5 1/2" Retrievable Safety Joint for 7" Casing Well Testing Opeation
5 1/2" RTTS Safety Joint for DST operation in well testing service
General information of the 5 1/2" Retrievable safety joint/ RTTS safety joint
The 5 1/2" Retrievable safety joint is an optional emergency backoff device. The 5 1/2"
Retrievable safety joint releases the workstring and toole the packer if the packer
becomes stuck during operations. The design of the 5 1/2" Retrievable safety joint
makes unintentional operation difficult. The 5 1/2" Retrievable safety joint is run
immediately above the RTTS packer so that the greatest number of tools above the
packer can be removed.
Technical parameter of the Retrievable Safety Joint
Size | OD/IN | ID/IN | Tensile rating/LB | Burst rating/LB |
4 1/2 to 5 1/2 | 3.68 | 1.90 | 95,000 | 11,500 |
7 to 7 5/8 | 5.00 | 2.44 | 164,000 | 12,000 |
8 5/8 to 13 3/8 | 6.12 | 3.12 | 301,000 | 13,700 |
ZZ TOP's facility for DST tools
ZZ TOP OIL TOOLS is specialized in manufacturing for the drill stem testing tools and surface testing equipment. All the DST tools are conformed with NACE MR 0175 with traceability,and the DST tools can be worked in H2S & CO2 above 175 F and full H2S, also with the skilled and experienced engineers, we can design the drill stem testing tools as per customer's well condition. Moreover, we supply the training in our factory and operation instruction at the well site. The DST tools are exported to USA, Brazil,Colombia, India, Pakistan, Iran etc. and enjoy the good reputation from the customers.
