C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/524 (2006.01) E21B 37/06 (2006.01)
Patent
CA 2650334
Compositions are provided for removing an organic material, especially asphaltenes, from a portion of a wellbore or a subterranean formation. The composition comprises: (A) water, wherein the water is greater than 50% by volume of the composition; (B) an organic solvent blend that is immiscible with water, wherein the organic solvent comprises: (i) a non-polar organic solvent; and (ii) a polar organic solvent; and (C) a surfactant adapted for forming an emulsion of the organic solvent blend and the water. Methods are provided for removing an organic material from a portion of a wellbore or a subterranean formation. The method comprises the steps of: (A) forming a composition according to the invention; and (B) introducing the composition to the portion from which the organic material is to be removed.
L'invention concerne des compositions permettant de retirer une matière organique, en particulier des asphaltènes, d'une partie d'un puits de forage ou d'une formation souterraine. La composition comprend : (A) de l'eau représentant plus de 50 % en volume de la composition; (B) un mélange de solvant organique qui n'est pas miscible avec l'eau, le solvant organique comprenant (i) un solvant organique non polaire et (ii) un solvant organique polaire ; (C) un agent tensio-actif apte à former une émulsion du mélange avec le solvant organique et l'eau. L'invention concerne des procédés permettant de retirer une matière organique à partir d'un puits de forage ou d'une formation souterraine. Le procédé comprend les étapes consistant à (A) former une composition selon l'invention et (B) introduire la composition dans la partie d'où la matière organique doit être retirée.
Armesi Franco
Lightford Stephen Charles
Fetherstonhaugh & Co.
Halliburton Energy Services Inc.
LandOfFree
Compositions and methods for removal of asphaltenes from a... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Compositions and methods for removal of asphaltenes from a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Compositions and methods for removal of asphaltenes from a... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1997416