Moveable bop transport skid

Abstract

A system for conducting a subterranean operation where the system can include a blowout preventer (BOP) stack, a chassis coupled to the BOP stack, and one or more transport devices coupled to the chassis and configured to transport the chassis and the BOP stack from a first location to a second location.

1 . A system for conducting a subterranean operation, the system comprising:
 a blowout preventer (BOP) stack;   a chassis coupled to the BOP stack; and   one or more transport devices coupled to the chassis and configured to transport the chassis and the BOP stack from a first location to a second location.   
     
     
         2 . The system of  claim 1 , wherein the first location is a first well head and the second location is a second well head, or wherein the first location is a well head and the second location is a test location for testing the BOP stack, or wherein the first location is a well head and the second location is a storage location, or wherein the first location is a test location for testing the BOP stack and the second location is the well head, or wherein the first location is the storage location and the second location is the test location for testing the BOP stack. 
     
     
         3 . The system of  claim 1 , wherein the chassis is configured to rotate the BOP stack, relative to the chassis, between horizontal and vertical positions. 
     
     
         4 . The system of  claim 3 , wherein the chassis further comprises a BOP alignment system, and wherein the BOP alignment system is configured to align the BOP stack to a well head. 
     
     
         5 . The system of  claim 4 , wherein the alignment of the BOP stack to the well head aligns a first flange of the BOP stack to a second flange of the well head, or wherein the alignment of the BOP stack to the well head aligns a bolt pattern of the first flange to a bolt pattern of the second flange, or wherein the alignment of the BOP stack comprises movement of the BOP stack in an X-Y plane relative to the chassis, with the BOP stack oriented in the vertical position, or wherein the alignment of the BOP stack comprises rotation of the BOP stack about a central axis of a first flange of the BOP stack, with the BOP stack oriented in the vertical position, or wherein the alignment of the BOP stack comprises the BOP stack being tilted relative to an X-Y plane of the chassis, with the BOP stack oriented in the vertical position, or wherein the alignment of the BOP stack comprises the BOP stack being lifted or lowered relative to the chassis, with the BOP stack oriented in the vertical position. 
     
     
         6 . The system of  claim 1 , wherein each of the one or more transport devices is a hydraulic walker. 
     
     
         7 . The system of  claim 6 , wherein the hydraulic walker is configured to lift the chassis from a surface and propel the chassis forward or backward. 
     
     
         8 . The system of  claim 1 , wherein each of the one or more transport devices is a continuous tread device. 
     
     
         9 . The system of  claim 8 , wherein the continuous tread device comprises a motor and a continuous tread, wherein the motor is configured to drive the continuous tread and propel the chassis forward or backward or in rotation, and wherein the continuous tread device is configured to lift and lower the chassis from and onto a surface. 
     
     
         10 . The system of  claim 8 , wherein the continuous tread device comprises a motor and a continuous tread, wherein the motor is configured to drive the continuous tread and propel the chassis forward or backward or in rotation, and wherein the continuous tread device is configured to support the chassis above a surface. 
     
     
         11 . A method for conducting a subterranean operation, the method comprising:
 mounting a blowout preventer (BOP) stack to a chassis, the chassis comprising one or more transport devices; and   moving, via the one or more transport devices, the chassis from a first location to a second location.   
     
     
         12 . The method of  claim 11 , further comprising:
 at the first location, receiving the BOP stack in a horizontal position; and   at the second location, rotating the BOP stack from the horizontal position to a vertical position; and   mounting the BOP stack to a well head.   
     
     
         13 . The method of  claim 11 , further comprising:
 at the first location, receiving the BOP stack in a horizontal position; and   at the second location, rotating the BOP stack from the horizontal position to a vertical position; and   testing the BOP stack, with the BOP stack having a test stump attached to the BOP stack.   
     
     
         14 . The method of  claim 11 , further comprising:
 at the first location, attaching the BOP stack to the chassis, removing the BOP stack from a well head in a vertical position, and rotating the BOP stack from the vertical position to a horizontal position; and   at the second location, transferring the BOP stack from the chassis to another transport device.   
     
     
         15 . The method of  claim 11 , further comprising rotating the BOP stack between a horizontal position and a vertical position. 
     
     
         16 . The method of  claim 15 , further comprising:
 at the first location, rotating the BOP stack from the vertical position to the horizontal position; and   at the second location, rotating the BOP stack from the horizontal position to the vertical position.   
     
     
         17 . The method of  claim 16 , further comprising:
 at the second location, aligning a first connection flange of the BOP stack with a second connection flange of a well head at the second location.   
     
     
         18 . The method of  claim 17 , wherein the aligning the BOP stack further comprises rotating the BOP stack relative to the chassis and the well head. 
     
     
         19 . The method of  claim 17 , wherein the aligning the BOP stack further comprises translating the BOP stack in an X-Y plane relative to the chassis and the well head, or wherein the aligning the BOP stack further comprises tilting the BOP stack relative to the chassis and the well head, or wherein the aligning the BOP stack further comprises aligning a first bolt pattern of the BOP stack with a second bolt pattern of the well head. 
     
     
         20 . The method of  claim 17 , wherein the aligning the BOP stack further comprises lowering the BOP stack relative to the chassis and the well head at the second location, thereby engaging the first connection flange with the second connection flange.