CN205225231U - Mulling device, fracturing blender truck and fracturing unit - Google Patents
Mulling device, fracturing blender truck and fracturing unit Download PDFInfo
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- CN205225231U CN205225231U CN201521013144.7U CN201521013144U CN205225231U CN 205225231 U CN205225231 U CN 205225231U CN 201521013144 U CN201521013144 U CN 201521013144U CN 205225231 U CN205225231 U CN 205225231U
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Abstract
The utility model discloses a mulling device, this mulling device being provided with the transition pipe inhaleing between pipe and the discharge pipe, and the import department of blending tank is provided with first on -off valve, are provided with the second on -off valve on the transition pipe, when putting the load fluid into production, first on -off valve is opened, and the second on -off valve is closed, and at this moment, the raw materials of a suction pump and second suction output obtain the load fluid after the blending tank mixes the raw materials, then first excavating pump and second excavating pump is with the load fluid pressurization after the discharge pipe exports the fracturing pump to in infeeding the blending tank, when needs rinse the manifold, close first on -off valve, open the second on -off valve, the washing liquid of a suction pump and the output of the 2nd suction pump flows out through sucking pipe, transition pipe, second on -off valve and discharge pipe in proper order, the washing liquid in with the manifold sedimentary proppant wash to prevent that the manifold from blockking up. Additionally, the utility model discloses still provide a fracturing blender truck and a fracturing unit that has this mulling device.
Description
Technical field
The utility model relates to exploitation of oil-gas field technology, is specifically related to a kind of mixing device, fracturing blender truck and fracturing unit.
Background technology
As the effective yield increase of one, hydraulic fracturing technology is widely applied in exploitation of oil-gas field.The operating principle of hydraulic fracturing technology is: by fracturing pump, the fracturing fluid of high viscosity is injected petroliferous bed, when injecting of the fracturing fluid speed and exceeding the absorptive capacity of oil reservoir, shaft bottom oil reservoir is formed very high pressure, when this pressure exceedes the fracture pressure of rock stratum, rock stratum will be pressed off and be produced crack; In order to keep the crack pressed off to be in open configuration, then clamp-on the load fluid with proppant (usual quartz sand) to oil reservoir, after load fluid enters crack, proppant can support the crack pressed off, and makes it be unlikely closed.
In fracturing process, load fluid is mixed at the scene by fracturing blender truck usually, fracturing blender truck generally includes manifold, blending tank, suction pump and excavationg pump, the Main Function of suction pump pumps in blending tank by raw material, raw material is mixed into load fluid by blending tank, the load fluid be mixed to form pumps to fracturing pump by excavationg pump, and the effect of manifold forms transfer passage between suction pump, excavationg pump, blending tank and raw material storage device.
At present, comparatively common fracturing blender truck has two suction pumps and two excavationg pumps (be commonly called as double pump and inhale double pump row structure), and it can obtain huge discharge when double pump works simultaneously, when single pump work, can have good reliability again; But along with improving containing sand ratio of load fluid, easily there is the problem that manifold blocks in the fracturing blender truck of this structure, greatly reduces operating efficiency.
Utility model content
In view of this, the purpose of this utility model proposes a kind of mixing device, and this mixing device can clean manifold efficiently, and then reduce blocking.In addition, the utility model also proposes a kind of fracturing blender truck and the fracturing unit with this mixing device.
As first aspect, the utility model proposes a kind of mixing device, it comprises blending tank, the first suction pump, the second suction pump, the first excavationg pump, the second excavationg pump and manifold, described manifold comprises suction pipe, discharge pipe, transition conduit, the first on-off valve and the second on-off valve, described first suction pump and second is sucked delivery side of pump and is connected with the import of blending tank by described suction pipe, the outlet of described blending tank is connected with the import of the first excavationg pump, the second excavationg pump, and the first excavationg pump and second is discharged delivery side of pump and is connected with discharge pipe; Described suction pipe is connected with discharge pipe by transition conduit, and described first on-off valve to be arranged on suction pipe and to be positioned at the import department of blending tank, and described second on-off valve is arranged in transition conduit.
Preferably, the link position of described transition conduit and discharge pipe is positioned at the upstream that delivery side of pump discharged by the first excavationg pump and second.
Preferably, described first excavationg pump and the second discharge delivery side of pump are connected with discharge pipe respectively by 90 degree of elbows.
Preferably, the outlet of described 90 degree of elbows is arranged in the horizontal direction, and the exit of described 90 degree of elbows is provided with the 3rd on-off valve.
Preferably, described manifold comprises the first suction house steward and the second suction house steward, is provided with the first tube connector between described first suction house steward and the second suction house steward, wherein, the first tube connector is provided with the 4th on-off valve and the 5th on-off valve; Described discharge pipe is connected with the first tube connector, and link position is between the 4th on-off valve and the 5th on-off valve; Described first suction pump is connected with the first suction house steward through the 6th on-off valve, and the second suction pump is connected with the second suction house steward through the 7th on-off valve; The second tube connector is provided with between the entrance of described first suction pump and the entrance of the second suction pump.
Preferably, described second tube connector is provided with the 8th on-off valve.
Preferably, described first suction house steward and the second suction house steward include multiple communication port, and each described communication port is provided with valve.
Preferably, described discharge pipe and/or suction pipe are provided with flow meter, described flow meter is for detecting flow.
The mixing device that the utility model proposes is provided with transition conduit at suction pipe and discharge pipe, and the import department of blending tank is provided with the first on-off valve, transition conduit is provided with the second on-off valve; When production load fluid, first on-off valve is opened, second on-off valve is closed, now, first suction pump and second sucks the raw material exported and feeds in blending tank, blending tank obtains load fluid after being mixed by raw material, then, exports fracturing pump to after load fluid pressurizes by the first excavationg pump and the second excavationg pump through discharge pipe; When needs cleaning manifold, close the first on-off valve, open the second on-off valve, the cleaning fluid that the first suction pump and the second suction pump export flows out through suction pipe, transition conduit, the second on-off valve and discharge pipe successively, the proppant deposited in manifold rinses out by cleaning fluid, thus prevents manifold from blocking.
In preferred technical scheme, by adopting 90 degree of elbows, the outlet of 90 degree of elbows is arranged in the horizontal direction, and the 3rd on-off valve is arranged on the exit of 90 degree of elbows, make less being deposited near elbow and the 3rd on-off valve of proppant, also facilitate cleaning fluid to the cleaning of these positions.
As second aspect, the utility model proposes a kind of fracturing blender truck, it comprises the mixing device of chassis and above-mentioned any one, and described mixing device is arranged on described chassis.
By adopting above-mentioned mixing device, this fracturing blender truck effectively can reduce manifold blocking, thus improves operating efficiency.
As the third aspect, the utility model proposes a kind of fracturing unit, it comprises the mixing device of fracturing pump and above-mentioned any one, and described pressure break pump intake is directly or indirectly connected with discharge pipe.
By adopting above-mentioned mixing device, this fracturing unit effectively can reduce manifold blocking, thus improves operating efficiency.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The structural representation of the mixing device that Fig. 1 provides for the utility model specific embodiment;
Fig. 2 is the partial schematic diagram of the mixing device shown in Fig. 1.
Description of reference numerals:
1-blending tank 2-the first suction pump 3-the second suction pump 4-the first excavationg pump
5-the second excavationg pump 6-suction pipe 7-discharge pipe 8-the first on-off valve
9-the second on-off valve 10-the first suction house steward 11-the second suction house steward 12-transition conduit
13-elbow 14-the three on-off valve 15-the four on-off valve 16-the five on-off valve
17-the six on-off valve 18-the seven on-off valve 19-the eight on-off valve
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
The utility model specific embodiment proposes a kind of fracturing unit, specifically comprise mixing device and fracturing pump, the Main Function of mixing device is that raw material (mainly clear water, base fluid and proppant) is mixed to get load fluid in proportion, and load fluid is supplied fracturing pump, fracturing pump pumps in Oil/gas Well after being pressurizeed by load fluid.
Figure 1 shows that the structural representation of the mixing device that the utility model specific embodiment provides; Fig. 2 is the partial enlarged drawing of Fig. 1; This mixing device comprises blending tank 1, first suction pump 2, second suction pump 3, first excavationg pump 4, second excavationg pump 5 and manifold, the Main Function of manifold is coupled together blending tank 1, first suction pump 2, second suction pump 3, first excavationg pump 4, second excavationg pump 5 and fracturing pump, and raw material and load fluid are flowed in the intended manner; Wherein, manifold comprises suction pipe 6, discharge pipe 7, transition conduit 12, first on-off valve 8, second on-off valve 9, first suction house steward 10 and the second suction house steward 11, first suction pump 2 is connected by the import of suction pipe 6 with blending tank 1 with the outlet of the second suction pump 3, the outlet of blending tank 1 is connected with the import of the first excavationg pump 4, second excavationg pump 5, and the outlet of the first excavationg pump 4 and the second excavationg pump 5 is connected with discharge pipe 7; Suction pipe 6 is connected with discharge pipe 7 by transition conduit 12, first on-off valve 8 to be arranged on suction pipe 6 and to be positioned at the import department of blending tank 1, second on-off valve 9 is arranged in transition conduit 12, and transition conduit 12 is positioned at the upstream of the outlet of the first excavationg pump 4 and the second excavationg pump 5 with the link position of discharge pipe 7; Be provided with the first tube connector between first suction house steward 10 and the second suction house steward 11, wherein, the first tube connector be provided with the 4th on-off valve 15 and the 5th on-off valve 16; Discharge pipe 7 is connected with the first tube connector, and link position is between the 4th on-off valve 15 and the 5th on-off valve 16; First suction pump 2 is connected with the first suction house steward 10 through the 6th on-off valve 17, and the second suction pump 3 is connected with the second suction house steward 11 through the 7th on-off valve 18; The second tube connector is provided with between the entrance of the first suction pump 2 and the entrance of the second suction pump 3.
During mulling operation, first suction house steward 10 is connected with fracturing pump, second suction house steward 11 is connected with feedstock transportation car or raw material storage tanks, now, the first on-off valve 8 is opened, and the second on-off valve 9 is closed, 4th on-off valve 15 is opened, 5th on-off valve 16 is closed, and the 6th on-off valve 17 is closed, and the 7th on-off valve 18 is opened; Raw material enters the second suction pump 3 through the second suction house steward 11, the 7th on-off valve 18 successively, and enter the first suction pump 2 through the second suction house steward 11, the 7th on-off valve 18 and the second tube connector successively, after the first suction pump 2 and the pressurization of the second suction pump 3, raw material enters into blending tank 1 through suction pipe 6 and the first on-off valve 8, and raw material is mixed to form load fluid by blending tank 1; Fracturing pump is flowed to through discharge pipe 7, first tube connector, the 4th on-off valve 15 and the first suction house steward 10 successively after load fluid pressurizes by the first excavationg pump 4 and second row pump.In another operation mode, also can arrange by the single pump of single pump system, i.e. the first suction pump 2 and a second suction pump 3 only job, another is as backup, and the first excavationg pump 4 and the second excavationg pump 5 be an only job also, another backup.
During cleaning manifold, following two kinds of mode of operations can be had;
1) direct-furnish liquid sediment outflow pattern
First suction house steward 10 is connected with fracturing pump, second suction house steward 11 is connected with the holding vessel of clear water (or base fluid), now, first on-off valve 8 is closed, and the second on-off valve 9 is opened, and the 4th on-off valve 15 is opened, 5th on-off valve 16 is closed, 6th on-off valve 17 is closed, and the 7th on-off valve 18 is opened, and the first excavationg pump 4 and the second excavationg pump 5 do not work; Clear water (or base fluid) enters the second suction pump 3 through the second suction house steward 11, the 7th on-off valve 18 successively, and enter the first suction pump 2 through the second suction house steward 11, the 7th on-off valve 18 and the second tube connector successively, after the first suction pump 2 and the pressurization of the second suction pump 3, clear water (or base fluid) flows to fracturing pump through suction pipe 6, transition conduit 12, second on-off valve 9, discharge pipe 7, first tube connector, the 4th on-off valve 15 and the first suction house steward 10 successively.The proppant deposited in manifold, in flow process, cleans out by clear water or base fluid.
2) self-cleaning sediment outflow pattern
Clear water storage device is directly connected with the entrance of the first suction pump 2, second suction pump 3, now, first on-off valve 8 is closed, second on-off valve 9 is opened, 4th on-off valve 15 is opened, and the 5th on-off valve 16 is opened, and the 6th on-off valve 17 is closed, 7th on-off valve 18 is closed, and the first excavationg pump 4 and the second excavationg pump 5 do not work; After the first suction pump 2 and the pressurization of the second suction pump 3, clear water enters the first suction house steward 10 through suction pipe 6, transition conduit 12, second on-off valve 9, discharge pipe 7, first tube connector, the 4th on-off valve 15 successively, enters the second suction house steward 11 through the 5th on-off valve 16 simultaneously; Discharge eventually through the first suction house steward 10 and the second suction house steward 11; The proppant deposited in manifold, in flow process, cleans out by clear water or base fluid.
The first excavationg pump 4 and the second excavationg pump 5 is entered in order to prevent reverse flow of fluids, the 3rd on-off valve 14 is provided with between the first excavationg pump 4 and discharge pipe 7, between the second excavationg pump 5 and discharge pipe 7, by the 3rd on-off valve 14 single port during mulling operation, during cleaning manifold, the 3rd on-off valve 14 is closed.In addition, deposit in pipeline to reduce proppant, adopt 90 degree of elbows 13 to connect the first excavationg pump 4 and discharge pipe 7, second excavationg pump 5 and discharge pipe 7, and the outlet of 90 degree of elbows 13 is arranged in the horizontal direction, the 3rd on-off valve 14 is arranged at the exit of 90 degree of elbows 13.By adopting 90 degree of elbows 13, the outlet of 90 degree of elbows 13 is arranged in the horizontal direction, and the 3rd on-off valve 14 is arranged on the exit of 90 degree of elbows 13, makes less being deposited near elbow 13 and the 3rd on-off valve 14 of proppant, also facilitate cleaning fluid to the cleaning of these positions.
In a further embodiment, second tube connector is provided with the 8th on-off valve 19, inhale the mode of operation of single pump row at single pump under, close the 8th on-off valve 19 and can prevent raw material from entering in the first suction pump 2 or the second suction pump 3, reduce raw material to the corrosion of suction pump for subsequent use.
In a further embodiment, discharge pipe 7 and suction pipe 6 are provided with flow meter, flow meter is for detecting the flow of discharge pipe 7 and suction pipe 6, in fracturing work process, the real-time traffic detected according to flow meter can the duty of accurate perception mixing device, and then facilitates the control of fracturing work.
In the above-described embodiments, all on-off valves all can adopt ball valve or butterfly valve, preferentially adopt butterfly valve.
In other embodiments, in order to simplify structure, the parts such as the first suction house steward 10, second suction house steward 11 can be saved in manifold, during fracturing work, directly discharge pipe 7 is connected with fracturing pump.
In addition, the utility model specific embodiment also proposes a kind of fracturing blender truck, and comprise chassis and above-mentioned mixing device, mixing device is arranged on chassis.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a mixing device, it is characterized in that, comprise blending tank (1), first suction pump (2), second suction pump (3), first excavationg pump (4), second excavationg pump (5) and manifold, described manifold comprises suction pipe (6), discharge pipe (7), transition conduit (12), first on-off valve (8) and the second on-off valve (9), described first suction pump (2) is connected by the import of described suction pipe (6) with blending tank (1) with the outlet of the second suction pump (3), the outlet of described blending tank (1) and the first excavationg pump (4), the import of the second excavationg pump (5) connects, the outlet of the first excavationg pump (4) and the second excavationg pump (5) is connected with discharge pipe (7), described suction pipe (6) is connected with discharge pipe (7) by transition conduit (12), described first on-off valve (8) is arranged at suction pipe (6) and goes up and be positioned at the import department of blending tank (1), and described second on-off valve (9) is arranged in transition conduit (12).
2. mixing device according to claim 1, is characterized in that, described transition conduit (12) is positioned at the upstream of the outlet of the first excavationg pump (4) and the second excavationg pump (5) with the link position of discharge pipe (7).
3. mixing device according to claim 1, is characterized in that, described first excavationg pump (4) is connected with discharge pipe (7) respectively by 90 degree of elbows (13) with the outlet of the second excavationg pump (5).
4. mixing device according to claim 3, is characterized in that, the outlet of described 90 degree of elbows (13) is arranged in the horizontal direction, and the exit of described 90 degree of elbows (13) is provided with the 3rd on-off valve (14).
5. mixing device according to claim 1, it is characterized in that, described manifold comprises the first suction house steward (10) and the second suction house steward (11), the first tube connector is provided with between described first suction house steward (10) and the second suction house steward (11), wherein, the first tube connector is provided with the 4th on-off valve (15) and the 5th on-off valve (16); Described discharge pipe (7) is connected with the first tube connector, and link position is between the 4th on-off valve (15) and the 5th on-off valve (16); Described first suction pump (2) is connected with the first suction house steward (10) through the 6th on-off valve (17), and the second suction pump (3) is connected with the second suction house steward (11) through the 7th on-off valve (18); The second tube connector is provided with between the entrance of described first suction pump (2) and the entrance of the second suction pump (3).
6. mixing device according to claim 5, is characterized in that, described second tube connector is provided with the 8th on-off valve (19).
7. mixing device according to claim 6, is characterized in that, described first suction house steward (10) and the second suction house steward (11) include multiple communication port, and each described communication port is provided with valve.
8. the mixing device according to claim 1 to 7 any one, is characterized in that, described discharge pipe (7) and/or suction pipe (6) are provided with flow meter, and described flow meter is for detecting flow.
9. a fracturing blender truck, is characterized in that, comprise chassis and the mixing device described in claim 1 to 8 any one, described mixing device is arranged on described chassis.
10. a fracturing unit, is characterized in that, comprises fracturing pump and the mixing device described in claim 1 to 8 any one, and described pressure break pump intake is directly or indirectly connected with discharge pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013144.7U CN205225231U (en) | 2015-12-09 | 2015-12-09 | Mulling device, fracturing blender truck and fracturing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013144.7U CN205225231U (en) | 2015-12-09 | 2015-12-09 | Mulling device, fracturing blender truck and fracturing unit |
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| Publication Number | Publication Date |
|---|---|
| CN205225231U true CN205225231U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521013144.7U Active CN205225231U (en) | 2015-12-09 | 2015-12-09 | Mulling device, fracturing blender truck and fracturing unit |
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| CN (1) | CN205225231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476792A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | A kind of system and method for scene addition emulsion-type drag reduction water |
| CN115012899A (en) * | 2022-07-12 | 2022-09-06 | 盐城市崇达石化机械有限公司 | Automatic hydraulic control fracturing manifold |
-
2015
- 2015-12-09 CN CN201521013144.7U patent/CN205225231U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476792A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | A kind of system and method for scene addition emulsion-type drag reduction water |
| CN107476792B (en) * | 2016-06-07 | 2019-05-17 | 中国石油化工股份有限公司 | A kind of system and method for scene addition emulsion-type drag reduction water |
| CN115012899A (en) * | 2022-07-12 | 2022-09-06 | 盐城市崇达石化机械有限公司 | Automatic hydraulic control fracturing manifold |
| CN115012899B (en) * | 2022-07-12 | 2023-07-07 | 盐城市崇达石化机械有限公司 | Automatic hydraulic control fracturing manifold |
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Effective date of registration: 20170113 Address after: 102206 South Beijing city of Changping District science and Technology Park 31 manufacturing center of Beijing Liu Lu Li Patentee after: 31 petroleum Intelligent Equipment Co., Ltd. Address before: 102206 Changping District City, North Road, Beijing, the 31 Industrial Park Patentee before: SANY HEAVY ENERGY EQUIPMENT CO., LTD. |