Extending thermal stability of calcium carbonate pills using sepiolite drilling fluid

Ali Ettehadi, Gursat Altun

Araştırma sonucu: ???type-name???Makalebilirkişi

4 Atıf (Scopus)

Özet

The aim is to investigate the plugging ability of sepiolite clay water base drilling fluids before and after CaCO3 added over a wide range of high permeable zones at high temperature and high pressure conditions, to verify the feasibility of CaCO3 as loss preventer material (LPM) into the sepiolite drilling mud. The rheology and loss tests at 27-204℃ and 2 070 or 6 895 kPa reveal that the sepiolite drilling mud shows good rheology and high solid suspension capability at all temperatures except 149℃, and low loss circulation at high temperature and high pressure. The Permeability Plugging Apparatus (PPA) experiment, in which the 10-90 µm permeable ceramic plate was simulated as formation, shows that the sepiolite drilling mud without CaCO3 can not plug the pores, while the sepiolite drilling mud with CaCO3 can plug the pores quickly and keep the CaCO3 particles suspended even at high temperature (up to 193℃). The PPA experiment results were proved by the analysis using SEM and ideal packing theory.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)446-455
Sayfa sayısı10
DergiShiyou Kantan Yu Kaifa/Petroleum Exploration and Development
Hacim44
Basın numarası3
DOI'lar
Yayın durumuYayınlandı - 23 Haz 2017

Bibliyografik not

Publisher Copyright:
© 2017, The Editorial Board of Petroleum Exploration and Development. All right reserved.

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