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1. (WO2007005321) FILTER SCREEN WITH MOLDED END CAP FOR OILFIELD SCREENS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/005321 International Application No.: PCT/US2006/024340
Publication Date: 11.01.2007 International Filing Date: 22.06.2006
IPC:
B07B 1/46 (2006.01) ,E21B 21/06 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
07
SEPARATING SOLIDS FROM SOLIDS; SORTING
B
SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
1
Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
46
Constructional details of screens in general; Cleaning or heating of screens
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
21
Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
06
Arrangements for treating drilling fluids outside the borehole
Applicants:
M-I L.L.C. [US/US]; 5950 North Course Drive Houston, TX 77072, US (AllExceptUS)
BARRETT, Robert, M. [US/US]; US (UsOnly)
CARR, Brian, S. [US/US]; US (UsOnly)
Inventors:
BARRETT, Robert, M.; US
CARR, Brian, S.; US
Agent:
BERGMAN, Jeffrey, S. ; Osha Liang LLP 1221 McKinney St., Suite 2800 Houston, TX 77010, US
Priority Data:
11/174,87505.07.2005US
Title (EN) FILTER SCREEN WITH MOLDED END CAP FOR OILFIELD SCREENS
(FR) COUVERCLE D'EXTREMITE MOULE POUR CRIBLES DE FLUIDES DE FORAGE
Abstract:
(EN) A filter screen (100) to be used in conjunction with a shale shaker in removing solid matter from drilling fluids includes a filter plate (102) having a plurality of perforations (108), a plurality of hold-down apertures (130), and a pair of end caps (132a, 132b) attached to the filter plate (102), wherein each end cap (132a, 132b) is configured to isolate the hold down apertures (130) from the plurality of perforations (108).
(FR) L'invention concerne un crible à plaque filtrante s'utilisant conjointement avec un tamis vibrant pour éliminer les matières solides de fluides de forage, et qui comprend une plaque filtrante comportant une pluralité de perforations, une pluralité d'ouvertures de retenue et deux couvercles d'extrémité fixés à la plaque filtrante, chaque couvercle d'extrémité étant conçu pour isoler les ouvertures de retenue de la pluralité des perforations.
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Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
NO20080541MXMX/a/2008/000061CN101218041CA2614115EA200800255