PATENT CLAIM ANALYSIS

Application Number: 16075894
Application Type: Utility
Filing Date: 2018-08
Publication Date: 2019-03
Patent Classification: ["166", "292000"]

Abstract:
A well cementing composition that includes water, portland cement, a retarder and colloidal amorphous silica, present at a concentration between 0.2% and 1.0% by weight of cement. When added at such concentrations, the colloidal amorphous silica behaves as a retarder aid at bottomhole circulating temperatures exceeding 100° C. Methods for employing these compositions in well cementing operations are also disclosed.

Claim (Index 13):
The method of  claim 10 , wherein the cement slurry further comprises styrene-butadiene latex, or a copolymer of 2-acrylamido-2-methylpropane sulfonic acid (AMPS) and acrylamide, or a combination thereof.

Metadata:
- Claim Count in Document: 4.0
- Percentile: 96.0
- Lexical Diversity: 1.33333
- Patent Class: 166.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['13881709', '12632407', '10570377', '12091515', '12938429']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8269669485128687
- 35 USC 102 Novelty (BERT): 0.5174234720835539
- Combined Prediction Score: 0.7960126008699372
- Mean Citation Score: 298.5800040000001
- Max Citation Score: 349.8513
- Similarity Product: 247.74918931694623

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

Dataset: test