Results 101 to 110 of about 7,820 (306)

Time frames for geothermal project development [PDF]

open access: yes, 2001
Geothermal development can generally be broken down into distinct phases: Exploration and Leasing; Project Development And Feasibility Studies; Well Field Development; Project Finance, Construction and Start-up Operations; and Commercial Operations. Each
McClain, David W.
core   +1 more source

Multiple injection techniques to stimulate complex fracture networks in coal reservoirs: A case study on gas disaster reduction of subsurface coal mine in southwest China

open access: yesDeep Underground Science and Engineering, EarlyView.
An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang   +5 more
wiley   +1 more source

Overview of geothermal resource exploration and development in North Africa

open access: yesDeep Underground Science and Engineering
Geothermal exploration and development in North Africa have advanced significantly, driven by the region's rich geothermal resources and rising energy demand.
Meryem Redouane
doaj   +1 more source

Air quality and meteorological monitoring program : geothermal development activities (exploration phase), Kilauea Middle East Rift Zone, Estate of James Campbell property TMK 1-2-10:3

open access: yes, 1989
"This document presents a basic plan for an air quality and meteorological monitoring program to support the incremental exploration and development of the Kilauea Middle East Rift Zone Geothermal Subzone (GRS), Puna District, Island of Hawaii.
True/Mid-Pacific Geothermal Venture
core  

Exploration of the Upper Hot Creek Ranch Geothermal Resource, Nye County, Nevada [PDF]

open access: yes, 2005
The Upper Hot Creek Ranch (UHCR) geothermal system had seen no significant exploration activity prior to initiation of this GRED III project. Geochemical geothermometers calculated from previously available but questionable quality analyses of the UHCR ...
Blackwell, David, Benoit, Dick
core   +1 more source

Numerical simulation study on the evolution of the temperature field and frozen wall in fractured rock mass

open access: yesDeep Underground Science and Engineering, EarlyView.
The evolution of the temperature field and frozen wall under different fracture conditions was examined by an artificial ground freezing‐based thermal‐hydraulic coupled model. It was observed that fracture inclination affects the interaction extent of freezing pipes and fracture, while phase transition extent is the dominant factor for heat transfer in
Chenyi Zhang   +9 more
wiley   +1 more source

Characteristic and Mixing Mechanisms of Thermal Fluid at the Tampomas Volcano, West Java, Using Hydrogeochemistry, Stable Isotope and 222Rn Analyses

open access: yesGeosciences, 2018
The Tampomas Volcano is a Quaternary volcano located on Java Island and controlled by a west-northwest–east-southeast (WNW-ESE) regional fault trend.
Irwan Iskandar   +4 more
doaj   +1 more source

Comparison of Geothermal Regulation between Chile, Philippines and New Zealand

open access: yes, 2015
Geothermal projects combine aspects of high-risk exploration activities (as in petroleum sectors) and complex, localized electricity markets. Aligning support policies to the 3 basic dimensions of resource access, electricity market regulation and ...
van Campen, Bart
core  

Historical Pattern Analysis of Global Geothermal Power Capacity Development

open access: yes, 2023
Between 1913 and 1958, Italy was the only country with an operational geothermal power plant until New Zealand installed its first plant in 1958. At present, 24 countries are involved in the geothermal power market, and they have a combined installed ...
Ediger,V.Ş., Akar,S.
core  

Advancing mine pillar design: Evaluating traditional methods and integrating AI for enhanced stability of pillars in the Great Dyke, Zimbabwe

open access: yesDeep Underground Science and Engineering, EarlyView.
B1 is bord width 1, B2 is bord width 2, L is the pillar length, W is the pillar width, red color and letter A represent the pillars, and white color and number 1 represent excavated areas. Pstress is the average pillar stress; σv is the vertical component of the virgin stress, MPa; and e is the areal extraction ratio. e = B o B o + B P ${\rm{e}}=\frac{{
Tawanda Zvarivadza   +4 more
wiley   +1 more source

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