Service Packer
A service packer in oil and gas refers to a type of packer used for various well intervention and maintenance operations. Unlike production packers that are primarily focused on zonal isolation during production.
PFT - RTTS Packer
The RTTS packer is a full-opening, hook wall packer used for testing, treating, and squeeze cementing operations.
PFT - HD Packer
The HD Retrievable Packer is a high pressure, full opening, compression set tool for squeeze cementing, acidizing, fracturing and other stimulation procedures.
PFT-DLT Packer
The DLT Compression-Set packer is designed for high-pressure, high-temperature work. The DLT includes positive rotational locks on all internal connections.
Unloader Valve
Another term for circulation valve, a downhole device that enables circulation through the tubing string and associated annulus.
PFT - UV
The Unloader valve provides a means of equalizing tubing and annulus pressures as well as a bypass to allow fluid to pass through the mandrel of the packer while running the tubing string in and out of the well.
Safety Joint
Another term for circulation valve, a downhole device that enables circulation through the tubing string and associated annulus.
PFT - RTS
The PFT-RTS safety joint is an optional emergency back off device. The safety joint releases the work string and tool above the packer if packer becomes stuck during operations.
PFT - SSJ
Shear-out Safety Joint enables the positive release of the tubing string in completions with expected retrieval challenges. The joint is used between packers in single, dual, and triple completions.
PFT - RSJ
Rotational Safety Joint enables the positive release of the tubing string in completions with expected retrieval difficulties. The joint is used between packers in single, dual, and triple completions
Storm Valve
A downhole valve that operates by fluid velocity and closes when the fluid flow from the well exceeds preset limits.
PFT - ASV
PFT - ASV storm valve is run above the PFT-RTTS packer, provides means to isolate the tubing below the packer and disconnect the running string by left hand rotation.
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