Average Co-Inventor Count = 10.00
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. China University of Petroleum (1 from 406 patents)
2. Research Institute of Exploration and Development, Shengli Oilfield Branch, Sinopec (1 from 1 patent)
1 patent:
1. 11702933 - Method for determining vertical well stratified fracturing crack lengths based on interlayer equilibrium displacement