Published papers on project 2-16-328

• Paper in journal 3
  
• Paper in proceedings 2
  
• Manuscript 1
  

1. Type of paper: Paper in journal
   

   Title: Čubrić,S.:Power and energy of geothermal reservoirs in Republic of Croatia.
   Journal: Nafta
   Number: 44
   ISSN: 0027-755
   Year: 1993
   Pages: from 459 to 470
   Language: engleski
   Summary: The paper presents the physical basis for geothermal energyreserves calculations. In addition, the basic factors whichaffected the high geothermal gradients at some location inCroatia are discussed. The most impoprtant one is the influenceof natural convection in the deposits of great pay thickness andhigh permeability.
   Keywords: geothermal energy, reinjection, thermal power, electricity
   

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2. Type of paper: Paper in journal
   

   Title: Čubrić,S.:Estimation of geothermal energy reserves.
   Journal: DIT INA-Naftaplin
   Number: 32
   ISSN: 0351-5524
   Year: 1992
   Pages: from 25 to 32
   Language: hrvatski
   Summary: In this paper, the basic scientific principles of the calculationof geothermal energy reserve are described. Also, some maincharacteristics of the geothermal reservoir (and its energyutilization) in Croatia are presented.
   Keywords: geothermal energy, reserves, categories and classes, geothermal reservoirs in Croatia
   

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3. Type of paper: Paper in journal
   

   Title: Čubrić,S.:Economic Evaluation of Exploitation of Geothermal Reservoir Velika Ciglena.
   Journal: DIT INA-Naftaplin
   Number: 1
   ISSN: 1330-2434
   Year: 1993
   Pages: from 90 to 95
   Number of references: 8
   Language: hrvatski
   Summary: The geothermal reserboir Velika Ciglena makes the system ofmuturally well linked fracture zones in the practical impermeableblocks of dolomites at the depth of 2500-3800 m. Depth of thedolomitic blocks varies (up to 600m). The reservoir temperatureis almost equal (about 175 deg C).
   Keywords: geothermal energy, economic
   

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4. Type of paper: Paper in proceedings
   

   Title: Čubrić,S.,Uglešić,Ž.:Power and the energy of geothermal field Velika Ciglena.
   Proceedings title: Energija i zaštita čovjekove okoline.
   Language: hrvatski
   Place: Opatija
   Year: 1992
   ISBN/ISSN: 86-81601-01-8
   Pages: from 69 to 78
   Meeting: Energija i zaštita čovjekove okoline. Međunarodni kongres.
   Held: from 10/28/92 to 10/30/92
   Summary: Only one portion of the reservoir Velika Ciglena has beenexplored by two wells on 600 m spacing. Production rate of singlewell is 10 000 m3/d, with temperature of 170 deg C. In thispaper, power and energy in the proved portion of the reservoircovering the area of 2.3 m2, have been analysed. Thepossibilities of conversion of geothermal into electric energyhave been analyzed too. It has been shown, that it possible toobtain as much as 4.8 MWe per one production well.
   Keywords: Geothermal energy, conversion of energy, power
   

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5. Type of paper: Paper in proceedings
   

   Title: Geothermal Resource Potential of the Republic of Croatia
   

   Authors:

   Čubrić, Srećko (110544)

   Jelić, Krešimir (18432)

   Proceedings title: Proceedings of the World Geothermal Congress
   Language: engleski
   Place: Florence, Italy
   Year: 1995
   Pages: from 87 to 91
   Meeting: World Geothermal Congress
   Held: from 05/21/95 to 05/27/95
   Summary: It has been estimated that the thermal power from tested reservoirs in Croatia could be 815 MW...
   Keywords: -Geothermal resources, thermal power, Republic of Croatia
   

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6. Type of paper: Manuscript
   

   Title: A Contribution to the Enchanced Intempretation of Temperatuee Surveys
   

   Authors:

   Prnić, Žarko (147716)

   Language: engleski
   Summary: For most practical situation the flow rate and flowing time should be selected so that the thermal gradient is undisturbed over a substantial part of the well. The complete solution for the system of differential equations for large and small times under this condition are developed. The efect of thermal resistance is considered.
   Keywords: -Mass and heat transfer
   Other: Rad je za sada prihvaćen kao paper of SPE 28644 (Society of Petroleum Engineers). Postupak za objavljivanje je u tijeku.
   

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