Algum conteúdo deste aplicativo está indisponível no momento.
Se esta situação persistir, por favor entre em contato conoscoFale conosco & Contato
1. (WO2019064049) Liner for a wellbore
Nota: O texto foi obtido por processos automáticos de reconhecimento ótico de caracteres.
Para fins jurídicos, favor utilizar a versão PDF.

Claims

1. Liner for a wellbore having a sidewall in which one or more nozzles are formed, wherein the one or more nozzles are plugged by temporary plugs.

2. The liner according to claim 1 wherein the temporary plugs are removable by using a plugging medium that dissolves upon exposure to elevated temperature and/or an activation fluid, preferably an aqueous fluid.

3. The liner according to claim 1 wherein the temporary plugs are mechanical plugs that are removable by application of pressure cycles.

4. The liner according to anyone of claims 1 to 3 which comprises a liner top packer which isolates the liner top such that during operation all fluid flow is through the nozzles.

5. The liner according to anyone of claims 1 to 4 which comprises a liner shoe and a liner shoe shut off device, wherein the liner shoe shut off device allows circulation during displacement operations and subsequently isolates the liner shoe.

6. The liner according to claim 5 wherein the liner shoe shut off device can be shut by electronics activated by timer, RFID, pressure or flow.

7. The liner according to claim 5 wherein the liner shoe shut off device can be shut by mechanical means using pressure, actuation dart/ball or a combination of both.

8. A method of completing an open hole well that penetrates a subterranean formation in which a liner having a sidewall in which one or more nozzles are formed, wherein the one or more nozzles are plugged by temporary plugs, is deployed in the well such that the nozzles communicate with the formation.

9. The method according to claim 8 wherein a liner shoe shut off valve is deployed to allow initial fluid displacement through the liner with plugged nozzles.

10. The method according to claim 8 or 9 wherein after positioning of the liner the temporary plugs are removed from the nozzles.