A lot of oil and gas reservoirs have been or will be abandoned in petroleum industry. In this study, we pointed out that these oil and gas reservoirs might be transferred into exceptional enhanced geothermal reservoirs with very high temperatures by oxidizing the residual oil with injected air. A concept to generate power from these exceptional enhanced geothermal reservoirs by using geothermal...

Centre) have been advisors for me, and Norsk Hydro has provided the funding for the work. The thesis' main research part is the five papers A-E, and four of these have been published in conference proceedings and journals. The main focus of these papers is on issues related to reservoir simulation with improved reliability, and in particular discretization methods which should be valid for comp...

withdrawal of oil and gas from reservoirs causes a decrease in pore pressure and an increase in effective stress which results to a reservoir compaction. reservoir compaction will result in surface subsidence through the elastic response of the subsurface. usually in order to determine the subsidence above a hydrocarbon field, the reservoir compaction must be first calculated and then the effec...

Optimisation of PM scheduling for multi-component systems – a simulated annealing approach Mohammad Doostparast a , Farhad Kolahan b & Mahdi Doostparast c a Iranian Oil Pipeline and Telecommunication Company (IOPTC) , Tehran , Iran b Department of Mechanical Engineering , Ferdowsi University of Mashhad , Mashhad , Iran c Department of Statistics, School of Mathematical Sciences , Ferdowsi Unive...

Obtaining samples that represent original fluid of reservoirs optimizes reservoirs management. The optimized management increases recovery. Also, selecting and performing proper Improved Oil Recovery (IOR) or Enhance Oil Recovery (EOR) programs depend on collecting representative samples. Achieving accurate compositions of original in-situ fluid prevents overdesigning surface facilities. Re...

An emerging method to increase the recovery from oil reservoirs is the application of measurement and control techniques to better control subsurface flow over the life of the reservoir. In particular the use of sensors and remotely controllable valves in wells and at surface, in combination with large-scale subsurface flow models is promising. Various elements from process control may play a r...

Understanding of the permeability of reservoir rocks at elevated temperature is becoming increasingly important both in oil field development and stimulation and in geothermal energy production. Rock properties such as permeability are often measured at ambient conditions with reservoir characteristics then based on these ambient measurements. liowever, rock and fluid properties may be radicall...

Accurate integration of flow simulation and seismic modeling is one of the cornerstones of reliable time-lapse (4D) seismic monitoring. However, the question which scales flow simulations need to resolve to accurately capture reservoir changes during production and whether these scales are resolvable in seismic data is an open one. The answer impacts computational costs and our ability to predi...

Knowledge discovery is an important part of reservoir management, and it is also a bottleneck of widespread application of knowledge. So we should make use of some particular data mining methods to discover knowledge, which should be based on some particular fields. According to demand of oil and gas development and characters of reservoir data set, puts forward a new idea of knowledge discover...

Crude oil, the world’s major source of energy, is obtained from earth as a Newtonian fluid and needs to be transported refineries for further processing. Pipeline transport has proven most efficient, environmental-friendly cost effective all modes crude oil transportation subsea production sites. However formation deposition waxes (mainly paraffinic asphaltenic components) along pipelines remai...