Average Co-Inventor Count = 2.86
ph-index = 2
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. Shell Oil Comapny (2 from 7,646 patents)
2 patents:
1. 4716965 - Installing casing with improved casing/cement bonding
2. 4061191 - Method for gaseous sand consolidation treatment of weak gas sands