Method and apparatus for fluid bypass of a well tool
View Patent ↗Apparatuses and methods to inject chemical stimulants ( 284 ) to a production zone ( 102, 202 ) through a string of production tubing ( 110, 210 ) around a downhole obstruction are disclosed. The apparatuses and methods include deploying an anchor seal assembly ( 200 ) to a landing profile ( 120, 220 ) located within a string of production tubing ( 110, 210 ). The anchor seal assembly ( 200 ) is in communication with a surface station through an injection conduit ( 260, 264 ) and includes a bypass pathway ( 262 ) to inject various fluids to a zone below.
1. A method to inject fluid into a well below a subsurface safety valve comprising:
deploying a subsurface safety valve to a string of production tubing, the string of production tubing including a landing profile, the subsurface safety valve including a flapper disc, an upper injection conduit and a lower injection conduit extending from the subsurface safety valve to a lower zone, said lower injection conduit in communication with the upper injection conduit through a bypass pathway of the subsurface safety valve;
engaging the subsurface safety valve into the landing profile;
extending an actuation conduit to the subsurface safety valve through a bore of the string of production tubing;
actuating the flapper disc between an open position and a closed position through the actuation conduit; and
injecting a fluid from a surface location to the lower zone through the upper injection conduit, the bypass pathway, and the lower injection conduit.
2. The method of claim 1 further comprising installing a check valve in the lower injection conduit to prevent fluids from flowing from the lower zone to the surface location.
3. The method of claim 1 wherein the fluid injected from the surface location to the lower zone is selected from the group consisting of surfactants, acids, corrosion inhibitors, scam inhibitors, hydrate inhibitors, paraffin inhibitors, and miscellar solutions.
4. The method of claim 1 wherein the lower zone is a production zone.
5. The method of claim 1 further comprising communicating bi-directionally through the upper injection conduit, the bypass pathway, and the lower injection conduit between the lower zone and the surface location.
6. The method of claim 1 further comprising communicating unidirectionally through the upper injection conduit, the bypass pathway, and the lower injection conduit from the surface location to the lower zone.
7. The method of claim 1 wherein the subsurface safety valve is deployed upon a distal end of the upper injection conduit.
8. A method to inject a fluid into a well comprising:
deploying a subsurface safety valve to a landing profile disposed in a string of production tubing installed in the well;
extending an actuating conduit to the subsurface safety valve through a bore of the string of production tubing;
operating a flapper disc of the subsurface safety valve with the actuating conduit;
installing a lower injection conduit to a distal end of the subsurface safety valve, the lower injection conduit in communication with an upper injection conduit through a bypass pathway; and
injecting the fluid from a surface location through the bypass pathway to a location below the subsurface safety valve in the well.
9. The method of claim 8 wherein the subsurface safety valve is deployed upon a distal end of the upper injection conduit.
10. A method to inject a fluid into a well comprising:
deploying an anchor seal assembly to a landing profile disposed in a string of production tubing installed in the well, said anchor seal assembly including an upper injection conduit and a lower injection conduit, the lower injection conduit connected to a distal end of the anchor seal assembly;
extending an actuating conduit to the anchor seal assembly through a bore of the string of production tubing;
operating a closure member valve of the anchor seal assembly with the actuating conduit; and
injecting the fluid from a surface location through a bypass pathway to a location below the anchor seal assembly in the well, said bypass pathway in communication with the upper injection conduit and the lower injection conduit.
11. The method of claim 10 wherein the anchor seal assembly is deployed upon a distal end of the upper injection conduit.
12. The method of claim 10 further comprising installing a check valve in the lower injection conduit to prevent fluids from flowing from the lower zone to the surface location.
13. The method of claim 10 wherein the fluid injected from the surface location to the lower zone is selected from the group consisting of surfactants, acids, corrosion inhibitors, scam inhibitors, hydrate inhibitors, paraffin inhibitors, and miscellar solutions.
14. The method of claim 10 wherein the lower zone is a production zone.
15. The method of claim 10 further comprising communicating bi-directionally through the upper injection conduit, the bypass pathway, and the lower injection conduit between the lower zone and the surface location.
16. The method of claim 10 further comprising communicating unidirectionally through the upper injection conduit, the bypass pathway, and the lower injection conduit from the surface location to the lower zone.
17. A method to inject fluid into a well below a subsurface safety valve comprising:
deploying a subsurface safety valve to a string of production tubing, the string of production tubing including a landing profile, the subsurface safety valve including an upper injection conduit and a lower injection conduit extending from the subsurface safety valve to a lower zone, said lower injection conduit in communication with the upper injection conduit through a bypass pathway of the subsurface safety valve;
engaging the subsurface safety valve into the landing profile;
injecting a fluid from a surface location to the lower zone through the upper injection conduit, the bypass pathway, and the lower injection conduit; and
communicating bi-directionally through the upper injection conduit, the bypass pathway, and the lower injection conduit between the lower zone and the surface location.
18. The method of claim 17 wherein the subsurface safety valve includes a flapper disc.
19. The method of claim 18 further comprising extending the actuation conduit to the subsurface safety valve through an annulus formed between the string of production tubing and a cased wellbore.
20. The method of claim 18 further comprising actuating the flapper disc between an open position and a closed position through an actuation conduit.
21. The method of claim 20 further comprising extending the actuation conduit to the subsurface safety valve through a bore of the string of production tubing.
22. The method of claim 17 further comprising installing a check valve in the lower injection conduit to prevent fluids from flowing from the lower zone to the surface location.
23. The method of claim 17 wherein the fluid injected from the surface location to the lower zone is selected from the group consisting of surfactants, acids, corrosion inhibitors, scam inhibitors, hydrate inhibitors, paraffin inhibitors, and miscellar solutions.
24. The method of claim 17 wherein the lower zone is a production zone.
25. The method of claim 17 further comprising communicating unidirectionally through the upper injection conduit, the bypass pathway, and the lower injection conduit from the surface location to the lower zone.
26. A method to inject a fluid into a well comprising:
deploying a subsurface safety valve to a landing profile disposed in a string of production tubing installed in the well;
installing a lower injection conduit to a distal end of the subsurface safety valve, the lower injection conduit in communication with an upper injection conduit through a bypass pathway;
injecting the fluid from a surface location through the bypass pathway to a location below the subsurface safety valve in the well; and
communicating bi-directionally through the upper injection conduit, the bypass pathway, and the lower injection conduit between the lower zone and the surface location.
27. The method of claim 26 further comprising operating a flapper disc of the subsurface safety valve with an actuating conduit.
28. The method of claim 27 further comprising extending the actuating conduit to the subsurface safety valve through a bore of the string of production tubing.
29. The method of claim 27 further comprising extending the actuating conduit to the subsurface safety valve through an annulus formed between the string of production tubing and a cased wellbore.
30. A method to inject a fluid into a well comprising:
deploying an anchor seal assembly upon a distal end of an upper injection conduit to a landing profile disposed in a string of production tubing installed in the well, said anchor seal assembly including a lower injection conduit, the lower injection conduit connected to a distal end of the anchor seal assembly;
injecting the fluid from a surface location through a bypass pathway to a location below the anchor seal assembly in the well, said bypass pathway in communication with the upper injection conduit and the lower injection conduit;
extending an actuating conduit to the anchor seal assembly through a bore of the string of production tubing; and
operating a closure member valve of the anchor seal assembly with the actuating conduit.
31. A method to inject a fluid into a well comprising:
deploying an anchor seal assembly upon a distal end of an upper injection conduit to a landing profile disposed in a string of production tubing installed in the well, said anchor seal assembly including a lower injection conduit, the lower injection conduit connected to a distal end of the anchor seal assembly;
injecting the fluid from a surface location through a bypass pathway to a location below the anchor seal assembly in the well, said bypass pathway in communication with the upper injection conduit and the lower injection conduit;
extending an actuating conduit to the anchor seal assembly through an annulus formed between the string of production tubing and a cased wellbore; and
operating a closure member valve of the anchor seal assembly with the actuating conduit.