System for drill string tallying, tracking and service factor me

Details System for drill string tallying, tracking and service factor me System for drill string tallying, tracking and service factor me

1991-11-18

1993-04-13

Eldred, J. Woodrow

Communications: electrical

Wellbore telemetering or control

175 40, 342 44, G01V 100

Patent

active

052026809

ABSTRACT:
A system for the automatic tallying of uniquely serialized drill string components from which well depth is determined, in hole component inventories are maintained, individual components are tracked through the well bore, component diameters are identified with respect to blowout preventer seal elevations and the determination and measurement of individual component down hole service factors with cumulative totalization in a computerized data base management system for these service factors for the purpose of better equalizing wear in order to obtain optimum life from drill strings.

REFERENCES:
patent: 4016967 (1977-12-01), Hall
patent: 4196418 (1980-04-01), Kip et al.
patent: 4202490 (1980-05-01), Gunkel
patent: 4468959 (1984-09-01), Roberts
patent: 4578991 (1986-04-01), Nowlin
patent: 4698631 (1987-10-01), Kelly
IADC/SPE paper #17210, "Drillstring Identification to Reduce Drillsring Failures" by G. D. Nijen Twilhaar, Feb. 1988.
Den-Con Tool Co. Sales Brochures, 3 Sheets, Copyright 1991, 1992.

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