Effect of MgO nanofluid injection into water sensitive formation to prevent the water shock permeability impairment

Ali Habibi, Mohammad A. Heidari, Hamoud Al-Hadrami, Adel Al-Ajmi, Yahya Al-Wahaibi, Shahab Ayatollahi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)

Abstract

Fines migration is the major reason for productivity decline known as formation damage in oil reservoirs. Sandstone formations are sensitive to brine salinity alteration which disturbs equilibrium condition in porous media. Because of nonequilibrium condition fines migration occurs during various operations. Nanoparticles seem to be good candidates to strengthen the attractive forces between fines and pore wall due to very small size, high specific surface area and electrical surface charge. In this experimental study, several tests were performed using Berea sandstone (8 wt% clays) cores (3 in. length and 1.5 in. diameter). MgO nanoparticles were stabilized in the water uniformly using surface active agent and ultrasonication. Total dimensionless energy of interaction between nano particles in the suspensions was calculated based on the DLVO theory. Various core flooding tests were conducted to determine the effect of MgO nanofluid injection as clay stabilizer at different brine salinities on the cores with the permeability from 600-100 md. The pressure drop across the core was measured. The results indicated that the MgO nanofluid could fix fines effectively where brine salinity became lower than CSC. Besides, measured zeta potential and total energy of interaction calculation confirmed that repulsive force became dominant at the specific concentration of the complex nanofluid which ensures its stability for long time during core flooding tests. Thus, MgO nanofluid significantly prevented water shock problem. Also, no significant reduction in permeability was noticed in any of core flood tests.

Original languageEnglish
Title of host publicationSociety of Petroleum Engineers - SPE International Oilfield Nanotechnology Conference 2012
Pages412-418
Number of pages7
Publication statusPublished - 2012
EventSPE International Oilfield Nanotechnology Conference 2012 - Noordwijk, Netherlands
Duration: Jun 12 2012Jun 14 2012

Other

OtherSPE International Oilfield Nanotechnology Conference 2012
CountryNetherlands
CityNoordwijk
Period6/12/126/14/12

Fingerprint

Water injection
permeability
brine
Sandstone
Water
Shock problems
salinity
Nanoparticles
flooding
Zeta potential
Surface charge
Surface-Active Agents
Specific surface area
clay
water
Pressure drop
Porous materials
Suspensions
Oils
pressure drop

ASJC Scopus subject areas

  • Geochemistry and Petrology

Cite this

Habibi, A., Heidari, M. A., Al-Hadrami, H., Al-Ajmi, A., Al-Wahaibi, Y., & Ayatollahi, S. (2012). Effect of MgO nanofluid injection into water sensitive formation to prevent the water shock permeability impairment. In Society of Petroleum Engineers - SPE International Oilfield Nanotechnology Conference 2012 (pp. 412-418)

Effect of MgO nanofluid injection into water sensitive formation to prevent the water shock permeability impairment. / Habibi, Ali; Heidari, Mohammad A.; Al-Hadrami, Hamoud; Al-Ajmi, Adel; Al-Wahaibi, Yahya; Ayatollahi, Shahab.

Society of Petroleum Engineers - SPE International Oilfield Nanotechnology Conference 2012. 2012. p. 412-418.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Habibi, A, Heidari, MA, Al-Hadrami, H, Al-Ajmi, A, Al-Wahaibi, Y & Ayatollahi, S 2012, Effect of MgO nanofluid injection into water sensitive formation to prevent the water shock permeability impairment. in Society of Petroleum Engineers - SPE International Oilfield Nanotechnology Conference 2012. pp. 412-418, SPE International Oilfield Nanotechnology Conference 2012, Noordwijk, Netherlands, 6/12/12.
Habibi A, Heidari MA, Al-Hadrami H, Al-Ajmi A, Al-Wahaibi Y, Ayatollahi S. Effect of MgO nanofluid injection into water sensitive formation to prevent the water shock permeability impairment. In Society of Petroleum Engineers - SPE International Oilfield Nanotechnology Conference 2012. 2012. p. 412-418
Habibi, Ali ; Heidari, Mohammad A. ; Al-Hadrami, Hamoud ; Al-Ajmi, Adel ; Al-Wahaibi, Yahya ; Ayatollahi, Shahab. / Effect of MgO nanofluid injection into water sensitive formation to prevent the water shock permeability impairment. Society of Petroleum Engineers - SPE International Oilfield Nanotechnology Conference 2012. 2012. pp. 412-418
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