CN206987796U - A kind of foam fracturing fluid takes sand constructing device - Google Patents
A kind of foam fracturing fluid takes sand constructing device Download PDFInfo
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- CN206987796U CN206987796U CN201720842826.1U CN201720842826U CN206987796U CN 206987796 U CN206987796 U CN 206987796U CN 201720842826 U CN201720842826 U CN 201720842826U CN 206987796 U CN206987796 U CN 206987796U
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Abstract
It the utility model is related to a kind of foam fracturing fluid and take sand constructing device.Its technical scheme is：Sand system, Highpressure Tee, gathering tube, the input connection foam generating system of the Highpressure Tee are taken including foam generating system, pressure break, another input connection pressure break takes sand system, and output end is connected to well head by gathering tube；Beneficial effect is：The utility model by first producing uniform and stable foam on the ground, then foam mixes with process Highpressure Tees such as fracturing fluid, fracturing sands, fracturing fluid, fracturing sand is swept along to be conveyed toward stratum with the foam of function admirable, realize that real foam takes sand pressure break, there is low-density, Low Damage, height to return the advantages of row leads；In addition, foam maker voltage endurance capability of the present utility model is strong, and the cutting of gas slug is added, gas slug is diminished, is even allowed to broken completely, the auger block of foam maker is then entered back into, forms uniform foam；Realize being switched fast for liquid and foam.
Description
Technical field
A kind of well fracturing device is the utility model is related to, more particularly to a kind of foam fracturing fluid takes sand constructing device.
Background technology
Pressure break is the conventional measure of well production increment.Conventional fracturing fluid has the liquid such as guanidine glue, crosslinked fluid and clear water, this
A little conventional liqs can all cause formation damage, particularly in low pressure or low osmoticing oil-gas layer.Foam fracturing is exactly with finite concentration
The foaming agent aqueous solution as fracturing fluid, take sand using foam solution, transform oil-gas Layer, improve oil-producing, gas deliverability.Foam fracturing
There are following characteristics：First, the outstanding sand of fracturing fluid, prop-carrying capacity are very strong；Second, fracturing fluid leak very little, the crack of formation is long and wide；Three
It is that leakage is few, the row of returning leads height, minimum to formation damage；Four are suitable for the oil-gas Layer to fluid-sensitive, such as coal gas layer.
The foam fracturing of current domestic field application mainly has two ways,
One kind is to inject N from oil jacket annular space2Or CO2Gas, from oil pipe inject the conventional fracturing fluid containing foaming agent, gas and
Liquid is in underground mixed foaming.
Another kind is to connect 1 threeway on ground, by conventional fracturing fluid and N containing foaming agent2Or CO2Gas is in threeway position
Put and converge, form a kind of air-liquid, sand mixed phase, then enter back into oil pipe, finally enter oil reservoir.
Above two method, the problem of air-liquid incomplete mixing be present, in both approaches, two kinds of phases of air-liquid with
Either large or small slug form is present, rather than uniform foam, can not realize outstanding sand, the solid-carrying performance of the needs of foam fracturing
With reduce many performances, particularly solid-carrying performance such as leak-off.
The content of the invention
The purpose of this utility model is aiming at drawbacks described above existing for prior art, there is provided a kind of foam fracturing fluid takes sand
Constructing device.
Its technical scheme is：Sand system, Highpressure Tee are taken including foam generating system, pressure break（c）, gathering tube（h）, it is described
Highpressure Tee（c）An input connection foam generating system, another input connection pressure break take sand system, output end is led to
Cross gathering tube（h）It is connected to well head；
The foam generating system includes liquid nitrogen storage tank（b1）, liquid nitrogen pump（b2）, wet tank（b3）, pump truck（b4）, bubble
Foam generator（b5）, foam outlet tube（b6）, the liquid nitrogen storage tank（b1）Pass through liquid nitrogen pump（b2）It is connected to foam maker
（b5）, wet tank（b3）Pass through pump truck（b4）It is connected to foam maker（b5）, foam maker（b5）Exported by foam
Pipe（b6）Connect Highpressure Tee（c）, nitrogen is with liquid in foam maker（b5）Mixing generation foam passes through foam outlet tube
（b6）It is delivered to Highpressure Tee（c）；
The pressure break, which takes sand system, includes silo（a1）, fracturing blender truck（a2）, flow container（a3）, fracturing unit truck group（a4）Taken with pressure break
Sandpipe（a5）, silo（a1）And flow container（a3）Respectively with fracturing blender truck（a2）Connection, fracturing blender truck（a2）Output end and fracturing unit truck group
（a4）Connection, the silo（a1）Sand and flow container（a3）Liquid enter fracturing blender truck（a2）After mixing, then by fracturing unit truck
Group（a4）Pressure break load fluid is formed, then sandpipe is taken by pressure break（a5）It is delivered to Highpressure Tee（c）.
Above-mentioned foam maker（b5）Including air inlet pipe（1）, the first plug valve（2）, check valve（3）, propeller（4）, spiral shell
Revolve stirring block（5）, thicken high pressure resistant main pipe（6）, aerated fluid discharge pipe（7）, the second plug valve（8）, feed tube（9）, the 3rd
Plug valve（10）, it is described to thicken high pressure resistant main pipe（6）One end connection air inlet pipe（1）, air inlet pipe（1）The first plug valve of interior installation
（2）And check valve（3）, in air inlet pipe（1）Side be provided with feed tube（9）, in feed tube（9）On be installed on the second plug valve
（8）；It is described to thicken high pressure resistant main pipe（6）The other end be provided with aerated fluid discharge pipe（7）, the aerated fluid discharge pipe（7）
Left end with thickening high pressure resistant main pipe（6）Connection, aerated fluid discharge pipe（7）Downside be provided with outlet and feed tube（9）Between
Provided with liquid guide flow pipe（11）；It is described to thicken high pressure resistant main pipe（6）Inner chamber is installed by propeller（4）With auger block（5）, pass through
Propeller（4）To air inlet pipe（1）The nitrogen of entrance is cut, and passes through auger block（5）Form uniform foam.
Aforesaid liquid mozzle（11）Installed in feed tube（9）The second plug valve（8）Bottom.
Above-mentioned auger block（5）Using stainless steel spiral stirring block.
Above-mentioned propeller（4）Using stainless steel propellor.
The beneficial effects of the utility model are：The utility model using foam maker by first being produced uniformly on the ground
Stable foam, then foam mixed with process Highpressure Tees such as fracturing fluid, fracturing sands, swept along and pressed with the foam of function admirable
Liquid, fracturing sand are split toward stratum conveying, are realized that real foam takes sand pressure break, are led with low-density, Low Damage, the high row of returning excellent
Point；
In addition, foam maker voltage endurance capability of the present utility model is strong, and the cutting of gas slug is added, by gas
Slug diminishes, is even allowed to broken completely, then enters back into the auger block of foam maker, forms uniform foam；It is real
Being switched fast for liquid and foam is showed.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is the structural representation of foam maker；
In upper figure：Silo a1, fracturing blender truck a2, flow container a3, fracturing unit truck group a4 and pressure break take sandpipe a5, liquid nitrogen storage tank b1, liquid
Nitrogen pump b2, wet tank b3, pump truck b4, foam maker b5, foam outlet tube b6, Highpressure Tee c, oil pipe d, sleeve pipe e, oil gas
Layer g, wellhead assembly f, gathering tube h；
Air inlet pipe 1, the first plug valve 2, check valve 3, stainless steel propellor 4, stainless steel spiral stirring block 5, the resistance to height of thickening
Press main pipe 6, aerated fluid discharge pipe 7, the second plug valve 8, feed tube 9, the 3rd plug valve 10, liquid guide flow pipe 11.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
A kind of foam fracturing fluid that the utility model is mentioned takes sand constructing device：Sand is taken including foam generating system, pressure break
System, Highpressure Tee c, gathering tube h, the Highpressure Tee c input connection foam generating system, another input
Connection pressure break takes sand system, and output end is connected to wellhead assembly f by gathering tube h, and the oil gas of underground is entered by sleeve pipe d
Layer g；
The foam generating system includes liquid nitrogen storage tank b1, liquid nitrogen pump b2, wet tank b3, pump truck b4, foam maker
B5, foam outlet tube b6, the liquid nitrogen storage tank b1 are connected to foam maker b5 by liquid nitrogen pump b2, and wet tank b3 passes through pump
Car b4 is connected to foam maker b5, and foam maker b5 is existed by foam outlet tube b6 connection Highpressure Tee c, nitrogen with liquid
Foam maker b5 mixing generation foams are delivered to Highpressure Tee c by foam outlet tube b6；
The pressure break takes sand system and takes sandpipe a5 including silo a1, fracturing blender truck a2, flow container a3, fracturing unit truck group a4 and pressure break,
Silo a1 and flow container a3 are connected with fracturing blender truck a2 respectively, and fracturing blender truck a2 output end is connected with fracturing unit truck group a4, the silo a1
Sand and flow container a3 liquid enter fracturing blender truck a2 mixing after, then by fracturing unit truck group a4 form pressure break load fluid, then pass through
Pressure break takes sandpipe a5 and is delivered to Highpressure Tee c.
Wherein, foam maker b5 include air inlet pipe 1, the first plug valve 2, check valve 3, propeller 4, auger block 5,
High pressure resistant main pipe 6, aerated fluid discharge pipe 7, the second plug valve 8, feed tube 9, the 3rd plug valve 10 are thickeied, it is described to thicken resistance to height
One end connection air inlet pipe 1 of main pipe 6 is pressed, first plug valve 2 and check valve 3 are installed in air inlet pipe 1, set on the side of air inlet pipe 1
There is feed tube 9, the second plug valve 8 is installed on feed tube 9；The other end for thickening high pressure resistant main pipe 6 is provided with foam stream
Body discharge pipe 7, the left end of the aerated fluid discharge pipe 7 connects with thickening high pressure resistant main pipe 6, under aerated fluid discharge pipe 7
Side is provided between outlet and feed tube 9 and is provided with liquid guide flow pipe 11；It is described to thicken the high pressure resistant inner chamber of the main pipe 6 installation He of propeller 4
Auger block 5, the nitrogen entered by propeller 4 to air inlet pipe 1 are cut, and are formed uniformly by auger block 5
Foam.
Aforesaid liquid mozzle 11 is arranged on the bottom of the second plug valve 8 of feed tube 9；Above-mentioned auger block 5 uses
The pressure-resistant more preferable stainless steel spiral stirring block of antiseptic property, above-mentioned propeller 4 use the more preferable stainless steel spiral shell of pressure-resistant antiseptic property
Revolve oar.
To avoid gas slug from influenceing foaming properties, after gas, liquid enter foam maker, stirred being introduced into spiral
Before mixing block, design 3 groups of propellers 4 of increase carry out cutting process to gas slug.Design reference steamer, the aircraft etc. utilize spiral shell
The principle of oar rotation driving is revolved, the principle is utilized in turn, drives propeller to revolve by the impact of injection liquids and gases
Turn, realize the cutting to gas slug using the rotation of propeller blade, gas slug is diminished, is even allowed to broken completely,
Then the auger block of foam maker is entered back into, forms uniform foam.
Be using 3 groups of propellers in order to realize repeatedly, sufficiently cutting, the frequency of cutting can be improved, it is ensured that cutting effect.
The utility model using foam maker by first producing uniform and stable foam on the ground, and then foam is with pressing
Split liquid, fracturing sand etc. to mix by Highpressure Tee, sweep along fracturing fluid, fracturing sand to be conveyed toward stratum with the foam of function admirable,
Realize that real foam takes sand pressure break, there is low-density, Low Damage, height to return the advantages of row leads；
In addition, foam maker voltage endurance capability of the present utility model is strong, and the cutting of gas slug is added, by gas
Slug diminishes, is even allowed to broken completely, then enters back into the auger block of foam maker, forms uniform foam；It is real
Being switched fast for liquid and foam is showed.
The pressure break Internal Experiment of 3 mouthfuls of coal bed gas wells is carried out at the scene using the technique at present.First well is thrown to be new
Well, after the well implements foam fracturing, go into operation 1 month and start aerogenesis, and same production platform, well with layer position, in pressure break
Just start aerogenesis after going into operation 8 months, the current gas production of the well is stable to be produced in 800 sides/day, other far above same platform
Well.Second and third mouthful of well is the old well pressure break again of coal bed gas well, and after this 2 well implements foam fracturing operation, daily output tolerance is above
The yield of first pressure break, has fully demonstrated the advantage of Foam Fracturing Technique.
It is described above, only it is preferred embodiment of the present utility model, any those skilled in the art may profit
Equivalent technical scheme is changed the utility model or is revised as with the technical scheme of above-mentioned elaboration.Therefore, foundation
Any simple modification or substitute equivalents that the technical solution of the utility model is carried out, belong to the greatest extent the requires of the utility model protection
Scope.
Claims (5)
1. a kind of foam fracturing fluid takes sand constructing device, it is characterized in that：Sand system, high pressure are taken including foam generating system, pressure break
Threeway（c）, gathering tube（h）, the Highpressure Tee（c）An input connection foam generating system, another input connect
Connect pressure break and take sand system, output end passes through gathering tube（h）It is connected to well head；
The foam generating system includes liquid nitrogen storage tank（b1）, liquid nitrogen pump（b2）, wet tank（b3）, pump truck（b4）, foam hair
Raw device（b5）, foam outlet tube（b6）, the liquid nitrogen storage tank（b1）Pass through liquid nitrogen pump（b2）It is connected to foam maker（b5）, liquid
Body storage tank（b3）Pass through pump truck（b4）It is connected to foam maker（b5）, foam maker（b5）Pass through foam outlet tube（b6）Even
Connect Highpressure Tee（c）, nitrogen is with liquid in foam maker（b5）Mixing generation foam passes through foam outlet tube（b6）It is delivered to
Highpressure Tee（c）；
The pressure break, which takes sand system, includes silo（a1）, fracturing blender truck（a2）, flow container（a3）, fracturing unit truck group（a4）Sandpipe is taken with pressure break
（a5）, silo（a1）And flow container（a3）Respectively with fracturing blender truck（a2）Connection, fracturing blender truck（a2）Output end and fracturing unit truck group（a4）
Connection, the silo（a1）Sand and flow container（a3）Liquid enter fracturing blender truck（a2）After mixing, then by fracturing unit truck group
（a4）Pressure break load fluid is formed, then sandpipe is taken by pressure break（a5）It is delivered to Highpressure Tee（c）.
2. a kind of foam fracturing fluid according to claim 1 takes sand constructing device, it is characterized in that：The foam maker
（b5）Including air inlet pipe（1）, the first plug valve（2）, check valve（3）, propeller（4）, auger block（5）, thicken it is high pressure resistant
Main pipe（6）, aerated fluid discharge pipe（7）, the second plug valve（8）, feed tube（9）, the 3rd plug valve（10）, it is described to thicken resistance to height
Press main pipe（6）One end connection air inlet pipe（1）, air inlet pipe（1）The first plug valve of interior installation（2）And check valve（3）, in air inlet pipe
（1）Side be provided with feed tube（9）, in feed tube（9）On be installed on the second plug valve（8）；It is described to thicken high pressure resistant main pipe（6）
The other end be provided with aerated fluid discharge pipe（7）, the aerated fluid discharge pipe（7）Left end with thickening high pressure resistant main pipe（6）
Connection, aerated fluid discharge pipe（7）Downside be provided with outlet and feed tube（9）Between be provided with liquid guide flow pipe（11）；It is described to add
Thick high pressure resistant main pipe（6）Inner chamber is installed by propeller（4）With auger block（5）, pass through propeller（4）To air inlet pipe（1）Into
Nitrogen cut, pass through auger block（5）Form uniform foam.
3. a kind of foam fracturing fluid according to claim 2 takes sand constructing device, it is characterized in that：The liquid guide flow pipe
（11）Installed in feed tube（9）The second plug valve（8）Bottom.
4. a kind of foam fracturing fluid according to claim 2 takes sand constructing device, it is characterized in that：The auger block
（5）Using stainless steel spiral stirring block.
5. a kind of foam fracturing fluid according to claim 2 takes sand constructing device, it is characterized in that：The propeller（4）Adopt
Use stainless steel propellor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842826.1U CN206987796U (en) | 2017-07-12 | 2017-07-12 | A kind of foam fracturing fluid takes sand constructing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842826.1U CN206987796U (en) | 2017-07-12 | 2017-07-12 | A kind of foam fracturing fluid takes sand constructing device |
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| CN206987796U true CN206987796U (en) | 2018-02-09 |
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| CN201720842826.1U Active CN206987796U (en) | 2017-07-12 | 2017-07-12 | A kind of foam fracturing fluid takes sand constructing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083621A (en) * | 2018-07-28 | 2018-12-25 | 中国石油天然气股份有限公司 | A kind of horizontal well coiled tubing composite blockage relieving method |
| 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 |
| CN110905475A (en) * | 2019-11-20 | 2020-03-24 | 中国石油大学(北京) | Anhydrous foam generator for fracturing shale oil and gas reservoir and application thereof |
| CN111119828A (en) * | 2019-12-18 | 2020-05-08 | 东营汇聚丰石油科技有限公司 | Method for fracturing coal bed gas reservoir by using nitrogen foam fracturing fluid |
| CN112691570A (en) * | 2020-12-31 | 2021-04-23 | 重庆市能源投资集团科技有限责任公司 | Sand adding and mixing unit for underground fracturing of coal mine |
-
2017
- 2017-07-12 CN CN201720842826.1U patent/CN206987796U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083621A (en) * | 2018-07-28 | 2018-12-25 | 中国石油天然气股份有限公司 | A kind of horizontal well coiled tubing composite blockage relieving method |
| 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 |
| CN110905475A (en) * | 2019-11-20 | 2020-03-24 | 中国石油大学(北京) | Anhydrous foam generator for fracturing shale oil and gas reservoir and application thereof |
| US10961830B1 (en) | 2019-11-20 | 2021-03-30 | China University of Petroleum—Beijing | Waterless foam generator for fracturing shale oil and gas reservoirs and use thereof |
| CN111119828A (en) * | 2019-12-18 | 2020-05-08 | 东营汇聚丰石油科技有限公司 | Method for fracturing coal bed gas reservoir by using nitrogen foam fracturing fluid |
| CN111119828B (en) * | 2019-12-18 | 2022-03-29 | 东营汇聚丰石油科技有限公司 | Method for fracturing coal bed gas reservoir by using nitrogen foam fracturing fluid |
| CN112691570A (en) * | 2020-12-31 | 2021-04-23 | 重庆市能源投资集团科技有限责任公司 | Sand adding and mixing unit for underground fracturing of coal mine |
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