High rate stimulation method for deep, large bore completions

Details High rate stimulation method for deep, large bore completions High rate stimulation method for deep, large bore completions

E - Fixed Constructions

21

B

E21B 43/267 (2006.01) E21B 21/10 (2006.01)

Patent

CA 2734351

A method of servicing a wellbore comprising inserting a first tubing member having a flowbore into the wellbore, wherein a manipulatable fracturing tool, or a component thereof, is coupled to the first tubing member and wherein the manipulatable fracturing tool comprises one or more ports configured to alter a flow of fluid through the manipulatable fracturing tool, positioning the manipulatable fracturing tool proximate to a formation zone to be fractured, manipulating the manipulatable fracturing tool to establish fluid communication between the flowbore of the first tubing member and the wellbore, introducing a first component of a composite fluid into the wellbore via the flowbore of the first tubing member, introducing a second component of the composite fluid into the wellbore via an annular space formed by the first tubing member and the wellbore, mixing the first component of the composite fluid with the second component of the composite fluid within the wellbore, and causing a fracture to form or be extended within the formation zone.

Linvention concerne un procédé dentretien dun puits de forage consistant à insérer un premier élément de tubage présentant un trou découlement dans le puits de forage, un outil de fracturation manipulable ou un élément constitutif de ce dernier étant accouplé au premier élément de tubage et loutil de fracturation manipulable comprenant un ou plusieurs orifices configurés de manière à modifier un écoulement de fluide à travers loutil de fracturation manipulable. Le procédé consiste également à positionner loutil de fracturation manipulable à proximité dune zone de formation à fracturer, à manipuler loutil de fracturation manipulable afin détablir une communication fluidique entre le trou découlement du premier élément de tubage et le puits de forage, à introduire un premier composant dun fluide composite dans le puits de forage par lintermédiaire du trou découlement du premier élément de tubage, à introduire un second composant du fluide composite dans le trou de forage par lintermédiaire dun espace annulaire formé par le premier élément de tubage et le trou de forage, à mélanger le premier composant du fluide composite au second composant du fluide composite à lintérieur du puits de forage, et à provoquer la formation ou lextension dune fracture dans la zone de formation.

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