underground throttle device to work, has quick drill grinding by continuous tubing drill grinder and remove.The
Two nuts 14 and the first nut 4, which primarily serve, pre-tightens the second seat ring 13, the second slips 12, the second rubber tube seat 11, the second short rubber cylinder
10, the effect of long packing element type 9, the first short rubber cylinder 8, the first rubber tube seat 7, the first slips 6, the first seat ring 5.Big flow nipple 3 and trifle
The setting of stem bar 2 so that in the flow controller mouth for needing replacing larger inner diameter, under hit large diameter flow nipple and squeezed into sand cap
It is interior, small flow nipple can be started, expand use scope of the invention.Long packing element type 9, the first rubber tube seat 7 and the second rubber tube seat 11,
The structure setting of first rubber tube seat 7 and the second rubber tube seat 11, so that pushing away the first seat ring 5 and the second seat ring under 21 outer cylinder of setting tool
13, it is allowed to move down, so that the first slips 6 and the second slips 12 be pushed to move down along the first rubber tube seat 7 and the second rubber tube seat 11 respectively
Distracted process is smooth.First short rubber cylinder 8, long packing element type 9 and the second short rubber cylinder 10 use rubber material；First slips 6 and second
Slips 12 uses ceramic material；Remaining part uses carbon fibre composite, alleviates weight of the invention, can using cable
Dragging waterpower is pumped to horizontal segment and reaches designated position.The setting of 15 thin-walled of central tube, so that function of the invention is real well
It is existing.
In conclusion the present invention is by setting sand cap, flow nipple and seat ring, slips, rubber tube seat, short rubber cylinder in long packing element type
The arranged symmetrically and delivery tool of two sides connects on flow controller top to be arranged, and realizing underground throttle device can not only be in straight well Duan Jing
It installs and uses in cylinder, and is similarly able to use in horizontal segment, expand the scope of application of downhole choke, and achieve good
Good using effect；By delivery tool by the organic of cable, end, magnetic orientator, weighted lever, igniter head and setting tool
It is wholely set, so that can not only accurately control the position of dispensing, and avoid during launching underground throttle device
Midway is launched, due to launching improper the phenomenon that causing underground throttle device midway to set, reliability is higher.Hydraulic pump of the present invention
It send formula underground throttle device using light material, can use cable dragging waterpower and be pumped to horizontal segment designated position, utilize cable
Igniting is set, and is set reliably, and the design of waterpower pumped type underground throttle device has renewable flow nipple, is needing replacing larger inner diameter
Flow controller mouth when, with hitting flow nipple 3 in core bar 15 under matched adjustment specific purpose tool, flow nipple 2 is in sand cap,
Small flow nipple can be started；Adjusting specific purpose tool is from top to bottom successively by expansion joint 27, handle 28, limited block 29, mandril
30, the integral mechanism of 31 composition of top；Waterpower pumped type underground throttle device uses composite material, can be quick in the later period of being on active service
Grinding is bored to remove.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", "
The second " feature can explicitly or implicitly include at least one of the features.
Technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
Claims (10)
1. a kind of waterpower pumped type underground throttle device, it includes at least central tube (15), it is characterised in that: central tube (15) outer wall
From top to bottom successively it is socketed with the second seat ring (13), the second slips (12), the second rubber tube seat (11), the second short rubber cylinder (10), length
Packing element (9), the first short rubber cylinder (8), the first rubber tube seat (7), the first slips (6), the first seat ring (5), are socketed in central tube (15)
It is in contact between outer adjacent component, the second seat ring (13) upper end is connected with the second nut (14), the connection of the first seat ring (5) lower end
Have the first nut (4), the second nut (14) and the first nut (4) are threadedly coupled with central tube (15) respectively；Central tube (15)
It being socketed on Basolateral wall sand cap (1), the bottom end internal diameter of central tube (15) is less than the internal diameter of central tube (15) rest part,
The flow nipple and central tube (15) bottom end inner sidewall connects, and flow nipple bottom is flushed with central tube (15) bottom face,
Screw thread is provided on central tube (15) apical lateral wall.
2. a kind of waterpower pumped type underground throttle device as described in claim 1, it is characterised in that: the sand cap (1) is
The outer diameter of the hemispherical closing in barrel-shaped and bottom end, the internal diameter and central tube (15) of sand cap (1) upper end matches, sand cap (1)
Upper end be socketed on the lateral wall of central tube (15), on sand cap (1) side wall be arranged side by side have strip through-hole.
3. a kind of waterpower pumped type underground throttle device as described in claim 1, feature
Be: the flow nipple includes big flow nipple (3) and small flow nipple (2), big flow nipple (3) and small flow nipple (2) from
It is connected in turn under on the inner sidewall of central tube (15) bottom end, the lower end surface and central tube (15) bottom end of small flow nipple (2)
End face.
4. a kind of waterpower pumped type underground throttle device as described in claim 1, it is characterised in that: the long packing element type (9) by
Hollow both ends are rotary table section and the cylindrical section composition for being connected two rotary table sections, hollow diameters and central tube (15) of both ends rotary table section
Outer diameter matching, the inner cavity of cylindrical section is spindle, and fusiform middle part is provided with support column (26).
5. a kind of waterpower pumped type underground throttle device as described in claim 1, it is characterised in that: first short rubber cylinder (8)
It being made of with the second short rubber cylinder (10) hollow cylindrical section and rotary table section, hollow internal diameter is matched with the outer diameter of central tube (15),
Cylindrical section bottom face is provided with and matched first baltimore groove (23) of long packing element type (9) rotary table section, long packing element type (9) and the first short rubber cylinder
(8) it is connected respectively by the first baltimore groove (23) with the second short rubber cylinder (10).
6. a kind of waterpower pumped type underground throttle device as described in claim 1, it is characterised in that: first rubber tube seat
(7) it is made of with the second rubber tube seat (11) hollow rotary table section and cylindrical section, on the lateral wall in the middle part of cylindrical section, is provided with circle
Cricoid second baltimore groove (24) is provided with the rotary table with the first short rubber cylinder (8) and the second short rubber cylinder (10) in the bottom surface of cylindrical section
The third baltimore groove (25) that section matches, the first short rubber cylinder (8) and the second short rubber cylinder (10) pass through third baltimore groove (25) respectively
It is connect with the first short rubber cylinder (8) and the second short rubber cylinder (10).
7. a kind of waterpower pumped type underground throttle device as described in claim 1, it is characterised in that: first short rubber cylinder
(8), long packing element type (9) and the second short rubber cylinder (10) use rubber material；First slips (6) and the second slips (12) use
Ceramic material；Remaining part uses carbon fibre composite.
8. a kind of waterpower pumped type underground throttle device as described in one of claim 1,2 or 4, it is characterised in that: in described
Heart pipe (15) at the 6-10mm of top, is being provided with cyclic annular thin-walled, thin-walled with a thickness of 1-10mm, the length of thin-walled is 1-
10mm, the 3-20 mm of central tube (15) tube wall.
9. a kind of waterpower pumped type underground throttle device as described in claim 1, it is characterised in that: the sand cap (1) is
The outer diameter of the hemispherical closing in barrel-shaped and bottom end, the internal diameter and central tube (15) of sand cap (1) upper end matches, sand cap (1)
Upper end be socketed on the lateral wall of central tube (15), on sand cap (1) side wall be arranged side by side have strip through-hole；The throttling
Mouth includes big flow nipple (3) and small flow nipple (2), and big flow nipple (3) and small flow nipple (2) are connected to center in turn from top to bottom
On the inner sidewall for managing (15) bottom end, the lower end surface of small flow nipple (2) and the end face of central tube (15) bottom end；The long glue
Cylinder (9) is made of the cylindrical section that hollow both ends are two rotary table sections of rotary table section and linking, and the hollow diameters of both ends rotary table section are in
The outer diameter of heart pipe (15) matches, and the inner cavity of cylindrical section is spindle, and fusiform middle part is provided with support column (26)；Described
One short rubber cylinder (8) and the second short rubber cylinder (10) are made of hollow cylindrical section and rotary table section, hollow internal diameter and central tube (15)
Outer diameter matching, cylindrical section bottom face be provided with matched first baltimore groove (23) of long packing element type (9) rotary table section, long packing element type (9) with
First short rubber cylinder (8) and the second short rubber cylinder (10) are connected by the first baltimore groove (23) respectively；First rubber tube seat (7) and
Second rubber tube seat (11) is made of hollow rotary table section and cylindrical section, on the lateral wall in the middle part of cylindrical section, is provided with annular shape
The second baltimore groove (24), be provided with the rotary table section phase with the first short rubber cylinder (8) and the second short rubber cylinder (10) in the bottom surface of cylindrical section
Matched third baltimore groove (25), the first short rubber cylinder (8) and the second short rubber cylinder (10) pass through third baltimore groove (25) and the respectively
One short rubber cylinder (8) and the second short rubber cylinder (10) connection；First short rubber cylinder (8), long packing element type (9) and second short rubber cylinder (10)
Using rubber material；First slips (6) and the second slips (12) uses ceramic material, and remaining part is multiple using carbon fiber
Condensation material；The central tube (15) at the 6-10mm of top, is being provided with cyclic annular thin-walled, thin-walled with a thickness of 1-10mm,
The length of thin-walled is 1-10mm, the 3-20 mm of central tube (15) tube wall.
10. a kind of application method of waterpower pumped type underground throttle device, it is characterized in that: through wash well operations, guarantee that pit shaft is clean；It will
The upper end of waterpower pumped type underground throttle device central tube is connect by screw thread with setting tool, to connect with delivery tool；It throws
The top for putting tool and central tube is detachably connected；Delivery tool is connected with cable, end, magnetic orientation in turn from top to bottom
Instrument, weighted lever, igniter head and setting tool；One end of setting tool, which is provided with, to match with the screw thread of central tube top side wall
Screw thread, setting tool and central tube are detachably connected by screw thread；It is fixed by positioning device, that is, magnetic orientator on delivery tool
Position, by, to after design position, igniter fire is set, and pushes away First under setting tool outer cylinder under waterpower pumped type underground throttle device
Ring, the second seat ring, the first seat ring, the second seat ring, which move down, pushes the first slips and the second slips, the first slips and the second slips point
It does not move down and struts along the first rubber tube seat and the second rubber tube seat, while the first rubber tube seat, the second rubber tube seat being pushed to compress the first short glue
Cylinder, long packing element type and the second short rubber cylinder make packing element expansion achieve the purpose that block casing annulus, at this time the first slips and second
Slips is stuck on internal surface of sleeve pipe, while central tube tension, is broken at the thin-walled of central tube design, and waterpower pumped type underground is completed
It flow controller setting and gives up；Not when needing underground throttle device to work, has quick drill grinding by continuous tubing drill grinder
It removes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811235441.4A CN109403929B (en) | 2018-10-23 | 2018-10-23 | Hydraulic pumping type downhole choke and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811235441.4A CN109403929B (en) | 2018-10-23 | 2018-10-23 | Hydraulic pumping type downhole choke and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109403929A true CN109403929A (en) | 2019-03-01 |
| CN109403929B CN109403929B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811235441.4A Active CN109403929B (en) | 2018-10-23 | 2018-10-23 | Hydraulic pumping type downhole choke and use method thereof |
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| Country | Link |
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| CN (1) | CN109403929B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691862A (en) * | 2020-07-08 | 2020-09-22 | 中国石油天然气股份有限公司 | Multifunctional underground throttle free of rope throwing and fishing |
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| US5370179A (en) * | 1993-07-13 | 1994-12-06 | Mills; Robert A. R. | Drive head for rotary down hole pump |
| US20050000691A1 (en) * | 2000-04-17 | 2005-01-06 | Weatherford/Lamb, Inc. | Methods and apparatus for handling and drilling with tubulars or casing |
| US20060032638A1 (en) * | 2004-07-30 | 2006-02-16 | Giroux Richard L | Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly |
| CN201778787U (en) * | 2010-08-25 | 2011-03-30 | 中国石油天然气股份有限公司 | Single-screw centrifugal injection downhole choke |
| CN204002734U (en) * | 2014-05-23 | 2014-12-10 | 西安金立石油科技有限公司 | A kind of pneumatic setting restriction choke |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3314224A (en) * | 1963-02-06 | 1967-04-18 | Hamel Gmbh | Bobbin-building mechanism |
| US5370179A (en) * | 1993-07-13 | 1994-12-06 | Mills; Robert A. R. | Drive head for rotary down hole pump |
| US20050000691A1 (en) * | 2000-04-17 | 2005-01-06 | Weatherford/Lamb, Inc. | Methods and apparatus for handling and drilling with tubulars or casing |
| US20060032638A1 (en) * | 2004-07-30 | 2006-02-16 | Giroux Richard L | Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly |
| CN201778787U (en) * | 2010-08-25 | 2011-03-30 | 中国石油天然气股份有限公司 | Single-screw centrifugal injection downhole choke |
| CN204002734U (en) * | 2014-05-23 | 2014-12-10 | 西安金立石油科技有限公司 | A kind of pneumatic setting restriction choke |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691862A (en) * | 2020-07-08 | 2020-09-22 | 中国石油天然气股份有限公司 | Multifunctional underground throttle free of rope throwing and fishing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109403929B (en) | 2023-09-26 |
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