Average Co-Inventor Count = 4.80
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Societe Nationale Elf Aquitaine (production) (1 from 215 patents)
2. Total (1 from 14 patents)
3. Elf Aquitance Production (1 from 1 patent)
2 patents:
1. 6101446 - Method for charting drillable zones in an oilfield avoiding anomaly zones
2. 5259958 - Hydrocarbon extractor