SU126826A1 - The method without pumping drilling without pacing the projectile and device for its implementation - Google Patents

Description

The application of the known methods of pump-less core drilling requires the periodic drilling of the entire drilling tool.

The described method differs from the known ones in that a hydraulic system is used to reciprocate the drilling projectile, and a valve box with D1) org and pedestrian sliding valves is used to create a pulsating flow.

FIG. 1 shows us | 1 method for osuschech tvlenn way; in fig. 2-valve box to create a luce of flow.

A capacitance J is installed on the surface, from which the water flows through the hose 2 to the cylinder 5 through the opening 4 therein. Plunger 5, committing a consonant-sensory movement, pushes water from the cylinder through the slag 6 through the flushing seal 7, the drill rods fi into the underground projectile through the adapter 9. Pressure and accessibility; water acts on the piston JO, while compressing the fluid in the chamber // and 12, pushes it through the valve 13 into the annulus, and when relieving pressure from the piston 14 returns it to its original position, the most causing discharging in the chambers // and 12 and the aspiration of the flushing fluid; stp with the bottom through the drill bit 15, the core pipe 16 and the valve 17 into the chambers. The periodicity of squeezing and discharging nicks creates p-myculation, in which the sludge settles in chamber 12.

The valve 18 serves to release the warhead into the annulus, which can penetrate through the gland or seal in the; 1; K. Step 19 serves to backwash through opening 20.

The valve box 21 (FIG. 2) with the aid of the cam 22 and the spring 23 performs a reciprocating movement. In position: in the drawing, on the left, valves 24 and 25 are located on the seats 26 and 27. At -TO.I, the pump pumps water through the holes 28 and 29 through the holes 28 and 29,

No. 126826

and at-position on the right: 1kate. The 30 valves are raised and the icipan 24 is pressed to the upper seat 31. At this time, the fluid injected — a. Air cleaner.) Without the seat 26, flows through the hole 32 into the sump, and the fluid from the drilling tool through the holes 29, saddle 27 and the hole 32 also dumped into sump.

Subject and title

Claims (3)

1. The method of pump-less drilling without pacing the projectile, due to the fact that, in order to eliminate the need to give the drill string a reciprocating movement and, consequently, increase the working capacity of the crown and durability of the drill pipe, a well-known principle is used hydraulic pump used in piston pumps for pumping fluid from boreholes. 2. Method according to n. 1, characterized in that, in order to transform a continuous flow of fluid into a pulsating one, a valve box with two fixed valves and movable valve seats was used, which provides free flow of fluid in the direction of using its energy for operation in case of closing both valves and flushing back the fluid when the valve is opened, one of the valves, separating from the lower seat, plunges into the other upper saddle and blocks the flow of fluid following the pump from the pump into the drill string the pipes, and the second valve, at the same time, detached from the saddle, communicates the channel of the drill pipes with the tank into which excess liquid is discharged from the pipes. 3. The devices of claim 1, wherein they are effected by the fact that a cam mechanism in the form of an eccentric is used to move a part of the valve box that carries the valve seats; the reverse movement of the box is made with the help of springs. .9 . Fig f