Boring or penetrating the earth – Processes – Boring with specific fluid
Patent
1993-05-21
1994-08-02
Bui, Thuy M.
Boring or penetrating the earth
Processes
Boring with specific fluid
E21B 4300
Patent
active
053336984
ABSTRACT:
A wellbore fluid (e.g., a drilling, completion, packer, or fracturing fluid) comprises (a) at least one additive selected from the group consisting of emulsifiers, wetting agents, viscosifiers, weighting agents, fluid loss control agents, proppants for use in hydraulically fracturing subterranean formations, and particulate agents for use in forming a gravel pack; and (b) a non-toxic white mineral oil having (i) an API gravity at 15.6.degree. C. (60.degree. F.) greater than 35, (ii) a content of compounds containing 14 or more carbon atoms of at least about 95 weight percent, and (iii) a pour point of at least about -30.degree. C. (-22.degree. F.).
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Bui Thuy M.
Frieman Shlomo R.
Union Oil Company of California
Wirzbicki Gregory F.
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