Herbert Hofstätter

(Former)

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Research output

  1. 2024
  2. Published

    Creating a Multiphase Production Model Tailored to Deviated Oil-Producing Wells for Integration as Input into a Machine Learning Model for ESP Survival Analysis

    Sindi, W., Fruhwirth, R., Gamsjäger, E. & Hofstätter, H., 2024, Society of Petroleum Engineers - SPE Canadian Energy Technology Conference and Exhibition, CET 2024. Society of Petroleum Engineers , (Society of Petroleum Engineers - SPE Canadian Energy Technology Conference and Exhibition, CET 2024).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  3. 2023
  4. Published

    Production Optimization Using Integrated Modelling and ESP Survival Analysis Based on Historical Data

    Sindi, W., Fruhwirth, R., Gamsjäger, E. & Hofstätter, H., 2023, Society of Petroleum Engineers - ADIPEC, ADIP 2023. Society of Petroleum Engineers , (Society of Petroleum Engineers - ADIPEC, ADIP 2023).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  5. 2020
  6. Published

    The Impact of Geothermal Energy on Natural Gas Production

    Fruhwirth, R., Hofstätter, H., Langbauer, C. & Schwaiger, G., Dec 2020, In: Mining Report Glückauf. 156.2020, 6, p. 547-559 13 p.

    Research output: Contribution to journal › Article › Research

  7. Accepted/In press

    Failure Prediction For Sucker Rod Pumps Using Analytic Solutions (SPE-200918-MS)

    Sirghii, V., Hofstätter, H., Fruhwirth, R., Pongratz, R. & Nirtl, M., 27 Apr 2020, (Accepted/In press).

    Research output: Contribution to conference › Poster › Research

  8. Accepted/In press

    Failure Prediction for Sucker Rod pumps Using Analytic Solutions (SPE-200825-MS)

    Sirghii, V., Hofstätter, H., Fruhwirth, R., Pongratz, R. & Nirtl, M., 2020, (Accepted/In press).

    Research output: Contribution to conference › Paper

  9. Accepted/In press

    Failure Prediction for Sucker Rod Pumps using Artificial Intelligence

    Sirghii, V., Hofstätter, H., Fruhwirth, R., Pongratz, R. & Nirtl, M., 2020, (Accepted/In press).

    Research output: Contribution to conference › Poster › Research

  10. 2019
  11. Published

    ThermoDrill – Development of an alternative drilling technology for deep geothermal applications

    Stoxreiter, T., Rehatschek, K. & Hofstätter, H., 1 Sept 2019, In: World of mining, surface & underground. 71.2019, 5, p. 276-282 7 p.

    Research output: Contribution to journal › Article › Research › peer-review

  12. Published

    WELL TREATMENT FLUID COMPRISING CARBOHYDRATE-BASED THICKENER, SALT AND PROPPANT IN BASE LIQUID, AND METHODS OF PREPARATION AND USE

    Hofstätter, H. (Inventor), 31 May 2019, IPC No. C09K 8/ 90 A I, Patent No. PL3046990T, Priority date 18 Sept 2014, Priority No. EP20140767017

    Research output: Patent

  13. Published

    WELL TREATMENT FLUID COMPRISING CARBOHYDRATE-BASED THICKENER, SALT AND PROPPANT IN BASE LIQUID, AND METHODS OF PREPARATION AND USE

    Hofstätter, H. (Inventor), 29 Mar 2019, IPC No. C09K 8/ 90 A I, Patent No. RS58331, Priority date 18 Sept 2014, Priority No. WO2014EP69944

    Research output: Patent

  14. Published

    Full-scale experimental investigation of the performance of a jet-assisted rotary drilling system in crystalline rock

    Stoxreiter, T., Portwood, G., Gerbaud, L., Seibel, O., Essl, S., Plank, J. & Hofstätter, H., 6 Feb 2019, In: International Journal of Rock Mechanics and Mining Sciences. 115.2019, March, p. 87-98 12 p.

    Research output: Contribution to journal › Article › Research › peer-review

  15. 2018
  16. Published

    Sucker Rod String Rod Guide Service Life Estimation

    Langbauer, C., Permanschlager, T., Sirghii, V., Pavlov, M. & Hofstätter, H., 31 Oct 2018.

    Research output: Contribution to conference › Paper

  17. Published

    Sucker Rod String Rod Guide Service Life Estimation

    Langbauer, C., Sirghii, V., Permanschlager, T., Pavlov, M. & Hofstätter, H., 31 Oct 2018.

    Research output: Contribution to conference › Poster › Research

  18. Published

    Behavior Analysis of a Wire Rope Replacing Sucker Rods with Finite Element Simulation

    Fazeli Tehrani, F., Langbauer, C. & Hofstätter, H., 25 Oct 2018.

    Research output: Contribution to conference › Paper

  19. Published

    Hydraulic Concentric Tubular Pumping System for Unloading Gas Wells

    Langbauer, C., Vita, P., Jax, G. & Hofstätter, H., 25 Oct 2018.

    Research output: Contribution to conference › Paper › peer-review

  20. Published

    Sucker Rod Anti-buckling System to Enable Cost-Effective Oil Production

    Langbauer, C., Fruhwirth, R., Hartl, M. & Hofstätter, H., 25 Oct 2018.

    Research output: Contribution to conference › Paper › peer-review

  21. Published

    Bio Enhanced Energy Recovery Technology for Clean and Efficient Energy Production

    Langbauer, C., Hofstätter, H. & Mukhamedzianova, A., 23 Oct 2018.

    Research output: Contribution to conference › Paper

  22. Published

    Sucker Rod String Design Optimization Using an Innovative Finite Element Simulation Approach

    Langbauer, C., Antretter, T. & Hofstätter, H., 1 Sept 2018, In: Oil gas European magazine. 44.2018, III, p. 126-132 7 p.

    Research output: Contribution to journal › Article › Research › peer-review

  23. Published

    Bio Enhanced Energy Recovery Technology for clean and efficient Energy Production

    Mukhamedzianova, A., Langbauer, C., Eisner, P. & Hofstätter, H., 12 Jun 2018.

    Research output: Contribution to conference › Poster › Research

  24. Published

    Sophisticated Performance Evaluation of Sucker Rod Pumping Systems

    Langbauer, C., Eisner, P., Fazeli Tehrani, F., Fruhwirth, R. & Hofstätter, H., 12 Jun 2018.

    Research output: Contribution to conference › Poster › Research

  25. Published

    CFD Simulation einer neuartigen hydraulischen Untertagepumpe zur Förderung von Erdöl

    Langbauer, C., Vita, P., Jax, G. & Hofstätter, H., 15 May 2018, NAFEMS Conference Proceedings . p. 120-123

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  26. Published

    Sucker Rod String Design Optimization using an Innovative Finite Elements Simulation Approach

    Langbauer, C., Hofstätter, H. & Antretter, T., 24 Apr 2018, NAFEMS Nordic Tagungsband 2018. p. 71-73

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  27. Published

    Analysis and Simulation of a High-Performance Wire Rope as Continuous Sucker Rod String

    Fazeli Tehrani, F., Langbauer, C. & Hofstätter, H., 19 Apr 2018, DGMK - Tagungsbericht 2018. p. 583 588 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  28. Published

    Analysis and Siulation of a High-Performance Wire Rope as Continuous Sucker Rod String

    Fazeli Tehrani, F., Langbauer, C. & Hofstätter, H., 19 Apr 2018.

    Research output: Contribution to conference › Poster › Research

  29. Published

    Sucker Rod String Design Optimization using an Innovative Finite Elements Simulation Approach

    Langbauer, C., Hofstätter, H. & Antretter, T., 19 Apr 2018, DGMK Tagungsbericht 2018. p. 227 237 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  30. Published

    Hydraulic Concentric Tubular Pumping System for lifting Oil in EOR Completions

    Langbauer, C., Vita, P., Jax, G. & Hofstätter, H., 28 Mar 2018. 11 p.

    Research output: Contribution to conference › Paper

  31. Published

    Reciclado de sólidos de orificios de perforación en polímeros

    Hofstätter, H. (Inventor) & Holzer, C. (Inventor), 16 Jan 2018, IPC No. C08K 3/ 34 A I, Patent No. ES2650001T, Priority date 14 Sept 2012, Priority No. WO2012EP68165

    Research output: Patent

  32. Published

    RECYCLING OF BOREHOLE SOLIDS IN POLYMERS

    Hofstätter, H. (Inventor) & Holzer, C. (Inventor), 13 Jan 2018, Patent No. NO2756028T, Priority date 14 Sept 2012, Priority No. WO2012EP68165

    Research output: Patent

  33. Published

    Formation Breakdown Pressure Predicition with Artificial Neural Networks

    Kiss, A., Fruhwirth, R. K., Pongratz, R., Maier, R. & Hofstätter, H., 2018. 16 p.

    Research output: Contribution to conference › Paper

  34. 2017
  35. Published

    ENHANCED OIL RECOVERY FLUID COMPRISING POTASSIUM CARBONATE ASSOCIATED METHODS AND ARRANGEMENT

    Hofstätter, H. (Inventor), 17 Nov 2017, IPC No. C09K8/58 , Patent No. IN20177018852, Priority date 30 Oct 2014, Priority No. U.K.1419366.8

    Research output: Patent

  36. Published

    ENHANCED OIL RECOVERY FLUID COMPRISING POTASSIUM CARBONATE, ASSOCIATED METHODS AND ARRANGEMENT

    Hofstätter, H. (Inventor), 9 Nov 2017, IPC No. E21B 43/ 20 A I, Patent No. US2017321110, Priority date 29 Oct 2015, Priority No. WO2015EP75181

    Research output: Patent

  37. Published

    ФЛЮИД С СОДЕРЖАНИЕМ КАЛИЯ ДЛЯ ПОВЫШЕНИЯ НЕФТЕОТДАЧИ, СООТВЕТСТВУЮЩИЕ СПОСОБЫ И КОНСТРУКЦИИ

    Hofstätter, H. (Inventor), 31 Oct 2017, IPC No. C09K 8/ 58 A I, Patent No. EA201790947, Priority date 29 Oct 2015, Priority No. WO2015EP75181

    Research output: Patent

  38. Published

    FLÜSSIGKEIT MIT ERHÖHTER ÖLRÜCKGEWINNUNG MIT KALIUMCARBONAT, ZUGEHÖRIGE VERFAHREN UND ANORDNUNG

    Hofstätter, H. (Inventor), 6 Sept 2017, IPC No. C09K 8/ 58 A I, Patent No. EP3212731, Priority date 29 Oct 2015, Priority No. WO2015EP75181

    Research output: Patent

  39. Published

    The Application of Ultrasonic Technology for Cleaning Oil Contaminated Sand

    Xu, Y., Langbauer, C. & Hofstätter, H., 4 Apr 2017. 11 p.

    Research output: Contribution to conference › Paper

  40. 2016
  41. Published

    WELL TREATMENT FLUID COMPRISING CARBOHYDRATE BASED THICKENER SALT AND PROPPANT IN BASE LIQUID AND METHODS OF PREPARATION AND USE

    Hofstätter, H. (Inventor), 26 Aug 2016, IPC No. C09K8/66,C09K8/68,C09K8/90 , Patent No. IN201617012377 , Priority date 18 Sept 2013, Priority No. U.K.1316610.3

    Research output: Patent

  42. Published

    Ground Supporting Energy Recovery Medium with Carbohydrate-Based Thickener, Salt and Proppant in Base Liquid

    Hofstätter, H. (Inventor), 11 Aug 2016, IPC No. E21B 43/ 267 A I, Patent No. US2016230081, Priority date 18 Sept 2014, Priority No. WO2014EP69944

    Research output: Patent

  43. Published

    ЖИДКОСТЬ ДЛЯ ОБРАБОТКИ СКВАЖИН, СОДЕРЖАЩАЯ ЗАГУСТИТЕЛЬ НА ОСНОВЕ КАРБОГИДРАТА, СОЛЬ И РАСКЛИНИВАЮЩИЙ НАПОЛНИТЕЛЬ В БАЗОВОЙ ЖИДКОСТИ, И СПОСОБЫ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ

    Hofstätter, H. (Inventor) & Fruhwirth, R. (Inventor), 29 Jul 2016, IPC No. C09K 8/ 90 A I, Patent No. EA201690611, Priority date 18 Sept 2014, Priority No. WO2014EP69944

    Research output: Patent

  44. Published

    BOHRLOCHBEHANDLUNGSFLÜSSIGKEIT MIT VERDICKUNGSMITTEL AUF KOHLENHYDRATBASIS, SALZ UND STÜTZMITTEL IN EINER BASISFLÜSSIGKEIT SOWIE VERFAHREN ZUR HERSTELLUNG UND VERWENDUNG

    Hofstätter, H. (Inventor) & Hofstätter, H. (Inventor), 27 Jul 2016, IPC No. C09K 8/ 90 A I, Patent No. EP3046990, Priority date 18 Sept 2014, Priority No. WO2014EP69944

    Research output: Patent

  45. Published

    Well treatment fluid comprising carbohydrate-based thickener, salt and proppant in base liquid, and methods of preparation and use

    赫伯特·霍夫施泰特尔, H. (Inventor) & Hofstätter, H. (Inventor), 22 Jun 2016, IPC No. C09K 8/ 90 A I, Patent No. CN105705607, Priority date 18 Sept 2014, Priority No. WO2014EP69944

    Research output: Patent

  46. Published

    ENHANCED OIL RECOVERY FLUID COMPRISING POTASSIUM CARBONATE, ASSOCIATED METHODS AND ARRANGEMENT

    Hofstätter, H. (Inventor), 6 May 2016, IPC No. C09K 8/ 58 A I, Patent No. CA3001493, Priority date 29 Oct 2015, Priority No. WO2015EP75181

    Research output: Patent

  47. Published

    ENHANCED OIL RECOVERY FLUID COMPRISING POTASSIUM CARBONATE, ASSOCIATED METHODS AND ARRANGEMENT

    Hofstätter, H. (Inventor), 6 May 2016, IPC No. C09K 8/ 58 A I, Patent No. WO2016066773, Priority date 30 Oct 2014, Priority No. GB20140019366

    Research output: Patent

  48. Published

    Innovative Sucker Rod Anti-Buckling System (SRABS) Developed on a Pump Testing Facility to Postpone the Economic Limit of Mature Oil Fields and to Increase the Recovery Factor

    Langbauer, C. & Hofstätter, H., 22 Apr 2016, DGMK-Tagungsbericht 2016. 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  49. Published

    método de tratamento de um poço e fluido de perfuração

    Herbert, H. (Inventor) & Roland, K. (Inventor), 5 Apr 2016, IPC No. C09K 8/ 035 A I, Patent No. BRPI1014531, Priority date 17 Mar 2010, Priority No. WO2010EP53482

    Research output: Patent

  50. Published

    Die Tragweite der Bergbausicherheit in dürren Zeiten: Die Tragweite der Bergbausicherheit in dürren Zeiten

    Hofstätter, H., 2016.

    Research output: Contribution to conference › Presentation › Research

  51. Published

    Tiefe geothermische Energiegewinnung – Innovative Wege zur Optimierung

    Fruhwirth, R. K. & Hofstätter, H., 2016, In: Geomechanics and tunnelling = Geomechanik und Tunnelbau. 9, 5, p. 489-496 8 p.

    Research output: Contribution to journal › Conference article › peer-review

  52. 2015
  53. Published

    WELL TREATMENT FLUID COMPRISING CARBOHYDRATE-BASED THICKENER, SALT AND PROPPANT IN BASE LIQUID, AND METHODS OF PREPARATION AND USE

    Hofstätter, H. (Inventor), 26 Mar 2015, IPC No. C09K 8/ 90 A I, Patent No. WO2015040137, Priority date 18 Sept 2013, Priority No. GB20130016610

    Research output: Patent

  54. Published

    Modelling of Wellbore Heat Transfer for Gas Production

    Fruhwirth, R. K., Hofstätter, H. & Schwaiger, G., 2015, The 26th Symposium on Transport Phenomena.ISTP 26: Symposium Handbook. 8 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  55. Published

    Modelling of Wellbore Heat Transfer for Optimising Oil & Gas Production

    Fruhwirth, R. K. & Hofstätter, H., 2015, Pipeline Transportation - 2015: Proceedings. Ufa, Russia, p. 235-237 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  56. 2014
  57. Published

    Bio-Fracking Methode

    Hofstätter, H., 4 Dec 2014, In: WeinViertel MeinViertel. p. 14-14 1 p.

    Research output: Contribution to journal › Article › Research › peer-review

  58. Published

    Recycling of Borehole Solids in Polymers

    Hofstätter, H. (Inventor) & Holzer, C. (Inventor), 20 Nov 2014, IPC No. C08K 5/ 00 A I, Patent No. US2014343219, Priority date 14 Sept 2012, Priority No. WO2012EP68165

    Research output: Patent

  59. Published

    Fracking

    Hofstätter, H., 10 Aug 2014, In: Kurier. p. 3-3

    Research output: Contribution to journal › Article › Research › peer-review

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