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Developing new environmentally-friendly solutions for well plugging and abandonment (well P&A)

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  • Full or part time
    Dr A Sharifi
    Dr R Rafati
  • Application Deadline
    Applications accepted all year round
  • Self-Funded PhD Students Only
    Self-Funded PhD Students Only

Project Description

Hydrocarbon leakage from subsurface environments has been a critical concern for groundwater resources and atmospheric pollutions. Methane leakage from hydraulically fractured shale reservoirs and oil and gas leakage from offshore abandoned wells raised the issue that well integrity and current remedial solutions may not be adequate to overcome them.

In this study, new environmentally friendly chemicals that can withstand the harsh conditions (high temperatures, corrosive environments, and geological stresses) will be formulated and tested in laboratories to simulate downhole conditions. The new materials have low toxicity compared to the current commercial ones; furthermore, they may have the potential to block fractures and fissures through different in-situ processes. Different tests using high tech facilities such as X-Ray CT scan, rheometer, and stress analysis equipment will be conducted to characterise the new chemicals to be used for well plugging and abandonment (well P&A). Once the physical and chemical properties of the new chemicals (surface wettability, solubility, adhesiveness, and stress/strain properties) are determined, they will be tested on prototypes of shale reservoirs and mature wells to justify the application of such chemicals for pilot tests.

The successful candidate should have (or expect to achieve) a minimum of a UK Honours degree at 2.1 or above (or equivalent) in Petroleum Engineering, Chemistry or closely related degrees.

Knowledge of: Petroleum Engineering, Chemistry of Fluids, Fluid Mechanics/Properties, Geosciences

APPLICATION PROCEDURE:

Formal applications can be completed online: http://www.abdn.ac.uk/postgraduate/apply. You should apply for Degree of Doctor of Philosophy in Engineering, to ensure that your application is passed to the correct person for processing.

NOTE CLEARLY THE NAME OF THE SUPERVISOR AND EXACT PROJECT TITLE YOU WISH TO BE CONSIDERED FOR ON THE APPLICATION FORM.

Informal inquiries can be made to Dr A Sharifi ([Email Address Removed]) with a copy of your curriculum vitae and cover letter. All general enquiries should be directed to the Postgraduate Research School ([Email Address Removed]).

Funding Notes

There is no funding attached to this project, it is for self-funded students only.

How good is research at Aberdeen University in General Engineering?

FTE Category A staff submitted: 38.60

Research output data provided by the Research Excellence Framework (REF)

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