PATENT CLAIM ANALYSIS

Application Number: 16296772
Application Type: Utility
Filing Date: 2019-03
Publication Date: 2019-09
Patent Classification: ["166", "373000"]

Abstract:
A method and apparatus according to which at least part of a wellhead is fluidically isolated from excessive pressures, temperatures, and/or flow rates during a wellbore operation using an isolation head, the isolation head including an isolation spool and an isolation sleeve.

Claim (Index 15):
The method of  claim 14 , further comprising:\n before moving the isolation sleeve relative to the isolation spool, equalizing the first and second fluid pressures acting axially on the upper and lower packoff assemblies, respectively, to facilitate movement of the isolation sleeve relative to the isolation spool.

Metadata:
- Claim Count in Document: 23.0
- Percentile: 99.0
- Lexical Diversity: 1.27778
- Patent Class: 166.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['13341703', '15238019', '14859665', '12617430', '11867086']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7986690546744524
- 35 USC 102 Novelty (BERT): 0.4911785785321487
- Combined Prediction Score: 0.767920007060222
- Mean Citation Score: 247.563762
- Max Citation Score: 259.09726
- Similarity Product: 181.3006993564892

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test