Completion system for gravel packing with zonal isolation

Patent metadata

Field	Value
Publication number	US-10145219-B2
Application number	US-201515106096-A
Country	US
Kind code	B2
Filing date	Jun 5, 2015
Priority date	Jun 5, 2015
Publication date	Dec 4, 2018
Grant date	Dec 4, 2018

Abstract

A wellbore completion system includes a tubular positioned in the wellbore such that an annulus is created between the tubular and a portion of the wellbore. The system further includes a gravel pack packer, a first packer positioned downhole of the gravel pack packer, and a second packer positioned downhole of the first packer. The gravel pack packer and the first packer define a first zone in the annulus, and the first and second packers define a second zone in the annulus. A wash pipe is positioned within the tubular and is positionable in a first position to allow fluid communication between a first port and the first packer and a second port and the second packer. The wash pipe is positionable in a second position to allow fluid communication between the first port and the first zone and the second port and the second zone.

First claim

We claim:

1. A system for use in a wellbore, the system comprising:
a completion assembly extending into the wellbore such that a first annulus is created between the completion assembly and a portion of the wellbore;
a gravel pack packer adapted to seal between the completion assembly and a first, cased portion of the wellbore;
at least one isolation packer positioned downhole of the gravel pack packer, the at least one isolation packer adapted to seal between the completion assembly and a second, cased or uncased portion of the wellbore, the gravel pack packer and the at least one isolation packer when set creating at least one zone in the first annulus between the gravel pack packer and the isolation packer;
a wash pipe positioned within the completion assembly such that a second annulus is defined between the wash pipe and the completion assembly, the wash pipe having at least one port to allow fluid communication between an interior passage of the wash pipe and the second annulus;
wherein the at least one isolation packer comprises two or more isolation packers, each isolation packer cooperating with the gravel pack packer or another of the isolation packers to define one of the zones in the first annulus: and
wherein the at least one port of the wash pipe includes a plurality of ports and each port is associated with a different of the zones.

2. The system of claim 1 further comprising:
a valve operably associated with the wash pipe to allow or prevent fluid communication between the interior passage and the first annulus.

3. The system of claim 2 , wherein the valve is remotely activated.

4. The system of claim 1 further comprising:
a gravel delivery tube positioned external to the completion assembly, the gravel delivery tube allowing gravel delivery to the zone.

5. The system of claim 1 , wherein the wash pipe is positionable in a first position to allow fluid communication between each of the plurality of ports and a corresponding packer of the plurality of packers, wherein the wash pipe is positionable in a second position to allow fluid communication between each of the plurality of ports and a corresponding zone of the zones.

6. The system of claim 5 , wherein:
fluid communication between each of the plurality of ports and the corresponding packer of the plurality of packers further comprises fluid communication between each of the plurality of ports and a corresponding hydraulic port on each corresponding packer to deliver fluid to the corresponding packer such that a sealing element of the corresponding packer is set.

7. A system for use in a wellbore comprising:
a completion assembly having a gravel pack packer, the completion assembly positioned in the wellbore such that an annulus is created between the completion assembly and a portion of the wellbore;
a first packer associated with the completion assembly and positioned downhole of the gravel pack packer, the gravel pack packer and the first packer defining a first zone in the annulus between the gravel pack packer and the first packer;
a second packer associated with the completion assembly and positioned downhole of the first packer, the first packer and the second packer defining a second zone in the annulus between the first packer and the second packer;
a wash pipe positioned within the completion assembly and having at least two ports, the wash pipe positionable in a first position to allow fluid communication between the first port and the first packer and the second port and the second packer, the wash pipe positionable in a second position to allow fluid communication between the first port and the first zone and the second port and the second zone; and
a gravel delivery tube positioned external to the completion assembly, the gravel delivery tube allowing gravel delivery into at least one of the first zone and the second zone.

8. The system of claim 7 , wherein the wash pipe in the second position allows pressure equalization between the first zone and the second zone.

9. The system of claim 7 , wherein the first packer and the second packer are hydraulic packers.

10. The system of claim 9 , wherein:
fluid communication between the first port and the first packer further comprises fluid communication between the first port and a hydraulic port of the first packer to deliver fluid to the first packer such that a sealing element of the first packer is set; and
fluid communication between the first port and the first packer further comprises fluid communication between the first port and a hydraulic port of the first packer to deliver fluid to the first packer such that a sealing element of the first packer is set.

11. The system of claim 7 further comprising:
a valve operably associated with the wash pipe or the completion assembly to allow or prevent fluid communication between an interior passage of the wash pipe and the annulus.

12. The system of claim 7 , wherein a portion of the completion assembly in each of the first zone and the second zone includes a port to allow fluid communication between an interior of the completion assembly and the annulus, the system further comprising:
a screen assembly to prevent gravel of a selected size in each zone from entering the interior of the completion assembly.

13. A method of gravel packing a wellbore, the method comprising:
providing a completion assembly extending into the wellbore such that a first annulus is created between the completion assembly and a portion of the wellbore;
establishing at least two zones in the first annulus in the wellbore;
flowing a gravel slurry through the completion assembly to a first of the at least two zones to gravel pack the first zone of the at least two zones;
then flowing the gravel slurry to a second of the at least two zones to gravel pack the second zone of the at least two zones, wherein the first zone of the at least two zones is uphole of the second zone of the at least two zones; and
reducing an equivalent circulation density of fluid from the gravel slurry returning to a surface of the wellbore.

14. The method of claim 13 further comprising:
providing fluid communication between the at least two zones to reduce a pressure differential between the at least two zones.

15. The method of claim 13 , wherein establishing at least two zones further comprises:
setting a plurality of packers to seal between a completion assembly and a portion of the wellbore.

16. The method of claim 15 , wherein each of the at least two zones is
defined between two of the plurality of packers in an annulus between the completion
assembly and the portion of the wellbore.

17. The method of claim 15 further comprising:
providing a wash pipe within the completion assembly; and
wherein establishing at least two zones further comprises flowing fluid through the wash pipe to hydraulically set the plurality of packers.

18. The method of claim 15 further comprising:
providing a wash pipe within the completion assembly; and
wherein providing fluid communication between the at least two zones further comprises aligning ports in the wash pipe with the at least two zones such that fluid communication between the at least two zones is provided through the wash pipe.

19. The method of claim 13 , wherein flowing a gravel slurry to at least one of the zones further comprises:
flowing the gravel slurry to a first of the at least two zones; and
following gravel packing of the first of the at least two zones, flowing the gravel slurry to a second of the at l

Assignees

• Halliburton Energy Services Inc

Inventors

• Bourgneuf Patrick Patchi
• Penno Andrew David
• Coffin Maxime Philippe

Classifications

• E21B43/04 Primary

  Gravelling of wells · CPC title

• E21B43/14

  Obtaining from a multiple-zone well · CPC title

• E21B17/18

  Pipes provided with plural fluid passages {(E21B17/203 takes precedence)} · CPC title

• E21B33/12 Primary

  Packers; Plugs (used for cementing E21B33/134, E21B33/16) · CPC title

• E21B2034/005

  Fixed Constructions · mapped topic