CN107387013A - A kind of polycyclic metallic framework sealing anchor member, subsidy pipe component and erecting device - Google Patents
A kind of polycyclic metallic framework sealing anchor member, subsidy pipe component and erecting device Download PDFInfo
- Publication number
- CN107387013A CN107387013A CN201710581247.0A CN201710581247A CN107387013A CN 107387013 A CN107387013 A CN 107387013A CN 201710581247 A CN201710581247 A CN 201710581247A CN 107387013 A CN107387013 A CN 107387013A
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- Prior art keywords
- expansion
- ring
- polycyclic
- rubber
- metallic framework
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- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 125000003367 polycyclic group Chemical group 0.000 title claims abstract description 45
- 229920001971 elastomer Polymers 0.000 claims abstract description 141
- 239000005060 rubber Substances 0.000 claims abstract description 141
- 239000002184 metal Substances 0.000 claims abstract description 74
- 229910052751 metal Inorganic materials 0.000 claims abstract description 74
- 230000008961 swelling Effects 0.000 claims abstract description 23
- 230000003139 buffering effect Effects 0.000 claims abstract description 14
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000005253 cladding Methods 0.000 abstract description 3
- 206010042674 Swelling Diseases 0.000 description 18
- 239000000463 material Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 9
- 230000032683 aging Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- ZYBMPRWIGNNAKL-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate;sodium Chemical compound [Na].CCCCCCCCCCCCOC(=O)C(C)=C ZYBMPRWIGNNAKL-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical group CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/10—Reconditioning of well casings, e.g. straightening
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of polycyclic metallic framework sealing anchor member, subsidy pipe component and erecting device, polycyclic metallic framework sealing anchor member includes coaxially meeting the sealed expansion area set and connection buffering area, sealed expansion area includes the rubber swelling ring and expansion of metal ring that multiple same between centers are located at tube surfaces, and connection buffering area is pipe structure；When patching tube, its surface coated expanded rubber will not be worn by borehole wall scratch during downhole transmitted, tapered sleeve extruding, which struts polycyclic metallic framework anchor, during subsidy swells onto internal surface of sleeve pipe, form metal and cross win cooperation, expanded rubber plays sealing function with well liquid reaction expansion closed casing with patching tube annular clearance after subsidy, the grappling sealing device being made up of the expanded rubber of polycyclic metallic framework anchor and cladding can seal the sleeve pipe rough because corroding or wearing, subsidy sealing effectiveness is improved, sealing property is better than the anchoring structure sealed with single soft metal work.
Description
Technical field
The present invention relates to the casing patch device used in oil extraction in oil field gas production field, and in particular to a kind of polycyclic metallic framework
Seal anchor member, subsidy pipe component and erecting device.
Background technology
In oil field development production process, it is to ensure that oil field is persistently opened in time, effectively to block and reinforce damaged sleeve pipe
Hair and the important measures of production.It is before to use soft metal to pass through as sealed filling material by the use of patching tube sealing and reinforcing sleeve pipe
Soft metal is filled between sleeve pipe and the annular clearance of patching tube by extruding, plays sealing and grappling effect.But by sleeve pipe
The influence of wall surface roughness, seal and pressure bearing performance is unstable after subsidy is reinforced, because hole condition is different and difference is big, reason is from applying
Work secure context considers to require to control extruding force when sealing grappling within the specific limits, and after softer metals plastic deformation
It is limited in one's ability with being bonded for sleeve surface, can not the tiny male and fomale(M＆F) of sealing sleeve pipe inner surface, it is therefore desirable to improve sealing grappling knot
Structure, adapt to the seal request under the conditions of internal surface of casing is rough.
The content of the invention
For in the prior art the defects of and deficiency, it is an object of the invention to provide a kind of polycyclic metallic framework sealing grappling
Component, subsidy pipe component and erecting device, expanded rubber are enclosed in the space of polycyclic skeleton groove and internal surface of sleeve pipe, and it rises close
Cubical expansivity when envelope acts on is relatively small, while because the expansion multiplying power of expanded rubber is relatively low, rubber components in expanded rubber
Content is high, the stable performance of expanded rubber.
To achieve the above object, the technical scheme taken of the present invention is：
A kind of polycyclic metallic framework sealing anchor member, including the sealed expansion area set and connection buffering area are coaxially met, it is close
Envelope breathing space includes rubber swelling ring and expansion of metal ring that multiple same between centers are located at tube surfaces, and connection buffering area is body knot
Structure.
Specifically, described sealed expansion area is to be coaxially disposed multiple expansion of metal rings, adjacent metal in tube surfaces
Expand interannular vulcanization rubber swelling ring.
Best, described expansion of metal ring and the wide association of rubber swelling ring are 1: 1.5~3, rubber swelling ring
Thickness is less than or equal to the thickness of expansion of metal ring.
Preferably, the number of expansion of metal ring is 4~8, and the width of expansion of metal ring is 2~4 ㎜, expansion of metal ring
Thickness is 3~6 ㎜, and the width of rubber swelling ring is 3~5 ㎜, and the thickness of rubber swelling ring is 3~5 ㎜, the drawing of expanded rubber ring
It is 3~9MPa to stretch intensity, and the volume expansion ratio of expanded rubber ring is 250%~350%, the shore a hardness of expanded rubber ring
For 55~85.
One kind subsidy pipe component, including patching tube and coaxially it is mounted opposite the described polycyclic metal in patching tube two ends
Reinforced seal anchor member.
Further, multiple expanded rubber circles are embedded in the outer surface of described patching tube, between multiple expanded rubber circles
It is 20~50cm away from identical and spacing, the width of expanded rubber circle is 25~35cm, and thickness is 0.5~3.5 ㎜.
A kind of erecting device, described polycyclic metallic framework sealing anchor member or institute are installed on described erecting device
The subsidy pipe component stated.
Specifically, including setting cylinder, upper tapered sleeve, lower tapered sleeve, pull bar string and lower tapered sleeve releasing gadget and pipe component is subsidized, on
Tapered sleeve is deeply subsidized in the polycyclic metallic framework sealing anchor member of pipe component one end, and lower tapered sleeve deeply subsidizes the pipe component other end
Polycyclic metallic framework sealing anchor member in, anchor is sealed to polycyclic metallic framework by the relative motion of upper tapered sleeve and lower tapered sleeve
The support force for determining component radial direction carries out installation subsidy.
Best, described upper tapered sleeve taper is 3~7 °, and the taper of lower tapered sleeve is 3~7 °.
The present invention has the advantages that：
(1) more ring skeleton anchors are manufactured using low intensity metal, solves under conditions of patching tube anchorage force is not reduced, go
The copper ring for playing sealing grappling is fallen, has reduced with material category, reduce cost；Soft metal is replaced using expanded rubber
(copper) ring solves under conditions of release set pull-off force, the requirement on the rough surface of sealing sleeve pipe, to be improved in not increase system
Seal and pressure bearing performance；
(2) take the expanded rubber surface outer diameter of cladding and the external diameter surface of polycyclic metallic framework anchor and patching tube flushes
Method, solve the problems, such as that its surface coated expanded rubber is worn by borehole wall scratch during downhole transmitted when patching tube；
(3) because polycyclic metallic framework anchor also swells after subsidy, expanded rubber is to be enclosed in polycyclic skeleton groove and set
In the space of inside pipe wall, cubical expansivity when it seals is relatively small, at the same because expanded rubber expansion multiplying power compared with
Low, rubber components content is high in expanded rubber, the stable performance of expanded rubber；
(4) take and delay rubber when swollen film can realize control test before downhole transmitted, subsidy in the coating of expanded rubber surface
Glue does not expand, and rubber contacts with well liquid, starts to expand (after slow swollen film failure) after subsidy, makes polycyclic metallic framework anchor and subsidy
The expanded rubber coated on pipe plays one's part to the full, and improves integral sealing effect.
Brief description of the drawings
Fig. 1 is the structural representation of the polycyclic metallic framework sealing anchor member of the present invention；
Fig. 2 is the patching tube element structure schematic diagram of the present invention；
Fig. 3 is the erecting device structural representation of the present invention；
Each label is expressed as in figure：1- sealed expansions area, 1-1 rubber swellings ring, 1-2 expansions of metal ring, 2- connections buffering
Tapered sleeve, 7- patching tubes, 8- trip nonyls extension bar, 9- trips nonyl, 10- trip nonyls under area, 3- soldereds, 4- expanded rubbers circle, the upper tapered sleeves of 5-, 6-
Locking nut, 11- adjustment pipe nipple, 12- adjusting sleeves locking nut, 13- adjusting sleeves, 14- extension springs pull bar, 15- releases set, 16- are drawn
Spring set, 17- elastic tension springs, 18- spring bases, 19- spring bases locking nut, the setting cylinders of 20-；
The present invention is illustrated below in conjunction with Figure of description and embodiment.
Embodiment
It is limited in one's ability with being bonded for sleeve surface after softer metals plastic deformation in order to solve, can not table in sealing sleeve pipe
The defects of tiny male and fomale(M＆F) in face, inventor has carried out the research of kinds of schemes, such as the selection to soft metal species, such as low-carbon
The low-intensity steel such as steel, stainless steel, but the requirement of sealing can not be reached by relying solely on soft metal；For another example, only with rubber material
, although sealing is slightly good, there is the problem of intensity can not meet to require again in material；Therefore, inventor want by metal with
Rubber compounding using come solve the above problems, it is necessary to study for the use of it is also very complicated, for example which kind of metal selected, which kind of rubber selected
How glue, metal and rubber coordinate the uncertain factor that could meet requirement etc. all to occur, therefore inventor has carried out one
The research of series is found that following structure, material and matching relationship can meet the requirement of sealing:
Polycyclic metallic framework seals anchor member, including coaxially meets the sealed expansion area set and connection buffering area, and sealing is swollen
Swollen area includes the rubber swelling ring and expansion of metal ring that multiple same between centers are located at tube surfaces, and connection buffering area is pipe structure；
Best, multiple tracks metallic framework ring (i.e. expansion of metal ring) is processed on metal anchors surface, in metallic framework ring
Between vulcanize expanded rubber ring, form the sealing anchor member being made up of multiple tracks endless metal skeleton and expanded rubber, utilize gold
The secondary supplement of expansion and rubber first of category expands, and solves the problems, such as sealing.
The external diameter of rubber swelling ring be less than or equal to expansion of metal ring external diameter, when patching tube during downhole transmitted its table
The expanded rubber ring that bread covers will not be scratched by the borehole wall to wear.
The wide association of expansion of metal ring and rubber swelling ring is 1: 1.5~3, and the thickness of rubber swelling ring is less than or equal to gold
Belong to the thickness of expansion loop, the purpose so designed is patching tube is obtained optimal anchorage force and sealing effectiveness, and expands rubber
Glue encapsulant will not be scratched by the borehole wall during downhole transmitted and be damaged, the slow swollen film that expanded rubber surface coats after subsidy
After failure, self-expanding occurs after being contacted with well liquid for expanded rubber material, and the rubber filling after expansion is in anchor member and sleeve pipe
In annular clearance between wall, the tiny male and fomale(M＆F) of sealing sleeve pipe inner surface is played, obtains and does encapsulant higher than single soft metal
Effect.
Subsidize pipe component, including patching tube and be coaxially mounted opposite patching tube two ends polycyclic metallic framework sealing anchor
Determine component.Multiple expanded rubber circles are embedded in the outer surface of patching tube, the spacing of multiple expanded rubber circles is identical and spacing is 20
~50cm, the width of expanded rubber circle is 25~35cm, and thickness is 0.5~3.5 ㎜, plays a part of supplement sealing in underground.
Subsidy pipe component also needs to coordinate erecting device to be used when in use, and erecting device can be in the prior art
Can will subsidize pipe component and be transported to underground and will seal that anchor member is wealthy to support the device subsidized, for example, at least including epicone
Set, lower tapered sleeve, pull bar string and lower tapered sleeve releasing gadget and subsidy pipe component, upper tapered sleeve and lower tapered sleeve seal polycyclic metallic framework
The sealed expansion area of anchor member, which struts, to be attached on internal surface of sleeve pipe, along the taper of tapered sleeve, expansion of metal ring and internal surface of sleeve pipe it
Between gap be gradually reduced, last gap-closing, this gap can make expanded rubber in expanded rubber ring and well liquid haptoreaction
Expansion, while gap should be sufficiently small, from overflowing by polycyclic metallic framework and internal surface of sleeve pipe encirclement when expanding expanded rubber
Space, the pressure for ensureing to be formed after expanded rubber expansion do not release, enough extruding forces are formed on internal surface of casing, make expansion
Rubber is bonded completely with sleeve surface reaches sealing effectiveness.The taper that accordingly design obtains epicone set is 3~7 °, under
The taper of tapered sleeve is 3~7 °, and the number of expansion of metal ring is 4~8, and the width of expansion of metal ring is 2~4 ㎜, expansion of metal
The thickness of ring is 3~6 ㎜, and the width of expanded rubber ring is 3~5 ㎜, and the thickness of expanded rubber ring is 3~5 ㎜, expanded rubber
Tensile strength is 3~9MPa, and the volume expansion ratio of expanded rubber is 250%~350%, the hardness (Shao Er A) of expanded rubber
For 55~85.The more ring skeletons cladding expanded rubber anchoring structure obtained using above-mentioned parameter can realize sealing sleeve pipe table after subsidy
The requirement of the trickle not only sliding surface in face, while because the expansion multiplying power of expanded rubber is relatively low, rubber components content is high in expanded rubber,
The stable performance of expanded rubber, the technique effect sealed under the solution cased well that can be optimal.
In this programme, whether on the expanded rubber ring on polycyclic metallic framework sealing anchor member surface, or
On the expanded rubber circle for subsidizing pipe surface, expanded rubber surface is coated with one layer and delays swollen film, and the thickness control of swollen film is delayed by adjusting
The time that well liquid processed contacts with expanded rubber, realize downhole transmitted, subsidy before test when rubber do not expand, after subsidy rubber with
Well liquid contacts, and starts to expand, and the expanded rubber for making to coat on polycyclic metallic framework anchor and patching tube plays one's part to the full, and ensures close
Seal effect.
Subsidy pipe component and erecting device in this programme treat that position is reinforced in subsidy by oil pipe or drill pipe transmission to underground, by
Ground caber control starts subsidy power set work, and the chemical energy that system is carried is converted into mechanical work, promotes subsidy power
In device by piston and piston cylinder and be connected to the setting cylinder of piston cylinder lower end and do relative motion, casing patching is completed in control
The all processes of work.
The expanded rubber vulcanized in the expanded rubber ring of the present invention can be the expanded rubber composition having in the prior art, lead to
Requirement to rubber tensile intensity, expansion multiplying power and hardness, expanded rubber can be met by crossing each component in adjustment rubber constituent
Tensile strength be 3~9MPa, the volume expansion ratio of expanded rubber is 250%~350%, the hardness (Shao Er of expanded rubber
A it is) 55~85, such as：Can be by 100 parts of hydrogenated nitrile-butadiene rubbers, 25~45 parts of high-hydroscopicity resins (Sodium Polyacrylate and propylene
Sour sodium-lauryl methacrylate copolymer resin), 1.5~6.5 parts of PEG, 2~4 parts of age resistor, 15~65 parts of reinforcing agents, 0.1
~1.6 parts of sulphur, 0.1~1.6 part of vulcanization accelerator and 1~5 part of peroxide vulcanizing agent (peroxidized t-butyl perbenzoate) group
Into.
The making material of expansion of metal ring and connection buffering area includes mild steel (10#, 20#, 30#), stainless steel etc., preferably
For 20# mild steel, turn into because it has the strength of materials is moderate, elongation is big, machining property is good, price is honest and clean, the source of goods is sufficient
Mainly use material.
Delay swollen film by being formed after the slow swollen dose of airing coated in expanded rubber surface, coating thickness requires according to underground construction
It is determined that.Slow swollen dose form water barrier by 60~70 parts of styrene-acrylic emulsions, wherein 10~15 parts of smoke agents for shielding of addition, 5~10 parts of fillers,
0.1~0.3 defoamer, 0.1~0.2 part of wetting agent, 0.5~0.8 part of dispersant, 2~5 parts of plasticizer, 0.1~0.2 levelling agent,
0.6~1 part of coalescents, 10~15 parts of controllable coating solutions for delaying the swollen time of water composition (quoted from patent CN104177941A).
Embodiment one：
With reference to Fig. 1, the polycyclic metallic framework anchor mechanism of the present embodiment includes coaxially connecing the sealed expansion area 1 set and connection
Buffering area 2, sealed expansion area 1 are the multiple expansion of metal ring 1-2, adjacent expansion of metal ring 1- being coaxially disposed in tube surfaces
Vulcanize rubber swelling ring 1-1 between 2, connection buffering area 2 is pipe structure, and connection buffering area 2 is specially same with expansion of metal ring 1-2
The body of material；
The tensile strength of expanded rubber is 3~9MPa, and the volume expansion ratio of expanded rubber is 250%~350%, expansion
The hardness (Shao Er A) of rubber is 55~85, and the making material of expansion of metal ring 1-2 and connection buffering area 2 is 20# mild steel；
Expansion of metal ring 1-2 number is 5, and expansion of metal ring 1-2 width is 2.5 ㎜, expansion of metal ring 1-2 thickness
Spend for 4 ㎜, expanded rubber ring 1-1 width is 5 ㎜, and expanded rubber ring 1-1 thickness is 4 ㎜；
The subsidy pipe component of the present embodiment includes patching tube 7 and polycyclic metallic framework sealing anchor member, polycyclic metal bone
Coaxial pair of anchor member of frame sealing sets (sealing welding uses threaded connection and the method coordinated with rubber seal) and subsidized
The two ends of pipe 7；It is 1.5 ㎜ to be machined with depth in the outer surface interval 40cm of patching tube 7, and width is 30cm multiple grooves,
Mold cure expanded rubber circle 4 is used in groove；One layer is coated on the surface of expanded rubber circle 4 and delays swollen film, delays the thickness of swollen film
The time that guard system transmission and test are subsidized according to underground determines.
Erecting device includes setting cylinder 20, upper tapered sleeve 5, lower tapered sleeve 6, pull bar string and lower tapered sleeve releasing gadget and patching tube structure
Part, is provided with tapered sleeve 5 and lower tapered sleeve 6 on the sealing anchoring structure at patching tube both ends, and upper tapered sleeve 5 is coaxially solid with setting cylinder 20
Connect, the blade of tapered sleeve is inserted in the port of anchoring structure；Spring base 18 is fixed the periphery for being linked in extension spring pull bar 14 and is located at
The inner chamber of elastic tension spring 17；The splitted structure that spring base 18 can limit elastic tension spring 17 is radially condensed；Upper tapered sleeve 5 and lower tapered sleeve 6
Taper be 5 °.
Lower tapered sleeve releasing gadget upper end passes through adjustment with adjustment pipe nipple 11, trip nonyl extension bar 8, trip nonyl 9, trip nonyl locking nut 10
The coaxially socket of set 13, is locked by adjusting sleeve locking nut 12；
Lower tapered sleeve releasing gadget and pull bar string pipe are penetrated into subsidy pipe component from lower 6 mouthfuls of tapered sleeve, covered on extension spring pull bar 14
Release set 15 and extension spring set 16 are connect, extension spring set 16 withstands the bottom week of elastic tension spring, and adjustment spring base 18 is on extension spring pull bar 14
Position, extruded by the inner conical surface of the frustum of a cone on spring base 18 and elastic tension spring 17 and strut the splitted structure of extension spring, make suit
The fixation of lower tapered sleeve 6 on the periphery of elastic tension spring 17, after position of the spring base 18 on extension spring pull bar 14 determines, by extension spring
Seat locking nut 19 reversely screws, and locking spring base does not release；
The oral area of upper tapered sleeve 5 is stuck in clamp, tightens trip nonyl locking nut 10, completes patching tube assembling.
The course of work of erecting device includes：
The polycyclic metallic framework that upper tapered sleeve 5, lower tapered sleeve 6 are squeezed into the both ends of patching tube 7 under the promotion of power set seals
In anchor member, the polycyclic metallic framework of the upper and lower end of patching tube 7 is sealed anchor member and swell, forming win with sleeve pipe coordinates,
The crimp on internal surface of sleeve pipe of raised expanding metal ring forms multiple-sealed ring, and subsidy power set work on, when upper
The radial direction that tapered sleeve 5, lower tapered sleeve 6 are acted in polycyclic metallic framework sealing anchor member dilates power and when restraining force balances each other, more
Ring metallic framework sealing anchor member stops swell, now, by trip nonyl connecting rod 8, trip nonyl 9, pull bar string and lower tapered sleeve loss mobile phone
System and the setting cylinder 20 of structure composition and the system of the composition of upper tapered sleeve 5 stop doing moving axially relative, and pulling force all acts on down
In tapered sleeve releasing gadget release set 15 breaking groove on, when pulling force reaches the tensile fracture value of breaking groove, release set 15 from
It is broken at breaking groove, under power set pulling, extension spring pull bar 14 drives spring base 18 to move upwards and be retracted into elastic tension spring 17
Cavity in, release limitation of the conical surface on spring base 18 to the splitted structure radial contraction of elastic tension spring 17, complete lower tapered sleeve 6
Unfreezing, subsidize power set end-of-job.
Upper tapered sleeve 5 and lower tapered sleeve 6 are present under the pulling of sealed tube 20 and lower tapered sleeve releasing gadget respectively, are carried by power set
The push-and-pull action power of confession enters in the polycyclic metallic framework sealing anchor member on patching tube, and axial force is changed into radially
Dilate power polycyclic metallic framework sealing anchor member is strutted and swollen, there is provided seal and pressure bearing and the support force of grappling, complete subsidy
The grappling of pipe, sealing function.
In the time of 24~120 hours after this, the expanded rubber vulcanized in expanded rubber ring 1-1 gradually occurs
Change, expanded rubber contacts with well liquid, reacts, expands, closed casing and patching tube annular clearance and tampon cannula surface it is thick
Matte, single polycyclic metal bone is better than by the effect of expansion of metal ring 1-2 and rubber swelling ring 1-1 the sealing anchor member formed
The sealing effectiveness that frame anchor and soft metal are played, realize grappling and seal the effect of patching tube.
The polycyclic metallic framework obtained using above-mentioned parameter seals anchor member, is mended in 5.5 inches of internal surface of casing
Seal and pressure bearing is tested after patch, pressure-bearing 35MPa no seepage and no leakages after being soaked 24 hours in water.Reach 800% with other expansion multiplying powers
Expanded rubber above is compared, and this structure can be realized is issued to seal and pressure bearing requirement in small expansion multiplying power condition.While because
The expansion multiplying power of expanded rubber is relatively low, and rubber components content is high in expanded rubber, the stable performance of expanded rubber, in 150 DEG C of heat
Air aging case tests the tensile strength of rubber compared with adding 82% before aging after continuous 7 days.
Embodiment 2：
The present embodiment is as different from Example 1：
It is respectively 3 ° that accordingly design, which obtains epicone set 5 and the taper of lower tapered sleeve 6, expansion of metal ring 1-2
Number is 4, and expansion of metal ring 1-2 width is 3 ㎜, and expansion of metal ring 1-2 thickness is 4 ㎜, expanded rubber ring 1-1 width
For 3 ㎜, expanded rubber ring 1-1 thickness is 3 ㎜；
The more ring skeletons obtained using above-mentioned parameter coat expanded rubber anchoring structure, enter in 5.5 inches of internal surface of casing
Seal and pressure bearing is tested after row subsidy, pressure-bearing 35MPa no seepage and no leakages after being soaked 24 hours in water.Simultaneously because of the expansion of expanded rubber
Multiplying power is relatively low, and rubber components content is high in expanded rubber, the stable performance of expanded rubber, in 150 DEG C of hot air aging casees continuous 7
The tensile strength of rubber is tested after it compared with adding 80% before aging.
Embodiment 3：
The present embodiment is as different from Example 1：
It is respectively 7 ° that accordingly design, which obtains epicone set 5 and the taper of lower tapered sleeve 6, expansion of metal ring 1-2
Number is 8, and expansion of metal ring 1-2 width is 4 ㎜, and expansion of metal ring 1-2 thickness is 6 ㎜, expanded rubber ring 1-1 width
For 5 ㎜, expanded rubber ring 1-1 thickness is 5 ㎜；
The more ring skeletons obtained using above-mentioned parameter coat expanded rubber anchoring structure, enter in 5.5 inches of internal surface of casing
Seal and pressure bearing is tested after row subsidy, pressure-bearing 35MPa no seepage and no leakages after being soaked 24 hours in water.Reach with other expansion multiplying powers
More than 800% expanded rubber is compared, and this structure can be realized is issued to seal and pressure bearing requirement in small expansion multiplying power condition,
150 DEG C of hot air aging casees test the tensile strength of rubber compared with adding 80% before aging after continuous 7 days.
In order to obtain better seal practicality result, inventor has also carried out following parameter case study, is all in reality
On the basis of applying example 1：
3 ° of the taper ＜ of upper tapered sleeve 5 and lower tapered sleeve 6, it is inclined that the expanding amount that the extruding in tapered sleeve casts anchor can be directed at using the structure
It is small, cause subsidy loosely, patching tube drags, or the outside dimension of anchor is bigger than normal, because downhole transmitted patching tube is difficult, and can not apply
Work.
7 ° of the taper ＞ of upper tapered sleeve 5 and lower tapered sleeve 6, it can be directed in equally subsidy power tool condition using the structure
Under, the expanding power of tapered sleeve extruding anchor is less than normal, causes subsidy loosely, patching tube drags.
Expansion of metal ring 1-2 number ＜ 4 is relative using structural metal expansion loop 1-2 and expanded rubber ring 1-1 numbers
It is less, internal surface of casing is prolonged cut on axial length sealing will first mate reduce, influence sealing effectiveness after subsidy.
Expansion of metal ring 1-2 number ＞ 8, using the structure increasing with the skeleton number of turns, after subsidy more ring skeletons and
Gap between internal surface of sleeve pipe also gradually increases along the taper of tapered sleeve, and the expanded rubber of low bulk multiplying power is at the big position in gap
Sealing property decline, i.e., can not seal, and waste of materials.
The rubber swelling ring 1-1 ㎜ of width ＜ 3, expanded rubber amount is less, be unfavorable for play expanded rubber prolonged expansion and
The effect of reliable sealing.The more ring skeletons obtained using above-mentioned parameter coat expanded rubber anchoring structure, in 5.5 inches of sleeve pipes
Seal and pressure bearing is tested after surface is subsidized, and pressure-bearing 25MPa no seepage and no leakages after soaking 24 hours in water, continues to boost to
28MPa seepages, afterwards pressure slowly decline, 25MPa can not be restored to.
Rubber swelling ring 1-1 width G T.GT.GT 5 ㎜ are more after subsidy using the structure with the increase of rubber swelling ring width
Gap between ring skeleton and internal surface of sleeve pipe also gradually increases along the taper of tapered sleeve, and the expanded rubber of low bulk multiplying power is in gap
Big position sealing property declines, i.e., can not seal, and waste of materials.
The rubber swelling ring 1-1 ㎜ of thickness ＜ 3, using the structure expanded rubber amount can be made less, be unfavorable for playing expansion
The effect of rubber prolonged expansion and reliable sealing.
The rubber swelling ring 1-1 ㎜ of thickness G T.GT.GT 5, the requirement of internal latus rectum, the structure are unsatisfactory for subsidizing after by subsidy construction
Thickness of pipe wall requirement, can not implement.
Expansion of metal ring 1-2 width is 2~4 ㎜, is the expanding power according to required for anchor mechanism swells in subsidy
It is corresponding with the pulling force that power subsidy instrument provides, consider to control expanding power when subsidizing grappling from construction safety angle
In the reasonable scope, the requirement of constraint is provided to meet outer sleeve to grappling.Therefore under certain expanding power, 2~4 ㎜ are thick
Expansion of metal ring 1-2 match with expanding power, tapered sleeve can strut expansion of metal ring 1-2 under this pulling force effect swollen during subsidy
It is attached on internal surface of sleeve pipe greatly, forming win in internal surface of sleeve pipe coordinates, and completes grappling and sealing function, is now constrained in outer sleeve
In the presence of power, anchor and expansion of metal ring 1-2 stop swell, and the pulling force whole active force that power subsidy instrument provides, which acts on, to be released
Put on 15 most weak breaking grooves of set, release set 15 is broken, elastic tension spring 17 is shunk and lower cone under the pulling of power tool
The separation of set 6, instrument of being subsidized after subsidy separates with patching tube release, if the width of expansion of metal ring is more than 4 ㎜, expansion of metal
Ring 1-2 expanding power also will increase, under conditions of subsidy power tool output pulling force is not changed, anchorage force after subsidy and close
Envelope property will also decline；If instead expansion of metal ring 1-2 width is less than 2 ㎜, then easily causes patching tube 7 and damaged by covering
Make upper tapered sleeve 5 or lower tapered sleeve 6 that relative displacement occur with more ring skeleton anchors because being influenceed by chucking power during point, and more ring skeleton anchors are carried
Before swell, so as to cause patching tube by card, cause construction to fail.
Expansion of metal ring 1-2 thickness is 3~6 ㎜, as the wall thickness principle of anchor.It is related to internal diameter during subsidy, gold
Category expansion loop 1-2 thickness is blocked up, and interior latus rectum is small after subsidy, and subsequent construction equipment can not pass through；Expansion of metal ring 1-2 thickness
Excessively thin, expanding amount during subsidy is inadequate, will also result in paste after subsidy and does not live, and construction is failed.
Claims (9)
1. a kind of polycyclic metallic framework sealing anchor member, it is characterised in that including coaxially meeting the sealed expansion area (1) set and connecting
Connect buffering area (2), sealed expansion area (1) include multiple same between centers be located at tube surfaces rubber swelling ring (1-1) and metal it is swollen
Tensioner ring (1-2), connection buffering area (1) is pipe structure.
2. polycyclic metallic framework sealing anchor member as claimed in claim 1, it is characterised in that described sealed expansion area
(1) it is to be coaxially disposed multiple expansion of metal rings (1-2) in tube surfaces, it is swollen to vulcanize rubber between adjacent expansion of metal ring (1-2)
Tensioner ring (1-1).
3. polycyclic metallic framework sealing anchor member as claimed in claim 1 or 2, it is characterised in that described expansion of metal
The wide association of ring (1-2) and rubber swelling ring (1-1) is 1: 1.5~3, and the thickness of rubber swelling ring (1-1) is less than or equal to gold
Belong to the thickness of expansion loop (1-2).
4. polycyclic metallic framework sealing anchor member as claimed in claim 2, it is characterised in that expansion of metal ring (1-2)
Number is 4~8, and the width of expansion of metal ring (1-2) is 2~4 ㎜, and the thickness of expansion of metal ring (1-2) is 3~6 ㎜, rubber
The width of expansion loop (1-1) is 3~5 ㎜, and the thickness of rubber swelling ring (1-1) is 3~5 ㎜, the stretching of expanded rubber ring (1-1)
Intensity is 3~9MPa, and the volume expansion ratio of expanded rubber ring (1-1) is 250%~350%, Shao of expanded rubber ring (1-1)
Your A hardness is 55~85.
5. one kind subsidy pipe component, it is characterised in that including patching tube (7) and be coaxially mounted opposite in patching tube (7) two ends
Claim 1-4 any claims described in polycyclic metallic framework sealing anchor member.
6. subsidy pipe component as claimed in claim 5, it is characterised in that be embedded in the outer surface of described patching tube (7) more
Individual expanded rubber circle (4), the spacing of multiple expanded rubber circles (4) is identical and spacing is 20~50cm, the width of expanded rubber circle (4)
It is 0.5~3.5 ㎜ to spend for 25~35cm, thickness.
7. a kind of erecting device, it is characterised in that claim 1-4 any claims institute is provided with described erecting device
The subsidy pipe component described in polycyclic metallic framework sealing anchor member or claim 5-6 any claims stated.
8. erecting device as claimed in claim 7, it is characterised in that including setting cylinder (20), upper tapered sleeve (5), lower tapered sleeve
(6), pull bar string and lower tapered sleeve releasing gadget and subsidy pipe component, upper tapered sleeve (5) deeply subsidize the polycyclic metal of pipe component one end
In reinforced seal anchor member, lower tapered sleeve (6) is deeply subsidized in the polycyclic metallic framework sealing anchor member of the pipe component other end,
Drive the relative motion of upper tapered sleeve (5) and lower tapered sleeve (6) close to polycyclic metallic framework by pull bar string and lower tapered sleeve releasing gadget
The support force of envelope anchor member radial direction carries out installation subsidy.
9. erecting device as claimed in claim 8, it is characterised in that described upper tapered sleeve (5) taper is 3~7 °, lower tapered sleeve
(6) taper is 3~7 °.
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| CN201710581247.0A CN107387013B (en) | 2017-07-17 | 2017-07-17 | Multi-ring metal framework sealing anchoring component, patch pipe component and mounting device |
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| CN201710581247.0A CN107387013B (en) | 2017-07-17 | 2017-07-17 | Multi-ring metal framework sealing anchoring component, patch pipe component and mounting device |
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| CN107387013B CN107387013B (en) | 2023-05-26 |
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|---|---|
| CN107387013B (en) | 2023-05-26 |
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