Mechanically operated reverse cementing crossover tool

• US 10,392,898 B2
• Filed: 06/16/2016
• Issued: 08/27/2019
• Est. Priority Date: 06/16/2016
• Status: Active Grant

• Current Assignee: Weatherford Technology Holdings, LLC (Weatherford International PLC)
• Original Assignee: Weatherford Technology Holdings, LLC (Weatherford International PLC)
• Inventors: Giroux, Richard L., Evans, Eric R.
• Primary Examiner(s): Bates, Zakiya W
• Assistant Examiner(s): Miller, Crystal J
• Application Number:
  US15/184,885
• Publication Number:
  US 20170362915A1
• Time in Patent Office: 1,167 Days
• CPC Class Codes: E21B 2200/04 Ball valves
• CPC Class Codes: E21B 33/14 for cementing casings into boreholes
• CPC Class Codes: E21B 34/063 Valve or closure with destructible element, e.g. frangible disc E21B34/103 takes precedence
• CPC Class Codes: E21B 34/08 responsive to flow or pressure of the fluid obtained E21B34/10 takes precedence
• CPC Class Codes: E21B 34/103 with a shear pin
• CPC Class Codes: E21B 43/045 Crossover tools
• CPC Class Codes: E21B 43/10 Setting of casings, screens, liners or the like in wells

Abstract

A crossover tool for use in a wellbore includes: a tubular housing having a bypass port; a mandrel having a bore therethrough and a mandrel port in fluid communication with the mandrel bore, the mandrel movable relative to the tubular housing between a first position where the mandrel port is isolated from the bypass port and a second position where the mandrel port is aligned with the bypass port; and an actuator operable to move the mandrel between the first position and the second position. The actuator includes a first piston connected to the mandrel and a second piston operable in response to the first piston.

Claims

1. A crossover tool for use in a wellbore, comprising:

a tubular housing having a bypass port;

a mandrel having a bore therethrough and a mandrel port in fluid communication with the mandrel bore, the mandrel movable relative to the tubular housing between a first position where the mandrel port is isolated from the bypass port and a second position where the mandrel port is aligned with the bypass port;

an actuator operable to move the mandrel between the first position and the second position, comprising;

a first piston connected to the mandrel; and

a second piston operable in response to the first piston; and

a first seat disposed in the mandrel and operable to actuate the actuator.

2. The crossover tool of claim 1 further comprising:

a second mandrel having a bore therethrough and connected to the second piston; and

a second seat connected to the second mandrel and operable to actuate the actuator.

3. The crossover tool of claim 2, wherein:

the first seat and the second seat are configured to receive an obturating member;

an inner diameter of the first seat is the same or smaller than an inner diameter of the second seat; and

the first seat and the second seat are made from an extrudable or elastomeric material.

4. The crossover tool of claim 2, further comprising a third seat to form a first seat stack with the first seat and wherein an inner diameter of the third seat is the same or smaller than an inner diameter of the first seat.

5. The crossover tool of claim 1, wherein the second piston is movable in a direction opposite of a direction of the first piston.

6. The crossover tool of claim 1, wherein the mandrel further comprises a mandrel bypass port and wherein the mandrel bypass port is aligned with the bypass port of the tubular housing when the mandrel is in the first position.

7. The crossover tool of claim 6, wherein the mandrel bypass port is in fluid communication with a bypass passage of the mandrel.

8. A crossover tool for use in a wellbore, comprising:

a tubular housing having a bypass port;

a first mandrel having a bore therethrough and comprising;

a mandrel port;

a first seat; and

a first piston movable in a first direction between a first position where the mandrel port is isolated from the bypass port and a second position where the mandrel port is aligned with the bypass port and movable in response to the first seat receiving a first fluid blocking member; and

a second mandrel having a bore therethrough and comprising;

a second seat; and

a second piston movable in a second direction in response to the first piston.

9. The crossover tool of claim 8, further comprising a third seat to form a first seat stack with the first seat and wherein an inner diameter of the third seat is the same or smaller than an inner diameter of the first seat.

10. The crossover tool of claim 8, wherein the second direction is opposite of the first direction.

11. The crossover tool of claim 8, wherein:

the first seat and the second seat are configured to receive an obturating member;

an inner diameter of the first seat is the same or smaller than an inner diameter of the second seat; and

the first seat and the second seat are made from an extrudable or elastomeric material.

12. The crossover tool of claim 8, wherein the first mandrel further comprises a mandrel bypass port and wherein the mandrel bypass port is aligned with the bypass port of the tubular housing when the first piston is in the first position.

13. A method for cementing a liner string in a wellbore, comprising:

running a liner string and a crossover tool into the wellbore, the crossover tool comprising;

a first seat;

a first mandrel having a first piston and a mandrel port; and

a second piston;

landing a first obturating member in the first seat;

supplying pressure to a bore of the crossover tool to move the first piston;

moving the second piston in response to movement of the first piston;

shifting the crossover tool from a first position to a second position in response to landing the first obturating member in the first seat, wherein;

the mandrel port is isolated from a bypass port in the first position; and

the mandrel port is aligned with the bypass port in the second position; and

pumping cement through the crossover tool and into an annulus between the liner string and the wellbore.

14. The method of claim 13, wherein a bore of the crossover tool is closed in the second position.

15. The method of claim 13, further comprising:

landing a second obturating member in a second seat connected to the second piston;

supplying pressure to the bore of the crossover tool to move the second piston;

moving the first piston in response to movement of the second piston; and

shifting the crossover tool from the second position to the first position.

16. The method of claim 15, further comprising:

moving a bore valve of the crossover tool to a closed position in response to landing the first obturating member in the first seat; and

moving a stem valve of the crossover tool to an open position in response to landing the first obturating member in the first seat, wherein a bore of the stem valve is in fluid communication with a bypass passage of the first mandrel when the stem valve is in the open position.

17. The method of claim 16, further comprising:

moving the bore valve to an open position in response to landing the second obturating member in the second seat; and

moving the stem valve to a closed position in response to landing the second obturating member in the second seat.

18. The method of claim 16, further comprising:

after shifting the crossover tool to the second position, receiving drilling fluid through the open stem valve.

19. The method of claim 13, wherein the pumped cement enters the annulus between the liner string and the wellbore by moving through the mandrel port and the bypass port.

20. The method of claim 13, wherein the obturating member is selected from the group consisting of a ball, a dart, and a plug.