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Keywords: surfactant
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Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21456-MS
... emulsions while surfactant play a major role in enhancing the emulsifying dispersion. The wettability of solid particles was one of the most important factors that affects the stability of emulsions. Partial hydrophobic nanoparticles were much easier to form stable emulsions than hydrophilic nanoparticles...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21810-MS
... Abstract This paper is dedicated to the selection of the most effective way of mitigating surfactant adsorption in chemical EOR flooding. Mitigation strategies based on either water treatment or adsorption inhibitors were benchmarked for a sea water injection brine, on both performances and...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21305-MS
... considerations. machine learning upstream oil & gas surrogate component crude oil artificial intelligence eacn acid pvt measurement enhanced recovery molecule linear alkane alkane study field digital oil model equivalent alkane carbon number surfactant international petroleum technology...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21381-MS
... were performed, viz., (i) an Aqueous Stability Test (AST), (ii) and a Foamability and Foam Stability Tests (FT/FST). This step aims to generate a stable foam (i.e., surfactant aqueous solution + gas) in the absence and presence of crude oil with different TAN (Total Acid Number) and TBN (Total Base...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21351-MS
... Abstract EOR surfactants are usually formulated at the initial reservoir temperature. Is this a correct approach? Field data from three Single-Well Chemical Tracer pilots in North Africa are used to answer this question. The objectives are, first, to provide a realistic image of the temperature...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21437-MS
... Abstract Successful Wellbore Clean Up (WBCU) operation is one of the key aspects in delivering a high productivity well. Conventionally, in this phase, a series of surfactant and solvent pill is circulated downhole to "clean" the well. Poor job execution at this stage usually will result to...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21163-MS
... (OIW) and Oil-in-Sand (OIS) content according to the local regulations and requirements for offshore disposal. In the lab-scale screening, the best performing deoiling chemical for oil removal from the sand was achieved using novel chemical formulations containing surfactants with higher water affinity...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19601-MS
... Viscoelastic surfactants (VES) have been successfully applied as acid-diversion fluids. However, high temperature, interaction of VES and metallic cations, alcohol-based additives, and chelating agents all interfere with the apparent viscosity of the VES-based acid and reduce its efficiency...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19622-MS
... We investigated the utility of a modified Washburn method, combining results of two sorption experiments, to study wettability alteration processes. The main objective in deploying this technique was to avoid the difficulty of direct contact angle measurements in surfactant solutions. In such...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19754-MS
... Engineering and scaling-up nanocarriers for the controlled release of surfactant are imperative for enhanced oil recovery (EOR). Herein, the use of silica-based nano-sized porous capsules to slowly release surfactant in saline water is reported. The results indicate that the silica shell...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19925-ABSTRACT
... Viscoelastic surfactant (VES) gels are used for well stimulation. Breakers such as ethylene glycol mono butyl ether, are compounds that reduce viscosity of VES gels, and are required after the stimulation job to prevent formation damage. The focus here was to delineate the steps involved in...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-20138-Abstract
... studying the capability of high-viscosity friction reducers (HVFRs) by examining the produced water from the Bakken Fm through an integral approach. The application of surfactant as an additive to the HVFRs was investigated in high TDS (total dissolved solids) conditions. To assess the current industry...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19451-MS
... capillary forces have profound impact on water retention and hence, water recovery and subsequent oil productivity. Surfactants and microemulsions have been extensively reported as flowback additives to lower surface and interfacial tension to maximize water recovery. Most of the previous studies focused...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19151-MS
... Abstract A local refined model, using micro-seismic data to model fracture geometry, is presented to study huff-n-puff surfactant injection in a tight oil reservoir. The goal of this study is to understand the key parameters that control the surfactant huff-n-puff performance in tight oil...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18601-MS
... this phenomenon, Alkaline-Surfactant-Polymer (ASP) flooding was proposed to recover the remaining oil that is bypassed and trapped underneath. Through laboratory evaluation, the main objective of this study was to generate an effective chemical concoction comprising of alkaline, polymer and surfactant...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18615-MS
... Abstract The knowledge of the relationship between the molecular structure of surfactants and their ability to form a single phase solution for water and oil has been expanded enormously over the last two decades, primarily because the use of microemulsion solutions for EOR are promising. The...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18637-MS
... Surfactants are used in a variety of emulsion-based applications. Usually, stabilization of emulsion is only required temporarily. In the case of crude oil displacement from reservoirs, subsequent destabilization of produced water/oil (w/o) fluid is required during the separation of water and...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18974-MS
... Abstract If chemical stability of EOR polymers has been extensively studied over the past decades, surfactants have attracted less attention except for a few reference papers. This article presents existing and new data on the chemical stability of a variety of surfactants classically used for...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18769-MS
... formation surface of oil film, thereby helping achieve good bonding with the set cement. Spacers are usually water-based fluids with added surfactants for cleaning the casing and formation surfaces. This surfactant pack is usually optimized using bulk conductivity measurements such that an equi-volume...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18806-MS
... foamers were studied and the results showed a significant negative influence of high temperature on the foamer performance. It was observed that the effect of temperature on foamer performance is surfactant dependent. Therefore, it is essential to evaluate foamers in the laboratory tests at the...

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