Blar i Department of Petroleum Engineering på emneord "boreteknologi"

Viser treff 41-60 av 174

    • Cost and duration estimation for deep enhanced geothermal system well 

      Maita Pozo, Juan Carlos (Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013)
      Geothermal energy is today recognized as a weather independent and stable energy source with significant potential. The high cost of drilling long-reach wells is a key bottleneck and a show stopper for the realization of ...

    • Creep behavior and loading rate dependency of chalks 

      Nnaemeka, Uwaezuoke (Masteroppgave/UIS-TN-IPT/2009;, Master thesis, 2009)
      ‘‘Mechanically high porosity chalks behave as frictional materials, but with an end-cap reflecting pore collapse failure, and the mechanical properties of chalk are strongly dependent on the type of fluid in the pores’’ ...

    • Cuttings transport in inclined and horizontal wellbore 

      Ranjbar, Roozbeh (Masteroppgave/UIS-TN-IPT/2010;, Master thesis, 2010)
      Efficient cuttings transport and hole cleaning is very important for obtaining an effective drilling operation. In inclined and horizontal drilling, hole cleaning issues is a common and complex problem. This thesis explores ...

    • Deepwater Challenges & Well Control 

      Limanski, Ivan (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017)
      Deepwater challenges and well control problems are important drilling issues, as operators move into deeper waters and more challenging environments. The deepwater technology and the complexity of deepwater operations have ...

    • Deepwater operations - running and cementing casing with small clearances 

      Joar, Grimsrud (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      The petroleum demand is increasing and the line between success and failure is marginal. Thus, the drilling industry moves further into deeper waters, stretching the limits of engineering, economics and new technology to ...

    • Depleted reservoir drilling : a study of the Ula field in the North Sea 

      Jokela, Tommy (Masteroppgave/UIS-TN-IPT/2010;, Master thesis, 2010)
      Ula is an oil field operated by BP in the southern part of the Norwegian North Sea. As the field matures depleted intervals are drilled to access remaining reserves. Drilling in highly mature fields is challenging, both ...

    • Depleted reservoir drilling: A North Sea HPHT case study 

      Dommersnes, Morten (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012-06)
      Drilling infill wells in HPHT fields can represent a severe challenge. Narrow drilling windows are prevailing in HPHT reservoirs, and pressure depletion will decrease this window even more. It may be critical to drill ...

    • Depth issues in the oil patch : a study of wellbore position uncertainty in the Ekofisk Field 

      Ajetunmobi, Moses Olaijuwon (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      The understanding of the subsurface geometrical position of the wellbore is crucial. The wellbore positioning data is relied upon by different disciplines or functional groups throughout the life of any given field. For ...

    • Development of an improved Nanoparticle-modified Water Based Drilling Fluid 

      Stanislaw, Wrobel (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)
      The objective was to improve conventional water based drilling fluid systems by the addition of nanoparticles. Experiments were conducted to evaluate whether addition of nanoparticles to the drilling fluid could improve ...

    • Development of methodology for testing paraffin dispersants 

      Rønningen Stensrud, Heidi (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)
      This thesis presents the development of a methodology for testing paraffin dispersants. Wax deposition is one of the main problems related to offshore production and transportation of crude oil. In the petroleum ...

    • Development of procedure and analysis of hard rock drilling 

      Omdal, Kjetil (Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-15)
      Over the last few years the petroleum industry have experienced a drastically increase in drilling costs. At the same time the oil prize has been highly unstable resulting in an increased focus on reducing drilling costs. ...

    • Ditch Magnet Performance 

      Moe Strømø, Kjartan (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-10)
      Magnetic shielding of the Measurement While Drilling (MWD) directional tools and damages to mud pumps, downhole tools and casing/drill-pipe are some of the main problems caused by steel and magnetic contaminated drilling ...

    • Downhole mechanical milling operations using low power drive systems (wireline tractor systems powered via an electric wireline) 

      Spinnangr, Martin (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-13)
      Wireline tractor milling is getting more common and it is expected continue to growing in the next decades. The technology will potentially take over more of the downhole milling marked, and its full potential will come ...

    • Drill bit selection and optimization in exploration well 6507/6-4a in the Nordland ridge area 

      Boryczko, Piotr (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      The primary objective of this thesis is to analyze and optimize drilling bits which were used to drill of an exploration offshore well in Norwegian Continental Shelf (NCS). The first part ot the thesis work reviews the ...

    • Drill bits optimization in the Eldfisk overburden 

      Belozerov, Dmitriy (Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-29)
      Drill bits are a part of the well program. It is the major tool that does a cutting/crushing action at the end of the drillstring and highly affects the overall drilling performance. The following aspects can be improved ...

    • Drill bits technology - introduction of the new kymera hybrid bit 

      Nguyen, Don Tuan (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      The early concepts of hybrid bits date back to the 1930’s but have only been a viable drilling tool with recent polycrystalline diamond compact technology. Improvements in drilling performance around the world continue to ...

    • Drill string oscillations during connections when drilling from a semi-submersible platform 

      Høie, Bjørnar (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      As the operational window is getting narrower, pressure control is becoming more important. Drilling from a semi-submersible platform can in this context offer new challenges as the top of the drill string will follow the ...

    • Drillbotics 2016: Management of drilling incidents while drilling heterogeneous formation rocks. 

      Alani, Omar (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-29)
      The purpose of the thesis is to analyse the abnormal incidents on the drill pipe. The reason for this research is to apply the learned theories into the reality by building an automated rig and detect the problems. Also, ...

    • Drilling efficiency and stability comparison between Tricone, PDC and Kymera drill bits 

      Karadzhova, Gergana Nikolova (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-15)
      The primary object of this thesis is to analyse and optimise the drill bits performance that used to drill on the Norwegian Continental Shelf. The three different types of bits that were utilized under drilling are described ...

    • Drilling operation efficiency 

      Lenning, Eivind (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-16)
      The petroleum industry on the Norwegian Continental Shelf is in a time with well construction time and cost as an increased challenging factor. The operators desire to discontinue this trend and are currently cutting cost. ...