Well tool with sealing means
This patent describes a downhole well tool securable to tubular members for forming a section of a cylindrical fluid flow conduit within the well and for selective transmission of fluids therethrough between the interior and the exterior of the tool. It comprises: a housing; first and section threaded ends for securing the housing between companion ends of the tubular members; a fluid communication port disposed through the housing and between the threaded ends; one of the threaded ends being upstream of the port and the other of the threaded ends being downstream of the port; sealing means interiorly positioned around each of the tubular members and having a face in abutting relationship with the housing; a sleeve disposed interiorly of the housing; a closed position with the seal means disposed in a substantially enclosed region; and an open position with the seal means.
- Assignee:
- Baker Hughes, Inc., Houston, TX (United States)
- Patent Number(s):
- US 5156220; A
- Application Number:
- PPN: US 7-573581; TRN: 93-005131
- OSTI ID:
- 6780684
- Resource Relation:
- Patent File Date: 27 Aug 1990
- Country of Publication:
- United States
- Language:
- English
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