SU723087A1

SU723087A1 - Screw-type borehole-face motor

Info

Publication number: SU723087A1
Application number: SU752128409A
Authority: SU
Inventors: Моисей Тимофеевич Гусман; Дмитрий Федорович Балденко; Анатолий Михайлович Кочнев; Самуил Соломонович Никомаров; Валерий Игоревич Семенец; Николай Давыдович Щербюк
Original assignee: Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Буровой Техники
Priority date: 1975-04-25
Filing date: 1975-04-25
Publication date: 1980-03-25

Description

II

Изобретение относитс к буровой технике , а именно к забойным винтовым авигател м .The invention relates to a drilling technique, namely to a bottomhole screw driver.

Известен винтовой двигатель, включающий корпус, статор и ротор, соединенный с выходным валом посредством шарнирного соединени l .A screw motor is known, comprising a housing, a stator and a rotor connected to the output shaft by means of a hinged connection l.

Недостатками известного двигател вл ютс ухудшение условий промывки забо при снижении скорости вращени ротора, а также наличие сложного и нецолговечгого Б абразивной среде шарнирного соединени .The disadvantages of the known engine are the deterioration of the washing conditions of the bottom while reducing the rotational speed of the rotor, as well as the presence of a complex and non-durable B abrasive medium of the hinge.

Известен также забойный двигатель, включающий корпус и размешенный в нем секпионный героторный мехатазм 2.Also known downhole motor, including the body and placed in it the sekionny gerotorny mechatasm 2.

Однако в этом двигателе имеютс каналы между корпусом и статором, что уменьшает диаметральные размеры рабочих органов.However, in this engine there are channels between the housing and the stator, which reduces the diametral dimensions of the working bodies.

Цепью изобретени вл етс повышение вращающего момента и упрощение конструкции .The chain of the invention is to increase the torque and simplify the design.

Это достигаетс тем, что в забойном винтовом двигателе, включающем корпус, в котором размещен секционный героторны механизм, состо щий из статоров и полого ротора, образующих рабочие камеры, и напорную камеру, размещенную между секци ми героторного механизма, ротор героторного механизма соединен с колонной бурильных труб посредством полого упругого элемента, сообщающего полость бурильных труб с полостью ротора.This is achieved by the fact that in a downhole screw engine, including a housing, in which a sectional gerotor mechanism is placed, consisting of stators and a hollow rotor, forming working chambers, and a pressure chamber, placed between sections of the gerotor mechanism, the rotor of the gerotor mechanism is connected to the drill string pipes by means of a hollow elastic element connecting the cavity of the drill pipe with the cavity of the rotor.

На чертеже схематически изображен предложенный забойный винтовой двигателThe drawing schematically shows the proposed downhole propeller motor

Claims

The motor has a housing 1 in which a sectional gerotor mechanism is placed consisting of stators 2 and 3 and a hollow rotor 4, which form working chambers 5 and 6. The helical cuts of each section of the gerotor mechanism are made in different directions. The rotor 4 is connected to the column of drill pipe 7 by means of a hollow elastic element 8, for example, a flexible metal pipe that communicates the cavity of 9 drill pipes with a cavity of 10 rotor 4 and provides poiopn portable power from 1OC1 1h -: - body axis 1. Stators 2 and 3 are rigidly combined with the housing 1, in the upper part of which there is a poly-spiked node 11, to transfer axially and radially: loadings from the rock-breaking tool to Kolomna drill pipe 7, as well as rotation of the housing relative to columns of bursh pipes 7. Between them The rotary mechanism has a pressure on the chamber 12, which communicates with the rotor cavity 4 through the opening 13. The cavity 14 above the upper gerotor section is connected to the annular space through the opening 15 in the housing-1, the secondary area 16 is installed in the housing part In the case of a porous-destructive tool (not shown on the line). . During the operation of the downhole screw motor from the cavity 9 of the drill pipe, through the elastic element 8, the rotor 4 of the upper section of the gyratory mechanism and the hole 13 enters the pressure chamber 12, where it is divided into two streams, causing RTS in From chamber 5, the vessel enters cavity 14 and through opening 15 into the ruptured space, and from chamber 6 through the peroEdator 16 it receives an electrical destructive tool. In this case, the stator 2 and 3 and the housing 1 perform relative movement (rotation), and the rotor 4 and the flexible turbo tube 8 - portable transport relative to the axis of the housing 1. The proposed design of a downhole screw motor makes it possible to increase the rotational torque of the engine due to the rational use of area transverse, and also exclude multi-hinge joint. Claims: Downhole propeller motor, lowered onto a string of drill pipe, including a housing, in which a second-handed gerotor mechanism is placed, consisting of stators and a hollow rotor, forming chambers, and a nano-chamber, placed between sections of the gyratory mechatronicism, characterized by in order to raise the enemy -. for the moment and simplification of the design, the rotor of the gyratory mechanism is connected with the drill pipe string by means of a hollow elastic element that communicates the cavity of the drill pipe with the rotor cavity. Sources of information taken in shmaniyu during examination 1. USSR author's certificate number 237596, cl. Е 21 В 3/12, 1966.

2. Author's certificate of the USSR N 404928, cl. Е 21 В 3/12, 1971 (prototype).