FIELD: oil production industry, particularly to detect circulation in casing annulus and to control cement stone integrity. ^ SUBSTANCE: method involves controlling presence of indicator in product to be extracted. Method of indicator presence involves carrying out laboratory researches during deposit development along with maintaining formation pressure with the use sweet or waste water, wherein ...

FIELD: survey of boreholes or wells, particularly in borehole geophysical instrument requiring additional thermal stabilization. ^ SUBSTANCE: mounting with members to be thermostated is arranged inside heat absorbing device. Heat absorbing device is made as a set of heat absorbers, each of which is made as hollow heat-conductive cylinder filled with heat absorbing material. Heat insulator is forme...

FIELD: mechanical engineering; aircraft and rockets. ^ SUBSTANCE: proposed drive has housing 1, electric motor 2 with input shaft 3 placed inside housing 1, reduction gear 4, output shaft 5 with drum 10, position pickup 7 with gear 8. Cylindrical space is made inside drum 10. Electric motor 2 is installed on one end face wall of drum 10 in its space, and position pickup is installed on other end f...

FIELD: training systems. ^ SUBSTANCE: system has server and user terminals, while server has: memory for storing materials, transfer module for sending aforementioned material to user terminal, receipt module for receiving information about trainee actions from terminal and module for estimating user training on basis of aforementioned actions. User terminal has receipt module for receiving materi...

FIELD: economical processes modeling technologies. ^ SUBSTANCE: system has block for calculating sells, block for profit distribution, block for distributing savings, block for modeling distribution coefficients, block for modeling full costs of production and taxes, block for modeling costs of main funds, block for modeling external borrowings, block for modeling consumption, block for analyzing ...

FIELD: survey of boreholes or wells, particularly devices for differential pressure measurement equipment during balanced or unbalanced well boring. ^ SUBSTANCE: method involves determining excessive pressure inside drilling string and in annular space is static mode with the use of excessive pressure sensors, wherein the sensors communicate with flushing orifice and hole annuity through pressure ...

The method involves immersing a fragment contained in a confinement chamber of liquid. Volume of injected liquid is measured by measurement of associated pressure variation in an accumulator (9). Value of physical parameters of the fragments is adjusted such that the modeled evolution of the injected volume adjusts itself with measured evolution of the injected liquid. An Independent claim is als...

FIELD: survey of boreholes or wells, particularly to measure fluid flow in oil and gas wells. ^ SUBSTANCE: device comprises impeller, micromotor and electronic unit. Mocromotor shaft is connected to impeller shaft by means of lapped cylindrical couple and is reinforced with thrust bearing. Material of micromotor shaft located inside lapped cylindrical couple and material of above couple bush has e...

FIELD: well drilling and operation, particularly to connect power source to power consumer, namely to downhole instrument. ^ SUBSTANCE: connector comprises generator shaft and downhole instrument case connected with each other. Bush, thrust washer, rigid insulated washer, resilient sleeve shaped as truncated cone are concentrically arranged inside the shaft. The resilient sleeve is provided with c...

FIELD: electrical engineering; chemical current sources; production of lead-acid cells, additives for sulfuric-acid electrolytes in particular. ^ SUBSTANCE: proposed additive is made from mixture of sulfate of metal with phosphonocarboxylic acids and aminoalkylphosphonic or hydroxyalkylene diphosphonous acids in diluted sulfuric-acid medium at pH no more than 0.8 and total content of phosphonous a...

The present invention provides an apparatus for cutting nonmetal including glass stably, by which the glass substrate for fabricating a module of a display such as TFT-LCD, PDP and OLED can be cut fast and stably with precision without causing a damage to the substrate to enhance productivity and throughput. The present invention includes a laser beam generator (10) generating a UV short wavelengt...

The present invention provides a method of cutting nonmetal including glass stably, by which the glass substrate for fabricating a module of a display such as TFT-LCD, PDP and OLED can be cut fast and stably with precision without causing a damage to the substrate to enhance productivity and throughput. The present invention includes the steps of generating a laser beam by an Nd-YAG oscillator (10...

PROBLEM TO BE SOLVED: To provide a laser processing apparatus employing a polygon mirror capable of processing an object without exchanging arrangements, preventing a recast phenomenon, and processing the object, such as a wafer, with high precision dimension.

SOLUTION: As the apparatus for processing the object by utilziing a laser beam, the apparatus employing the polygon mirror includes ...

PROBLEM TO BE SOLVED: To realize start acceleration of follow-up travel that does not give a sense of incongruity to a driver.

SOLUTION: The initial target value and change rate proportional to the relative speed of a command throttle opening of one's own vehicle 1 based on the detection of the relative speed of a preceding vehicle are calculated by starting of the follow-up travel of the o...

PROBLEM TO BE SOLVED: To provide a vehicular motion control device performing adequate motion control by avoiding the interference of the deceleration control to stably passing a corner with the turn control to eliminate the under-steer and the over-steer of a vehicle.

SOLUTION: When the deceleration control to control the turning motion is determined by a control quantity determination mea...

PROBLEM TO BE SOLVED: To provide a creep control apparatus of a start-up clutch, which apparatus can reduce the clutch connection shock.

SOLUTION: The creep control apparatus 10 includes a transmission control unit 17. The transmission control unit 17 has the option of states of complete connection for connecting the start-up clutch 14, a half-clutch for sliding the start-up clutch 14, or a...

PROBLEM TO BE SOLVED: To provide a hybrid driving device capable of securing hydraulic feeding to a friction fastening element even during halts of an engine while cutting costs and improving a layout.

SOLUTION: This hybrid driving device includes a differential gear in which the engine, a first motor, a second motor, and an output member are connected, the friction fastening element provid...