fmc subsea drilling systems uwd sb 13 5 8 wellhead system
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FMC Subsea Drilling Systems UWD-SB 13 5/ 8 Wellhead System June 2010 Chelsi Kaltwasser AGENDA 13 5/8 Wellhead System System Advantages Installation History 13 5/8 Wellhead System Components and Tools

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  1. FMC Subsea Drilling Systems UWD-SB 13 5/ 8” Wellhead System June 2010 Chelsi Kaltwasser

  2. AGENDA 13 5/8” Wellhead System  • System Advantages • Installation History • 13 5/8” Wellhead System Components and Tools • In-Wellhead Completion • Installation videos 2

  3. 13 5/ 8” Slimbore Wellhead System 3

  4. Advantages of a Slimbore Wellhead System Canopy 13 5/8” - 10,000 psi Wellhead Housing w/ H4 Profile • Designed to be used with Surface Wear Bushing BOPs • Allows for lighter drilling packages Integral Rigid Lock on TLP and Spars 36” Conductor • Designed with smaller and lighter Housing casing programs Metal-to-Metal • Reduces mud costs due to smaller Packoff drilling risers 10 ¾” Casing • Can be used in shallow and Hanger deepwater applications 4

  5. I nstallation I nformation North Sea • 1 Exploration Wellhead Congo, Africa • FDPSO – allows drilling and completion from the same ship • 1500 m water depth • 10 wells − 1 FMC Tubing Head on existing exploration well − 4 FMC Wellheads and Tubing Hangers installed − Currently installing 4th Tree − Will begin 5 well batch set in July 5

  6. Murphy Azurite Field FMC Scope of Supply • Ten (10) Enhanced Vertica Deepwater Trees (EVDT) • Nine (9) UWD-SB 13 5/8 Slimbore Wellheads • Control Systems • One (1) 10-slot Manifold • Gooseneck connectors 6

  7. I RLSD System Components 7

  8. 30”/ 36” I RLSA Low Pressure Housing 30”/ 36” I ntegral Rigid Lock Low Pressure Housing • Drifts 26” bit • Four 3” diameter ports for passing drilling and cement returns 30”/ 36” I RLSA CAM Tool • Tool has two 2” diameter ports for additional 6.28 in2 flowby 30”/ 36” I RLSA Drill Ahead Tool • Will pass a 10” tool joint in DA mode • Six 3.0” diameter ports with 42.4 in 2 of flowby for passing returns during drilling 8

  9. Running the Low Pressure Housing 9

  10. 13 5/ 8” Wellhead Housing and Running Tools 13 5/ 8” Slimbore Wellhead Housing • 4.0 million ft-lb bending capacity (18 ¾ H4) Canopy • Rigidizing Mechanism provides 1.5 million pounds Ø13.515 of preload Tubing Hanger 13 5/8” Rigid Lock Locking • 2.85 million lb. Internal load shoulder rating Setting Tool Grooves • Capacity for up two casing hangers, or one Tubing Hanger Rigid Lock 13 5/8” Wellhead hanger and tubing hanger Flowby Holes Seal Assy Housing Running Tool • 10,000 psi plus 1.0 million pounds casing for 1st hanger and 650,000 pounds casing/tubing Packoff Locking Grooves Rigid Lock Mechanism 13 5/ 8” Wellhead Housing Running Tool M2M Packoff • 1.0 MM Rated Casing Capacity Seal Area • Runs and Retrieves Nominal Bore Protector Seal to close off the • Performs BOP tests up to 10,000 psi annulus above Seat cement ports Segments Rigid Lock Setting Tool • “Bolts-on” to the Wellhead Housing Running Tool Ø12.477 • Preloads the Rigid Lock using ROV or Drill Pipe 16 x .715 BW Pressure Prep 10

  11. Pre-skid the High Pressure Housing 11

  12. Casing Hanger, Seal Assembly & Running Tool 13 5/ 8” x 10 ¾ ” Casing Hanger • 1.0 MM lbs casing weight • Supports up to 650,000 lbs casing or tubing weight + 10 ksi BOP Test • Hangers have 5.65 square inches of flow-by area (0.60” particle) 13 5/ 8” Annulus Seal Assemblies • Used to seal off the annulus between the casing and the wellhead • PR2 Qualified 30°F to 250°F, 10K Bore Pressure, 10K Annulus • External Lock Ring is rated to 0.8 million lbs • Seal is retrieved to surface if not fully energized and locked onto the hanger 13 5/ 8” Single Trip Tool • Installs the casing hanger and annulus seal assembly in the same trip • Tool rated for 1,000,000 lbs of casing and a 10,000 psi pressure test. • Seal assembly is hydraulically set with 3200 psi drill pipe pressure. Drill pipe is vented with 4500 psi. • Lead impression blocks give a tell-tail that the seal assembly is locked to hanger and fully energized 12

  13. Plug Loading and Running the Casing Hanger 13

  14. 13 5/ 8” Spring Loaded Tool & Wear Bushing • 10,000 psi Rated Working Pressure • Run/Retrieve all Wear Bushings and pressure test BOP stack on the same trip • Can perform BOP tests in all wellhead positions • Retrieve 13 5/8” Annulus Seal Assemblies of flowby area • Spring loaded mandrel provides 4.63 in 2 • 5,000 lbs of drill string weight required to compress spring and close flowby • No drill pipe rotation required to function tool 14

  15. Spring Loaded Tool and Wear Bushing 15

  16. 13 5/ 8” I solation Test Tool • Test Annulus Seal Assemblies while landed isolating the DR and BOP stack • Rated for 10,000 psi Annulus Seal tests • 5,000 lbs of drill string weight required to shear shear pins to actuate tool • No drill pipe rotation required to function tool • Pressure through the drill string creates a downward force on the mandrel, preventing the tool from disengaging prematurely 16

  17. I solation Test Tool 17

  18. I n-Wellhead Completions 18

  19. 13 5/ 8” EVDT Tubing Hanger Canopy (shown in wellhead) 13 5/8” - 10,000 psi Wellhead Housing w/ H4 Profile 13 5/8” EVDT Tubing Hanger Integral Rigid Lock 36” Conductor Housing • 10,000 psi Working Pressure • Available for 5” – 7” tubing Metal-to-Metal Packoff • Features a 1-1/2” annulus gate valve • Can accommodate up to 11 down hole lines 10 ¾” Casing Hanger 19

  20. I nstalling a Tubing Hanger in the Wellhead Measurement Run using 13 5/ 8” Gage Tool • Run on drill pipe • Measures the distance between the internal Locking shoulder of the wear bushing and the running Dog grooves of the wellhead housing Retrieval Ring • Retrieves the Wear Bushing Torque Key • Uses a setting stand to portray the wellhead and allow the tubing hanger to be set Smart • Adjust the Tubing Hanger Bearing Ring per Pins wellhead measurement Shear Pins • Install Tubing Hanger inside of the wellhead using the Tubing Hanger Running Tool 20

  21. Casing Hanger Measurement Tool 21

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