Exxonmobil Research and Engineering Company

Kathleen E Edwards

Kuangnan Qian

Frank C Wang

Anthony S Mennito

Michael Siskin

Timothy Lee Hilbert

William Neergaard Olmstead

Michael B Carroll

Kendall S Fruchey

Roland Bernard Saeger

Larry Arthur Green

Lisa I-Ching Yeh

Tracie L Owens

Bryan E Hagee

Howard J Freund

Debra A Sysyn

Eric B Senzer

Rugved P Pathare

Camden N Henderson

Stephen B Jaffe

Gary J Dechert

Gary James Dechert

Larry A Green

Roland B Saeger

Compositions are provided for lubricant base stocks produced from feeds such as vacuum resid or other 510&#xb0; C.+ feeds. A feed can be deasphalted and then catalytically and/or solvent processed to form lubricant base stocks, including bright stocks that are resistant to haze formation.

Bright stock production from deasphalted oil

A method to determine the model-of-composition of a vacuum resid in which the resid is separated into fractions including the DAO fraction which is then separated into chemical classes including saturates, aromatics, sulfides and polars by a combination of soft ionization methods. The results of the ionization analysis are reconciled with other analysis such as bulk analysis, then consolidated to generate the modeol-of composition.

Generation of model of composition of petroleum by high resolution mass spectrometry and associated analytics

Petroleum or other hydrocarbon samples can be analyzed in parallel by 1) GC-field ionization Time of Flight Mass Spectrometer (GC-FI-TOF MS) and 2) two dimensional gas chromatography (2D-GC) equipped with a flame ionization detector (FID). The combined techniques allow for improved quantitative characterization of the compounds within a hydrocarbon sample. The techniques can be combined by correlating the 2D-GC FID data with the GC-FI-TOF MS data based on correlation of compound classes, correlation of retention windows within a compound class, correlation of individual compounds, such as paraffins, or a combination thereof.

Integrated hydrocarbon analysis

A method for the determination of the aromatic cores or building blocks of a vacuum resid by controlled fragmentation. Molecules can be generated from these building blocks.

Determination of cores or building blocks and reconstruction of parent molecules in heavy petroleums and other hydrocarbon resources

The present invention is a method to determine the TAN and TAN as a function of boiling point for a hydrocarbon feedstream using an electrospray ionization mass spectrometer (ESI-MS). The steps of the method include determining the signal as a function of mass from the ESI-MS while minimizing the formation of oligomers and fragmentation of the molecular species in the feedstream and then determining the TAN from the signals. The TAN is also determined as a function of boiling point.

Measurement of distributed total acid numbers by electrospray mass spectrometry

A method to quantify the conjugated dienes in a feedstream including the steps of dissolving 4-methyl-1,2,4-trazoline-3,5-dione (MTAD) in said feedstream, and determining the molar concentration of said conjugated dienes and/or the carbon number distribution of said conjugated dienes by GC/MS and GC/NCD (Nitrogen Chemiluminescence Detection).

Method to quantitatively analyze conjugated dienes in hydrocarbon feeds and products as an indicator of fouling potential

Growing community of inventors

Freehold, NJ, United States of America

Kathleen E Edwards