The present invention relates to measuring equipment for providing information concerning inflow conditions to a well from fluid-producing zones in a formation, comprising a body which can be lowered through the well to the zones, and where the body comprises sensors (17, 19) for recording the different fluids and velocities of flow and other necessary flow parameters. According to the invention t...

A wellbore cable 100 has one or more fiber optic fibers 120,126 with one or more fiber Bragg gratings (127,129, Fig 3D) thereon or therein. Such a cable can be used in a system with an appropriate broadband source, detector system and other items (e.g. isolators, couplers, computers, and acoustic transmitters) to measure: the length of a cable in a wellbore, localized temperature in a wellbore, an...

An integrated drilling and evaluation system includes a drill string having an interior portion and a drill bit, carried on a lower end, that includes ports for communicating fluid between the interior portion of the drill string and an uncased well bore. A packer, carried above the drill bit, is operable for sealingly closing a well annulus. A tester valve inserted in the drill string is operable...

A formaldehyde-free curable aqueous composition containing polyvinyl alcohol, a multi-functional crosslinking agent, and, optionally, a catalyst. The composition may be used as a binder for non-woven products such as fiberglass insulation. The non-woven products are formed by contacting the formaldehyde-free curable aqueous composition with fibrous components and the mixture is cured to form a rig...

The present invention relates to a method for encapsulating an inorganic component in a wax, wherein the method comprises the following steps: i) subjecting the inorganic component to shearing forces such that deagglomeration of the inorganic component takes place, which step is carried out in the presence of the wax, with the wax functioning as a spacer to prevent reagglomeration, ii) subsequentl...

A cartilage and bone morphogenetic repairing material which contains a bone morphogenetic protein and a polyoxyethylene-p-olyoxypropylene glycol. In particular, it is preferable that a molecular weight of a polypropylene glycol, i.e., a component of said polyoxyethylene-polyoxypropylene glycol, being in the range of about 1,500-4,000 and a weight ratio of ethylene oxide being in the range of 40-80...

The invention relates to concretes and mortars comprising a hydrophilic component such as hemp, flax or straw; a binder which sets in air through absorption of carbon dioxide after reduction in an aqueous phase; at least one additive which forms a microcapillary system array; and at least one matrix water repellency additive.

A pedestrian safety service system and a method thereof are provided to let pedestrians and vehicles exactly recognize approaching of the other side by using the communication network instead of a sensor. A pedestrian safety service system is composed of at least one vehicle terminal(100) forming a vehicle ad-hoc network and providing location information of a vehicle through the vehicle ad-hoc ne...

An apparatus and method for estimating and combining frequency errors in a mobile communication system. A controller divides data received from a main base station (BS) and control information received from a neighbor BS and controls allocation to fingers. A main automatic frequency control (AFC) loop is formed by estimating and combining frequency errors of the data received from the main BS. A s...

A method and an apparatus for notifying the update of ESG(Electronic Service Guide) by using PSI/SI(Program Specific Information/Service Information) in a digital broadcasting system are provided to allow a terminal to receive accurate ESG information by informing information indicating whether the ESG is updated to a terminal by using the PSI/SI without delay although the update of the ESG inform...

A method and apparatus are provided for generating a code by quickly computing a state of a Linear Feedback Shift Register (LFSR) in a mobile communication system, in which a code for the communication system is generated including an n-stage LFSR and operating in sleep mode and active mode set at a preset time interval from the sleep mode. Current state values of the LFSR are combined with n diff...

A method for depositing a metal thin film on a semiconductor substrate is provided to improve the uniformity of the metal thin film by keeping optimally the distance between a target and the substrate using a support unit moving process. A semiconductor substrate is loaded into a PVD process chamber(S200). A plasma gas is supplied into the chamber. A sputtering process is performed on a target by ...

A wideband radio access network system in which a predetermined mobile node (MN) is wirelessly connected to a core network (CN) through a first intermediate router (IR) and a second IR neighboring the first IR is tunneled to the first IR, to transmit data from the MN to the CN through at least one IR. The MN transmits data to the first and second IRs, and if at least one IR receives the data norma...

PURPOSE: An apparatus and method for transmitting a data traffic channel in a mobile communication system is provided to transmit additional control information to a preamble channel used for only user classification in an 1xEV-DV system for simultaneously transmitting fast packet data and voices. CONSTITUTION: An index grouping table(304) stores Walsh functions and packet control information inde...

A method and apparatus for transmitting uplink acknowledge information (ACK) in a communication system using an orthogonal frequency division multiple access (OFDMA) scheme. The method includes receiving a data bit for the uplink ACK; outputting codewords corresponding to the data bit; performing quadrature phase shift keying (QPSK) modulation on symbols for ACK vector indexes corresponding to the...

A method for controlling a rate of a voice service in a mobile communication system supporting the voice service via a packet network. The method includes the steps of receiving a control message at a terminal from a radio network controller (RNC); if the control message indicates control of a downlink rate, determining a downlink rate according to the control message; setting a Change Mode Reques...

A propeller shaft assembly is provided to improve the productivity and to reduce the management cost by extending a change period of the propeller shaft assembly. A propeller shaft assembly comprises a slip yoke(10) and a spline shaft(20) inserted into the slip yoke(10) such that the spline shaft(20) slides in the slip yoke(10). A guide shaft(21) protrudes from the end of the spline shaft(20), hav...

A method of controlling a remote-controlled electronic device using a universal remote controller includes the following steps. The first step is to provide a universal remote controller. The second step is to establish a communication link between the universal remote controller and a first electronic device, such that the universal remote controller is able to obtain a playback list from the fir...