Rigid Lock Setting Tool Flashcards
What are the visual indications on this tool?
The protector sleeve has 4 dashed and 1 solid black line at the bottom
What is the purpose of this tool?
It is used to run, set, test, and retrieve the rigid lock seal assembly
What are the shear pins in the tool for? What are they rated for and how many are there?
12 lower shear pins are used for setting to prevent the tool from stroking down prematurely. Rated to 2,500 lbs.
6 upper shear pins used for retrieval to prevent the tool from stroking up prematurely. Rated to 2,500 lbs
What is the setting force value(push down) of the tool at 4,500 psi?
460,000 lbs
What does the tool react against subsea?
The WHRT which is locked into the wellhead
How is the tool connected to the wellhead running tool?
The threaded sleeve on the WHRT lands in the RLST and is held in place with a clamp plate and 11 cap bolts
What kind of fluid is used when operating this tool?
540 hydraulic fluid is preferred but sea water can also be used though abrasive
How many gallons are needed to function the tool?
4.5 gallons
What must be done to set the tool up for retrieval?
Stroke the tool down and install the upper shear pins. Flip the green ring into retrieval mode. Remove the alignment key and test hose. Install the 1/2” line to the retrieval port.
What connects the test port of the tool?
A 3/8” hose connects from the tool to the test port on the RLSA via quick disconnect fitting
List the hydraulic ports and purpose.
Set - strokes tool down to set RLSA
Test - tests the a RLSA S-Seals
Retrieve - strokes the tool up to retrieve the RLSA
List the location and purpose of the seals on the rigid lock setting tool
Upper polypak - on OD of upper plate - seals upper cavity during setting
Lower polypak - on OD of inner sleeve - seals lower cavity during retrieval
Pipseal - on ID of outer sleeve - seals between upper and lower cavity
O-Rings - on ID of upper plate - seals between upper plate and inner sleeve to hold pressure during setting
What is the purpose of the anti-rotation key?
It aligns the RLST to the RLSA so that the test hose will line up and so that the tool and seal won’t rotate causing the test hose to disconnect
