Well injection systems
This patent describes a well system. It comprises: a casing in the well, the casing having perforations opposite and earth formation; a flow conduit in the casing; a packer on the flow conduit. The packer set in the casing above the formation; perforations below the packer in the casing, the perforations communicating the formation with the inside of the casing; a landing nipple in the flow conduit below the packer, the nipple having therein upper profile grooving, a seal bore below the grooving, a no-go landing shoulder below the bore, orienting pins below the shoulder, wall flow openings in the nipple below the pins, and smaller seal bore below the openings, the orienting pins above the lower seal bore; and mandrel means.
- Assignee:
- Otis Engineering Corp., Dallas, TX (USA)
- Patent Number(s):
- US 4921044; A
- Application Number:
- PPN: US 7-023237A
- OSTI ID:
- 6754573
- Resource Relation:
- Patent File Date: 9 Mar 1987
- Country of Publication:
- United States
- Language:
- English
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