Well treatment fluid and method of manufacture

Details Well treatment fluid and method of manufacture Well treatment fluid and method of manufacture

E - Fixed Constructions

21

B

E21B 43/25 (2006.01) C09K 8/52 (2006.01) E21B 43/26 (2006.01) E21B 49/08 (2006.01)

Patent

CA 2308268

A method of producing a well treatment fluid. A crude oil is obtained that has been produced directly from a hydrocarbon bearing formation, the crude oil having hydrocarbons with between one and six carbon atoms and hydrocarbons having more than 20 carbon atoms. The crude oil is refined to remove substantially all hydrocarbons from the fluid where the hydrocarbons have fewer than six carbon atoms and to remove substantially all hydrocarbons where the hydrocarbons have more than 20 carbon atoms. A method of treating a well. Determe the type of contaminants clogging a well. Refine produced fluid from the well to remove heavier ends to produce a treatment fluid. Inject the treatment fluid into the well. A method of treating a well. Sample well fluid in the well at a downhole sample point to produce a downhole sample of the well fluid. Sample produced well fluid from the well at the surface to produce a surface sample of the well fluid. Analyze the downhole sample and the surface sample to determine well fluid contaminants lost from the well fluid in transit between the downhole sample point and the surface. Treat the well with a well treatment fluid based upon characteristics of the lost contaminants. Preferably, carry out these process at a well site.

Méthode permettant de produire un fluide de traitement de puits. Le pétrole brut est produit directement à partir d'une formation d'hydrocarbures, le pétrole brut comprenant de un à six atomes de carbone et les hydrocarbures comprenant plus de 20 atomes de carbone. Le pétrole brut est raffiné afin de supprimer de manière substantielle tous les hydrocarbures du fluide lorsque ces hydrocarbures comportent moins de six atomes de carbone et de supprimer de manière substantielle tous les hydrocarbures lorsque ces hydrocarbures comportent plus de 20 atomes de carbone. Méthode de traitement de puits. Déterminer le type de contaminants contenus dans un puits. Raffiner le fluide produit à partir d'un puits pour en supprimer les composants lourds afin de fabriquer un fluide de traitement. Injecter le fluide de traitement dans le puits. Méthode de traitement de puits. Échantillonner le fluide du puits en un point d'échantillonnage de fond pour produire un échantillon de fond du fluide du puits. Échantillonner le fluide du puits fabriqué à partir du puits à la surface pour fabriquer un échantillon de surface du fluide du puits. Analyser l'échantillon de fond et l'échantillon de surface pour déterminer la quantité de contaminants de fluide de puits perdue dans le fluide de puits lors de son transit entre le point d'échantillonnage de fonds et la surface. Traiter le puits avec un fluide de traitement de puits en se basant sur les caractéristiques des contaminants perdus. De préférence, effectuer ces processus sur le site du puits.

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