Automated back pressure valve lubricator system

Abstract

An automated Back Pressure Valve (BPV) lubricator system includes a lubricator having a lubricator shaft terminated in a BPV lubricator connection; one or more hydraulic pistons attached to the lubricator; a hydraulic motor attached to the lubricator shaft; and a control panel hydraulically connected to the one or more hydraulic pistons and hydraulic motor. The hydraulic pistons, when actuated, raise or lower the lubricator shaft terminated in the BPV lubricator connection. The hydraulic motor, when rotated, rotate the lubricator shaft clockwise or counter-clockwise. The control panel allows actuation of the one or more hydraulic pistons and rotation of the hydraulic motor.

What is claimed is: 
     
         1 . An automated Back Pressure Valve (BPV) lubricator system comprising:
 a lubricator comprising a lubricator shaft terminated in a BPV lubricator connection;   one or more hydraulic pistons attached to the lubricator, wherein the one or more hydraulic pistons, when actuated, raise or lower the lubricator shaft;   a hydraulic motor attached to the lubricator shaft, wherein the hydraulic motor, when rotated, rotate the lubricator shaft clockwise or counter-clockwise; and   a control panel hydraulically connected to the one or more hydraulic pistons and hydraulic motor, wherein the control panel allows actuation of the one or more hydraulic pistons and rotation of the hydraulic motor.   
     
     
         2 . The BPV lubricator system of  claim 1  further comprising:
 two hydraulic pistons attached to the lubricator. 
 
     
     
         3 . The BPV lubricator system of  claim 1  further comprising:
 a bearing disposed between the hydraulic motor and the lubricator shaft. 
 
     
     
         4 . The BPV lubricator system of  claim 1 , wherein the control panel comprises:
 at least one analog component for actuating the one or more hydraulic pistons or rotating of the hydraulic motor.   
     
     
         5 . The BPV lubricator system of  claim 1 , wherein the control panel comprises:
 at least one digital component for actuating the one or more hydraulic pistons or rotating of the hydraulic motor.   
     
     
         6 . The BPV lubricator system of  claim 5 , wherein the control panel further comprises:
 an electronic display for displaying data from the at least one digital component.   
     
     
         7 . The BPV lubricator system of  claim 6  further comprising:
 at least one digital component for sensing at least one of torque, pressure, and position of the lubricator shaft, the hydraulic pistons, or the hydraulic motor, wherein the data sensed by the at least one digital component is communicated to the control panel and displayed on the electronic display. 
 
     
     
         8 . The BPV lubricator system of  claim 1 , further comprising:
 a support plate attached to the lubricator shaft at the end distal from the BPV lubricator connection,   wherein support plate is further attached to the one or more hydraulic pistons and the hydraulic motor such that actuation of the one or more hydraulic pistons raise or lower the support plate, lubricator shaft, and hydraulic motor simultaneously.   
     
     
         9 . The BPV lubricator system of  claim 8  further comprising:
 two hydraulic pistons attached to the lubricator. 
 
     
     
         10 . The BPV lubricator system of  claim 8 , wherein the one or more hydraulic pistons have a length that is the same as a length of the lubricator shaft. 
     
     
         11 . The BPV lubricator system of  claim 1 , further comprising:
 a hydraulic power system in hydraulic communication with the one or more hydraulic pistons and the hydraulic motor,   wherein the control panel is in communication with the hydraulic power system and controls the hydraulic power system such that actuation of the one or more hydraulic pistons or rotation of the hydraulic motor occurs.   
     
     
         12 . An automated Back Pressure Valve (BPV) lubricator system comprising:
 a lubricator comprising a lubricator shaft terminated in a BPV lubricator connection;   at least two hydraulic pistons attached to the lubricator, wherein the at least two hydraulic pistons, when actuated, raise or lower the lubricator shaft;   a hydraulic motor attached to the lubricator shaft, wherein the hydraulic motor, when rotated, rotate the lubricator shaft clockwise or counter-clockwise;   a control panel hydraulically connected to the at least two hydraulic pistons and hydraulic motor, wherein the control panel allows actuation of the at least two hydraulic pistons and rotation of the hydraulic motor;   a support plate attached to the lubricator shaft at the end distal from the BPV lubricator connection, wherein support plate is further attached to the at least two hydraulic pistons and the hydraulic motor such that actuation of the at least two hydraulic pistons raise or lower the support plate, lubricator shaft, and hydraulic motor simultaneously;   a bearing disposed between the hydraulic motor and the lubricator shaft; and   at least one digital component for sensing at least one of torque, pressure, and position of the lubricator shaft, the hydraulic pistons, or the hydraulic motor,   wherein the control panel comprises:   at least one analog component for actuating the one or more hydraulic pistons or rotating of the hydraulic motor;   at least one digital component for actuating the one or more hydraulic pistons or rotating of the hydraulic motor; and   an electronic display for displaying data from the at least one digital component,   wherein the data sensed by the at least one digital component is communicated to the control panel and displayed on the electronic display.   
     
     
         13 . The BPV lubricator system of  claim 12 , wherein the at least two hydraulic pistons have a length that is the same as a length of the lubricator shaft. 
     
     
         14 . The BPV lubricator system of  claim 13 , further comprising:
 a hydraulic power system in hydraulic communication with the one or more hydraulic pistons and the hydraulic motor,   wherein the control panel is in communication with the hydraulic power system and controls the hydraulic power system such that actuation of the one or more hydraulic pistons or rotation of the hydraulic motor occurs.   
     
     
         15 . The BPV lubricator system of  claim 14 , wherein the lubricator comprises packing that seals wellbore pressure around the lubricator shaft. 
     
     
         16 . The BPV lubricator system of  claim 15 , wherein the lubricator comprises a packing knot that holds the lubricator shaft in place so as to prevent any wellbore pressure from coming out of the lubricator system. 
     
     
         17 . A method of controlling engagement/disengagement of a Back Pressure Valve (BPV) lubricator system comprising a lubricator comprising a lubricator shaft terminated in a BPV lubricator connection, the method comprising:
 attaching one or more hydraulic pistons to the lubricator such that, when actuated, the one or more hydraulic pistons raise or lower the lubricator shaft;   attaching a hydraulic motor to the lubricator shaft such that, when rotated, the hydraulic motor rotates the lubricator shaft clockwise or counter-clockwise; and   hydraulically connecting a control panel to the one or more hydraulic pistons and hydraulic motor such that the control panel allows actuation of the one or more hydraulic pistons and rotation of the hydraulic motor,   wherein, for engagement, the hydraulic pistons are first actuated so as to mate the BPV lubricator connection with a tubing hanger of a wellhead and then, upon mating of the BPV lubricator connection with the tubing hanger of the wellhead, the hydraulic motor is rotated to make-up a threaded connection between the BPV lubricator connection and the tubing hanger of the wellhead;   wherein, for disengagement, the hydraulic motor is first rotated so as to break-out the threaded connection between the BPV lubricator connection and the tubing hanger of the wellhead and then, upon break-out of the BPV lubricator connection with the tubing hanger of the wellhead, the hydraulic pistons are actuated so as to separate the BPV lubricator connection from the tubing hanger of the wellhead.