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Application of nanotechnology for enhancing oil recovery presentation


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Application of nanotechnology for enhancing oil recovery presentation

  1. 1. CONSULTING ENGINEERS LIMITED Application of Nanotechnology for Enhancing Oil Recovery: Nanofluids/ Smart Fluids Dr. Narendra Kumar Agnihotra TCE QSTP-LLC, Doha, Qatar Email: Offshore Middle East Conference 21-23 January, 2013, Doha, Qatar
  2. 2. CONSULTING ENGINEERS LIMITED World Oil Scenario  Proven oil reserves currently stand at 1,197.7 billion barrels  ~ 81% of total proven oil reserve available in the world  ~ 7.0x1012 barrel of oil will remain in oilfields Source: OPEC Annual Statistical Bulletin, 2012
  3. 3. CONSULTING ENGINEERS LIMITED  Only 40-50% oil can be recovered through available technologies Secondary  Injecting fluids to increasing the pressure Tertiary  Injecting steam to heating oil and reduce viscosity  Pumping CO2 to reduce Pressure & reduce viscosity Other stages  Injecting Chemical agents/ Polymer Surfactants etc to reduce surface tension, wettability, interfacial tension etc Primarily  10-15% recovery by buoyancy force State of Art Technologies
  4. 4. CONSULTING ENGINEERS LIMITED What is Nanotechnology? 1 Nanometer = 10-9 meter - Billionth part of meter  Control / manipulation of materials on an atomic / molecular scale - Normally dealing with sizes of 1 to 100 nanometers - Fabrication of device / system within the nanometer length scale  Nanotechnology is Engineering with molecules and atoms
  5. 5. CONSULTING ENGINEERS LIMITED Applications: Oil & Gas Industry  Better Equipment  Nanotubes :Lighter, stronger and corrosion-resistant structural materials in platforms for offshore drilling  Silicon carbide, a ceramic powder, exceptionally hard materials harder, wear-resistant and more durable drilling equipment  Small drill-hole evaluation instruments to reduce drilling costs and to provide greater environmental sensitivity because of less drill waste.
  6. 6. CONSULTING ENGINEERS LIMITED  New Sensors for Improving Exploration  Reliable/economical sensors from optical fibers for measuring temperature, pressure, oil-flow rate and acoustic waves in oil wells  “Nanodust” to provide data on reservoir characterization, fluid-flow monitoring and fluid-type recognition.  Explore more oil reserves sites  Remove harmful toxic substances such as NOx, SOx and VOC from oil vapor and mercury, Cd,Pb from soil and water  Remove Controlled agglomeration of particles  Polyimide (PI)/TiO2 membranes for gas separation  Nano filters & Nano membranes Nano filters Sensors Applications: Oil & Gas Industry
  7. 7. CONSULTING ENGINEERS LIMITED Applications: Oil & Gas Industry  Ceramic and intermetallic nanocoatings : Nanomaterials coatings: Anti-wear for drilling parts, corrosion-resistance, wear- resistance, shock-resistance, enhanced thermal conductivity  Designer properties to enhance hydro- phobic or hydrophilic behavior, to enhance materials for waterflood applications roller-cone with bits for oil drilling  Catalysts :Nano-catalysts may also offer a solution for on-site upgrading of bitumen and heavy crude oil  Heavy oil will be converted into the light oil gas
  8. 8. CONSULTING ENGINEERS LIMITED What is Nanofluid/Smart fluid?  New class of fluids  Dilute liquid suspension of nanostructured materials (<100nm) in base fluid.  Not simply liquid –solid mixture  High Specific properties such as durable & stable suspension, no agglomeration & chemical change in fluid  Enhancing magnetic, electrical and thermal conductivity  Nanoemulsion as “Smart fluid”  Ferro fluids, suspension of nano-sized magnetic particles, are magnetically controllable smart fluids and used in improving oil recovery by enhancing surfactant flooding
  9. 9. CONSULTING ENGINEERS LIMITED Nanofluid/Smart fluid
  10. 10. CONSULTING ENGINEERS LIMITED Complex phenomenon of nanofluids  Promise large-scale performance gains from tight reservoirs  Efficiently Heavy crude oil exploration  Reduce surface tension in the range of 70-90% on oil boundary in comparison with active agent aqueous solution Nanofluids possess enhanced thermophysical properties  Thermal conductivity,  Thermal diffusivity,  Viscosity  Convective Heat transfer coefficients Nanofluids: Specific Properties Thermophysical Properties
  11. 11. CONSULTING ENGINEERS LIMITED Rheological curve of anionic surfactant aqueous solution without addition and with addition of nanoparticles  Viscosity of surfactant aqueous solution became more than double by adding the nanoparticles Flow Characteristic & Interfacial Tension  Presence of nanoparticles changes rheological properties and increases the effect of surfactant solutions on oil recovery processes  Presence of nanoparticles reduces the interfacial tension Source: Suleimanov et al, 2011, JPSE 78, 431–437
  12. 12. CONSULTING ENGINEERS LIMITED Chatzis & Morrow SPEJ (1994,561) Oil Recovery Vs Capillary Number  Wettability alteration, advanced drag reduction and binders for sand consolidation
  13. 13. CONSULTING ENGINEERS LIMITED Comparison of finite oil recovery, %OOIP (Original Oil in Place) from Homogeneous and Heterogeneous pore medium  In homogeneous medium, finite oil recovery increases 17% compared to water and 12% compared to surfactant solution Nanofluids: Improved Oil Recovery  Similarly, in heterogeneous medium, the finite oil recovery increases 17% and 22% compared to surfactant and water. Source: Suleimanov et al, 2011, JPSE 78, 431–437
  14. 14. CONSULTING ENGINEERS LIMITED Concluding Remarks  Nanoscience & Interfacial Engineering can lead to new development in Oil & Gas Industry  New surfactants, nanomaterials are required to recover the immobile oil from tight reservoir and to improve oil and gas production in an economical way.  Nanofluid can provided solutions for EOR from exhausted oil rigs  Nanocatalyst can help to increase the production of Upstream & downstream units with environment friendly approaches.  Extensive research required to improve the materials for oil & gas Industries.