PATENT CLAIM ANALYSIS

Application Number: 15864203
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-08
Patent Classification: ["166", "291000"]

Abstract:
An improved method and apparatus for dropping a ball, plug or dart during oil and gas well operations (e.g., cementing operations) employs a specially configured valving member with curved and flat portions that alternatively direct fluid flow through a bore or opening in the valving member via an inner channel or around the periphery of the valving member in an outer channel. In one embodiment, the ball(s), dart(s) or plug(s) are contained in a sliding sleeve that shifts position responsive to valve rotation. An optional indicator indicates to a user or operator that a ball or plug has passed a selected one of the valving members.

Claim (Index 12):
The dart and plug dropping head of  claim 11 , wherein the housing has a diameter and each casing plug has a diameter that is larger than the housing diameter.

Metadata:
- Claim Count in Document: 71.0
- Percentile: 86.0
- Lexical Diversity: 1.69863
- Patent Class: 166.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15205881', '13603144', '12548577', '14149243', '12956331']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8414879292166384
- 35 USC 102 Novelty (BERT): 0.5684855403670884
- Combined Prediction Score: 0.8141876903316835
- Mean Citation Score: 447.904634
- Max Citation Score: 453.79532
- Similarity Product: 450.9237362910104

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

Dataset: test