CN111622729A - Fracturing test system and test bench and electricity drive fracturing equipment thereof - Google Patents
Fracturing test system and test bench and electricity drive fracturing equipment thereof Download PDFInfo
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- CN111622729A CN111622729A CN202010620781.XA CN202010620781A CN111622729A CN 111622729 A CN111622729 A CN 111622729A CN 202010620781 A CN202010620781 A CN 202010620781A CN 111622729 A CN111622729 A CN 111622729A
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- 238000012360 testing method Methods 0.000 title claims abstract description 95
- 230000005611 electricity Effects 0.000 title description 6
- 238000001816 cooling Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 33
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
A fracturing test system, a test bed thereof and electrically-driven fracturing equipment relate to the technical field of oil-gas fracturing; the fracturing test system comprises an electric device, a hydraulic device, a pipeline device, a mechanical fracturing pump and a hydraulic fracturing pump; the electric device is in driving connection with the hydraulic device; the hydraulic device is arranged on the pipeline device, and the mechanical fracturing pump and the hydraulic fracturing pump are respectively connected with the pipeline device; the hydraulic device is used for increasing the oil pressure in the pipeline device and conveying the oil pressure to the mechanical fracturing pump and/or the hydraulic fracturing pump; the electric device adopts a non-frequency conversion technology. The fracturing test stand comprises a fracturing test system; the electrically driven fracturing device includes a fracture testing system. The invention aims to provide a fracturing test system, a test bed thereof and electrically-driven fracturing equipment, so as to solve the technical problems that the driving cost is high and the driving work of fracturing pumps with various specifications cannot be met in the prior art to a certain extent.
Description
Technical Field
The invention relates to the technical field of oil-gas fracturing, in particular to a fracturing test system, a test bed thereof and electric-driving fracturing equipment.
Background
Fracturing is a method of forming cracks in oil and gas layers by utilizing the action of water power in the process of oil extraction or gas production, and is also called hydraulic fracturing. Fracturing is an artificial method for generating cracks in a stratum, improving the flowing environment of oil in the underground and increasing the yield of an oil well, and plays an important role in improving the flowing condition of the bottom of the oil well, slowing down the interlamination and improving the oil layer utilization condition.
At present, the electric drive fracturing equipment and the fracturing test bed are driven by a variable power distribution system to introduce electric power into a variable frequency system, and the electric power is input into a variable frequency motor after passing through a rectifier and an inverter so as to drive a mechanical fracturing pump to perform fracturing operation. The existing electrically-driven fracturing equipment and the existing fracturing test bed are driven by a variable frequency motor, and the cost of a frequency converter is very high, so that the cost control of the electrically-driven fracturing equipment and the existing fracturing test bed is not facilitated, and the popularization of the electrically-driven fracturing equipment and the fracturing test bed is influenced. In addition, the variable frequency motor transmission can only drive one fracturing pump, and the driving work of fracturing pumps with various specifications cannot be met.
Disclosure of Invention
The invention aims to provide a fracturing test system, a test bed thereof and electrically-driven fracturing equipment, so as to solve the technical problems that the driving cost is high and the driving work of fracturing pumps with various specifications cannot be met in the prior art to a certain extent.
In order to achieve the purpose, the invention provides the following technical scheme:
a fracturing test system comprises an electric device, a hydraulic device, a pipeline device, a mechanical fracturing pump and a hydraulic fracturing pump;
the electric device is in driving connection with the hydraulic device;
the hydraulic device is arranged on the pipeline device, and the mechanical fracturing pump and the hydraulic fracturing pump are respectively connected with the pipeline device; the hydraulic device is used for increasing the oil pressure in the pipeline device and conveying the oil pressure to the mechanical fracturing pump and/or the hydraulic fracturing pump;
the electric device adopts a non-frequency conversion technology.
In any of the above technical solutions, optionally, the fracture testing system further includes a transfer device;
the electric device is in driving connection with the hydraulic device through the transfer case.
In any of the above solutions, optionally, the electric device includes one or more motors; each of the motors is drivingly connected to the transfer device.
In any of the above technical solutions, optionally, the motor is a distributed asynchronous motor;
and/or the transfer device is a transfer case.
In any of the above technical solutions, optionally, the pipeline device includes a first hydraulic pipeline and a second hydraulic pipeline;
the hydraulic device is connected with the mechanical fracturing pump through the first hydraulic pipeline;
the hydraulic device is connected with the hydraulic fracturing pump through the second hydraulic pipeline;
the oil pressure in the first hydraulic line is lower than the oil pressure in the second hydraulic line.
In any of the above technical solutions, optionally, the first hydraulic line is connected to the mechanical fracturing pump through a transmission case.
In any of the above technical solutions, optionally, the fracture testing system includes a water cooling device;
and/or the hydraulic device comprises one or more oil pumps.
In any of the above technical solutions, optionally, the water cooling device includes a water cooling pipeline; the water cooling pipeline is partially or completely sleeved outside the pipeline device;
and/or the pipeline device is a closed circulation pipeline.
A fracturing test stand comprises a fracturing test system.
An electrically driven fracturing apparatus includes a fracture testing system.
The invention has the following beneficial effects:
according to the fracturing test system, the test bed and the electrically-driven fracturing equipment provided by the invention, the hydraulic device is connected through the driving of the electric device, so that the hydraulic device works and the oil pressure in the pipeline device is increased, and then the oil with increased pressure is conveyed to the mechanical fracturing pump and/or the hydraulic fracturing pump, so that the mechanical fracturing pump and/or the hydraulic fracturing pump are driven to perform fracturing operation. The fracturing test system and the test bed thereof and the electrically-driven fracturing equipment are connected with the hydraulic device in a driving way through the electric device, so that the driving of the fracturing pumps with various specifications of the mechanical fracturing pump and the hydraulic fracturing pump can be met, and the mode that the variable frequency motor can only drive one type of fracturing pump in the prior art is improved; in addition, through the electric actuator who adopts non-frequency conversion technique, greatly reduced electric actuator's cost, be favorable to the quick popularization of electricity to drive fracturing equipment and fracturing test bench.
In order to make the aforementioned and other objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a first structure of a fracture testing system according to an embodiment of the present invention;
FIG. 2 is a top view of the fracture testing system shown in FIG. 1;
fig. 3 is a schematic diagram of a second structure of a fracture testing system according to an embodiment of the present invention.
Icon: 100-an electric device; 200-a transfer case; 300-a hydraulic device; 400-a pipe means; 410-a first hydraulic line; 420-a second hydraulic line; 500-a transmission case; 600-mechanical fracturing pumps; 700-hydraulic fracturing pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
Referring to fig. 1 to 3, the present embodiment provides a fracturing test system; fig. 2 and 3 are schematic diagrams of two structures of the fracture testing system provided in the embodiment; FIG. 1 is a front view of a fracture testing system; FIG. 2 is a top view of the fracture testing system shown in FIG. 1; FIG. 3 is a top view of another configuration of a fracture testing system.
The fracturing test system that this embodiment provided can be used to the fracturing test bench, still can be used to electrically drive fracturing sled, electrically drive fracturing unit such as fracturing truck.
Referring to fig. 1 to 3, the fracturing test system includes an electric device 100, a hydraulic device 300, a pipeline device 400, a mechanical fracturing pump 600 and a hydraulic fracturing pump 700;
the electric device 100 is connected with the hydraulic device 300 in a driving way;
the pipeline device 400 is provided with a hydraulic device 300, and the mechanical fracturing pump 600 and the hydraulic fracturing pump 700 are respectively connected with the pipeline device 400.
The hydraulic device 300 is used for increasing the oil pressure in the pipeline device 400 and transmitting the oil pressure to the mechanical fracturing pump 600 and/or the hydraulic fracturing pump 700; that is, the pressure-increased oil is delivered to the mechanical fracturing pump 600, or the pressure-increased oil is delivered to the hydraulic fracturing pump 700, or the pressure-increased oil is delivered to the mechanical fracturing pump 600 and the hydraulic fracturing pump 700.
The electric device 100 employs non-variable frequency technology.
The fracturing test system in the embodiment comprises an electric device 100, a hydraulic device 300, a pipeline device 400, a mechanical fracturing pump 600 and a hydraulic fracturing pump 700; the hydraulic device 300 is driven and connected by the electric device 100, so that the hydraulic device 300 works and the oil pressure in the pipeline device 400 is increased, and then the oil with the increased pressure is conveyed to the mechanical fracturing pump 600 and/or the hydraulic fracturing pump 700, so that the mechanical fracturing pump 600 and/or the hydraulic fracturing pump 700 is driven to perform fracturing operation. The fracturing test system can meet the driving requirements of the fracturing pumps with various specifications of a mechanical fracturing pump 600 and a hydraulic fracturing pump 700 by driving and connecting the hydraulic device 300 through the electric device 100, and improves the mode that a variable frequency motor can only drive one type of fracturing pump in the prior art; in addition, through adopting the electric actuator 100 of non-frequency conversion technique, greatly reduced electric actuator 100's cost, be favorable to the quick popularization of electricity to drive fracturing equipment and fracturing test bench.
In the prior art, an electrically-driven fracturing device and a fracturing test bed adopt a variable frequency motor to drive a mechanical fracturing pump to perform fracturing operation; because the frequency converter is very high in cost, the cost control of the electric drive fracturing equipment and the fracturing test bed is not facilitated, and the popularization of the frequency converter is influenced. And the embodiment the fracturing test system through the electric actuator 100 who adopts non-frequency conversion technique, greatly reduced electric actuator 100's cost, and then reduced fracturing test system's cost to reduce the cost that adopts fracturing test system's electricity to drive fracturing equipment and fracturing test bench, be favorable to the quick popularization of electricity to drive fracturing equipment and fracturing test bench. Because the variable frequency motor can only drive one type of fracturing pump, the conventional electrically-driven fracturing equipment and the fracturing test bed cannot meet the driving requirements of fracturing pumps with various specifications; the fracturing test system described in this embodiment can realize the transmission of one or more fracturing pumps by the way of driving and connecting the hydraulic device 300 through the electric device 100, and can satisfy the driving of the fracturing pumps of multiple specifications of the mechanical fracturing pump 600 and the hydraulic fracturing pump 700, thereby improving the test efficiency and the transmission efficiency.
Referring to fig. 1-3, in an alternative to the present embodiment, the fracture testing system includes a transfer case 200.
The electric device 100 is drivingly connected to the hydraulic device 300 through the transfer device 200. Through the transfer device 200 to distribute the power of the electric device 100; so that the electric device 100 can drive and connect a greater number of hydraulic devices 300, and further can meet the driving of the fracturing pumps with various specifications of the mechanical fracturing pump 600 and the hydraulic fracturing pump 700.
Optionally, the transfer device 200 is a transfer case.
Referring to fig. 1-3, in an alternative to the present embodiment, the electric device 100 includes one or more electric motors. For example, the electric device 100 includes one, two, five, and the like electric motors. The specific number of motors may depend on the number of fracturing pumps, the output power of the fracturing test system, and other factors.
Each motor drive is coupled to a transfer gear 200.
Optionally, each motor drive is connected with a transfer case; that is, the number of motors is the same as the number of transfer cases, and corresponds one to one.
In an alternative of this embodiment, the motor is a distributed asynchronous motor. Optionally, the fracture testing system comprises one or more distributed asynchronous motors. The fracturing test system adopts one or more distributed asynchronous motors as driving sources to drive the hydraulic device 300, so that the transmission form of one or more fracturing pumps is realized, and the test efficiency and the transmission efficiency are improved.
Optionally, the hydraulic device 300 includes one or more oil pumps. One or more oil pumps are driven by the electric device 100 as a driving source, that is, one or more oil pumps are driven by the motor as the driving source, so that the transmission form of one or more fracturing pumps is realized, the test efficiency is improved, the transmission efficiency is improved, and the noise can be reduced.
Referring to fig. 3, in an alternative to the present embodiment, the line arrangement 400 includes a first hydraulic line 410 and a second hydraulic line 420.
The hydraulic device 300 is connected to the mechanical fracturing pump 600 through a first hydraulic line 410.
The hydraulic device 300 is connected to the hydraulic fracturing pump 700 through a second hydraulic line 420.
The oil pressure in the first hydraulic line 410 is lower than the oil pressure in the second hydraulic line 420. That is, the oil pressure in the first hydraulic line 410 connected to the mechanical fracturing pump 600 is relatively low, and the oil pressure in the second hydraulic line 420 connected to the hydraulic fracturing pump 700 is relatively high.
Alternatively, the oil pressure in the first hydraulic line 410 is 1Mpa-4Mpa, and the oil pressure in the second hydraulic line 420 is 10Mpa-40 Mpa. Alternatively, the oil pressure in the first hydraulic line 410 is 2Mpa-3Mpa, and the oil pressure in the second hydraulic line 420 is 20Mpa-30 Mpa.
Optionally, the output speed of the mechanical fracturing pump 600 is lower than the output speed of the hydraulic fracturing pump 700.
Referring to fig. 1-3, in an alternative embodiment, the first hydraulic line 410 is connected to the mechanical fracturing pump 600 via a transmission case 500. The transmission efficiency of the mechanical fracturing pump 600 is improved by the transmission case 500.
In an alternative of this embodiment, the fracture testing system includes a water cooling device; compared with the prior art, the fan is adopted for air cooling, the water cooling device is adopted for water cooling of the fracturing test system, the cooling effect is better, the noise is lower, and the environment is more environment-friendly.
Optionally, the water cooling device comprises a water cooling pipeline; a water cooling pipeline is partially or completely sleeved outside the pipeline device 400; the water cooling pipeline is sleeved on part or all of the pipeline device 400, so that the structure is simpler, the pipeline device 400 is more convenient to cool, and the fracturing test system is further convenient to cool.
In this embodiment, the hydraulic device 300 is used to increase the oil pressure in the pipeline device 400, and the oil pressure is increased while the oil temperature is often increased; optionally, a water cooling pipeline is sleeved outside a part of the pipeline device 400 at the output end of the hydraulic device 300.
Referring to fig. 1-3, in an alternative to this embodiment, the line set 400 is a closed circuit line. The pipeline device 400 adopts a closed circulation pipeline mode, an oil tank with a smaller volume can be adopted, pipelines can be saved, and the efficiency of hydraulic oil circulation is improved.
Example two
The second embodiment provides a fracturing test stand, the second embodiment comprises the fracturing test system disclosed in the first embodiment, the technical features of the fracturing test system disclosed in the first embodiment are also applicable to the second embodiment, and the technical features of the fracturing test system disclosed in the first embodiment are not repeatedly described.
The fracturing test stand that this embodiment provided includes the fracturing test system. The fracturing test bed can meet the driving requirements of a mechanical fracturing pump and a hydraulic fracturing pump in various specifications by driving and connecting a hydraulic device through an electric device of a fracturing test system, and improves the mode that a variable frequency motor can only drive one type of fracturing pump in the prior art; in addition, the electric device adopting the non-frequency conversion technology greatly reduces the cost of the electric device and is beneficial to the rapid popularization of the fracturing test bed.
The advantages of the fracturing test system of the first embodiment are provided in the fracturing test stand of this embodiment, and the advantages of the fracturing test system disclosed in the first embodiment are not described repeatedly herein.
EXAMPLE III
The third embodiment provides an electrically-driven fracturing device, the embodiment comprises the fracturing test system described in the first embodiment, the technical characteristics of the fracturing test system disclosed in the first embodiment are also applicable to the third embodiment, and the technical characteristics of the fracturing test system disclosed in the first embodiment are not repeatedly described.
The electrically driven fracturing equipment provided by the embodiment comprises a fracturing test system. The electrically driven fracturing equipment is, for example, an electrically driven fracturing pry, an electrically driven fracturing truck, and the like.
According to the electrically-driven fracturing equipment, the mode that the electric device of the fracturing test system drives the hydraulic device to be connected can be used for meeting the driving requirements of the fracturing pumps with various specifications of the mechanical fracturing pump and the hydraulic fracturing pump, and the mode that a variable frequency motor can only drive one type of fracturing pump in the prior art is improved; in addition, the electric device adopting the non-frequency conversion technology greatly reduces the cost of the electric device and is beneficial to the rapid popularization of the electric driving fracturing equipment.
The electrically driven fracturing equipment in the present embodiment has the advantages of the fracturing test system of embodiment one, and the advantages of the fracturing test system disclosed in embodiment one will not be described again here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fracturing test system is characterized by comprising an electric device (100), a hydraulic device (300), a pipeline device (400), a mechanical fracturing pump (600) and a hydraulic fracturing pump (700);
the electric device (100) is in driving connection with the hydraulic device (300);
the hydraulic device (300) is arranged on the pipeline device (400), and the mechanical fracturing pump (600) and the hydraulic fracturing pump (700) are respectively connected with the pipeline device (400); the hydraulic device (300) is used for raising the oil pressure in the pipeline device (400) and transmitting the oil pressure to the mechanical fracturing pump (600) and/or the hydraulic fracturing pump (700);
the electric device (100) adopts a non-variable frequency technology.
2. The fracture testing system of claim 1, further comprising a transfer device (200);
the electric device (100) is in driving connection with the hydraulic device (300) through the transfer case device (200).
3. The fracture testing system of claim 2, wherein the electrically powered device (100) comprises one or more electric motors; each of the motors is drivingly connected to the transfer device (200).
4. The fracture testing system of claim 3, wherein the motor is a distributed asynchronous motor;
and/or the transfer device (200) is a transfer case.
5. The fracture testing system of any of claims 1-4, wherein the conduit arrangement (400) comprises a first hydraulic conduit (410) and a second hydraulic conduit (420);
the hydraulic device (300) is connected with the mechanical fracturing pump (600) through the first hydraulic pipeline (410);
the hydraulic device (300) is connected with the hydraulic fracturing pump (700) through the second hydraulic pipeline (420);
the oil pressure in the first hydraulic line (410) is lower than the oil pressure in the second hydraulic line (420).
6. The fracturing test system of claim 5, wherein the first hydraulic line (410) is connected to the mechanical fracturing pump (600) via a transmission (500).
7. The fracturing test system of any of claims 1-4, wherein said fracturing test system comprises a water cooling device;
and/or the hydraulic device (300) comprises one or more oil pumps.
8. The fracturing test system of claim 7, wherein said water cooling means comprises a water cooling line; the water cooling pipeline is partially or completely sleeved outside the pipeline device (400);
and/or the pipeline device (400) is a closed circulation pipeline.
9. A fracture testing stand, comprising a fracture testing system according to any one of claims 1-8.
10. An electrically driven fracturing device comprising a fracture testing system according to any of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620781.XA CN111622729A (en) | 2020-06-30 | 2020-06-30 | Fracturing test system and test bench and electricity drive fracturing equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620781.XA CN111622729A (en) | 2020-06-30 | 2020-06-30 | Fracturing test system and test bench and electricity drive fracturing equipment thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111622729A true CN111622729A (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010620781.XA Pending CN111622729A (en) | 2020-06-30 | 2020-06-30 | Fracturing test system and test bench and electricity drive fracturing equipment thereof |
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| Country | Link |
|---|---|
| CN (1) | CN111622729A (en) |
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- 2020-06-30 CN CN202010620781.XA patent/CN111622729A/en active Pending
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