PATENT CLAIM ANALYSIS

Application Number: 15742222
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["166", "311000"]

Abstract:
Methods of breaking a filter cake in a wellbore may include circulating a breaker fluid into the wellbore, the breaker fluid having a (2-hydroxyethyl)ethylenediaminetriacetic acid (HEDTA) chelant, where the HEDTA chelant is used with divalent brine in the breaker fluid or in the filter cake.

Claim (Index 1):
A method comprising:\n circulating a pre-mixed wellbore fluid into the wellbore, the pre-mixed wellbore fluid comprising:\n a brine containing divalent cations; and \n a (2-hydroxyethyl)ethylenediaminetriacetic acid (HEDTA) chelant.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 86.0
- Lexical Diversity: 1.65625
- Patent Class: 166.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['13807679', '15400354', '13127290', '15352163', '14403928']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7982759749176773
- 35 USC 102 Novelty (BERT): 0.4897349124059972
- Combined Prediction Score: 0.7674218686665093
- Mean Citation Score: 250.923014
- Max Citation Score: 263.4317
- Similarity Product: 192.63704967738389

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