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Flocculants

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Proceedings Papers

Paper presented at the SPE Formation Damage Control Symposium, February 7–10, 1994
Paper Number: SPE-27408-MS
... that more effective displacement can be achieved by adding to the circulating fluid a polymeric flocculant instead of the commonly used surfactants. A laboratory investigation was undertaken to understand the fundamental mechanism governing well bore clean-up. Its conclusions are as follows: under...
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Evidence that the <b>flocculants</b> generated as the flowback water pH (alkaline ...
Published: 07 July 2015
Figure 11 Evidence that the flocculants generated as the flowback water pH (alkaline range pH for borate system) was changed. More
Journal Articles
Journal: SPE Journal
SPE J. 26 (05): 3188–3204.
Paper Number: SPE-206709-PA
Published: 13 October 2021
... ( Elturki and Imqam 2020b ). Maroudas (1966) concluded that particles that have a size greater than one-third of pores sizes would block the pores and throats. When asphaltene particles are destabilized in solution, asphaltene flocculation occurs and can cause severe problems. Moradi et al. (2012b...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205821-MS
... In this paper, the layout is as follows: basic concepts are put forward in Section 2 . In Section 3 and Section 4 , the existence and uniqueness of globally positive equilibrium and the existence of positive T - periodic solution of a stochastic microorganism flocculation model...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-449
... ABSTRACT To assess the flocculation and sedimentation processes of highconcentrated mud suspensions, the settling experiments of fluid mud-like slurries with different salinities were carried out in the settling columns. The results showed that with the increase addition of salinity...
Proceedings Papers

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28204-MS
... the selection of the desired demulsifier for breaking the water-in-oil emulsion very challenging. The use of the right treater, also known as dryer or flocculating agent, is paramount in order to achieve the requirements such as less than 1% BS&amp;W. On the other hand, the standard procedure in the Oil and Gas...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186956-MS
... at several pressure depletion steps and different temperatures with and without CO 2 injection. This would help to evaluate the kinetics of asphaltene flocculation resulting from CO 2 injection or pressure drop due to natural depletion. The results reveal that the amount of asphaltene deposition increases...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-453
... ABSTRACT To study the characteristics of non-equilibrium flocculation process of cohesive sediment, a semi-empirical flocculation model is incorporated into a two-phase model. The model is validated using two data sets of the experiments conducted in a vertical settling column under grid...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185558-MS
... During EOR recovery processes, asphaltenes macromolecules can flocculate and cause drastic changes in the petrophysical properties of the reservoir, therefore it is very important to determine the time at the flocculation begins and further the size of the aggregates, since ultimately this depends...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Heavy and Extra Heavy Oil Conference, October 19–20, 2016
Paper Number: SPE-181165-MS
... the significance of major parameters on performance of wells in temperature-dependent asphaltene precipitation and irreversible flocculation. Temperature-dependent asphaltene precipitation and irreversible flocculation are modelled where no precipitation occurs at the original reservoir temperature...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-539
... Abstract This work suggests an alternative approach, the use of an artificial neural network (ANN), for investigation of cohesive sediment flocculation under different flow conditions. The ANN technique provides a powerful utility for input-output mapping if there is sufficient data. A feed...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179525-MS
... Abstract Research has discovered systems that can selectively flocculate mineral solids from a high molecular weight polymer flood matrix while leaving the polymer intact or alternatively achieving a viable total flocculation of the polymer in the produced fluids. Modified alkaline surfactant...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178892-MS
... Abstract The main objective of using selective flocculation is to increase the efficiency of the fluid system and the solids-control equipment. Removing drill cuttings from the fluid system is important for increasing the drilling efficiency and success of the overall operation. Selective...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 6–9, 2015
Paper Number: IPTC-18473-MS
... to the wellbore and to the surface and, hence, leads to production loss. The remedial measures for asphaltenes deposition, however, cost money and time. The aim of the study presented in this paper was to experimentally investigate the role of ultrasonic wave technology as an asphaltenes flocculation inhibitor...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, April 16–18, 2012
Paper Number: SPE-153643-MS
.... Experiments with several samples of produced water from South America offshore platforms have been performed. These experiments were designed to find efficacy of treatment strategies using a combination of oxidation, coagulation and flocculation methods. Experiments were conducted at various pH values (6 – 9...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 11–13, 2011
Paper Number: SPE-140965-MS
... produced water discharge hydrolysis degree intrinsic viscosity water treatment acrylamide reaction temperature spe 140965 starch waste management amphoteric product concentration application flocculant hydroxymethyldimethylamine synthesis hydrolytic agent concentration reaction molar ratio...
Proceedings Papers

Paper presented at the Trinidad and Tobago Energy Resources Conference, June 27–30, 2010
Paper Number: SPE-132680-MS
.... ( Figure 8 ) Oven, ( Figure 9 ) n-C8, to precipitate and flocculate asphaltene. ( Figure 10 ) The laboratory apparatus used in this research work is designed to isolate the effect of asphaltene deposition on core samples through several dynamic displacement tests. This section describes: (1...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-129583-MS
... permeability decline due to asphaltene deposition. The model considers the second stage (if separated into liquid phase precipitation and pore surface deposition) of asphaltene deposition in which n-hexane used to flocculate asphaltene particles in order to determine the effect of deposition on sandstone rock...
Proceedings Papers

Paper presented at the SPE Russian Oil and Gas Technical Conference and Exhibition, October 28–30, 2008
Paper Number: SPE-114852-MS
..., and logistically acceptable water-based mud (WBM). This has resulted in the introduction of a new generation of freshwater-based high-performance drilling fluids (Stawaisz et al. 2002). These fluids rely on polymers for clay flocculation instead of KCl. The use of a flocculating high-performance water-based fluid...
Journal Articles
SPE Prod & Oper 22 (03): 277–284.
Paper Number: SPE-112782-PA
Published: 19 August 2007
... and Buckley 2001 ; Wang et al. 2003 , 2004 ; Leontaritis 1998 ) to explain the field data. None of the models has been found comprehensive enough to explain flocculation at all the conditions, including the flocculation that occurs at ambient conditions in the presence of paraffinic diluents; stability...

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