CN108756768A - A kind of assorted fibre microcellulor composite material sucker rod of self-repair function - Google Patents
A kind of assorted fibre microcellulor composite material sucker rod of self-repair function Download PDFInfo
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- CN108756768A CN108756768A CN201810699288.4A CN201810699288A CN108756768A CN 108756768 A CN108756768 A CN 108756768A CN 201810699288 A CN201810699288 A CN 201810699288A CN 108756768 A CN108756768 A CN 108756768A
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229920001568 phenolic resin Polymers 0.000 claims description 8
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 1
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- 229910052799 carbon Inorganic materials 0.000 description 2
- LTYMSROWYAPPGB-UHFFFAOYSA-N diphenyl sulfide Chemical compound C=1C=CC=CC=1SC1=CC=CC=C1 LTYMSROWYAPPGB-UHFFFAOYSA-N 0.000 description 2
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of sucker rod of the assorted fibre microcellulor composite structure with self-repair function, belongs to technical field of oil production engineering.The sucker rod is made of carbon fiber hybrid composite material rigidity sandwich layer, microcellulor reinforcing fiber composite structure reconditioning layer and surface short hybrid fiber enhancing thermosetting resin anti-corrosion layer three parts.Thermoplastic resin capsule body is filled with wherein in microcellulor reinforcing fiber composite structure reconditioning layer; when surface damage or formation destroy sucker rod during military service; thermoplastic resin capsule body rupture in intermediate reconditioning layer; the thermoplastic resin outflow filling micro-crack defect included; the toughening protection for playing surface corrosion-resistant erosion layer and internal rigid layer, to effectively improve sucker rod bulk life time.
Description
Technical field
The invention belongs to technical field of oil production engineering, and in particular to a kind of assorted fibre microcellulor of self-repair function is compound
Material sucker rod.
Background technology
It is right as the continuous development of oil exploitation industry and the requirement for oil recovery efficiency and the utilization rate of oil wells are continuously improved
In efficiently using as the emphasis in petroleum production engineering field for the oil well of complex working condition and geological conditions, and having in face of complicated oil well
Effect exploitation, then need to face various underground complicated geology environment in the sucker rod course of work, the gradual quilt of traditional pumping rod made by steel
The composite material sucker rod of lightweight substitutes at present, and composite material is a kind of heterogeneous material, has in oil pumping process light-weight, comprehensive
Resultant force learns the overall merit of characteristic good, but sucker rod is hit in the abrasion of underground and the rubble of complicated geological environment becomes shadow
The key factor for ringing its ordinary life, primary in order to avoid sucker rod are scrapped, while in order to ensure the long-term suitable of pumping operation
Profit carries out, and researcher considers to wrap up anticorrosion antiwear layer outside rod connector and the body of rod more, while anticorrosion antiwear layer choosing is used
The material of high intensity improves the wearability of sucker rod.
Such as in order to overcome the shortcomings of that existing sucker rod seriously pollutes environment using chromium plating technology, CN201810219U is disclosed
There are tungsten alloy coating in a kind of anticorrosive abrasion-proof sucker rod, the connector of the sucker rod, the body of rod, box cupling outer surface；Tungsten alloy coating
For tungsten based amorphous state alloy；CN202090852U discloses a kind of abrasion-proof sucker rod, and the body of rod, connector, box cupling outer surface are coated with
Ceramic coating.Above-mentioned technical proposal by wrap up and be electroplated, coat etc. forms the outer surface of sucker rod formed anticorrosion antiwear layer,
Tungsten alloy coating and ceramic coating improve the antiseptic property and wear-resisting property of sucker rod entirety, effectively extend sucker rod and use
Service life.However, plating tungsten alloy coating and ceramic coating technology are more complicated, and plating (painting) layer is rigidly crisp, in the process of running together
Sample is susceptible to damage situations.Therefore, in order to ensure that the long-term of pumping operation is smoothed out, a kind of pumping with self-healing properties
The structure design of beam hanger and product development become the emphasis of engineering field research.
Invention content
In view of the above shortcomings of the prior art, inventor is through long-term technology and practical exploration, provide it is a kind of have review one's lessons by oneself
The sucker rod of the assorted fibre microcellulor composite structure of multiple function, the sucker rod is by carbon fiber hybrid composite material rigid core
Layer, microcellulor reinforcing fiber composite structure reconditioning layer and surface short hybrid fiber enhancing thermosetting resin are corrosion-resistant
Layer three parts are constituted.Thermoplastic resin capsule body is filled with wherein in microcellulor reinforcing fiber composite structure reconditioning layer,
When surface damage or formation destroy sucker rod during military service, the thermoplastic resin capsule body in intermediate reconditioning layer is broken
It splits, the thermoplastic resin outflow filling micro-crack defect included plays the toughening protection of surface corrosion-resistant erosion layer and internal rigid layer,
To effectively improve sucker rod bulk life time.
One of the objects of the present invention is to provide a kind of assorted fibre microcellulor composite material sucker rods of self-repair function.
The second object of the present invention is to provide the application of above-mentioned sucker rod.
To achieve the above object, the present invention adopts the following technical scheme that：
The first aspect of the invention provides a kind of assorted fibre microcellulor composite material oil pumping of self-repair function
Bar, the composite material sucker rod is from inside to outside successively by center carbon fiber hybrid composite material rigidity sandwich layer, intermediate microcellulor
Reinforcing fiber composite structure reconditioning layer and surface short hybrid fiber enhance thermosetting resin anti-corrosion layer three parts
It constitutes；
The center carbon fiber hybrid composite material rigidity sandwich layer is using carbon fiber as rigid sandwich layer enhancing structure, with resin
For matrix；
Further, the carbon fiber selects high-strength carbon fiber and/or high modulus carbon fiber to mix composition, wherein high-strength
Spend carbon fiber select T300, T700, T800, T1000 in any one or more, high modulus carbon fiber select M40, M40J,
Any one or more in M55, M60, M60J, high intensity and high modulus carbon fiber to mix ratio according to requirements flexible
Adjustment；
Further, the Farraginous carbon fiber structure of the center carbon fiber hybrid composite material rigidity sandwich layer can be selected unidirectional
Fiber architecture structure, it is club shaped structure, core that control of two-dimensional braided structure or three dimension stereo fabric structure, rigid sandwich layer, which also can be selected,
Flexible design adjusts layer diameter of movement according to requirements；Core structure diameter is preferably 1-10mm；
Further, resin used in the center carbon fiber hybrid composite material rigidity sandwich layer is preferably thermosetting resin,
Including epoxy resin, phenolic resin, unsaturated polyester resin, Lauxite, thermosetting polyurethane resin, organic siliconresin, furan
Furane resins etc. it is therein any one, wherein the resin content of rigid sandwich layer controls within the scope of 30-60%；
Further, the intermediate microcellulor reinforcing fiber composite structure reconditioning layer is to embed micro- bee of capsule body
Nest hybrid fabrics structure is as reconditioning layer enhancing structure, using resin as matrix；
Wherein, in microcellulor hybrid fabrics structure select fabric be high-tenacity fiber, preferably aramid fiber,
Any one or more combination in UHMWPE fibers, pbo fiber, wherein mixing ratio according to requiring flexibly to grasp；
Resin used is preferably thermoplastic resin, including polyurethane, polyethylene, polypropylene, polyether-ketone, polyether-ether-ketone, poly-
Any one in diphenyl sulfide, polyamide, polyimides, resin content control are flexibly grasped within the scope of 30-60%, it is intermediate from
The thickness of repair layer is grasped according to requiring flexible design；
Further, the honeycomb cavity diameter in the microcellulor hybrid fabrics structure is controlled in 0.1-3mm ranges,
For the thickness control of entire microcellulor hybrid fabrics structure within the scope of 1-4mm, honeycomb cavity is uniformly distributed in whole micro- bee
In nest hybrid fabrics structure, in microcellulor inside cavity filling thermoplastic resin's capsule body, wherein capsule body outer membrane uses
High tearability tough film material preparation, the thickness control of capsule body outer membrane is within the scope of 0.1-0.5mm, the high tearability toughness
Membrane material includes any one of polyethylene film, polylactic acid film, polyvinyl chloride film, polypropylene film；In capsule body
Portion filling thermoplastic resin or resin emulsion, including the polyurethane of high tenacity and high fluidity, polyethylene, polypropylene, polyether-ketone,
The resins high viscosity lotion such as polyether-ether-ketone, polyphenylene sulfide, polyamide, polyimides；
Further, the surface short hybrid fiber enhancing thermosetting resin anti-corrosion layer is to increase with short hybrid fiber
Strong structure, using thermosetting resin as matrix；The anti-corrosion layer thickness is 1-5mm；
The short hybrid fiber is that high-strength carbon fiber and/or reinforcing fiber mix；Mix ratio according to requiring
It flexibly grasps, the chopped length of short hybrid fiber controls within the scope of 1-10mm；
Wherein, the high-strength carbon fiber is any one or more in T300, T700, T800, T1000 carbon fiber,
The reinforcing fiber is any one or more in glass fibre, aramid fiber, alumina fibre；
The thermosetting resin selects any one in epoxy resin, phenolic resin, unsaturated polyester resin, finally
Mixed proportion is adjusted flexibly according to requirements；Preferred resin content is controlled in 40-55%.
The second aspect of the invention provides the assorted fibre microcellulor composite material sucker rod of above-mentioned self-repair function
Application in petroleum industry oil recovery.
Beneficial effects of the present invention：
Sucker rod is by carbon fiber hybrid composite material rigidity sandwich layer, microcellulor reinforcing fiber composite structure in the present invention
Reconditioning layer and surface short hybrid fiber enhancing thermosetting resin anti-corrosion layer three parts are constituted.Utilize the carbon fiber at center
Hybrid composite rigidity sandwich layer provides the rigidity of whole rod-like structure；Enhance thermosetting resin using surface short hybrid fiber
Anti-corrosion layer further provides the impact resistance on sucker rod surface and the promotion of erosion-resisting characteristics；Meanwhile in the present invention,
It is specifically designed filled with thermoplastic resin capsule body in intermediate microcellulor reinforcing fiber composite structure reconditioning layer, works as oil pumping
When bar surface damage or formed during military service destroys, the thermoplastic resin capsule body rupture in intermediate reconditioning layer includes
Thermoplastic resin outflow filling micro-crack defect, play surface corrosion-resistant erosion layer and internal rigid layer toughening protection, to have
Effect improves sucker rod bulk life time.
Description of the drawings
Fig. 1 is a kind of assorted fibre microcellulor composite material sucker rod structural schematic diagram of self-repair function, the structure packet
Carbon fiber hybrid composite material rigidity sandwich layer 1, microcellulor reinforcing fiber composite structure reconditioning layer 2 and surface is included to be chopped
Assorted fibre enhances 3 three parts of thermosetting resin anti-corrosion layer and constitutes, and intermediate microcellulor reinforcing fiber composite structure is certainly
It is embedded with thermoplastic resin capsule body 4 in the honeycomb microcavity body of repair layer 2.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As previously mentioned, in order to ensure that the long-term of pumping operation is smoothed out, a kind of oil pumping with self-healing properties is researched and developed
Bar becomes the emphasis of this engineering field research.
In view of this, in a kind of specific implementation mode of the present invention, a kind of micro- bee of the assorted fibre of self-repair function is provided
Nest composite material sucker rod, the composite material sucker rod is from inside to outside successively by center carbon fiber hybrid composite material rigid core
Layer, intermediate microcellulor reinforcing fiber composite structure reconditioning layer and surface short hybrid fiber enhancing thermosetting resin are resistance to
Corrosion layer three parts are constituted；
In the still another embodiment of the present invention, the center carbon fiber hybrid composite material rigidity sandwich layer is with carbon fiber
As rigid sandwich layer enhancing structure, using resin as matrix；
In the still another embodiment of the present invention, the carbon fiber selects high-strength carbon fiber and/or high-modulus carbon fiber
Dimension mixes composition, and wherein high-strength carbon fiber selects any one or more in T300, T700, T800, T1000, high-modulus
Carbon fiber selects any one or more in M40, M40J, M55, M60, M60J, high intensity and high modulus carbon fiber to mix
Ratio is adjusted flexibly according to requirements；
In the still another embodiment of the present invention, the center carbon fiber hybrid composite material rigidity sandwich layer mixes carbon
Unidirectional fibre arrangement can be selected in fibre structure, and control of two-dimensional braided structure or three dimension stereo fabric structure also can be selected；Rigidity
Sandwich layer is club shaped structure, and flexible design adjusts core structure diameter according to requirements；The a diameter of 1-10mm of core structure；
In the still another embodiment of the present invention, resin used in the center carbon fiber hybrid composite material rigidity sandwich layer
Preferably thermosetting resin, including epoxy resin, phenolic resin, unsaturated polyester resin, Lauxite, heat-curable urethane tree
Fat, organic siliconresin, furane resins etc. it is therein any one, wherein the resin content of rigid sandwich layer is controlled in 30-60% models
In enclosing；
In the still another embodiment of the present invention, the intermediate microcellulor reinforcing fiber composite structure reconditioning layer
Using the microcellulor hybrid fabrics structure of embedded capsule body as reconditioning layer enhancing structure, using resin as matrix；
Wherein, in microcellulor hybrid fabrics structure select fabric be high-tenacity fiber, preferably aramid fiber,
Any one or more combination in UHMWPE fibers, pbo fiber, wherein mixing ratio according to requiring flexibly to grasp；
Resin used is preferably thermoplastic resin, including polyurethane, polyethylene, polypropylene, polyether-ketone, polyether-ether-ketone, poly-
Any one in diphenyl sulfide, polyamide, polyimides, resin content control are flexibly grasped within the scope of 30-60%, it is intermediate from
The thickness of repair layer is grasped according to requiring flexible design；
In the still another embodiment of the present invention, the honeycomb cavity diameter in the microcellulor hybrid fabrics structure
Control is in 0.1-3mm ranges, and the thickness control of entire microcellulor hybrid fabrics structure is within the scope of 1-4mm, honeycomb cavity
It is uniformly distributed in whole microcellulor hybrid fabrics structure, in microcellulor inside cavity filling thermoplastic resin's capsule body,
Wherein capsule body outer membrane uses high tearability tough film material preparation, and the thickness control of capsule body outer membrane is in 0.1-0.5mm ranges
Interior, the high tearability toughness membrane material includes in polyethylene film, polylactic acid film, polyvinyl chloride film, polypropylene film
It is any；Filling thermoplastic resin or resin emulsion inside capsule body, including it is the polyurethane of high tenacity and high fluidity, poly-
The resins high viscosity lotion such as ethylene, polypropylene, polyether-ketone, polyether-ether-ketone, polyphenylene sulfide, polyamide, polyimides；
In the still another embodiment of the present invention, the surface short hybrid fiber enhances thermosetting resin anti-corrosion layer
Using short hybrid fiber as enhancing structure, using thermosetting resin as matrix；The anti-corrosion layer thickness is 1-5mm；
The short hybrid fiber is that high-strength carbon fiber and/or reinforcing fiber mix；Mix ratio according to requiring
It flexibly grasps, the chopped length of short hybrid fiber controls within the scope of 1-10mm；
Wherein, the high-strength carbon fiber is any one or more in T300, T700, T800, T1000 carbon fiber,
The reinforcing fiber is any one or more in glass fibre, aramid fiber, alumina fibre；
The thermosetting resin selects any one in epoxy resin, phenolic resin, unsaturated polyester resin, finally
Mixed proportion is adjusted flexibly according to requirements；Preferred resin content is controlled in 40-55%.
In the still another embodiment of the present invention, the assorted fibre microcellulor composite wood of above-mentioned self-repair function is provided
Expect application of the sucker rod in petroleum industry oil recovery.
In conjunction with specific example, the present invention is further illustrated, and following instance is not right merely to the explanation present invention
Its content is defined.If the experiment actual conditions being not specified in embodiment, usually according to normal condition, or it is public according to sale
The recommended condition of department；It is not particularly limited in the present invention, can be commercially available by commercial sources.
Embodiment 1
A kind of sucker rod of the assorted fibre microcellulor composite structure with self-repair function includes：Carbon fiber hybrid
Composite material rigidity sandwich layer, microcellulor reinforcing fiber composite structure reconditioning layer and surface short hybrid fiber enhancing heat
Thermosetting resin anti-corrosion layer three parts are constituted.
It uses and mixes ratio for 1:The T300 high-strengths carbon fiber of 1 a diameter of 5mm and M40 high modulus carbon fibers it is unidirectional
Fabric club shaped structure ultimately forms carbon as rigid sandwich layer enhancing structure, using the epoxy resin of content 60% as matrix dipping
Fiber hybrid composite material rigidity sandwich layer.
It uses and mixes ratio for 2:1 aramid fiber and pbo fiber prepare the microcellulor cavity diameter that thickness is 4mm
The high tenacity micro-honeycomb structure of 0.1mm, the microcellulor inside cavity filled polyurethane resin emulsion of wherein thickness 0.1mm, this is micro-
Honeycomb hybrid fabrics structure polyimide matrix constitutes intermediate reconditioning layer, and wherein resin content control is 60%.
It uses and mixes ratio for 1:The T1000 carbon fiber hybrid glass fibres of 4 chopped length 10mm mix the fibre that is chopped
Reinforcement is tieed up, short hybrid fiber is mixed into epoxy resin, resin content is controlled 50%.It is adopted on intermediate reconditioning layer surface
The mode that final heat cure is coated with injection prepares the surface corrosion-resistant erosion rigid layer that thickness is 3mm.
Embodiment 2
A kind of sucker rod of the assorted fibre microcellulor composite structure with self-repair function includes：Carbon fiber hybrid
Composite material rigidity sandwich layer, microcellulor reinforcing fiber composite structure reconditioning layer and surface short hybrid fiber enhancing heat
Thermosetting resin anti-corrosion layer three parts are constituted.
It uses and mixes ratio for 1:The list of the T1000 high-strengths carbon fiber and M40 high modulus carbon fibers of 6 a diameter of 4mm
To fabric club shaped structure as rigid sandwich layer enhancing structure, impregnated most as matrix using the unsaturated polyester resin of content 40%
End form is at carbon fiber hybrid composite material rigidity sandwich layer.
It uses and mixes ratio for 1:3 UHMWPE fibers and aramid fiber to prepare the microcellulor cavity that thickness is 2mm straight
The high tenacity micro-honeycomb structure of diameter 2mm, the microcellulor inside cavity filled polypropylene resin emulsion of wherein thickness 0.3mm, this is micro-
Honeycomb hybrid fabrics structure and polyether-ether-ketone matrix constitute intermediate reconditioning layer, and wherein resin content control is 38%.
It uses and mixes ratio for 5:The T700 carbon fiber hybrid alumina fibres of 1 chopped length 4mm mix the fibre that is chopped
Reinforcement is tieed up, short hybrid fiber is mixed into unsaturated polyester resin, resin content is controlled 44%.In intermediate reconditioning layer
The mode that surface uses injection to coat final heat cure prepares thickness as the surface corrosion-resistant of 2mm erosion rigid layer.
Embodiment 3
A kind of sucker rod of the assorted fibre microcellulor composite structure with self-repair function includes：Carbon fiber hybrid
Composite material rigidity sandwich layer, microcellulor reinforcing fiber composite structure reconditioning layer and surface short hybrid fiber enhancing heat
Thermosetting resin anti-corrosion layer three parts are constituted.
It uses and mixes ratio for 2.5:The list of the T800 high-strengths carbon fiber and M55 high modulus carbon fibers of 1 a diameter of 2mm
To fabric club shaped structure as rigid sandwich layer enhancing structure, most end form is impregnated as matrix using the organic siliconresin of content 44%
At carbon fiber hybrid composite material rigidity sandwich layer.
It uses and mixes ratio for 7:1 aramid fiber and pbo fiber prepare the microcellulor cavity diameter that thickness is 2.5mm
The microcellulor inside cavity of the high tenacity micro-honeycomb structure of 0.8mm, wherein thickness 0.5mm fills polyphenylene sulfide resin fat liquor, should
Microcellulor hybrid fabrics structure and polyether-ether-ketone matrix constitute intermediate reconditioning layer, and wherein resin content control is 50%.
It uses and mixes ratio for 4:The T300 carbon fiber hybrid aramid fibers of 1 chopped length 6mm mix chopped strand
Short hybrid fiber is mixed into phenolic resin by reinforcement, and resin content is controlled 40%.It is used on intermediate reconditioning layer surface
The mode that injection coats final heat cure prepares the surface corrosion-resistant erosion rigid layer that thickness is 3.5mm.
Embodiment 4
A kind of sucker rod of the assorted fibre microcellulor composite structure with self-repair function includes：Carbon fiber hybrid
Composite material rigidity sandwich layer, microcellulor reinforcing fiber composite structure reconditioning layer and surface short hybrid fiber enhancing heat
Thermosetting resin anti-corrosion layer three parts are constituted.
It uses and mixes ratio for 6:The list of the T1000 high-strengths carbon fiber and M60 high modulus carbon fibers of 1 a diameter of 5mm
To fabric club shaped structure as rigid sandwich layer enhancing structure, ultimately formed as matrix dipping using the epoxy resin of content 39%
Carbon fiber hybrid composite material rigidity sandwich layer.
It uses and mixes ratio for 4:1 UHMWPE fibers and aramid fiber to prepare the microcellulor cavity that thickness is 2mm straight
The microcellulor inside cavity of the high tenacity micro-honeycomb structure of diameter 0.5mm, wherein thickness 0.3mm fills polyamide resin emulsion, should
Microcellulor hybrid fabrics structure and polyurethane matrix constitute intermediate reconditioning layer, and wherein resin content control is 52%.
It uses and mixes ratio for 2:The T700 carbon fiber hybrid alumina fibres of 1 chopped length 6mm mix the fibre that is chopped
Reinforcement is tieed up, short hybrid fiber is mixed into phenolic resin, resin content is controlled 55%.It is adopted on intermediate reconditioning layer surface
The mode that final heat cure is coated with injection prepares the surface corrosion-resistant erosion rigid layer that thickness is 2mm.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of assorted fibre microcellulor composite material sucker rod of self-repair function, which is characterized in that the composite material is taken out
Beam hanger is from inside to outside successively by center carbon fiber hybrid composite material rigidity sandwich layer, intermediate microcellulor reinforcing fiber composite material knot
Structure reconditioning layer and surface short hybrid fiber enhancing thermosetting resin anti-corrosion layer three parts are constituted.
2. a kind of sucker rod as described in claim 1, which is characterized in that the center carbon fiber hybrid composite material rigid core
Layer is using carbon fiber as rigid sandwich layer enhancing structure, using resin as matrix.
3. a kind of sucker rod as claimed in claim 2, which is characterized in that the carbon fiber select high-strength carbon fiber and/or
High modulus carbon fiber mixes composition, wherein any one in high-strength carbon fiber selection T300, T700, T800, T1000 or more
Kind, high modulus carbon fiber selects any one or more in M40, M40J, M55, M60, M60J.
4. a kind of sucker rod as described in claim 1, which is characterized in that the center carbon fiber hybrid composite material rigid core
The Farraginous carbon fiber structure of layer is unidirectional fibre arrangement, control of two-dimensional braided structure or three dimension stereo fabric structure, rigid core
Layer is club shaped structure；Core structure diameter is preferably 1-10mm.
5. a kind of sucker rod as described in claim 1, which is characterized in that the center carbon fiber hybrid composite material rigid core
Resin used in layer is thermosetting resin, including epoxy resin, phenolic resin, unsaturated polyester resin, Lauxite, thermosetting property are poly-
Urethane resin, organic siliconresin, furane resins it is therein any one, wherein the resin content of rigid sandwich layer is controlled in 30-
In 60% range.
6. a kind of sucker rod as described in claim 1, which is characterized in that the intermediate microcellulor reinforcing fiber composite material knot
Structure reconditioning layer is using the microcellulor hybrid fabrics structure of embedded capsule body as reconditioning layer enhancing structure, using resin as base
Body.
7. a kind of sucker rod as described in claim 1 or 6, which is characterized in that selected in microcellulor hybrid fabrics structure
Fabric is high-tenacity fiber, any one or more combination preferably in aramid fiber, UHMWPE fibers, pbo fiber；
Resin used is thermoplastic resin, including polyurethane, polyethylene, polypropylene, polyether-ketone, polyether-ether-ketone, polyphenylene sulfide, poly-
Any one in amide, polyimides；Resin content controls within the scope of 30-60%；
Preferably, the honeycomb cavity diameter in the microcellulor hybrid fabrics structure controls within the scope of 0.1-3mm, entirely
For the thickness control of microcellulor hybrid fabrics structure within the scope of 1-4mm, it is mixed that honeycomb cavity is uniformly distributed in whole microcellulor
In miscellaneous fabric structure, in microcellulor inside cavity filling thermoplastic resin's capsule body, wherein capsule body outer membrane is torn using height
Degree of splitting tough film material preparation, the thickness control of capsule body outer membrane is within the scope of 0.1-0.5mm, the high tearability toughness membrane material
Material includes any one of polyethylene film, polylactic acid film, polyvinyl chloride film, polypropylene film；It is filled out inside capsule body
Fill thermoplastic resin or resin emulsion, including the polyurethane of high tenacity and high fluidity, polyethylene, polypropylene, polyether-ketone, polyethers
Any one of ether ketone, polyphenylene sulfide, polyamide, polyimides.
8. a kind of sucker rod as described in claim 1, which is characterized in that the surface short hybrid fiber enhances thermosetting property tree
Fat anti-corrosion layer is using short hybrid fiber as enhancing structure, using thermosetting resin as matrix；It is preferred that the anti-corrosion layer thickness is
1-5mm。
9. a kind of sucker rod as described in claim 1 or 8, which is characterized in that the short hybrid fiber is high-strength carbon fiber
Dimension and/or reinforcing fiber mix；The chopped length of chopped strand controls within the scope of 1-10mm；
Preferably, the high-strength carbon fiber is any one or more in T300, T700, T800, T1000 carbon fiber, institute
It is any one or more in glass fibre, aramid fiber, alumina fibre to state reinforcing fiber；
Preferably, the thermosetting resin selects any one in epoxy resin, phenolic resin, unsaturated polyester resin, tree
Fat content is controlled in 40-55%.
10. the assorted fibre microcellulor composite material sucker rod of any one of the claim 1-9 self-repair functions is in oil work
Application in industry oil recovery.
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