DEVICE AND METHOD FOR ISOLATING A SECTION OF A WELLBORE

• US 20100307774A1
• Filed: 01/22/2009
• Published: 12/09/2010
• Est. Priority Date: 01/24/2008
• Status: Abandoned Application

• Current Assignee: Well Technology AS
• Original Assignee: Well Technology AS
• Inventors: Tinnen, Bård Martin
• Application Number:
  US12/864,585
• Publication Number:
  US 20100307774A1
• Time in Patent Office: Days
• US Class Current: 166/387
• CPC Class Codes: E21B 23/06 for setting packers
• CPC Class Codes: E21B 33/124 Units with longitudinally-spaced plugs for isolating the intermediate space
• CPC Class Codes: E21B 33/1243 with inflatable sleeves

Abstract

The present disclosure relates to a device and a method for isolating a section of a wellbore, the device including a straddle packer (1) and associated systems (100, 10) for selectively setting of at least one upper packer element (2), at least one lower packer element (3) and at least one anchoring device (4) of the straddle packer (1), wherein at least one setting element (10) of the straddle packer (1) is operated independent from other setting elements (100).

Claims

1. A device for isolating a section of a wellbore, the device including a straddle packer and a setting tool for selectively setting of at least one upper packer element, at least one lower packer element and at least one anchoring device of the straddle packer, wherein the setting tool includes at least one setting element arranged for setting the at least one lower packer element, wherein the at least one lower packer element is operated independent from other setting elements by wireless communication means comprising a transmitter located in the setting tool (100) and a receiver located in the setting element.

2. The device according to claim 1, wherein the transmitter and the receiver includes a transceiver.

3. The device according to claim 1, wherein the axial length L1 of the setting tool is less than the axial length L2 of the straddle packer.

4. The device according to claim 1, wherein the axial length of the setting tool is less than three quarter of the axial length of the straddle packer.

5. The device according to claim 1, wherein the axial length of the setting tool is less than one half of the axial length of the straddle packer.

6. The device according to claim 1, wherein the axial length of the setting tool is less than one quarter of the axial length of the straddle packer.

7. The device according to claim 1, wherein at least one separate setting element is integrated in a portion of a tubular body of the straddle packer.

8. A method for isolating a section of a wellbore, the method including setting a straddle packer using a setting tool for selectively setting of at least one upper packer element, at least one lower packer element and at least one anchoring device of the straddle packer, wherein the method comprising operating the at least one lower packer element independent from other setting elements by means of a setting element that is controlled by a wireless communication means comprising a transmitter located in the setting tool and a receiver located in the setting element.

9. The method according to claim 8, wherein the setting tool has an axial length that is considerably less than the axial length of the straddle packer.