Current Research Information SysTem In Norway
 
 

 English version


 
Hovedside
Forskningsresultater/NVI
Forskere
Prosjekter
Forskningsenheter
Logg inn
Om Cristin
 
 
   
Eksporter til


Viser treff 1-50 av 72 << Forrige 1 2    Neste >>

2019
1 Bakker, Steffen J.; Vrålstad, Torbjørn; Tomasgard, Asgeir.
An optimization model for the planning of offshore plug and abandonment campaigns. Journal of Petroleum Science and Engineering 2019 ;Volum 180. s. 369-379
NTNU SINTEF Untitled
 
2 Corina, Anisa Noor; Opedal, Nils van der Tuuk; Vrålstad, Torbjørn; Sangesland, Sigbjørn.
Cement Plug Sealing Studies of Silica Cement Systems. I: ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2019): Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology. ASME Press 2019 ISBN 978-0-7918-5887-5. s. -
NTNU SINTEF Untitled
 
3 Gheibi, Sohrab; Sangesland, Sigbjørn; Vrålstad, Torbjørn.
Numerical Modeling of Radial Fracturing of Cement Sheath Caused by Pressure Tests. I: ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2019): Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology. The American Society of Mechanical Engineers (ASME) 2019 ISBN 978-0-7918-5887-5. s. -
NTNU SINTEF Untitled
 
4 Opedal, Nils van der Tuuk; Cerasi, Pierre; Vrålstad, Torbjørn.
CEMENT BOND STRENGTH MEASUREMENTS. ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2019; 2019-06-09 - 2019-06-14
SINTEF Untitled
 
5 Skorpa, Ragnhild; Werner, Benjamin; Vrålstad, Torbjørn.
Effect of Mud on Cement Sheath Integrity. I: SPE Norway One Day. Society of Petroleum Engineers 2019 ISBN 978-1-61399-670-6. s. -
SINTEF Untitled
 
6 Skorpa, Ragnhild; Werner, Benjamin; Vrålstad, Torbjørn.
Effect of Rock on Cement Sheath Integrity: Shale vs. Sandstone. International Conference on Offshore Mechanics and Arctic Engineering (OMAE) [proceedings] 2019
SINTEF Untitled
 
2018
7 Bakker, Steffen J.; Vrålstad, Torbjørn; Aarlott, Mats Mathisen; Øia, Thomas.
Smart brønnplugging lønner seg. Dagens Næringsliv [Avis] 2018-08-06
NTNU SINTEF Untitled
 
8 Vrålstad, Torbjørn; Saasen, Arild; Fjær, Erling; Øia, Thomas; Ytrehus, Jan David; Khalifeh, Mahmoud.
Plug & abandonment of offshore wells: Ensuring long-term well integrity and cost-efficiency. Journal of Petroleum Science and Engineering 2018 ;Volum 173. s. 478-491
SINTEF UIS Untitled
 
9 Vrålstad, Torbjørn; Skorpa, Ragnhild; Saasen, Arild.
Rheological Properties of Barite Sediments in Water-Based Drilling Fluids. I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology. ASME Press 2018 ISBN 978-0-7918-5129-6. s. -
SINTEF UIS Untitled
 
10 Øia, Thomas; Aarlott, Mats Mathisen; Vrålstad, Torbjørn.
Innovative Approaches for Full Subsea P&A Create New Opportunities and Cost Benefits. SPE One Day Seminar Bergen; 2018-04-18 - 2018-04-18
SINTEF Untitled
 
2017
11 Khalifeh, Mahmoud; Saasen, Arild; Hodne, Helge; Godøy, Rune; Vrålstad, Torbjørn.
Geopolymers As an Alternative for Oil Well Cementing Applications: A Review of Advantages and Concerns. I: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology, Trondheim, Norway, June 25–30, 2017. ASME Press 2017 ISBN 978-0-7918-5776-2. s. -
SINTEF UIS Untitled
 
12 Khalifeh, Mahmoud; Saasen, Arild; Hodne, Helge; Godøy, Rune; Vrålstad, Torbjørn.
Geopolymers as an Alternative for Oil Well Cementing Applications: A Review of Advantages and Concerns. 36th International Conference on Ocean, Offshore & Arctic Engineering - OMAE 2017; 2017-06-25 - 2017-06-30
SINTEF UIS Untitled
 
13 Taghipour, Ali; Opedal, Nils van der Tuuk; Skorpa, Ragnhild; Vrålstad, Torbjørn.
Improved Laboratory Set-up for Pressurized and Confined Cement Sheath Integrity Tests. ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering; 2017-06-25 - 2017-06-30
SINTEF Untitled
 
14 Taghipour, Ali; Opedal, Nils van der Tuuk; Skorpa, Ragnhild; Vrålstad, Torbjørn.
Improved Laboratory Set-up for Pressurized and Confined Cement Sheath Integrity Tests. I: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology, Trondheim, Norway, June 25–30, 2017. ASME Press 2017 ISBN 978-0-7918-5776-2.
SINTEF Untitled
 
15 Vrålstad, Torbjørn.
What is the sealing ability of plugs?. SINTEF Petroleum Conference 2017; 2017-03-20 - 2017-03-21
SINTEF Untitled
 
2016
16 Aas, Bjarne; Sørbø, Jostein; Saasen, Arild; Godøy, Rune; Lunde, Øyvind; Vrålstad, Torbjørn.
Cement Placement with Tubing Left in Hole during Plug and Abandonment Operations. IADC/SPE Drilling Conference and Exhibition; 2016-03-01 - 2016-03-03
NORCE SINTEF UIS Untitled
 
17 De Andrade, Jesus; Sangesland, Sigbjørn; Skorpa, Ragnhild; Todorovic, Jelena; Vrålstad, Torbjørn.
Experimental laboratory setup for visualization and quantification of cement-sheath integrity. SPE Drilling & Completion 2016 ;Volum 31.(4) s. 317-326
NTNU SINTEF Untitled
 
18 Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Larsen, Helge Bøvik; Hodne, Helge.
Experimental study on the synthesis and characterization of aplite rock-based geopolymers. Journal of Sustainable Cement-Based Materials 2016 ;Volum 5.(4) s. 233-246
SINTEF UIS Untitled
 
19 Khalifeh, Mahmoud; Todorovic, Jelena; Vrålstad, Torbjørn; Saasen, Arild; Hodne, Helge.
Long-term durability of rock-based geopolymers aged at downhole conditions for oil well cementing operations. Journal of Sustainable Cement-Based Materials 2016 ;Volum 6.(4) s. 217-230
SINTEF UIS Untitled
 
20 Skorpa, Ragnhild; Vrålstad, Torbjørn.
Visualization and Quantification of Fluid Flow through Degraded Cement Sheaths. SPE Bergen One Day Seminar; 2016-04-20 - 2016-04-20
SINTEF Untitled
 
21 Skorpa, Ragnhild; Vrålstad, Torbjørn.
Visualization and Quantification of Fluid Flow through Degraded Cement Sheaths. I: SPE Bergen One Day Seminar, 20 April, Grieghallen, Bergen, Norway. Society of Petroleum Engineers 2016 ISBN 978-1-61399-464-1. s. -
SINTEF Untitled
 
22 Todorovic, Jelena; Raphaug, Martin Hagen; Lindeberg, Erik Gøsta Brun; Vrålstad, Torbjørn; Buddensiek, Maike-Liselotte.
Remediation of Leakage through Annular Cement Using a Polymer Resin: A Laboratory Study. Energy Procedia 2016 ;Volum 86. s. 442-449
SINTEF Untitled
 
23 Vrålstad, Torbjørn; Todorovic, Jelena; Saasen, Arild; Godøy, Rune.
Long-Term Integrity of Well Cements at Downhole Conditions. I: SPE Bergen One Day Seminar, 20 April, Grieghallen, Bergen, Norway. Society of Petroleum Engineers 2016 ISBN 978-1-61399-464-1.
SINTEF UIS Untitled
 
24 Vrålstad, Torbjørn; Todorovic, Jelena; Saasen, Arild; Godøy, Rune.
Long-term Integrity of Well Cements at Downhole Conditions. SPE Bergen One Day Seminar; 2016-04-20 - 2016-04-20
SINTEF UIS Untitled
 
2015
25 De Andrade Correia, Jesus Alberto; Sangesland, Sigbjørn; Todorovic, Jelena; Vrålstad, Torbjørn.
Cement Sheath Integrity During Thermal Cycling: A Novel Approach for Experimental tests of Cement Systems. I: SPE Bergen One Day Seminar 2015 - Seminar digital proceedings. Society of Petroleum Engineers 2015 ISBN 978-1-61399-384-2. s. -
NTNU SINTEF Untitled
 
26 Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Larsen, Helge Bøvik; Hodne, Helge.
Cap rock restoration in plug and abandonment operations; possible utilization of aplite-based geopolymers for permanent zonal isolation and well plugging. SPE Offshore Europe Conference and Exhibition; 2015-09-08 - 2015-09-11
SINTEF UIS Untitled
 
27 Moeinikia, Fatemeh; Fjelde, Kjell Kåre; Saasen, Arild; Vrålstad, Torbjørn.
SPE-173850-MS Essential Aspects in Probabilistic Cost and Duration Forecasting for Subsea Multi-Well Abandonment: Simplicity, Industrial Applicability and Accuracy. I: SPE Bergen One Day Seminar 2015 - Seminar digital proceedings. Society of Petroleum Engineers 2015 ISBN 978-1-61399-384-2. s. -
SINTEF UIS Untitled
 
28 Moeinikia, Fatemeh; Fjelde, Kjell Kåre; Saasen, Arild; Vrålstad, Torbjørn; Arild, Øystein.
A Probabilistic Methodology To Evaluate the Cost Efficiency of Rigless Technology for Subsea Multiwell Abandonment. SPE Production & Operations 2015 ;Volum 30.(4) s. 270-282
NORCE SINTEF UIS Untitled
 
29 Moeinikia, Fatemeh; Fjelde, Kjell Kåre; Sørbø, Jostein; Saasen, Arild; Vrålstad, Torbjørn.
A Study of Possible Solutions for Cost Efficient Subsea Well Abandonment. I: ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. ASME Press 2015 ISBN 978-0-7918-5647-5. s. -
NORCE SINTEF UIS Untitled
 
30 Todorovic, Jelena; Raphaug, Martin Hagen; Lindeberg, Erik Gøsta Brun; Vrålstad, Torbjørn; Buddensiek, Maike-Liselotte.
Remediation of Leakage Through Annular Cement. The 8th Trondheim Conference on CO2 Capture, Transport and Storage (TCCS-8); 2015-06-16 - 2015-06-18
SINTEF Untitled
 
2014
31 Albawi, Ali; De Andrade Correia, Jesus Alberto; Torsæter, Malin; Opedal, Nils van der Tuuk; Stroisz, Anna Magdalena; Vrålstad, Torbjørn.
Experimental Set-Up for Testing Cement Sheath Integrity in Arctic Wells. I: OTC Arctic Technology Conference, Texas, USA, 10-12 February 2014 - Conference Proceedings. Society of Petroleum Engineers 2014 ISBN 978-1-61399-355-2. s. -
NTNU SINTEF Untitled
 
32 De Andrade Correia, Jesus Alberto; Sangesland, Sigbjørn; Vrålstad, Torbjørn; Golan, Michael.
Cement Sheath Integrity Implications of Scaled-Down Wellbore Casing-Cement-Formation Sections. I: ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering Volume 5: Materials Technology; Petroleum Technology San Francisco, California, USA, June 8–13, 2014. ASME Press 2014 ISBN 978-0-7918-4545-5. s. -
NTNU SINTEF Untitled
 
33 De Andrade Correia, Jesus Alberto; Torsæter, Malin; Todorovic, Jelena; Opedal, Nils van der Tuuk; Stroisz, Anna Magdalena; Vrålstad, Torbjørn.
IADC/SPE 168012 - Influence of Casing Centralization on Cement Sheath Integrity During Thermal Cycling. I: IADC/SPE Drilling Conference and Exhibition, Texas, USA, 4-6 March 2014 - Conference Proceedings. Society of Petroleum Engineers 2014 ISBN 978-1-61399-296-8. s. -
NTNU SINTEF Untitled
 
34 Fatemeh, Moeinikia; Fjelde, Kjell Kåre; Saasen, Arild; Vrålstad, Torbjørn; Arild, Øystein.
Evaluating Cost Efficiency of Rigless P&A for Subsea Multiwell Campaign. I: IADC/SPE Drilling Conference and Exhibition, Texas, USA, 4-6 March 2014 - Conference Proceedings. Society of Petroleum Engineers 2014 ISBN 978-1-61399-296-8. s. -
NORCE SINTEF UIS Untitled
 
35 Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Hodne, Helge.
Potential utilization of class C fly ash-based geopolymer in oil well cementing operations. Cement & Concrete Composites 2014 ;Volum 53. s. 10-17
SINTEF UIS Untitled
 
36 Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Hodne, Helge.
Potential Utilization of Geopolymers in Plug and Abandonment Operations. I: SPE Bergen One Day Seminar, Bergen, Norway, 2 April 2014 - Conference Proceedings. Society of Petroleum Engineers 2014 ISBN 978-1-61399-323-1. s. -
SINTEF UIS Untitled
 
37 Lavrov, Alexandre; Stroisz, Anna Magdalena; Walle, Lars Erik; Stenebråten, Jørn; Torsæter, Malin; Vrålstad, Torbjørn; Cerasi, Pierre.
Investigation of near-well stability in a CO2 injection scenario. the SPE "Well Cementing, Filling the Gaps" Applied Technology; 2014-03-25 - 2014-03-27
NTNU SINTEF Untitled
 
38 Lavrov, Alexandre; Taghipour, Ali; Ytrehus, Jan David Mendelsohn; Mårdalen, Jostein; Lund, Hans Karl; Vrålstad, Torbjørn; Lund, Bjørnar; Carlsen, Inge Manfred; Saasen, Arild; Wold, Sturla; Abdollahi, Jafar; Torsvoll, A; Reyes, Angel; Næumann, Jørgen; Melchiorsen, Jens Christian; Skalle, Pål.
Numerical and experimental study of the stbility of non-circular boreholes in high-permeability formations. International Journal of Rock Mechanics And Mining Sciences 2014 ;Volum 68. s. 128-135
NTNU SINTEF UIS Untitled
 
39 Moeinikia, Fatemeh; Fjelde, Kjell Kåre; Saasen, Arild; Vrålstad, Torbjørn.
An Investigation of Different Approaches for Probabilistic Cost and Time Estimation of Rigless P&A in Subsea Multi-Well Campaign. I: SPE Bergen One Day Seminar, Bergen, Norway, 2 April 2014 - Conference Proceedings. Society of Petroleum Engineers 2014 ISBN 978-1-61399-323-1. s. -
SINTEF UIS Untitled
 
40 Opedal, Nils van der Tuuk; Todorovic, Jelena; Torsæter, Malin; Vrålstad, Torbjørn; Mushtaq, Waqas.
Experimental Study on the Cement-Formation Bonding. I: SPE International Symposium and Exhibition on Formation Damage Control 2014. Society of Petroleum Engineers 2014 ISBN 978-1-61399-303-3. s. -
NTNU SINTEF Untitled
 
41 Opedal, Nils van der Tuuk; Todorovic, Jelena; Torsæter, Malin; Vrålstad, Torbjørn; Mushtaq, Waqas.
SPE 168138-MS; Experimental Study on the Cement-Formation Bonding. SPE International Symposium and Exhibition on Formation Damage Control; 2014-02-26 - 2014-02-28
NTNU SINTEF Untitled
 
42 Opedal, Nils van der Tuuk; Torsæter, Malin; Vrålstad, Torbjørn; Cerasi, Pierre.
Potential Leakage Paths along Cement-Formation Interfaces in Wellbores; Implications for CO2 Storage. Energy Procedia 2014 ;Volum 51. s. 56-64
SINTEF Untitled
 
43 Torsæter, Malin; Opedal, Nils van der Tuuk; Vrålstad, Torbjørn; Cerasi, Pierre.
Integritet i CO2-brønner. CO2 konferansen 2014; 2014-01-09 - 2014-01-10
SINTEF Untitled
 
44 Torsæter, Malin; Vrålstad, Torbjørn.
Drilling av Well Challenges in the Arctic. Marine Technology Society journal 2014 ;Volum 48.(5) s. 76-80
SINTEF Untitled
 
45 Vrålstad, Torbjørn.
Cement sheath integrity during thermal cycling - Recent results from DrillWell research centre. Well Integrity Forum seminar; 2014-06-12 - 2014-06-12
SINTEF Untitled
 
2013
46 Moeinikia, Fatemeh; Saasen, Arild; Raksagati, Sanggi; Fjelde, Kjell Kåre; Vrålstad, Torbjørn.
Cost Effective P&A Approach for Wellhead Removal in Offshore Exploration Wells and Methodology for Comparing Alternatives. SPE Bergen One Day Seminar; 2013-04-10 - 2013-04-10
SINTEF UIS Untitled
 
47 Opedal, Nils van der Tuuk; Torsæter, Malin; Vrålstad, Torbjørn; Cerasi, Pierre.
Leakage of CO2along Cement-Formation Interfaces in Wellbores. 7th Trondheim CCS Conference; 2013-06-05 - 2013-06-06
SINTEF Untitled
 
48 Opedal, Nils van der Tuuk; Torsæter, Malin; Vrålstad, Torbjørn; Cerasi, Pierre.
Potential Leakage Paths along Cement-Formation Interfaces in wellbores; Implications for CO2 Storage. 7th Trondheim CCS Conference, TCCS-7; 2013-06-05 - 2013-06-06
SINTEF Untitled
 
49 Saasen, Arild; Fjelde, Kjell Kåre; Vrålstad, Torbjørn; Raksagati, Sanggi; Moeinikia, Fatemeh.
Plug and Abandonment of Offshore Exploration Wells. I: Offshore Technology Conference. Society of Petroleum Engineers 2013 ISBN 978-1-61399-241-8.
SINTEF UIS Untitled
 
50 Saasen, Arild; Hodne, Helge; Khalifeh, Mahmoud; Vrålstad, Torbjørn.
Techniques and Materials for North Sea Plug and Abandonment Operations. I: Offshore Technology Conference. Society of Petroleum Engineers 2013 ISBN 978-1-61399-241-8.
SINTEF UIS Untitled
 
    Vis neste liste