Baker Hughes Corporation

Freudenberg Oil & Gas, LLC

James Kevyn Smith

Keith Anderson

C Mitch Means

Thomas H Lopez

Patrick Rawls

Ian Smitham

Nagarjuna Jillella

Sebastian Ospina

An annular dual barrier seal includes a pair of axially extending inner seal lips and a pair of axially extending outer seal lips, the pair of inner seal lips are connected to the pair of outer seal lips by a radially outwardly extending web portion. The pair of inner seal lips extend axially by a first dimension and the pair of outer seal lips extend axially by a second dimension which is greater than the first dimension. The pair of inner seal lips have a sealing surface that is one of partially toroidal and partially elliptical and that engage the radially inwardly facing first sealing surface and the pair of outer seal lips have a sealing surface that is one of partially toroidal, partially elliptical and conical.

Dual barrier seal

Real time determination of the presence of emulsion in a formation fluid is accomplished using an optical probe, preferably an attenuated total reflectance probe. The determination can then be used to appropriately increase, decrease or leave unchanged the use of demulsification additives or other means to control emulsion formation. The method is particularly useful for free water knock-out separations, where a plurality of probes can be used to distinguish the location and/or volume of emulsion, or 'rag', layer and thereby to facilitate decantation of relatively pure oil and water fractions. It can also be effectively used in pipelines, and can optionally determine the degree of emulsification and trends toward emulsification or demulsification.

Real-time on-line sensing and control of emulsions in formation fluids

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Houston, TX, United States of America

James Kevyn Smith