Patent · US Active

Acid soluble defluidizing pills

US10030190B2 · kind B2 · utility

1Cited by

0References

11Claims

0Family size

Assignee

M-I L.L.C. · US

Inventors

Jorge Arias Prada · Katy, US
Steven Young · Cypress, US
Quanxin Guo · Sugar Land, US
John D. Moffitt · Sugar Land, US

Key dates

Filing date	Jul 1, 2013
Grant date	Jul 24, 2018
Priority date	—
Expiry date	Oct 25, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2208/08
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

An acid soluble defluidizing pill for reducing fluid loss in a wellbore is provided that includes an oleaginous or non-oleaginous base fluid; at least one synthetic fiber; and at least one inorganic crystalline fiber; in which one or more of the synthetic fiber and the inorganic crystalline fiber are at least substantially acid soluble.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.