PATENT CLAIM ANALYSIS

Application Number: 15864716
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-11
Patent Classification: ["166", "192000"]

Abstract:
The present disclosure relates to a cementing plug comprising a first plug body (bottom plug), a second plug body (top plug), and a plurality of cleaning portions. The first plug body comprises: a first body provided therein with a chamber opening towards a lower end thereof, and an upper end of the first body being provided with a pressure portion; and an anti-rotation portion provided on an inner wall of the first body, and capable of being connected to slurry entering the chamber to limit a rotation of the first plug body. The second plug body comprises a second body. The plurality of cleaning portions is provided on outer sidewalls of the first body and the second body along a length direction thereof, for scraping off residuals (mud cake) on an inner wall of a casing.

Claim (Index 9):
The cementing plug according to  claim 8 , wherein the first reinforcing member is tubular, the number of the ribs is three, and the ribs are symmetrically provided with respect to an axial direction of the first reinforcing member.

Metadata:
- Claim Count in Document: 22.0
- Percentile: 86.0
- Lexical Diversity: 2.39062
- Patent Class: 166.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['14083021', '10714118', '15357732', '11611407', '11611431']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7951683655051863
- 35 USC 102 Novelty (BERT): 0.4873939031708469
- Combined Prediction Score: 0.7643909192717524
- Mean Citation Score: 176.528764
- Max Citation Score: 184.06822
- Similarity Product: 112.03702220569608

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