In response to the torque of the drive (E21B44/04)

Systems and methods for adjustment of drilling pressure and phase balancing // 2624494
FIELD: oil and gas industry.SUBSTANCE: arrangement of the drill string bottom contains the first sensor adapter, located near the drill bit and performed with the ability to control one or more operating parameters, related to the drilling bit, the second sensor adapter, separated from the first sensor adapter along the axis, and located near the reamer and executed with the ability to control one or more of the operating parameters of the reamer, and the communication module, connected to the first and the second sensor adapter through the communication means and made with the ability to transmit along them one or more signals of corrective actions in case, if one or more of the drill bit and the reamer operating parameters exceeds the specified operating level, and one of the hydraulic adapter and the downhole propulsion plant, installed between the drill bit and the reamer and connected to the communication module to receive one or more corrective actions signals and activation, in response to this, the load distribution balancing between the bit load and the load to the reamer.EFFECT: load balancing and hydraulic power distribution between the individual downhole cutting tools.17 cl, 5 dwg

ethods of creating drill string vibrations // 2619299
FIELD: mining.SUBSTANCE: method for creating vibrations of the drill string, wherein vibrations are created in at least a part of the drill string, in accordance with the first characteristic of acceleration change with use of the top drive, connected, at least indirectly with the drill string. The first characteristic of acceleration contains the previously stored oscillation parameters, including the first acceleration characteristic, with the first signal form determined by a particular first waveform selected from the group consisting of sinusoidal, speed and triangular shapes. This creates vibrations in at least a portion of the drill string in accordance with the second acceleration characteristic different from the first characteristic of acceleration change by means of the top drive. The second characteristic of acceleration contains the previously stored oscillation parameters, including the second acceleration characteristic, with the first signal form determined by the second waveform selected from the group consisting of sinusoidal, speed and triangular shapes, and the transition between any of sinusoidal, speed and triangular waveforms associated with the first form of the signal. The second waveform defining the second signal form is different from the first waveform defining the first signal form and the creation of vibrations of the at least a portion of the drill string in accordance with the third characteristic of acceleration change by means of the top drive. The third characteristic of acceleration change is optimized on the basis of the response associated with fluctuations according to the first characteristic of acceleration change and response associated with fluctuations in accordance with the second characteristic of acceleration change.EFFECT: increased efficiency of drilling.20 cl, 8 dwg

System (versions) and method (versions) for well cutting tools hydraulic balancing // 2618549
FIELD: oil and gas industry.SUBSTANCE: drilling string bottomhole assembly comprising a drilling bit and a reamer axially displaced in the direction of the drillingl bit, the first sensor sub located in close proximity to the drilling bit with the ability to control the bit load, the second sensor sub located in close proximity to the reamer with the ability to control the reamer load, a data transmission block having a communication connection with the first and the second sensor subs and configured to receive and process the bit and the reamer load data, and one or more controlled nozzle located in each of the said drilling bits and reamer, and each controlled nozzle has a communication connection with the data transmission block and is actuated by this data transmission block to adjust hydraulic power supply to the drilling bit or the reamer when the ratio between the bit load and the reamer load exceeds the predetermined threshold work.EFFECT: increased drilling efficiency.19 cl, 4 dwg

Toroidal sections for measuring rotation frequency per minute // 2616197
FIELD: measuring equipment.SUBSTANCE: group of inventions relates to the means for measuring drilling parameters and transmitting the measured data in the downhole during the drilling process. In particular, a telemetry system is provided for determining parameters during drilling, comprising a lower toroid containing a lower toroid winding and further configured to receive a signal from one or more sensors, an upper toroid, wherein the upper toroid comprises an upper toroid winding, and a magnet located along the rotating element inside one of the lower or upper toroid. Herewith one of the upper or lower toroid is further configured to engage with the rotating element. The lower toroid and the upper toroid are located in such a manner that the signal from the lower toroid is induced in the upper toroid.EFFECT: lower toroid winding is nonuniform, so that the signal induced in the upper toroid, indicates the shaft rotation speed of the hydraulic downhole motor.20 cl, 8 dwg

Optimized drill string rotation during directional drilling in the sliding mode // 2616053
FIELD: oil and gas industry.SUBSTANCE: according to the rotation control method of drill string, connected to the drill bit inside the wellbore, angular speed is defined for at least a part of the drill string, an angular velocity threshold value is determined to prevent static friction, the minimum input torque is determined for application to a drill string for maintaining the angular velocity at the angular velocity threshold or above it, then a control signal is generated for the top drive motor at least partially based on a minimum input torque.EFFECT: static friction overcoming with the minimum energy consumption.20 cl, 6 dwg

ethod and system for automatic milling operation // 2600995
FIELD: mining.SUBSTANCE: invention relates to wellsite equipment, such as oilfield surface equipment, downhole assemblies and the like. Method and assembly for milling an obstruction disposed within a wellbore includes milling module with an engine rotating a milling bit, first electronics cartridge to control the engine based on motor torque value, tractor module for engaging with the wellbore and providing push force against wellcore to urge the milling assembly in the direction of the milling bit, second electronics cartridge for controlling a push force value of tractor module. Method involves rotating the milling bit, engaging the tractor module with the wellbore and adjusting, iteratively, the operation based on a calculated torque value and a calculated push force value to maintain the calculated values at around a target torque value and below a push force limit value and below a push force limit value.EFFECT: higher efficiency of controlling a tool, which at the same time provides the protection of the tool.20 cl, 4 dwg

Control over feed of rolling cutter machine for drilling of blast wells and device to this end // 2561198
FIELD: process engineering.SUBSTANCE: set of inventions relates to mining, particularly, to rolling cutter machines for drilling blast wells. This process uses tackle systems with friction winches driven by induction motors and drives rpm controllers. It consists in application of frequency inverter for control over each induction motor. Frequency variation is used to set rectilinear working characteristic torque-rpm of every motor. Drive rpm controller is used to time the rpm of each motor. Torque is measured at one of said motors to correct the load at the other motor by measured torque.EFFECT: compensation for non-synchronous rpm of winch drives, difference in diameters of winch drums and cables, cable slippage and friction forces, ruled out skew of the carriage.2 cl, 4 dwg

Device for preventing net torque of bore bit and for adjustment of bore bit deflection // 2363844
FIELD: oil and gas production.SUBSTANCE: invention refers to oil-field boring, particularly to self-contained drilling rig and to remotely controlled drilling robot devices used at well boring. The drilling device consists of a concentrically divided bore bit; also an internal bore bit rotates simultaneously with external bore bit in the opposite direction. The internal bore bit can move forward in axial direction to the external bore bit or backward from it. Forces created by internal and external bore bits are adjusted to eliminate or correct torque reaction.EFFECT: preventing drops of driving rate caused by objectionable rotating of drilling rig and initiating required deflection of bore bit.20 cl, 15 dwg

Assembly point and method to control drill string twirling energy // 2329376
FIELD: mining.SUBSTANCE: assembling point and method of energy twirling control are intended for eliminating interrupted motion and/or oscillations of a drilling bit including axial oscillations and/or angular oscillations around axis. According to one of the preferable options, the assembling point enables upper and lower tubular members of drill string to slip against each other. The assembly point of rotation control can be installed in any determined place in a drill string. The assembly point of rotation control can also be used as a component of other drill mechanisms such as a well engine for drilling. The device of rotation control provides slipping during drilling within the set time limits, within the limits of defined rotation angle of turning, or with due account of other criteria of twirling energy release in the drill string that otherwise can cause destructive discontinuous torsional oscillations, such as interrupted motion. According to one of the options, the assembly point of rotation control can incorporate a shift and a disengagement clutch. As a result, a torque will be fully transferred or not transferred through the assembly point within brief periods.EFFECT: higher penetration speed during drilling; longer service life of drill bit; reduced pressure in joints of drill string.31 cl, 13 dwg

The method of regulating the load on the bit when drilling deep wells // 2232882
The invention relates to the field of well construction and is intended to improve the efficiency of drilling deep wells and prevent accidents caused by breakdowns drill pipe and drill bits
 
2551138.
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