FIELD: oil and gas production industry. SUBSTANCE: this is used for evaluation of bed quality during drilling of oil or gas well, particularly for determining composition and volume of recovered hydrocarbons. According to method, drilling mud emitting from well during drilling process has adjustable concentration of given external matter which is maintained by adding it if necessary. At least part...

PCT No. PCT/PT95/00005 Sec. 371 Date Oct. 30, 1996 Sec. 102(e) Date Oct. 30, 1996 PCT Filed May 4, 1995 PCT Pub. No. WO95/30487 PCT Pub. Date Nov. 16, 1995A centrifuge for a fluid uses a series of centrifugal modules to separate the fluid from particles suspended in the fluid. The fluid enters through the bottom of the centrifuge and is subjected to the centrifugal force by a set of rotors. The fl...

PCT No. PCT/DE95/00112 Sec. 371 Date Apr. 22, 1996 Sec. 102(e) Date Apr. 22, 1996 PCT Filed Jan. 27, 1995 PCT Pub. No. WO95/22642 PCT Pub. Date Aug. 24, 1995A method for manufacturing a hardened lead storage battery electrode wherein fine, particulate solids, that are insoluble in lead, are incorporated into a lead matrix. The method includes the steps of incorporating solids, dissolved or suspend...

PCT No. PCT/DE95/01745 Sec. 371 Date Jun. 6, 1997 Sec. 102(e) Date Jun. 6, 1997 PCT Filed Dec. 7, 1995 PCT Pub. No. WO96/17584 PCT Pub. Date Jun. 13, 1996A combination preparation for stimulating the growth of hair and, optionally, the growth of skin and nails with a combination of active ingredients comprising vitamins, enzymes, and amino acids develops its effects from within the body, in that t...

A method and apparatus for the gaseous reduction of particulate iron ores, wherein the ore or is fed to a vertical moving bed direct reduction reactor, reduced therein, and discharged as hot sponge iron. The ore is charged to the top portion of the reduction zone of the furnace wherein the bed of particles which descend by gravity is reduced by a hot reducing gas largely composed by carbon monoxid...

Apparatus for inspecting the sealing surface area of a container finish that inc ludes a structured light source positioned to direct a collimated line-shaped light be am onto the sealing surface area of a container is moved relative to the light source. The line-shap ed light beam at the container sealing surface area has a long dimension orthogonal to the container axis that extends chordally ac...

A method for determining the presence of an analyte in a fluid is described along with an apparatus specifically designed to carry out the method. The method involves taking a reflectance reading from one surface (15) of an inert porous matrix (11) impregnated with a reagent that will interact with the analyte to produce a light-absorbing reaction product when the fluid being analysed is applied t...

A method for determining the presence of an analyte in a fluid is described along with an apparatus specifically designed to carry out the method. The method involves taking a reflectance reading from one surface (15) of an inert porous matrix (11) impregnated with a reagent that will interact with the analyte to produce a light-absorbing reaction product when the fluid being analysed is applied t...

The warning system is used to indicate the approach of a train via signalling stations (1) linked to warning stations (5) at the working zones. The position of each warning station is determined by a radio receiver (51) for a global positioning system, so that only the status information provided by the signalling station corresponding to the working zone in which the warning station is located is...

Stable aqueous dispersions of finely divided piperazine-containing polyamide resin particles and methods for the manufacture thereof are provided. Dispersions according to this invention find use in hot melt adhesives, coatings, inks, and the like.

A method of protecting plants and seeds thereof which are susceptible to attack by microorganisms. To the plant or seed is applied a compound having the formula (I): wherein R and R min are independently hydrogen or alkyl of 1 to 4 carbon atoms, and R" is (a) hydrogen, (b) a halogen atom F, Cl, Br or l, or (c) a nitro group, or a salt of the compound. The method disclosed is especially use...

PCT No. PCT/FI94/00376 Sec. 371 Date May 31, 1996 Sec. 102(e) Date May 31, 1996 PCT Filed Aug. 26, 1994 PCT Pub. No. WO95/06004 PCT Pub. Date Mar. 2, 1995Waste water sludge which contains phosphorous, heavy metals and at least one metal originating from a waste water treatment coagulant, is treated in order to recover the phosphorous and the at least one metal, and to discharge the heavy metals. T...

A coating composition is described comprising a polymer resin binder and optically variable thin film pigment flakes. The pigment flakes have a multilayer thin film interference structure comprising a metal reflector layer having first and second parallel planar surfaces and, disposed on at least one of said first and second planar surfaces, at least one transparent dielectric layer. The coating ...

The present invention relates to a method for manufacturing amorphous transducer elements with a high magnetomechanical coupling and with various non-planar cross-sectional shapes. According to the invention the amorphous strip or ribbon is arranged in a shaping fixture and is annealed in a two-step process with an intermediate cooling step, the annealing process during the first step being carrie...

Video data is reproduced from a record medium on which is recorded, in multiplexed form, the video data, reference time data representing a reference time, and video time data representing the time at which decoding of the video data reproduced from the record medium should begin. The reference time data is separated (5A) from the reproduced multiplexed data and used to generate timing data. The v...

Baffles (1) are inserted into the column, in place of the usual packing for countercurrent liq./vapour mass transfer. They are esp. suitable for liq. suspensions, from which material can ppte. The baffles (2, 3, 5) are membrane-like semi-flexible sheets. The falling fluid descends in a series of curtains over them. In the ascending vapour phase, sharp flow reversals generate turbulence. The elemen...

PCT No. PCT/GB93/00248 Sec. 371 Date Aug. 3, 1994 Sec. 102(e) Date Aug. 3, 1994 PCT Filed Feb. 5, 1993 PCT Pub. No. WO93/16006 PCT Pub. Date Aug. 19, 1993Sewage treatment apparatus comprising a tank, aeration means which serve to aerate a biomass contained within the tank when the apparatus is in use, and air compressor means which are connected to the aeration means to deliver air thereto, in whi...

A conveyor for waste has a waste feed shaft which is laterally connected to a horizontally divided conveyor channel. A screw conveyor being drivable by a motor is located in the longitudinal direction of the conveyor channel. The conveyor channel opens into a housing, in particular into a pyrolysis reactor, which by way of example is operated in conjunction with a low-temperature carbonization com...

PCT No. PCT/GB93/01757 Sec. 371 Date Apr. 5, 1995 Sec. 102(e) Date Apr. 5, 1995 PCT Filed Aug. 18, 1993 PCT Pub. No. WO94/04290 PCT Pub. Date Mar. 3, 1994Sludges and slurries, e.g., oil, grease or paint based, are encapsulated into fly ash or similar particulate material by adding solvents to effect the encapsulation and absorption of the sludge. Subsequently, the particulate material is heated to...

The polymethyl methacrylate (PMMA) or copolymer thereof used to produce one-piece intraocular lenses is modified by a compression molding process to produce a much tougher material with improved mechanical properties. The process takes material in rod form and compresses into lens blanks. The molded lens blanks receive little or no compression strain in the center 4 mm optic zone. The compression ...