ZnO-clay nanocomposites for enhance drilling at HTHP conditions

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Zinc oxide (ZnO) has received lot of attention as a nanostructured material because of unique properties rendering it for various applications. Severe drilling problems like pipe sticking, formation damage and high torque and drag are common in extended reach hydrocarbon wells that limit the performance of drilling operations. Bentonite (MMT) is commonly used as a rheology modi fier, and attapulgite (ATP) has good Fann viscosity for use in drilling fluids, but both clays face the limitations of flocculation and instability at high temperature and pressure conditions (HTHP). ZnO-clay nanocomposites were formed by incorporating nano-ZnO in nano-modi fied MMT and ATP to maintain remarkable colloidal dispersion and superior rheology, thus enabling homogeneous drilling fluid recipes. ZnO-clay nanocomposites were characterized using scanning electron microscopy and X-ray diffraction. After successive laboratory investigations, drilling fluid compositions of certain proportions of water and MMT in the presence of ZnO-clay nanocomposite yielded perfect stability at high temperatures and pressure, i.e. stable drilling fluid rheology at HTHP conditions. The best-recorded results are reported in this paper, and the properties focused here are the plastic viscosity and yield point.

Original languageEnglish
Pages (from-to)970-974
Number of pages5
JournalSurface and Interface Analysis
Volume46
Issue number10-11
DOIs
Publication statusPublished - Oct 1 2014

Fingerprint

Zinc Oxide
Zinc oxide
drilling
zinc oxides
clays
Drilling fluids
Drilling
Nanocomposites
nanocomposites
Clay
Rheology
rheology
fluids
Viscosity
Bentonite
viscosity
Flocculation
bentonite
Hydrocarbons
Nanostructured materials

Keywords

  • Attapulgite
  • Bentonite
  • Drilling fluids
  • ZnO-clay nanocomposites

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Chemistry
  • Surfaces, Coatings and Films

Cite this

ZnO-clay nanocomposites for enhance drilling at HTHP conditions. / Abdo, J.; Zaier, R.; Hassan, E.; Al-Sharji, H.; Al-Shabibi, A.

In: Surface and Interface Analysis, Vol. 46, No. 10-11, 01.10.2014, p. 970-974.

Research output: Contribution to journalArticle

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