Explanipedia

Thermal shock resistance of lightweight cements developed for geothermal conditions Open

William Kibikas, Tatiana Pyatina, Thomas Dewers, Stephen J. Bauer, Toshifumi Sugama , et al. · 2025

Thermophysical properties of the Ghareb formation relevant for nuclear waste disposal Open

William Kibikas, Ahmad Ghassemi, Robert Choens, Stephen J. Bauer, Eyal Shalev , et al. · 2025

The Ghareb formation, a shallowly buried porous chalk in Israel, is currently a candidate for nuclear waste disposal. The potential repository is somewhat unique for its host rock and emplacement in shallow (500 m) engineered large diamete…

Using Radiogenic Noble Gas Nuclides to Identify and Characterize Rock Fracturing Open

W. Payton Gardner, Stephen J. Bauer, William Kibikas, Brynna Siluk, Scott Thomas Broome , et al. · 2025

Fracture‐released radiogenic noble gas nuclides are used to identify locations and constrain the volume of new fracture creation during subsurface detonations. Real‐time, in situ noble gases and reactive gases were monitored using a field‐…

Mechanical and poroelastic behavior of porous tuff under drained and undrained conditions Open

Stephen J. Bauer, Scott Thomas Broome, William Kibikas, Jennifer E. Wilson · 2024

Thermal Expansion of Simulated Wellbores Subjected to Thermal Shock Conditions Open

William Kibikas, Stephen J. Bauer, Tatiana Pyatina, Sugama Toshifumi · 2024

Stability and Breakdown of Acid-Induced Hydrated Silicate Gels and Metal Silicate Hydrates under Geothermal Conditions: A Preliminary Laboratory Study Open

Seiji Nakagawa, William Kibikas, Chun Chang, Timothy J. Kneafsey, Patrick Dobson , et al. · 2024

Electrofracturing of Shale at Elevated Pressure Open

Stephen J. Bauer, Steve Glover, Kenneth Williamson, Jiann-Cherng Su, Scott Broome , et al. · 2024

Electrofracturing deeply buried shale formations could be used to increase reservoir permeability and improve reservoir production without requiring large volumes of freshwater. This paper describes a novel experimental system and initial …

Evaluation of Lost Circulation Material Sealing for Geothermal Drilling Open

William Kibikas, Seiji Nakagawa, Mathew Ingraham, Stephen J. Bauer, Chun Chang , et al. · 2024

Lost circulation is a pervasive problem in geothermal wells that can create prohibitive costs during drilling. The main issue with treatment is that the mechanism of plug formation is poorly understood. Here we applied two experimental app…

Time-dependent thermal degradation of lost circulation materials in geothermal systems Open

William Kibikas, Chun Chang, Stephen J. Bauer, Seiji Nakagawa, Patrick Dobson , et al. · 2024

Tattletale ion-implanted nanoparticles Open

Timothy J. Boyle, Khalid Hattar, Fernando H. Garzón, Stephen J. Bauer · 2023

Ion-doped metal or ceramic nanoparticles can be added into, for example, a component that upon exposure to an environmental stimulus, will release the ion and ‘tattle’ on any impending destruction.

Water-Weakening and Time-Dependent Deformation of Organic-Rich Chalks Open

William Kibikas, Robert Choens, Stephen J. Bauer, Eyal Shalev, Vladimir Lyakhovsky · 2023

Estimating Fracture Network Damage After a Subsurface Detonation Using Geogenic Noble Gases. Open

W. Payton Gardner, Stephen J. Bauer · 2023

Noble gas release can be used to investigate the timing, location and magnitude of fracture creation. Here, a numerical model of gas release and transport, resulting from fracturing events, is used to estimate first-order fracture ne…

Electrofracturing test system and method of determining material characteristics of electrofractured material samples Open

Stephen J. Bauer, Steven F. Glover, Tom Pfeifle, Jiann-Cherng Su, Kenneth Martin Williamson , et al. · 2023

A device for electrofracturing a material sample and analyzing the material sample is disclosed. The device simulates an in situ electrofracturing environment so as to obtain electrofractured material characteristics representative of fiel…

Context and mitigation of lost circulation during geothermal drilling in diverse geologic settings Open

Carmen Winn, Patrick Dobson, Craig Ulrich, Timothy J. Kneafsey, Thomas Lowry , et al. · 2022

Impact of thermo-mechanical properties on deformation behavior of potential host rock for nuclear waste disposal . Open

William Kibikas, Robert Choens, Stephen J. Bauer, Eyal Shalev, Vladimir Lyakhovsky · 2022

Borehole stability in the Ghareb formation. Open

Stephen J. Bauer, Robert Choens, William Kibikas, Jennifer L. Wilson, Michel A. Homel , et al. · 2022

Standard terminology is critical to advancing rehabilitation and assistive technology: a call to action Open

Linda-Jeanne Elsaesser, Natasha Layton, Marcia J. Scherer, Stephen J. Bauer · 2022

This perspective piece discusses inconsistencies in assistive technology (AT) language as a barrier to communication in AT provision, research, development, trade, and policy. The imperative to improve communication is explored in relation…

Thermal expansion, fluid flow, and thermal shock of cement and a cement/steel interface at elevated pressure and temperature . Open

Stephen J. Bauer, Perry Barrow, Tatiana Pyatina, Toshifumi Sugama · 2022

Thermal-Hydrological-Mechanical Characterization of the Ghareb Formation at Conditions of High-Level Nuclear Waste Disposal Open

William Kibikas, Stephen J. Bauer, C. Choens, Eyal Shalev, Vladimir Lyakhovsky · 2022

The Ghareb Formation in the Yasmin Plain of Israel is under investigation as a potential disposal rock for nuclear waste disposal. Triaxial deformation tests and hydrostatic water-permeability tests were conducted with samples of the Ghare…

BCD Geogenic Gas Measurements. Open

Stephen J. Bauer, Scott Thomas Broome, U Montana WP Gardner · 2022

Thermal-hydrological-mechanical characterization of the Ghareb formation at conditions of high-level nuclear waste disposal. Open

William Kibikas, Stephen J. Bauer, Robert Choens, Eyal Shalev, Vladimir Lyakhovsky · 2022

Frontier Observatory for Research in Geothermal Energy: Phase 2B topical Report, Fallon, NV. Open

Douglas Blankenship, John Akerley, Bridget Ayling, Perry Barrow, Stephen J. Bauer , et al. · 2022

tasks necessary to demonstrate the viability of the Fallon FORGE Project site were completed and the commitment and capability of the Fallon FORGE team to execute FORGE was demonstrated. As part of Phase 1, the Fallon FORGE Team provided a…

When Where and Why: The Geologic Context of Lost Circulation While Drilling in a Crystalline Geothermal Reservoir. Open

Carmen Lee Winn, Patrick Dobson, Craig Ulrich, Timothy J. Kneafsey, Thomas Lowry , et al. · 2022

Geogenic Gas Measurements at BCD Shot 3. Open

Stephen J. Bauer, WP Gardner, William Kibikas · 2022

Laboratory Evaluation of the Short-Term Clogging Behavior of Various Materials and Their Combined Use for Lost Circulation Management Open

Seiji Nakagawa, Chun Chang, William Kibikas, Timothy J. Kneafsey, Patrick Dobson , et al. · 2022

Mitigation Strategies and Geologic Context of Lost Circulation at Steamboat Hills, Nevada. Open

Carmen Winn, Patrick Dobson, Craig Ulrich, Timothy J. Kneafsey, Thomas Martin Lowry , et al. · 2022

Lost Circulation Materials in Geothermal Drilling: Thermal Degradation, Viscosity, Compression, and Flow Loop Tests Open

William Kibikas, Seiji Nakagawa, Mathew Ingraham, Stephen J. Bauer, Chun Chang , et al. · 2022

This dataset provides a set of experimental data on the performance of lost circulation materials (LCMs) used in geothermal drilling operations. It includes results from four distinct tests: thermal degradation, viscosity measurements, com…

Examining the Monetary and Time Costs of Lost Circulation. Open

Thomas Lowry, Carmen Winn, Patrick Dobson, Samuel Abraham, Timothy J. Kneafsey , et al. · 2022

Inferring Gas Flow and Fracture Network Damage After a Subsurface Detonation Using Explosive and Geogenic Noble Gases. Open

Stephen J. Bauer, Scott Broome, Richard Robey, William Kibikas, Vince Christopher Strickland · 2021

Helium (4He) measurements during vacuum crushing of rock. Open

Stephen J. Bauer, Brynna Siluk · 2021

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