WO2022151481A1 - 压裂设备的高低压管汇供液系统 - Google Patents

压裂设备的高低压管汇供液系统 Download PDF

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Publication number
WO2022151481A1
WO2022151481A1 PCT/CN2021/072539 CN2021072539W WO2022151481A1 WO 2022151481 A1 WO2022151481 A1 WO 2022151481A1 CN 2021072539 W CN2021072539 W CN 2021072539W WO 2022151481 A1 WO2022151481 A1 WO 2022151481A1
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Prior art keywords
low pressure
fracturing
low
supply system
electrically driven
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PCT/CN2021/072539
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English (en)
French (fr)
Inventor
崔树桢
姜一博
兰春强
张坤
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烟台杰瑞石油装备技术有限公司
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Application filed by 烟台杰瑞石油装备技术有限公司 filed Critical 烟台杰瑞石油装备技术有限公司
Priority to PCT/CN2021/072539 priority Critical patent/WO2022151481A1/zh
Publication of WO2022151481A1 publication Critical patent/WO2022151481A1/zh

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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
    • E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks

Definitions

  • the utility model relates to the technical field of oil and gas field fracturing, in particular to a high and low pressure manifold liquid supply system of fracturing equipment.
  • the power and transmission system of traditional fracturing equipment usually includes: a diesel engine as a power source, a fracturing plunger pump as an actuator, and a variable speed transmission connected between the two for power transmission. box and drive shaft.
  • a diesel engine as a power source
  • diesel engines are generally small in power, large in size, high in fuel costs, and generate exhaust and noise pollution.
  • the layout of the well site using the diesel engine as the power source covers a large area. Therefore, the use of electric motors instead of diesel engines and their transmissions to directly drive fracturing equipment has gradually become a new development trend, and has gradually begun to be practically applied.
  • Fig. 1 shows a schematic diagram of the layout of the well site in the prior art, in which the power supply system 1 is usually located far away from the electric-driven fracturing trailer, and is connected to the head of multiple electric-driven fracturing trailers through multiple long cables.
  • the electrical interface near the section is electrically connected to provide electrical energy for the electric drive fracturing equipment 2, and the low-pressure fracturing fluid provided by the electric drive sand mixing equipment 3 on the electric sand mixing trailer is transported through the high and low pressure manifold 4.
  • the electric fracturing equipment 2 pressurizes the low pressure fracturing fluid into a high pressure fracturing fluid and delivers the high pressure fracturing fluid back to the high and low pressure pipes
  • the manifold 4 is transported to the wellhead 5 by the high and low pressure manifold 4 . Since each electric fracturing equipment 2 needs to be electrically connected to the power supply system 1 separately, this arrangement requires a large number of cables, and for the electric fracturing trailer 2, there are connections near the front and rear of the vehicle. The interface is not only complicated to connect, but also hinders the driving of the electric fracturing trailer.
  • the purpose of the present utility model is to provide a high and low pressure manifold liquid supply system for fracturing equipment, which can not only simplify power distribution layout, save well site space, but also facilitate operation.
  • the high and low pressure manifold liquid supply system includes:
  • a high and low pressure manifold disposed on the carrier platform and configured to deliver low pressure fracturing fluid from one or more sand mixing devices to a plurality of electrically driven fracturing devices, and to receive high-pressure fracturing fluid for the plurality of electrically driven fracturing equipment;
  • the support frame is arranged on the bearing platform
  • a distribution switch bay is secured to the support frame and configured to distribute electrical power to the plurality of electrically driven fracturing devices.
  • the generator set does not need to be connected to each electric-driven fracturing equipment separately, but only needs to be connected to the power distribution switch compartment in the high and low pressure manifold fluid supply system, which can greatly reduce the time required for connecting the electric-driven fracturing equipment. cable volume, and thereby simplify the connection complexity of electrically driven fracturing equipment.
  • the high and low pressure manifolds include:
  • a low pressure manifold having one or more low pressure input ports and a plurality of low pressure output ports, the one or more low pressure input ports being in fluid communication with the one or more sand mixing devices to receive input from the the low pressure fracturing fluid of one or more sand mixing devices, the plurality of low pressure output ports in fluid communication with the plurality of electrically driven fracturing devices to deliver the low pressure fracturing fluid to the plurality of electrically driven fracturing devices cracking fluid;
  • a high pressure manifold having a plurality of high pressure input ports and one or more high pressure output ports, the plurality of high pressure input ports being in fluid communication with the plurality of electrically driven fracturing devices to receive input from the plurality of The high pressure fracturing fluid of an electrically driven fracturing device, the one or more high pressure output ports are in fluid communication with the wellhead to deliver the high pressure fracturing fluid to the wellhead.
  • the high and low pressure manifold fluid supply system can simultaneously perform the function of transporting fracturing fluid and the function of power supply.
  • the plurality of low pressure output ports are arranged on both lateral sides of the high and low pressure manifolds, and the plurality of high pressure input ports are arranged on both lateral sides of the high and low pressure manifolds.
  • electric drive fracturing equipment can be connected to both lateral sides of the high and low pressure manifolds, thereby increasing the number of electric drive fracturing equipment and improving operation efficiency.
  • the power distribution switch compartment includes:
  • the electrical energy input interface is electrically connected to the generator set to receive electrical energy provided by the generator set;
  • the plurality of electrical junction boxes being respectively electrically connected to the plurality of electrically driven fracturing devices to deliver electrical energy to the plurality of electrically driven fracturing devices;
  • a plurality of power distribution switches configured to perform power distribution operations on the plurality of electrically driven fracturing devices.
  • the high and low pressure manifolds can perform the function of power distribution to a plurality of electrically driven fracturing equipment while transporting fracturing fluid.
  • the high and low pressure manifold liquid supply system further includes:
  • a plurality of prefabricated low-voltage flow-path cables and a plurality of high-voltage flow-path cables are used to connect the power distribution switch box and the plurality of electrically driven fracturing devices.
  • a plurality of electrically driven fracturing equipment can be directly electrically connected to the high and low voltage manifolds without being separately connected to remote generator sets, which greatly reduces the number of connecting cables.
  • the low-pressure flow path cable is arranged in close proximity to the low-pressure fluid pipeline connected between the plurality of low-pressure output ports and the electric fracturing equipment and is fixed on the low-pressure fluid pipeline
  • the high-pressure flow cable is arranged in close proximity to the high-pressure fluid pipeline connected between the plurality of high-pressure input ports and the electric-driven fracturing equipment and is fixed on the high-pressure fluid pipeline.
  • the cables and the fluid pipelines connected between the electric drive fracturing equipment and the high and low pressure manifolds are arranged adjacent to each other, so that the structure of the high and low pressure manifold liquid supply system of the present invention is more compact.
  • the sand mixing device is an electric drive sand mixing device
  • the power distribution switch compartment is further configured to be able to distribute electrical power to the sand mixing device.
  • the sand mixing equipment can be directly electrically connected to the high and low voltage manifolds without being connected to a remote generator set, which further reduces the number of connecting cables.
  • the electrical junction box is further electrically connected to the sand mixing device, and the power distribution switch is further configured to perform power distribution operations on the sand mixing device.
  • the high and low pressure manifolds can perform the power distribution function to the sand mixing equipment while transporting the fracturing fluid.
  • the electrically-driven fracturing equipment is arranged on an electrically-driven fracturing trailer, and the low-pressure manifold and the high-pressure manifold are connected to each other via the low-pressure fluid pipeline and the high-pressure fluid pipeline, respectively.
  • a fluid interface of the electrically driven fracturing apparatus located near the rear of the electrically driven fracturing trailer is in fluid communication.
  • the low-voltage flow path cable and the high-voltage flow path cable are respectively electrically connected to electrical interfaces of the electrically driven fracturing equipment located near the rear of the electrically driven fracturing trailer.
  • the electrical interface and fluid interface of the electric fracturing equipment are located near the rear of the electric fracturing trailer, which simplifies the connection process and does not hinder the driving of the electric fracturing trailer.
  • the generator set is a gas turbine generator set
  • the fuel used by the gas turbine generator set is compressed natural gas or liquefied natural gas.
  • the electric drive fracturing operation at the well site is more environmentally friendly and efficient.
  • the generator set is a gas turbine generator set
  • the fuel used by the gas turbine generator set is wellhead gas
  • the well-site generator set can directly use the wellhead gas to reduce the cost.
  • Fig. 1 shows a schematic diagram of a well site arrangement in the prior art.
  • FIG. 2 exemplarily shows a high and low pressure manifold liquid supply system according to the present invention.
  • FIG. 3 exemplarily shows the layout of the well site using the high and low pressure manifold liquid supply system according to the present invention.
  • the utility model provides a high and low pressure manifold liquid supply system for fracturing equipment, which integrates power supply facilities.
  • the high and low pressure manifold liquid supply system according to the present invention will be described in detail below with reference to the accompanying drawings.
  • the high and low pressure manifold liquid supply system 40 includes a trailer 41 with a carrying platform, a high and low pressure manifold 42 located on the carrying platform, and a support frame is also provided on the carrying platform 43 , a power distribution switch compartment 44 is arranged on the support frame 43 .
  • Upstream of the high and low pressure manifold 42 is in fluid communication with one or more sand mixing devices 30 (only one shown by way of example in FIG.
  • the high and low pressure manifold liquid supply system 40 further includes a power distribution switch box 44 fixed on the support frame 43 for distributing electric power to the electrically driven fracturing equipment 20 .
  • the high and low pressure manifolds 42 include a low pressure manifold 421 for conveying low pressure fracturing fluid and a high pressure manifold 422 for conveying high pressure fracturing fluid.
  • the low pressure manifold 421 is in fluid communication with one or more sand mixing devices 30 to receive low pressure fracturing fluid therefrom, and the low pressure manifold 421 is also in fluid communication with a plurality of electrically driven fracturing devices 20 to deliver said low pressure fracturing thereto Fluid is used for pressurization.
  • the high pressure manifold 422 is in fluid communication with the plurality of electrically driven fracturing devices 20 to receive high pressure fracturing fluid pressurized by the plurality of electrically driven fracturing devices 20, and the high pressure manifold 422 collects and delivers the high pressure fracturing fluid to wellhead 50 (see Figure 3).
  • the low-pressure manifold 421 has one or more low-pressure input ports 4211 and multiple low-pressure output ports 4212 , and the low-pressure fracturing fluid from the sand mixing device 30 is delivered to the low-pressure manifold 421 via the low-pressure input ports 4211 , and then passes through the low-pressure output ports 4212 It is transported to the electrically driven fracturing equipment 20 for pressurization.
  • the high-pressure manifold 422 has a plurality of high-pressure input ports 4221 and one or more high-pressure output ports 4222, and the high-pressure fracturing fluid pressurized by the electric fracturing device 20 is delivered to the high-pressure manifold 422 through the high-pressure input ports 4221, and then It is delivered into the wellhead 50 via the high pressure output port 4222.
  • the low-pressure output port 4212 of the low-pressure manifold and the high-pressure input port 4221 of the high-pressure manifold are both disposed on the lateral sides of the high and low pressure manifold 42 , so that the electrically driven fracturing equipment 20 is located in the high and low pressure manifold 42 .
  • Both lateral sides of the pipe can be connected to the high and low pressure manifolds 42 .
  • the low-voltage input interface 4211 and the high-voltage output interface 4222 are arranged at both longitudinal ends of the high and low pressure manifold 42 .
  • the power distribution switch box 44 includes an electrical energy input interface and a plurality of electrical junction boxes 441, wherein the electrical energy input interface is electrically connected to the generator set 10 for receiving electrical energy; the electrical junction boxes 441 are respectively connected to A corresponding electrically driven fracturing device 20 is electrically connected to provide electrical power thereto.
  • the power distribution switch bay 44 also includes a plurality of power distribution switches for performing power distribution operations on the electrically driven fracturing equipment 20 .
  • the high and low voltage manifold liquid supply system 40 further includes a plurality of prefabricated low-voltage flow cables and a plurality of high-voltage flow cables (not shown in the figure), which are used for connecting the power distribution switch box 44 and the electrical A current loop is formed between the driven fracturing equipment 20 to deliver electrical energy from the distribution switch bay 44 to the electrically driven fracturing equipment 20 .
  • the low-pressure flow path cable and the low-pressure fluid pipeline 423 connected between the low-pressure output interface 4212 and the electric-driven fracturing equipment 20 for delivering low-pressure fracturing fluid to the electric-driven fracturing equipment 20 are arranged in close proximity, and are preferably fixed at
  • the high-pressure flow cable and the high-pressure fluid pipeline 424 connected between the high-pressure input interface 4221 and the electric drive fracturing equipment 20 for delivering high-pressure fracturing fluid to the high-pressure manifold 422 are arranged in close proximity. , and is preferably secured to the high pressure fluid line 424 .
  • the equipment connection distance can be reduced, the connection time can be reduced, and the efficiency of well site layout can be improved; at the same time, equipment placement and movement are not affected by the connection cables, and can easily leave the well site.
  • the sand mixing device is an electric drive sand mixing device
  • the power distribution switch box 44 can also distribute electric power to the sand mixing device 30 .
  • the electrical junction box 441 is electrically connected to the sand mixing device 30 via a cable, which may be, for example, arranged adjacent to and with a fluid line connected between the electric sand mixing device 30 and the high and low pressure manifolds 42 .
  • the power distribution switch can also perform power distribution operation on the sand mixing equipment 30 .
  • the electrically driven fracturing equipment 20 is installed on an electrically driven fracturing trailer, and the low pressure manifold 421 and the high pressure manifold 422 are connected to the electrical fracturing via the low pressure fluid pipeline 423 and the high pressure fluid pipeline 424 respectively.
  • the fluid interface of the drive fracturing apparatus 20 is in fluid communication, which fluid interface is located near the rear of the electric drive fracturing trailer.
  • the low-voltage flow cable and the high-voltage flow cable are respectively electrically connected to the electrical interface of the electric-driven fracturing equipment 20, and the electrical interface is also located near the rear of the electric-driven fracturing trailer.
  • the power distribution layout of the fracturing trailer thereby simplifying the electrical connection process and reducing the obstruction to the driving of the electric fracturing trailer.
  • the generator set 10 may be a gas turbine generator set, and the fuel used by the gas turbine generator set may be compressed natural gas (CNG), liquefied natural gas (LNG) or wellhead gas.
  • CNG compressed natural gas
  • LNG liquefied natural gas
  • the high and low pressure manifold liquid supply system of the utility model supplies power to the electric drive fracturing equipment, which can effectively simplify the layout of the power supply and distribution system at the well site, reduce the cable connection distance, and shorten the connection time, thereby improving the well site layout efficiency.
  • the electrical connection and fracturing fluid connection are located at the rear of the electric fracturing trailer, it will not affect the movement of the electric fracturing trailer and can easily leave the well site.

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Abstract

一种用于压裂设备的高低压管汇供液系统，其包括拖车、设置在拖车上的高低压管汇、设置在拖车上的支撑架以及设置在支撑架上的配电开关仓，所述配电开关仓能够与电驱压裂设备电连接并且被配置成能够向电驱压裂设备分配电力。通过集成有供电设施的高低压管汇供液系统给电驱压裂设备供电，能够有效简化井场的供配电系统，减少电缆连接距离，降低连接时间，从而提高井场布置效率。

Description

压裂设备的高低压管汇供液系统 技术领域
本实用新型涉及油气田压裂技术领域，具体地，涉及一种压裂设备的高低压管汇供液系统。
背景技术
在油气田压裂作业现场，传统的压裂设备的动力及传动系统通常包括：作为动力源的柴油发动机、作为执行元件的压裂柱塞泵、以及连接在二者之间用于传递动力的变速箱和传动轴。然而，将柴油发动机作为动力源存在一些缺点，例如柴油发动机通常功率小、体积大、燃油费用高、而且会产生废气污染和噪音污染。同时，采用柴油发动机作为动力源的井场布置占地面积较大。由此，采用电动机来代替柴油发动机及其传动装置直接驱动压裂设备的方案逐渐成为新的发展趋势，并已逐步开始实际应用。但是，当采用电驱动的压裂设备时，存在井场的供配电系统连接复杂、连接距离长、连接耗时长等问题。并且，由于电驱压裂设备的电接口位于用于承载电驱压裂设备的电驱压裂拖车的车头部，而电驱压裂设备的压裂流体连接接口位于电驱压裂拖车的车尾部，这对电驱压裂拖车的行驶形成了阻碍。
图1示出了现有技术的井场布置示意图，其中供电系统1通常位于距电驱压裂拖车较远的位置，通过多路较长的电缆与位于多个电驱压裂拖车的车头部(图中左侧)附近的电接口电连接为电驱压裂设备2提供电能，由电驱混砂拖车上的电驱混砂设备3提供的低压压裂流体经由高低压管汇4输送至位于电驱压裂拖车的车尾部(图中右侧)附近的流体接口，电驱压裂设备2将低压压裂流体加压成高压压裂流体并将高压压裂流体输送回高低压管汇4并由高低压管汇4输送至井口5。由于每个电驱压裂设备2均需要单独与供电系统1电连接，因此这种布置方式需要大量的电缆，而且对于电驱压裂拖 车2而言，由于其车头和车尾附近均具有连接接口，不仅连接复杂，而且对电驱压裂拖车的行驶形成了阻碍。
因此，需要对井场的供配电系统进行改进，以至少部分地解决上述问题。
实用新型内容
本实用新型的目的在于，提供一种用于压裂设备的高低压管汇供液系统，其不仅能够简化配电布置，节省井场空间，还方便操作。
根据本实用新型的一个方面，所述高低压管汇供液系统包括：
拖车，所述拖车具有承载平台；
高低压管汇，所述高低压管汇设置在所述承载平台上并且被构造成能够将来自一个或多个混砂设备的低压压裂流体输送至多个电驱压裂设备，并且接收来自所述多个电驱压裂设备的高压压裂流体；
支撑架，所述支撑架设置在所述承载平台上；
配电开关仓，所述配电开关仓固定在所述支撑架上并且被配置成能够向所述多个电驱压裂设备分配电力。
根据本方案，发电机组无需与每个电驱压裂设备单独连接，仅需与高低压管汇供液系统中的配电开关仓连接即可，能够大大减少连接电驱压裂设备所需的电缆量，并且从而简化电驱压裂设备的连接复杂程度。
在一种实施方式中，所述高低压管汇包括：
低压管汇，所述低压管汇具有一个或多个低压输入接口和多个低压输出接口，所述一个或多个低压输入接口与所述一个或多个混砂设备流体连通以接收来自所述一个或多个混砂设备的所述低压压裂流体，所述多个低压输出接口与所述多个电驱压裂设备流体连通以向所述多个电驱压裂设备输送所述低压压裂流体；
高压管汇，所述高压管汇具有多个高压输入接口和一个或多个高压输出接口，所述多个高压输入接口与所述多个电驱压裂设备流体连通以接收来自所述多个电驱压裂设备的所述高压压裂流体，所 述一个或多个高压输出接口与所述井口流体连通以向所述井口输送所述高压压裂流体。
根据本方案，高低压管汇供液系统能够同时执行输送压裂流体的功能和供电功能。
在一种实施方式中，所述多个低压输出接口被布置在所述高低压管汇的横向两侧，并且所述多个高压输入接口被布置在所述高低压管汇的横向两侧。
根据本方案，高低压管汇的横向两侧均可以连接电驱压裂设备，增加电驱压裂设备的数量，提高作业效率。
在一种实施方式中，所述配电开关仓包括：
电能输入接口，所述电能输入接口与发电机组电连接以接收由所述发电机组提供的电能；
多个电气接线盒，所述多个电气接线盒分别与所述多个电驱压裂设备电连接以将电能输送至所述多个电驱压裂设备；以及
多个配电开关，所述多个配电开关被配置成能够对所述多个电驱压裂设备执行配电操作。
根据本方案，高低压管汇能够在输送压裂流体的同时执行对多个电驱压裂设备的配电功能。
在一种实施方式中，所述高低压管汇供液系统还包括：
预制的多根低压流路电缆和多根高压流路电缆，用于连接所述配电开关仓与所述多个电驱压裂设备。
根据本方案，多个电驱压裂设备可直接与高低压管汇电连接而无需分别连接至较远的发电机组，大大减少了连接电缆的数量。
在一种实施方式中，所述低压流路电缆与连接在所述多个低压输出接口和所述电驱压裂设备之间的低压流体管路紧邻布置并且固定在所述低压流体管路上，并且所述高压流路电缆与连接在所述多个高压输入接口和所述电驱压裂设备之间的高压流体管路紧邻布置并且固定在所述高压流体管路上。
根据本方案，电缆与连接在电驱压裂设备和高低压管汇之间的 流体管路相邻地布置在一起，使本实用新型的高低压管汇供液系统的结构更加紧凑。
在一种实施方式中，所述混砂设备为电驱混砂设备，所述配电开关仓还被配置成能够向所述混砂设备分配电力。
根据本方案，混砂设备可直接与高低压管汇电连接而无需连接至较远的发电机组，进一步减少了连接电缆的数量。
在一种实施方式中，所述电气接线盒还与所述混砂设备电连接，所述配电开关还被配置成能够对所述混砂设备执行配电操作。
根据本方案，高低压管汇能够在输送压裂流体的同时执行对混砂设备的配电功能。
在一种实施方式中，所述电驱压裂设备设置在电驱压裂拖车上，所述低压管汇和所述高压管汇分别经由所述低压流体管路和所述高压流体管路与所述电驱压裂设备的位于所述电驱压裂拖车的车尾部附近的流体接口流体连通。
在上述实施方式中，所述低压流路电缆和所述高压流路电缆分别与所述电驱压裂设备的位于所述电驱压裂拖车的车尾部附近的电气接口电连接。
根据本方案，电驱压裂设备的电接口和流体接口均位于电驱压裂拖车的车尾部附近，简化了连接过程，同时不会对电驱压裂拖车的行驶造成阻碍。
在一种实施方式中，所述发电机组为燃气轮机发电机组，所述燃气轮机发电机组使用的燃料为压缩天然气或者液化天然气。
根据本方案，井场的电驱压裂作业更加环保、高效。
在一种实施方式中，所述发电机组为燃气轮机发电机组，所述燃气轮机发电机组使用的燃料为井口气。
根据本方案，井场发电机组可直接利用井口气，降低成本。
附图说明
为了更好地理解本实用新型的上述及其他目的、特征、优点和 功能，可以参考附图中所示的优选实施方式。附图中相同的附图标记指代相同的部件。本领域技术人员应该理解，附图旨在示意性地阐明本实用新型的优选实施方式，对本实用新型的范围没有任何限制作用，图中各个部件并非按比例绘制。
图1示出了现有技术的井场布置示意图。
图2示例性示出了根据本实用新型的高低压管汇供液系统。
图3示例性示出了采用根据本实用新型的高低压管汇供液系统的井场布置图。
附图标记说明：
1    发电机组
2    电驱压裂设备
3    电驱混砂设备
4    高低压管汇
5    井口
10   发电机组
20   电驱压裂设备
30   混砂设备
40   高低压管汇供液系统
41   拖车
42   高低压管汇
421  低压管汇
4211 低压输入接口
4212 低压输出接口
422  高压管汇
4221 高压输入接口
4222 高压输出接口
423  低压流体管路
424  高压流体管路
43   支撑架
44   配电开关仓
441  电气接线盒
50   井口
具体实施方式
现在参考附图，详细描述本实用新型的具体实施方式。这里所描述的仅仅是根据本实用新型的优选实施方式，本领域技术人员可以在所述优选实施方式的基础上想到能够实现本实用新型的其他方式，所述其他方式同样落入本实用新型的范围。
本实用新型提供一种用于压裂设备的高低压管汇供液系统，该系统集成了供电设施。下面结合附图对根据本实用新型的高低压管汇供液系统进行详细介绍。
如图2和图3所示，根据本实用新型的高低压管汇供液系统40包括具有承载平台的拖车41、位于承载平台上的高低压管汇42，在承载平台上还设有支撑架43，在支撑架43上设置配电开关仓44。高低压管汇42上游与一个或多个混砂设备30(图3仅示例性示出一个)流体连通以从其接收低压压裂流体，高低压管汇42下游与多个电驱压裂设备20流体连通以向其输送所述低压压裂流体，电驱压裂设备20将低压压裂流体加压成高压压裂流体后输送回高低压管汇42，然后经由高低压管汇42输送至油气田的井口中用于压裂作业。进一步地，根据本实用新型的高低压管汇供液系统40还包括固定在支撑架43上的配电开关仓44，用于向电驱压裂设备20分配电力。
根据本实用新型的一种优选实施方式，高低压管汇42包括用于输送低压压裂流体的低压管汇421和用于输送高压压裂流体的高压管汇422。低压管汇421与一个或多个混砂设备30流体连通以从其接收低压压裂流体，并且低压管汇421还与多个电驱压裂设备20流体连通以向其输送所述低压压裂流体用于加压。高压管汇422与所述多个电驱压裂设备20流体连通，以接收经所述多个电驱压裂设备 20加压的高压压裂流体，高压管汇422汇集高压压裂流体并输送至井口50(参见图3)。
低压管汇421具有一个或多个低压输入接口4211和多个低压输出接口4212，来自混砂设备30的低压压裂流体经由低压输入接口4211输送至低压管汇421中，接着经由低压输出接口4212输送至电驱压裂设备20中进行加压。
高压管汇422具有多个高压输入接口4221和一个或多个高压输出接口4222，经电驱压裂设备20加压过的高压压裂流体经由高压输入接口4221输送至高压管汇422中，接着经由高压输出接口4222输送至井口50中。
在一个优选实施方式中，低压管汇的低压输出接口4212和高压管汇的高压输入接口4221均设置在高低压管汇42的横向两侧，使得电驱压裂设备20在高低压管汇42的横向两侧均可以与高低压管汇42连接。
进一步优选地，低压输入接口4211和高压输出接口4222设置在高低压管汇42的纵向两端。
根据本实用新型的一种优选实施方式，配电开关仓44包括电能输入接口和多个电气接线盒441，其中，电能输入接口与发电机组10电连接用于接收电能；电气接线盒441分别与对应的电驱压裂设备20电连接以向其提供电能。进一步地，配电开关仓44还包括多个配电开关，用于对电驱压裂设备20执行配电操作。
在一个优选实施方式中，高低压管汇供液系统40还包括预制的多根低压流路电缆以及多根高压流路电缆(图中未示出)，用于在配电开关仓44和电驱压裂设备20之间形成电流回路以将电能从配电开关仓44输送至电驱压裂设备20。其中，低压流路电缆与连接在低压输出接口4212和电驱压裂设备20之间的用于向电驱压裂设备20输送低压压裂流体的低压流体管路423紧邻布置，并且优选固定在所述低压流体管路423上，高压流路电缆与连接在高压输入接口4221和电驱压裂设备20之间的用于向高压管汇422输送高压压裂流 体的高压流体管路424紧邻布置，并且优选固定在高压流体管路424上。通过提前预制高低压供电线缆，可减少设备连接距离，降低连接时间，提高井场布置效率；同时设备摆放和移动不受连接电缆的影响，可以方便的离开井场。
在一个优选实施方式中，混砂设备为电驱混砂设备，配电开关仓44还能够向混砂设备30分配电力。在该实施方式中，电气接线盒441经由电缆与混砂设备30电连接，该电缆例如可以与连接在电驱混砂设备30和高低压管汇42之间的流体管路相邻布置并且与其固定，同时所述配电开关还能够对混砂设备30执行配电操作。
根据本实用新型的一种优选实施方式，电驱压裂设备20设置在电驱压裂拖车上，低压管汇421和高压管汇422分别经由低压流体管路423和高压流体管路424与电驱压裂设备20的流体接口流体连通，该流体接口位于电驱压裂拖车的车尾部附近。并且，低压流路电缆和高压流路电缆分别与电驱压裂设备20的电气接口电连接，该电气接口同样位于电驱压裂拖车的车尾部附近，如此设置的优点在于能够简化电驱压裂拖车的配电布置、从而简化电连接过程并减少对电驱压裂拖车行驶的阻碍。
在一个优选实施方式中，发电机组10可以是燃气轮机发电机组，该燃气轮机发电机组使用的燃料可以是压缩天然气(CNG)、液化天然气(LNG)或者井口气。
通过本实用新型的高低压管汇供液系统来给电驱压裂设备供电，能够有效简化井场的供配电系统布置，减少线缆连接距离，降低连接时间，从而提高井场布置效率。同时，由于电路连接和压裂流体连接均位于电驱压裂拖车的车尾部，因此不会影响电驱压裂拖车的移动，可以方便地离开井场。
本实用新型的多种实施方式的以上描述出于描述的目的提供给相关领域的一个普通技术人员。不意图将本实用新型排他或局限于单个公开的实施方式。如上，以上教导的领域中的普通技术人员将明白本实用新型的多种替代和变型。因此，虽然具体描述了一些替 代实施方式，本领域普通技术人员将明白或相对容易地开发其他实施方式。本实用新型旨在包括这里描述的本实用新型的所有替代、改型和变型，以及落入以上描述的本实用新型的精神和范围内的其他实施方式。

Claims (12)

  1. 一种用于压裂设备的高低压管汇供液系统(40)，其特征在于，所述高低压管汇供液系统包括：
    拖车(41)，所述拖车具有承载平台；
    高低压管汇(42)，所述高低压管汇设置在所述承载平台上并且被构造成能够将来自一个或多个混砂设备(30)的低压压裂流体输送至多个电驱压裂设备(20)，并且接收来自所述多个电驱压裂设备(20)的高压压裂流体；
    支撑架(43)，所述支撑架设置在所述承载平台上；
    配电开关仓(44)，所述配电开关仓固定在所述支撑架上并且被配置成能够向所述多个电驱压裂设备(20)分配电力。
  2. 根据权利要求1所述的高低压管汇供液系统，其特征在于，所述高低压管汇(42)包括：
    低压管汇(421)，所述低压管汇(421)具有一个或多个低压输入接口(4211)和多个低压输出接口(4212)，所述一个或多个低压输入接口(4211)与所述一个或多个混砂设备(30)流体连通以接收来自所述一个或多个混砂设备的所述低压压裂流体，所述多个低压输出接口(4212)与所述多个电驱压裂设备(20)流体连通以向所述多个电驱压裂设备输送所述低压压裂流体；
    高压管汇(422)，所述高压管汇(422)具有多个高压输入接口(4221)和一个或多个高压输出接口(4222)，所述多个高压输入接口(4221)与所述多个电驱压裂设备(20)流体连通以接收来自所述多个电驱压裂设备(20)的所述高压压裂流体，所述一个或多个高压输出接口(4222)与所述井口(50)流体连通以向所述井口输送所述高压压裂流体。
  3. 根据权利要求2所述的高低压管汇供液系统，其特征在于，所述多个低压输出接口(4212)被布置在所述高低压管汇(42)的横向两侧，并且所述多个高压输入接口(4221)被布置在所述高低 压管汇(42)的横向两侧。
  4. 根据权利要求3所述的高低压管汇供液系统，其特征在于，所述配电开关仓(44)包括：
    电能输入接口，所述电能输入接口与发电机组(10)电连接以接收由所述发电机组提供的电能；
    多个电气接线盒(441)，所述多个电气接线盒分别与所述多个电驱压裂设备(20)电连接以将电能输送至所述多个电驱压裂设备；以及
    多个配电开关，所述多个配电开关被配置成能够对所述多个电驱压裂设备(20)执行配电操作。
  5. 根据权利要求4所述的高低压管汇供液系统，其特征在于，还包括：
    预制的多根低压流路电缆和多根高压流路电缆，用于电连接所述配电开关仓(44)与所述多个电驱压裂设备(20)。
  6. 根据权利要求5所述的高低压管汇供液系统，其特征在于，所述低压流路电缆与连接在所述多个低压输出接口(4212)和所述电驱压裂设备(20)之间的低压流体管路(423)紧邻布置并且固定在所述低压流体管路上，并且所述高压流路电缆与连接在所述多个高压输入接口(4221)和所述电驱压裂设备(20)之间的高压流体管路(424)紧邻布置并且固定在所述高压流体管路上。
  7. 根据权利要求1所述的高低压管汇供液系统，其特征在于，所述混砂设备(30)为电驱混砂设备，所述配电开关仓(44)还被配置成能够向所述混砂设备(30)分配电力。
  8. 根据权利要求4所述的高低压管汇供液系统，其特征在于，所述电气接线盒(441)还与所述混砂设备(30)电连接，所述配电开关还被配置成能够对所述混砂设备执行配电操作。
  9. 根据权利要求5所述的高低压管汇供液系统，其特征在于，所述电驱压裂设备(20)设置在电驱压裂拖车上，所述低压管汇(421)和所述高压管汇(422)分别经由所述低压流体管路(423)和所述 高压流体管路(424)与所述电驱压裂设备(20)的位于所述电驱压裂拖车的车尾部附近的流体接口流体连通。
  10. 根据权利要求9所述的高低压管汇供液系统，其特征在于，所述低压流路电缆和所述高压流路电缆分别与所述电驱压裂设备(20)的位于所述电驱压裂拖车的车尾部附近的电气接口电连接。
  11. 根据权利要求4所述的高低压管汇供液系统，其特征在于，所述发电机组(10)为燃气轮机发电机组，所述燃气轮机发电机组使用的燃料为压缩天然气(CNG)或者液化天然气(LNG)。
  12. 根据权利要求4所述的高低压管汇供液系统，其特征在于，所述发电机组(10)为燃气轮机发电机组，所述燃气轮机发电机组使用的燃料为井口气。
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