Full Bore Safety Joint
Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level full bore safety joint manufacturers and suppliers, with professional factory, we are able to produce API and oilfield rtts safety joint, dst safety joint, well testing safety joint, welcome to contact us.
Briefly Introduce:
The Full Bore Retrievable (RTTS) safety joint is an optional emergency backoff device. The safety joint releases the workstring and tools above the packer if the packer becomes stuck during operations.
To initiate the release of the safety joint, a tension sleeve must be parted by pulling on the workstring. For complete release, vertical and rotational movement must be applied.
The RTTS Safety Joint should be run on all special tool and DST jobs directly above the packer. The purpose of the safety joint is to provide a disconnect point in the tool string above the packer for removal of all equipment above that point if the work string becomes stuck and the Safety Joint can still be operated.
Features and Benefits
• Positive sequence of operation helps prevent premature release.
• Tools above it can be retrieved when string is stuck.
Specification
Casing
size/in
OD/ mm
ID/
mm
Working pressure
/ Mpa
Service
environment
Working
temperature
Connection
3 7/8”
70
Mud, Crude Oil,
Natural gas with
H2S and acid
--29oC ~
+204oC
EUE
IF
CAS
7 "-7 5/8"
127
57
8 5/8-13 3/8”
155.5
79
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