Patent Number: 8,584,513

Title: Systems and methods for evaluating asphaltene deposition inhibitors

Abstract: Disclosed are methods of determining the effectiveness of an asphaltene deposition inhibitor in oilfield applications. Such methods typically comprising the steps of introducing an oil well fluid into a microfluidic/millifluidic system; introducing a mixture of an asphaltene deposition inhibitor and carrier into the microfluidic/millifluidic system; introducing a precipitating agent, typically comprising heptane, into the microfluidic/millifluidic system; and optionally introducing toluene into the microfluidic/millifluidic system; then observing the presence or absence of asphaltene aggregation within the microfluidic/millifluidic system.

Inventors: Hough; Lawrence A. (Philadelphia, PA), Castaing; Jean-Christophe (Burlington, NJ), Woodward; Gary (Northwich Cheshire, GB), Pabalan; Ruela Talingting (Burlington, NJ), De Campo; Floryan (Shanghai, CN)

Assignee: Rhodia Operations

International Classification: G01N 33/26 (20060101)

Expiration Date: 1/19/12018