PATENT CLAIM ANALYSIS

Application Number: 16229259
Application Type: Utility
Filing Date: 2018-12
Publication Date: 2019-04
Patent Classification: ["208", "106000"]

Abstract:
A Flexicoking™ unit which retains the capability of converting heavy oil feeds to lower boiling liquid hydrocarbon products while making a fuel gas from rejected coke to provide only a minimal coke yield. The heater section of the conventional three section unit (reactor, heater, gasifier) is eliminated and all or a portion of the cold coke from the reactor is passed directly to the gasifier which is modified by the installation of separators to remove coke particles from the product gas which is taken out of the gasifier for ultization. In one embodiment, a portion of cold coke is transferred directly from the reactor to the gasifier, and another portion of cold coke is combined with hot, partly gasified coke particles transferred directly from the gasifier to the reactor. The hot coke from the gasifier is passed directly to the coking zone of the reactor to supply heat to support the endothermic cracking reactions and supply seed nuclei for the formation of coke in the reactor. Coke is withdrawn from the gasifier to remove excess coke and to purge the system of metals and ash.

Claim (Index 1):
A coking process for converting a heavy hydrocarbon feedstock to lower boiling products in a fluid coking process unit comprised of a fluid coking reactor and a gasifier, comprising:\n (i) introducing the heavy hydrocarbon feedstock into the coking zone of a fluid coking reactor containing a fluidized bed of solid particles maintained at coking temperatures to produce a vapor phase product including normally liquid hydrocarbons, while coke is deposited on the solid particles forming cold coke to be transferred; (ii) transferring the cold coke by passing a first portion of the cold coke directly to the gasifier, (iii) contacting the cold coke in the gasifier with steam and an oxygen-containing gas in an oxygen limited atmosphere at an elevated temperature of about 850 to 1000\u00b0 C. and at a pressure of from about 0 to 1000 kPag to heat the cold coke into hot coke and form a fuel gas product comprising carbon monoxide and hydrogen, wherein the gasifier comprises a gasification vessel having an internal cyclone and/or an internal sintered porous metal or ceramic solids/gas filter, to separate hot coke in the gasifier from the fuel gas product, (iv) recycling the hot coke directly from the gasifier to the coking zone, with no intervening reaction vessel, to supply heat to the coking zone, and (v) combining a second portion of the cold coke formed in step (i) with the hot coke formed in step (iii) prior to being recycled to the coking zone.

Metadata:
- Claim Count in Document: 15.0
- Percentile: 98.0
- Lexical Diversity: 2.18889
- Patent Class: 208.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15812396', '15812340', '13029608', '14185243', '13723591']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7792317972831253
- 35 USC 102 Novelty (BERT): 0.5595867297432177
- Combined Prediction Score: 0.7572672905291346
- Mean Citation Score: 385.61752
- Max Citation Score: 414.41232
- Similarity Product: 328.5297638352585

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test