[go: up one dir, main page]

WO2018182453A1 - Procédé et dispositif de restauration de la productivité d'un puits horizontal et d'action sur les couches - Google Patents

Procédé et dispositif de restauration de la productivité d'un puits horizontal et d'action sur les couches Download PDF

Info

Publication number
WO2018182453A1
WO2018182453A1 PCT/RU2017/050118 RU2017050118W WO2018182453A1 WO 2018182453 A1 WO2018182453 A1 WO 2018182453A1 RU 2017050118 W RU2017050118 W RU 2017050118W WO 2018182453 A1 WO2018182453 A1 WO 2018182453A1
Authority
WO
WIPO (PCT)
Prior art keywords
emitter
unit
plasma
formation
horizontal
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/RU2017/050118
Other languages
English (en)
Russian (ru)
Inventor
Александр Алексеевич САЛТЫКОВ
Юрий Алексеевич САЛТЫКОВ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ilmasonic Science LLC
Original Assignee
Ilmasonic Science LLC
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.)
Filing date
Publication date
Application filed by Ilmasonic Science LLC filed Critical Ilmasonic Science LLC
Priority to US16/463,896 priority Critical patent/US20190383124A1/en
Publication of WO2018182453A1 publication Critical patent/WO2018182453A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
    • 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
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2401—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • 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
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • 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
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • 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
    • E21B43/003—Vibrating earth formations
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • E21B47/07—Temperature
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements

Definitions

  • the group of inventions relates to the oil and gas industry for cleaning the bottom-hole zone of a horizontal well and mounted filters, as well as for intensifying oil production.
  • the method includes the delivery and placement in the horizontal wellbore of an ultrasonic emitter, the operation of which in various modes and at different frequencies allows to optimize its operation.
  • thermo-chemical action on horizontal wells are also known from the prior art (Patents RU 2527434 from 08.27.2014, RU 2004124482 from 01.27.2006, RU 2287680 from 08.10.2004). These methods have the same drawbacks as the previous ones.
  • the closest in technical essence and the achieved result is the method and device (Patent RU 2600249 from 01.24.2014).
  • the method involves the impact on oil reservoirs and the bottomhole zone of a horizontal well by lowering into the well a device for generating pulses with the possibility of explosive plasma formation.
  • a two-module electro-hydraulic device is used.
  • the first module contains a capacitor charge block
  • the second block contains a capacitor block, an emitter and an active substance supply unit connected to the control module and equipment at the wellhead with the possibility of transmitting charge and discharge data of storage capacitors in order to initiate successive elastic vibrations at given horizontal end points .
  • the device generates periodic directed short pulses due to the explosion of a calibrated wire, leading to the formation of a plasma and directed radially shock wave of high pressure.
  • the device is launched on a coiled tubing type flexible pipe.
  • the main one is the inability to distribute the shock wave uniformly in the radial direction.
  • the wave is on the path of least resistance, i.e. the main energy will go through the most permeable pore channels. If there is a filter in a horizontal well, an uneven distribution of energy will also occur along the radius of the well. Involvement of previously missed weakly drained stagnant zones into development is also random.
  • the objective of the proposed technical solution is to clean the bottom-hole zone of the formation from the listed types of contamination, create cracks and microcracks in the radial direction, tens of meters long, and involve oil in the development of stagnant zones. This will not only restore the flow rate of the well, but also significantly increase it compared to the original.
  • the technical result of the claimed group of the invention is to improve the cleaning of the bottomhole formation zone, as well as to restore the flow rate of the well.
  • the technical result of the claimed group of inventions is achieved due to the fact that the method of restoring the productivity of a horizontal well and stimulating the formation, in which a complex device consisting of an electro-hydraulic emitter with a plasma spark gap, a geophysics unit and an acoustic emitter, is lowered to a horizontal well bore, the end of the horizontal section, through the block of geophysics, the instruments are attached, and the parameters of the well are taken before treatment, the pores are acoustically cleaned reservoir and filters of the horizontal well section, carry out plasma treatment of the cleaned area to engage the stagnant zones of the reservoir with the source, remove the current parameters by the geophysics unit, repeat the processes until the horizontal section of the well passes completely.
  • acoustic cleaning of the pores of the formation and filters of a horizontal well is carried out by periodic exposure to a field of elastic vibrations of the ultrasonic range in a constant mode and pulsed acoustic low-frequency exposure, and in a constant mode, the effect is carried out by high-frequency oscillation of the ultrasonic range of 2000 Hz, and in a pulsed mode, the action carried out with a frequency of 100 Hz.
  • plasma processing is performed by a high-pressure shock wave with an energy of up to 3 kJ.
  • an integrated device for restoring the productivity of a horizontal well and stimulating a formation comprising a ground-based multifunctional control and control panel and downhole acoustic radiator connected by a hose cable, a block of geophysical instruments and an electro-hydraulic emitter with a plasma spark gap, interconnected by geophysical adapters.
  • the ground-based multifunctional control and control panel consists of the following units: a power unit and control an acoustic emitter, a log recorder, a power unit and control an electro-hydraulic emitter
  • the acoustic emitter contains an electronics unit, an upper head that provides a connection with a contact device for a cable lug, a lower head, a channel for electrical wires and metal tight enclosures connected to each other in which piezotransmitters are placed, with
  • the external and internal surfaces of each casing have recesses of a gutter-like shape, and in this case, bushings with a nut attached to them are installed ka made with the possibility of attaching and fixing to each other two adjacent housings with metal cables attached simultaneously to two nuts of adjacent housings, in addition, the housings are also connected to each other by means of parts formed by filling the rubber-plastic composition at the joints with a gap of two neighboring buildings.
  • the implementation of the claimed technical solution contains an electro-hydraulic plasma emitter of modular design, which allows you to adjust the energy release from 0.5 to 3 kJ, using capacitors to reduce the size of the emitter, and a mechanical wire feed unit that assumes easy replacement in the field.
  • the block of geophysical instruments includes gamma-ray logging and magnetic locator of couplings, temperature and pressure sensors, a moisture meter and a flow meter.
  • the downhole electro-hydraulic emitter is made of a modular design and consists of a stabilization unit, a block of capacitors and a plasma spark gap, while stabilization contains boost-decoupling transformer, which also powers the plasma ignition unit in the discharge gap,
  • the capacitors are connected in parallel in the block of capacitors.
  • the power of the borehole electro-hydraulic emitter, through the use of additional blocks of capacitors is regulated in the range of 0.5 to 3 kJ.
  • the plasma arrester consists of a housing with an internal cavity, the upper part connected to the connecting sleeve, and the lower part connected to the supporting sleeve, in the cavity of the housing there is a cylinder mounted on the middle part of the supporting sleeve, and the cylinder contains a piston with a rod and a spring, on the top of the piston, a wire feed mechanism is fixed, made in the form of a lever with a support platform and a link with a spring, while on the support platform and the link from the side,
  • Directional notches are made to the wire
  • four rods are attached to the cylinder, which are the basis for the coil mounting unit
  • holes for locating and fixing the negative and positive electrodes are made in the support sleeve, while the electrodes are insulated with open areas providing plasma discharge in the negative electrode an axial hole is made for the passage of the wire
  • a guide cone is fixed from below on the support sleeve by means of racks.
  • FIG. 1 horizontal well with an integrated device
  • Figure 2 is a longitudinal section of a borehole acoustic emitter
  • a method of stimulating a formation which includes delivering a complex stimulation device to the horizontal end of a well.
  • the complex device includes a radial acoustic emitter, a block of geophysical instruments and an electro-hydraulic emitter with a plasma spark gap, which are interconnected by typical geophysical adapters.
  • a radial borehole acoustic emitter is structurally designed so that it can be made up to 50 meters long.
  • the design of the downhole acoustic device is illustrated by the illustration ( Figure 2), which shows a longitudinal section of the device.
  • the downhole acoustic emitter includes an upper head providing connection with a contact device for a cable lug, a lower head connected to each other in a single structure, metal sealed cases (30), in which piezoelectric transducers (31) are placed in pairs with an offset of 90 ° from each other.
  • Piezoelectric transducers (31) consist of longitudinally polarized, electrically connected piezoceramic washers (5 pcs. In each piezoelectric transducer). Piezoelectric transducers (31) are fastened together by tightening screws (32) (4 pcs.). Between piezoelectric transducers rubber-metal gaskets are installed (33). For reliable fixation of the piezoelectric transducers (31), sleeves (35) are installed in the housing (30), to which the coupling screws (32) are attached.
  • This device provides independent operation of each piezoelectric transducer (31) located in the housing (30). This is due to the mutual arrangement of the piezoelectric transducers (31), as well as the presence of rubber-metal gaskets (33). Such a constructive implementation allows to increase the selectivity of acoustic impact on the well, bottomhole zone, formation.
  • the upper and lower cases (30) are interconnected by metal cables (37) (4 pcs.) And the part (36) formed by rubber-plastic filling of the junction of the two cases (30) with a small gap.
  • This design provides flexibility that allows you to freely pass the curved sections of the well.
  • the connection of the housings (30) using metal cables and the part (36) provides an increase in the lateral compliance of the housings (30), which increases the radiation efficiency in the radial direction.
  • Such a device also has a longer service life, since the flexible connection of the housings (30) eliminates its destruction under the action of high pressure in the well and makes the device less fragile.
  • the casing (30) is secured and sealed by compressing and radially expanding the rubber gasket (34) with compression nuts (38), which are attached to the bushings (35) (screwed or welded).
  • the nuts (38) have protruding parts, which ensure the attachment of metal cables to them (37). Of these, a loop (closed connection) is performed, which simultaneously slips on the protruding parts of the nuts (38) located in two adjacent housings 30.
  • Piezoceramic washers are fastened together with metal washers, a screw (41) and a nut (42). Piezoceramic washers are prestressed using a screw (41) and a nut (42). Using a given voltage, it is possible to adjust the resonance frequency and the impedance value of each piezoelectric transducer (31) to the required values at the time of assembly. Additional sealing and fastening of the housings (30) is provided by rubber-plastic pouring (36) at the junction of two adjacent buildings (30). Power is supplied to the piezoelectric transducers via wires (39), which pass through the channel for electric wires. Piezoelectric transducers (31) are connected to wires (39) in a parallel circuit.
  • Wires (39) between two adjacent housings (30) are connected using standard geophysical connecting nodes ("five-copecks") (40) and filled with rubber-plastic.
  • rubber plugs (43) are installed.
  • the external and internal surface of the housing (30) may have grooves in the form of a groove that are milled along the length of the housing (30) (not shown in the figure). The presence of such recesses provides a certain directivity of acoustic radiation, and also leads to lateral compliance of the body (30). Such a structural embodiment allows to obtain radiation in the radial direction.
  • the electronics unit is hermetically connected to the housing (30) (not shown in the figure), designed to generate a signal with the working frequency of the piezoelectric transducers (31) and to automatically adjust the parameters of the piezoelectric transducers (31) (frequency, voltage, phase shift) directly during operation depending on the processing results in the electronics block of signals taken from the built-in sensors for monitoring the operation of piezoelectric transducers (31).
  • the emitter operates in two modes: continuous and pulsed. In constant mode, the emitter operates at frequencies close to 20,000 Hz. At these frequencies, the effects of ultrasound act: - breaking of intermolecular bonds (the destruction of stable bonds at the interface between pores and fluid);
  • the pores of the bottom-hole formation zone are cleaned within a radius of about 3 meters and perforations.
  • the emitter In pulsed mode, the emitter operates at frequencies of about 100 Hz. In this mode, the wavelength is several tens of meters, depending on the propagation medium (for example, in water is 15 meters). Its feature is a slight attenuation at large distances (more than 1000 meters). At an impulse, high inrush currents (up to 10 A) work and powerful energy emissions occur (about 20 kJ per hour), which allows the sound wave to propagate to a distance of up to 1000 meters with little loss of efficiency. This allows you to affect the entire supply area of the well and to attract stagnant zones.
  • the design of the ultrasonic emitter is made in such a way that allows additional electrical conductors to pass through it. That allows you to connect to it a block of geophysical instruments (also made through passage).
  • the block of geophysical instruments includes MLM Group (gamma-ray logging and magnetic locator of couplings), temperature and pressure sensors, a moisture meter and a flow meter.
  • GK MLM allows you to bind the device to the depth of the well and the position of the device in the horizontal well, for accurate processing.
  • Other instruments allow real-time monitoring of well operation and emitter operation. This allows you to perform three tasks:
  • an electro-hydraulic radiator with a plasma spark gap is connected (Fig. 3).
  • the emitter has design features that distinguish it from the analogues used. Structurally, an electro-hydraulic complex with a plasma spark gap
  • ELKPR consists of two main parts: a ground-based power and control unit and a borehole electro-hydraulic emitter.
  • MFPKU multifunctional control and control panel
  • a complex device through a hose cable, is connected to a multifunctional control and control panel (MFPKU).
  • MFPKU consists of blocks: a power supply and control unit for an acoustic emitter, a log recorder, a power supply and control unit for an electro-hydraulic emitter.
  • the borehole electro-hydraulic emitter has a modular design
  • Fig. 4 consisting of a stabilization unit, a block of capacitors and a plasma spark gap. It has a length of not more than 3 meters and a diameter of not more than 44 mm, which ensures free passage of the device through all existing tubing.
  • the stabilization unit includes a step-up decoupling transformer, which also powers the plasma ignition unit in the discharge gap.
  • Capacitors are used in the capacitor block: one pin is a coaxial pin, the second is a cylindrical body - you get a parallel connection to the battery by simply attaching the pins.
  • This design takes up a minimum of space and allows the use of small components.
  • the modularity of the design allows you to increase the power of the downhole electro-hydraulic emitter, due to the use of additional blocks of capacitors, in the required range, for example, from 0.5 to 3 kJ. Modularity is ensured through the use of a special rubber-plastic connection reinforced with cables. A special role in the invention is played by the design of the plasma arrester.
  • the arrester housing (2) is screwed onto the connection sleeve (1) and secured with a screw.
  • a support sleeve made of fiberglass (9) is screwed to the arrester housing, to which all other elements are attached.
  • a cylinder (7) is screwed in, in which a piston (8) with a rod and a spring is installed.
  • a wire feed mechanism (6) is attached to the upper part of the piston, which is also a limiter that holds the piston in a predetermined position.
  • the feed mechanism is a lever with a support platform (14) and a link with a spring (13).
  • rods (5) are attached to the cylinder (7), which are the basis for the attachment unit (4) of the coil (3).
  • the rods also ensure that the cylinder is kept from knocking out of the sleeve (9) when exposed to the piston (8), due to the support on the connecting sleeve (1).
  • a guide cone (11) is fastened to the support sleeve using racks (10). It provides free movement of the SEGP along the tubing and at the same time, together with the racks, protects the electrodes from mechanical stress.
  • the operation of the electro-hydraulic complex is as follows.
  • the ground power supply unit is connected to an alternating current network with a voltage of 220 V, converts it to direct current and transfers it via a geophysical cable to the stabilization unit and the capacitor unit. Electrical energy is accumulated in the capacitors and when they are filled, a plasma discharge occurs through the electrodes (17, 18) connected by a wire (12), which is previously set to the desired position. As a result of a plasma discharge, an electrohydraulic shock occurs, affecting the oil reservoir and its bottomhole zone, which helps to stimulate enhanced oil recovery and intensify oil production.
  • the shock wave also acts on the piston (8), which rises, compresses the spring and moves the wire feed mechanism (6).
  • the surfaces of the support platform (14) and the wings (13) easily slide up the wire (12).
  • the feed mechanism goes down and due to special notches on the support platform and the link and the link spring, which provides its pressing, pull the wire down through the negative electrode until it contacts the positive electrode. Then the whole cycle is repeated.
  • the emitter has a modular design, which allows, due to the different number of modules, to vary the emitted energy in the range from 0.5 to 3 kJ (depending on the geological characteristics of the well and its design).
  • capacitors are used in the emitter to minimize the occupied volume.
  • the length of the emitter is 2 times less than analogues, and the diameter is reduced to 52 millimeters.
  • a mechanical wire-drawing device is used, made in the form of a quick-detachable unit, which allows changing the wire in the field and avoiding complex electrical and electronic circuits.
  • the complex device is delivered to the horizontal section of the well with the help of a hose-cable, which is wound on a special drum and driven by a special installation for winding-unwinding and a special conveyor for its delivery to the well.
  • This hose cable hoist is commercially available from many factories.
  • MFPKU multifunctional control and control panel
  • a complex device through a hose cable, is connected to a multifunctional control and control panel (MFPKU).
  • MFPKU consists of blocks: a power supply and control unit for an acoustic emitter, a log recorder, a power supply and control unit for an electro-hydraulic emitter. All of them are connected through a hose-cable (inside of which electric conductors pass) with devices delivered to a horizontal well and perform power and control functions.
  • the implementation of the method is as follows: On a umbilical, using a special lift, a complex device consisting of an electro-hydraulic radiator with plasma discharger, geophysics unit and acoustic emitter. Pushing the complex device to the end of the horizontal section, through the block of geophysics, the instruments are attached and the parameters of the well are taken before treatment. Within two hours (the time depends on the parameters of the well and calculated in laboratory conditions), the near and far zones are processed in constant (work for an hour at a constant frequency of 20 kHz) and pulse (work of 10 pulses per second at a frequency of 100 Hz for an hour) modes, which leads to the restoration of the permeability of the near zone and to the movement of the reservoir fluid in the far and stagnant zones.
  • the electro-hydraulic radiator is turned on and the plasma is processed by the plasma of the cleaned area (up to 50 meters).
  • a shock wave of high pressure with an energy of up to 3 kJ (the energy value depends on the number of capacitors in the modules and is calculated mathematically) is evenly distributed in the radial direction, creating cracks in the near zone and pushing oil out of stagnant zones.
  • the block of geophysics is connected and the current parameters are removed, allowing, if necessary, to adjust the operation of the equipment. Then, the processes are repeated until the horizontal section of the well passes completely.
  • the device complex For efficient and safe movement of the device complex along the horizontal section, it is equipped with centralizers and a pressure sensor.
  • Patent N ° RU2385472 Downhole seismic energy source, high-voltage electrode assembly and low-voltage electrode assembly, 2007 7.
  • Patent N ° RU2373386 Method for influencing the bottom hole of a well and oil-saturated formations (options) and device for its implementation, 2008
  • Patent N ° US 2012/0043075 Method and assembly for recovering oil using elastic vibration energy, 2012.

Landscapes

  • 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)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

Ce groupe d'inventions se rapporte au domaine de l'industrie d'extraction de gaz et de pétrole lors du nettoyage de la zone adjacente au fond d'un puits horizontal et des filtres montés, et pour l'intensification d'extraction du pétrole. Ce procédé consiste à envoyer dans le forage horizontal d'un puits un dispositif complexe comprenant un émetteur électro-hydraulique avec un dispositif de décharge plasma, une unité géophysique et un émetteur acoustique jusqu'à la fin de la section horizontale par le biais de l'unité géophysique, à effectuer une association des instruments et à collecter des paramètres du puits jusqu'au début du traitement, à effectuer un nettoyage acoustique des pores de la couche et des filtres de la couche du puits horizontal, à effectuer un traitement plasma de la section nettoyée afin de remettre en service les zones stagnantes de la couche en une source, à collecter les paramètres courants de l'unité géophysique, et à répéter les processus jusqu'à la traversée complète de la section horizontale du puits. Le dispositif comprend une commande multifonctionnelle au sol de contrôle et de commande, et un émetteur acoustique de type radial, une unité d'instruments géophysiques et un émetteur électro-hydraulique avec un dispositif de décharge plasma de fond de puits qui sont connectés par des tiges-câbles et qui sont connectés entre eux par des adaptateurs géophysiques. Cette invention permet d'améliorer le nettoyage de la zone adjacente au fond de puits de la couche, et de rétablir le débit du puits.
PCT/RU2017/050118 2017-03-31 2017-11-15 Procédé et dispositif de restauration de la productivité d'un puits horizontal et d'action sur les couches Ceased WO2018182453A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/463,896 US20190383124A1 (en) 2017-03-31 2017-11-15 Method and device for restoring horizontal well productivity and stimulating a formation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2017110907A RU2640846C1 (ru) 2017-03-31 2017-03-31 Способ и устройство восстановления продуктивности горизонтальной скважины и воздействия на пласт
RU2017110907 2017-03-31

Publications (1)

Publication Number Publication Date
WO2018182453A1 true WO2018182453A1 (fr) 2018-10-04

Family

ID=63676472

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2017/050118 Ceased WO2018182453A1 (fr) 2017-03-31 2017-11-15 Procédé et dispositif de restauration de la productivité d'un puits horizontal et d'action sur les couches

Country Status (3)

Country Link
US (1) US20190383124A1 (fr)
RU (1) RU2640846C1 (fr)
WO (1) WO2018182453A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10865622B2 (en) * 2017-10-02 2020-12-15 Blue Spark Energy Inc. Device and method for cleaning a wellbore equipment
RU2696740C1 (ru) * 2018-09-21 2019-08-05 Общество С Ограниченной Ответственностью "Илмасоник-Наука" Способ и устройство комплексного воздействия для добычи тяжелой нефти и битумов с помощью волновой технологии
CN113914822B (zh) * 2021-09-23 2024-05-28 武汉华工融军科技有限公司 一种适用于解堵的激波放电电极、激波发射器和解堵系统
CN115199266B (zh) * 2022-08-18 2025-07-11 西安枭科威尔科技有限公司 一种自驱动可控冲击波破岩装置及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU68579U1 (ru) * 2007-07-24 2007-11-27 Общество с ограниченной ответственностью "Волго-Уральский научно-исследовательский и проектный институт нефти и газа" (ООО "ВолгоУралНИПИгаз) Устройство для акустического воздействия на нефтегазоносный пласт
WO2011145979A1 (fr) * 2010-05-19 2011-11-24 Dyblenko Valeriy Petrovich Procédé d'exploitation d'une formaton de production et équipement pour trou de forage pour la mise en oeuvre de ce procédé
RU2478780C1 (ru) * 2011-11-21 2013-04-10 Общество с ограниченной ответственностью научно-производственный центр "ГеоМИР" (ООО НПЦ "ГеоМИР") Способ добычи редких металлов по технологии подземного скважинного выщелачивания и устройство для его реализации
RU131062U1 (ru) * 2013-04-10 2013-08-10 Общество с ограниченной ответственностью "ИЛМАСОНИК" Скважинный акустический прибор
RU2600249C1 (ru) * 2014-01-24 2016-10-20 Общество С Ограниченной Ответственностью "Новас Ск" Способ и устройство воздействия на нефтенасыщенные пласты и призабойную зону горизонтальной скважины

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2373386C1 (ru) * 2008-07-01 2009-11-20 Общество с ограниченной ответственностью "НОВАС" Способ воздействия на призабойную зону скважины и нефтенасыщенные пласты (варианты) и устройство для его осуществления

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU68579U1 (ru) * 2007-07-24 2007-11-27 Общество с ограниченной ответственностью "Волго-Уральский научно-исследовательский и проектный институт нефти и газа" (ООО "ВолгоУралНИПИгаз) Устройство для акустического воздействия на нефтегазоносный пласт
WO2011145979A1 (fr) * 2010-05-19 2011-11-24 Dyblenko Valeriy Petrovich Procédé d'exploitation d'une formaton de production et équipement pour trou de forage pour la mise en oeuvre de ce procédé
RU2478780C1 (ru) * 2011-11-21 2013-04-10 Общество с ограниченной ответственностью научно-производственный центр "ГеоМИР" (ООО НПЦ "ГеоМИР") Способ добычи редких металлов по технологии подземного скважинного выщелачивания и устройство для его реализации
RU131062U1 (ru) * 2013-04-10 2013-08-10 Общество с ограниченной ответственностью "ИЛМАСОНИК" Скважинный акустический прибор
RU2600249C1 (ru) * 2014-01-24 2016-10-20 Общество С Ограниченной Ответственностью "Новас Ск" Способ и устройство воздействия на нефтенасыщенные пласты и призабойную зону горизонтальной скважины

Also Published As

Publication number Publication date
RU2640846C1 (ru) 2018-01-12
US20190383124A1 (en) 2019-12-19

Similar Documents

Publication Publication Date Title
US10746006B2 (en) Plasma sources, systems, and methods for stimulating wells, deposits and boreholes
US5184678A (en) Acoustic flow stimulation method and apparatus
RU2640846C1 (ru) Способ и устройство восстановления продуктивности горизонтальной скважины и воздействия на пласт
US20110139441A1 (en) System, apparatus and method for stimulating wells and managing a natural resource reservoir
US20070256828A1 (en) Method and apparatus for reducing a skin effect in a downhole environment
RU2630012C1 (ru) Способ ультразвуковой интенсификации добычи нефти и устройство для его осуществления
AU2001232892A1 (en) Coupled electromagnetic and acoustic stimulation of crude oil reservoirs
EP1257725A1 (fr) Stimulations electromagnetique et acoustique combinees dans des gisements de petrole brut
CA2910902C (fr) Dispositif de nettoyage de puits d'eau
RU2478780C1 (ru) Способ добычи редких металлов по технологии подземного скважинного выщелачивания и устройство для его реализации
US20140060804A1 (en) Well Cleaning Device
US20090173492A1 (en) Surface activated downhole spark-gap tool
RU2696740C1 (ru) Способ и устройство комплексного воздействия для добычи тяжелой нефти и битумов с помощью волновой технологии
RU144631U1 (ru) Электрогидроударное устройство для бурения скважин
RU2717845C1 (ru) Излучатель для акустического воздействия на призабойную зону нефтяных скважин
US10655412B2 (en) Electro-hydraulic complex with a plasma discharger
RU2471965C1 (ru) Способ ликвидации и предотвращения образования асфальтено-смоло-парафиновых отложений и установка для его осуществления
WO2011006723A1 (fr) Systèmes d'électrode pour source acoustique à décharge électrique
US11325155B2 (en) Immersible ultrasonic transmitter
RU2663766C1 (ru) Устройство для ударного воздействия на призабойную зону
RU2008130459A (ru) Способ измерения внутрискважинных параметров
HK1210567B (en) A system and method for stimulating wells, deposits and boreholes using the plasma source
WO2013073997A2 (fr) Procédé pour éliminer et empêcher la formation de résidus goudronneux d'asphaltènes et de paraffine dans des puits de pétrole et des pipelines et installation pour sa mise en oeuvre
WO2015190944A1 (fr) Appareil acoustique e fond de puits pour le traitement des zones de forage de couches pétrolifères et de gaz

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17902643

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 27/02/2020)

122 Ep: pct application non-entry in european phase

Ref document number: 17902643

Country of ref document: EP

Kind code of ref document: A1