CN203978384U - Preheat aeration de-plugging of well device systems - Google Patents
Preheat aeration de-plugging of well device systems Download PDFInfo
- Publication number
- CN203978384U CN203978384U CN201420235355.4U CN201420235355U CN203978384U CN 203978384 U CN203978384 U CN 203978384U CN 201420235355 U CN201420235355 U CN 201420235355U CN 203978384 U CN203978384 U CN 203978384U
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- plugging
- car
- heating
- aeration
- injection pump
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- Expired - Lifetime
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- 238000005273 aeration Methods 0.000 title claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 20
- 238000013019 agitation Methods 0.000 claims abstract description 13
- 239000003129 oil well Substances 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000004913 activation Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 11
- 239000000126 substance Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000001802 infusion Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000002844 melting Methods 0.000 abstract description 4
- 230000008018 melting Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 6
- 239000001993 wax Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000005144 thermotropism Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Wind Motors (AREA)
Abstract
Preheat aeration de-plugging of well device systems, tank car or Agitation Tank (1), heating pump truck (2), fluid reservoir (3), high head injection pump car (4) are connected by pipeline successively with well mouth of oil well device (6); Press windmill (5) to access on the pipeline between high head injection pump car (4) and wellhead assembly (6) by threeway, access point is greater than 3 times of distance of wellhead assembly (6) to the distance of high head injection pump car (4), access point is as far as possible near well head.The heating-up temperature of heating pump truck (3) is made as design temperature, improves the activation energy of blockages relieving fluid reaction, and melting wax, heat are washed obstruction, can also accelerate to mix air and produce cavitation effect; At the tail end of infusion process, by pressing windmill (5) to mix air toward blockages relieving fluid, air is heated on stratum, expands, effusion, debacle, and cavitation effect occurs, and peels off obstruction, assistant chemical de-plugging; Physics de-plugging and chemical plugging removal effect organically combine, and promote overall de-plugging effect.
Description
Technical field
The utility model relates to oil exploitation auxiliary equipment device, especially preheats aeration de-plugging of well device systems.
Background technology
In oilfield development process, along with the decline of reservoir pressure and temperature and separating out of solution gas, in crude oil, formation rock skeleton surface can be separated out and be deposited on to the polymer substance such as contained paraffin, colloid and pitch gradually; Microbes Fast-propagation in the time that temperature drops to optimum range in oil reservoir also produces a large amount of metabolites, adheres to, is deposited on formation rock skeleton surface.These obstructions can stop up formation pore, cause reservoir permeability to reduce, and oil well output declines.And this obstruction in the area that approaches oil well is particularly serious.
Conventionally removing oil well by de-plugging measure operation stops up.Be main obstruction for organic matter, generally adopt the localized hyperthermia that organic solvent cleans or chemical heat generating agent produces to melt and the row of returning; Be main obstruction for bacterium, also can adopt high temperature to kill processing.The method of plug removal in oil and water well is mainly divided into two large classes, and a class is chemical method, and a class is physical method, but respectively has pluses and minuses.
Utility model content
The purpose of this utility model is to provide one and preheats aeration de-plugging of well device, adopts the de-plugging of physical method assistant chemical, improves de-plugging of well working effect and quality.
The purpose of this utility model will realize by following technical measures: mainly comprise tank car or Agitation Tank, heating pump truck, fluid reservoir, high head injection pump car, press windmill.Tank car or Agitation Tank, heating pump truck, fluid reservoir, high head injection pump car, well mouth of oil well device connect successively by pipeline; Press windmill to access on the pipeline between high head injection pump car and wellhead assembly by threeway.
Especially, after tank car or Agitation Tank, access the heating pump truck for heating blockages relieving fluid.
Especially, the heating-up temperature of heating pump truck is made as design temperature, improves the activation energy of blockages relieving fluid reaction, and melting wax, heat are washed obstruction, can also accelerate to mix air and produce cavitation effect.
Especially, press windmill to access on the pipeline between high head injection pump car and wellhead assembly by threeway, access point is greater than 3 times of distance of wellhead assembly to the distance of high head injection pump car, and access point is near well head.Allow gas-liquid mixture enter as early as possible pit shaft and formation function in the region that needs de-plugging, the air mixing expands on stratum, overflows, bubble breaks, and produces the de-plugging of cavitation effect assistant chemical.
Especially, the operating pressure of pump truck and pressure windmill matches.
Advantage of the present utility model and effect: heating pump truck heating blockages relieving fluid, the chemical reaction velocity of quickening blockages relieving fluid, melting wax, heat are washed obstruction, can also accelerate to mix air and produce cavitation effect; Press windmill to mix air to blockages relieving fluid, the blockages relieving fluid of heating causes cavitation effect on stratum, effectively peels off obstruction; Physics de-plugging and chemical plugging removal effect organically combine, and promote overall de-plugging effect.System adopts oil field conventional equipment, installation, operation, easy to maintenance.Be applicable to the well stimulation such as de-plugging of well, viscosity reduction, clear wax control, can extend measure interval time, reduce production suspension induced losses, effect is remarkable.
Brief description of the drawings
Fig. 1 is the utility model embodiment 1 structural representation.
Reference numeral comprises: tank car or Agitation Tank 1, heating pump truck 2, fluid reservoir 3, high head injection pump car 4, pressure windmill 5, well mouth of oil well device 6.
Detailed description of the invention
The utility model principle is, makes full use of oil field conventional equipment, by heating blockages relieving fluid, improves blockages relieving fluid activation energy, promotes de-plugging reaction, and melting wax, heat are washed obstruction; Press windmill to heating after blockages relieving fluid in mix air, make blockages relieving fluid produce cavitation effect on stratum, effectively peel off obstruction; Physics de-plugging and the combination of chemical plugging removal effect machine, promote overall de-plugging effect.
The utility model mainly comprises: tank car or Agitation Tank 1, heating pump truck 2, fluid reservoir 3, high head injection pump car 4, pressure windmill 5, well mouth of oil well device 6.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, tank car or Agitation Tank 1, heating pump truck 2, fluid reservoir 3, high head injection pump car 4 are connected by pipeline successively with well mouth of oil well device 6; Press windmill 5 access on the pipeline between high head injection pump car 4 and wellhead assembly 6 by threeway, access point is greater than 3 times of distance of wellhead assembly 6 to the distance of high head injection pump car 4, i.e. the access point close well head of trying one's best.Heating pump truck 2 heating-up temperatures are design setting temperature, and higher than the temperature of fouling wax deposition point, press in windmill 3 thermotropism blockages relieving fluids and be pressed into air, and pump truck 5 is by the injection of design discharge capacity.
In aforementioned, heating pump truck 2 is the conventional paraffin removal unit in oil field, and scene is commonly called as deep fat car.
In aforementioned, press the access point of windmill as far as possible near well head.
In aforementioned, high head injection pump car 5 is fluid injection pump truck, according to design pressure, blockages relieving fluid is injected to stratum along pipe.
In aforementioned, pressing windmill 6 is vehicle-mounted blast machine equipment, and air amount is also pressed into blockages relieving fluid.
When the utility model work, blockages relieving fluid is shipped from make-up station by tank car 1, or on-the-spot preparation in Agitation Tank, after 2 heating of heating pump truck, pump into fluid reservoir 3, high head injection pump 4 enters wellhead assembly 6 through pipeline by the blockages relieving fluid pumping in fluid reservoir 3, press windmill 5 that air is pressed into blockages relieving fluid, the mixed stratum of injecting of gas-liquid; The heating-up temperature of heating pump truck 2 is set as design temperature; Make it to produce cavitation by air capacity and the downhole temperature of controlling blockages relieving fluid.
The concrete implementation step of the utility model:
1, before construction, prepare: check that well head, pit shaft meet execution conditions; Connect ground installation and pipeline; Detect high pressure pipe joint and each parts, pipeline is carried out to pressure testing, guarantee that pipeline pressure-bearing is qualified.
2, blockages relieving fluid preparation: prepare blockages relieving fluid or draw liquid to scene from make-up station tank car in Agitation Tank by component design and liquid measure.
3, blockages relieving fluid heating: start heating pump truck, extract blockages relieving fluid and be heated to design temperature from tank car or Agitation Tank, be stored in fluid reservoir;
4, opening high head injection pump car injects into well blockages relieving fluid: inject 15min by the design discharge capacity of pump, then start and press windmill, slowly aeration reaches design air entrainment, and the 0.3%-1.2% that total air entrainment is liquid measure, also can design point 2,3 aeratings.In aeration process, observe wellhead back pressure and change, when wellhead back pressure reduces after 3MPa, reduce air entrainment; In the time that wellhead back pressure no longer changes, stop aeration and by normal infusion.If stratum imbibition difficulty, can suitably improve infusion pressure; If pressure reaches still feed liquor not of the highest pressure limiting, should stop infusion, infusion again after immersion 10min-20min with pressure.In whole work progress, pump pressure is controlled in the highest pressure limiting.Construction finishes, the row of returning after closing well reaction half an hour; Raffinate enters tank car, and process roping to appointed place.
In the utility model, the feature of stopping up according to oil well, the operation of choose reasonable pump truck.In work progress, press feedback and technological requirement transformation to inject according to oil jacket, cause vibration wave, cause solia particle or emulsion droplet vibration in stratum, make its desorption or breakdown of emulsion coalescence, remove formation blockage, dredging stratum filtration passage.In the time that energy is enough, the TRANSIENT HIGH TEMPERATURE high pressure producing due to cavitation effect can make stratum produce microfissure to improve in-place permeability, make crude oil C-C bond fission and reduce Crude viscosity, further improve oil relative permeability.In liquid stream flow at high speed, also there is complicated cavitation flow phenomenon, the generation of cavity, develop and the process that crumbles and fall in exist thermomechanical effect and bring out the best in each other by heating power and high velocity stream.
The advantage of the present embodiment compared with the conventional de-plugging of well equipment system in oil field is: increased the pressure windmill 5 that heats the heating pump truck 2 of blockages relieving fluid and be pressed into air to blockages relieving fluid.Wherein, the advantage that increases heating pump truck 2 is: improve blockages relieving fluid activation energy, promote that chemical reaction carries out, hot melt wax, heat are washed Organic Material Blocking, are conducive to produce cavitation effect, and three aspects: is favourable each other, collaborative de-plugging; Increase and press the advantage of windmill 5 to be: increase gas flow and bring out cavitation effect, the effect of cooperatively interacting of temperature and gas flow, the potential safety hazard of avoiding long-time operations involving high pressure to cause.The power that pumps into that does not change pump truck 5, pump truck 5 discharge capacities are larger, are applicable to removing the obstruction of near wellbore zone.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.The application cannot give exhaustive to all embodiments.And these belong to apparent variation that spirit of the present utility model extended out or variation still among the protection domain in the application.
Claims (5)
1. preheat aeration de-plugging of well device systems, comprise tank car or Agitation Tank (1), heating pump truck (2), fluid reservoir (3), high head injection pump car (4), press windmill (5), it is characterized in that: tank car or Agitation Tank (1), heating pump truck (2), fluid reservoir (3), high head injection pump car (4) are connected by pipeline successively with well mouth of oil well device (6); Press windmill (5) to access on the pipeline between high head injection pump car (4) and wellhead assembly (6) by threeway.
2. the aeration de-plugging of well device systems that preheats as claimed in claim 1, is characterized in that, heating pump truck (2) is connected with tank car or Agitation Tank (1).
3. the aeration de-plugging of well device systems that preheats as claimed in claim 1, is characterized in that, heating pump truck (2) heating blockages relieving fluid, and the chemical reaction velocity of quickening blockages relieving fluid, realizes physical thermal to obstruction simultaneously and washes; It is that base area layer original temperature, de-plugging agent activation energy comprehensive consideration are determined that deep fat car (2) heating-up temperature is set, and higher than the temperature of fouling wax deposition point.
4. the aeration de-plugging of well device systems that preheats as claimed in claim 1, is characterized in that, high head injection pump car (4) discharge capacity is by designing requirement work.
5. the aeration de-plugging of well device systems that preheats as claimed in claim 1, it is characterized in that, by pressing windmill to blockages relieving fluid aeration, bring out cavitation effect, press windmill (5) to access on the pipeline between high head injection pump car (4) and wellhead assembly (6) by threeway, access point is greater than 3 times of distance of wellhead assembly (6) to the distance of high head injection pump car (4), be access point as far as possible near well head, ensure in air Injection well and produce Cavitation having in the pit shaft of obstruction and stratum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235355.4U CN203978384U (en) | 2014-05-04 | 2014-05-04 | Preheat aeration de-plugging of well device systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235355.4U CN203978384U (en) | 2014-05-04 | 2014-05-04 | Preheat aeration de-plugging of well device systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978384U true CN203978384U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420235355.4U Expired - Lifetime CN203978384U (en) | 2014-05-04 | 2014-05-04 | Preheat aeration de-plugging of well device systems |
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| Country | Link |
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| CN (1) | CN203978384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401918A (en) * | 2015-10-23 | 2016-03-16 | 克拉玛依新科澳石油天然气技术股份有限公司 | Oil well cavitation method physicochemical heat blockage relieving technology |
| CN105986771A (en) * | 2015-02-11 | 2016-10-05 | 谢晓峰 | Continuous hydraulic negative pressure pulse plug removal system and use method thereof |
-
2014
- 2014-05-04 CN CN201420235355.4U patent/CN203978384U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986771A (en) * | 2015-02-11 | 2016-10-05 | 谢晓峰 | Continuous hydraulic negative pressure pulse plug removal system and use method thereof |
| CN105401918A (en) * | 2015-10-23 | 2016-03-16 | 克拉玛依新科澳石油天然气技术股份有限公司 | Oil well cavitation method physicochemical heat blockage relieving technology |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |