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1. (WO2018099959) DRILL BITS
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.:    WO/2018/099959    International Application No.:    PCT/EP2017/080802
Publication Date: 07.06.2018 International Filing Date: 29.11.2017
IPC:
E21B 10/36 (2006.01), E21B 10/56 (2006.01)
Applicants: MINCON INTERNATIONAL LIMITED [IE/IE]; Smithstown Industrial Estate Shannon, Co. Clare (IE)
Inventors: KOSOVICH, John; (IE)
Agent: TOMKINS & CO; 5 Dartmouth Road Dublin, 6 (IE)
Priority Data:
1620220.2 29.11.2016 GB
Title (EN) DRILL BITS
(FR) TRÉPANS
Abstract: front page image
(EN)A multi-indenter drill bit comprising a plurality of indenters arranged on a drilling surface of a bit face, the ratio of the total indenter area to the bit face area being defined by a parameter KPI 1 (expressed as a percentage); the ratio of the average individual indenter area to the bit face area being defined by a parameter KPI 2, (expressed as a percentage) and wherein the relationship between KPI 1 and KPI 2 is defined by an equation.
(FR)L'invention concerne un trépan à pénétrateurs multiples comprenant une pluralité de pénétrateurs agencés sur une surface de forage d'une face de trépan, le rapport de la surface de pénétrateur totale sur la surface de la face de trépan étant défini par un paramètre KPI 1 (exprimé en pourcentage) ; le rapport de la surface de pénétrateur individuelle moyenne sur la surface de la face de trépan étant défini par un paramètre KPI 2, (exprimé en pourcentage), et la relation entre KPI 1 et KPI 2 étant définie par une équation.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)