CN109899006A - A kind of new casing tail pipe metallic elastic deformation suspending apparatus - Google Patents
A kind of new casing tail pipe metallic elastic deformation suspending apparatus Download PDFInfo
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- CN109899006A CN109899006A CN201711289615.0A CN201711289615A CN109899006A CN 109899006 A CN109899006 A CN 109899006A CN 201711289615 A CN201711289615 A CN 201711289615A CN 109899006 A CN109899006 A CN 109899006A
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Abstract
The present invention provides a kind of new casing tail pipe metallic elastics to deform suspending apparatus, comprising: fixed hoop, clamping screw, elastic body resistance-strengthening tablets, brute spring, base tube, shear pin, opening locking strap.Fixed hoop has multiple locking screw keyholes, and clamping screw passes through locking screw keyhole will fixed hoop and the locking of casing tail pipe；Brute spring is for shrinking, supporting elastic body resistance-strengthening tablets；The bottom side of the wall of base tube has opening retaining ring, and the opening locking slot for the locking strap that is open is engaged with the protrusion matching of opening retaining ring；After shear pin is cut, opening locking strap unclamps opening, and brute spring is shunk, and tenses and elastic body resistance-strengthening tablets both ends is supported to move to middle shrinkage, and the elasticity arm of elastic body resistance-strengthening tablets expands outwardly, support, righting, placed in the middle, hanging casing tail pipe.The present invention is locked in casing tail pipe outer wall with casing tail pipe tripping in, and outer diameter is small, enlarged outside diameter after elastic body resistance-strengthening tablets are opened；Casing tail pipe centralizer is improved, uprighting force is stablized, and well cementing of cement quality is improved；Extend the producing well service life, is suitble to be applicable in straight well, high angle hole, horizontal well.
Description
Technical field
The present invention relates to oil/gas well tripping in casing, tripping in tail pipe, well cementing operation and well cementation downhole tool technical fields, especially
It is to be related to a kind of well cementing of cement device.
Background technique
Well cementation is an indispensable important link during being drilled well operations, it includes setting of casing, tail pipe and water filling
Mud.Cementing technology has the characteristics that systematicness, disposable and time are short, and the main purpose of well cementation is in protection and support oil/gas well
Casing, tail pipe, the stratum such as packing oil, gas and water.
Uppermost well cementation is surface pipe well cementation, and past contact will descend intermediate casing cementing, most deep well in drilling process
Bottom wants tripping in tail pipe (including extension hanger etc.) well cementation as the tunnel in the tunnel of highway, coal mine toward contact, drilling well
Also well slough, high pressure and unstable stratum can be encountered in journey.Before oil reservoir does not drill, oil gas water is in balance and packing in the earth formation
State, drill rear oil-gas-water layer and be connected.So in order to exploit oil gas, it is necessary to lower production string cementing, by oil gas water
The tight packing of layer；Meanwhile production string is the channel that oil-gas reservoir is conveyed to well head in production.
Casing stabbing board is the raising well cementing of cement quality critical device after casing lower going-into-well, and effect is by casing naked
The annular space of the eye borehole wall is hanging, support, righting, gets up between two parties, by well cementing of cement to insulate oil-gas-water layer, becomes casing
Oil gas leads to the channel in well.
Therefore, the related matched casing stabbing board equipment of well cementing operation is widely applied.
There are mainly two types of forms for the related matched casing stabbing board of well cementing operation both domestic and external at present:
The first is well cementation elastic centralizer.By spring leaf by casing centering, which cannot be guaranteed
Casing centering between two parties, vacantly gets up, and especially in high angle hole, horizontal well, is influenced by casing gravity, and casing is not placed in the middle,
Cementing quality is bad.
Second of well cementation rigid centralizer.Although the well cementation rigid centralizer ensure that the sleeve portion of pit shaft is placed in the middle, but
It is to accomplish completely between two parties, is still the problem of industry especially in net horizontal section, reaming hole well section, pregnant well section.To cement
Well cementing operation brings difficulty, brings difficulty to sealing quality after well cementing of cement；Difficulty is brought to Inter-zonal packing；Oil supply air water every
From bringing difficulty；It is unfavorable for the permanently effective production of cased well.
The third single fluid cylinder hydraulic casing pipe centering device.For righting bunch tube；It is characterized in that, the hydraulic casing centering
Device include central tube, righting connector, the first ball, pin shaft, the first fixed lid, fluid cylinder, fixing screws, the second ball, second it is fixed cover,
Piston, hydraulic channel, valve, silk plug, righting arm, inclined plate and tension spring；One end of the central tube covers the then righting connector；Institute
The one end for stating the relatively described central tube of righting connector is stretched out；One of first ball is embedded on the outer wall of the righting connector
Point, first ball is fixed on the outer wall of the righting connector, the other part of first ball by the described first fixed lid
It is stretched out by the described first fixed lid；First ball is used for righting described sleeve pipe string, and the other end of the central tube covers then institute
Fluid cylinder is stated, the relatively described fluid cylinder of the central tube stretches out, and the fluid cylinder is connect with the central tube by the fixing screws, institute
A part that second ball is embedded on the outer wall of fluid cylinder is stated, second ball is fixed on the liquid by the described second fixed lid
The other part of the outer wall of cylinder, second ball is stretched out by the described second fixed lid, and second ball is used for righting described sleeve pipe
String, is equipped with the piston between the fluid cylinder and the central tube, the piston can fluid cylinder axial movement relatively, the liquid
It is equipped with hydraulic channel in cylinder, the piston and the central tube are connected to by the hydraulic channel, the silk plug passes through in described
Heart pipe simultaneously blocks the hydraulic channel, be sequentially arranged between the righting connector and the fluid cylinder righting arm and it is described tiltedly
Plate, one end of the righting arm are connect with the righting connector by pin shaft, the other end of the righting arm and the inclined plate
Inclined-plane is mutually ratcheting, and the righting arm is used for righting described sleeve pipe string, and the inclined plate right-angle side is supported on the piston, described oblique
Plate is equipped with the tension spring for propping up the righting arm, the righting arm；Described sleeve pipe string decentralization process and cementing
Cheng Zhong, the righting arm do not work, by first ball and the second ball righting described sleeve pipe string, when well cementation, and the silk
Stifled hit falls, and the hydraulic channel and described sleeve pipe series winding are logical, and described sleeve pipe string builds the pressure, and is acted on by pressure so that the piston
It pushes the inclined plate mobile, forces the righting arm to be opened, thus righting described sleeve pipe string.
4th kind is biliquid cylinder sleeve pipe hydraulic centralizing device.It is characterized by comprising central tube, righting support spring, left hydraulic dresses
It sets and right hydraulic device；The righting support spring propped up outward in the middle part of energy is installed in the middle part of central tube, on the left of righting support spring
Central tube on be fixedly installed with the left hydraulic device that righting support spring left end side can be pushed away to the right；In righting support spring right end
The right hydraulic device that righting support spring right end side can be pushed away to the left is fixedly installed on central tube.
Structure of the invention is reasonable and compact, easy to use；Under the premise of meeting righting casing, effectively reduce cost；More
Horizontal well suitable for Masaru Ibuka uses, and reliability is higher.
Summary of the invention
The purpose of the present invention is to provide a kind of new casing tail pipe metallic elastics to deform suspending apparatus (casing tail pipe righting
Device), without pressure transmission hole, there is no hydraulic piston, without hydraulic cylinder, without sealing element；It does not need to open by underground hydraulic pressure piston
Casing tail pipe centralizer, and can guarantee the overall tightness of casing pipe string or tail pipe pipe string.
The present invention utilizes metallic elastic deformation principle, metal when being squeezed can flexible deformation, when forward extrusion
Flexible deformation direction generation flexible deformation identical as force direction.After casing tail pipe is integrally suppressed, by casing tail pipe metal
Flexible deformation expansion, casing tail pipe internal pressure increase, and after internal pressure is greater than external pressure, forward direction applies pressure direction by interior
Outward, it is transmitted from inner wall to outer wall, squeezing bushing tail pipe metal, the generation identical as forward direction application pressure direction of flexible deformation direction
Flexible deformation, elastic deformation are expansion outward, and casing tail pipe metal outer diameter, internal diameter increase.
Casing tail pipe metal occurs flexible deformation and expands outward, and casing tail pipe metal outer diameter, internal diameter continue to increase, after expansion
The positive pressure that applies be transmitted to base tube, opening locking strap, opening locking strap is strutted, after shearing disconnected shear pin；Release strength
The energy of spring store, brute spring is to middle shrinkage；Elastic body resistance-strengthening tablets both ends are also tightened up to middle shrinkage simultaneously, strut bullet
Property body resistance-strengthening tablets, be suspended casing tail pipe, be righting, placed in the middle, described sleeve pipe tail pipe pipe string is also suspended, righting, placed in the middle, so that water
Mud is uniformly distributed on casing tail pipe periphery, reaches the well cementing of cement quality for improving cement sealing casing tail pipe and open-hole annulus.
Fixed hoop Side wall drill has multiple locking screw keyholes, and clamping screw passes through the locking screw keyhole in side wall, will fix
Hoop is locked together with casing tail pipe；
Be open locking strap, and when being fixed on base tube, casing tail pipe outer wall, both ends open end is tightened up, and squeezes, opening
Closure is collapsed at place, squeezes and metal sleeve tail pipe is promoted to shrink flexible deformation, outer diameter, internal diameter contracting when by annular extrusion
It is small；Then, shear pin, lock opening locking ring and fixed undergauge flexible deformation rear sleeve tail pipe, the casing of this position are inserted into
Tail pipe outer diameter, internal diameter while undergauge flexible deformation.
Be open locking strap, and after casing tail pipe is integrally suppressed, casing tail pipe metallic elastic deformation state is expansion outward, outside
Diameter, internal diameter continue to increase.The positive pressure that applies after expansion is transmitted to opening locking strap, struts opening locking strap, and shearing is disconnected to cut
After cutting pin, the energy of release brute spring storage, brute spring is to middle shrinkage；Elastic body resistance-strengthening tablets both ends are also tightened up simultaneously
To middle shrinkage, elastic body resistance-strengthening tablets are strutted, casing tail pipe is suspended, is righting, placed in the middle, described sleeve pipe tail pipe pipe string is also hanged
It is sky, righting, placed in the middle, so that cement is uniformly distributed on casing tail pipe periphery, reaches and improve cement sealing casing tail pipe and naked eye ring
Empty well cementing of cement quality.
With in casing tail pipe string decentralization process and before cementing, the elasticity body resistance-strengthening tablets collapse the present invention, not to extending out
Exhibition, outer diameter are smaller than tradition and existing centralizer, but can rotate, rotate, so that after tripping in oil well or the natural gas well, naked
Eye well section resistance is also smaller than tradition and existing centralizer.
The shear pin of mouth locking strap is disconnected by shearing, so that brute spring is shunk；Elastic body resistance-strengthening tablets both ends are to base tube
It shrinks central location；Branch is propped up elastic body resistance-strengthening tablets and is extended to the outside, support, hanging, righting, casing tail pipe string placed in the middle.
Casing tail pipe metallic elastic deformation suspending apparatus can farthest guarantee hanging casing tail pipe, righting, placed in the middle, spy
It is not in High angle well section, net horizontal section；The well cementing of cement cleaning of oil/gas well and unobstructed can be effectively ensured.
Further, the brute spring is strength extension spring.
Compared with prior art, a kind of new casing tail pipe metallic elastic deformation suspending apparatus provided by the invention has
Following advantages:
1. plowing tripping in casing tail pipe one, it is fixed on casing tail pipe outer wall；
2. not having sealing element, it is suitble to apply in hp-ht well；
3. during tripping in, casing tail pipe suspending apparatus remains retracted state, minimum outer diameter facilitates casing tail pipe tripping in make
Industry；
4. before well cementing of cement starts, after shearing disconnected shear pin, casing tail pipe metallic elastic deforms suspending apparatus and opens simultaneously
Keep expansion state, largest outside diameter；Vacantly, righting, described sleeve pipe tail pipe string placed in the middle；
5. being lowered into vertical well section, High angle well section, net horizontal section；Without limitation；
6. tripping in quantity, depth of setting are without limitation.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention；
Structural schematic diagram when Fig. 2 is hanging, righting of the invention, is placed in the middle；
Fig. 3 be fixation hoop of the invention, locking screw keyhole, clamping screw, base tube, be open retaining ring schematic diagram；
Fig. 4 is the structural schematic diagram of the elastic body resistance-strengthening tablets of the present invention；
Fig. 5 is the structural schematic diagram that split shed locking strap of the present invention is sheared pin locking；
Fig. 6 is that the shear pin of split shed locking strap of the present invention is cut, struts the structural schematic diagram after opening；
Fig. 7 is the structural schematic diagram of present invention opening locking strap and opening locking grooved profile；
Fig. 8 is the structural schematic diagram of shear pin in the present invention；
Fig. 9 is the structural schematic diagram that the present invention is inserted in that elasticity body resistance-strengthening tablets collapse when in casing tail pipe；
Figure 10 is that the present invention is inserted in when in casing tail pipe elasticity body resistance-strengthening tablets and is opened, by the support of casing tail pipe, hanging, righting,
Structural schematic diagram when placed in the middle；
It after the present invention is lowered into shaft bottom, pressurizes in casing tail pipe, after shear pin is cut in the present invention, be open locking strap
Opening is unclamped, opening retaining ring is separated with opening locking slot, and brute spring is shunk, and is tensed and is supported elastic body resistance-strengthening tablets both ends to centre
Contractile motion, meanwhile, the elasticity arm of elastic body resistance-strengthening tablets expands outwardly, and support, righting, placed in the middle, hanging casing tail pipe, reaching will cover
Pipe support, hanging, righting, purpose placed in the middle.
Appended drawing reference:
1- fixes hoop；2- clamping screw；
3- elasticity body resistance-strengthening tablets；4- brute spring；
5- base tube；6- shear pin；
7- opening locking strap；8- locking screw keyhole；
9- opening retaining ring；10- opening locking slot；
11- casing tail pipe；
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the structural diagram of the present invention；Structural schematic diagram when Fig. 2 is hanging, righting of the invention, is placed in the middle；Fig. 3 is
Fixation hoop of the invention, locking screw keyhole, clamping screw, base tube, the retaining ring that is open schematic diagram；Fig. 4 is present invention elasticity
The structural schematic diagram of body resistance-strengthening tablets；Fig. 5 is the structural schematic diagram that split shed locking strap of the present invention is sheared pin locking；Fig. 6 is this
The shear pin of invention split shed locking strap cut, opened after structural schematic diagram；Fig. 7 is present invention opening locking strap and opens
The structural schematic diagram of mouth locking grooved profile；Fig. 8 is the structural schematic diagram of shear pin in the present invention；Fig. 9 is that the present invention is inserted in
The structural schematic diagram that elasticity body resistance-strengthening tablets collapse when in pipe tail pipe；Figure 10 be the present invention be inserted in when in casing tail pipe elasticity body resistance-strengthening tablets we
Open, by the support of casing tail pipe, hanging, righting, it is placed in the middle when structural schematic diagram；
It after the present invention is lowered into shaft bottom, pressurizes in casing tail pipe, after shear pin is cut in the present invention, be open locking strap
Opening is unclamped, opening retaining ring is separated with opening locking slot, and brute spring is shunk, and is tensed and is supported elastic body resistance-strengthening tablets both ends to centre
Contractile motion, meanwhile, the elasticity arm of elastic body resistance-strengthening tablets expands outwardly, and support, righting, placed in the middle, hanging casing tail pipe, reaching will cover
Pipe tail pipe is hanging, righting purpose.
Fixed 1 side wall of hoop is drilled with multiple locking screw keyholes 8, and clamping screw 2 passes through locking screw keyhole 8, by fixed hoop 1
It is locked with casing tail pipe, fixed hoop 1 is structure as a whole with base tube 5, and 5 lower end of base tube is opening retaining ring 9；
The fixed hoop 1 is locked after bolt 2 passes through locking screw keyhole 8, and fixed hoop 1 is locked with casing tail pipe；
Fixed hoop 1 is structure as a whole with base tube 5, while connecting with 4 upper end of brute spring, and upper end is immovable；Be open locking strap 7 with
The lower end of brute spring 4 connects, and lower end can be moved with opening locking strap 7；
The lower end inner wall of the opening locking strap 7 is opening locking slot 10, is matched with the opening retaining ring 9 of 5 lower end of base tube,
Locking strap 7 be open for after 4 extension elongation of brute spring, opening locking strap 7 is locked in the terminal position of base tube 5.
After the opening locking strap 7 is sheared the locking closure of pin 6, base tube 5 is compressed, base tube 5 is again outside clamp sleeve tail pipe
Wall.
In described sleeve pipe tail pipe after pressurization, the expansion of casing tail pipe, the locking strap 7 that is open is by base tube 5, the expansive force of casing tail pipe
Spreading, the shear pin 6 being open in locking strap 7 are cut, and opening locking strap 7 unclamps opening, and opening retaining ring 9 and opening are locked
Slot 10 separates, and brute spring 4 is shunk, and tenses 3 both ends of elastic body resistance-strengthening tablets and moves to middle shrinkage, meanwhile, the bullet of elastic body resistance-strengthening tablets 3
The arm of force expands outwardly, support, righting, hanging, casing tail pipe placed in the middle, achievees the purpose that the hanging, righting by casing tail pipe.
As shown in Figure 1, a kind of new casing tail pipe metallic elastic provided by the invention deforms suspending apparatus, specifically include that
It include: fixed hoop 1, clamping screw 2, elastic body resistance-strengthening tablets 3, brute spring 4, base tube 5, shear pin 6 and opening locking strap
7；
As shown in Fig. 2, a kind of new casing tail pipe metallic elastic deformation suspending apparatus provided by the invention is hanging, righting,
Structure when placed in the middle, comprising: fixed hoop 1, clamping screw 2, elastic body resistance-strengthening tablets 3, brute spring 4, base tube 5, shear pin 6,
Be open locking strap 7, locking screw keyhole 8, opening retaining ring 9；
As shown in figure 3, a kind of new casing tail pipe metallic elastic provided by the invention deforms suspending apparatus members, packet
Include: fixed hoop 1, clamping screw 2, base tube 5 bottom side of the wall have opening retaining ring 9, locking screw keyhole 8；
As shown in figure 4, a kind of new casing tail pipe metallic elastic provided by the invention deforms suspending apparatus members, packet
Include: elastic body resistance-strengthening tablets 3, by multi-disc strip, annular is uniformly distributed elastic body resistance-strengthening tablets composition；
As shown in figure 5, a kind of new casing tail pipe metallic elastic provided by the invention deforms suspending apparatus members, packet
It includes: shear pin 6；Two open ends are tightened up, the opening locking strap 7 after opening gathering, closure；Be open locking slot 10；
As shown in fig. 6, a kind of new casing tail pipe metallic elastic provided by the invention deforms suspending apparatus members, packet
It includes: shearing the shear pin 6 having no progeny；Shear pin 6, which is sheared to have no progeny, is open that locking strap 7 is softened, be open locking slot 10；
As shown in fig. 7, a kind of new casing tail pipe metallic elastic provided by the invention deforms suspending apparatus members, packet
It includes: the section of opening locking strap 7, the locking slot 10 that is open；
As shown in figure 8, a kind of new casing tail pipe metallic elastic deformation suspending apparatus provided by the invention, members,
It include: shear pin 6；
As shown in figure 9, a kind of new casing tail pipe metallic elastic provided by the invention deforms suspending apparatus, specifically include that
After elastic body resistance-strengthening tablets 3 shrink, collapse, it is fixedly connected on 11 outer wall of casing tail pipe, minimum outer diameter；
As shown in Figure 10, a kind of new casing tail pipe metallic elastic provided by the invention deforms suspending apparatus, specifically includes that
Elastic body resistance-strengthening tablets 3 are fixedly connected on 11 outer wall of casing tail pipe；After both ends are moved to middle shrinkage, elastic body resistance-strengthening tablets are expanded outwardly,
Support, righting, placed in the middle, hanging casing tail pipe, largest outside diameter.
In the present embodiment, when tripping in oil well or the natural gas well of the present invention, elastic body resistance-strengthening tablets 3 are in retracted position, guarantee this
When inventing initial tripping in oil well or the natural gas well, minimum outer diameter is easy to be lowered into shaft bottom.After tripping in oil well or the natural gas well, set
In pipe tail pipe after pressurization, after casing tail pipe metallic elastic deformation expansion, shear pin 6 is cut, and opening locking strap 7 is opened
Mouthful, brute spring 4 is shunk, and is tensed elastic 3 both ends of body resistance-strengthening tablets and is moved to middle shrinkage, and the elasticity arms of elastic body resistance-strengthening tablets 3 is to extending out
, support, righting, placed in the middle, hanging casing tail pipe achieve the purpose that casing tail pipe righting, hanging, placed in the middle.
Compared with prior art, a kind of new casing tail pipe metallic elastic deformation suspending apparatus provided by the invention has
Following advantages:
1. plowing tripping in casing tail pipe one, it is fixed on casing tail pipe outer wall；
2. there is no sealing element；It is suitble to apply in hp-ht well；
3. during tripping in, casing tail pipe suspending apparatus remained retracted, rounding state, and minimum outer diameter facilitates casing tail pipe
Tripping in operation；
4. during tripping in, the elastic body resistance-strengthening tablets that casing tail pipe metallic elastic deforms suspending apparatus keep rotatable, rotation
State facilitates casing tail pipe tripping in operation；
5. before well cementing of cement starts, after shearing disconnected shear pin, casing tail pipe metallic elastic deforms suspending apparatus and opens simultaneously
Keep expansion state, largest outside diameter；Vacantly, righting, described sleeve pipe tail pipe string placed in the middle；
6. vertical well section, High angle well section, net horizontal section are lowered into, without limitation；
7. tripping in quantity, depth of setting are without limitation.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (12)
1. a kind of new casing tail pipe metallic elastic deforms suspending apparatus characterized by comprising fixed hoop, clamping screw,
Elastic body resistance-strengthening tablets, brute spring, base tube, shear pin, opening locking strap.
2. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: fixed hoop Side wall drill has multiple locks
Tight bolt hole, clamping screw pass through the locking screw keyhole in side wall, and fixed hoop, base tube and casing tail pipe are fixed together.
3. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: the elastic body resistance-strengthening tablets both ends to
After middle shrinkage, the elastic body resistance-strengthening tablets of middle section are flared out, and elastic body resistance-strengthening tablets expand outwardly, support, righting, placed in the middle, outstanding
Empty set pipe tail pipe.
4. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: the elastic body resistance-strengthening tablets are by multi-disc
The elastic body resistance-strengthening tablets of strip, annular are uniformly distributed composition.
5. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: the elastic body resistance-strengthening tablets are around set
Pipe tail pipe, base tube outer wall can rotate, rotate.
6. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: the brute spring is shunk, and is tensed
Elastic body resistance-strengthening tablets both ends are moved to middle shrinkage, and elastic body resistance-strengthening tablets expand outwardly, support, righting, placed in the middle, hanging casing tail pipe.
7. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: brute spring one end and fixed hoop
It is fixedly connected；The brute spring other end is fixedly connected with opening locking strap.
8. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: base tube passes through the outer wall of casing tail pipe,
It is mounted on casing tail pipe outer wall；Base tube is that brute spring stretches the support frame opened, and upper end is fixedly connected with fixed hoop；Under
The opening retaining ring for holding projected side wall is engaged with the opening locking slot matching of opening locking strap inner wall, brute spring is made to be stretched
Be fixed to each other position after opening.
9. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: opening locking strap is mounted on casing tail
During pipe outer wall, two open ends are tightened up, opening collapse closure, strength squeeze base tube, casing tail pipe, and promote base tube,
Casing tail pipe metal contracts flexible deformation after by annular extrusion, outer diameter, the internal diameter of casing tail pipe reduce simultaneously；Then, it inserts
Enter shear pin, lock opening locking strap fixes the casing tail pipe shunk, after undergauge flexible deformation.
10. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: opening locking strap is mounted on casing tail
Pipe outer wall simultaneously locks the casing tail pipe after undergauge flexible deformation, then, the tripping in together with the casing tail pipe after undergauge flexible deformation
In well.
11. a kind of suspending apparatus of new casing tail pipe metallic elastic flexible deformation, it is characterised in that: opening locking strap is being opened
In the process, casing tail pipe metallic elastic deformation expansion, outer diameter, internal diameter increase simultaneously, shear disconnected shear pin rear distraction hatch lock
Lock ring.After casing tail pipe internal liquid is integrally suppressed, pressurizeed, casing tail pipe internal pressure is transmitted from inner wall to outer wall, because golden
There are flexible deformations for category, so, casing tail pipe metallic elastic deformation state is the expansion of flexible deformation from inside to outside, casing tail pipe
Outer diameter, internal diameter increase simultaneously.The positive pressure that applies after casing tail pipe metallic elastic deformation expansion is transmitted to base tube, opening locking
Hoop struts opening locking strap after shearing disconnected shear pin；Discharge brute spring；Brute spring is shunk, and tenses elastic body resistance-strengthening tablets two
It holds to middle shrinkage and moves, elastic body resistance-strengthening tablets expand outwardly, support, righting, placed in the middle, hanging casing tail pipe.
12. a kind of new casing tail pipe metallic elastic deforms suspending apparatus, it is characterised in that: by metal material or resin or polymerization
Object material is made.
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| CN201711289615.0A CN109899006A (en) | 2017-12-08 | 2017-12-08 | A kind of new casing tail pipe metallic elastic deformation suspending apparatus |
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| CN201711289615.0A CN109899006A (en) | 2017-12-08 | 2017-12-08 | A kind of new casing tail pipe metallic elastic deformation suspending apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110500045A (en) * | 2019-07-25 | 2019-11-26 | 西安科技大学 | A kind of novel mechanical structures casing stabbing board and righting method |
| CN110965952A (en) * | 2019-12-12 | 2020-04-07 | 中国石油集团渤海钻探工程有限公司 | Telescopic tail pipe seat |
| CN113081199A (en) * | 2021-04-27 | 2021-07-09 | 常州市第一人民医院 | Puncture fixing support |
| CN113090191A (en) * | 2021-04-12 | 2021-07-09 | 中煤科工集团重庆研究院有限公司 | Drilling fixed-point hole protection method, device and construction process for complex zone of coal mine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110500045A (en) * | 2019-07-25 | 2019-11-26 | 西安科技大学 | A kind of novel mechanical structures casing stabbing board and righting method |
| CN110965952A (en) * | 2019-12-12 | 2020-04-07 | 中国石油集团渤海钻探工程有限公司 | Telescopic tail pipe seat |
| CN113090191A (en) * | 2021-04-12 | 2021-07-09 | 中煤科工集团重庆研究院有限公司 | Drilling fixed-point hole protection method, device and construction process for complex zone of coal mine |
| CN113090191B (en) * | 2021-04-12 | 2022-07-22 | 中煤科工集团重庆研究院有限公司 | Drilling fixed-point hole protecting method, device and construction process for complex zone of coal mine |
| CN113081199A (en) * | 2021-04-27 | 2021-07-09 | 常州市第一人民医院 | Puncture fixing support |
| CN113081199B (en) * | 2021-04-27 | 2022-03-01 | 常州市第一人民医院 | Puncture fixing support |
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Application publication date: 20190618 |