PATENT CLAIM ANALYSIS

Application Number: 15758388
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["166", "241600"]

Abstract:
Casing string assemblies with a composite pre-milled window used in oil wells, as well as methods for producing them, are disclosed. The composite pre-milled window provides mechanical protection but is easily drillable or millable without the need to remove unwanted debris or internal sleeves, and is especially suitable for multilateral well technology.

Claim (Index 13):
A method of producing a casing, comprising:\n providing a tubular casing comprising:\n a wall having an outer surface; \n a central passage; and \n at least one pre-milled window located in the wall for receiving a cutting tool extending from the central passage; \n forming a covering over the pre-milled window and on the outer surface, the forming comprising:\n applying a first curable elastomeric rubber layer over the pre-milled window and at least a portion of the outer surface; \n applying a first nylon layer on the first elastomeric rubber layer; \n curing the first curable elastomeric rubber layer to form a first cured elastomeric rubber layer; \n applying a first aramid fiber layer.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 90.0
- Lexical Diversity: 1.23913
- Patent Class: 166.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['13878436', '12726717', '13416746', '13236987', '15292891']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7624366746175509
- 35 USC 102 Novelty (BERT): 0.4655328477108448
- Combined Prediction Score: 0.7327462919268803
- Mean Citation Score: 145.79093
- Max Citation Score: 153.39215
- Similarity Product: 106.0848352966964

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