Exxonmobil Upstream Research Company

Exxon Production Research Company

Lonny R Kelley

Mark E Ehrhardt

Jeffrey William Frederick

Bruce T Kelley

Moses Minta

Ronald R Bowen

Eugene R Thomas

E Lawrence Kimble

James Ronald Rigby

Eric T Cole

Edward L Kimble

Jimmie G Galloway

Robert E Steele

Mukhtiar S Purewal

James P Johnston

Houston G Wood, Iii

Tracy A Fowler

Process components, containers, and pipes are provided that are constructed from ultra-high strength, low alloy steels containing less than 9 wt % nickel and having tensile strengths greater than 830 MPa (120 ksi) and DBTTs lower than about &minus;73&deg; C. (&minus;100&deg; F.).

Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids

A one-pass centrifuge separator for mixtures of two liquids which may also contain gas. The centrifuge uses separation zones on a rotor's inner wall to improve separation efficiency and minimize turbulent mixing. The zones consist of surface and interface vanes, and baffle plates to control flow at the fluid interface. The zones also retain an open concept to facilitate washing by cleaning fluids which are provided by nozzles installed on a stationary feedpipe mounted along the rotational axis of the centrifuge. A fluid accelerator gradually accelerates the fluid from the feedpipe to the inner wall of the rotor.

Flow enhanced one-pass centrifuge separator

This invention relates to a process for liquefying a pressurized gas stream rich in methane in which the liquefication of the gas stream occurs in a heat exchanger being cooled by a closed-loop multi-component refrigeration system to produce a methane-rich liquid product having a temperature above about -112.degree. C. (-170.degree. F.) and a pressure sufficient for the liquid product to be at or below its bubble point. The liquefied gas product is then introduced to a storage means at a temperature above about -112.degree. C. (-170.degree. F.).

Multi-component refrigeration process for liquefaction of natural gas

A centrifugal method and apparatus capable of separating a fluid stream composed of a plurality of components with differing specific gravities. The stream contemplated for separation is that of a producing oil well with components of oil, water, natural gas, and particulates. The method and apparatus use centrifugal forces to separate the gaseous, solid, and liquid components from each other. After separation is completed, detector and sensor arrangements are used to maintain liquid levels in the separator and to control the removal of the individual separated fluids from the apparatus.

Centrifuge processor and liquid level control system

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Houston, TX, United States of America

Lonny R Kelley