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Inventor: Lekkerkerker; Henk
Address: Maarn, NL
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622430 |
Delayed-gelation solution |
November 24, 2009 |
| The invention concerns an aqueous delayed-gelation solution for use in hydrocarbon wells. According to the invention, the aqueous delayed-gelation solution a dissolved metal salt which, in use, hydrolyses to form a gel, wherein the solution contains suspended inorganic particles and |
| 7338922 |
Process fluid |
March 4, 2008 |
| A water-based, shear-thinning process fluid comprises bentonite, aluminium hydroxide particles, and salt. The median diameter (by weight) of the aluminium hydroxide particles does not exceed 2 .mu.m. |
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