PATENT CLAIM ANALYSIS

Application Number: 15908957
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-09
Patent Classification: ["175", "072000"]

Abstract:
A method of drilling a subterranean geological formation having a permeability of no more than 0.1 mD with a drilling fluid comprising a continuous phase, a viscosifier, a weighting agent, and sodium silicate, wherein the sodium silicate is present in the drilling fluid at a concentration of 0.01-0.2% by weight, relative to the total weight of the drilling fluid. Various combinations of embodiments of the drilling fluid and the method of drilling the subterranean geological formation are provided.

Claim (Index 1):
A method of drilling a subterranean geological formation with a permeability of no more than 0.1 millidarcy, the method comprising:\n drilling the subterranean geological formation to form a wellbore therein; and circulating a drilling fluid in the wellbore, wherein the drilling fluid comprises:\n a continuous phase selected from the group consisting of a water-based fluid and an oil-based fluid, \n a viscosifier, \n a weighting agent, and \n sodium silicate, which is present in the drilling fluid at a concentration of 0.01-0.2% by weight, relative to the total weight of the drilling fluid, \n wherein the drilling fluid does not contain a retarder; and \n wherein during the circulating a filter cake comprising the weighting agent is formed on a wall of the wellbore.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 90.0
- Lexical Diversity: 1.82979
- Patent Class: 175.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15397494', '15724809', '15459460', '15882318', '15882245']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.719718088023805
- 35 USC 102 Novelty (BERT): 0.5134351949586993
- Combined Prediction Score: 0.6990897987172944
- Mean Citation Score: 303.53239799999994
- Max Citation Score: 363.78568
- Similarity Product: 264.0959397628975

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

Dataset: test