Hydraulically actuated well shifting tool
This patent describes a hydraulically actuated shifting tool for actuating a sliding member in a well tool. It comprises: a housing having a hydraulic fluid bore therein; shifting dog means positioned on the housing for movement away and toward the housing; locking dog means positioned on the housing for movement away and toward the body; shifting dog hydraulic actuating means in fluid communication with the bore for causing engagement of the shifting dogs with the sliding member; locking dog hydraulic actuating means in communication with the bore for causing engagement of the locking dogs with the locking means; and hydraulic shifting means in communication with the bore for causing relative movement between the shifting dog means and the locking dog means for shifting the sliding sleeve.
- Assignee:
- Camco Intl., Inc., Houston, TX (United States)
- Patent Number(s):
- US 5156210; A
- Application Number:
- PPN: US 7-724230
- OSTI ID:
- 6815200
- Resource Relation:
- Patent File Date: 1 Jul 1991
- Country of Publication:
- United States
- Language:
- English
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