Claims
- 1. A subsurface tubing hanger apparatus, including:
- a tubular housing having a flow passage formed therethrough;
- means for connecting a string of well tubing below said tubular housing with said flow passages in communication with the bore of the well tubing;
- slip means movably mounted on said housing for releasably securing said tubular housing at a subsurface location in a well to support a string of well tubing connected therebelow in the well;
- means for moving said slip means between positions for securing said tubular housing in the well and for enabling movement of said tubular housing in the well, said means for moving including a first expansible setting chamber communicating with said flow passage through a first port for moving said slip means to secure said tubular housing in the well;
- a tubular stinger for sealingly engaging said flow passage for forming a flow passageway above said tubular housing;
- means for releasably connecting said stinger and said tubular housing to enable said stinger to sealingly engage said flow passage to block communication of well fluid pressure in said flow passage to said first port when said tubular housing is secured in the well; and
- said means for releasably blocking relative rotation is disengaged when said stinger moves to isolate said first port from the fluid pressure in said passageway.
- 2. A subsurface tubing hanger apparatus, including:
- a tubular housing having a flow passage formed therethrough;
- means for connecting a string of well tubing below said tubular housing with said flow passages in communication with the bore of the well tubing;
- slip means movably mounted on said housing for releasably securing said tubular housing at a subsurface location in a well to support a string of well tubing connected therebelow in the well;
- means for moving said slip means between positions for securing said tubular housing in the well and for enabling movement of said tubular housing in the well, said means for moving including a first expansible setting chamber communicating with said flow passage through a first port for moving said slip means to secure said tubular housing in the well;
- a tubular stinger for sealingly engaging said flow passage for forming a flow passageway above said tubular housing;
- means for releasably connecting said stinger and said tubular housing to enable said stinger to sealingly engage said flow passage to block communication of well fluid pressure in said flow passage to said first port when said tubular housing is secured in the well; and
- housing clutch means releasably mounted on said housing for blocking relative rotation of said housing clutch means enabling relative rotation of said housing clutch means to said housing when disengaged.
- 3. The tubing hanger as set forth in claim 2, wherein:
- said clutch means is disengaged when said slip means secure said tubing hanger in the well; and
- said stinger is released from said tubing hanger by reengaging said means for blocking relative rotation and rotating said housing clutch means to release said stinger.
Parent Case Info
This is a division of application Ser. No. 002,197, filed Jan. 9, 1979.
US Referenced Citations (3)
Divisions (1)
|
Number |
Date |
Country |
Parent |
2197 |
Jan 1979 |
|