TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Elaboration of Some Clear Bore-Hole Fluids
(Elaborarea unor fluide limpezi de foraj pentru traversarea formaţiunilor productive)
Vol LVIII • No. 2/2006
Sorin Dobīrcianu, Lazăr Avram
Universitatea Petrol ? Gaze din Ploieşti, Bd. Bucureşti 39, Ploieşti
e-mail: lavram@upg-ploiesti.ro

 Keywords   drilling fluids; cost fluids; clear borehole fluids; environmental impact.

 Abstract
Laboratory tests have elaborated several types of clear borehole fluids that maintain their properties in time and at temperatures of 20 ? 80 C, have a strong inhibitive character and a reduced filtration. These types of fluids can be successfully used when crossing productive formations, as well as in the case of intervention operations on the wells.

 Rezumat
Prin testele de laborator efectuate s-au elaborat mai multe tipuri de fluide de foraj limpezi care īşi menţin proprietăţile īn timp şi īn domeniul de temperatură 20 ? 80 °C, prezintă caracter puternic inhibitiv şi au filtratul redus. Aceste tipuri de fluide pot fi utilizate cu succes atāt la traversarea formaţiunilor productive, cāt şi īn cazul operaţiilor de intervenţie la sonde.



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