Average Co-Inventor Count = 3.75
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. Schlumberger Technology Corporation (2 from 10,181 patents)
2 patents:
1. 12146375 - Monitoring casing annulus
2. 10309165 - Sleeve for fitting around a spooling drum