Deadline: 28 February 2011
Are you interested in a research career and in integration of rock physics, reservoir geology and geotechnics? Then here is an opportunity to do a PhD in an internationally recognized research environment supported by national and international cooperation partners.
Wider context of the project
The PhD scholarship is integrated in a project, where we will develop new technology to improve planning of energy storage in geothermal reservoirs through high-quality experiments and modelling. Geothermal reservoirs have high temperature, so energy may be stored in these geological layers with minimal heat loss. The technology will be based on a multidisciplinary approach combining small scale geochemistry/rock physics with large scale seismic inversion and history matching of production data. The focus will be on Danish geothermal reservoirs, because heat storage is likely to be the missing link in planning sustainable energy production in Denmark, where several sources of energy should interplay. Energy sources as waste incineration and wind are not controlled by immediate energy demands. By storing energy at low heat loss in hot aquifers, we obtain an effective interplay between different sources of energy. Thereby, the degree of coverage with sustainable energy can increase at an acceptable cost. It is the right time to do this, because geothermal plants are presently being installed in Denmark. Thus, the cost of establishing heat storage in geothermal reservoirs is relatively small. The imminent question with respect to establishing heat storage in geothermal reservoirs is how the reservoirs will react to the introduction of water with a higher temperature than the natural as compared to effects of injecting cold water: How will the reservoir rock react chemically and mechanically, how will the heat and fluid distribute in the reservoir, what is the energy loss related to this storage method, and how will a potential change in water chemistry influence the operation abilities of the geothermal plant? We will evaluate the technology in an international context by collaborating with researchers working with geothermal reservoirs in other European countries.
Scientific focus of the announced PhD position
One of the major concerns in using heat storage in hot aquifers is that the introduction of very hot water with a different temperature than the pore water in the reservoir may trigger both mineral dissolution and precipitation, and thereby potentially cause a change in the petrophysical, geomechanical, and thermal properties of the reservoir rocks. The focus of the work in the announced PhD position is rock mechanical and rock physcal testing and modeling in collaboration with petrographers and geochemists.
At the date of appointment candidates must hold an MSc degree in geo-science or engineering (e.g. civil engineering, geology, geophysics, hydrology), preferably with a strong background in reservoir geology and/or rock physics. The successful candidate must be an efficient team worker, have good communication skills, and have a critical approach to formulation and testing of hypotheses. Practical lab experience and a wish to work in the lab is a prerequisite.
Approval and Enrolment
The scholarships for the PhD degree are subject to academic approval, and the candidates will be enrolled in one of the general degree programmes of DTU. For information about the general requirements for enrolment and the general planning of the scholarship studies, please see the DTU PhD Guide.
PhD at DTU Byg
As PhD student at DTU Byg you will be part of the scientific staff and treated as such. We have an international environment with an international MSc education and approx. 75 PhD students from a number of countries. Copenhagen is a pleasant place to live with easy transport and a rich cultural life.
Salary and appointment terms
The salary and appointment terms are consistent with the current rules for PhD degree students. The period of employment is 3 years.
The successful candidate will be employed at and enrolled as a PhD student at DTU Byg.
The starting date is negotiable but a quick start is preferred.
Further information is available from Associate Professor Ida Fabricius, e-mail:firstname.lastname@example.org.
Do NOT send applications to this e-mail address, but use the electronic submission system - see below!
You can read more about DTU Byg on www.byg.dtu.dk
We must have your online application by 28 February 2011. Please open the link "apply for this job online", fill in the application form and attach the following documents:
- A cover letter explaining the applicant’s motivation to apply for the research project (not more than one page)
- A curriculum vitae providing relevant academic, employment and personal details
- Authorized academic transcripts and copies of master thesis work or publications
- Contact details for two reference persons that we may contact for further inquires
- Documentation of English language competence
Candidates will be evaluated based on their research potential and commitment and selected candidates will be invited for an interview.
The scholarship is open to both Danish and international applicants.
All interested candidates irrespective of age, gender, race, handicap, religion or ethnic background are encouraged to apply.
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