CN104612945B - Ternary composite drive well antiscale oil pumping system - Google Patents
Ternary composite drive well antiscale oil pumping system Download PDFInfo
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- CN104612945B CN104612945B CN201410846493.0A CN201410846493A CN104612945B CN 104612945 B CN104612945 B CN 104612945B CN 201410846493 A CN201410846493 A CN 201410846493A CN 104612945 B CN104612945 B CN 104612945B
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Abstract
The invention provides a kind of Ternary composite drive well antiscale oil pumping system, effectively prevent dirty matter from depositing, avoid the generation of holddown phenomenon in oil pumping process, reduce the inspection and maintenance cost of oil production equipment, carrying out smoothly of favourable guarantee oil producing operation.Described Ternary composite drive well antiscale oil pumping system, comprise the sucker rod, the hollow slide bar that arrange in medicine adding device, priming device, oil well pump, oil pipe and oil pipe, described priming device top is connected with the dosing pipeline of medicine adding device by threeway, bottom is connected with the sucker rod of hollow-core construction and lower end is packaged with and fills in stifled, and priming device inside is provided with through reservoir channel; Described oil well pump comprises pump barrel assembly, plunger piston assembly and standing valve assembly, the upper and lower end of oil well pump is connected with overstriking oil pipe, tail pipe respectively by box cupling, standing valve cover, hollow slide bar in described oil pipe is provided with scale prevention device, and scale prevention device comprises Gua Gou mechanism and keeps off dirt, Zhu Gou mechanism.
Description
Technical field
The present invention relates to oil exploration equipment technical field, be specifically related to a kind of Ternary composite drive well antiscale oil pumping system.
Background technique
At present, for the oil field entering mid-later development phase, in petroleum production process, in order to further stabilized crude (oil) output, improve oil recovery factor, extensive use ASP Oil-Displacing Technology.The application of ASP Oil-Displacing Technology, although improve the recovery rate in oil field, but the salt mixing dirts such as calcium silicate, calcium carbonate, magnesium carbonate can be formed in the fluid of extraction, during oil well pump work, dirty matter in oil pipe or sand grains easily enter plunger and pump barrel matching gap, be deposited on the surface of sucker rod, oil pipe, oil well pump, fouling makes the gap of oil pump sleeve and plunger diminish gradually, oil pump plunger piston dirt card is frequent, pump detection period shortens, cause manufacturing efficiency reduction, cost increase, bring very large difficulty to oil field operation.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of Ternary composite drive well antiscale oil pumping system, effectively prevent dirty matter from depositing, avoid the generation of holddown phenomenon in oil pumping process, reduce the inspection and maintenance cost of oil production equipment, carrying out smoothly of favourable guarantee oil producing operation.
For achieving the above object, the technical solution used in the present invention is:
Ternary composite drive well antiscale oil pumping system, comprise the sucker rod, the hollow slide bar that arrange in medicine adding device, priming device, oil well pump, oil pipe and oil pipe, described priming device top is connected with the dosing pipeline of medicine adding device by threeway, bottom is connected with the sucker rod of hollow-core construction and lower end is packaged with and fills in stifled, and priming device inside is provided with through reservoir channel; Described oil well pump comprises pump barrel assembly, plunger piston assembly and standing valve assembly, the upper and lower end of oil well pump is connected with overstriking oil pipe, tail pipe respectively by box cupling, standing valve cover, hollow slide bar in described oil pipe is provided with scale prevention device, and scale prevention device comprises Gua Gou mechanism and keeps off dirt, Zhu Gou mechanism.
As further restriction of the present invention, described priming device comprises the fluid injection plunger of polished rod, threeway, fluid injection pump barrel and internal engagement thereof, threeway, gap between fluid injection pump barrel and fluid injection plunger form reservoir channel, fluid injection plunger sidepiece is provided with the insecticide-spraying hole be communicated with reservoir channel, and the linkage section of polished rod and threeway, fluid injection pump barrel and fluid injection plunger is equipped with seal ring.
Wherein, described Gua Gou mechanism comprises upper one-way valve, the lower one-way valve the scraping dirty impeller and be connected with hollow slide bar respectively that are located on hollow slide bar, scrape dirty wheel rotation to be installed on hollow slide bar and its outer rim is provided with helical blade, the gap of adjoining spiral blade forms helical flow path, and upper one-way valve, lower one-way valve are provided with inside and outside through insecticide-spraying hole.
Described Gua Gou mechanism is provided with at least one group on hollow slide bar.
It is outside that described upper one-way valve top is connected with hollow rod, bottom is set in hollow slide bar, and lower one-way valve is installed on hollow slide bar lower end and is provided with shutoff.
Described hollow slide bar stage casing is provided with slide bar box cupling, and slide bar box cupling is provided with inside and outside through insecticide-spraying hole.
Wherein, described gear dirt, Zhu Gou mechanism comprise gear dirt cover, store dirty pipe nipple and heavy wall box cupling, store dirty pipe nipple upper end open and seal and be provided with gear dirt cover, keeping off the dirty enclosure is loaded on the hollow slide bar body of rod, the upper and lower pump barrel connecting overstriking oil pipe, pump barrel assembly respectively of heavy wall box cupling, stores dirty pipe nipple, heavy wall box cupling and overstriking oil pipe and forms the dirty cavity of annular storage.
Described standing valve assembly comprises standing valve cover, fixed valve ball and fixed valve base, and standing valve cover top connects pump barrel, the bottom union tail of pump barrel assembly, and fixed valve ball and fixed valve base are installed on standing valve cover inside.
The dosing pipeline that described medicine adding device comprises medicine storing pot, dosing pump and is connected with priming device, dosing pipeline is provided with dosing valve.
The pump barrel internal surface of described pump barrel assembly and the outer plunger surface of plunger piston assembly are coated with coating-plating layer.
Beneficial effect of the present invention is according to known to describing of such scheme:
1) above-mentioned Ternary composite drive well antiscale oil pumping system, be the priming device of oil well dosing design specialized, priming device is connected with the sucker rod of hollow-core construction, is convenient to the injection of boiler compound, scale remover;
2) Gua Gou mechanism and Dang Gouzhugou mechanism are set, scrape the upper and lower reciprocal operation in oil pipe interval of dirty impeller in oil pumping process, scrape dirty impeller and rotate along with the impact of flowing oil, effectively can strike off the dirty matter of tube inner wall; The gear dirt of Dang Gou mechanism, Zhu Gou mechanism covers, store dirty pipe nipple, oil pipe and heavy wall box cupling forms the toroidal cavity can depositing dirty matter, effectively prevents dirty matter from entering into the oil well pump of oil well lower end, reduces the oil well failure because dirty matter produces;
3) described anti-scaling oil-well pump is hollow structure, and medicament can inject conveniently by fluid injection plunger, prevents dirty matter from depositing; Medicament can be sprayed by insecticide-spraying hole, is sprayed on pump barrel inwall, effectively removes dirty matter;
4) the upper one-way valve arranged, lower one-way valve can prevent fluid from entering into the cavity at medicament place;
5) outer plunger surface and pump barrel internal surface are coated with coating-plating layer, reduce the combination force of dirty matter and plunger, pump barrel, make that plunger is easier to depart from from pump barrel, prevent holddown from improving the scurf resistance of pump simultaneously.
Accompanying drawing explanation
Fig. 1 is the antiscale oil pumping system overall structure schematic diagram of the embodiment of the present invention 1;
Be labeled as in figure: 1, medicine storing pot; 2, dosing pump; 3, dosing valve; 4, polished rod; 5, seal ring; 6, threeway; 7, fluid injection pump barrel; 8, fluid injection plunger; 9, plug is stifled; 10, sucker rod; 11, overstriking oil pipe; 12, upper one-way valve; 13, dirty impeller is scraped; 14, hollow slide bar; 15, gear dirt cover; 16, dirty pipe nipple is store; 17, slide bar box cupling; 18, heavy wall box cupling; 19, plunger; 20, pump barrel; 21, lower one-way valve; 22, standing valve cover; 23, fixed valve base; 24, fixed valve ball; 25, tail pipe.
Embodiment
For clearly demonstrating technical characterstic of the present invention, below by embodiment, and by reference to the accompanying drawings the present invention program is described in detail.
Ternary composite drive well antiscale oil pumping system, comprise the sucker rod 10, the hollow slide bar 14 that arrange in medicine adding device, priming device, oil well pump, oil pipe and oil pipe, described priming device top is connected with the dosing pipeline of medicine adding device by threeway 6, bottom is connected with the sucker rod 10 of hollow-core construction and lower end is packaged with and fills in stifled 9, and priming device inside is provided with through reservoir channel; Described oil well pump comprises pump barrel assembly, plunger piston assembly and standing valve assembly, the structure of pump barrel assembly, plunger piston assembly adopts prior art, the upper and lower end of oil well pump is connected with overstriking oil pipe 11, tail pipe 25 respectively by box cupling, standing valve cover 22, hollow slide bar 14 in described oil pipe is provided with scale prevention device, and scale prevention device comprises Gua Gou mechanism and keeps off dirt, Zhu Gou mechanism.
Above-mentioned priming device comprises the fluid injection plunger 8 of polished rod 4, threeway 6, fluid injection pump barrel 7 and internal engagement thereof, threeway 6, gap between fluid injection pump barrel 7 and fluid injection plunger 8 form reservoir channel, fluid injection plunger 8 sidepiece is provided with the insecticide-spraying hole be communicated with reservoir channel, and polished rod 4 is equipped with seal ring 5 with threeway 6, fluid injection pump barrel 7 with the linkage section of fluid injection plunger 8.
Wherein, described Gua Gou mechanism comprises the upper one-way valve 12 scraped dirty impeller 13 and be connected with hollow slide bar 14 be respectively located on hollow slide bar 14, lower one-way valve 21, scrape dirty impeller 13 to rotate and to be installed on hollow slide bar 14 and its outer rim is provided with helical blade, the gap of adjoining spiral blade forms helical flow path, upper one-way valve 12 top is connected with hollow rod 10, it is outside that bottom is set in hollow slide bar 14, lower one-way valve 21 is installed on hollow slide bar 14 lower end and is provided with shutoff, upper one-way valve 12, in lower one-way valve 21 is provided with, insecticide-spraying hole through outward, described hollow slide bar 14 stage casing is provided with slide bar box cupling 17, in slide bar box cupling 17 is provided with, insecticide-spraying hole through outward, described gear dirt, Zhu Gou mechanism comprise gear dirt cover 15, store dirty pipe nipple 16 and heavy wall box cupling 18, store dirty pipe nipple 16 upper end open and seal and be provided with gear dirt cover 15, gear dirt cover 15 is set on hollow slide bar 14 body of rod, heavy wall box cupling 18 is upper and lower connects overstriking oil pipe 11, pump barrel 20 respectively, stores dirty pipe nipple 16, heavy wall box cupling 18 and overstriking oil pipe 11 and forms the dirty cavity of annular storage.Scrape the upper and lower reciprocal operation in oil pipe interval of dirty impeller 13 in oil pumping process, scrape dirty impeller 13 and rotate along with the impact of flowing oil, effectively can strike off the dirty matter of tube inner wall; The gear dirt of Dang Gou mechanism, Zhu Gou mechanism covers 15, stores the toroidal cavity that the formation of dirty pipe nipple 16, oil pipe and heavy wall box cupling 18 can deposit dirty matter, effectively prevents dirty matter from entering into the oil well pump of oil well lower end, reduces the oil well failure because dirty matter produces.
Above-mentioned Gua Gou mechanism is provided with at least one group on hollow slide bar 14.
Wherein, described standing valve assembly comprises standing valve cover 22, fixed valve ball 24 and fixed valve base 23, and standing valve cover 22 top connects pump barrel 20, the bottom union tail 25 of pump barrel assembly, and it is inner that fixed valve ball 24 and fixed valve base 23 are installed on standing valve cover 22.
Wherein, the dosing pipeline that described medicine adding device comprises medicine storing pot 1, dosing pump 2 and is connected with priming device, dosing pipeline is provided with dosing valve 3.
Wherein, pump barrel 20 internal surface of described pump barrel assembly and plunger 19 outer surface of plunger piston assembly are coated with coating-plating layer, to reduce the combination force of dirty matter and plunger 19, pump barrel 20, make that plunger 19 is easier to depart from from pump barrel 20, prevent holddown from improving the scurf resistance of pump simultaneously.
In above-described embodiment, better embodiment of the present invention is described, obviously, under inventive concept of the present invention, still can make a lot of change.At this, should illustrate, any change made under inventive concept of the present invention all will fall within the scope of protection of the present invention.
Claims (10)
1. Ternary composite drive well antiscale oil pumping system, comprise the sucker rod, the hollow slide bar that arrange in medicine adding device, priming device, oil well pump, oil pipe and oil pipe, it is characterized in that, described priming device top is connected with the dosing pipeline of medicine adding device by threeway, bottom is connected with the sucker rod of hollow-core construction and lower end is packaged with and fills in stifled, and priming device inside is provided with through reservoir channel; Described oil well pump comprises pump barrel assembly, plunger piston assembly and standing valve assembly, the upper and lower end of oil well pump is connected with overstriking oil pipe, tail pipe respectively by box cupling, standing valve cover, hollow slide bar in described oil pipe is provided with scale prevention device, and scale prevention device comprises Gua Gou mechanism and keeps off dirt, Zhu Gou mechanism.
2. Ternary composite drive well antiscale oil pumping system according to claim 1, it is characterized in that, described priming device comprises the fluid injection plunger of polished rod, threeway, fluid injection pump barrel and internal engagement thereof, threeway, gap between fluid injection pump barrel and fluid injection plunger form reservoir channel, fluid injection plunger sidepiece is provided with the insecticide-spraying hole be communicated with reservoir channel, and the linkage section of polished rod and threeway, fluid injection pump barrel and fluid injection plunger is equipped with seal ring.
3. Ternary composite drive well antiscale oil pumping system according to claim 1, it is characterized in that, described scale prevention device Gua Gou mechanism comprises upper one-way valve, the lower one-way valve the scraping dirty impeller and be connected with hollow slide bar respectively that are located on hollow slide bar, scrape dirty wheel rotation to be installed on hollow slide bar and its outer rim is provided with helical blade, the gap of adjoining spiral blade forms helical flow path, and upper one-way valve, lower one-way valve are provided with inside and outside through insecticide-spraying hole.
4. Ternary composite drive well antiscale oil pumping system according to claim 3, is characterized in that, described Gua Gou mechanism is provided with at least one group on hollow slide bar.
5. the antiscale oil pumping system of the Ternary composite drive well according to claim 3 or 4, is characterized in that, it is outside that described upper one-way valve top is connected with hollow rod, bottom is set in hollow slide bar, and lower one-way valve is installed on hollow slide bar lower end and is provided with shutoff.
6. the antiscale oil pumping system of the Ternary composite drive well according to claim 3 or 4, is characterized in that, described hollow slide bar stage casing is provided with slide bar box cupling, and slide bar box cupling is provided with inside and outside through insecticide-spraying hole.
7. Ternary composite drive well antiscale oil pumping system according to claim 1, it is characterized in that, described gear dirt, Zhu Gou mechanism comprise gear dirt cover, store dirty pipe nipple and heavy wall box cupling, store dirty pipe nipple upper end open and seal and be provided with gear dirt cover, keeping off the dirty enclosure is loaded on the hollow slide bar body of rod, the upper and lower pump barrel connecting overstriking oil pipe, pump barrel assembly respectively of heavy wall box cupling, stores dirty pipe nipple, heavy wall box cupling and overstriking oil pipe and forms the dirty cavity of annular storage.
8. Ternary composite drive well antiscale oil pumping system according to claim 1 and 2, it is characterized in that, described standing valve assembly comprises standing valve cover, fixed valve ball and fixed valve base, standing valve cover top connects pump barrel, the bottom union tail of pump barrel assembly, and fixed valve ball and fixed valve base are installed on standing valve cover inside.
9. the Ternary composite drive well antiscale oil pumping system according to claim 1 or 2 or 3 or 7, is characterized in that, dosing pipeline is provided with dosing valve to the dosing pipeline that described medicine adding device comprises medicine storing pot, dosing pump and is connected with priming device.
10. the Ternary composite drive well antiscale oil pumping system according to claim 1 or 2 or 3 or 7, is characterized in that, the pump barrel internal surface of described pump barrel assembly and the outer plunger surface of plunger piston assembly are coated with coating-plating layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410846493.0A CN104612945B (en) | 2014-12-31 | 2014-12-31 | Ternary composite drive well antiscale oil pumping system |
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| CN201410846493.0A CN104612945B (en) | 2014-12-31 | 2014-12-31 | Ternary composite drive well antiscale oil pumping system |
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| CN104612945A CN104612945A (en) | 2015-05-13 |
| CN104612945B true CN104612945B (en) | 2016-03-23 |
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| CN106761563A (en) * | 2016-11-25 | 2017-05-31 | 中国石油天然气股份有限公司 | A kind of sleeve pipe stain eliminating technology for ternary composite drive produced well |
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| US20080011487A1 (en) * | 2006-07-13 | 2008-01-17 | Blackhawk Environmental Co. | Drive piston and foot valve seat |
| CN201666245U (en) * | 2010-03-26 | 2010-12-08 | 王玉雷 | Anti-fouling and sand-proof oil pump |
| CN201705319U (en) * | 2010-06-21 | 2011-01-12 | 中国石油天然气股份有限公司 | Skid-mounted closed dosing device |
| CN202579126U (en) * | 2012-06-01 | 2012-12-05 | 赵立地 | Novel oil well pump |
| CN202789505U (en) * | 2012-10-09 | 2013-03-13 | 李世銮 | Oil well pump capable of cleaning scaling automatically |
| CN203626761U (en) * | 2013-12-20 | 2014-06-04 | 秦洁强 | Novel agent adding and viscosity reducing hollow oil extraction tubular column device |
| CN204436758U (en) * | 2014-12-31 | 2015-07-01 | 山东九环石油机械有限公司 | Ternary composite drive well antiscale oil pumping system |
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