Magnetically coupled subsurface safety valve

Abstract

Provided is a retrievable safety valve insert. The retrievable safety valve insert, in one aspect, includes an outer housing having a central bore, and a valve closure mechanism coupled to the outer housing proximate a downhole end of the central bore. The retrievable safety valve insert, in accordance with this aspect, further includes a bore flow management actuator disposed in the central bore, the bore flow management actuator configured to slide to move the valve closure mechanism between a closed state and an open state, and one or more safety valve insert magnets coupled to the bore flow management actuator, the one or more safety valve insert magnets configured to magnetically couple with one or more landing nipple magnets of a safety valve landing nipple to slide the bore flow management actuator and move the valve closure mechanism between the closed state and the open state.

What is claimed is: 
     
         1 . A safety valve landing nipple, comprising:
 a housing having a passageway extending from a first end to a second end thereof;   an isolated chamber located in the housing;   an actuator positioned within the isolated chamber; and   one or more landing nipple magnets coupled to the actuator within the isolated chamber, the one or more landing nipple magnets configured to move from a first landing nipple magnet state to a second landing nipple state when the actuator moves from a first actuator state to a second actuator state, the one or more landing nipple magnets configured to magnetically coupled to one or more safety valve insert magnets located in the passageway.   
     
     
         2 . The safety valve landing nipple as recited in  claim 1 , further including a power spring located in the isolated chamber and coupled to the one or more landing nipple magnets, the power spring configured to return the one or more landing nipple magnets from the second landing nipple magnet state to the first landing nipple magnet state. 
     
     
         3 . The safety valve landing nipple as recited in  claim 1 , further including a latch profile located in the passageway, the latch profile configure to engage with a latch of a retrievable safety valve insert. 
     
     
         4 . The safety valve landing nipple as recited in  claim 3 , wherein the latch profile is a first latch profile located proximate the first end, and further including a second latch profile located proximate the second end. 
     
     
         5 . The safety valve landing nipple as recited in  claim 1 , further including a polished bore receptacle located proximate the second end, the polished bore receptacle configured to engage with a seal of a retrievable safety valve insert. 
     
     
         6 . A well system, comprising:
 a wellbore extending through one or more subterranean formations;   production tubing disposed in the wellbore;   a subsurface safety valve (SSSV) disposed in line with the production tubing, the subsurface safety valve (SSSV) including:
 a safety valve landing nipple, the safety valve landing nipple including:
 a housing having a passageway extending from a first end to a second end thereof; 
 an isolated chamber located in the housing; 
 an actuator positioned within the isolated chamber; and 
 one or more landing nipple magnets coupled to the actuator within the isolated chamber, the one or more landing nipple magnets configured to move from a first landing nipple magnet state to a second landing nipple state when the actuator moves from a first actuator state to a second actuator state, the one or more landing nipple magnets configured to magnetically coupled to one or more safety valve insert magnets located in the passageway; and 
 
 a retrievable safety valve insert located within the safety valve landing nipple. 
   
     
     
         7 . The well system as recited in  claim 6 , further including a power spring located in the isolated chamber and coupled to the one or more landing nipple magnets, the power spring configured to return the one or more landing nipple magnets from the second landing nipple magnet state to the first landing nipple magnet state. 
     
     
         8 . The well system as recited in  claim 6 , further including a latch profile located in the passageway, the latch profile configure to engage with a latch of a retrievable safety valve insert. 
     
     
         9 . The well system as recited in  claim 8 , wherein the latch profile is a first latch profile located proximate the first end, and further including a second latch profile located proximate the second end. 
     
     
         10 . The well system as recited in  claim 6 , further including a polished bore receptacle located proximate the second end, the polished bore receptacle configured to engage with a seal of a retrievable safety valve insert. 
     
     
         11 . The well system as recited in  claim 6 , wherein the retrievable safety valve insert includes:
 an outer housing including a central bore extending axially through the outer housing, the central bore operable to convey subsurface production fluids there through;   a valve closure mechanism coupled to the outer housing proximate a downhole end of the central bore;   a bore flow management actuator disposed in the central bore, the bore flow management actuator configured to slide to move the valve closure mechanism between a closed state and an open state; and   one or more safety valve insert magnets coupled to the bore flow management actuator, the one or more safety valve insert magnets magnetically coupled with one or more landing nipple magnets of the safety valve landing nipple to slide the bore flow management actuator and move the valve closure mechanism between the closed state and the open state.   
     
     
         12 . The well system as recited in  claim 11 , wherein the retrievable safety valve insert further includes a landing nipple locking feature, the landing nipple locking feature including a sliding sleeve and one or more locking features, the one or more locking features configured to engage with one or more latch profiles in the safety valve landing nipple. 
     
     
         13 . The well system as recited in  claim 12 , wherein the sliding sleeve is configured to slide to move the one or more locking features from a radially retracted state to a radially extended state to engage with the one or more latch profiles in the safety valve landing nipple. 
     
     
         14 . The well system as recited in  claim 13 , wherein the outer housing entirely surrounds the bore flow management actuator and couples to and surrounds at least a portion of the landing nipple locking feature. 
     
     
         15 . The well system as recited in  claim 14 , wherein landing nipple locking feature is slidingly fixed to the bore flow management actuator. 
     
     
         16 . The well system as recited in  claim 14 , wherein the one or more locking features are configured to extend through the outer housing to engage with the one or more latch profiles in the safety valve landing nipple. 
     
     
         17 . The well system as recited in  claim 12 , wherein the landing nipple locking feature and the bore flow management actuator are separate and distinct features. 
     
     
         18 . The well system as recited in  claim 17 , wherein the one or more locking features are one or more first locking features for removably fixing the landing nipple locking feature to the safety valve landing nipple, and further including one or more second locking features located proximate a downhole end of the retrievable safety valve, the one or more second locking features configured to engage with one or more second latch profiles in the safety valve landing nipple. 
     
     
         19 . A method for assembling and operating a subsurface safety valve (SSSV), comprising:
 positioning a safety valve landing nipple disposed in line with production tubing in a wellbore, the safety valve landing nipple including:
 a housing having a passageway extending from a first end to a second end thereof; 
 an isolated chamber located in the housing; 
 an actuator positioned within the isolated chamber; and 
 one or more landing nipple magnets coupled to the actuator within the isolated chamber, the one or more landing nipple magnets configured to move from a first landing nipple magnet state to a second landing nipple state when the actuator moves from a first actuator state to a second actuator state, the one or more landing nipple magnets configured to magnetically coupled to one or more safety valve insert magnets located in the passageway; and 
   inserting a retrievable safety valve insert within the safety valve landing nipple located in the wellbore.   
     
     
         20 . The method as recited in  claim 19 , wherein the retrievable safety valve insert includes:
 an outer housing comprising a central bore extending axially through the outer housing, the central bore operable to convey subsurface production fluids there through;   a valve closure mechanism coupled to the outer housing proximate a downhole end of the central bore;   a bore flow management actuator disposed in the central bore, the bore flow management actuator configured to slide to move the valve closure mechanism between a closed state and an open state; and   one or more safety valve insert magnets coupled to the bore flow management actuator, the one or more safety valve insert magnets configured to magnetically couple with the one or more landing nipple magnets of the safety valve landing nipple to slide the bore flow management actuator and move the valve closure mechanism between the closed state and the open state.