SINGLE ENTRY FRACTURING PROCESS
A method is provided to provide fractures in a subterranean formation that utilizes set of first wire line controllable valves (108) to open communication between the inside of a casing (107) and an outside of a casing that has been cemented into a wellbore (101). A wire line controllable valve asso...
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Format | Patent |
Language | English French |
Published |
21.09.2017
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Abstract | A method is provided to provide fractures in a subterranean formation that utilizes set of first wire line controllable valves (108) to open communication between the inside of a casing (107) and an outside of a casing that has been cemented into a wellbore (101). A wire line controllable valve associated with each of the first valves isolates the inside of the casing downstream of the first valve. The two valves are operated by a wire line actuator. After each successive fracture is formed, the wire line actuator is moved past the next set of valve, changing their positions, and then the next fracture is formed. The valve isolating the downstream portions of the casing are either opened, milled out, or made of degradable material after the operation is complete to enable production from the formation through the fractures into the well bore.
L'invention concerne un procédé permettant de créer des fractures dans une formation souterraine qui utilise un ensemble de premières vannes à commande par câble (108) pour ouvrir la communication entre l'intérieur d'un tubage (107) et l'extérieur d'un tubage qui a été cimenté dans un puits de forage (101). Une vanne à commande par câble associée à chacune des premières vannes isole l'intérieur du tubage en aval de la première vanne. Les deux vannes sont actionnées par un actionneur à câble. Après la formation de chaque fracture successive, l'actionneur à câble est déplacé au-delà de l'ensemble de vannes suivant, ce qui modifie leur position, puis la fracture suivante est formée. Les vannes isolant les parties aval du tubage sont soit ouvertes, soit broyées, soit constituées de matériau dégradable après la fin de l'opération pour permettre la production à partir de la formation par les fractures dans le puits de forage. |
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AbstractList | A method is provided to provide fractures in a subterranean formation that utilizes set of first wire line controllable valves (108) to open communication between the inside of a casing (107) and an outside of a casing that has been cemented into a wellbore (101). A wire line controllable valve associated with each of the first valves isolates the inside of the casing downstream of the first valve. The two valves are operated by a wire line actuator. After each successive fracture is formed, the wire line actuator is moved past the next set of valve, changing their positions, and then the next fracture is formed. The valve isolating the downstream portions of the casing are either opened, milled out, or made of degradable material after the operation is complete to enable production from the formation through the fractures into the well bore.
L'invention concerne un procédé permettant de créer des fractures dans une formation souterraine qui utilise un ensemble de premières vannes à commande par câble (108) pour ouvrir la communication entre l'intérieur d'un tubage (107) et l'extérieur d'un tubage qui a été cimenté dans un puits de forage (101). Une vanne à commande par câble associée à chacune des premières vannes isole l'intérieur du tubage en aval de la première vanne. Les deux vannes sont actionnées par un actionneur à câble. Après la formation de chaque fracture successive, l'actionneur à câble est déplacé au-delà de l'ensemble de vannes suivant, ce qui modifie leur position, puis la fracture suivante est formée. Les vannes isolant les parties aval du tubage sont soit ouvertes, soit broyées, soit constituées de matériau dégradable après la fin de l'opération pour permettre la production à partir de la formation par les fractures dans le puits de forage. |
Author | FONSECA OCAMPOS, ERNESTO RAFAEL MOWAD, BENJAMIN CARLILE, JODDIE JOSEPH |
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DocumentTitleAlternate | PROCESSUS DE FRACTURATION A ENTREE UNIQUE |
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Notes | Application Number: CA20173017386 |
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RelatedCompanies | SHELL OIL COMPANY |
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Snippet | A method is provided to provide fractures in a subterranean formation that utilizes set of first wire line controllable valves (108) to open communication... |
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SubjectTerms | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
Title | SINGLE ENTRY FRACTURING PROCESS |
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