1
Richard C Stell, Arthur R Di Nicolantonio, George Stephens, James M Frye: Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid. ExxonMobil Chemical Patents, December 25, 2007: US07311746 (32 worldwide citation)

A highly efficient vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a substantially cylindrical vertical drum having an upper cap section, a middle section comprising a circular wall, a lower cap section, a tangential inlet to introdu ...


2
Richard C Stell, Arthur R Di Nicolantonio, James M Frye, Subramanian Annamalai, Nicholas G Vidonic: Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids. ExxonMobil Chemical Patents, July 17, 2007: US07244871 (14 worldwide citation)

A process for decoking of a process that cracks hydrocarbon feedstock containing resid and coke precursors, wherein steam is added to the feedstock to form a mixture which is thereafter separated into a vapor phase and a liquid phase by flashing in a flash/separation vessel, separating and cracking ...


3
Arthur R Di Nicolantonio, David B Spicer, Victor K Wei: Pyrolysis furnace with an internally finned U shaped radiant coil. ExxonMobil Chemical Patents, James A Zboray, July 16, 2002: US06419885 (11 worldwide citation)

The present invention is directed towards a fired heater for heating a process fluid that uses U tubes provided with increased internal heat transfer surface to reduce tube metal temperatures and coking and at the same time is not prone to plugging from coke. The fired heater comprises a radiant sec ...


4
Arthur R Di Nicolantonio, David B Spicer, Victor K Wei: Process for the manufacture of olefins by a pyrolysis furnace with an internally finned U shaped radiant coil. ExxonMobil Chemical Patents, April 13, 2004: US06719953 (11 worldwide citation)

The present invention is directed towards a fired heater for heating a process fluid that uses U tubes provided with increased internal heat transfer surface to reduce tube metal temperatures and coking. and at the same time is not prone to plugging from coke. The fired heater comprises a radiant se ...


5
James N McCoy, Arthur R Di Nicolantonio, James M Frye, Melissa D Stapleton, Richard C Stell: Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter. ExxonMobil Chemical Patents, July 22, 2008: US07402237 (6 worldwide citation)

A process for cracking a hydrocarbon feedstock containing salt and/or particulate matter, wherein said hydrocarbon feedstock containing salt and/or particulate matter is heated, then separated into a vapor phase and a liquid phase by flashing in a flash/separation vessel, separating and cracking the ...


6
Richard C Stell, Arthur R Di Nicolantonio, George Stephens, James M Frye: Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid. ExxonMobil Chemical Patents, Rick F James, September 23, 2008: US07427381 (4 worldwide citation)

A highly efficient vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a substantially cylindrical vertical drum having an upper cap section, a middle section comprising a circular wall, a lower cap section, a tangential inlet to introdu ...


7
Richard C Stell, Arthur R Di Nicolantonio, James M Frye, Subramanian Annamalai, Nicholas G Vidonic: Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids. ExxonMobil Chemical Patents, March 2, 2010: US07670573 (3 worldwide citation)

A process for decoking of a process that cracks hydrocarbon feedstock containing resid and coke precursors, wherein steam is added to the feedstock to form a mixture which is thereafter separated into a vapor phase and a liquid phase by flashing in a flash/separation vessel, separating and cracking ...


8
James N McCoy, Arthur R Di Nicolantonio, Blair H Margot, Subramanian Annamalai, Stephen J Vande Stouwe: Apparatus and method of cleaning a transfer line heat exchanger tube. ExxonMobil Chemical Patents, August 16, 2011: US07998281 (2 worldwide citation)

An apparatus for on-line cleaning and maintaining the cleanliness of a transfer line exchanger tube is provided. In one embodiment, the apparatus includes a housing having a first end, a second end and a longitudinal axis, the housing further including a first inlet for introducing a flushing fluid ...


9
S Mark Davis, Richard C Stell, Jiunn Shyan Liou, Stephen H Brown, Paul F Keusenkothen, Arthur R Di Nicolantonio, John J Waldrop: Integrated process for steam cracking. ExxonMobil Chemical Patents, May 3, 2016: US09327260

This invention relates to a process and system for cracking hydrocarbon feedstock containing vacuum resid comprising: (a) subjecting a vacuum resid to a first thermal conversion in a thermal conversion reactor (such as delayed coker, fluid coker, Flexicoker™, visbreaker and catalytic hydrovisbreaker ...


10
Richard C Stell, Megan Renstrom Bleckinger, James N McCoy, Arthur R Di Nicolantonio: Apparatus and process for cracking hydrocarbonaceous feed utilizing a pre-quenching oil containing crackable components. ExxonMobil Chemical Patents, February 21, 2012: US08118996

An apparatus and process are provided for cracking hydrocarbons. Hot, cracked effluent is removed to a quench header where it is pre-quenched with an oil containing crackable components, e.g., 1000° F.+ (538° C.+) boiling range bottoms taken from a vapor/liquid separator, cracking the bottoms to mor ...