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Operational Procedure 56-45-27 15K Polished Bore Receptacle and 45-27 Seal Assembly, 32 Foot Stroke (P110) |
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Description of Assembled Components:
Item 1Part Number: 110-4500-200K Description: 56-45-27 Polished Bore Receptacle Material: P110, Teflon Debris Barrier, KRITE Chevron Packing Connection: 3-1/2" 12.95 PPF PH-6 Box by Pin Latch Thread: RH 4-3/4 4P Square Seal Bore: 4.500 Stroke: 32 Feet Shear Disconnect: (16) 10,000 Pound Shear Screws Min ID: 2.750 (Drift 2.703 x 18" Long) Rated: 15,000 psi @ 325 Deg F Description The 56-45-27 Polished Bore Receptacle is rated 15K and has a maximum stroke of 32 feet for extreme tubing movement during well treatment and production. The seal assembly consists of (1) Teflon Debris Barrier and (3) K-Rite Chevron Seal stacks. The seal assembly can be pinned to the PBR with a maximun of (16) 10,000 pound shear screws, reduced by removing screws. The number of screws used is determined by the weight of tubing below the PBR. The shear screws must be of sufficient strength to sustain the weight on the slick joint when running the entire assembly into the well bore. The shear screws can be sheared by applying an upward force. Well preparation Prior to running packer/completion ensure the well is clean by making a scraper run to remove scale and other materials from the casing wall. Follow scraper with gage ring and junk basket. Circulate 2/3 of the well's volume with solid free completion fluid. Casing should have 100% cement bond before running in the well. Never set packer in casing collar or where milling has occurred. Always set packer/completion in static well conditions (no fluid or gas movement). Operation The 56-45-27 PBR is used in conjunction with the 45-27 Hydro-Set Anchor Latch Seal Unit. The 45-27 Hydro-Set Anchor Latch Seal Unit is made up to the desired companion packer via left hand thread. Note the packer below must withstand 160,000 pounds of tension required to disconnect from PBR. The Anchor Latch/ Packer assembly is threaded to the lower end of the 56-45-27 PBR. The entire assembly can be run in and set on tubing string in one trip. The 56-45-27 PBR and packer assembly is run several feet below the desired depth. Pick up slowly to setting depth to remove slack from tubing. Slowly pressure tubing string to required psi to set packer. Overpull predetermined value and disconnect Seal Assembly from PBR. Shear Out Subs should be dressed with a shear value above that which is required to set the packers. If a wireline blanking plug is used, retrieve using normal wireline procedures. During the setting operation of the Model "DB" Packer a hydraulic stretching of the tubing will occur and will result in the tubing being landed in tension. After running the completion to target depth, install/test tubing hanger, nipple down BOP and install tree. Ensure the packer is not set in a casing joint. Release of PBR and Anchor Latch Seal Unit from Packer Remove PBR Seal Assembly. Sting Retrieving Tool in PBR and set down approximately 2,000 pounds weight to insure latch threads are fully engaged. While maintaining a slight tensile load, approximately 2,000 lbs., rotate the tubing 15 turns to the right at the packer. This unscrews the PBR and Anchor Latch from the left-hand square threads in the top of the packer. |
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