PURPOSE
The No-Blow tool is a service tool that eliminates blowing gas and prevents pressure recorders from flowing up into the well bore. The tool comes into use during testing programs and in pipeline maintenance activities.
ASSEMBLY PARTS
1. Top Sub
2. Spring
3. End Cap
4. Shaft
5. Spring Retainer (x2)
6. Key Housing
7. Key
8. Cam
OPERATION
The No-Blow Tool is commonly ran in conjunction with a J Unlatching Head.
Attach the No-Blow Tool, as well as any accessories, to the tool string and lower carefully into the wellbore to desired depth. Set down on pre-ran No- Go and J off using a J Unlatching Tool. Remove the tool string from the wellbore.