CN211549667U - Drilling fracturing continuous liquid supply switching device - Google Patents
Drilling fracturing continuous liquid supply switching device Download PDFInfo
- Publication number
- CN211549667U CN211549667U CN202020149628.9U CN202020149628U CN211549667U CN 211549667 U CN211549667 U CN 211549667U CN 202020149628 U CN202020149628 U CN 202020149628U CN 211549667 U CN211549667 U CN 211549667U
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- Prior art keywords
- pump
- fracturing
- fracturing fluid
- case
- liquid
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 50
- 238000005553 drilling Methods 0.000 title claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 72
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 230000002000 scavenging effect Effects 0.000 claims abstract description 11
- 230000008676 import Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a continuous liquid feed auto-change over device of well drilling fracturing. Relates to the technical field of oil field fracturing. The inlet pipe connection of high-pressure plunger pump supplies liquid tank bottom, and every fracturing fluid case all is equipped with the measuring pump, and the measuring pump outlet pipe line communicates supplies liquid tank deck portion, and the cleaning fluid case is equipped with the scavenging pump, and the cleaning pump export has the pipeline to communicate every fracturing fluid roof portion through each solenoid valve respectively, and fracturing fluid bottom of the case portion all is connected to the recovery liquid case through the solenoid valve, and the return pump outlet pipe way intercommunication cleaning fluid roof portion of recovery liquid case. The utility model discloses following beneficial effect has: through setting up different washable fracturing fluid case, carry the feed liquor jar through the measuring pump, the feed liquor jar keeps the liquid level and highly provides the stable fracturing fluid of pressure flow for high-pressure plunger pump, keeps the continuity of fracturing operation, and the quantity that the abluent fracturing fluid case can reduce field device can be washd and switch multiple fracturing fluid and provide high-pressure plunger pump to several fracturing fluid cases, reduces equipment cost, reduces area.
Description
The technical field is as follows:
the utility model belongs to the technical field of the oil field fracturing technique and specifically relates to a drilling fracturing supplies liquid auto-change over device in succession.
Background art:
in the fracturing process, various fracturing fluids are poured into the fracturing pump in-process by the liquid perfusion, need change multiple fracturing fluid, when changing fracturing fluid, need stop the pump adjustment process pipeline, stop high-pressure plunger pump not only waste time and energy when switching fracturing fluid, and exert an influence to the fracturing effect, and the nature of every kind of fracturing fluid is different, needs every kind of fracturing fluid all to be equipped with one and has the stirring, the device of functions such as transport, and equipment is many, and it is big to put the area.
The utility model has the following contents:
in order to solve the problem, the utility model provides a drilling fracturing supplies liquid auto-change over device in succession.
The technical scheme of the utility model is that: a drilling fracturing continuous liquid supply switching device comprises a bottom sledge, wherein a high-pressure plunger pump is mounted on the bottom sledge, an inlet pipe of the high-pressure plunger pump is connected with the bottom of a liquid supply tank, and the whole liquid supply tank is supported by a support and is higher than the top of the high-pressure plunger pump;
the bottom sledge is also provided with a plurality of fracturing fluid tanks and a cleaning fluid tank, and the fluid supply tank, the fracturing fluid tanks and the cleaning fluid tank are all provided with a stirrer and a liquid level meter;
every fracturing fluid case all is equipped with the measuring pump, measuring pump access connection fracturing fluid bottom of the case portion, the outlet pipe line of measuring pump communicates and supplies the liquid tank deck portion, the cleaning fluid case is equipped with the scavenging pump, scavenging pump access connection cleaning fluid bottom of the case portion, the cleaning pump export has the pipeline to communicate every fracturing fluid roof portion through each solenoid valve respectively, every fracturing fluid bottom of the case portion all is connected to the recovery liquid case through a solenoid valve, there is the pipe connection backwash pump import recovery liquid case lower part, backwash pump outlet pipe says and communicates washing liquid roof portion.
The top of the recovery liquid tank is lower than the bottom of the fracturing liquid tank.
The utility model discloses following beneficial effect has: through setting up different washable fracturing fluid case, carry the feed liquor jar through the measuring pump, the feed liquor jar keeps the liquid level and highly provides the stable fracturing fluid of pressure flow for high-pressure plunger pump, keeps the continuity of fracturing operation, and the quantity that the abluent fracturing fluid case can reduce field device can be washd and switch multiple fracturing fluid and provide high-pressure plunger pump to several fracturing fluid cases, reduces equipment cost, reduces area.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-bottom sledge, 2-high pressure plunger pump, 3-liquid supply tank, 4-fracturing liquid tank, 5-cleaning liquid tank, 6-liquid recovery tank, 7-cleaning pump, 8-metering pump, 9-electromagnetic valve, 10-liquid level meter, 11-stirrer and 12-reflux pump.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, the drilling fracturing continuous liquid supply switching device comprises a bottom sledge 1, wherein a high-pressure plunger pump 2 is installed on the bottom sledge 1, an inlet pipe of the high-pressure plunger pump 2 is connected with the bottom of a liquid supply tank 3, the whole liquid supply tank 3 is supported by a support and is higher than the top of the high-pressure plunger pump 2, and the liquid supply tank 3 positioned at a high position can keep the inlet pressure of the high-pressure plunger pump 2 to prevent evacuation;
the bottom sledge 1 is also provided with a plurality of fracturing fluid tanks 4 and a cleaning fluid tank 5, and the fluid supply tank 3, the fracturing fluid tanks 4 and the cleaning fluid tank 5 are respectively provided with a stirrer 11 and a liquid level meter 10;
every fracturing fluid case 4 all is equipped with measuring pump 8, 8 access connection fracturing fluid incasement 4 bottoms of measuring pump, 8 outlet pipeline of measuring pump communicate the feed liquor jar 3 tops, cleaning fluid case 5 is equipped with scavenging pump 7, 7 access connection cleaning fluid incasement 5 bottoms of scavenging pump, 5 exports of scavenging pump have the pipeline to communicate every fracturing fluid case 4 tops through each solenoid valve 9 respectively, every fracturing fluid incasement 4 bottoms all is connected to recovery liquid case 6 through a solenoid valve 9, there is 12 entrances of pipe connection backwash pump 6 lower parts, 12 outlet pipeline intercommunication cleaning fluid incasement 5 tops of backwash pump.
The top of the recovery liquid tank 6 is lower than the bottom of the fracturing liquid tank 4.
Give feed liquor tank 3 by fracturing fluid tank 4 and carry liquid, the level gauge 10 of feed liquor tank 3 keeps the stability of liquid level, in order to keep the inlet pressure and the flow stability of high-pressure plunger pump 2, when needs switch fracturing fluid, the scavenging pump 7 of scavenging fluid tank 5 carries the washing liquid in the empty fracturing fluid tank 4, open the solenoid valve 9 of this fracturing fluid tank 4 top this moment, after the washing, open the solenoid valve 9 of this fracturing fluid tank 4 below, the washing liquid gets into recovery fluid tank 6, the backwash pump 12 of recovery fluid tank 6 can carry the washing liquid back to in the fracturing fluid tank 5, the fracturing fluid tank 4 of washing completion can inject different kinds of fracturing fluids and continue to carry out fracturing operation.
Through setting up different washable fracturing fluid case, carry the feed liquor jar through the measuring pump, the feed liquor jar keeps the liquid level and highly provides the stable fracturing fluid of pressure flow for high-pressure plunger pump, keeps the continuity of fracturing operation, and the quantity that the abluent fracturing fluid case can reduce field device can be washd and switch multiple fracturing fluid and provide high-pressure plunger pump to several fracturing fluid cases, reduces equipment cost, reduces area.
Claims (2)
1. The utility model provides a drilling fracturing supplies liquid auto-change over device in succession, includes bottom sledge (1), its characterized in that: the bottom sledge (1) is provided with a high-pressure plunger pump (2), an inlet pipe of the high-pressure plunger pump (2) is connected with the bottom of the liquid supply tank (3), and the whole liquid supply tank (3) is supported by a bracket and is higher than the top of the high-pressure plunger pump (2);
the bottom sledge (1) is also provided with a plurality of fracturing fluid tanks (4) and a cleaning fluid tank (5), and the fluid supply tank (3), the fracturing fluid tanks (4) and the cleaning fluid tank (5) are respectively provided with a stirrer (11) and a liquid level meter (10);
every fracturing fluid case (4) all is equipped with measuring pump (8), measuring pump (8) access connection fracturing fluid case (4) bottom, measuring pump (8) outlet pipeline communicates feed liquor tank (3) top, cleaning fluid case (5) are equipped with scavenging pump (7), scavenging pump (7) access connection cleaning fluid case (5) bottom, scavenging pump (7) export has the pipeline to communicate every fracturing fluid case (4) top through each solenoid valve (9) respectively, every fracturing fluid case (4) bottom all is connected to recovery liquid case (6) through a solenoid valve (9), there is pipe connection backwash pump (12) import recovery liquid case (6) lower part, backwash pump (12) outlet pipeline intercommunication cleaning fluid case (5) top.
2. The drilling fracturing continuous feed liquid switching device of claim 1, wherein: the top of the recovery liquid tank (6) is lower than the bottom of the fracturing liquid tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020149628.9U CN211549667U (en) | 2020-01-31 | 2020-01-31 | Drilling fracturing continuous liquid supply switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020149628.9U CN211549667U (en) | 2020-01-31 | 2020-01-31 | Drilling fracturing continuous liquid supply switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211549667U true CN211549667U (en) | 2020-09-22 |
Family
ID=72493858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020149628.9U Expired - Fee Related CN211549667U (en) | 2020-01-31 | 2020-01-31 | Drilling fracturing continuous liquid supply switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211549667U (en) |
-
2020
- 2020-01-31 CN CN202020149628.9U patent/CN211549667U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |