CN205477506U - Hydraulic pressure is given up well head hanger and self -blowing favourable turn and is adopted integrated subassembly - Google Patents
Hydraulic pressure is given up well head hanger and self -blowing favourable turn and is adopted integrated subassembly Download PDFInfo
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- CN205477506U CN205477506U CN201620193262.9U CN201620193262U CN205477506U CN 205477506 U CN205477506 U CN 205477506U CN 201620193262 U CN201620193262 U CN 201620193262U CN 205477506 U CN205477506 U CN 205477506U
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Abstract
The utility model relates to an integrated device technical field is adopted to the self -blowing favourable turn, is a hydraulic pressure is given up well head hanger and self -blowing favourable turn and is adopted integrated subassembly, the former includes inner tube, shearing pin nail, suppresses and presses sleeve and urceolus, suppresses to be equipped with to suppress between the outside of pressing telescopic inboard and inner tube and presses the chamber, corresponds to be equipped with and to suppress on the lateral wall of suppressing the inner tube of pressing the chamber position to press chamber communicating biography pressure hole, suppress press telescopic outside cover be equipped with can along with suppress press that the sleeve goes upward hang the claw cover, hang the lower part of claw cover and separate two slice at least claw lamellas of formation through the cannelure that distributes along the circumference, the lower extreme of every claw lamella all is fixed with claw. The latter is including purpose -built tubing nipple and the hydraulic pressure well head hanger of giving up. The utility model is suitable for an operation is adopted to self -blowing in the brill well completion construction operation of straight well or exceptional well favourable turn, can replace adopting among the prior art construction process of repacking preventer or purpose -built preventer from this to eliminate the potential safety hazard of from this bringing, still can reduce the cost for oil production by a wide margin, and improve work efficiency.
Description
Technical field
This utility model relates to blowing favourable turn and adopts integrated apparatus technical field, be a kind of hydraulic releasing well mouth hanger and
Blowing favourable turn adopts integral component.
Background technology
Straight well or exceptional well be drilled well construction operation after, for cost-effective, the later stage no longer transfers with workover rig and takes out
Beam hanger pump, usual way is for just transferring to precalculated position by rod-type pumping unit when drilling equipment dress production tree.This construction technology
Need a kind of blowing favourable turn to adopt integrated apparatus, this device can terminate with the use of, blowing with particular oils pipe joint inwall after not
Affect the new tool of the construction operations such as later stage mechanical oil recovery.And the mode of routine is by repacking preventer or special preventer
After resuspend rod-type pumping unit, this mode can have the biggest potential safety hazard when going out oil gas, and equally, special preventer causes expense
With increase, therefore, conventional hang also exists the biggest potential safety hazard or the problem of the high cost special preventer of making.
Summary of the invention
This utility model provides a kind of hydraulic releasing well mouth hanger and blowing favourable turn adopts integral component, overcomes
State the deficiency of prior art, its can effectively solve existing blowing favourable turn adopt existing for integrated apparatus employing repacking preventer or
The cost of manufacture of special preventer is high, and efficiency of construction is relatively low, causes cost for oil production to increase, and the problem that there is potential safety hazard.
One of the technical solution of the utility model is realized by following measures: a kind of hydraulic releasing well head hangs
Device is including inner core, shear pin, the sleeve that builds the pressure, limiting component, suspension pawl set, lower contact and urceolus, logical outside the middle part of inner core
Crossing shear pin and be installed with the sleeve that builds the pressure, be provided with, between inner side and the outside of inner core of the sleeve that builds the pressure, the chamber that builds the pressure, correspondence is suppressed
The sidewall of the inner core of pressure position, chamber is provided with the pressure transmission hole communicated with the chamber that builds the pressure, and side is provided with to limit and builds the pressure under sleeve outer tube
The limiting component of row；At the outer sheath of the sleeve that builds the pressure equipped with hanging pawl set with the up suspension pawl set of the sleeve that builds the pressure
Bottom is separated to form at least two Piece Claw lobes by circumferential cannelure, and the lower end of every Piece Claw lobe is respectively and fixedly provided with cat's paw；In
The lower outside of cylinder is fixedly installed togather with the upper inner of lower contact, the endoporus shape of the lower contact of corresponding inner core lower position
One-tenth can make to build the pressure the passage that builds the pressure that ball sets, and is provided with and inwardly can receive with preventing claw tooth inside spacing cat's paw outside the upper end of lower contact
The outer groove of contracting, and the bottom of each pawl lobe is all in outwards expanding shape；The upper outside of inner core is installed with and can hang pawl
Overlap up during shrink pawl lobe bottom and the urceolus of the sleeve displacement that builds the pressure can be limited；The upper inner of urceolus is provided with interior spiral shell
Stricture of vagina, the lower outside of lower contact is provided with external screw thread.
Further optimization and/or improvements to above-mentioned utility model technical scheme are presented herein below:
The above-mentioned inside middle portion at the sleeve that builds the pressure can be provided with interior land, the inner core of corresponding interior land top position and the set that builds the pressure
It is provided with between Tong and under the effect of high-pressure fluid, shear pin can be cut off by building the pressure and the up upper bone of the sleeve that builds the pressure can be promoted
Frame sealing ring, is provided with top outside the inner core of corresponding interior land lower position and is sleeved on the limiting section inside the lower cartridge that builds the pressure
Part, corresponding in the inner core of position and build the pressure and be provided with lower skeleton sealing ring between sleeve between land and limiting component；Bone in correspondence
The inner core of position and build the pressure and form the chamber that builds the pressure between sleeve between frame sealing ring and lower skeleton sealing ring.
The above-mentioned sleeve that builds the pressure can include fixing cylinder and connecting cylinder, and in the middle part of inner core, outside is set with fixing cylinder the most successively
And connecting cylinder, fixing cylinder is fixedly installed togather with inner core by shear pin, and the lower end outside of fixing cylinder is upper with connecting cylinder
Be fixedly installed togather inside end, be provided with interior land at the middle part of connecting cylinder, the inwall of interior land and and the outer wall of inner core between
There is spacing, bottom corresponding fixing cylinder and between interior land top, between inner core and the connecting cylinder of position, be provided with upper skeleton sealing ring,
Form, between inner core and the connecting cylinder of position, the chamber that builds the pressure between corresponding upper skeleton sealing ring and lower skeleton sealing ring；In fixing cylinder
It is provided with outer chuck outside portion, inside the upper end hanging pawl set of corresponding outer chuck top position, is provided with seat internal ring in outer chuck
Chuck.
Above-mentioned fixing cylinder can include retaining ring and shear pin cylinder, in the middle part of inner core outside be set with the most successively retaining ring and
Shear pin cylinder, is provided with the centering ring being sleeved on outside inner core and playing the guiding role during up inside the upper end of retaining ring
Platform, the lower outside at retaining ring is provided with outer chuck；The top of shear pin cylinder is sleeved on the lower inside of retaining ring, corresponding retaining ring
Being provided with support platform outside the shear pin cylinder of lower position, the bottom surface seat of retaining ring is in supporting on platform and retaining ring peace fixing with shear pin cylinder
Being fitted together, shear pin cylinder is fixedly installed togather by shear pin with inner core；The lower end outside of shear pin cylinder is upper with connecting cylinder
It is fixedly installed togather inside end.
Above-mentioned limiting component can include position-limiting drum and spacing ring, outside the inner core of corresponding lower skeleton sealing ring lower position by
Being set with position-limiting drum and spacing ring under up to successively, the upper end of position-limiting drum is against the lower end of lower skeleton sealing ring, under position-limiting drum
End is against the top of spacing ring, is provided with, outside the inner core of corresponding spacing ring position, the outer groove that spacing ring can be made to embed, spacing
The bottom surface projection of ring is C-shaped, is installed with anti-rotation nail outside the inner core of corresponding spacing ring aperture position；In the upper end of lower contact
Side is sleeved on the lower end outside of position-limiting drum, and spacing ring is pressed together on outer groove by the inwall of the lower contact of corresponding spacing ring position
In；The upper inner of lower contact of corresponding outer groove lower position is threaded connection fixed installation with the lower outside of inner core
Together, outside the inner core of corresponding threaded connection place lower position and inside lower contact between be provided with general sealing ring, corresponding in
Being provided with, inside the lower contact of cylinder lower position, the pressure-bearing land that end face is against on inner core bottom surface, the endoporus of pressure-bearing land is formed and builds the pressure
Passage, the passage that builds the pressure includes big footpath section, reducer and the path section being from top to bottom sequentially distributed, and reducer is back taper mesa-shaped
's.
The bottom of above-mentioned urceolus can be sleeved on outside suspension pawl set, and the lower surface of pawl lobe is positioned at the lower section of urceolus, and pawl lobe
Lower surface and the lower surface of urceolus between have the build the pressure upper inner of urceolus of sleeve top position of spacing, correspondence to be provided with installation
Land, the upper outside of the inner side and inner core of installing land is threadably secured and is installed together.
The upper inner of the installation land of above-mentioned corresponding inner core top position can be provided with the land that binds, and the end face of inner core is against
On the bottom surface of the land that binds, correspondence bind land lower position inner core and urceolus between be provided with general sealing ring.
Can circumferentially there is relief hole on the sidewall of above-mentioned urceolus, be provided with on the top of lower contact and can connect pawl set inner chamber
With the flow channels outside lower contact.
The bottom land angle of above-mentioned outer groove can be obtuse angle, and the inner lower angle of cat's paw matches with the bottom land angle of outer groove, pawl
The outside upper end face of tooth is outside inclined downward shape, and the outer bottom surface of cat's paw is outside inclined upward shape.
The two of the technical solution of the utility model are realized by following measures: the above-mentioned hydraulic releasing well of a kind of employing
The blowing favourable turn of mouthful hanger adopts integral component, including special tubing nipple and can be by releasing and the special tubing nipple of building the pressure
Between spacing hydraulic releasing well mouth hanger, the special oil pipe of the cat's paw position of corresponding hydraulic releasing well mouth hanger
Pipe nipple inwall is provided with embedded groove or embedded annular groove, and cat's paw is embedded in embedded groove or embedded annular groove.
Further optimization and/or improvements to above-mentioned utility model technical scheme are presented herein below:
The end face of above-mentioned embedded groove or embedded annular groove all can be in skewed with what corresponding cat's paw's end face matched.
The lower end outside of above-mentioned special tubing nipple can be fixed with tubing coupling.
This utility model reasonable and compact in structure, easy to use, it is by sleeve and the mating reaction of suspension pawl set of building the pressure
Not only can hang smoothly, also can hang by Rapid reversal, stability is high, practical, is particularly suited for straight well or special
The blowing being drilled in the well construction operation favourable turn of well adopts operation, thus can replace using repacking preventer or special in prior art
The construction technology of preventer, thus eliminate the potential safety hazard thus brought, cost for oil production also can be greatly reduced, and improve work effect
Rate.
Accompanying drawing explanation
Accompanying drawing 1 is that the master of this utility model embodiment one regards half section structural representation.
Accompanying drawing 2 is the accompanying drawing 1 partial enlargement structural representation at A.
Accompanying drawing 3 is that the master of this utility model embodiment two regards half section structural representation.
It is inner core that coding in accompanying drawing is respectively as follows: 1, and 2 is shear pin, and 3 for hanging pawl set, and 4 is lower contact, and 5 is urceolus,
6 is the chamber that builds the pressure, and 7 is pressure transmission hole, and 8 is pawl lobe, and 9 is cat's paw, and 10 is the passage that builds the pressure, and 11 is female thread, and 12 is external screw thread, and 13 is interior
Land, 14 is upper skeleton sealing ring, and 15 is lower skeleton sealing ring, and 16 for installing land, and 17 for binding land, and 18 is general sealing
Circle, 19 is connecting pin, and 20 is connecting cylinder, and 21 is outer chuck, and 22 is internal ring chuck, and 23 is retaining ring, and 24 is shear pin cylinder, and 25 are
Righting land, 26 for supporting platform, and 27 is position-limiting drum, and 28 is spacing ring, and 29 is pressure-bearing land, and 30 is relief hole, and 31 was circulation
Road, 32 is special tubing nipple, and 33 is embedded annular groove, and 34 is tubing coupling, and 35 for building the pressure ball, and 36 is retaining annular groove.
Detailed description of the invention
This utility model is not limited by following embodiment, can come with practical situation according to the technical solution of the utility model
Determine specific embodiment.
In this utility model, for the ease of describing, the description of the relative position relation of each parts is all according to description
The Butut mode of accompanying drawing 1 is described, such as: the position relationship of forward and backward, upper and lower, left and right etc. is based on Figure of description
Butut direction determine.
Below in conjunction with embodiment and accompanying drawing, this utility model is further described:
Embodiment one: as shown in accompanying drawing 1,2,3, this hydraulic releasing well mouth hanger includes inner core 1, shear pin 2, builds the pressure
Sleeve, limiting component, suspension pawl set 3, lower contact 4 and urceolus 5, be installed with by shear pin 2 outside the middle part of inner core 1
Build the pressure sleeve, be provided with, between inner side and the outside of inner core 1 of the sleeve that builds the pressure, the chamber 6 that builds the pressure, and correspondence builds the pressure the inner core 1 of position, chamber 6
Sidewall is provided with the pressure transmission hole 7 communicated with the chamber 6 that builds the pressure, and is provided with and can limit the limiting component that the sleeve that builds the pressure is descending outside inner core 1；
The sleeve that builds the pressure outer sheath equipped with can with the sleeve that builds the pressure up suspension pawl set 3, hang pawl set 3 bottom by along circle
Week, the cannelure of distribution was separated to form at least two Piece Claw lobes 8, and the lower end of every Piece Claw lobe 8 is respectively and fixedly provided with cat's paw 9；The bottom of inner core 1
Outside is fixedly installed togather with the upper inner of lower contact 4, and the endoporus of the lower contact 4 of corresponding inner core 1 lower position forms energy
The passage 10 that builds the pressure that the ball 35 that makes to build the pressure sets, be provided with outside the upper end of lower contact 4 can inside spacing cat's paw 9 with preventing claw tooth 9 to
The outer groove of contract, and the bottom of each pawl lobe 8 is all in outwards expanding shape；The upper outside of inner core 1 is installed with can be
Hang pawl overlap 3 up during shrink pawl lobe 8 bottom and the urceolus 5 of the sleeve displacement that builds the pressure can be limited；The upper inner of urceolus 5
Being provided with female thread 11, the lower outside of lower contact 4 is provided with external screw thread 12.According to demand, limiting component can be integrated with inner core 1,
Or be fixedly mounted on outside inner core 1.In use, the present embodiment can be connected in default pipe string and down in well, make
Each cat's paw 9 can be embedded by outside and be suspended in the sleeve of correspondence, when needs will can put into the ball 35 that builds the pressure when carrying on pipe string,
The ball 35 that builds the pressure will come downwards to set in pipe string and build the pressure on passage 10, now can pour into high-pressure fluid, high-pressure spray in pipe string
Body by descending and by the closure of the ball 35 that builds the pressure by pressure transmission hole 7 flow into build the pressure in chamber 6, high-pressure fluid pressure in the chamber 6 that builds the pressure
To be gradually increased until cutting off shear pin 2, the sleeve that then promotion built the pressure is up, and now hanging pawl set 3 will be with the sleeve that builds the pressure
Up, the bottom of pawl lobe 8 by under the effect of urceolus 5 to contract, cat's paw 9 will release the limit of outer groove during up
Position and and sleeve between outer suspension, thus can by the present embodiment institute connecting tube string smoothly on carry；The letter of the present embodiment structure
Single, easy to use, use the present embodiment to carry out hanging operation and not only can hang smoothly, also can hang, surely by Rapid reversal
Qualitative height, practical, the blowing being drilled in the well construction operation favourable turn being particularly suited for straight well or exceptional well adopts operation, thus
Can replace prior art uses repacking preventer or the construction technology of special preventer, thus it is hidden to eliminate the safety thus brought
Suffer from, cost for oil production also can be greatly reduced, and improve work efficiency.
According to actual needs above-mentioned hydraulic releasing well mouth hanger can be made further optimization and/or improvements:
As shown in accompanying drawing 1,2,3, the inside middle portion at the sleeve that builds the pressure is provided with interior land 13, corresponding interior land 13 top position
Inner core 1 and building the pressure being provided with between sleeve and under the effect of high-pressure fluid, shear pin 2 promoting can be cut off by building the pressure suppress
The upper skeleton sealing ring 14 that gland cylinder is up, corresponding in land 13 lower position inner core 1 outside be provided with top and be sleeved on and build the pressure
Limiting component inside lower cartridge, corresponding between land 13 and limiting component the inner core 1 and building the pressure of position set between sleeve
There is lower skeleton sealing ring 15；The inner core 1 of position and the sleeve that builds the pressure between corresponding upper skeleton sealing ring 14 and lower skeleton sealing ring 15
Between formed and build the pressure chamber 6.In use, lower skeleton sealing ring 15 will keep original position not under the active force of limiting component
Become, when the pressure of the high-pressure fluid in the chamber 6 that builds the pressure is gradually increased to when can cut off shear pin 2, and shear pin 2 will be cut moment
Disconnected, upper skeleton sealing ring 14 will promote the sleeve that builds the pressure up under the effect of high-pressure fluid.According to demand, upper skeleton sealing ring 14
It is backbone sealing ring with lower skeleton sealing ring 15.
As shown in accompanying drawing 1,2,3, the sleeve that builds the pressure includes fixing cylinder and connecting cylinder 20, and in the middle part of inner core 1, outside from top to bottom depends on
Secondary being set with fixing cylinder and connecting cylinder 20, fixing cylinder is fixedly installed togather with inner core 1 by shear pin 2, fixes under cylinder
It is fixedly installed togather with inside the upper end of connecting cylinder 20 outside end, is provided with interior land 13, interior land at the middle part of connecting cylinder 20
The inwall of 13 and and the outer wall of inner core 1 between have spacing, the inner core 1 of position bottom corresponding fixing cylinder and between interior land 13 top
And it is provided with upper skeleton sealing ring 14 between connecting cylinder 20, position between corresponding upper skeleton sealing ring 14 and lower skeleton sealing ring 15
The chamber 6 that builds the pressure is formed between inner core 1 and connecting cylinder 20；Outer chuck 21 it is provided with, above corresponding outer chuck 21 outside the middle part of fixing cylinder
It is provided with seat internal ring chuck 22 in outer chuck 21 inside the upper end hanging pawl set 3 of position.It so can be made to process and install
Convenient laborsaving.According to demand, outer chuck 21 can be annular table, it is possible to for being distributed in the boss outside fixing cylinder.
As shown in accompanying drawing 1,2,3, fixing cylinder includes retaining ring 23 and shear pin cylinder 24, and in the middle part of inner core 1, outside from top to bottom depends on
Secondary it is set with retaining ring 23 and shear pin cylinder 24, is provided with inside the upper end of retaining ring 23 and is sleeved on outside inner core 1 and can be in up mistake
The righting land 25 playing the guiding role in journey, the lower outside at retaining ring 23 is provided with outer chuck 21；The top set of shear pin cylinder 24
It is contained in the lower inside of retaining ring 23, outside the shear pin cylinder 24 of corresponding retaining ring 23 lower position, is provided with support platform 26, retaining ring
The bottom surface seat of 23 is on support platform 26 and retaining ring 23 is fixedly installed togather with shear pin cylinder 24, and shear pin cylinder 24 passes through with inner core 1
Shear pin 2 is fixedly installed togather；The lower end outside of shear pin cylinder 24 is fixedly installed togather inside the upper end of connecting cylinder 20.
According to demand, shear pin cylinder 24 can be located at support platform 26 position, and now supporting platform 26 can play the junction of shear pin cylinder 24
Booster action；Both energy so can be made in matched in clearance between internal diameter and inner core 1 external diameter of correspondence position of righting land 25
While the most mutually motion, keep good axiality, thus play guide effect, it is ensured that the smooth releasing of suspension；Support
Platform 26 can be annular table, it is possible to for being distributed in the boss outside fixing cylinder, so can play a supporting role retaining ring 23；Retaining
Ring 23 can be fixedly installed togather by connecting pin 19 with supporting platform 26, it is possible to is threaded connection and is fixedly installed togather,
It coordinates support platform 26 all can strengthen the stability of connection, can be susceptible to external force impact and cause Joint failure；Fixing cylinder can be
Integrally, it is possible to for split type, use that split type to make it process laborsaving with easier for installation；Retaining ring 23 is alternatively C-shaped ring,
Corresponding righting land 25 is also matched C-shaped ring, retaining ring 23 struts the outside being sleeved on inner core 1, stops in correspondence
Move back and outside the inner core 1 of ring 23 top position, be provided with the retaining annular groove 36 that righting land 25 can be made when retaining ring 23 is up to embed,
Wherein retaining ring 23 go upward to righting land 25 be positioned at retaining annular groove 36 time, softened retaining ring 23 by retracted for clearance,
So that righting land 25 snaps in retaining annular groove 36, now formation is suppressed by retaining annular groove 36 to the distance between righting land 25
The displacement that gland cylinder is up.
As shown in accompanying drawing 1,2,3, limiting component includes position-limiting drum 27 and spacing ring 28, below corresponding lower skeleton sealing ring 15
Being set with position-limiting drum 27 and spacing ring 28 outside the inner core 1 of position the most successively, the upper end of position-limiting drum 27 is against lower skeleton
The lower end of sealing ring 15, the lower end of position-limiting drum 27 is against the top of spacing ring 28, sets outside the inner core 1 of corresponding spacing ring 28 position
Having the outer groove that spacing ring 28 can be made to embed, the projection of the bottom surface of spacing ring 28 is C-shaped, corresponding spacing ring 28 aperture position interior
Anti-rotation nail it is installed with outside cylinder 1；The upper end inner sleeve of lower contact 4 is contained in the lower end outside of position-limiting drum 27, corresponding spacing ring
Spacing ring 28 is pressed together in outer groove by the inwall of the lower contact 4 of 28 positions；The lower contact 4 of corresponding outer groove lower position
The lower outside of upper inner and inner core 1 be threaded connection and be fixedly installed togather, corresponding threaded connection place lower position
Inner core 1 outside and lower contact 4 inside between be provided with general sealing ring 18, set inside the lower contact 4 of corresponding inner core 1 lower position
Having the pressure-bearing land 29 that end face is against on inner core 1 bottom surface, the endoporus of pressure-bearing land 29 forms the passage 10 that builds the pressure, and the passage 10 that builds the pressure wraps
Include big footpath section, reducer and the path section being from top to bottom sequentially distributed, and reducer is back taper mesa-shaped.By lower contact 4
Design can make to be formed between inner core 1 and lower contact 4 good sealing, and the passage 10 that makes to build the pressure can guide the ball 35 that builds the pressure to sit smoothly
Envelope.According to demand, limiting component can be integrated, and when it uses integral type, limiting component can be spacing being sleeved on outside inner core 1
Or it is fixed on the tubular outside inner core 1, it is possible to for being fixed on the fixed block outside inner core 1；Limiting component is the most split type, adopts
To make it process laborsaving with easier for installation with split type.
As shown in accompanying drawing 1,2,3, the bottom of urceolus 5 is sleeved on outside suspension pawl set 3, and the lower surface of pawl lobe 8 is positioned at urceolus 5
Lower section, and between the lower surface of the lower surface of pawl lobe 8 and urceolus 5, have spacing, correspondence build the pressure the urceolus 5 of sleeve top position
Upper inner is provided with installation land 16, and the upper outside of the inner side and inner core 1 of installing land 16 is threadably secured and is arranged on one
Rise.The sleeve that in use builds the pressure is by up under the effect of high-pressure fluid, until the end face of the sleeve that builds the pressure is against mounting ring
On the bottom surface of platform 16, each cat's paw 9 now can be made all and to release between sleeve and to hang, it is ensured that the connecting tube string of the present embodiment can be suitable
Carry in profit.According to demand, when not setting up retaining annular groove 36 outside inner core 1, the bottom surface of land 16 is installed by the sleeve that builds the pressure
Up formation is spacing, and the end face of the sleeve that now builds the pressure to the distance installed between the bottom surface of land 16 sleeve that formation built the pressure is up
Displacement.
As shown in accompanying drawing 1,2,3, the upper inner of the installation land 16 of corresponding inner core 1 top position is provided with the land that binds
17, the end face of inner core 1 is against on the bottom surface of the land 17 that binds, correspondence bind land 17 lower position inner core 1 and urceolus 5 between
It is provided with general sealing ring 18.Both so can be made to have good sealing while keeping firm connection.
As shown in accompanying drawing 1,2,3, the sidewall of urceolus 5 circumferentially has relief hole 30, is provided with on the top of lower contact 4
The flow channels 31 outside pawl set inner chamber and lower contact 4 can be connected.So can ensure that suspension pawl set 3 can be in the effect of sleeve that builds the pressure
The most up, prevent stuck phenomenon.
As shown in accompanying drawing 1,2,3, the bottom land angle of outer groove is obtuse angle, and the inner lower angle of cat's paw 9 presss from both sides with the bottom land of outer groove
Angle matches, and the outside upper end face of cat's paw 9 is outside inclined downward shape, and the outer bottom surface of cat's paw 9 is outside inclined upward shape.According to
Demand, with lower contact 4 external diameter as demarcation line, bottom surface projection is positioned at cat's paw 9 local of demarcation line and is referred to as cat's paw 9, and bottom surface is thrown
Cat's paw 9 local that shadow is positioned at outside demarcation line is referred to as outside cat's paw 9.So can be easy to the spacing suspension of cat's paw 9 and release suspension.
Embodiment two: as shown in accompanying drawing 2,3, a kind of blowing favourable turn using above-mentioned hydraulic releasing well mouth hanger adopts one
Change assembly, including special tubing nipple 32 and can be by the spacing hydraulic releasing released between special tubing nipple 32 that builds the pressure
Well mouth hanger, in special tubing nipple 32 inwall of cat's paw 9 position of corresponding hydraulic releasing well mouth hanger is provided with
Embedding groove or embedded annular groove 33, cat's paw 9 is embedded in embedded groove or embedded annular groove 33.Wherein, described special tubing nipple
32 refer to be provided with embedded groove or the tubing nipple of embedded annular groove 33 on the relevant position of inwall；In use, by tailor-made oil
The upper end of pipe pipe nipple 32 links together with production tree, and the lower end of special tubing nipple 32 and general tubing nipple are connected to one
Rise, the top of urceolus 5 linked together with polished rod cylinder, the bottom of lower contact 4 is linked together with sucker rod to be extracted,
Carry out blowing effect when thus can make it in the suspension of hydraulic releasing well mouth hanger with special tubing nipple 32, wait to need to turn
Built the pressure ball 35 contact suspension by throwing when machine is adopted, thus sucker rod to be extracted upwards can be proposed, by connecting relevant device
Carry out machine and adopt effect；Whole process operation is simple, easy to use, can improve the safety coefficient of operation, cost for oil production is greatly reduced,
And improve work efficiency.
Above-mentioned blowing favourable turn can be adopted integral component and makes further optimization and/or improvements according to actual needs:
As shown in accompanying drawing 2,3, the end face of embedded groove or embedded annular groove 33 all in inclining that corresponding cat's paw 9 end face matches
Ramp-like.So can make to be easy to release to hang.
As shown in accompanying drawing 2,3, the lower end outside of special tubing nipple 32 is fixed with tubing coupling 34.It so can be made with logical
Cross the connection between tubing nipple more convenient.
Above technical characteristic constitutes embodiment of the present utility model, and it has stronger adaptability and implementation result, can
Increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (10)
1. a hydraulic releasing well mouth hanger, it is characterised in that include inner core, shear pin, the sleeve that builds the pressure, limiting component, hang
Hang pawl set, lower contact and urceolus, outside the middle part of inner core, be installed with, by shear pin, the sleeve that builds the pressure, the sleeve that builds the pressure interior
Being provided with the chamber that builds the pressure between side and the outside of inner core, the build the pressure sidewall of inner core of position, chamber of correspondence is provided with the biography communicated with the chamber that builds the pressure
Pressure hole, side is provided with and can limit the limiting component that the sleeve that builds the pressure is descending outer tube；At the outer sheath of the sleeve that builds the pressure equipped with can be with suppressing
The suspension pawl set that gland cylinder is the most up, the bottom hanging pawl set is separated to form at least two panels by circumferential cannelure
Pawl lobe, the lower end of every Piece Claw lobe is respectively and fixedly provided with cat's paw；The lower outside of inner core and the upper inner of lower contact are fixedly mounted on one
Rising, the endoporus of the lower contact of corresponding inner core lower position forms the passage that builds the pressure that the ball that can make to build the pressure sets, outside the upper end of lower contact
Portion be provided with can inside spacing cat's paw with preventing claw tooth to the outer groove of contract, and the bottom of each pawl lobe is all in outwards expanding
Shape；The upper outside of inner core is installed with can shrink pawl lobe bottom and can limit the set that builds the pressure during suspension pawl set is up
The urceolus of cylinder displacement；The upper inner of urceolus is provided with female thread, and the lower outside of lower contact is provided with external screw thread.
Hydraulic releasing well mouth hanger the most according to claim 1, it is characterised in that the inside middle portion at the sleeve that builds the pressure sets
Have an interior land, corresponding in the inner core and building the pressure of land top position be provided with between sleeve can be by suppressing under the effect of high-pressure fluid
Pressure is cut off shear pin and can promote the up upper skeleton sealing ring of the sleeve that builds the pressure, outside the inner core of the interior land lower position of correspondence
Be provided with top and be sleeved on the limiting component inside the lower cartridge that builds the pressure, corresponding between land and limiting component the inner core of position with
Build the pressure and between sleeve, be provided with lower skeleton sealing ring；Between corresponding upper skeleton sealing ring and lower skeleton sealing ring the inner core of position with suppress
The chamber that builds the pressure is formed between gland cylinder.
Hydraulic releasing well mouth hanger the most according to claim 2, it is characterised in that the sleeve that builds the pressure includes fixing cylinder and company
Connecing cylinder, in the middle part of inner core, outside is set with fixing cylinder and connecting cylinder the most successively, and fixing cylinder is solid with inner core by shear pin
Dingan County is fitted together, and the lower end outside of fixing cylinder is fixedly installed togather, at the middle part of connecting cylinder inside the upper end of connecting cylinder
It is provided with interior land, between inwall and the outer wall of inner core of interior land, has spacing, bottom corresponding fixing cylinder and between interior land top
Upper skeleton sealing ring, position between corresponding upper skeleton sealing ring and lower skeleton sealing ring it is provided with between inner core and the connecting cylinder of position
Inner core and connecting cylinder between formed and build the pressure chamber；Outer chuck it is provided with outside the middle part of fixing cylinder, corresponding outer chuck top position
Hang and be provided with seat internal ring chuck in outer chuck inside the upper end of pawl set.
Hydraulic releasing well mouth hanger the most according to claim 3, it is characterised in that fixing cylinder includes retaining ring and shear pin
Cylinder, in the middle part of inner core, outside is set with retaining ring and shear pin cylinder the most successively, is provided with in being sleeved on inside the upper end of retaining ring
Outside Tong and the righting land that can play the guiding role during up, the lower outside at retaining ring is provided with outer chuck；Shear pin
The top of cylinder is sleeved on the lower inside of retaining ring, is provided with support platform, retaining outside the shear pin cylinder of corresponding retaining ring lower position
The bottom surface seat of ring is on support platform and retaining ring is fixedly installed togather with shear pin cylinder, and shear pin cylinder and inner core are solid by shear pin
Dingan County is fitted together；It is fixedly installed togather inside the lower end outside of shear pin cylinder and the upper end of connecting cylinder.
Hydraulic releasing well mouth hanger the most according to claim 4, it is characterised in that limiting component includes position-limiting drum and limit
Position ring, is set with position-limiting drum and spacing ring outside the inner core of corresponding lower skeleton sealing ring lower position the most successively, spacing
The upper end of cylinder is against the lower end of lower skeleton sealing ring, and the lower end of position-limiting drum is against the top of spacing ring, corresponding spacing ring position
Being provided with the outer groove that spacing ring can be made to embed outside inner core, the bottom surface projection of spacing ring is C-shaped, corresponding spacing ring aperture position
Inner core outside be installed with anti-rotation nail；The upper end inner sleeve of lower contact is contained in the lower end outside of position-limiting drum, corresponding spacing ring
Spacing ring is pressed together in outer groove by the inwall of the lower contact of position；The top of the lower contact of corresponding outer groove lower position
Inner side and the lower outside of inner core are threaded connection and are fixedly installed togather, outside the inner core of correspondence threaded connection place lower position
It is provided with general sealing ring between inside side and lower contact, is provided with end face inside the lower contact of corresponding inner core lower position and is against inner core
Pressure-bearing land on bottom surface, the endoporus of pressure-bearing land forms the passage that builds the pressure, and it is big that the passage that builds the pressure includes from top to bottom being sequentially distributed
Footpath section, reducer and path section, and reducer is back taper mesa-shaped.
6. according to the hydraulic releasing well mouth hanger described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that the bottom of urceolus
Being sleeved on outside suspension pawl set, the lower surface of pawl lobe is positioned at the lower section of urceolus, and the lower surface of the lower surface of pawl lobe and urceolus it
Between have the build the pressure upper inner of urceolus of sleeve top position of spacing, correspondence to be provided with installation land, the inner side of land is installed with interior
The upper outside of cylinder is threadably secured and is installed together.
Hydraulic releasing well mouth hanger the most according to claim 6, it is characterised in that the installation of corresponding inner core top position
The upper inner of land is provided with the land that binds, and the end face of inner core is against on the bottom surface of the land that binds, and correspondence binds orientation under land
It is provided with general sealing ring between inner core and the urceolus put.
Hydraulic releasing well mouth hanger the most according to claim 7, it is characterised in that on the sidewall of urceolus circumferentially
There is relief hole, be provided with the flow channels that can connect outside pawl set inner chamber and lower contact on the top of lower contact；Or/and, outer groove
Bottom land angle be obtuse angle, the inner lower angle of cat's paw matches with the bottom land angle of outer groove, and the outside upper end face of cat's paw is in outside lower
Side is skewed, and the outer bottom surface of cat's paw is outside inclined upward shape.
9. the blowing favourable turn of the hydraulic releasing well mouth hanger that a kind uses according to any one of claim 1 to 8 adopts integration
Assembly, it is characterised in that include special tubing nipple and the spacing hydraulic pressure that can release between special tubing nipple by building the pressure
Give up well mouth hanger, in the special tubing nipple inwall of the cat's paw position of corresponding hydraulic releasing well mouth hanger is provided with
Embedding groove or embedded annular groove, cat's paw is embedded in embedded groove or embedded annular groove.
Blowing the most according to claim 9 favourable turn adopts integral component, it is characterised in that embedded groove or embedded annular groove
End face is all in skewed with what corresponding cat's paw's end face matched；Or/and, the lower end outside of special tubing nipple is fixed with oil pipe and connects
Hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193262.9U CN205477506U (en) | 2016-03-14 | 2016-03-14 | Hydraulic pressure is given up well head hanger and self -blowing favourable turn and is adopted integrated subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193262.9U CN205477506U (en) | 2016-03-14 | 2016-03-14 | Hydraulic pressure is given up well head hanger and self -blowing favourable turn and is adopted integrated subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477506U true CN205477506U (en) | 2016-08-17 |
Family
ID=56657364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620193262.9U Withdrawn - After Issue CN205477506U (en) | 2016-03-14 | 2016-03-14 | Hydraulic pressure is given up well head hanger and self -blowing favourable turn and is adopted integrated subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205477506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649568A (en) * | 2016-03-14 | 2016-06-08 | 中国石油集团西部钻探工程有限公司 | Hydraulic releasing wellhead hanger and flowing-to-mechanical-production integrated assembly |
-
2016
- 2016-03-14 CN CN201620193262.9U patent/CN205477506U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649568A (en) * | 2016-03-14 | 2016-06-08 | 中国石油集团西部钻探工程有限公司 | Hydraulic releasing wellhead hanger and flowing-to-mechanical-production integrated assembly |
| CN105649568B (en) * | 2016-03-14 | 2018-03-27 | 中国石油集团西部钻探工程有限公司 | Hydraulic releasing well mouth hanger and blowing favourable turn adopt integral component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20180327 |
|
| AV01 | Patent right actively abandoned |