Average Co-Inventor Count = 3.00
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. Schlumberger Technology Corporation (2 from 10,180 patents)
2 patents:
1. 5642051 - Method and apparatus for surveying and monitoring a reservoir penetrated
2. 5467823 - Methods and apparatus for long term monitoring of reservoirs