Pushing the envelope of residual oil measurement: A field case study of a new class of inter-well chemical tracers

Sanni, Modiu; Alabbad, Mohammed; Kokal, Sunil; Dugstad, Øyvind; Hartvig, Sven; Huseby, Olaf

doi:10.1016/j.petrol.2017.12.076

Cited by 26 publications

(6 citation statements)

References 5 publications

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“…Thus, the use of a new compound as partitioning tracer in the oilfield must be preceded by an evaluation of its capacity to resist the conditions encountered there. The potential benefits of using PITT as a characterization tool for efficient reservoir management are widely discussed in the literature Dean et al, 2016;Sanni et al, 2018; and such tests https://doi.org/10.1016/j.petrol.2019.106269 Received 6 September 2018; Received in revised form 14 June 2019; Accepted 12 July 2019 can be fundamental for the industry in the future. Increasing the number of compounds tested and thoroughly qualified for use as partitioning tracers in the oilfield will contribute to overcome one of the main current obstacles to the dissemination of this technology.…”

Section: Partitioning Inter-well Tracer Testsmentioning

confidence: 99%

“…Beneficiating from the developments within analytical chemistry, both in instrumentation and sample preparation techniques, which made possible to analyse millions of different molecules in the ng/L range, presented a successful PITT performed on the Lagrave field in France with undisclosed compounds specifically thought for such an application. The same compounds were again successfully used in the Bockstedt field in Germany , and on a carbonate land-based reservoir of undisclosed location (Sanni et al, 2018).…”

Section: Introductionmentioning

confidence: 98%

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Development of new oil/water partitioning tracers for the determination of residual oil saturation in the inter-well region of water-flooded reservoirs

Silva¹

2021

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is credited to have said "the value of achievement lies in the achieving." This is true for everything in life, and I feel very lucky and thankful for all the people I worked with in the path leading to this thesis. It is also their achievement, as it would not be possible without them. I learned and was trained by the best in the field, who also showed me that an open-mind, humility, and hard-work pave the way forward. I would like to thank my supervisors, Professor Tor Bjørnstad and Professor Svein Magne Skjaeveland. Thank you, Tor, for all the insights, trust, freedom, patience, and advice! You truly are a role model, and I will be happy if I become half of what you are, both as a researcher and as a person. I could not have done this without you! Thank you Svein for all the kind and motivating words, for the example, and for the rigor with flexibility. This would not happen without you! I want to thank the team of the "Tracer Technology department" at IFE, particularly Sissel Opsahl Viig for sharing her knowledge, time, patience, and good humour, as well as for the help in disassembling and assembling instrumentation! Per Arne Hubred, one of the best humoured and cleverest engineers I ever met, who made the "magic happen" whenever experimental needs would hit a wall. Are Haugen, for all the trouble and help in welcoming me to a new workplace and a new country. Laura Ferrando-Climent, for all the small talk in coffee breaks, confidences, incentive, the friendship, and the sharing of insights about good scientific work. A special thank you to Helge Stray, my office colleague, "informal supervisor", for all the fruitful discussions and exchange of ideas, reviews, motivation, friendship, and help with personal and logistic issues upon my arrival in Norway. I would also like to thank the National IOR Centre of Norway for employing me and all its fantastic members, past and present colleagues at UiS, IFE and NORSE, especially Mahmoud Ould Metidji for the fantastic comradeship, friendship, and collaboration, Thomas Brichart vi for introducing me to the "nano-world" and for the comradeship, Jaspreet Singh Sachdeva for the optimism, motivation, and the insights about pore-scale phenomena, Eystein Opsahl for the warmth, good humour, good discussions, and excellent collaboration. Additionally, I want to thank Aksel Hiorth, Jan Ludvig Vinningland, Merete Madla Vadland, Randi Valestrand, for all the gatherings, discussions, and insights always with lots of fun! Many more are left out, each with valuable contributions. Working with the National IOR Centre of Norway was an exciting and challenging experience, filled with excellent scientific discussions, exchange of ideas and fun, without forgetting our industry partners and their valuable input. Finally, my biggest thank you to my family! To Sofia, for the strength and constant support throughout all the challenges I faced even while facing her own! None of my achievements would be possible without you as my partner and inspiration! To Maria João and Francisca, for being t...

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Section: Partitioning Inter-well Tracer Testsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Development of new oil/water partitioning tracers for the determination of residual oil saturation in the inter-well region of water-flooded reservoirs

Silva¹

2021

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“…Chemical tracers have become indispensable tools in the oil and gas industry for the purpose of reservoir characterization and production optimization. − Through the injection of tracers into injection fluids and subsequent monitoring of their presence in adjacent production wells, tracer tests yield a wealth of information pertaining to reservoir well connectivity and heterogeneity. Recent advancements in tracer technology have significantly accelerated the process of data acquisition and analysis.…”

Section: Introductionmentioning

confidence: 99%

Utilizing a Paper-Based Platform for Oilfield Applications: Time-Resolved Fluorescence Imaging and Detection of Interwell Chemical Tracers

Yoon,

Tai,

Thomas

et al. 2024

ACS Omega

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Chemical tracers are indispensable tools for enhancing reservoir characterization and optimizing production processes in the oil and gas industry. Particularly, interwell water tracers provide key data for efficient water flood management and the improvement of production rates. However, the analysis of these water tracers within reservoir fluids is challenging, requiring laborious separation and extraction steps that often rely on complex instruments and skilled operators. Real-time analysis is especially problematic in remote areas with limited access to wellequipped laboratories. To address these challenges, we introduce a paper-based platform for the time-resolved fluorescence detection of dipicolinic acid (DPA) tracers complexed with terbium ion (Tb 3+ ). Our innovation is driven by the need to simplify tracer analysis, make it portable, and enhance accessibility for oilfield applications. By leveraging the unique properties of cyclen-based macrocyclic ligands, we have achieved the stable and sensitive immobilization of Tb 3+ on quartz microfilter paper, eliminating the need for extensive laboratory-based procedures. We achieve the stable and sensitive immobilization of Tb 3+ on quartz microfilter paper by leveraging the unique properties of cyclen-based macrocyclic ligands. This innovation enables the formation of highly fluorescent, oil-blind, and optically detectable DPA-Tb 3+ complexes at the paper surface. We visualize and capture these fluorescence signals using an intensified charge-coupled device camera via time gating, effectively suppressing undesirable fluorescence originating from crude oil. The quantification of DPA concentrations is achievable down to 158 ppb (9.45 × 10 −7 M), as confirmed through time-resolved fluorescence microplate reader measurements. We also demonstrate the practicality of our technology by detecting DPA tracers in the presence of crude oil contamination, a common challenge encountered in oil production wells.

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“…According to the production and development needs of oil fields, tracers can be roughly divided into chemical tracers, 15,16 trace element tracers, 17 radioisotope tracers, 18 and non-radioisotope tracers. 19,20 The trace element tracer system is immature, and the output interpretation method needs to be improved.…”

Section: Introductionmentioning

confidence: 99%

Design, synthesis and performance of novel fluorescent polymer microspheres tracers based on aggregation induced emission

Zhou

Liang

et al. 2023

J of Applied Polymer Sci

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In this study, blue fluorescent polymer microspheres tracers are prepared by dispersion polymerization using aggregation induced emission monomers, styrene and sodium vinyl benzene sulfonate as raw materials. The properties of the microspheres are investigated by field emission scanning electron microscopy, fluorescence microscopy and fluorescence spectrum. The results show that N‐(4‐(4‐(1,2,2‐triphenylvinyl)phenoxy)butyl)acrylamide exhibits typical AIE properties in a mixture of water and tetrahydrofuran. The fluorescent polymer microspheres are smooth and monodisperse. Concentration‐dependent experiments indicate that the fluorescence intensity of the fluorescent polymer microspheres increases with the increasing of concentration. In addition, we explore the effects of temperature, pH, and some metal ions on the fluorescent polymer microspheres, and find that the fluorescence intensity is still good under these influencing conditions. We also investigate the stability of the polymer, the fluorescence intensity of the polymer hardly changed during the 30‐day monitoring period, indicating its good stability. Therefore, the above research results indicate that the fluorescent polymer microspheres can be used as potential oilfield tracers.

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Pushing the envelope of residual oil measurement: A field case study of a new class of inter-well chemical tracers

Cited by 26 publications

References 5 publications

Development of new oil/water partitioning tracers for the determination of residual oil saturation in the inter-well region of water-flooded reservoirs

Development of new oil/water partitioning tracers for the determination of residual oil saturation in the inter-well region of water-flooded reservoirs

Utilizing a Paper-Based Platform for Oilfield Applications: Time-Resolved Fluorescence Imaging and Detection of Interwell Chemical Tracers

Design, synthesis and performance of novel fluorescent polymer microspheres tracers based on aggregation induced emission

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