Disintegrating plugs to delay production through inflow control devices

Patent metadata

Field	Value
Publication number	US-9920601-B2
Application number	US-201615043096-A
Country	US
Kind code	B2
Filing date	Feb 12, 2016
Priority date	Feb 16, 2015
Publication date	Mar 20, 2018
Grant date	Mar 20, 2018

Abstract

An apparatus for controlling a flow of a fluid between a wellbore tubular and a wellbore annulus includes an inflow control device having an opening in fluid communication with a bore of the wellbore tubular, a first particulate control device forming a first fluid stream conveyed to the inflow control device; and at least one degradable flow blocker blocking fluid flow through the inflow control device.

First claim

What is claimed is:

1. An apparatus for controlling a flow of a fluid between a wellbore tubular and a wellbore annulus, comprising:
an inflow control device configured to generate a predetermined pressure drop in the flowing fluid, the inflow control device having a first opening in fluid communication with a bore of the wellbore tubular and a second opening;
a particulate control device in fluid communication with the inflow control device via the second opening and having at least one opening in fluid communication with the wellbore annulus; and
at least one degradable flow blocker blocking fluid flow between the at least one opening of the particulate control device and the second opening of the inflow control device, wherein the at least one degradable flow blocker blocks all fluid flow between the at least one opening of the particulate control device and the second opening of the inflow control device.

2. The apparatus of claim 1 , wherein the inflow control device includes at least one passage communicating all fluid flow between the particulate control device and the first opening of the inflow control device, and wherein the at least one degradable flow blocker forms a fluid seal in the at least one passage.

3. The apparatus of claim 1 , wherein the at least one degradable flow blocker physically engages and seals the second opening.

4. The apparatus of claim 1 , wherein the at least one degradable flow blocker is positioned inside the second opening.

5. The apparatus of claim 1 , wherein the at least one degradable flow blocker is formed at least partially of a material that degrades in response to one of: (i) an applied stimulus, and (ii) an encountered environmental condition.

6. The apparatus of claim 5 , wherein the degradation includes at least one of: (i) oxidizing, (ii) dissolving, (iii) melting, and (iv) fracturing.

7. The apparatus of claim 3 , wherein the disintegration is in response to: (i) applied thermal energy, (ii) contact with a naturally occurring substance, and (iii) a substance introduced from a surface location.

8. The apparatus of claim 1 , wherein the at least one degradable flow blocker includes a plurality of degradable flow blockers, wherein the inflow control device includes a plurality of openings in fluid communication with the particular control device, the second opening being one of the plurality of openings, and wherein a flow blocker of the plurality of degradable flow blockers is affixed inside each of the plurality of openings.

9. A method for controlling a flow of a fluid between a wellbore tubular and a wellbore annulus, comprising:
configuring an inflow control device to generate a predetermined pressure drop the fluid flowing through the inflow control device, the inflow control device having a first opening in fluid communication with a bore of the wellbore tubular and a second opening;
enabling fluid communication between the inflow control device and a particulate control device having at least one opening in fluid communication with the wellbore annulus; and
temporarily blocking fluid flow between the at least one opening of the particulate control device and the second opening of the inflow control device using at least one degradable flow blocker.

10. The method of claim 9 , wherein the at least one degradable flow blocker blocks all fluid flow between the at least one opening of the particulate control device and the inflow control device.

11. The method of claim 9 , further comprising installing the at least one degradable flow blocker in inflow control device, wherein the installation is done before the inflow device and the particulate control device are positioned in a wellbore.

12. The method of claim 9 , wherein the at least one degradable flow blocker is formed at least partially of a material that disintegrates in response to one of: (i) an applied stimulus, and (ii) an encountered environmental condition.

13. The method of claim 12 , further comprising introduce a substance from a surface location to disintegrate the at least one degradable flow blocker.

Assignees

• Baker Hughes Inc
• Baker Hughes A Ge Co Llc

Inventors

• Carrejo Nicholas
• Hightower Adriana
• Abdelfattah Tarik
• Macklin Nadine

Classifications

• E21B43/12 Primary

  Methods or apparatus for controlling the flow of the obtained fluid to or in wells (E21B43/25 takes precedence; valve arrangements E21B34/00) · CPC title

• E21B2200/08

  Down-hole devices using materials which decompose under well-bore conditions · CPC title