CN104018791A - Process for machining anti-degumming anti-corrosion heat-proof positive displacement motor drill - Google Patents
Process for machining anti-degumming anti-corrosion heat-proof positive displacement motor drill Download PDFInfo
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- CN104018791A CN104018791A CN201410236606.5A CN201410236606A CN104018791A CN 104018791 A CN104018791 A CN 104018791A CN 201410236606 A CN201410236606 A CN 201410236606A CN 104018791 A CN104018791 A CN 104018791A
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Abstract
The invention discloses a process for machining an anti-degumming anti-corrosion heat-proof positive displacement motor drill. The process includes the following steps that 10% to 20% of modified nitrile butadiene rubber (HNBR), 20% to 30% of phenolic resin, 20% to 30% of nylon PA610 and 30% to 35% of nylon PA 612 are mixed, the phenolic resin, the nylon PA610, the nylon PA 612 and the HNBR are plasticized before being mixed, is plasticated at the temperature of 70 DEG C to 160 DEG C on a high-temperature roller and are evenly mixed with the HNBR in proportion after being fused completely, mixing is conducted, nano calcium carbonate and nano carbon black are added into the mixed glue to reinforce and promote vulcanization, 3 phr to 5 phr of hydroxy-terminated liquid butyronitrile is added into the 30 kg of mixed glue to serve as solubilizing agents, 2% to 4% of DBP is added to serve as softening agents, and 3% to 4% of ZnO active agents and 2% to 3% of PK additives are added.
Description
Technical field
The present invention relates to a kind of processing technology of helicoid hydraulic motor.
Background technology
Along with the growth of energy demand, oil-gas exploration exploitation is to complicated depth block development, these oily districts often complex formation, containing acid, oil-containing, contain H
2s, well temperature changes greatly, the structure of common helicoid hydraulic motor is mainly made up of motor, universal drive shaft assembly and three parts of driving-shaft assembly, existing common drilling tool is difficult to meet exceptional well job requirements, possesses certain anti-oil, antiacid, medium corrosion-resistant performance in the urgent need to metal, the rubber components of drilling tool.It is the key position of drilling tool that motor is made up of stator and rotor, and the rubber of drilling tool stator interior is the bottleneck that whole drilling tool quality in application life promotes, stator rubber high temperature, high pressure, high-strength moment of torsion and oil, acid, Sulphur Contaminated Environment easily aging, come off; Current domestic drilling tool stator rubber mainly adopts acrylonitrile-butadiene rubber, be difficult to adapt to complicated oil well environment, external general butyronitrile, the superelevation acrylonitrile content butyronitrile of using, hydrogenated butyronitrile, 4 kinds of rubber of fluorine-containing rubber, although rear three kinds of physical properties are better than butyronitrile, but each defectiveness, and complex manufacturing, material expensive, is difficult to promote at home.Traditional stator injecting glue is stator casing to be cleaned to sandblast then to inject rubber bonding, and in complex hole condition and special media well, stator rubber easily comes off.Common drilling tool rotor, universal drive shaft, the anticorrosion general employing chrome-plating method of power transmission shaft, but at special media well, as contained H
2s, containing acid, containing in salt well, coating is perishable, has an accident.
Summary of the invention
Technical problem to be solved by this invention is: the processing technology that the heat-resisting change helicoid hydraulic motor of a kind of degumming preventing anticorrosion is provided.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the processing technology of the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion, and processing step is as follows:
(1) by 10%-20% modified butadiene acrylonitrile rubber (HNBR), 20%-30% phenolic resins, 20%-30% nylon PA610 and 30%-35% nylon PA612 mix, at phenolic resins, nylon PA610, nylon PA612 needed first to plastify before mixing with modified butadiene acrylonitrile rubber (HNBR), on high-temperature roller, the temperature of 70 DEG C-160 DEG C is plasticated, ensure completely to melt and mix in proportion with modified butadiene acrylonitrile rubber (HNBR) again, carry out mixing, in epoxy glue, add nano-calcium carbonate and nano carbon black reinforcement and promote sulfuration, in the epoxy glue of 30Kg, add the hydroxyl terminated butyl nitrile (HTBN) of 3phr-5phr as solubilizer, the DBP that adds therein 2%-4% is softening agent, add therein the ZnO activating agent of 3%-4% and the PK auxiliary agent of 2%-3%,
(2) drawing on boring machine wide outer narrow groove in some of the metal-back inwall broach-millings of stator with forming cutter, will obtain rubber in step 1 and inject the metal shell inwall of stator;
(3) Ultrasonic Arc Sprayed is carried out in the surface of rotor, power transmission shaft and universal drive shaft, the scorification under short circuiting arc effect of tungsten carbide wc-Co10Cr4 powder is become to particle, impact formation atomized particles through supersonic speed and be deposited on rotor, universal drive shaft, power transmission shaft matrix surface, form 5mm-7.5mm antiseptic wearable coat, atomization air flow speed 650m/s, particle rapidity 420m/s;
(4) stator, rotor, power transmission shaft and universal drive shaft are assembled and obtained the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion.
Advantage of the present invention is: the processing technology of the heat-resisting change helicoid hydraulic motor of above-mentioned degumming preventing anticorrosion, and stator blended rubber formula, makes rubber obtain more excellent physical property and dynamic property, has reduced cost, and corrosion resistant heat resistance is better; At the some inner wide outer narrow grooves of metal-back inwall broach-milling of stator, make rubber as the metal-back inside of implanting stator, prevent from coming unstuck, extend application life; Ultrasonic Arc Sprayed is carried out in the surface of rotor, power transmission shaft and universal drive shaft, make it have good anti-corrosive properties, abrasion resistance and higher-strength.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram of stator in the processing technology of the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion of the present invention.
In figure: 1, stator, 2, groove, 3, rubber.
Detailed description of the invention
Describe in detail particular content of the present invention below by accompanying drawing specific embodiment.
The processing technology of the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion, processing step is as follows:
(1) by 10%-20% modified butadiene acrylonitrile rubber (HNBR), 20%-30% phenolic resins, 20%-30% nylon PA610 and 30%-35% nylon PA612 mix, at phenolic resins, nylon PA610, nylon PA612 needed first to plastify before mixing with modified butadiene acrylonitrile rubber (HNBR), on high-temperature roller, the temperature of 70 DEG C-160 DEG C is plasticated, ensure completely to melt and mix in proportion with modified butadiene acrylonitrile rubber (HNBR) again, carry out mixing, in epoxy glue, add nano-calcium carbonate and nano carbon black reinforcement and promote sulfuration, in the epoxy glue of 30Kg, add the hydroxyl terminated butyl nitrile (HTBN) of 3phr-5phr as solubilizer, the DBP that adds therein 2%-4% is softening agent, add therein the ZnO activating agent of 3%-4% and the PK auxiliary agent of 2%-3%,
(2) drawing on boring machine wide outer narrow groove 2 in some of the metal-back inwall broach-millings of stator 1 with forming cutter, will obtain rubber 3 in step 1 and inject the metal shell inwall of stator 1, as shown in Figure 1;
(3) Ultrasonic Arc Sprayed is carried out in the surface of rotor, power transmission shaft and universal drive shaft, the scorification under short circuiting arc effect of tungsten carbide wc-Co10Cr4 powder is become to particle, impact formation atomized particles through supersonic speed and be deposited on rotor, universal drive shaft, power transmission shaft matrix surface, form 5mm-7.5mm antiseptic wearable coat, atomization air flow speed 650m/s, particle rapidity 420m/s;
(4) stator, rotor, power transmission shaft and universal drive shaft are assembled and obtained the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion.
Through repetition test, phenolic resins adds rear hot strength and the tearing strength that has increased rubber polymer, due to the high strength attribute of nylon, heat distortion temperature is high, brittle temperature-92 DEG C, 272 DEG C of vicat softening temperatures, fatigue resistance is high, interior lubrication is obvious, can reduce dynamic heat build up, good stability, mixes after-drawing intensity, tearing strength, wear-resisting, heatproof oxidation performance has fine improvement with modified butadiene acrylonitrile rubber (HNBR), and reduced cost of production, cost performance is high.In epoxy glue, add nano-calcium carbonate and nano carbon black reinforcement and promote sulfuration, in epoxy glue, add hydroxyl terminated butyl nitrile (HTBN) as solubilizer, DBP is softening agent, can improve bonding interface, improve elastomeric compound plasticity, blend glue resistance to medium is improved greatly, dynamic property significantly improves, tearing strength 41KN/m, setafter break < 15; Aging coefficient 0.9, peel strength 23KN/m, nano carbon black particle and rubber molecule relative sliding, increased crosslinking points, Anticrack.In epoxy glue, add ZnO activating agent and PK auxiliary agent, age resistor, makes blended rubber performance reach optimum state.Drawing on boring machine wide outer narrow groove 2 in some of the metal-back inwall broach-millings of stator 1 with forming cutter, can broach-milling 5-20 bar in concrete use procedure in wide outer narrow groove 2, avoided rubber 3 in the complex hole condition entirety accident causing that comes off.Ultrasonic Arc Sprayed is carried out in the surface of rotor, power transmission shaft and universal drive shaft, form 5mm-7.5mm antiseptic wearable coat, coating is in conjunction with hardness > 365MPa, degree of porosity < 1.1%, can ensure high-wearing feature and the anti-corrosive properties of drilling tool rotor, universal drive shaft, power transmission shaft, ensure that drilling tool is in the safe and efficient task that fulfils assignment of complex hole condition.
Embodiment 1
The processing technology of the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion, processing step is as follows:
(1) by 10% modified butadiene acrylonitrile rubber (HNBR), 30% phenolic resins, 30% nylon PA610 and 30% nylon PA612 mix, at phenolic resins, nylon PA610, nylon PA612 needed first to plastify before mixing with modified butadiene acrylonitrile rubber (HNBR), on high-temperature roller, the temperature of 70 DEG C is plasticated, ensure completely to melt and mix in proportion with modified butadiene acrylonitrile rubber (HNBR) again, carry out mixing, in epoxy glue, add nano-calcium carbonate and nano carbon black reinforcement and promote sulfuration, in the epoxy glue of 30Kg, add the hydroxyl terminated butyl nitrile (HTBN) of 3phr as solubilizer, adding therein 2% DBP is softening agent, add therein 3% ZnO activating agent and 2% PK auxiliary agent,
(2) drawing on boring machine wide outer narrow groove 2 in 5 of the metal-back inwall broach-millings of stator 1 with forming cutter, will obtain rubber 3 in step 1 and inject the metal shell inwall of stator 1, as shown in Figure 1;
(3) Ultrasonic Arc Sprayed is carried out in the surface of rotor, power transmission shaft and universal drive shaft, the scorification under short circuiting arc effect of tungsten carbide wc-Co10Cr4 powder is become to particle, impact formation atomized particles through supersonic speed and be deposited on rotor, universal drive shaft, power transmission shaft matrix surface, form 5mm antiseptic wearable coat, atomization air flow speed 650m/s, particle rapidity 420m/s;
(4) stator, rotor, power transmission shaft and universal drive shaft are assembled and obtained the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion.
Embodiment 2
The processing technology of the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion, processing step is as follows:
(1) by 20% modified butadiene acrylonitrile rubber (HNBR), 20% phenolic resins, 30% nylon PA610 and 30% nylon PA612 mix, at phenolic resins, nylon PA610, nylon PA612 needed first to plastify before mixing with modified butadiene acrylonitrile rubber (HNBR), on high-temperature roller, the temperature of 160 DEG C is plasticated, ensure completely to melt and mix in proportion with modified butadiene acrylonitrile rubber (HNBR) again, carry out mixing, in epoxy glue, add nano-calcium carbonate and nano carbon black reinforcement and promote sulfuration, in the epoxy glue of 30Kg, add the hydroxyl terminated butyl nitrile (HTBN) of 5phr as solubilizer, adding therein 4% DBP is softening agent, add therein 4% ZnO activating agent and 3% PK auxiliary agent,
(2) drawing on boring machine wide outer narrow groove 2 in some of the metal-back inwall broach-millings of stator 1 with forming cutter, will obtain rubber 3 in step 1 and inject the metal shell inwall of stator 1, as shown in Figure 1;
(3) Ultrasonic Arc Sprayed is carried out in the surface of rotor, power transmission shaft and universal drive shaft, the scorification under short circuiting arc effect of tungsten carbide wc-Co10Cr4 powder is become to particle, impact formation atomized particles through supersonic speed and be deposited on rotor, universal drive shaft, power transmission shaft matrix surface, form 7.5mm antiseptic wearable coat, atomization air flow speed 650m/s, particle rapidity 420m/s;
(4) stator, rotor, power transmission shaft and universal drive shaft are assembled and obtained the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion.
Embodiment 3
The processing technology of the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion, processing step is as follows:
(1) by 15% modified butadiene acrylonitrile rubber (HNBR), 25% phenolic resins, 25% nylon PA610 and 35% nylon PA612 mix, at phenolic resins, nylon PA610, nylon PA612 needed first to plastify before mixing with modified butadiene acrylonitrile rubber (HNBR), on high-temperature roller, the temperature of 100 DEG C is plasticated, ensure completely to melt and mix in proportion with modified butadiene acrylonitrile rubber (HNBR) again, carry out mixing, in epoxy glue, add nano-calcium carbonate and nano carbon black reinforcement and promote sulfuration, in the epoxy glue of 30Kg, add the hydroxyl terminated butyl nitrile (HTBN) of 4phr as solubilizer, adding therein 3% DBP is softening agent, add therein 3% ZnO activating agent and 2% PK auxiliary agent,
(2) drawing on boring machine wide outer narrow groove 2 in some of the metal-back inwall broach-millings of stator 1 with forming cutter, will obtain rubber 3 in step 1 and inject the metal shell inwall of stator 1, as shown in Figure 1;
(3) Ultrasonic Arc Sprayed is carried out in the surface of rotor, power transmission shaft and universal drive shaft, the scorification under short circuiting arc effect of tungsten carbide wc-Co10Cr4 powder is become to particle, impact formation atomized particles through supersonic speed and be deposited on rotor, universal drive shaft, power transmission shaft matrix surface, form 6mm antiseptic wearable coat, atomization air flow speed 650m/s, particle rapidity 420m/s;
(4) stator, rotor, power transmission shaft and universal drive shaft are assembled and obtained the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion.
Claims (1)
1. the processing technology of the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion, is characterized in that: processing step is as follows:
(1) by 10%-20% modified butadiene acrylonitrile rubber (HNBR), 20%-30% phenolic resins, 20%-30% nylon PA610 and 30%-35% nylon PA612 mix, at phenolic resins, nylon PA610, nylon PA612 needed first to plastify before mixing with modified butadiene acrylonitrile rubber (HNBR), on high-temperature roller, the temperature of 70 DEG C-160 DEG C is plasticated, ensure completely to melt and mix in proportion with modified butadiene acrylonitrile rubber (HNBR) again, carry out mixing, in epoxy glue, add nano-calcium carbonate and nano carbon black reinforcement and promote sulfuration, in the epoxy glue of 30Kg, add the hydroxyl terminated butyl nitrile (HTBN) of 3phr-5phr as solubilizer, the DBP that adds therein 2%-4% is softening agent, add therein the ZnO activating agent of 3%-4% and the PK auxiliary agent of 2%-3%,
(2) drawing on boring machine wide outer narrow groove (2) in some of the metal-back inwall broach-millings of stator (1) with forming cutter, will obtain rubber (3) in step 1 and inject the metal shell inwall of stator (1);
(3) Ultrasonic Arc Sprayed is carried out in the surface of rotor, power transmission shaft and universal drive shaft, the scorification under short circuiting arc effect of tungsten carbide wc-Co10Cr4 powder is become to particle, impact formation atomized particles through supersonic speed and be deposited on rotor, universal drive shaft, power transmission shaft matrix surface, form 5mm-7.5mm antiseptic wearable coat, atomization air flow speed 650m/s, particle rapidity 420m/s;
(4) stator, rotor, power transmission shaft and universal drive shaft are assembled and obtained the heat-resisting change helicoid hydraulic motor of degumming preventing anticorrosion.
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| CN201410236606.5A CN104018791B (en) | 2014-05-30 | 2014-05-30 | The processing technology of the degumming preventing anticorrosion helicoid hydraulic motor of resistance to thermal change |
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| CN201410236606.5A CN104018791B (en) | 2014-05-30 | 2014-05-30 | The processing technology of the degumming preventing anticorrosion helicoid hydraulic motor of resistance to thermal change |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110005336A (en) * | 2019-04-09 | 2019-07-12 | 盐城华亚石油机械制造有限公司 | A kind of coal bed gas Special wear-resistant efficient screw drill tool and processing technology |
| CN110107222A (en) * | 2019-03-26 | 2019-08-09 | 盐城华亚石油机械制造有限公司 | A kind of high sulfur crude gas well special anti-corrosion degumming preventing helicoid hydraulic motor and processing technology |
| CN113090181A (en) * | 2021-04-29 | 2021-07-09 | 江苏华亚石油机械制造有限公司 | Salt-resistant and high-temperature-resistant screw drilling tool special for carbonate oil-gas layer and machining process |
| CN113236114A (en) * | 2021-04-29 | 2021-08-10 | 江苏华亚石油机械制造有限公司 | Special high-temperature-resistant high-pressure-resistant corrosion-resistant screw drilling tool for ultra-deep oil and gas reservoir and machining process |
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| CN102386692A (en) * | 2011-09-02 | 2012-03-21 | 西南石油大学 | Ball filling screw drill stator and processing technology |
| CN202260662U (en) * | 2011-10-09 | 2012-05-30 | 西南石油大学 | Hydraulic forming equal wall-thickness screw stator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107222A (en) * | 2019-03-26 | 2019-08-09 | 盐城华亚石油机械制造有限公司 | A kind of high sulfur crude gas well special anti-corrosion degumming preventing helicoid hydraulic motor and processing technology |
| CN110107222B (en) * | 2019-03-26 | 2021-05-04 | 盐城华亚石油机械制造有限公司 | Special anti-corrosion and anti-glue-dropping screw drilling tool for high-sulfur-content oil and gas well and machining process |
| CN110005336A (en) * | 2019-04-09 | 2019-07-12 | 盐城华亚石油机械制造有限公司 | A kind of coal bed gas Special wear-resistant efficient screw drill tool and processing technology |
| CN113090181A (en) * | 2021-04-29 | 2021-07-09 | 江苏华亚石油机械制造有限公司 | Salt-resistant and high-temperature-resistant screw drilling tool special for carbonate oil-gas layer and machining process |
| CN113236114A (en) * | 2021-04-29 | 2021-08-10 | 江苏华亚石油机械制造有限公司 | Special high-temperature-resistant high-pressure-resistant corrosion-resistant screw drilling tool for ultra-deep oil and gas reservoir and machining process |
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