WO2021108985A1 - Système d'agencement de site de puits de fracturation - Google Patents

Système d'agencement de site de puits de fracturation Download PDF

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Publication number
WO2021108985A1
WO2021108985A1 PCT/CN2019/122709 CN2019122709W WO2021108985A1 WO 2021108985 A1 WO2021108985 A1 WO 2021108985A1 CN 2019122709 W CN2019122709 W CN 2019122709W WO 2021108985 A1 WO2021108985 A1 WO 2021108985A1
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WO
WIPO (PCT)
Prior art keywords
equipment
electric drive
fracturing
gas
sand
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Application number
PCT/CN2019/122709
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English (en)
Chinese (zh)
Inventor
崔树桢
常胜
张鹏
Original Assignee
烟台杰瑞石油装备技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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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/CN2019/122709 priority Critical patent/WO2021108985A1/fr
Publication of WO2021108985A1 publication Critical patent/WO2021108985A1/fr

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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

Definitions

  • the invention relates to the technical field of oil gas pressure fracturing, in particular to a wellsite layout system for fracturing.
  • the configuration of the power transmission system adopted by the traditional fracturing equipment is that the diesel engine is connected to the gearbox and the fracturing plunger pump is driven by the drive shaft.
  • the power source is the diesel engine and the transmission
  • the device is a gearbox and a drive shaft, and the actuator is a fracturing plunger pump.
  • Conventional diesel engine drives have some shortcomings, such as low power, large volume, complex well site layout, high noise, exhaust emissions, and high fuel costs.
  • electric fracturing equipment has been used successively to replace the existing conventional diesel drive, but the existing electric fracturing wellsite power supply and distribution system is complicated in configuration, with many wiring and wiring time-consuming; electric fracturing equipment The output power is small.
  • it is often necessary to arrange a large number of electric drive fracturing equipment at the well site.
  • the large number of electric drive fracturing equipment also adds to the complexity of the power supply connection to a certain extent.
  • the purpose of the present invention overcomes the shortcomings of the prior art and provides a well site layout system for fracturing.
  • the well site layout system uses a gas turbine engine and a generator to directly output high-voltage electricity through high-voltage switches and frequency converters of power distribution equipment.
  • the transformer supplies power to the electric drive fracturing equipment.
  • Each electric drive fracturing equipment is equipped with two sets of terminal blocks, which can realize a set of high-voltage cable input and directly supply two electric drive fracturing equipment, which simplifies the circuit wiring, and is quick to install.
  • the frequency converter and transformer are installed on the electric drive fracturing equipment, which simplifies the circuit wiring and saves installation time.
  • the low-voltage switch of the power distribution equipment, auxiliary transformer, and rectifier unit supply power to the electric drive sand mixing equipment and instrument equipment.
  • the gas source of the gas turbine engine can use one or more of CNG, LNG, wellhead gas, and pipeline gas.
  • the choice of gas source is flexible, which provides a guarantee for the wellsite layout system to adapt to a wider range of conditions and replaces the traditional diesel engine. Reduce exhaust emissions and reduce fuel costs.
  • the wellhead gas treatment adopts a series of membrane separation devices. The dehydration membrane separator and the heavy hydrocarbon membrane separator are used to achieve dehydration and heavy hydrocarbon removal respectively.
  • the entire purification equipment has a simple structure, easy assembly, small footprint, no additional materials and Reagent consumption and low operating costs provide a guarantee for reducing the footprint of the entire wellsite layout system and reducing operating costs.
  • the electric drive fracturing equipment adopts the form of single motor and single plunger pump, which is more flexible to use; the plunger pump adopts a 7000hp five-cylinder plunger pump, which makes the output power of a single electric drive fracturing equipment higher, which can meet the requirements of the well site In the case of fracturing power requirements, compared with other low-power electric fracturing equipment, the electric drive fracturing equipment has a smaller actual demand, which greatly reduces the footprint of the electric drive fracturing equipment.
  • a fracturing wellsite layout system including gas source, processing equipment, power supply system, power distribution system, electric drive fracturing equipment, electric drive sand mixing equipment, sand supply Equipment, liquid supply equipment, instrument equipment, high and low voltage manifolds.
  • the gas source is processed by the processing equipment to provide the power supply system with fuel required for power generation.
  • the power supply system drives the electric drive fracturing equipment and the electric power supply system through the power distribution system.
  • Sand driving and mixing equipment, sand supply equipment provides fracturing sand for electric drive sand mixing equipment, and liquid supply equipment provides liquid required for electric drive sand mixing equipment.
  • the output end of the electric drive sand mixing equipment passes high and low pressure.
  • the manifold is connected with the electric drive fracturing equipment, the electric drive fracturing equipment is connected to the wellhead through the high and low pressure manifold, and the instrumentation equipment is used to remotely control the electric drive fracturing equipment and the electric drive sand mixing equipment.
  • the gas source is CNG and/or LNG and/or wellhead gas and/or pipeline gas.
  • the processing equipment of the wellhead gas is a purification equipment
  • the purification equipment includes a filter, a compressor, an air cooler, a gas-liquid separator, a dehydration membrane separator, and a heavy hydrocarbon membrane separator.
  • One end is connected to the wellhead gas pipeline, the air outlet of the filter is connected to the inlet end of the compressor, the outlet end of the compressor is connected to one end of the air cooler, and the other end of the air cooler is connected to The inlet of the gas-liquid separator is connected, the gas outlet of the gas-liquid separator is connected with the inlet of the dehydration membrane separator, and the gas outlet of the dehydration membrane separator is connected with the heavy hydrocarbon membrane separator .
  • the power distribution system includes a high-voltage switch, a low-voltage switch, an auxiliary transformer, a rectifier unit, the high-voltage switch, a low-voltage switch, an auxiliary transformer, and a rectifier unit are integrated on a power distribution semi-trailer, the gas turbine engine of the power supply system and
  • the high-voltage generator directly emits high voltage, which is multiplexed to the electric drive fracturing equipment through the high-voltage switch of the power distribution system, and supplies power to the electric drive sand mixing equipment and instrument equipment through the low-voltage switch of the power distribution system, auxiliary transformer, and rectifier unit.
  • the electric drive fracturing equipment includes a plunger pump, a radiator, and an electric motor, one electric motor, one radiator, one plunger pump, the electric motor is connected to the plunger pump, and the radiator is a plunger.
  • the lubricating oil of the pump provides cooling.
  • the plunger pump is a five-cylinder plunger pump of 7000 hp.
  • the electric drive fracturing equipment is a semi-trailer vehicle with more than 4 axles.
  • the power distribution system includes a transformer and a frequency converter, the transformer and the frequency converter are integrated on the electric drive fracturing equipment, and the power supply system supplies power to the electric drive fracturing equipment through the frequency converter and the transformer.
  • each of the electric drive fracturing equipment is provided with two sets of wiring terminals, and one set of wiring terminals is used for power supply of the adjacent electric drive fracturing equipment.
  • the present invention has the beneficial effects of providing a wellsite layout system for fracturing, which uses gas turbine engines and generators to directly output high-voltage electricity through high-voltage switches of power distribution equipment.
  • the frequency converter and transformer supply power to the electric drive fracturing equipment.
  • Each electric drive fracturing equipment is equipped with two sets of terminals, which can realize a set of high-voltage cable input and directly supply two electric drive fracturing equipment, which simplifies the circuit wiring and installation. It is fast, and the frequency converter and transformer are installed on the electric drive fracturing equipment, which simplifies the circuit wiring and saves the installation time.
  • the low-voltage switch of the power distribution equipment, auxiliary transformer, and rectifier unit supply power to the electric drive sand mixing equipment and instrument equipment.
  • the gas source of the gas turbine engine can use one or more of CNG, LNG, wellhead gas, and pipeline gas.
  • the choice of gas source is flexible, which provides a guarantee for the wellsite layout system to adapt to a wider range of conditions and replaces the traditional diesel engine. Reduce exhaust emissions and reduce fuel costs.
  • the wellhead gas treatment adopts a series of membrane separation devices. The dehydration membrane separator and the heavy hydrocarbon membrane separator are used to achieve dehydration and heavy hydrocarbon removal respectively.
  • the entire purification equipment has a simple structure, easy assembly, small footprint, no additional materials and Reagent consumption and low operating costs provide a guarantee for reducing the footprint of the entire wellsite layout system and reducing operating costs.
  • the electric drive fracturing equipment adopts the form of single motor and single plunger pump, which is more flexible to use; the plunger pump adopts a 7000hp five-cylinder plunger pump, which makes the output power of a single electric drive fracturing equipment higher, which can meet the requirements of the well site.
  • the electric drive fracturing equipment has a smaller actual demand, which greatly reduces the footprint of the electric drive fracturing equipment.
  • Figure 1 is a schematic structural diagram of a well site layout system for fracturing.
  • Figure 2 is a schematic diagram of the structure of the purification equipment.
  • Figure 3 is a schematic diagram of the structure of the electric drive fracturing equipment.
  • a fracturing wellsite layout system includes gas source 1, processing equipment 2, power supply system 3, power distribution system 4, electric drive fracturing equipment 5, electric drive sand mixing equipment 6, Sand supply equipment 7, liquid supply equipment 8, instrument equipment 9, high and low pressure manifold 10, the gas source 1 is processed by the processing equipment 2 to provide the power supply system 3 with the fuel required for power generation, and the power supply system 3 uses power distribution
  • the system 4 drives the electric drive fracturing equipment 5 and the electric drive sand mixing equipment 6 respectively
  • the sand supply equipment 7 provides the electric drive sand mixing equipment 6 to provide the fracturing sand required for mixing
  • the liquid supply equipment 8 is the electric drive sand mixing equipment 6
  • the output end of the electric drive sand mixing equipment 6 is connected to the electric drive fracturing equipment 5 through the high and low pressure manifold 10
  • the electric drive fracturing equipment 5 is connected to the wellhead through the high and low pressure manifold 10
  • the instrumentation equipment 9 is used to remotely control the electric drive
  • the gas source 1 is CNG and/or LNG and/or wellhead gas and/or pipeline gas.
  • the flexible selection of gas source 1 provides a guarantee for the well site layout system to adapt to a wider range of conditions, and replaces the traditional diesel engine, reducing exhaust emissions and reducing fuel costs.
  • the processing equipment 2 of the CNG is a pressure regulating equipment, the CNG provides the fuel required for power generation to the power supply system 3 after the pressure regulating treatment, the processing equipment 2 of the LNG is a gasification equipment, and the LNG is a power supply system after being gasified. 3 Provide the fuel required for power generation.
  • the wellhead gas processing equipment 2 is a purification equipment, which includes a filter 11, a compressor 12, an air cooler 13, a gas-liquid separator 14, a dehydration membrane separator 15 and a dewatering device.
  • one end of the filter 11 is connected to the wellhead gas pipeline, the gas outlet of the filter 11 is connected to the inlet end of the compressor 12, and the outlet end of the compressor 12 is connected to One end of the air cooler 13 is connected, the other end of the air cooler 13 is connected to the inlet of the gas-liquid separator 14, and the gas outlet of the gas-liquid separator 14 is connected to the inlet of the dehydration membrane separator 15 Connected, the gas outlet of the dehydration membrane separator 15 is connected to the heavy hydrocarbon membrane separator 16.
  • the wellhead gas treatment adopts a series-connected membrane separation device.
  • the dehydration membrane separator 15 and the heavy hydrocarbon removal membrane separator 16 realize dehydration and heavy hydrocarbon removal respectively.
  • the entire purification equipment has a simple structure, easy assembly, small footprint, and no extras.
  • the consumption of materials and reagents and low operating costs provide a guarantee for reducing the footprint of the entire wellsite layout system and reducing operating costs.
  • the power distribution system 4 includes a high-voltage switch, a low-voltage switch, an auxiliary transformer, a rectifier unit, the high-voltage switch, a low-voltage switch, an auxiliary transformer and a rectifier unit are integrated on a semi-trailer, and the gas turbine engine and a high-voltage generator of the power supply system 3 Directly send high voltage, through the high voltage switch of the power distribution system 4, multiplexed to the electric drive fracturing equipment 5, through the low voltage switch of the power distribution system 4, auxiliary transformer, rectifier unit to the electric drive sand mixing equipment 6 and instrument equipment 9 powered by.
  • the wellsite layout system also includes mixing equipment 22, chemical adding equipment 23, etc.
  • the power supply system 2 supplies power to the mixing equipment 22, chemical adding equipment 23, etc. through the low-voltage switch of the power distribution system 4, auxiliary transformers, and rectifier units.
  • the low-voltage switch, auxiliary transformer and rectifier unit constitute the low-voltage power distribution system of the power distribution system 4.
  • the electric drive fracturing equipment 5 includes a plunger pump 17, a radiator 18, and a motor 19, one motor 19, one radiator 18, one plunger pump 17, and the motor 19 is connected to the plunger pump 17.
  • the radiator 18 provides cooling for the lubricating oil of the plunger pump 17.
  • the electric drive fracturing device 5 adopts the form of a single motor 19 and a single plunger pump 17, which makes the electric drive fracturing device 5 more flexible to use.
  • the plunger pump 17 is a five-cylinder plunger pump of 7000 hp.
  • the output power of a single electric drive fracturing device 5 is higher. Under the condition that it also meets the fracturing power requirements of the wellsite, the actual number of electric drive fracturing devices 5 compared to other low-power electric drive fracturing devices 5 Less, greatly reducing the footprint of the electric drive fracturing equipment 5.
  • the electric drive fracturing equipment 5 is a semi-trailer vehicle with more than 4 axles. The load capacity of the electric drive fracturing equipment 5 is guaranteed.
  • the power distribution system 4 includes a transformer 20 and a frequency converter.
  • the transformer 20 and the frequency converter are integrated on the electric drive fracturing equipment 5.
  • the power supply system 3 supplies power to the electric drive fracturing equipment 5 through the frequency converter and the transformer 20.
  • a frequency conversion cabin 21 is provided on the gooseneck of the semi-trailer of the electric drive fracturing equipment 5, and the frequency converter is arranged in the frequency conversion cabin 21.
  • the frequency converter and transformer 20 are arranged on the electric drive fracturing equipment 5, which simplifies the circuit wiring and saves installation time.
  • Each of the electric drive fracturing equipment 5 is provided with two sets of wiring terminals, one of which is used for the adjacent electric drive fracturing equipment 5 to supply power.
  • the electric drive fracturing equipment 5 and the power supply system 3 are connected by a high-voltage cable, which can realize a set of high-voltage cable input and directly supply two electric drive fracturing equipment 5, which simplifies the circuit wiring and makes installation fast.
  • the liquid supply equipment 8 provides water for the mixing equipment 22, and the mixing equipment 22 mixes water and various additives to form a fracturing base fluid, and provides the fracturing base fluid to the electric drive sand mixing equipment 6.
  • the sand device 7 delivers the fracturing proppant to the electric drive sand mixing device 6.
  • the fracturing base fluid and the fracturing proppant are mixed in the electric drive sand mixing equipment 6 and then transported to the high and low pressure manifold 10, and then diverted to each electric drive fracturing equipment through the high and low pressure manifold 10.
  • the fracturing equipment injects the mixed fracturing fluid high-pressure pump into the wellhead, (injection route: electric drive fracturing equipment 5--connecting pipeline-high and low pressure manifold 10-wellhead), and then conduct the formation of the oil well or gas well fracture.
  • the chemical addition equipment 23 is used to provide various chemical additives to the mixing equipment 22 or the electric drive sand mixing equipment 6.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Un système d'agencement de site de puits de fracturation, comprenant une source de gaz (1), un appareil de traitement (2), un système d'alimentation électrique (3), un système de distribution électrique (4), des appareils de fracturation à commande électrique (5), des appareils de mélange de sable à commande électrique (6), des appareils d'alimentation en sable (7), des appareils d'alimentation en liquide (8), un appareil d'instrument (9) et des collecteurs haute-basse pression (10), la source de gaz fournissant, après avoir été traitée par l'appareil de traitement, le combustible nécessaire pour la génération d'électricité pour le système d'alimentation électrique ; le système d'alimentation électrique entraîne respectivement les appareils de fracturation à commande électrique et les appareils de mélange de sable à commande électrique au moyen du système de distribution d'énergie ; les appareils d'alimentation en sable fournissent le sable de fracturation requis pour le mélange pour les appareils de mélange de sable à commande électrique ; et les appareils d'alimentation en liquide fournissent le liquide requis pour les appareils de mélange de sable à commande électrique. Le système est petit en termes de surface occupée, l'appareil de fracturation à commande électrique unique présente une grande puissance de sortie, et l'ensemble du site de puits est simple en termes de disposition et de câblage et la quantité de temps consommée est courte.
PCT/CN2019/122709 2019-12-03 2019-12-03 Système d'agencement de site de puits de fracturation WO2021108985A1 (fr)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102094611A (zh) * 2011-03-07 2011-06-15 杜劼 煤矿井下压裂成套装置
CN103912259A (zh) * 2014-04-04 2014-07-09 四机赛瓦石油钻采设备有限公司 一种电驱动混砂车
CN104685152A (zh) * 2012-08-23 2015-06-03 米伦纽姆促进服务有限公司 根据液力压裂操作回收产品的减排方法
US20160326854A1 (en) * 2012-11-16 2016-11-10 Us Well Services Llc System for pumping hydraulic fracturing fluid using electric pumps
US9970278B2 (en) * 2012-11-16 2018-05-15 U.S. Well Services, LLC System for centralized monitoring and control of electric powered hydraulic fracturing fleet
WO2019006106A1 (fr) * 2017-06-29 2019-01-03 Evolution Well Services, Llc Élément de transport à hydratation-mélangeur pour opération de fracturation
CN109906305A (zh) * 2016-10-14 2019-06-18 迪傲公司 电动水力压裂系统
CN110469314A (zh) * 2019-09-20 2019-11-19 烟台杰瑞石油装备技术有限公司 一种利用涡轮发动机驱动柱塞泵的水力压裂系统
CN110513097A (zh) * 2019-09-24 2019-11-29 烟台杰瑞石油装备技术有限公司 一种电驱压裂的井场系统

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102094611A (zh) * 2011-03-07 2011-06-15 杜劼 煤矿井下压裂成套装置
CN104685152A (zh) * 2012-08-23 2015-06-03 米伦纽姆促进服务有限公司 根据液力压裂操作回收产品的减排方法
US20160326854A1 (en) * 2012-11-16 2016-11-10 Us Well Services Llc System for pumping hydraulic fracturing fluid using electric pumps
US9970278B2 (en) * 2012-11-16 2018-05-15 U.S. Well Services, LLC System for centralized monitoring and control of electric powered hydraulic fracturing fleet
CN103912259A (zh) * 2014-04-04 2014-07-09 四机赛瓦石油钻采设备有限公司 一种电驱动混砂车
CN109906305A (zh) * 2016-10-14 2019-06-18 迪傲公司 电动水力压裂系统
WO2019006106A1 (fr) * 2017-06-29 2019-01-03 Evolution Well Services, Llc Élément de transport à hydratation-mélangeur pour opération de fracturation
CN110469314A (zh) * 2019-09-20 2019-11-19 烟台杰瑞石油装备技术有限公司 一种利用涡轮发动机驱动柱塞泵的水力压裂系统
CN110513097A (zh) * 2019-09-24 2019-11-29 烟台杰瑞石油装备技术有限公司 一种电驱压裂的井场系统

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