Nanoparticle-based drilling fluids for minimizing formation damage in HP/HT applications

Omar Mahmoud, Hisham A. Nasr-El-din, Zisis Vryzas, Vassilios C. Kelessidis

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

28 Citations (Scopus)

Abstract

Drilling fluid must fulfill various functions with a great impact on the drilling performance. Drilling fluid invasion can cause formation damage. Good quality mudcakes can prevent such damage. This research focuses on the lab techniques and performance results of testing innovative water-based drilling fluids containing nanoparticles (NPs) for minimizing formation damage at high-pressure/high-temperature (HP/HT) conditions. A couette type viscometer was used to examine the rheological properties of the drilling fluids tested in this research. Zeta potential measurements were conducted at different temperatures and concentrations to assess their stability and to investigate the role of charge potential. Indiana limestone outcrops were examined as the filter media for both static and dynamic filtration (up to 350°F and 500 psi) using a HP/HT dynamic filter press. The mudcakes were investigated using a computed-tomography (CT) scan, and Scanning Electron Microscopy-Energy Dispersive Spectroscopy (SEM-EDS). Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES) was used to measure the concentrations of key ions in the filtrate fluids. A significant reduction in the filtrate fluid volume was achieved when using ferric oxide NPs (-43% for 0.5 wt%) compared to that of the base fluid. However, adding silica NPs led to an increase in the filtrate volume and mudcake thickness. Increasing the NP concentration resulted in an increase in the fluid loss and mudcake thickness. The mudcakes consisted of two layers, as indicated by the CT scan analysis. 0.5 wt% was found to be the optimal NP concentration, which provides less agglomeration and a reduction in the mudcake permeability by -76.4%. At this concentration, the ICP-OES analysis showed a higher cation dissociation, which promoted the formation of a different clay platelet microstructure. At a higher NP concentration, a new layer of NPs was formed in the mudcake, which adversely affects the mudcake characteristics, as demonstrated by CT scan analysis and SEM-EDS elemental mapping. The rheological measurements indicated a good rheology at different temperatures and NP concentrations. Moreover, the NPs helped to stabilize the viscosity and yield stress at high temperatures (up to 200°F). Aging at 350°F for 16 hours showed that NP-based drilling fluids remain stable with minor changes in rheological properties. The obtained rheological data for various NPs is fitted to the classical drilling fluid rheological models to determine the best fit-model, which can then be applied to an efficient design. This research provides a comprehensive evaluation of improved water-based drilling fluids, using ferric oxide and silica NPs for HP/HT applications. The examined NPs have the potential to enhance drilling fluid properties, which provides more efficient drilling operations and less formation damage.

Original languageEnglish
Title of host publicationSociety of Petroleum Engineers - SPE International Conference and Exhibition on Formation Damage Control 2016
PublisherSociety of Petroleum Engineers (SPE)
Volume2016-January
ISBN (Electronic)9781613994412
Publication statusPublished - 2016
EventSPE International Conference and Exhibition on Formation Damage Control 2016 - Lafayette, United States
Duration: 24 Feb 201626 Feb 2016

Other

OtherSPE International Conference and Exhibition on Formation Damage Control 2016
CountryUnited States
CityLafayette
Period24/2/1626/2/16

Fingerprint

High temperature applications
Drilling fluids
drilling fluid
Nanoparticles
damage
tomography
Tomography
Fluids
fluid
Inductively coupled plasma
nanoparticle
Spectrometry
spectrometry
Energy dispersive spectroscopy
Drilling
Temperature
silica
scanning electron microscopy
spectroscopy
Silica

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Energy Engineering and Power Technology

Cite this

Mahmoud, O., Nasr-El-din, H. A., Vryzas, Z., & Kelessidis, V. C. (2016). Nanoparticle-based drilling fluids for minimizing formation damage in HP/HT applications. In Society of Petroleum Engineers - SPE International Conference and Exhibition on Formation Damage Control 2016 (Vol. 2016-January). Society of Petroleum Engineers (SPE).

Nanoparticle-based drilling fluids for minimizing formation damage in HP/HT applications. / Mahmoud, Omar; Nasr-El-din, Hisham A.; Vryzas, Zisis; Kelessidis, Vassilios C.

Society of Petroleum Engineers - SPE International Conference and Exhibition on Formation Damage Control 2016. Vol. 2016-January Society of Petroleum Engineers (SPE), 2016.

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

Mahmoud, O, Nasr-El-din, HA, Vryzas, Z & Kelessidis, VC 2016, Nanoparticle-based drilling fluids for minimizing formation damage in HP/HT applications. in Society of Petroleum Engineers - SPE International Conference and Exhibition on Formation Damage Control 2016. vol. 2016-January, Society of Petroleum Engineers (SPE), SPE International Conference and Exhibition on Formation Damage Control 2016, Lafayette, United States, 24/2/16.
Mahmoud O, Nasr-El-din HA, Vryzas Z, Kelessidis VC. Nanoparticle-based drilling fluids for minimizing formation damage in HP/HT applications. In Society of Petroleum Engineers - SPE International Conference and Exhibition on Formation Damage Control 2016. Vol. 2016-January. Society of Petroleum Engineers (SPE). 2016
Mahmoud, Omar ; Nasr-El-din, Hisham A. ; Vryzas, Zisis ; Kelessidis, Vassilios C. / Nanoparticle-based drilling fluids for minimizing formation damage in HP/HT applications. Society of Petroleum Engineers - SPE International Conference and Exhibition on Formation Damage Control 2016. Vol. 2016-January Society of Petroleum Engineers (SPE), 2016.
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