WO2018074944A1 - Foreuse à percussion à rotor externe - Google Patents

Foreuse à percussion à rotor externe Download PDF

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Publication number
WO2018074944A1
WO2018074944A1 PCT/RU2016/000846 RU2016000846W WO2018074944A1 WO 2018074944 A1 WO2018074944 A1 WO 2018074944A1 RU 2016000846 W RU2016000846 W RU 2016000846W WO 2018074944 A1 WO2018074944 A1 WO 2018074944A1
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WO
WIPO (PCT)
Prior art keywords
rotor
stator
working fluid
roller
channels
Prior art date
Application number
PCT/RU2016/000846
Other languages
English (en)
Russian (ru)
Inventor
Владимир Митрофанович ПАНЧЕНКО
Алексей Петрович СУЗДАЛЕВ
Original Assignee
Владимир Митрофанович ПАНЧЕНКО
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 Владимир Митрофанович ПАНЧЕНКО filed Critical Владимир Митрофанович ПАНЧЕНКО
Publication of WO2018074944A1 publication Critical patent/WO2018074944A1/fr

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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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/003—Drilling with mechanical conveying means
    • E21B7/005—Drilling with mechanical conveying means with helical conveying means

Definitions

  • the invention relates to mining and construction business with rotary bottomhole core drilling of vertical, deviated, horizontal wells of medium and large diameter, mining, laying of underground passages and tunnels with the possibility of changing the direction of penetration during the execution of work.
  • the main disadvantages of electric drilling are: high energy consumption with reference to its source :, additional electric motor and equipment for cleaning the bottom: limited borehole diameter and gear inserts, due to the moment of force: vibration, metal consumption, low overhaul period of the electric drill; frequent breakdowns of the conductive cable, the number of which increases with increasing depth of the well; additional and more complex and expensive equipment is required.
  • gerotor downhole motors hydraulic drives
  • hydraulic motors are smaller on average by 3 times in size and 15 times by weight than electric motors of corresponding power.
  • the range of regulation of the rotational speed of the hydraulic motor is much wider: for example, it can range from 2500 rpm to 30-40 rpm, and in some cases, with hydraulic motors of a special design, it reaches 1-4 rpm and less.
  • the start-up and acceleration time of the hydraulic motor is a fraction of a second, which is unattainable for high-power electric motors (several kilowatts). Frequent on-off, shutdown and reverse are not dangerous for the hydraulic motor.
  • the law of motion of the shaft of the hydraulic motor can be easily changed by using means of regulating the hydraulic drive.
  • a downhole hydraulic motor for use in drilling wells.
  • the engine contains turbine sections, a gerotor screw mechanism with a stator fixed in the housing and an eccentrically located rotor with a split torsion bar.
  • a stop element is placed in the upper part of the gerotor mechanism, which is made in the form of a disk-shaped plate with holes in the peripheral part and a glass in the center, in which a ball is placed for periodic interaction with the fifth.
  • the inner diameter of the cup, the outer diameter of the heel and the diameter of the ball are connected certain relations.
  • the gap between the ball and the bottom of the glass is equal to the maximum allowable play in the axial support assembly.
  • the hydraulic drive has inherent disadvantages that limit its use.
  • the main ones are as follows:
  • the working fluid is only a fluid with certain components, taking into account the specificity of the soil. In winter, the applicability of the method limits the freezing of the liquid.
  • Turbodrills of various designs (reactive-turbine drills and rotor-turbine drills), equipped with serial turbine or screw downhole motors.
  • a gear turbo drill for drilling wells and can be used for drilling inclined and horizontal deep wells with high bottomhole temperatures.
  • a turbine and a gearbox connected to the turbine with input and output shafts and gears, as well as a spindle with axial and radial bearings on the shaft are located in the turbodrill housing.
  • the output shaft of the gearbox is connected to the spindle shaft through a torsion shaft.
  • Gearbox and spindle housings are connected by a sub.
  • the torsion shaft is covered with a gap by a protective sleeve forming an annular gap with the inner surface of the sub.
  • the gearbox, torsion shaft and spindle bearings are housed in a common oil-filled chamber sealed with seals. Drilling fluid passes through the annular channel inside the turbine, gearbox, spindle and sub housings. Due to the elastic flexibility, the torsion bar protects shafts and transmission elements from overloads. When using a sub with skewed axes, the shaft-torsion is connected to adjacent shafts by articulated couplings, and the protective sleeve is equipped with sealing elements that allow angular movements cases without leakage. In this case, the torsion bar acts as a propeller shaft, and the gear turbodrill acts as a deflector.
  • the invention allows to reduce the dynamic loads on the shafts and elements of the turbodrill, to increase the ability to control the path of the well, to simplify the design.
  • the diameter of the turbodrill is limited by the size of the wellbore
  • the turbine shaft rotation frequency is set by the drilling mode as applied to the type of bits used and cannot be arbitrarily increased.
  • turbodrills-deflectors this is the impossibility of adjusting the skew angle under drilling conditions, a large distance from the bit to the curvature plane, insufficient rigidity of the spindle shaft. And for all types of turbodrills - the absence of centering elements on the body.
  • the circulation system of the drilling rig has a differential pressure limitation, therefore, the turbodrill must be operated at a reduced flow rate with low mechanical power on the output shaft, the value of which determines the efficiency of the drilling process.
  • the technical problem to which the claimed invention is directed is to increase the torque due to the rotation of the external rotor from the pressure of a liquid medium, gas (air) or steam with the possibility of rotation of the working fluid, taking into account increased reliability and increased resource due to the simplicity of design, reduction transmission nodes, as well as to increase the efficiency of the device by reducing the volume of rock destruction, when sinking with leaving a large core diameter for its subsequent removal by less expensive mechanized methods while reducing specific metal consumption and energy consumption with the possibility of the presence of people in the face.
  • Loose soil can be loaded directly into vehicles with a loader, and hard rocks are previously destroyed by milling cutters, jack hammers, explosions and other known methods.
  • the technical result of the claimed invention is to increase the torque by increasing the specific power while increasing the reliability and availability of the device, reducing energy consumption and, ultimately, reducing the unit cost of sinking.
  • the external rotary downhole drill containing at least two coaxial rotor sections, and interconnected by an intersection sleeve made with transition channels of the working fluid, and plugs located at the ends of the rotor sections, the plug located on the end part of the rotor section in the direction of the face contains rock cutting elements, and is made with an output channel for the working fluid,
  • each rotor section contains a stator with channels for the working fluid, which is the axis and the outer rotor, with the screws located on the outer surface of the outer rotor,
  • a hollow core receiver housing is installed in the inner part of the stator, while inclined clamps are installed on the inner surface of the outer rotor, in which the rotor roller is mounted, and a radial recess is made on the outer surface of the stator, in which a spring-loaded shutter with a stator roller is located,
  • stator roller and the rotor roller located between the inner surface of the rotor and the outer surface of the stator form a working chamber
  • channels for the working fluid made in the stator are connected to the working chamber of each rotor section by channels for moving the working fluid
  • intersectional sleeve and plugs of the rotor sections are made in the form of an annular part providing tightness, stator-rotor coupling.
  • a liquid medium or gas or steam is used, while the drill is made with the possibility of rotation of the working fluid.
  • the shutter is made in the form of a rectangular trapezoid in cross section.
  • the inclined clamps are made lattice in the form of parallel or zigzag stripes.
  • the inclined clamps are made in the form of a triangle with a roller in one corner and radial grooves on each side of the roller.
  • Figure 1 drill external rotary bottomhole.
  • Figure 2 is a view of BB.
  • the external rotary drill consisting of at least two coaxial rotor sections, each of which contains an internal stator that acts as an axis on which the rotor rotates when the pressure of a liquid, gas or steam with possible rotation of the working fluid according to the invention
  • the rock cutting tool (drill heads, crowns, chisels, cones, milling cutters) is attached directly to the end of the rotor in the direction of the face, and the screws located on the outer surface of the rotors push breed rock or soil towards the mouth, and the spent working fluid removes the pulp, leaving the core in the core receiving case for subsequent extraction of small diameter core using known core tapping machines, and large core and soil for removal by known mechanized methods with the possibility of the presence of people or robots in the tunnel for wall reinforcement with ring segments.
  • the direct autonomous motor in the face providing rotation of the rock cutting tool, displacement of the destroyed rock and core formation, is an external rotary downhole mover consisting of at least two coaxial rotor sections. Possible increase in the number of rotor sections as necessary.
  • Each rotor section contains an internal stator (21), made in the form of a hollow cylinder, and acting as an axis, and an external rotor (10), made in the form of a hollow cylinder of larger diameter.
  • a screw (9) is installed on the outer surface of each external rotor (10) to displace the destroyed rock from the face towards the mouth for removal by a spent working fluid
  • Rotor sections are interconnected by an intersectional sleeve (14).
  • the rotor section extreme to the mouth is connected to the plug (7) from the mouth side.
  • the mouth end cap is connected to an adapter (8).
  • the rotor section closest to the bottom is connected to the plug (16) from the bottom side, while the plug (16) from the bottom side contains fasteners (19) of the rock cutting element with rock cutting elements (20).
  • Intersectional sleeve (14) and plugs (7 and 16) are made in the form of an annular part - a washer, which ensures tightness, stator-rotor conjugation.
  • a core receiver housing (6) in the form of a hollow cylinder is inserted into the inner part of the stator (21).
  • stator roller (1 1) and the rotor roller (25) located between the inner surface of the rotor (10) and the outer surface of the stator (21) form a working chamber (23).
  • channels (4) are made in the walls of each stator (21) in the form of a bore of a cylindrical, oval or other known section for the working fluid.
  • the channels (4) are connected to the working chamber (23) of each rotor section by transition channels (27). At least two channels (input channel and output channel) can be made in one rotary section.
  • the roller (25) of the rotor, being in the inclined clamps (26) of the rotor (10), is driven by the pressure of the working fluid along the outside of the stator (21).
  • the stator roller (11), being in the movable spring-loaded shutter (12), located in the radial groove of the stator (21), is driven by the pressure of the working fluid on one side of the shutter (12) along the inner surface of the rotor (10) and fixed inclined clamps (26 ) a second roller (25) located on the inside of the rotor.
  • the inclined clamps (26) of the second roller (25) prevent dynamic impacts at the contacts of the rollers (1 1 and 26). From the pressure of the working fluid on the roller (25), the rotor (10), made in the form of a hollow cylinder of a larger diameter, begins to rotate.
  • the working fluid can be a liquid medium, gas (air), or steam, while the possibility of rotation of the working fluid during the execution of work is provided. To do this, it is enough to disconnect the input channel (4) for supplying the working fluid from one source and connect this channel to another pressure source using a manifold or other well-known switches: valves, gate valves, connecting heads.
  • the damper (12) is made, as a rule, in the form of a rectangular trapezoid in cross section, but other curved geometric shapes are not excluded.
  • Inclined clamps (26) hold the roller (25) and prevent dynamic impacts.
  • Clips (26) can be lattice, in the form of parallel or zigzag stripes. The most acceptable option is the shape of a triangle with a roller in one corner and radial recesses on each side of the roller.
  • the channels are combined in such a way that initially the working fluid supplied through flexible hoses or through channels in the pipes connected by the adapter to the input channel (4) enters the working chamber (23) of the first rotor section through the transition channel (27), while the working fluid from the working chamber (23) of the first section, at the time of the formation of a dead point in it, through the channel (13) of the intersectional sleeve (14) passes through the inlet channel (4) and the transition channel (27) into the working chamber (23) of the adjacent rotor section.
  • the rotors (10) are axially offset and separated by an intersectional sleeve (14) with channels (13) for transferring the working fluid from one rotary section to another in such a way that at the moment the working fluid begins to exit at a dead point in one section, the working fluid it doesn’t go out under pressure, and the energy returns to another similar rotor section at the time of formation of the working chamber in this adjacent section for reuse in the same process.
  • the casing (2) on the rotor section from the mouth side ensures the integrity of the borehole walls throughout the entire operational period.
  • a lining is mounted as a structural element that directly perceives soil pressure and provides protection from groundwater and quicksand.
  • the working fluid is the pumping fluid supply, the compressor supplying gas, air, engine exhaust gases or steam pressure with the possibility of rotation of the working fluid during the sinking process. In this way, during drilling, simultaneous flushing and purging is ensured.
  • a core receiver housing (6) in the form of a hollow cylinder is inserted into the inner part of the stator (21).
  • Cores (5) of small diameters are extracted by known core tinkers, and large-sized cores, in particular when creating underpasses, tunnels and mining, are extracted mechanically with the possible presence of people or robots in the face (tunnel).
  • the costs are much lower especially compared to phase drilling - expanding production to the required diameter in several passes.
  • the process occurs as follows.
  • the drill is installed with the end part on the mother rock, soil (1) and the working fluid is supplied from the drilling rig through hoses or channels in pipes (not shown in Fig.)
  • the adapter channel (8) and through the plug channel (7) from the mouth passes into combined input channel (4) of the stator (21) of the first section.
  • the working fluid enters the working chamber (23) of the first section.
  • the rotor roller (25) drives the rotor (10) and the screws (9) located on it.
  • the duty cycle in the second section is similar to the process in the first section with the release of the working fluid under pressure at the dead point through the channel (13), to the next rotary section, if any, or to the exhaust channel (17) in the absence of a third rotor section, pushing the rock (3 ), destroyed by rock-destroying elements (20) and displaced by screws (9) through an adapter (8) along the casing (2).
  • a core (5) is formed and held in a core receiving case (6), made in the form of a hollow cylinder inserted into the inner part of the stator (21).
  • a core (5) of small diameters is extracted by known core drills (not shown in FIG.), And a large core (5) is destroyed and removed using known mechanisms with the possible presence of a person or a robot in the face.
  • the less costly core removal method (5) is most effective when arranging pedestrian crossings in cramped conditions and tunneling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

L'invention se rapporte au domaine de l'industrie minière et de la construction dans le cadre d'un forage en colonne à percussion rotatif de puits verticaux, inclinés et horizontaux de moyen et grand diamètre, de l'extraction de minerais, de la formation de passages et de tunnels de manière à pouvoir changer la direction d'avancement lors de l'exécution des travaux. La foreuse comprend au moins deux section de rotor coaxiales comprenant chacune un rotor en forme de cylindre creux tournant autour d'un stator en forme de cylindre creux de moindre diamètre sous la pression de l'eau, de vapeur ou de gaz avec une rotation potentielle du corps de travail lors du processus de forage. Chaque section de rotor comprend dans le stator des canaux pour le corps de travail représentant l'axe, et un rotor externe avec des vis sur la surface externe du rotor externe. Dans la partie interne du stator se trouve un corps creux de réception de noyau. Sur la surface interne du rotor externe se trouve des des pinces dans lesquelles est monté un galet de rotor. Sur la surface externe du stator se trouve un renfoncement radia dans lequel est monté un volet à ressort avec un galet de stator. Le galet du stator et le galet du rotor sont disposés entre la surface interne du rotor et la surface externe du stator de manière à former une chambre de travail. Les canaux pour le corps de travail formées dans le stator sont reliés à une chambre de travail de chaque section de rotor par des canaux pour le passage du corps de travail. L'utilisation de la présente invention permet d'améliorer la puissance spécifique grâce à l'augmentation du moment rotatif tout en augmentant la fiabilité et les capacités de travail d dispositif.
PCT/RU2016/000846 2016-10-17 2016-12-02 Foreuse à percussion à rotor externe WO2018074944A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2016140694 2016-10-17
RU2016140694A RU2645019C1 (ru) 2016-10-17 2016-10-17 Бур внешнероторный забойный

Publications (1)

Publication Number Publication Date
WO2018074944A1 true WO2018074944A1 (fr) 2018-04-26

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Application Number Title Priority Date Filing Date
PCT/RU2016/000846 WO2018074944A1 (fr) 2016-10-17 2016-12-02 Foreuse à percussion à rotor externe

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RU (1) RU2645019C1 (fr)
WO (1) WO2018074944A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11670977B2 (en) 2019-04-24 2023-06-06 Black & Decker Inc. Outer rotor brushless motor stator mount

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112324374B (zh) * 2021-01-04 2021-04-20 成都理工大学 一种保应力取心装置及方法
CN112324375B (zh) * 2021-01-04 2021-04-20 成都理工大学 一种加压取心系统及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1221308A1 (ru) * 1984-08-16 1986-03-30 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Нефтяного Машиностроения Шнековый бур дл колонкового ударно-вращательного бурени
WO1993008374A1 (fr) * 1991-10-18 1993-04-29 Roe, John, Richard, Neville Moteur a ailettes
RU2049902C1 (ru) * 1989-07-12 1995-12-10 Нагибин Лев Николаевич Объемный забойный двигатель
RU2164999C2 (ru) * 1994-01-13 2001-04-10 Лоуренс Харрис Гари Забойный двигатель, бурильное устройство и буровая установка
RU2012109404A (ru) * 2012-03-12 2013-09-20 Владимир Митрофанович Панченко Двигатель внешнероторный

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1007613C2 (nl) * 1997-10-21 1999-04-23 Grup Ir Arnold Willem Josephus Trillingsvrije rollenwiekmotor en rollenwiekpomp.
RU2224077C2 (ru) * 2001-01-31 2004-02-20 Дочерняя компания "Укргазвидобування" Забойный двигатель
RU2463455C1 (ru) * 2011-02-24 2012-10-10 Владимир Митрофанович Панченко Роторно-шаровый двигатель

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1221308A1 (ru) * 1984-08-16 1986-03-30 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Нефтяного Машиностроения Шнековый бур дл колонкового ударно-вращательного бурени
RU2049902C1 (ru) * 1989-07-12 1995-12-10 Нагибин Лев Николаевич Объемный забойный двигатель
WO1993008374A1 (fr) * 1991-10-18 1993-04-29 Roe, John, Richard, Neville Moteur a ailettes
RU2164999C2 (ru) * 1994-01-13 2001-04-10 Лоуренс Харрис Гари Забойный двигатель, бурильное устройство и буровая установка
RU2012109404A (ru) * 2012-03-12 2013-09-20 Владимир Митрофанович Панченко Двигатель внешнероторный

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11670977B2 (en) 2019-04-24 2023-06-06 Black & Decker Inc. Outer rotor brushless motor stator mount
US11973374B2 (en) 2019-04-24 2024-04-30 Black & Decker Inc. Outer rotor brushless motor having an axial fan

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