PATENT CLAIM ANALYSIS

Application Number: 15873053
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2019-07
Patent Classification: ["106", "709000"]

Abstract:
Cement slurries are provided for use in cementing oil and gas wells. The cement slurry comprises API Class C or Class H Portland cement and a pozzolan selected from the group consisting of pumice and mixtures of pumice and fly ash. Pumice is present in the mixtures in amounts at least about 40 wt % of the pozzolan. The weight ratio of the pozzolan to the cement is from about 35:65 to about 70:30. The novel cement slurries preferably will not comprise any additional lime, including hydrated lime, or other activators.

Claim (Index 9):
The cement slurry of  claim 1 , wherein said pozzolan has an average particle size from about 5 to about 10 \u03bcm.

Metadata:
- Claim Count in Document: 59.0
- Percentile: 86.0
- Lexical Diversity: 1.55556
- Patent Class: 106.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['12256081', '12844612', '11711574', '15671907', '12609993']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.747020134753082
- 35 USC 102 Novelty (BERT): 0.5225886159748043
- Combined Prediction Score: 0.7245769828752543
- Mean Citation Score: 295.149938
- Max Citation Score: 312.08728
- Similarity Product: 211.99293089621068

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