CN105957621A - Petroleum and natural gas downhole instrument multifunctional cable and manufacturing method thereof - Google Patents

Petroleum and natural gas downhole instrument multifunctional cable and manufacturing method thereof Download PDF

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Publication number
CN105957621A
CN105957621A CN201610326061.6A CN201610326061A CN105957621A CN 105957621 A CN105957621 A CN 105957621A CN 201610326061 A CN201610326061 A CN 201610326061A CN 105957621 A CN105957621 A CN 105957621A
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CN
China
Prior art keywords
cable
instrument
parts
rubber
core
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CN201610326061.6A
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Chinese (zh)
Inventor
殷大为
李夫光
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YANGZHOU YONGCHENG APPLIANCE CABLE Co Ltd
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YANGZHOU YONGCHENG APPLIANCE CABLE Co Ltd
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Priority to CN201610326061.6A priority Critical patent/CN105957621A/en
Publication of CN105957621A publication Critical patent/CN105957621A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/221—Longitudinally placed metal wires or tapes
    • H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/12—Arrangements for exhibiting specific transmission characteristics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1895—Internal space filling-up means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/24—Devices affording localised protection against mechanical force or pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)

Abstract

The present invention relates to a petroleum and natural gas downhole instrument multifunctional cable and a manufacturing method thereof. The petroleum and natural gas downhole instrument multifunctional cable is characterized in that an electric power cable sheath layer is extruded at the periphery of an electric power cable core, a plurality of control cable insulating wire cores are twisted mutually to form a control cable core, and a copper foil shielding layer is wound at the periphery of the control cable core; every two instrument cable insulating wire cores are twisted to form a twisted wire pair, and a non-absorbent polypropylene netted split fiber core is filled in a gap of the twisted wire pair; the multiple sets of twisted wire pairs are twisted mutually to form an instrument cable core, and the copper foil shielding layer is wound at the periphery of the instrument cable core; the electric power cable core, the control cable core and the instrument cable core are in regular triangle distribution, a steel wire rope is arranged in the center, and the aramid fiber ropes are placed at the peripheral gaps symmetrically, and then a composite cable core is formed by twisting; a rubber cloth belt lapping layer and an extruded rubber lining layer are lapped at the periphery of the composite cable core orderly, a flux-insulation shielding armored layer is wrapped, and a corrosion resistant outer sheath is extruded. The cable is high in tensile strength and good in water repellency, and is corrosion resistant.

Description

Petroleum gas down-hole instrument multi-functional cable and manufacture method thereof
Technical field
The present invention relates to a kind of cable, particularly to a kind of petroleum gas down-hole instrument multi-functional cable；The present invention Further relate to the manufacture method of a kind of petroleum gas down-hole instrument multi-functional cable.
Background technology
Petroleum gas is the base stock of modern industry, drill bit that well system includes being positioned at well bottom and section by section The drilling rod being connected on drill bit, drilling rod is hollow structure, along with the driving of drill bit, drilling rod by
Use drilling fluid as circulation flushing medium in saving the lengthening that spins, well.Also will be through well cementation, survey in drilling process The complicated component of the operation such as well, unfreezing, cementing fluid and spotting fluid, strong to the corrosivity of cable, along with the increase of well depth, down-hole Temperature is more and more higher, and cable still suffers from down-hole twisting the most frequently and certain pulling force, and the rock of the borehole wall is the most right Cable causes damage.
Common cable uses common ethylene propylene rubber insulated and uses common rubber sheath, and tensile strength is low, waterproof Performance is the best, runs into hard thing and is susceptible to damage.Common ethylene propylene rubber insulated resistance is low, and mechanical performance, ageing properties are poor so that The service life of cable is short, fracture easily occurs.The mechanical performance of General Purpose Rubber sheath, ageing properties are poor, not oil resistant, after immersion oil Tensile strength and elongation at break fall are big, the most cracking, it is impossible to adapt to down-hole complex environment.
Summary of the invention
The primary and foremost purpose of the present invention is, overcomes problems of the prior art, it is provided that a kind of tensile strength is high, water repellent Property is good, corrosion-resistant, aging-resistant petroleum gas down-hole instrument multi-functional cable.
For realizing object above, a kind of petroleum gas down-hole instrument multi-functional cable of the present invention, power cable twists Close copper conductor periphery and be coated with power cable insulation layer composition power cable insulation core, many described power cable insulation cores Mutual stranded composition electric-cable core, the periphery of described electric-cable core is coated with power cable restrictive coating；Control cable Twisted copper conductors periphery is coated with control cable insulation and constitutes control cable insulation core, many described control cable insulation lines The mutual stranded composition of core controls cable conductor, and the periphery of described control cable conductor is surrounded with control cable copper foil shielding layer, institute Stating and control the copper-clad surface of cable copper foil shielding layer inwardly and inner side is provided with control cable drainage thread, described control cable drainage thread passes through Wear control cable conductor overall length and be closely packed together with copper-clad surface；Instrument cable twisted copper conductors periphery is coated with instrument cable Insulating barrier constitutes instrument cable insulated wire cores, described instrument cable insulated wire cores the most stranded formation twisted pair wire pair, described pair twist The gap filling of line pair has non-hygroscopic polypropylene mesh split fibre to fill out core, and the described twisted pair wire of many groups is to mutual stranded composition instrument Table cable conductor, the periphery of described instrument cable cable core is surrounded with instrument cable copper foil shielding layer, described instrument cable Copper Foil screen Inwardly and inner side is provided with instrument cable drainage thread to cover the copper-clad surface of layer, and it is complete that described instrument cable drainage thread runs through instrument cable cable core Length is also closely packed together with copper-clad surface；Described electric-cable core, control cable conductor and instrument cable cable core are positive triangle Shape distribution and gap, periphery are arranged with at aramid fiber rope, center gap and are provided with steel cable, described power cable cable Core, control cable conductor, instrument cable cable core and three described aramid fiber ropes around described steel wire rope with concentric circular fashion phase Mutual stranded composition is combined cable core, and the periphery of described compound cable core is surrounded with rubber strap lapping layer, described rubber strap lapping layer Periphery be coated with rubber liner layer, the periphery of described rubber liner layer is coated with every magnetic shield armor, described every magnetic shield The periphery of armor is coated with corrosion-resistant oversheath.
Relative to prior art, the present invention achieves following beneficial effect: electric-cable core, control cable conductor and instrument Table cable conductor is equilateral triangle distribution, improves the roundness of cable, and Stability Analysis of Structures, and the center of cable is provided with steel wire rope, And the periphery of cable core is that equilateral triangle is distributed three aramid fiber ropes, improve the tensile strength of cable core；The periphery of cable core sets Rubber strap lapping layer is had to improve the water repellency of cable；Rubber strap lapping layer periphery every magnetic shield armor, intensity Height, and have magnetism isolating effect, prevent the current field of cable from downhole instrument is caused interference, run into hard thing and be not easy damage；Corrosion resistant Erosion oversheath is adapted to the working environment that down-hole is complicated, and service life is long.
As the improvement of the present invention, described power cable twisted copper conductors uses the tinned copper wire of many a diameter of 0.32mm Regular stranded forming, twisting pitch ratio is 10～12；Described control cable twisting copper conductor be filament diameter be 0.15～ The tinned copper conductor of 0.21mm, forms strand initially with equidirectional disposable synnema, and the most strand opposite directions are twisted Closing, the lay ratio of equidirectional synnema is 7～10 times, and the stranded lay ratio of strand opposite direction is 12～14 times；Described instrument cable Twisted copper conductors be filament diameter be 0.12～0.15mm tinned copper conductor regular stranded form, twisting pitch ratio be 10～ 12；The thickness of described rubber strap lapping layer is 0.25mm, and Duplication is 50% ~ 55%.
As the improvement of the present invention, the described copper alloy silk volume using a diameter of 6.0 ± 0.03 mm every magnetic shield armor Knitting and form, percentage of braiding coverage is not less than 90%, and the raw material components of copper alloy silk and weight content as follows, copper: ferrum: lead: lanthanum: zinc= 88:0.25:0.15:1.8:9.8.Being somebody's turn to do both can be every magnetic every magnetic shield armor, it is to avoid downhole instrument is caused dry by current field Disturbing and loss that eddy current magnetic hysteresis causes, increase current-carrying capacity, mechanical strength is bigger than copper again, and cost is then cheap than copper, and has There is the decay resistance of excellence, and mechanical resistance tensile strength is high, and cable can be protected not to be mechanically damaged.
As the improvement of the present invention, described power cable insulation layer, control cable insulation and instrument cable insulating barrier institute Raw material components and weight content with electro-insulating rubber are as follows: ethylene propylene diene rubber BK50:15 part；Ethylene propylene diene rubber 4640:5 Part；Stearic acid: 0.1～0.3 part；Benzoyl peroxide: 0.4～0.6 part；Zinc oxide: 1.5～2.0 parts；2,4-bis-(dodecane Base sulfidomethyl)-6-methylphenol: 0.6～0.8 part；N, N '-two (betanaphthyl) p-phenylenediamine: 0.2～0.4 part；Titanium dioxide: 1.1 ～1.5 parts；Xiangshan calcinated argil: 9～11 parts；Microcrystalline wax: 1.2～1.5 parts；Vaseline: 1.1～1.5 parts；White carbon: 2～ 3 parts；Pulvis Talci: 14～18 parts；N, N '-penylene BMI: 0.6～1.0 part.Anti-tensile before this electro-insulating rubber is aging Intensity >=7.8 N/mm, the tensile strength maximum rate of change after oven ageing is within ± 11%, and the fracture after oven ageing is stretched Long rate maximum rate of change is within ± 8%；Tensile strength maximum rate of change after air bomb aging is within ± 7%, and air bullet is old Elongation at break maximum rate of change after change is within ± 9%；Minimum insulation resistance >=9700 M Ω km when 20 DEG C；Immersion oil After test, tensile strength reaches more than the 71% of the front tensile strength of immersion oil test, ruptures before after immersion oil, elongation at break reaches immersion oil More than the 74% of percentage elongation.
As the improvement of the present invention, raw material components and the weight content of described rubber liner layer are as follows: ethylene ethyl acetate: 22 parts；Three (2,3-dibromopropyl) fulminuric acid ester: 2～3 parts；Zinc oxide: 0.7～1.0 part；Microcrystalline wax: 1.2～1.4 Part；Zinc stearate: 0.3～0.5 part；White carbon black: 4～6 parts；Pulvis Talci: 12～15 parts；Fume colloidal silica: 1.8～2.5 parts；All Intellectual circle: 1.6～2.0 parts；Xiangshan calcinated argil: 11～15 parts；4,4 '-bis-(bis (alpha, alpha-dimethylbenzyl) base) diphenylamines: 0.6～1.0 Part；N, N '-penylene BMI: 0.6～1.0 part；2-thiol benzothiazole: 0.2～0.5 part.This liner rubber After oven ageing, tensile strength maximum rate of change is within ± 7%, and the elongation at break maximum rate of change after oven ageing is ± 4% Within；Maximum elongation rate≤14% under hot elongation test load, the maximum permanent elongation under hot elongation test load is 0.
As the improvement of the present invention, the raw material group of jacket rubber used by described power cable restrictive coating and corrosion-resistant oversheath Divide and weight content is as follows: CSM H40:20 part；2-thiol benzothiazole: 0.2 ~ 0.5 part；Curing two Benzothiazole: 0.4 ~ 0.6 part；Curing is double (thiocarbonyl group dimethylamine): 0.6 ~ 1.0 part；Magnesium oxide: 1.1 ~ 1.5 parts；Zinc oxide: 1.2 ~ 1.5 parts；N, N '-diphenyl-para-phenylene diamine: 0.3 ~ 0.5 part；Microcrystalline wax: 0.6 ~ 1 part；3-aminopropyl-triethoxy silicon Alkane: 0.6 ~ 1 part；Phthalic acid two (2-ethyl hexyl) ester: 0.6 ~ 1 part；Aluminium hydroxide: 1.4 ~ 2 parts；Phthalic acid two is pungent Ester: 2 ~ 2.5 parts；Fume colloidal silica: 5.0 ~ 6.5 parts；Pulvis Talci: 5 ~ 6.5 parts；Vaseline: 0.5 ~ 1.5 part；Stearic acid: 0.1 ~ 0.3 part.Tensile strength >=17.4 N/mm before this jacket rubber is aging, aging front elongation at break >=390%；Baking oven is old Tensile strength after change is more than the 94% of aging front tensile strength, disconnected before after oven ageing, elongation at break is oven ageing Split more than the 92% of percentage elongation；After immersion oil test, tensile strength reaches more than the 84% of the front tensile strength of immersion oil test, disconnected after immersion oil Split percentage elongation and reach before immersion oil more than the 80% of elongation at break；Maximum elongation rate≤39% under hot elongation test load, heat is prolonged Stretching the maximum permanent elongation under test load is 2%；Without cracking phenomena in ozone resistance test.
It is a further object of the invention to provide the manufacturer of a kind of petroleum gas down-hole instrument multi-functional cable Method, the petroleum gas down-hole instrument multi-functional cable being fabricated by this way, tensile strength is high, and water repellency is good, corrosion resistant Erosion, aging resistance.
For realizing object above, the manufacture method of petroleum gas down-hole of the present invention instrument multi-functional cable, wrap successively Include following steps: be (1) twisted into power cable twisted copper conductors, stranded joint by regular for the tinned copper wire of many a diameter of 0.32mm Away from ratio for 10～12, extrude power cable insulation layer in the periphery of power cable twisted copper conductors and constitute power cable insulation line Core, then by the many mutual stranded composition electric-cable cores of described power cable insulation core, then at described power cable cable The periphery of core extrudes power cable restrictive coating；(2) the tinned copper wire synnema in the same direction of many a diameter of 0.15～0.21mm is become stock Line, the most strand reverse strandings become to control cable twisting copper conductor, and the lay ratio of synnema is 7～10 times in the same direction, and strand is anti- The stranded lay ratio in direction is 12～14 times；Control cable insulation structure is extruded in the periphery of described control cable twisting copper conductor Becoming and control cable insulation core, the many mutual stranded compositions of described control cable insulation core control cable conductor, then are controlling The wrapped control in the periphery cable copper foil shielding layer of cable conductor, the copper-clad surface of described control cable copper foil shielding layer is inwardly and inner side Being provided with control cable drainage thread, described control cable drainage thread runs through control cable conductor overall length and abuts against one with copper-clad surface Rise；(3) by regular for the tinned copper conductor of many a diameter of 0.12～the 0.15mm instrument cable twisted copper conductors that is twisted into, stranded joint Away from ratio for 10～12, extrude instrument cable insulating barrier in the periphery of described instrument cable twisted copper conductors and constitute instrument cable insulation Core, described instrument cable insulated wire cores the most stranded formation twisted pair wire pair, the gap filling of described twisted pair wire pair has non-hygroscopic Property polypropylene mesh split fibre fills out core；The described twisted pair wire of many groups is to mutual stranded composition instrument cable cable core, in described instrument The periphery wrapped instrument cable copper foil shielding layer of cable conductor, the copper-clad surface of described instrument cable copper foil shielding layer is inwardly and inner side Being provided with instrument cable drainage thread, described instrument cable drainage thread runs through instrument cable cable core overall length and abuts against one with copper-clad surface Rise；(4) by described electric-cable core, to control cable conductor and instrument cable cable core be at equilateral triangle distribution and center gap Place steel cable, gap, periphery symmetrically placed aramid fiber rope, the most described electric-cable core, control cable The described aramid fiber rope of core, instrument cable cable core and three is combined around described steel wire rope with the mutual stranded composition of concentric circular fashion Cable core；(5), at the periphery wrapped rubber strap lapping layer of described compound cable core, the thickness of described rubber strap lapping layer is 0.25mm, Duplication is 50% ~ 55%；(6) the periphery at described rubber strap lapping layer extrudes rubber liner layer；(7) described rubber The periphery of glue inside lining layer is coated with every magnetic shield armor；(8) corrosion-resistant outer protect is extruded in the described periphery every magnetic shield armor Set.
Relative to prior art, the present invention achieves following beneficial effect: the petroleum and natural gas well that the method is fabricated by In lower instrument multi-functional cable, electric-cable core, control cable conductor and instrument cable cable core are equilateral triangle distribution, carry The high roundness of cable, and Stability Analysis of Structures, the center of cable is provided with steel wire rope, and the periphery of cable core is, and equilateral triangle is distributed Three aramid fiber ropes, improve the tensile strength of cable core；The periphery of cable core is provided with rubber strap lapping layer and improves cable Water repellency；Rubber strap lapping layer periphery every magnetic shield armor, intensity is high, and has magnetism isolating effect, prevents the electricity of cable Downhole instrument is caused interference by stream magnetic field, runs into hard thing and is not easy damage；Corrosion-resistant oversheath is adapted to the work that down-hole is complicated Making environment, service life is long.
As the improvement of the present invention, described power cable insulation layer, control cable insulation and instrument cable insulating barrier Manufacture method comprises the following steps successively: (1) is by following component and weight content preparation raw material: ethylene propylene diene rubber BK50:15 Part；Ethylene propylene diene rubber 4640:5 part；Stearic acid: 0.1～0.3 part；Benzoyl peroxide: 0.4～0.6 part；Zinc oxide: 1.5 ～2.0 parts；2,4-bis-(dodecylthiomethyl)-6-methylphenol: 0.6～0.8 part；N, N '-two (betanaphthyl) p-phenylenediamine: 0.2～0.4 part；Titanium dioxide: 1.1～1.5 parts；Xiangshan calcinated argil: 9～11 parts；Microcrystalline wax: 1.2～1.5 parts；Vaseline: 1.1～1.5 parts；White carbon: 2～3 parts；Pulvis Talci: 14～18 parts；N, N '-penylene BMI: 0.6～1.0 part； (2) first by ethylene propylene diene rubber BK50 and ethylene propylene diene rubber 4640 banburying mix homogeneously；Then 2,4-bis-(12 it is sequentially added into Alkyl thiomethyl)-6-methylphenol, N, N '-two (betanaphthyl) p-phenylenediamine, microcrystalline wax, zinc oxide, stearic acid, Pulvis Talci, White carbon, titanium dioxide are carried out mixing 16～20 minutes, make each component uniform；Then three layers of 20+40+60 mesh filter screen are used to filter Rubber, filter rubber parks more than 15 hours after rolling over page slice；On banbury, add vaseline after cooling and carry out the most mixing and Benzoyl peroxide, N, a N '-penylene BMI and Xiangshan calcinated argil is added when latter 1 minute；Last in mill Above play 8 triangle bags standby as insulation sheet rubber after three roller roll mills draw thin cutting in blocks；(3) insulation sheet rubber is being squeezed Extruding power cable insulation layer on rubber machine, control cable insulation or instrument cable insulating barrier, during extrusion, each insulated wire cores leads Drawing speed is 16 ~ 18m/min, and body temperature 1 district of rubber extruding machine is 65 ± 5 DEG C, and 2nd district are 70 ± 5 DEG C, the head temperature of rubber extruding machine It it is 82 ± 5 DEG C.Aging front tensile strength >=7.8 N/mm of electro-insulating rubber that the method is fabricated by, resisting after oven ageing Maximum intensity rate of change is within ± 11%, and the elongation at break maximum rate of change after oven ageing is within ± 8%；Air bullet Tensile strength maximum rate of change after aging is within ± 7%, and the elongation at break maximum rate of change after air bomb aging is ± 9% Within；Minimum insulation resistance >=9700 M Ω km when 20 DEG C；Anti-tensile before tensile strength reaches immersion oil test after immersion oil test More than the 71% of intensity, before after immersion oil, elongation at break reaches immersion oil more than the 74% of elongation at break.
As the improvement of the present invention, the manufacture method of described rubber liner layer comprises the following steps successively: (1) is by following group Divide and weight content prepares raw material, ethylene ethyl acetate: 22 parts；Three (2,3-dibromopropyl) fulminuric acid ester: 2～3 parts；Oxygen Change zinc: 0.7～1.0 part；Microcrystalline wax: 1.2～1.4 parts；Zinc stearate: 0.3～0.5 part；White carbon black: 4～6 parts；Pulvis Talci: 12 ～15 parts；Fume colloidal silica: 1.8～2.5 parts；Vaseline: 1.6～2.0 parts；Xiangshan calcinated argil: 11～15 parts；4,4’- Double (bis (alpha, alpha-dimethylbenzyl) base) diphenylamines: 0.6～1.0 part；N, N '-penylene BMI: 0.6～1.0 part；2-mercaptan Base benzothiazole: 0.2～0.5 part；(2) first that ethylene ethyl acetate is uniform at mixer mixing, it is subsequently adding three (2,3-dibromos Propyl group) fulminuric acid ester, zinc oxide, microcrystalline wax, zinc stearate, white carbon black, Pulvis Talci, fume colloidal silica, vaseline exists Banbury carries out mixing 8～10 minutes so that batch mixing stirs；Be subsequently added into calcinated argil and 4,4 pairs (--diformazan Base benzyl) diphenylamines continue mixing uniformly, be subsequently adding N, a N '-penylene BMI and 2-thiol benzothiazole again Blanking in mixing 50～60 seconds；Being moved to by descended compound after turning over 3 triangle bags in two roller mills again, cutting slice is standby squeezes Bag.After the liner rubber oven ageing that the method is fabricated by, tensile strength maximum rate of change is within ± 7%, after oven ageing Elongation at break maximum rate of change within ± 4%；Maximum elongation rate≤14% under hot elongation test load, hot elongation test Maximum permanent elongation under load is 0.
As the improvement of the present invention, the manufacture method of described power cable restrictive coating and corrosion-resistant oversheath include successively with Lower step: (1) is by following component and weight content preparation raw material: CSM H40:20 part；2-mercapto benzene a pair of horses going side by side Thiazole: 0.2 ~ 0.5 part；Dibenzothiazyl disulfide: 0.4 ~ 0.6 part；Curing is double (thiocarbonyl group dimethylamine): 0.6 ~ 1.0 part；Oxygen Change magnesium: 1.1 ~ 1.5 parts；Zinc oxide: 1.2 ~ 1.5 parts；N, N '-diphenyl-para-phenylene diamine: 0.3 ~ 0.5 part；Microcrystalline wax: 0.6 ~ 1 Part；3-aminopropyl triethoxysilane: 0.6 ~ 1 part；Phthalic acid two (2-ethyl hexyl) ester: 0.6 ~ 1 part；Aluminium hydroxide: 1.4 ~ 2 parts；Dioctyl phthalate: 2 ~ 2.5 parts；Fume colloidal silica: 5.0 ~ 6.5 parts；Pulvis Talci: 5 ~ 6.5 parts；Vaseline: 0.5 ~ 1.5 part；Stearic acid: 0.1 ~ 0.3 part；(2) first by CSM H40 in banbury mixing 3 ~ 5 minutes；So Rear addition magnesium oxide, zinc oxide, microcrystalline wax, 3-aminopropyl triethoxysilane, phthalic acid two (2-ethyl hexyl) ester, hydrogen Aluminium oxide, Pulvis Talci, dioctyl phthalate, fume colloidal silica, vaseline and stearic acid are in banbury mixing 10 ~ 12 Minute so that batch mixing stirs；Then the double-layer leaching net using 40 mesh+60 mesh carries out filtering rubber 3 times, then by 20 mesh+40 purposes Double-layer leaching net filter rubber 4 times；Filter rubber adds curing double (thiocarbonyl group dimethylamine), diphenyl disulfide thiophene after completing in epoxy glue Azoles, N, N '-diphenyl-para-phenylene diamine and 2-thiol benzothiazole, more mixing 50 ~ 60 seconds；Then compound is moved to mill On carry out rolling sheet heat radiation, mill is rolled the temperature of sheet and is controlled at 110 ~ 120 DEG C, and rolling the sheet time is 10 ~ 12 minutes, and in mill On turn over six triangle bags, turn over cutting slice after uniformly and extrude as jacket rubber is standby；(3) by described jacket rubber at rubber extruding machine On extrude power cable restrictive coating or corrosion-resistant oversheath, the fuselage one district temperature of rubber extruding machine is 75 ± 3 DEG C, and two district's temperature are 80 ± 3 DEG C, the head temperature of rubber extruding machine is 65 ± 5 DEG C, and the screw rod of rubber extruding machine uses air-cooled+water-cooling pattern dual-cooled, after extrusion The pressure using 0.6 ~ 0.8MPa vulcanizes, and going out linear velocity is 20 ~ 25m/min.The jacket rubber that the method is fabricated by is old Tensile strength >=17.4 N/mm before change, aging front elongation at break >=390%；Tensile strength after oven ageing is old More than 94% of tensile strength before change, before after oven ageing, elongation at break is oven ageing more than the 92% of elongation at break； After immersion oil test, tensile strength reaches more than the 84% of the front tensile strength of immersion oil test, before after immersion oil, elongation at break reaches immersion oil More than the 80% of elongation at break；Maximum elongation rate≤39% under hot elongation test load, the maximum under hot elongation test load Permanent elongation is 2%；Without cracking phenomena in ozone resistance test.
Accompanying drawing explanation
Fig. 1 is the structural representation of petroleum gas down-hole of the present invention instrument multi-functional cable.
In figure: 1. steel wire rope；2a. power cable twisted copper conductors；2b. power cable insulation layer；2c. power cable sheath Layer；3a. controls cable twisting copper conductor；3b. controls cable insulation；3c. controls cable copper foil shielding layer；3d. controls cable Drainage thread；4a. instrument cable twisted copper conductors；4b. instrument cable insulating barrier；4c. non-hygroscopic polypropylene mesh split fibre Fill out core；4d. instrument cable copper foil shielding layer；4e. instrument cable drainage thread；5. aramid fiber rope；6. rubber strap lapping layer；7. Rubber liner layer；8. every magnetic shield armor；The most corrosion-resistant oversheath.
Detailed description of the invention
As it is shown in figure 1, the petroleum gas down-hole instrument multi-functional cable of the present invention includes power cable, controls cable And instrument cable.Power cable twisted copper conductors 2a periphery is coated with power cable insulation layer 2b and constitutes power cable insulation line Core, the many mutual stranded composition electric-cable cores of power cable insulation core, the periphery of electric-cable core is coated with electric power The coat layer of power cable 2c.
Control cable twisting copper conductor 3a periphery and be coated with control cable insulation 3b composition control cable insulation core, many Root controls the mutual stranded composition of cable insulation core and controls cable conductor, and the periphery controlling cable conductor is surrounded with control cable copper Paper tinsel screen layer 3c, the copper-clad surface of control cable copper foil shielding layer 3c is inwardly and inner side is provided with control cable drainage thread 3d, controls electricity Cable drainage thread 3d runs through control cable conductor overall length and is closely packed together with copper-clad surface.
Instrument cable twisted copper conductors 4a periphery is coated with instrument cable insulating barrier 4b and constitutes instrument cable insulated wire cores, instrument Table cable insulation core the most stranded formation twisted pair wire pair, the gap filling of twisted pair wire pair has non-hygroscopic polypropylene mesh to tear Core 4c filled out by fiber, and many group twisted pair wires are to mutual stranded composition instrument cable cable core, and the periphery of instrument cable cable core is surrounded with instrument Cable copper foil shielding layer 4d, the copper-clad surface of instrument cable copper foil shielding layer 4d is inwardly and inner side is provided with instrument cable drainage thread 4e, Instrument cable drainage thread 4e runs through instrument cable cable core overall length and is closely packed together with copper-clad surface.
Electric-cable core, control cable conductor and instrument cable cable core are equilateral triangle distribution and gap, periphery symmetry It is provided with at aramid fiber rope 5, center gap and is provided with steel cable 1, electric-cable core, control cable conductor, instrument cable Cable core and three aramid fiber ropes 5 are combined cable core around steel wire rope 1 with the mutual stranded composition of concentric circular fashion, outside compound cable core Being surrounded with rubber strap lapping layer 6 week, the periphery of rubber strap lapping layer 6 is coated with rubber liner layer 7, rubber liner layer 7 Periphery is coated with every magnetic shield armor 8, is coated with corrosion-resistant oversheath 9 every the periphery of magnetic shield armor 8.
The copper alloy silk braiding using a diameter of 6.0 ± 0.03 mm every magnetic shield armor 8 forms, and percentage of braiding coverage is not Less than 90%, and the raw material components of copper alloy silk and weight content as follows, copper: ferrum: lead: lanthanum: zinc=88:0.25:0.15:1.8: 9.8。
Embodiment one
The manufacture method of petroleum gas down-hole instrument multi-functional cable, comprises the following steps successively: (1) a diameter of by many Regular power cable twisted copper conductors 2a that is twisted into of the tinned copper wire of 0.32mm, twisting pitch ratio is 10, stranded at power cable The periphery of copper conductor 2a extrudes power cable insulation layer 2b and constitutes power cable insulation core, then by many power cable insulations The mutual stranded composition electric-cable core of core, then power cable restrictive coating 2c is extruded in the periphery of electric-cable core；(2) will The tinned copper wire of many a diameter of 0.15mm synnema in the same direction becomes strand, and the most strand reverse strandings become to control cable twisting copper Conductor 3a, the lay ratio of synnema is 7 times in the same direction, and the stranded lay ratio of strand opposite direction is 12 times；Lead controlling cable twisting copper The periphery of body 3a extrudes control cable insulation 3b and constitutes control cable insulation core, and many control cable insulation cores mutually twist Close to constitute and control cable conductor, then controlling the wrapped control in the periphery cable copper foil shielding layer 3c of cable conductor, control cable copper The copper-clad surface of paper tinsel screen layer 3c is inwardly and inner side is provided with control cable drainage thread 3d, controls cable drainage thread 3d and runs through control cable Cable core overall length is also closely packed together with copper-clad surface；(3) it is twisted into instrument by regular for the tinned copper conductor of many a diameter of 0.12mm Cable twisting copper conductor 4a, twisting pitch ratio is 10, extrudes instrument cable insulation in the periphery of instrument cable twisted copper conductors 4a Layer 4b constitutes instrument cable insulated wire cores, instrument cable insulated wire cores the most stranded formation twisted pair wire pair, the gap of twisted pair wire pair It is filled with non-hygroscopic polypropylene mesh split fibre and fills out core 4c；How group twisted pair wires are to mutual stranded composition instrument cable cable core, At the periphery of instrument cable cable core wrapped instrument cable copper foil shielding layer 4d, the copper-clad surface of instrument cable copper foil shielding layer 4d is inside And inner side is provided with instrument cable drainage thread 4e, instrument cable drainage thread 4e and runs through instrument cable cable core overall length tight with copper-clad surface It is close together；(4) by electric-cable core, to control cable conductor and instrument cable cable core be equilateral triangle distribution and center gap Steel cable 1, gap, periphery symmetrically placed aramid fiber rope 5, then electric-cable core, control cable are placed by place Core, instrument cable cable core and three aramid fiber ropes 5 are combined cable core around steel wire rope 1 with the mutual stranded composition of concentric circular fashion； (5) at the periphery of compound cable core wrapped rubber strap lapping layer 6, the thickness of rubber strap lapping layer 6 is 0.25mm, and Duplication is 50%；(6) the periphery at rubber strap lapping layer 6 extrudes rubber liner layer 7；(7) it is coated with every magnetic cup in the periphery of rubber liner layer 7 Cover armor 8；(8) corrosion-resistant oversheath 9 is extruded in the periphery every magnetic shield armor 8.
Power cable insulation layer 2b, the manufacture method of control cable insulation 3b and instrument cable insulating barrier 4b include successively Following steps: (1) is by following component and weight content preparation raw material: ethylene propylene diene rubber BK50:15 part；Ethylene propylene diene rubber 4640:5 part；Stearic acid: 0.1 part；Benzoyl peroxide: 0.4 part；Zinc oxide: 1.5 parts；2,4-bis-(dodecylthiomethyl)- 6-methylphenol: 0.6 part；N, N '-two (betanaphthyl) p-phenylenediamine: 0.2 part；Titanium dioxide: 1.1 parts；Xiangshan calcinated argil: 9 parts； Microcrystalline wax: 1.2 parts；Vaseline: 1.1 parts；White carbon: 2 parts；Pulvis Talci: 14 parts；N, N '-penylene BMI: 0.6 part；(2) first by ethylene propylene diene rubber BK50 and ethylene propylene diene rubber 4640 banburying mix homogeneously；Then 2,4-it is sequentially added into Two (dodecylthiomethyl)-6-methylphenol, N, N '-two (betanaphthyl) p-phenylenediamine, microcrystalline wax, zinc oxide, stearic acid, Pulvis Talci, white carbon, titanium dioxide are carried out mixing 16 minutes, make each component uniform；Then three layers of 20+40+60 mesh filter screen are used to enter Row filter rubber, filter rubber parks 15 hours after rolling over page slice；On banbury, add vaseline after cooling and carry out the most mixing and Benzoyl peroxide, N, a N '-penylene BMI and Xiangshan calcinated argil is added when latter 1 minute；Last in mill Above play 8 triangle bags standby as insulation sheet rubber after three roller roll mills draw thin cutting in blocks；(3) insulation sheet rubber is being squeezed Extrude power cable insulation layer on rubber machine, control cable insulation 3b or instrument cable insulating barrier 4b, each insulated wire cores during extrusion Hauling speed be 16m/min, body temperature 1 district of rubber extruding machine is 60 DEG C, and 2nd district are 65 DEG C, and the head temperature of rubber extruding machine is 77 ℃。
The manufacture method of rubber liner layer 7 comprises the following steps successively: (1) prepares former by following components and weight content Material, ethylene ethyl acetate: 22 parts；Three (2,3-dibromopropyl) fulminuric acid ester: 2 parts；Zinc oxide: 0.7 part；Microcrystalline wax: 1.2 part；Zinc stearate: 0.3 part；White carbon black: 4 parts；Pulvis Talci: 12 parts；Fume colloidal silica: 1.8 parts；Vaseline: 1.6 parts；As Mountain calcinated argil: 11 parts；4,4 '-bis-(bis (alpha, alpha-dimethylbenzyl) base) diphenylamines: 0.6 part；N, N '-penylene BMI: 0.6 part；2-thiol benzothiazole: 0.2 part；(2) first that ethylene ethyl acetate is uniform at mixer mixing, it is subsequently adding three (2,3-dibromopropyl) fulminuric acid ester, zinc oxide, microcrystalline wax, zinc stearate, white carbon black, Pulvis Talci, fume colloidal silica, Vaseline carries out mixing 8 minutes in banbury so that batch mixing stirs；Be subsequently added into calcinated argil and 4,4 pairs (-- Dimethyl benzyl) diphenylamines continue mixing uniformly, be subsequently adding N, a N '-penylene BMI and 2-mercapto benzene a pair of horses going side by side thiophene Azoles blanking in the most mixing 50 seconds；Being moved to by descended compound after turning over 3 triangle bags in two roller mills again, cutting slice is standby squeezes Bag.
The manufacture method of power cable restrictive coating 2c and corrosion-resistant oversheath 9 comprises the following steps successively: (1) is by following group Part and weight content preparation raw material: CSM H40:20 part；2-thiol benzothiazole: 0.2 part；Curing two Benzothiazole: 0.4 part；Curing is double (thiocarbonyl group dimethylamine): 0.6 part；Magnesium oxide: 1.1 parts；Zinc oxide: 1.2 parts；N, N '-two Diphenyl-para-phenylene diamine: 0.3 part；Microcrystalline wax: 0.6 part；3-aminopropyl triethoxysilane: 0.6 part；Phthalic acid two (2- Ethyl hexyl) ester: 0.6 part；Aluminium hydroxide: 1.4 parts；Dioctyl phthalate: 2 parts；Fume colloidal silica: 5.0 parts；Talcum Powder: 5 parts；Vaseline: 0.5 part；Stearic acid: 0.1 part；(2) first by CSM H40 in banbury mixing 3 ~ 5 Minute；It is subsequently adding magnesium oxide, zinc oxide, microcrystalline wax, 3-aminopropyl triethoxysilane, phthalic acid two (2-ethyl Oneself) ester, aluminium hydroxide, Pulvis Talci, dioctyl phthalate, fume colloidal silica, vaseline and stearic acid be in banbury Mixing 10 minutes so that batch mixing stirs；Then the double-layer leaching net using 40 mesh+60 mesh carries out filtering rubber 3 times, then with 20 mesh+ The double-layer leaching net filter rubber of 40 mesh 4 times；Filter rubber adds curing double (thiocarbonyl group dimethylamine), curing two in epoxy glue after completing Benzothiazole, N, N '-diphenyl-para-phenylene diamine and 2-thiol benzothiazole, more mixing 50 seconds；Then compound is moved to out Carrying out rolling sheet heat radiation on refining machine, mill is rolled the temperature of sheet and is controlled at 110 DEG C, and rolling the sheet time is 10 minutes, and on a mill until Turning over six triangle bags, after turning over uniformly, cutting slice extrudes as jacket rubber is standby；(3) jacket rubber is extruded on rubber extruding machine Power cable restrictive coating 2c or corrosion-resistant oversheath 9, the fuselage one district temperature of rubber extruding machine is 72 DEG C, and two district's temperature are 77 DEG C, squeezes The head temperature of rubber machine is 60 DEG C, and the screw rod of rubber extruding machine uses air-cooled+water-cooling pattern dual-cooled, uses 0.6MPa's after extrusion Pressure vulcanizes, and going out linear velocity is 20m/min.
Embodiment two
The manufacture method of petroleum gas down-hole instrument multi-functional cable, comprises the following steps successively: (1) a diameter of by many Regular power cable twisted copper conductors 2a that is twisted into of the tinned copper wire of 0.32mm, twisting pitch ratio is 11, stranded at power cable The periphery of copper conductor 2a extrudes power cable insulation layer 2b and constitutes power cable insulation core, then by many power cable insulations The mutual stranded composition electric-cable core of core, then power cable restrictive coating 2c is extruded in the periphery of electric-cable core；(2) will The tinned copper wire of many a diameter of 0.18mm synnema in the same direction becomes strand, and the most strand reverse strandings become to control cable twisting copper Conductor 3a, the lay ratio of synnema is 8 times in the same direction, and the stranded lay ratio of strand opposite direction is 13 times；Lead controlling cable twisting copper The periphery of body 3a extrudes control cable insulation 3b and constitutes control cable insulation core, and many control cable insulation cores mutually twist Close to constitute and control cable conductor, then controlling the wrapped control in the periphery cable copper foil shielding layer 3c of cable conductor, control cable copper The copper-clad surface of paper tinsel screen layer 3c is inwardly and inner side is provided with control cable drainage thread 3d, controls cable drainage thread 3d and runs through control cable Cable core overall length is also closely packed together with copper-clad surface；(3) it is twisted into instrument by regular for the tinned copper conductor of many a diameter of 0.13mm Cable twisting copper conductor 4a, twisting pitch ratio is 11, extrudes instrument cable insulation in the periphery of instrument cable twisted copper conductors 4a Layer 4b constitutes instrument cable insulated wire cores, instrument cable insulated wire cores the most stranded formation twisted pair wire pair, the gap of twisted pair wire pair It is filled with non-hygroscopic polypropylene mesh split fibre and fills out core 4c；How group twisted pair wires are to mutual stranded composition instrument cable cable core, At the periphery of instrument cable cable core wrapped instrument cable copper foil shielding layer 4d, the copper-clad surface of instrument cable copper foil shielding layer 4d is inside And inner side is provided with instrument cable drainage thread 4e, instrument cable drainage thread 4e and runs through instrument cable cable core overall length tight with copper-clad surface It is close together；(4) by electric-cable core, to control cable conductor and instrument cable cable core be equilateral triangle distribution and center gap Steel cable 1, gap, periphery symmetrically placed aramid fiber rope 5, then electric-cable core, control cable are placed by place Core, instrument cable cable core and three aramid fiber ropes 5 are combined cable core around steel wire rope 1 with the mutual stranded composition of concentric circular fashion； (5) at the periphery of compound cable core wrapped rubber strap lapping layer 6, the thickness of rubber strap lapping layer 6 is 0.25mm, and Duplication is 52%；(6) the periphery at rubber strap lapping layer 6 extrudes rubber liner layer 7；(7) it is coated with every magnetic cup in the periphery of rubber liner layer 7 Cover armor 8；(8) corrosion-resistant oversheath 9 is extruded in the periphery every magnetic shield armor 8.
Power cable insulation layer 2b, the manufacture method of control cable insulation 3b and instrument cable insulating barrier 4b include successively Following steps: (1) is by following component and weight content preparation raw material: ethylene propylene diene rubber BK50:15 part；Ethylene propylene diene rubber 4640:5 part；Stearic acid: 0.2 part；Benzoyl peroxide: 0.5 part；Zinc oxide: 1.8 parts；2,4-bis-(dodecylthiomethyl)- 6-methylphenol: 0.7 part；N, N '-two (betanaphthyl) p-phenylenediamine: 0.3 part；Titanium dioxide: 1.3 parts；Xiangshan calcinated argil: 10 Part；Microcrystalline wax: 1.3 parts；Vaseline: 1.3 parts；White carbon: 2.5 parts；Pulvis Talci: 16 parts；N, N '-penylene bismaleimide Amine: 0.8 part；(2) first by ethylene propylene diene rubber BK50 and ethylene propylene diene rubber 4640 banburying mix homogeneously；Then 2 it are sequentially added into, 4-bis-(dodecylthiomethyl)-6-methylphenol, N, N '-two (betanaphthyl) p-phenylenediamine, microcrystalline wax, zinc oxide, tristearin Acid, Pulvis Talci, white carbon, titanium dioxide are carried out mixing 18 minutes, make each component uniform；Then three layers of 20+40+60 mesh filter screen are used Carrying out filtering rubber, filter rubber parks 16 hours after rolling over page slice；Add on banbury after cooling vaseline and carry out the most mixing and Benzoyl peroxide, N, a N '-penylene BMI and Xiangshan calcinated argil is added when last 1 minute；Last in mill 8 triangle bags are played standby as insulation sheet rubber after three roller roll mills draw thin cutting in blocks on machine；(3) insulation sheet rubber is existed Extrude power cable insulation layer on rubber extruding machine, control cable insulation 3b or instrument cable insulating barrier 4b, each covered wire during extrusion The hauling speed of core is 17m/min, and body temperature 1 district of rubber extruding machine is 65 DEG C, and 2nd district are 70 DEG C, and the head temperature of rubber extruding machine is 82℃。
The manufacture method of rubber liner layer 7 comprises the following steps successively: (1) prepares former by following components and weight content Material, ethylene ethyl acetate: 22 parts；Three (2,3-dibromopropyl) fulminuric acid ester: 2.5 parts；Zinc oxide: 0.9 part；Microlite Wax: 1.3 parts；Zinc stearate: 0.4 part；White carbon black: 5 parts；Pulvis Talci: 14 parts；Fume colloidal silica: 2 parts；Vaseline: 1.8 parts；As Mountain calcinated argil: 13 parts；4,4 '-bis-(bis (alpha, alpha-dimethylbenzyl) base) diphenylamines: 0.8 part；N, N '-penylene BMI: 0.8 part；2-thiol benzothiazole: 0.4 part；(2) first that ethylene ethyl acetate is uniform at mixer mixing, it is subsequently adding three (2,3-dibromopropyl) fulminuric acid ester, zinc oxide, microcrystalline wax, zinc stearate, white carbon black, Pulvis Talci, fume colloidal silica, Vaseline carries out mixing 9 minutes in banbury so that batch mixing stirs；Be subsequently added into calcinated argil and 4,4 pairs (-- Dimethyl benzyl) diphenylamines continue mixing uniformly, be subsequently adding N, a N '-penylene BMI and 2-mercapto benzene a pair of horses going side by side thiophene Azoles blanking in the most mixing 55 seconds；Being moved to by descended compound after turning over 3 triangle bags in two roller mills again, cutting slice is standby squeezes Bag.
The manufacture method of power cable restrictive coating 2c and corrosion-resistant oversheath 9 comprises the following steps successively: (1) is by following group Part and weight content preparation raw material: CSM H40:20 part；2-thiol benzothiazole: 0.4 part；Curing two Benzothiazole: 0.5 part；Curing is double (thiocarbonyl group dimethylamine): 0.8 part；Magnesium oxide: 1.3 parts；Zinc oxide: 1.4 parts；N, N '-two Diphenyl-para-phenylene diamine: 0.4 part；Microcrystalline wax: 0.8 part；3-aminopropyl triethoxysilane: 0.8 part；Phthalic acid two (2- Ethyl hexyl) ester: 0.8 part；Aluminium hydroxide: 1.8 parts；Dioctyl phthalate: 2.2 parts；Fume colloidal silica: 6 parts；Talcum Powder: 6 parts；Vaseline: 1 part；Stearic acid: 0.2 part；(2) first by CSM H40 in banbury mixing 4 minutes； Be subsequently adding magnesium oxide, zinc oxide, microcrystalline wax, 3-aminopropyl triethoxysilane, phthalic acid two (2-ethyl hexyl) ester, Aluminium hydroxide, Pulvis Talci, dioctyl phthalate, fume colloidal silica, vaseline and stearic acid are in banbury mixing 11 Minute so that batch mixing stirs；Then the double-layer leaching net using 40 mesh+60 mesh carries out filtering rubber 3 times, then by 20 mesh+40 purposes Double-layer leaching net filter rubber 4 times；Filter rubber adds curing double (thiocarbonyl group dimethylamine), diphenyl disulfide thiophene after completing in epoxy glue Azoles, N, N '-diphenyl-para-phenylene diamine and 2-thiol benzothiazole, more mixing 55 seconds；Then compound is moved in mill Carrying out rolling sheet heat radiation, mill is rolled the temperature of sheet and is controlled at 115 DEG C, and rolling the sheet time is 11 minutes, and turns over six on a mill until Triangle bag, after turning over uniformly, cutting slice extrudes as jacket rubber is standby；(3) jacket rubber is extruded on rubber extruding machine electric power electricity Cable restrictive coating 2c or corrosion-resistant oversheath 9, the fuselage one district temperature of rubber extruding machine is 75 DEG C, and two district's temperature are 80 DEG C, rubber extruding machine Head temperature is 65 DEG C, and the screw rod of rubber extruding machine uses air-cooled+water-cooling pattern dual-cooled, uses the pressure of 0.7MPa to enter after extrusion Row sulfuration, going out linear velocity is 22m/min.
Embodiment three
The manufacture method of petroleum gas down-hole instrument multi-functional cable, comprises the following steps successively: (1) a diameter of by many Regular power cable twisted copper conductors 2a that is twisted into of the tinned copper wire of 0.32mm, twisting pitch ratio is 12, stranded at power cable The periphery of copper conductor 2a extrudes power cable insulation layer 2b and constitutes power cable insulation core, then by many power cable insulations The mutual stranded composition electric-cable core of core, then power cable restrictive coating 2c is extruded in the periphery of electric-cable core；(2) will The tinned copper wire of many a diameter of 0.21mm synnema in the same direction becomes strand, and the most strand reverse strandings become to control cable twisting copper Conductor 3a, the lay ratio of synnema is 10 times in the same direction, and the stranded lay ratio of strand opposite direction is 14 times；Lead controlling cable twisting copper The periphery of body 3a extrudes control cable insulation 3b and constitutes control cable insulation core, and many control cable insulation cores mutually twist Close to constitute and control cable conductor, then controlling the wrapped control in the periphery cable copper foil shielding layer 3c of cable conductor, control cable copper The copper-clad surface of paper tinsel screen layer 3c is inwardly and inner side is provided with control cable drainage thread 3d, controls cable drainage thread 3d and runs through control cable Cable core overall length is also closely packed together with copper-clad surface；(3) it is twisted into instrument by regular for the tinned copper conductor of many a diameter of 0.15mm Cable twisting copper conductor 4a, twisting pitch ratio is 12, extrudes instrument cable insulation in the periphery of instrument cable twisted copper conductors 4a Layer 4b constitutes instrument cable insulated wire cores, instrument cable insulated wire cores the most stranded formation twisted pair wire pair, the gap of twisted pair wire pair It is filled with non-hygroscopic polypropylene mesh split fibre and fills out core 4c；How group twisted pair wires are to mutual stranded composition instrument cable cable core, At the periphery of instrument cable cable core wrapped instrument cable copper foil shielding layer 4d, the copper-clad surface of instrument cable copper foil shielding layer 4d is inside And inner side is provided with instrument cable drainage thread 4e, instrument cable drainage thread 4e and runs through instrument cable cable core overall length tight with copper-clad surface It is close together；(4) by electric-cable core, to control cable conductor and instrument cable cable core be equilateral triangle distribution and center gap Steel cable 1, gap, periphery symmetrically placed aramid fiber rope 5, then electric-cable core, control cable are placed by place Core, instrument cable cable core and three aramid fiber ropes 5 are combined cable core around steel wire rope 1 with the mutual stranded composition of concentric circular fashion； (5) at the periphery of compound cable core wrapped rubber strap lapping layer 6, the thickness of rubber strap lapping layer 6 is 0.25mm, and Duplication is 55%；(6) the periphery at rubber strap lapping layer 6 extrudes rubber liner layer 7；(7) it is coated with every magnetic cup in the periphery of rubber liner layer 7 Cover armor 8；(8) corrosion-resistant oversheath 9 is extruded in the periphery every magnetic shield armor 8.
Power cable insulation layer 2b, the manufacture method of control cable insulation 3b and instrument cable insulating barrier 4b include successively Following steps: (1) is by following component and weight content preparation raw material: ethylene propylene diene rubber BK50:15 part；Ethylene propylene diene rubber 4640:5 part；Stearic acid: 0.3 part；Benzoyl peroxide: 0.6 part；Zinc oxide: 2.0 parts；2,4-bis-(dodecylthiomethyl)- 6-methylphenol: 0.8 part；N, N '-two (betanaphthyl) p-phenylenediamine: 0.4 part；Titanium dioxide: 1.5 parts；Xiangshan calcinated argil: 11 Part；Microcrystalline wax: 1.5 parts；Vaseline: 1.5 parts；White carbon: 3 parts；Pulvis Talci: 18 parts；N, N '-penylene bismaleimide Amine: 1.0 parts；(2) first by ethylene propylene diene rubber BK50 and ethylene propylene diene rubber 4640 banburying mix homogeneously；Then 2 it are sequentially added into, 4-bis-(dodecylthiomethyl)-6-methylphenol, N, N '-two (betanaphthyl) p-phenylenediamine, microcrystalline wax, zinc oxide, tristearin Acid, Pulvis Talci, white carbon, titanium dioxide are carried out mixing 20 minutes, make each component uniform；Then three layers of 20+40+60 mesh filter screen are used Carrying out filtering rubber, filter rubber parks 18 hours after rolling over page slice；Add on banbury after cooling vaseline and carry out the most mixing and Benzoyl peroxide, N, a N '-penylene BMI and Xiangshan calcinated argil is added when last 1 minute；Last in mill 8 triangle bags are played standby as insulation sheet rubber after three roller roll mills draw thin cutting in blocks on machine；(3) insulation sheet rubber is existed Extrude power cable insulation layer on rubber extruding machine, control cable insulation 3b or instrument cable insulating barrier 4b, each covered wire during extrusion The hauling speed of core is 18m/min, and body temperature 1 district of rubber extruding machine is 70 DEG C, and 2nd district are 75 DEG C, and the head temperature of rubber extruding machine is 87℃。
The manufacture method of rubber liner layer 7 comprises the following steps successively: (1) prepares former by following components and weight content Material, ethylene ethyl acetate: 22 parts；Three (2,3-dibromopropyl) fulminuric acid ester: 3 parts；Zinc oxide: 1.0 parts；Microcrystalline wax: 1.4 part；Zinc stearate: 0.5 part；White carbon black: 6 parts；Pulvis Talci: 15 parts；Fume colloidal silica: 2.5 parts；Vaseline: 2.0 parts；As Mountain calcinated argil: 15 parts；4,4 '-bis-(bis (alpha, alpha-dimethylbenzyl) base) diphenylamines: 1.0 parts；N, N '-penylene BMI: 1.0 part；2-thiol benzothiazole: 0.5 part；(2) first that ethylene ethyl acetate is uniform at mixer mixing, it is subsequently adding three (2,3-dibromopropyl) fulminuric acid ester, zinc oxide, microcrystalline wax, zinc stearate, white carbon black, Pulvis Talci, fume colloidal silica, Vaseline carries out mixing 10 minutes in banbury so that batch mixing stirs；Be subsequently added into calcinated argil and 4,4 pairs (-- Dimethyl benzyl) diphenylamines continue mixing uniformly, be subsequently adding N, a N '-penylene BMI and 2-mercapto benzene a pair of horses going side by side thiophene Azoles blanking in the most mixing 60 seconds；Being moved to by descended compound after turning over 3 triangle bags in two roller mills again, cutting slice is standby squeezes Bag.
The manufacture method of power cable restrictive coating 2c and corrosion-resistant oversheath 9 comprises the following steps successively: (1) is by following group Part and weight content preparation raw material: CSM H40:20 part；2-thiol benzothiazole: 0.5 part；Curing two Benzothiazole: 0.6 part；Curing is double (thiocarbonyl group dimethylamine): 1.0 parts；Magnesium oxide: 1.5 parts；Zinc oxide: 1.5 parts；N, N '-two Diphenyl-para-phenylene diamine: 0.5 part；Microcrystalline wax: 1 part；3-aminopropyl triethoxysilane: 1 part；Phthalic acid two (2-ethyl Oneself) ester: 1 part；Aluminium hydroxide: 2 parts；Dioctyl phthalate: 2.5 parts；Fume colloidal silica: 6.5 parts；Pulvis Talci: 6.5 Part；Vaseline: 1.5 parts；Stearic acid: 0.3 part；(2) first by CSM H40 in banbury mixing 5 minutes；So Rear addition magnesium oxide, zinc oxide, microcrystalline wax, 3-aminopropyl triethoxysilane, phthalic acid two (2-ethyl hexyl) ester, hydrogen Aluminium oxide, Pulvis Talci, dioctyl phthalate, fume colloidal silica, vaseline and stearic acid in banbury mixing 12 points Clock so that batch mixing stirs；Then the double-layer leaching net using 40 mesh+60 mesh carries out filtering rubber 3 times, more double by 20 mesh+40 purposes Metafiltration net filter rubber 4 times；Filter rubber adds curing double (thiocarbonyl group dimethylamine), diphenyl disulfide thiophene after completing in epoxy glue Azoles, N, N '-diphenyl-para-phenylene diamine and 2-thiol benzothiazole, more mixing 60 seconds；Then compound is moved in mill Carrying out rolling sheet heat radiation, mill is rolled the temperature of sheet and is controlled at 120 DEG C, and rolling the sheet time is 12 minutes, and turns over six on a mill until Triangle bag, after turning over uniformly, cutting slice extrudes as jacket rubber is standby；(3) jacket rubber is extruded on rubber extruding machine electric power electricity Cable restrictive coating 2c or corrosion-resistant oversheath 9, the fuselage one district temperature of rubber extruding machine is 78 DEG C, and two district's temperature are 83 DEG C, rubber extruding machine Head temperature is 70 DEG C, and the screw rod of rubber extruding machine uses air-cooled+water-cooling pattern dual-cooled, uses the pressure of 0.8MPa to enter after extrusion Row sulfuration, going out linear velocity is 25m/min.
Front measuring mechanical property result such as table 1 aging to electro-insulating rubber in embodiment one to embodiment three:
Table 1
To the such as table 2 of the measuring mechanical property result after electro-insulating rubber oven ageing in embodiment one to embodiment three, old without conductor Change condition: temperature 135 ± 2 DEG C, time: 168h.
Table 2
To the such as table 3 of the measuring mechanical property result after electro-insulating rubber air bomb aging in embodiment one to embodiment three, aging bar Part: temperature 127 ± 1 DEG C, time 40h, pressure 56 N/mm.
Table 3
As shown in table 4 to minimum insulation resistance (the when 20 DEG C) test result of electro-insulating rubber in embodiment one to embodiment three.
Table 4
Carrying out measuring mechanical property after electro-insulating rubber in embodiment one to embodiment three is immersed IRM902# oil, test result is such as Table 5.Test condition: temperature 100 ± 2 DEG C, time 24h.
Table 5
Owing to rubber liner layer does not examine mechanical properties strength, mainly high-temperature resistant grade and heat stability requirement.To enforcement In example one to embodiment three, the liner rubber of rubber liner layer carries out oven aging experiments, aging condition: temperature 160 ± 2 DEG C, time Between: 168h.Measuring mechanical property result such as table 6 after oven ageing.
Table 6
Liner rubber in embodiment one to embodiment three is carried out hot elongation test, experimental condition: treatment temperature 250 ± 3 DEG C, Persistent period 15 min, mechanical stress 20 N/cm.Test result such as table 7.
Table 7
Test result such as table 8 below to the jacket rubber of embodiment one to embodiment three.
Table 8
In above example, ethylene ethyl acetate selects the EVA40L-03 of E.I.Du Pont Company.
The foregoing is only the preferable possible embodiments of the present invention, the non-patent protection model therefore limiting to the present invention Enclose.In addition to the implementation, the present invention can also have other embodiments.The skill that all employing equivalents or equivalent transformation are formed Art scheme, all falls within the protection domain of application claims.The present invention can pass through or use existing without the technical characteristic described There is technology to realize, do not repeat them here.

Claims (10)

1. a petroleum gas down-hole instrument multi-functional cable, it is characterised in that: power cable twisted copper conductors periphery is wrapped It is covered with power cable insulation layer and constitutes power cable insulation core, the many mutual stranded composition electricity of described power cable insulation core Power cable conductor, the periphery of described electric-cable core is coated with power cable restrictive coating；Control cable twisting copper conductor periphery It is coated with control cable insulation and constitutes control cable insulation core, the many described mutual stranded compositions of control cable insulation core Controlling cable conductor, the periphery of described control cable conductor is surrounded with control cable copper foil shielding layer, described control cable Copper Foil The copper-clad surface of screen layer is inwardly and inner side is provided with control cable drainage thread, and described control cable drainage thread runs through control cable conductor Overall length is also closely packed together with copper-clad surface；Instrument cable twisted copper conductors periphery is coated with instrument cable insulating barrier and constitutes instrument Cable insulation core, described instrument cable insulated wire cores the most stranded formation twisted pair wire pair, the gap filling of described twisted pair wire pair Having non-hygroscopic polypropylene mesh split fibre to fill out core, the described twisted pair wire of many groups is to mutual stranded composition instrument cable cable core, institute The periphery stating instrument cable cable core is surrounded with instrument cable copper foil shielding layer, the Copper Foil of described instrument cable copper foil shielding layer towards Interior and inner side is provided with instrument cable drainage thread, and described instrument cable drainage thread runs through instrument cable cable core overall length and copper-clad surface It is closely packed together；Described electric-cable core, control cable conductor and instrument cable cable core are equilateral triangle distribution and periphery sky It is arranged with at gap at aramid fiber rope, center gap and is provided with steel cable, described electric-cable core, control cable The described aramid fiber rope of core, instrument cable cable core and three is combined around described steel wire rope with the mutual stranded composition of concentric circular fashion Cable core, the periphery of described compound cable core is surrounded with rubber strap lapping layer, and the periphery of described rubber strap lapping layer is coated with rubber Glue inside lining layer, the periphery of described rubber liner layer is coated with every magnetic shield armor, described every the periphery of magnetic shield armor bag It is covered with corrosion-resistant oversheath.
Petroleum gas down-hole the most according to claim 1 instrument multi-functional cable, it is characterised in that: described electric power electricity Cable twisted copper conductors uses that the tinned copper wire of many a diameter of 0.32mm is regular stranded to be formed, and twisting pitch ratio is 10～12；Institute State control cable twisting copper conductor be filament diameter be the tinned copper conductor of 0.15～0.21mm, initially with equidirectional disposably Synnema composition strand, the most strand opposite directions carry out stranded, and the lay ratio of equidirectional synnema is 7～10 times, strand negative side It it is 12～14 times to stranded lay ratio；Described instrument cable twisted copper conductors be filament diameter be 0.12～0.15mm tin plating Copper conductor is regular stranded to be formed, and twisting pitch ratio is 10～12；The thickness of described rubber strap lapping layer is 0.25mm, Duplication It is 50% ~ 55%.
Petroleum gas down-hole the most according to claim 1 instrument multi-functional cable, it is characterised in that: described every magnetic cup Covering armor uses the copper alloy silk braiding of a diameter of 6.0 ± 0.03 mm to form, and percentage of braiding coverage is not less than 90%, and copper alloy Raw material components and the weight content of silk are as follows, copper: ferrum: lead: lanthanum: zinc=88:0.25:0.15:1.8:9.8.
Petroleum gas down-hole the most according to claim 1 instrument multi-functional cable, it is characterised in that described electric power electricity Cable insulating barrier, the raw material components controlling electro-insulating rubber used by cable insulation and instrument cable insulating barrier and weight content are as follows: Ethylene propylene diene rubber BK50:15 part；Ethylene propylene diene rubber 4640:5 part；Stearic acid: 0.1～0.3 part；Benzoyl peroxide: 0.4 ～0.6 part；Zinc oxide: 1.5～2.0 parts；2,4-bis-(dodecylthiomethyl)-6-methylphenol: 0.6～0.8 part；N,N’- Two (betanaphthyl) p-phenylenediamine: 0.2～0.4 part；Titanium dioxide: 1.1～1.5 parts；Xiangshan calcinated argil: 9～11 parts；Microlite Wax: 1.2～1.5 parts；Vaseline: 1.1～1.5 parts；White carbon: 2～3 parts；Pulvis Talci: 14～18 parts；N, N '-penylene span Carry out acid imide: 0.6～1.0 part.
Petroleum gas down-hole the most according to claim 1 instrument multi-functional cable, it is characterised in that in described rubber Raw material components and the weight content of lining are as follows: ethylene ethyl acetate: 22 parts；Three (2,3-dibromopropyl) fulminuric acid ester: 2 ～3 parts；Zinc oxide: 0.7～1.0 part；Microcrystalline wax: 1.2～1.4 parts；Zinc stearate: 0.3～0.5 part；White carbon black: 4～6 parts； Pulvis Talci: 12～15 parts；Fume colloidal silica: 1.8～2.5 parts；Vaseline: 1.6～2.0 parts；Xiangshan calcinated argil: 11～15 Part；4,4 '-bis-(bis (alpha, alpha-dimethylbenzyl) base) diphenylamines: 0.6～1.0 part；N, N '-penylene BMI: 0.6～1.0 Part；2-thiol benzothiazole: 0.2～0.5 part.
Petroleum gas down-hole the most according to claim 1 instrument multi-functional cable, it is characterised in that described electric power electricity Raw material components and the weight content of jacket rubber used by cable restrictive coating and corrosion-resistant oversheath are as follows: CSM H40:20 part；2-thiol benzothiazole: 0.2 ~ 0.5 part；Dibenzothiazyl disulfide: 0.4 ~ 0.6 part；Double (the thion of curing Base dimethylamine): 0.6 ~ 1.0 part；Magnesium oxide: 1.1 ~ 1.5 parts；Zinc oxide: 1.2 ~ 1.5 parts；N, N '-diphenyl-para-phenylene diamine: 0.3 ~ 0.5 part；Microcrystalline wax: 0.6 ~ 1 part；3-aminopropyl triethoxysilane: 0.6 ~ 1 part；Phthalic acid two (2-ethyl hexyl) Ester: 0.6 ~ 1 part；Aluminium hydroxide: 1.4 ~ 2 parts；Dioctyl phthalate: 2 ~ 2.5 parts；Fume colloidal silica: 5.0 ~ 6.5 parts； Pulvis Talci: 5 ~ 6.5 parts；Vaseline: 0.5 ~ 1.5 part；Stearic acid: 0.1 ~ 0.3 part.
7. a manufacture method for petroleum gas down-hole instrument multi-functional cable, is characterized in that, comprise the following steps successively: (1) by regular for the tinned copper wire of the many a diameter of 0.32mm power cable twisted copper conductors that is twisted into, twisting pitch ratio be 10～ 12, extrude power cable insulation layer in the periphery of power cable twisted copper conductors and constitute power cable insulation core, then will be many The mutual stranded composition electric-cable core of power cable insulation core described in root, then extrude in the periphery of described electric-cable core Power cable restrictive coating；(2) the tinned copper wire synnema in the same direction of many a diameter of 0.15～0.21mm is become strand, the most stocks Line reverse stranding becomes to control cable twisting copper conductor, and the lay ratio of synnema is 7～10 times in the same direction, the pitch diameter that strand opposite direction is stranded Ratio is 12～14 times；Extrude control cable insulation in the periphery of described control cable twisting copper conductor and constitute control cable insulation Core, the many mutual stranded compositions of described control cable insulation core control cable conductor, then are controlling the periphery of cable conductor Wrapped control cable copper foil shielding layer, the copper-clad surface of described control cable copper foil shielding layer is inwardly and inner side is provided with control cable and draws Streamline, described control cable drainage thread runs through control cable conductor overall length and is closely packed together with copper-clad surface；(3) straight by many Footpath is the regular instrument cable twisted copper conductors that is twisted into of tinned copper conductor of 0.12～0.15mm, and twisting pitch ratio is 10～12, Extrude instrument cable insulating barrier in the periphery of described instrument cable twisted copper conductors and constitute instrument cable insulated wire cores, described instrument Cable insulation core the most stranded formation twisted pair wire pair, the gap filling of described twisted pair wire pair has non-hygroscopic polypropylene mesh to tear Split fiber and fill out core；The described twisted pair wire of many groups is to mutual stranded composition instrument cable cable core, in the periphery of described instrument cable cable core Wrapped instrument cable copper foil shielding layer, the copper-clad surface of described instrument cable copper foil shielding layer is inwardly and inner side is provided with instrument cable and draws Streamline, described instrument cable drainage thread runs through instrument cable cable core overall length and is closely packed together with copper-clad surface；(4) by described electricity Power cable conductor, control cable conductor and instrument cable cable core are to place a steel wire at equilateral triangle distribution and center gap Rope, gap, periphery symmetrically placed aramid fiber rope, the most described electric-cable core, control cable conductor, instrument cable cable Core and three described aramid fiber ropes are combined cable core around described steel wire rope with the mutual stranded composition of concentric circular fashion；(5) described The periphery wrapped rubber strap lapping layer of compound cable core, the thickness of described rubber strap lapping layer is 0.25mm, and Duplication is 50% ~55%；(6) the periphery at described rubber strap lapping layer extrudes rubber liner layer；(7) it is coated with in the periphery of described rubber liner layer Every magnetic shield armor；(8) extrude corrosion-resistant oversheath in the described periphery every magnetic shield armor.
The manufacture method of petroleum gas down-hole the most according to claim 7 instrument multi-functional cable, it is characterised in that The manufacture method of described power cable insulation layer, control cable insulation and instrument cable insulating barrier comprises the following steps successively: (1) by following component and weight content preparation raw material: ethylene propylene diene rubber BK50:15 part；Ethylene propylene diene rubber 4640:5 part；Firmly Fat acid: 0.1～0.3 part；Benzoyl peroxide: 0.4～0.6 part；Zinc oxide: 1.5～2.0 parts；2,4-bis-(dodecyl sulfur first Base)-6-methylphenol: 0.6～0.8 part；N, N '-two (betanaphthyl) p-phenylenediamine: 0.2～0.4 part；Titanium dioxide: 1.1～1.5 Part；Xiangshan calcinated argil: 9～11 parts；Microcrystalline wax: 1.2～1.5 parts；Vaseline: 1.1～1.5 parts；White carbon: 2～3 parts； Pulvis Talci: 14～18 parts；N, N '-penylene BMI: 0.6～1.0 part；(2) first by ethylene propylene diene rubber BK50 and Ethylene propylene diene rubber 4640 banburying mix homogeneously；Then 2,4-bis-(dodecylthiomethyl)-6-methylphenol, N it are sequentially added into, N '-two (betanaphthyl) p-phenylenediamine, microcrystalline wax, zinc oxide, stearic acid, Pulvis Talci, white carbon, titanium dioxide carry out mixing 16～ 20 minutes, make each component uniform；Then using three layers of 20+40+60 mesh filter screen to carry out filtering rubber, it is little that filter rubber parks 15 after rolling over page slice More than time；Add on banbury after cooling vaseline and carry out the most mixing and when last 1 minute add benzoyl peroxide, N, N '-penylene BMI and Xiangshan calcinated argil；Finally play 8 triangle bags on a mill until to draw through three roller roll mills After thin cutting in blocks standby as insulation sheet rubber；(3) insulation sheet rubber is extruded on rubber extruding machine power cable insulation layer, control Cable insulation processed or instrument cable insulating barrier, during extrusion, the hauling speed of each insulated wire cores is 16 ~ 18m/min, rubber extruding machine Body temperature 1 district is 65 ± 5 DEG C, and 2nd district are 70 ± 5 DEG C, and the head temperature of rubber extruding machine is 82 ± 5 DEG C.
The manufacture method of petroleum gas down-hole the most according to claim 7 instrument multi-functional cable, it is characterised in that The manufacture method of described rubber liner layer comprises the following steps successively: (1) prepares raw material, ethylene by following components and weight content Ethyl acetate: 22 parts；Three (2,3-dibromopropyl) fulminuric acid ester: 2～3 parts；Zinc oxide: 0.7～1.0 part；Microcrystalline wax: 1.2～1.4 parts；Zinc stearate: 0.3～0.5 part；White carbon black: 4～6 parts；Pulvis Talci: 12～15 parts；Fume colloidal silica: 1.8～ 2.5 part；Vaseline: 1.6～2.0 parts；Xiangshan calcinated argil: 11～15 parts；4,4 '-bis-(bis (alpha, alpha-dimethylbenzyl) base) diphenylamines: 0.6～1.0 part；N, N '-penylene BMI: 0.6～1.0 part；2-thiol benzothiazole: 0.2～0.5 part；(2) First that ethylene ethyl acetate is uniform at mixer mixing, be subsequently adding three (2,3-dibromopropyl) fulminuric acid ester, zinc oxide, Microcrystalline wax, zinc stearate, white carbon black, Pulvis Talci, fume colloidal silica, vaseline are carried out mixing 8～10 minutes in banbury, Batch mixing is stirred；Be subsequently added into calcinated argil and 4,4 pairs of (--the dimethyl benzyl) diphenylamines continue mixing uniformly, It is subsequently adding N, a N '-penylene BMI and the blanking in the most mixing 50～60 seconds of 2-thiol benzothiazole；Again by under Compound move to and turn over 3 triangle bags in two roller mills after, slice is standby extrudes in cutting.
The manufacture method of petroleum gas down-hole the most according to claim 7 instrument multi-functional cable, its feature exists In, the manufacture method of described power cable restrictive coating and corrosion-resistant oversheath comprises the following steps successively: (1) by following component and Weight content preparation raw material: CSM H40:20 part；2-thiol benzothiazole: 0.2 ~ 0.5 part；Curing two Benzothiazole: 0.4 ~ 0.6 part；Curing is double (thiocarbonyl group dimethylamine): 0.6 ~ 1.0 part；Magnesium oxide: 1.1 ~ 1.5 parts；Zinc oxide: 1.2 ~ 1.5 parts；N, N '-diphenyl-para-phenylene diamine: 0.3 ~ 0.5 part；Microcrystalline wax: 0.6 ~ 1 part；3-aminopropyl-triethoxy silicon Alkane: 0.6 ~ 1 part；Phthalic acid two (2-ethyl hexyl) ester: 0.6 ~ 1 part；Aluminium hydroxide: 1.4 ~ 2 parts；Phthalic acid two is pungent Ester: 2 ~ 2.5 parts；Fume colloidal silica: 5.0 ~ 6.5 parts；Pulvis Talci: 5 ~ 6.5 parts；Vaseline: 0.5 ~ 1.5 part；Stearic acid: 0.1 ~ 0.3 part；(2) first by CSM H40 in banbury mixing 3 ~ 5 minutes；Be subsequently adding magnesium oxide, zinc oxide, Microcrystalline wax, 3-aminopropyl triethoxysilane, phthalic acid two (2-ethyl hexyl) ester, aluminium hydroxide, Pulvis Talci, adjacent benzene two Formic acid dioctyl ester, fume colloidal silica, vaseline and stearic acid in banbury mixing 10 ~ 12 minutes so that batch mixing stirring is all Even；Then the double-layer leaching net using 40 mesh+60 mesh carries out filtering rubber 3 times, then filters rubber 4 times with the double-layer leaching net of 20 mesh+40 mesh；Filter rubber In epoxy glue, curing double (thiocarbonyl group dimethylamine), dibenzothiazyl disulfide, N, N '-diphenyl is added to benzene two after completing Amine and 2-thiol benzothiazole, more mixing 50 ~ 60 seconds；Then move to compound carry out in mill rolling sheet heat radiation, mill Machine rolls the temperature of sheet and controls at 110 ~ 120 DEG C, and rolling the sheet time is 10 ~ 12 minutes, and turns over six triangle bags on a mill until, turns over all After even, cutting slice extrudes as jacket rubber is standby；(3) described jacket rubber is extruded power cable sheath on rubber extruding machine Layer or corrosion-resistant oversheath, the fuselage one district temperature of rubber extruding machine is 75 ± 3 DEG C, and two district's temperature are 80 ± 3 DEG C, the head of rubber extruding machine Temperature is 65 ± 5 DEG C, and the screw rod of rubber extruding machine uses air-cooled+water-cooling pattern dual-cooled, uses the pressure of 0.6 ~ 0.8MPa after extrusion Power vulcanizes, and going out linear velocity is 20 ~ 25m/min.
CN201610326061.6A 2016-05-17 2016-05-17 Petroleum and natural gas downhole instrument multifunctional cable and manufacturing method thereof Pending CN105957621A (en)

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