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 2):
The cementing plug according to  claim 1 , wherein the first protuberance is provided along a peripheral direction in a ring shape; and\n the second protuberances are plural and provided along the peripheral direction at intervals.

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): 0.7964915927956324
- 35 USC 102 Novelty (BERT): 0.4794874465797289
- Combined Prediction Score: 0.7647911781740422
- Mean Citation Score: 176.528764
- Max Citation Score: 184.06822
- Similarity Product: 122.02057311288831

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