PATENT CLAIM ANALYSIS

Application Number: 15898937
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-06
Patent Classification: ["166", "286000"]

Abstract:
The invention relates to the decommissioning of hydrocarbon wells. It concerns the artificial promoting or inducing of creep in the overburden formation  3  surrounding an oil well  1 , so that the formation rock  3  encroaches against the casing  5  to form a seal. This avoids the need to plug the annulus between the casing  5  and formation  3  with cement. The overburden may be caused to creep by reducing the pressure in the annulus, by applying heat to the overburden rock or by stressing the rock repeatedly to cause fatigue in the rock  3.

Claim (Index 2):
The process according to  claim 1  which comprises the step of substantially equalizing pressure between the annulus and the interior of the casing and/or placing the well in an underbalanced state, including the step of perforating or puncturing the casing in order to achieve said equalization of pressure between the annulus and the interior of the casing.

Metadata:
- Claim Count in Document: 21.0
- Percentile: 88.0
- Lexical Diversity: 1.72414
- Patent Class: 166.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15042814', '15300098', '11190166', '10372522', '12276790']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7779501810008658
- 35 USC 102 Novelty (BERT): 0.5031691957940666
- Combined Prediction Score: 0.7504720824801858
- Mean Citation Score: 180.494584
- Max Citation Score: 311.59244
- Similarity Product: 289.132889041605

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