PATENT CLAIM ANALYSIS

Application Number: 15755094
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["175", "005000"]

Abstract:
A method of operating a drilling system. The drilling system includes a drill string extending into a wellbore, a driver which rotates the drill string, a pump to pump drilling fluid down the drill string, a wellhead mounted at the wellbore, a riser extending up from the wellhead around the drill string, a blowout preventer mounted on the wellhead, a riser closure device mounted in the riser, a first return conduit, and a flow outlet arranged in the riser below the riser closure device. The method includes operating the driver to stop a rotation of the drill string, closing the riser closure device if it is not already closed, operating the pump to stop a pumping of drilling fluid down the drill string, closing the blowout preventer, and increasing a wellbore pressure by controlling a rate of the flow of the fluid along the first return conduit.

Claim (Index 54):
The method as recited in  claim 49 , wherein step i) is performed after performing step c).

Metadata:
- Claim Count in Document: 91.0
- Percentile: 88.0
- Lexical Diversity: 2.65574
- Patent Class: 175.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['14170666', '12936254', '15294798', '14872753', '14950122']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7908069414749469
- 35 USC 102 Novelty (BERT): 0.5215237313014676
- Combined Prediction Score: 0.763878620457599
- Mean Citation Score: 414.903062
- Max Citation Score: 440.86136
- Similarity Product: 198.57438639538287

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