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1 / 487,280
1.WO/1997/047853METHOD AND DEVICE FOR RINSING AND/OR CLEANING DELIVERY PIPING
WO - 18.12.1997
Int.Class E21B 21/10
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
21Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
10Valves arrangements in drilling-fluid circulation systems
 Appl.No PCT/AT1997/000119 Applicant SBS DRILLING- AND PRODUCTION-SYSTEMS GMBH & CO. KG Inventor KREHAN, Karl, Heinz
A method and device for rinsing and/or cleaning delivery piping (2), in particular an essentially vertical crude-oil production pipeline, with the delivery pipe (2) being located in a casing (1) that surrounds the delivery pipe (2), forming an annulus, and with the fluid to be delivered being discharged, in particular pumped, via the delivery pipe (2). For rinsing and/or cleaning, the delivery of the fluid to be delivered in the delivery pipe (2) is interrupted, a rinsing fluid is introduced, in particular injected under pressure, into the casing (1) that surrounds the delivery pipe (2), forming an annulus, and the rinsing liquid is introduced into the interior of the delivery pipe (2) via one or more sealable openings in the jacket of the delivery pipe (2) that open into its interior, and preferably discharged through the delivery pipe (2).
2.WO/1998/058144FORMWORK DEVICE WITH ADJUSTABLE BENDING RADIUS
WO - 23.12.1998
Int.Class E04G 11/06
EFIXED CONSTRUCTIONS
04BUILDING
GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
11Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
06for walls, e.g. curved
 Appl.No PCT/FR1997/001083 Applicant EUROBRESS (S.A.R.L) Inventor FOUR, Gilles
The invention concerns a formwork device with adjustable bending radius comprising arch centering templates (10) cut out at a predetermined bending radius, clamping means (8, 9) for pressing the arch centering templates (10) against the formwork sheet metal (2) and adjusting means (4, 5, 6, and 7) provided for deforming the formwork sheet metal (2) either along the arch centering template (10) bending radius, or along different bending radii which, however, are within said template elastic deformation.
3.WO/2000/022280ACOUSTIC METHOD (ARWL) FOR APPLYING AN ACTION ON A WELL AND ON THE LAYER OF A FIELD OF MINERAL RESOURCES
WO - 20.04.2000
Int.Class E21B 28/00
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
28Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
 Appl.No PCT/RU1999/000367 Applicant ORENTLIKHERMAN, Isaak Aronovich Inventor ORENTLIKHERMAN, Isaak Aronovich
The present invention pertains to the extraction of mineral resources obtained by a method involving the use of wells, and essentially relates to an acoustic method for applying an action on a well and on the layer of a field of mineral resources (ARWL). This invention can be used in the crude-oil extraction as well as in the gas, mining and geological prospecting industry. This invention is more particularly intended for use in the gas and crude-oil extraction techniques, mainly during operations for the rehabilitation of wells and layers (acoustic rehabilitation of wells and layers or ARWL) in order to increase the crude oil yield from the layers and to enhance the crude oil extraction. The method of the present invention comprises operations that involve applying a complex acoustic action on the perforated zones of the well and carrying out a selective treatment of the perforation interval and of the producing strata of the layer using a directed acoustic field in order to combine the pressure, the duration and the range of the action. The method involves using sound and ultrasonic signals with directivity characteristics of up to 180° as well as acoustic pressure indicators from minimal values necessary for modifying the current operation of the well to maximal values defined by the elasticity limits of the rock. These operations are carried out for a duration which represents an efficient action duration, the action range being the initial efficient action range. The treatment can be made according to a basic mode that involves sequentially treating the well perforation interval and the producing strata of the layer using three acoustic signals, or according to another combined sequence determined from the type and the condition of the well. This method is used for unifying the complex action for all types of wells having different exploitation modes and being operational or not.
4.WO/1998/011291COMPOSITE FABRICS, METHOD FOR THE PRODUCTION AND USE THEREOF
WO - 19.03.1998
Int.Class D04H 13/00
DTEXTILES; PAPER
04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING
13Other non-woven fabrics
 Appl.No PCT/EP1997/004933 Applicant KUFNER TEXTILWERKE GMBH Inventor SCHWEKUTSCH, Siegfried
The invention relates to a composite fabrics, comprising woven material or knitted fabrics and at least one non-woven layer, wherein the woven material or knitted fabrics and the fleece non-woven layer(s) are glued together. Also disclosed is a method for the production of the composite fabrics and its use as a stiffening insert, especially as a plate insert, e.g. for strengthening and upholstery of sleeves in the elbow area, strengthening of waistbands or caps and/or hats.
5.WO/1998/017134ELASTIC INTERLINING
WO - 30.04.1998
Int.Class A41D 27/06
AHUMAN NECESSITIES
41WEARING APPAREL
DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
27Details of garments or of their making
02Linings
06Stiffening-pieces
 Appl.No PCT/EP1997/005657 Applicant KUFNER TEXTILWERKE GMBH Inventor SCHERBEL, Ulrich
The invention relates to an elastic interlining, specially an elastic fixing lining, comprising a support and a superposed adhesive mass layer, wherein the support contains multicomponent fibers consisting of at least two different polymers. Polyester-based bicomponent fibers are preferably used although said yarns can also be mixed with polyester, polyamide, polyacrylonitrile, viscose, wool or cotton. Said interlining can be used as elastic fixing lining to reinforce outer fabrics, specially the front part of garments.
6.WO/2000/020896PIEZOELECTRIC CONVERTER
WO - 13.04.2000
Int.Class B06B 1/06
BPERFORMING OPERATIONS; TRANSPORTING
06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
BGENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
1Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency
02making use of electrical energy
06operating with piezoelectric effect or with electrostriction
 Appl.No PCT/RU1999/000361 Applicant ORENTLIKHERMAN, Isaak Aronovich Inventor ORENTLIKHERMAN, Isaak Aronovich
The present invention pertains to the field of geophysical well equipment and of equipment for applying physical actions on the fields. This invention can be used in geological prospecting, in the mining, petroleum- and gas-extraction industry as well as in other industrial branches for intensifying the extraction of mining resources. The piezoelectric converter includes a piezoelectric packet that comprises longitudinally polarised piezo-ceramic rings which are connected in parallel and associated with end parts having a thickness of λ\40, wherein λ is the wavelength of the material used for said parts. The piezoelectric converter also includes a reinforcement rod member as well as a retaining ring member that provides the longitudinal compression forces of the piezoelectric converter, i.e. the reinforcement force thereof. The retaining member comprises a flute for dampening oscillations and for eliminating the need for any reinforcement tube in the oscillating system. The piezoelectric packets are connected by a flexible insert or resilient member. The rod member and the retaining member are connected so that the reinforcement force can be adjusted. The resilient member and the end parts are made of a material exhibiting wave resistance as well as a thermal expansion coefficient for the ceramic of the rings, e.g. titanium or steel. This piezoelectric converter has an increased reliability and an extended life time.
7.WO/2001/049784METHOD OF PRODUCTION OF A LIQUID TARPAPER CONTAINING CELLULOSE
WO - 12.07.2001
Int.Class C08L 1/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
1Compositions of cellulose, modified cellulose, or cellulose derivatives
02Cellulose; Modified cellulose
 Appl.No PCT/SK2000/000024 Applicant SLOV CEBUNA S.R.O. Inventor MORAWSKI, Pavel
The method of production of a liquid tarpaper containing cellulose, where the compound consisting of 30 to 50 % volume units of homogenised waste sludge containing the so-called zero cellulose fibre, 35 to 60 % volume units of asphalt-bentonitic suspensions used as a binding agent, 8 to 15 % volume units of plasticizers, 3 to 5 % volume units of water dilutive acrylate polymers, copolymers or dispersive epoxy resins and 0.15 to 0.6 % volume units of antibacterial substances, where the waste cellulose is pre-dried to 60 up to 70 % dry matter and subsequently enriched with treating antibacterial matters, while after being fiberized to a fine homogenous mass and adding the binding agent of asphalt-bentonitic suspension, the compound creates a paste-like consistent matter during tuning in a blender with concurrently adding of plasticizers and batching water.
8.WO/1998/029639METHOD FOR FORMATION EVALUATION WHILE DRILLING
WO - 09.07.1998
Int.Class G01R 33/44
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
20involving magnetic resonance
44using nuclear magnetic resonance
 Appl.No PCT/US1997/023975 Applicant NUMAR CORPORATION Inventor PRAMMER, Manfred
A logging while drilling (LWD) and measuring while drilling (MWD) method and device (16) are disclosed for reducing the sensitivity of NMR measurements to tool (16) motions. The invention is based on NMR relaxation measurements determining longitudinal relaxation times T1 instead of standard T2 measurements, and involves saturating a relatively wide sensitive region of the formation (10) and processing NMR echo signals which originate approximately from the center of the sensitive region.
9.WO/2001/009644CABLE FOR GEOPHYSICS (AND VARIANTS THEREOF) AND METHOD FOR THE EXPLORATION OF WELLS
WO - 08.02.2001
Int.Class G01V 1/52
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
40specially adapted for well-logging
52Structural details
 Appl.No PCT/RU2000/000076 Applicant KORZHENEVSKY, Arnold Gennadievich Inventor KORZHENEVSKY, Arnold Gennadievich
The invention relates to exploration of oil and gas wells. According to the invention, a special cable for geophysics containing one or several electrically isolated leads comprises a multilayer sheathing made from steel wire. Such a cable has a higher hardness and rupture strength but still has a required flexibility. It makes it possible to perform works in vertical or horizontal wells and to use pushing devices and sealing systems for wellheads.
10.WO/1996/022598OPTICALLY READABLE THIN FILM DIGITAL DATA STORAGE MEDIUM AND PLAYBACK ADAPTOR
WO - 25.07.1996
Int.Class G11B 23/00
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
23Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus
 Appl.No PCT/US1996/000662 Applicant CYBERWERKS INTERACTIVE, L.L.C. Inventor SMITH, Raymond, E.
An optically readable data storage medium (10) includes a thin film data carrier (16) fabricated from first and second juxtaposed plastic layers. A microembossed data surface is positioned within an interface zone and includes physically displaced surface elements which encode digital data. An adaptor (30) temporarily receives and supports the thin film data carrier (16) from below and includes a centrally located aperture geometrically compatible with a standard CD player spindle (42) to enable the adaptor (30) to be supported and rotated by the spindle (42). The adaptor (30) includes a refraction zone having an area and a location underlying the microembossed data surface to enable the light beam (34) from the light source (32) of the CD player to be focused onto the rotatable data surface.
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