PATENT CLAIM ANALYSIS

Application Number: 15925039
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["166", "272300"]

Abstract:
The invention relates to a system and method for steam assisted gravity drainage of hydrocarbons having increased solvent recovery thus improving the economics of steam-only injection processes such as steam assisted gravity drainage while reducing environmental impact. Embodiments aid the condensation of solvent either by shutting-in or reducing the steam injection or by injecting a secondary lighter and cheaper solvent post solvent-steam co-injection, after which, normal steam injection at optimized operating conditions is restarted and continued until blow down while primary solvent recovery is continued, thus significantly accelerating and maximizing the recovery of solvent injected without affecting the long term cumulative bitumen production.

Claim (Index 18):
A system for recovery of solvent during steam-assisted gravity drainage hydrocarbon recovery, comprising:\n (a) an injection well and production well in fluid communication with said injection well; (b) a steam and primary solvent injected for a first period of time; (c) following said first period of time, a secondary solvent injected into said injection well for a second period of time; and (d) recovery of said primary solvent and said secondary solvent from said production well.

Metadata:
- Claim Count in Document: 26.0
- Percentile: 90.0
- Lexical Diversity: 1.47945
- Patent Class: 166.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['11050965', '12600951', '14594456', '14491517', '15356687']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.800076300416356
- 35 USC 102 Novelty (BERT): 0.4829854360928911
- Combined Prediction Score: 0.7683672139840095
- Mean Citation Score: 238.962596
- Max Citation Score: 247.51503
- Similarity Product: 185.15380365498487

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 0
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test