Dynamic behavior of radio-labelled water tracer candidates for chalk reservoirs

Björnstad, T.; Haugen, O. B.; Hundere, I.A.

doi:10.1016/0920-4105(94)90083-3

Cited by 15 publications

(6 citation statements)

References 6 publications

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“…the ideal water tracer, HTO. This is often observed with negatively charged compounds and rock material with negatively charge surface (BjSrnstad et al [11]). Also shown in Tab.…”

Section: Resultsmentioning

confidence: 96%

Synthesis of radiolabelled organic compounds for use as water tracers in oil reservoirs

Eriksen

Bjørnstad

1999

Czech J Phys

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“…the ideal water tracer, HTO. This is often observed with negatively charged compounds and rock material with negatively charge surface (BjSrnstad et al [11]). Also shown in Tab.…”

Section: Resultsmentioning

confidence: 96%

Synthesis of radiolabelled organic compounds for use as water tracers in oil reservoirs

Eriksen

Bjørnstad

1999

Czech J Phys

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“…To better explain abnormalities in similar experiments (Bjørnstad et al, 1994) presented a method to visualise if the rates of production of the tracer candidates differ significantly from the ones of the reference tracer at different moments of the production. This allows to identify patterns that could be missed by the results presented so far.…”

Section: Flooding Experiments In Water Saturated Coresmentioning

confidence: 99%

“…Reversible adsorption can also cause a delay of the partitioning tracers relatively to the passive ones and would translate in the same type of response as partitioning to the oil phase on the production curves. While this has not been reported specifically for oil/water partitioning tracer candidates, (Bjørnstad et al, 1994) reported reversible adsorption of Iand SO4 2when investigating new passive water tracers for chalk reservoirs and (Strand et al, 2006) developed a method for measuring wettability of chalk cores based on the reversible adsorption of SO4 2-. Most of the molecules used in the early days of inter-well tracer tests in oil reservoirs were selected after their successful use in hydrogeology applications (Ahmad et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

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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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“…Seven substances were tested: tritiated water (HTO) and the ions S 14 CN − , 36 Cl − , 131 I − , 35 SO 4 2− , H 14 CO 3− , and 22 Na + . However, 131 I − and 35 SO 4 2− show a more complicated behavior because of ion exclusion, adsorption, desorption, and chemical reactions [270]. However, 131 I − and 35 SO 4 2− show a more complicated behavior because of ion exclusion, adsorption, desorption, and chemical reactions [270].…”

Section: Radioactive Tracersmentioning

confidence: 99%

Enhanced oil recovery

2015

Petroleum Engineer's Guide to Oil Field Chemicals and Fluids

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Dynamic behavior of radio-labelled water tracer candidates for chalk reservoirs

Cited by 15 publications

References 6 publications

Synthesis of radiolabelled organic compounds for use as water tracers in oil reservoirs

Synthesis of radiolabelled organic compounds for use as water tracers in oil reservoirs

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

Enhanced oil recovery

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