CN202788696U - Tubular column nitrogen foam san washing flushing device - Google Patents
Tubular column nitrogen foam san washing flushing device Download PDFInfo
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- CN202788696U CN202788696U CN 201220256468 CN201220256468U CN202788696U CN 202788696 U CN202788696 U CN 202788696U CN 201220256468 CN201220256468 CN 201220256468 CN 201220256468 U CN201220256468 U CN 201220256468U CN 202788696 U CN202788696 U CN 202788696U
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- sand washing
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Abstract
The utility model relates to the technical field of sand washing flushing, and provides a pipe column nitrogen foam san washing flushing device. The pipe column nitrogen foam sand washing flushing device comprises a tank truck, a pump truck, a foam generator, a nitrogen making pry, a sand washing well and a defoaming sand collector. An export of the tank truck is fixedly connected with an import of the pump truck through a first pipeline, an export of the pump truck is fixedly connected with a liquid inlet of the foam generator through the second pipeline, an air outlet of the nitrogen making pry is fixedly connected with an air inlet of the foam generator through a third pipeline, a sand washing pipe column is fixedly installed inside the sand washing well, and an export of the foam generator is fixedly connected with the upper end of the sand washing pipe column through a forth pipeline. The pipe column nitrogen foam sand washing flushing device has the advantages of being reasonable and tight in structure, convenient to use, and by the means of safely and rapidly achieving the sand washing flushing well operation by foam produced in the foam generator, capable of being provided with such features as lower construction site requirements and strong adaptability, capable of avoiding such sand washing flushing risk as loss, pollution and being unable to recycle, and capable of improving work efficiency.
Description
Technical field
The utility model relates to the sand-flushing technical field, is a kind of tubing string nitrogen foam sand-flushing device.
Background technology
Conventional tubing string nitrogen foam sand-flushing technique is exactly after nitrogen foam with produced on-site enters well and sets up the sand washing circulation, utilize the characteristics such as nitrogen foam density is low, viscosity is large, prop-carrying capacity is good under negative pressure state, to realize the well-flushing sand washing, thereby reaching the sand washing purpose that improves sand washing efficient, reduction operation pollution, reduces operating cost, will be the sand-flushing technique of oilfield exploitation exploitation middle and later periods very advantageous.Nitrogen foam sand-flushing technique is present novel sand-flushing technique, and nitrogen foam technique also can be widely used in the many-sides such as oil recovery, drilling well, acidifying, induced flow in addition.Its technological core is the utilization of nitrogen foam fluid system technology in the Oil/gas Well sand-flushing.The conventional sand washing process of using at present is owing to use industry water as the sand washing medium, have the shortcomings such as fluid density is non-adjustable, prop-carrying capacity is poor, so that the low weak effect of the sand washing efficient such as Absorption Wells of Low Pressure, even can not set up the sand washing circulation, can't reach good sand-flushing effect, often cause large quantity of fluid to enter the formation contaminant payzone, prolong and to reproduce the problems such as time, water ratio in oil well rising.
Summary of the invention
The utility model provides a kind of tubing string nitrogen foam sand-flushing device, has overcome the deficiency of above-mentioned prior art, and it can effectively solve existing apparatus sand-flushing weak effect and cause the problem that payzone pollutes, the time that reproduces is long and water ratio in oil well is high.
The technical solution of the utility model realizes by following measures: a kind of tubing string nitrogen foam sand-flushing device comprises tank truck, pump truck, foam maker, nitrogen sled processed, barrel blasting well and froth breaking mud settling tank; The outlet of tank truck is fixed together by the import of the first pipeline and pump truck, the outlet of pump truck is fixed together by the inlet of the second pipeline and foam maker, the gas outlet of nitrogen sled processed is fixed together by the air inlet port of the 3rd pipeline and foam maker, in barrel blasting well, be installed with sand-flushing pipe column, the outlet of foam maker is fixed together by the upper end of the 4th pipeline and sand-flushing pipe column, the outlet of barrel blasting well is fixed together by the import of the 5th pipeline and froth breaking mud settling tank, is installed with valve at the 3rd pipeline.
The below is the further optimization and/or improvements to above-mentioned utility model technical scheme:
The above-mentioned supercharging sled that between nitrogen processed sled and foam maker, is equipped with, the gas outlet of nitrogen sled processed is fixed together by the air inlet port of the 3rd pipeline and supercharging sled, the gas outlet of supercharging sled is fixed together by the air inlet port of the 3rd pipeline and foam maker, and the 3rd pipeline between supercharging sled and foam maker is installed with valve.
Above-mentionedly be installed with valve at the second pipeline.
Above-mentionedly be installed with valve at the first pipeline.
The utility model reasonable and compact in structure, easy to use, realize fast the purpose of sand-flushing operation by the foam security that produces in the foam maker, have and adaptable characteristics low to the job site conditional request, the sand-flushing risk of having avoided leakage, pollution and can't having circulated has improved operating efficiency.
Description of drawings
Accompanying drawing 1 is the process flow diagram of the utility model most preferred embodiment.
Coding in the accompanying drawing is respectively: 1 is tank truck, and 2 is pump truck, and 3 is foam maker, and 4 are nitrogen sled processed, and 5 is barrel blasting well, 6 is the froth breaking mud settling tank, and 7 is the first pipeline, and 8 is the second pipeline, and 9 is the 3rd pipeline, 10 is sand-flushing pipe column, and 11 is the 4th pipeline, and 12 is the 5th pipeline, and 13 are the supercharging sled.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description is described, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this tubing string nitrogen foam sand-flushing device comprises tank truck 1, pump truck 2, foam maker 3, nitrogen processed sled 4, barrel blasting well 5 and froth breaking mud settling tank 6; The outlet of tank truck 1 is fixed together by the import of the first pipeline 7 and pump truck 2, the outlet of pump truck 2 is fixed together by the inlet of the second pipeline 8 and foam maker 3, the gas outlet of nitrogen sled 4 processed is fixed together by the air inlet port of the 3rd pipeline 9 and foam maker 3, in barrel blasting well 5, be installed with sand-flushing pipe column 10, the outlet of foam maker 3 is fixed together by the upper end of the 4th pipeline 11 and sand-flushing pipe column 10, the outlet of barrel blasting well 5 is fixed together by the import of the 5th pipeline 12 and froth breaking mud settling tank 6, is installed with valve at the 3rd pipeline 9.Valve on the 3rd pipeline 9 is convenient to regulate flow and the pressure of nitrogen.By the gear of control pump truck 2 and the flow that rotating speed is regulated blowing agent.
Can according to actual needs, above-mentioned tubing string nitrogen foam sand-flushing device be made further optimization and/or improvements:
As shown in Figure 1, between nitrogen sled 4 processed and foam maker 3, supercharging sled 13 is installed, the gas outlet of nitrogen sled 4 processed is fixed together by the air inlet port of the 3rd pipeline 9 and supercharging sled 13, the gas outlet of supercharging sled 13 is fixed together by the air inlet port of the 3rd pipeline 9 and foam maker 3, and the 3rd pipeline 9 between supercharging sled 13 and foam maker 3 is installed with valve.Like this, supercharging sled 13 is convenient to out nitrogen in the nitrogen sled 4 processed is pressurizeed, supercharging prize 13 and foam maker 3 between the 3rd pipeline 9 on valve be convenient to regulate flow and the pressure of nitrogen.
As shown in Figure 1, be installed with valve at the second pipeline 8.Like this, the valve on the second pipeline 8 is convenient to regulate liquid and is entered flow and pressure in the foam maker 3.
As shown in Figure 1, be installed with valve at the first pipeline 7.Like this, the valve on the first pipeline 7 is convenient to regulate the flow that enters in the pump truck 2.
Above technical characterictic has consisted of most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, satisfies the demand of different situations.
The use procedure of the utility model most preferred embodiment: sand-flushing pipe column 10 is lowered to the above position of sand face by workover rig, start pump truck 2 and open the first pipeline 7 and the second pipeline 8 on valve, in foam maker 3, pump into blowing agent, start nitrogen sled 4 processed and supercharging sled 13, opening valve on the 3rd pipeline 9 behind the blowing agent flow speed stability in foam maker 3 makes nitrogen enter in the foam maker 3 and form foam, gear and rotating speed by control pump truck 2 are regulated the blowing agent flow, by controlling flow and the pressure of the valve regulated nitrogen on the 3rd pipeline 9, make the foam that in foam maker 3, forms reach certain density, the foam of certain density enters in the sand-flushing pipe column 10 by the 4th pipeline 11, enter annular space and promote in the annular space material such as dead oil by the sand flushing tool nozzle and return out to the outlet of barrel blasting well 5 and by the 5th pipeline 12 and enter in the froth breaking mud settling tank 6, circulation enough time termination of pumping car 2 and emptying nitrogen behind the oil pipe have been rushed, then control workover rig and be lowered to the increase of the single realization sand washing of another endowel increase sand washing degree of depth, the foam of again producing certain density carries out sand washing, until the circulation sand washing, exports foam to the artificial bottom of a well without sand.
Claims (5)
1. a tubing string nitrogen foam sand-flushing device is characterized in that comprising tank truck, pump truck, foam maker, nitrogen sled processed, barrel blasting well and froth breaking mud settling tank; The outlet of tank truck is fixed together by the import of the first pipeline and pump truck, the outlet of pump truck is fixed together by the inlet of the second pipeline and foam maker, the gas outlet of nitrogen sled processed is fixed together by the air inlet port of the 3rd pipeline and foam maker, in barrel blasting well, be installed with sand-flushing pipe column, the outlet of foam maker is fixed together by the upper end of the 4th pipeline and sand-flushing pipe column, the outlet of barrel blasting well is fixed together by the import of the 5th pipeline and froth breaking mud settling tank, is installed with valve at the 3rd pipeline.
2. tubing string nitrogen foam sand-flushing device according to claim 1, it is characterized in that between nitrogen sled processed and the foam maker supercharging sled being installed, the gas outlet of nitrogen sled processed is fixed together by the air inlet port of the 3rd pipeline and supercharging sled, the gas outlet of supercharging sled is fixed together by the air inlet port of the 3rd pipeline and foam maker, and the 3rd pipeline between supercharging sled and foam maker is installed with valve.
3. tubing string nitrogen foam sand-flushing device according to claim 1 and 2 is characterized in that being installed with valve on the second pipeline.
4. tubing string nitrogen foam sand-flushing device according to claim 1 and 2 is characterized in that being installed with valve on the first pipeline.
5. tubing string nitrogen foam sand-flushing device according to claim 3 is characterized in that being installed with valve on the first pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220256468 CN202788696U (en) | 2012-06-01 | 2012-06-01 | Tubular column nitrogen foam san washing flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220256468 CN202788696U (en) | 2012-06-01 | 2012-06-01 | Tubular column nitrogen foam san washing flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202788696U true CN202788696U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220256468 Expired - Fee Related CN202788696U (en) | 2012-06-01 | 2012-06-01 | Tubular column nitrogen foam san washing flushing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202788696U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165033A (en) * | 2013-05-17 | 2014-11-26 | 中国石油天然气集团公司 | Drilling fluid circulating system for nitrogen foam drilling |
| CN106014326A (en) * | 2016-05-23 | 2016-10-12 | 中国石油集团川庆钻探工程有限公司 | Sand washing system and sand washing process for cleaning sand deposition of nitrogen drilling wellhead blowout preventer |
| CN107975349A (en) * | 2016-10-21 | 2018-05-01 | 中国石油化工股份有限公司 | Oil field jet flow sand washing de-plugging fracturing wastewater processing unit and method |
| CN109488242A (en) * | 2018-11-20 | 2019-03-19 | 西南石油大学 | A kind of coiled tubing foam drilling mill bridge plug system and its process |
| CN110700777A (en) * | 2019-10-22 | 2020-01-17 | 东营汇聚丰石油科技有限公司 | System and method for flushing coal ash in coal-bed gas well by using nitrogen foam flushing fluid |
-
2012
- 2012-06-01 CN CN 201220256468 patent/CN202788696U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165033A (en) * | 2013-05-17 | 2014-11-26 | 中国石油天然气集团公司 | Drilling fluid circulating system for nitrogen foam drilling |
| CN106014326A (en) * | 2016-05-23 | 2016-10-12 | 中国石油集团川庆钻探工程有限公司 | Sand washing system and sand washing process for cleaning sand deposition of nitrogen drilling wellhead blowout preventer |
| CN107975349A (en) * | 2016-10-21 | 2018-05-01 | 中国石油化工股份有限公司 | Oil field jet flow sand washing de-plugging fracturing wastewater processing unit and method |
| CN107975349B (en) * | 2016-10-21 | 2023-09-29 | 中国石油化工股份有限公司 | Oil field jet sand-washing blocking-removing operation waste liquid treatment device and method |
| CN109488242A (en) * | 2018-11-20 | 2019-03-19 | 西南石油大学 | A kind of coiled tubing foam drilling mill bridge plug system and its process |
| CN110700777A (en) * | 2019-10-22 | 2020-01-17 | 东营汇聚丰石油科技有限公司 | System and method for flushing coal ash in coal-bed gas well by using nitrogen foam flushing fluid |
| CN110700777B (en) * | 2019-10-22 | 2021-08-31 | 东营汇聚丰石油科技有限公司 | System and method for flushing coal ash in coal-bed gas well by using nitrogen foam flushing fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20210601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |