Geothermal applications of hydrocarbon wells
The second lecture of the MTA 200 memorial semester of the IEEE BME SBC was delivered by Adrienn Szekszárdi, a representative of MOL. Sharing her comprehensive knowledge, she provided insight into the possibilities of the secondary utilization of hydrocarbon wells.
In the first part of the lecture, the audience received a brief introduction to the requirements and challenges of deep drilling. We became familiar with the primary objectives, functions, structural composition, and operational principles of well drilling.
The exploration and evaluation of oil and gas fields are among MOL’s key activities. The determination of potential target areas is based on the analysis of data obtained through various examinations and measurements. This data may come from previously drilled wells, the reprocessing of old seismic data, or the acquisition of new seismic data.
To understand and implement well integration, it is necessary to be familiar with some basic definitions. For example, deep drilling is a process (operation), whereas the well itself is the final product. During deep drilling, the process is referred to as "drilling" until completion, and once the facility is fully constructed and put into operation, it is called a "well." Well integrity is determined by the reliability of well barriers, which are designed to prevent the uncontrolled release of fluids from oil and gas wells.
The "Plug & Abandonment" (P&A) procedure pertains to the closure and securing of wells. The relevant regulations vary by jurisdiction, making it challenging for operators with international assets to comply with all requirements. Operators must adhere to these regulations to ensure safe and environmentally responsible operation. These regulations typically cover various areas, such as casing and cementing requirements, pressure testing procedures, as well as monitoring and reporting obligations.
Like most large-scale industrial activities, well drilling does not come without risks. Activities that result in a net loss are referred to as "dry drilling" Originally, this term was used in hydrocarbon and geothermal fluid exploration to describe wells where no significant oil or water reserves were found. However, modern technologies now offer new possibilities for the utilization of these wells, such as using them for monitoring or as part of closed-loop geothermal systems.
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- Magyar tudósok körútja 2.
- Budapest, Budapest Fovaros
- Hungary 1117
- Building: Q Building
- Room Number: BF13
Speakers
Adrienn Szekszárdi
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| 2025.02.27.ESZK_ben-7 | 1.25 MiB |