Method of oil/gas well stimulation

Details Method of oil/gas well stimulation Method of oil/gas well stimulation

2005-02-01

2005-02-01

Tucker, Philip C. (Department: 1712)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S263000, C507S267000, C507S265000, C507S922000, C507S923000, C507S933000, C166S308200, C166S307000

Reexamination Certificate

active

06849582

ABSTRACT:
Stimulation, particularly fracturing or acidising, of hydrocarbon wells having bores leading to hydrocarbon bearing uses a fluid including a continuous phase of or including a compound of the formula (1): (R2)p—Ph—(CH2)m—COO—(AO)n—R1where R1, AO, n, m, Ph, R2and p having defined meanings and particularly where the esters are alkyl or alkenyl benzoate esters. These esters are beneficial by having a range of viscosities, especially extending to low viscosities, and attractive toxicological and environmental profiles for use in well stimulation.

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