FIELD: well survey, particularly to determine thermal properties of rock seams surrounding wells during well drilling or cased wells, as well as to detect technical conditions of wells during well operation and downhole equipment operation regimes. ^ SUBSTANCE: device comprises three identical heat-sensitive sensors arranged along well axis at predetermined locations and adapted to measure the sec...

FIELD: data recording optical carriers. ^ SUBSTANCE: optical recording data carrier has area of data as well as reference signals area where reference signals are recorded on base of conditions of recording, which conditions are defined for optimal recording/playing of data onto/from area of data recording optical carrier. ^ EFFECT: quick determination of optimal conditions of recording/playing. ^...

FIELD: oil production, particularly in-situ oil and gas gathering systems. ^ SUBSTANCE: method involves periodically passing well liquid flow through measuring device at constant pressure drop limits in measuring line, wherein well liquid is preliminarily separated from gas; taking measuring device readings characterizing well production rate. Well production rate is measured relatively time of li...

FIELD: oil production, particularly thermal field investigation inside producing wells. ^ SUBSTANCE: method involves lowering downhole cable provided with temperature meter in well, wherein downhole cable is arranged outside production string. Fluid temperature is measured by means of downhole measuring-and-stabilizing unit including at least one temperature sensor and parameter stabilizing device...

Wellbore communication systems and methods for a wellsite having a downhole tool deployed from a rig into a wellbore penetrating a subterranean formation are disclosed. One example communication system includes a first mud pulse telemetry device positioned in a downhole tool and at least one additional non-mud pulse telemetry device positioned in the downhole tool. The example system also includes...

A pneumatic tire comprises a rubber component, e.g. tread rubber, which is formed by winding an unvulcanized hybrid rubber tape and vulcanizing the windings. The hybrid rubber tape has a width of from 5 to 50 mm and a thickness of from 0.5 to 3.0 mm and comprises a conductive rubber part and a less-conductive rubber part. On each side or only one side of the tape, the conductive rubber part forms ...

A sensor strip with capillary flow control has a base layer having a plurality of conductive paths delineated thereon, an electrode forming layer disposed on the base layer, the electrode forming layer having a first opening forming a working electrode, a second opening forming a reference electrode, and a flow-control mechanism, a spacer layer disposed on the electrode forming layer, and a cover ...

An article carrier used to carry various personal items, such as money, credit cards, keys, passports, and the like. This article carrier is to be used in conjunction with an elastic material, such as a garter. The garter would encircle a body part, such as a thigh, ankle, wrist or bicep and would contain a device for attaching the article carrier to an inside portion of the garter-type device. A ...

A ( 1 ) personal electronic device carrier that can be designed to carry a multitude of different personnel electronic devices, writing material, maps, small books, notepads and keys. A universal strap assembly ( 2 ), with shoulder strap pad ( 13 ) and velcro loops for belt attachment that can be configured to support the personnel electronic device carrier ( 1 ) as a shoulder holster type carrier...

A control system for a mobile robot ( 10 ) is provided to effectively cover a given area by operating in a plurality of modes, including an obstacle following mode ( 51 ) and a random bounce mode ( 49 ). In other embodiments, spot coverage, such as spiraling ( 45 ), or other modes are also used to increase effectiveness. In addition, a behavior based architecture is used to implement the control s...

The invention is to provide a home security system capable of linking to an external communication network. N terminals are capable of linking to the external communication network. The home security system includes M sensing units and a coordinator. Each of the M sensing units includes a sensor and a transmitting module. The coordinator includes a receiving module, a storage device, a communicati...

A method and equipment which includes an illustrated-spot illumination-distribution data table for storing an illumination distribution within an illustrated spot and which calculates a coordinate position for a particle or a defect and the diameter of the particle on the basis of detection light intensity data about the particle or defect and the illustrated-spot illumination-distribution data ta...

The broadband brightfield/darkfield wafer inspection system provided receives broadband brightfield illumination information via a defect detector, which signals for initiation of darkfield illumination. The defect detector forms a two dimensional histogram of the defect data and a dual mode defect decision algorithm and post processor assess defects. Darkfield radiation is provided by two adjusta...

The present invention relates to a novel reactive medical substance having the bone restoration function, comprising a particular methacrylic acid ester, polymer and osteogenic factor. The reactive medical substance of the present invention has a mechanical strength which is increased by a reaction and is used in a living body for a long period of time. The osteoinduction-assistance composition ha...

Provided is an aqueous polyurethane emulsion composition having a urethane-urea bond, which is obtained by reacting a polyisocyanate, a polyester polyol and an ionic compound to prepare a polyurethane prepolymer, neutralizing it with an alkali or trialkylamine, dispersing it in water and reacting it with an amine, which is a chain extender. Polyurethane gloves manufactured with the aqueous polyure...