Precipitated particles and wellbore fluids and methods relating thereto
US9410065B2 · kind B2 · utility
4Cited by
70References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2013 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Jul 19, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of using precipitated particles in a wellbore may comprise circulating a wellbore fluid in a wellbore penetrating a subterranean formation, the wellbore fluid having a density of about 7 ppg to about 50 ppg and comprising a base fluid and a plurality of precipitated particles having a shape selected from the group consisting of ovular, substantially ovular, discus, platelet, flake, toroidal, dendritic, acicular, spiked with a substantially spherical or ovular shape, spiked with a discus or platelet shape, rod-like, fibrous, polygonal, faceted, star shaped, and any hybrid thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.