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Crude Oil Emulsions

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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 29–October 2, 2002
Paper Number: SPE-77329-MS
... in the lab may also be not indicative of true in-situ viscosities. An alternate method is required for predicting oil viscosity, especially if this method can be applied in-situ. Stable crude oil emulsions are prevalent in many stages of the production and transport of heavy oil and bitumen. Knowledge...
Proceedings Papers

Paper presented at the OTC Brasil, October 27–29, 2015
Paper Number: OTC-26242-MS
...OTC-26242-MS Rheological and Thermal Behavior of Water-Waxy Crude Oil Emulsions and Model Oil Systems T. O. Marinho, M. N. de Souza, and C. N. Barbato, EQ/UFRJ; M. C. Khalil de Oliveira, CENPES/Petrobras Copyright 2015, Offshore Technology Conference This paper was prepared for presentation...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-20244-Abstract
... The formation of crude oil emulsion is a serious challenge in the petroleum industry as it can corrode upstream equipment and also cause catalyst poisoning in the downstream. Thus, efficient and effective water removal from the emulsion becomes very necessary while substantial water removal...
Proceedings Papers

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28204-MS
... Abstract Emulsions are formed during crude oil production due to the presence of natural surfactants and brine in the petroleum fluids. In addition, turbulence wich the produced fluids are subjected to, either initiated by differential pressure in the drawdown region near the wellbore...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, July 31–August 2, 2017
Paper Number: SPE-189065-MS
... Abstract Water-in-crude oil emulsions are formed as a result of high shear stresses at the flow restrictions such as choke valves and the wellhead during crude oil transport with produced water. Consequently, the produced water disperses in the crude oil forming droplets that are stabilized...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182326-MS
... emulsion. As discussed earlier, emulsions are held together by films of surfactant material present in crude oil. When flowed, this film creates friction around the droplets between the dispersed phase and the film as well as the continuous phase and the film. It is this additional interfacial...
Proceedings Papers

Paper presented at the SPE Middle East Oil & Gas Show and Conference, March 8–11, 2015
Paper Number: SPE-172732-MS
... Abstract This paper presents an experimental study on how to characterize the heavy crude oil emulsion necessary for the development of design basis. Heavy crude oil emulsions (as oil-in-water or water-in-oil) are generated through the production system starting from well bottom pump, gathering...
Proceedings Papers

Paper presented at the SPE Heavy and Extra Heavy Oil Conference: Latin America, September 24–26, 2014
Paper Number: SPE-171140-MS
... in formation of water-in-crude oil emulsions. Emulsions of water-in-crude oil or brine-in-crude oil could form either in the reservoir, near the wellbore or in downhole and surface facilities during the wellbore construction or during the production of the wells. In addition to the natural components...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 20–22, 2008
Paper Number: SPE-115222-MS
... Abstract SCOMI Energy in cooperation with PETRONAS Carigali Miri Crude Oil Terminal (MCOT) implemented a pilot project to demonstrate the effectiveness, technical and economical, of the emulsion treatment technology known as X-O-T for emulsion resolution and crude oil recovery. A typical...
Journal Articles
SPE Prod & Oper 20 (01): 5–13.
Paper Number: SPE-77497-PA
Published: 01 February 2005
...Sunil Lalchand Kokal Summary The formation of emulsions during oil production is a costly problem, both in terms of chemicals used and production lost. This paper discusses production and operational problems related to crude-oil emulsions and presents a review that will be useful for practicing...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 2003
Paper Number: SPE-84610-MS
... Abstract Crude oil emulsions are highly complex mixtures that can be stabilized by a number of naturally occurring species and conditions (e.g. asphaltenes, resins, acids, solids, solvency, viscosity, temperature, etc.). Emulsion resolution is often accomplished using chemicals. Optimization...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 29–October 2, 2002
Paper Number: SPE-77497-MS
... water droplet upstream oil & gas spe 77497 asphaltene emulsion stability droplet chemical treatment viscosity demulsification bottle test interfacial film rock/fluid interaction crude oil emulsion concentration separation crude oil oilfield chemistry coalescence emulsion...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 13–16, 2001
Paper Number: SPE-65012-MS
... Abstract Dynamic interfacial tension is one of several key factors relevant to the stability of crude oil emulsions. Studies of dynamic interfacial tension behavior associated with the demulsification of crude oil emulsions can have a great impact on the development of crude oil...
Journal Articles
J Pet Technol 50 (11): 60–61.
Paper Number: SPE-1198-0060-JPT
Published: 01 November 1998
..._ JPT staff This article is a synopsis of paper SPE 39444, "Eliminate Formation Damage Caused by High-Density Completion-Fluid/Crude-Oil Emulsion," by William E. Foxenberg, SPE, Osca Inc.; Syed A. Ali, SPE, Chevron U.S.A. Production Co.; Minglie Ke, SPE, Osca Inc.; David C. Shelby, SPE, Chevron...
Journal Articles
J Can Pet Technol 37 (01).
Paper Number: PETSOC-98-01-08
Published: 01 January 1998
...R.J. Sumner; K.B. Hill; C.A. Shook Using a 53 mm test pipeline, emulsions containing up to 67% Lloydminster heavy crude oil in water have been transported in laminar and turbulent flow. Pressure drops, droplet size distributions, viscometry and velocity distribution measurements were made...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 1997
Paper Number: SPE-38817-MS
... for maintaining oil production throughout Saudi Arabia. Oil produced varies from Arab Heavy (API 27) through to Arab Super Light (API 51). This paper deals with emulsions encountered during the production of Arab Light (AL - API 31–33) The wet crude is processed through Wet Crude Handling Facilities (WCHF's...
Proceedings Papers

Paper presented at the International Symposium on Oilfield Chemistry, February 18–21, 1997
Paper Number: SPE-37289-MS
...-in-oil emulsion. The laboratory investigation was carried out in order to study the mechanism of possible generation of emulsion downhole as a result of mixing the mud filtrate and formation water with crude oil in near wellbore zone. Numerous variables were tested to evaluate their implications...
Proceedings Papers

Paper presented at the Technical Meeting / Petroleum Conference of The South Saskatchewan Section, October 6–8, 1992
Paper Number: PETSOC-SS-92-1
... Abstract Using a 53 mm test pipeline, emulsions containing up to 67% Lloydminster heavy crude oil in water hare been transported in laminar and turbulent flow. In combination with viscometry and velocity distribution measurements, the experiments showed that a homogeneous model was appropriate...
Proceedings Papers

Paper presented at the European Offshore Technology Conference and Exhibition, October 21–24, 1980
Paper Number: SPE-191-1980-MS
... ABSTRACT A conventional method of treating produced crude oil emulsions is bydemulsifier injection; these demulsifiers are usually selected for specific crude oils using the well-known bottle test. It is the purpose of this paper to discuss a physicochemical aspect of the bottle test procedure...
Proceedings Papers

Paper presented at the Drilling and Production Practice, January 1, 1942
Paper Number: API-42-148
... of handling large volumes of fluid with relatively small volumes of oil. There is little information in the literature regarding the viscosities of crude-oil emulsions. Almost all oil-company laboratories are equipped to determine clean-oil viscosities, and these data are usually available. Data...

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