Average Co-Inventor Count = 4.71
ph-index = 4
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 (4 from 10,180 patents)
4 patents:
1. 7866708 - Joining tubular members
2. 7493959 - Joining tubular members
3. 7363974 - Gravel packing a well
4. 7147054 - Gravel packing a well