Kristin HPHT gas-condensate field

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Scale protection Continuous Injection of scale inhibitor Scale Squeeze Jobs PMV PWV Choke DHSV Area protected by continuous injection Area that needs protection by squeeze jobs Ile Water 42 - Classification: Internal 2010-11-10
A scale squeeze job Wellhead is filled with MEG for hydrate control 3.5” service line 35-53 m3 Riser 1.6m 3 In depleted and water loaded wells <strong>gas</strong> is bullheaded from other producers for easier start-up after scale squeeze 5” tubing MEG (back) 15 m 3 + ~53 m 3 brine (KCl, NaCl) 36 m 3 –50 m 3 overflush (brine) 150 m 3 –800 m 3 51 – 65 m 3 Scale inhibitor 10 m 3 – 100 m 3 brine 4 m 3 – 50 m 3 MEG (front) 2 m 3 reservoar MEG is expensive so most of it is reused through a return line 43 - Classification: Internal 2010-11-10
Page 1 and 2: Kristin HPHT gas-condensate field A
Page 3 and 4: Kristin Location Barents Sea Norweg
Page 5 and 6: Kristin Field Data • Subsea devel
Page 7 and 8: Production results • Kristin has
Page 9 and 10: Samsung verft, Sør-Korea Skroget f
Page 11 and 12: Kristin Process Fuel Gas Scavenger,
Page 13 and 14: Reservoir description 25 X 5 km 13
Page 15 and 16: Garn Formation Shoreface massive ho
Page 17 and 18: Late Jurassic / Early Cretaceous La
Page 19 and 20: Kristin Fluid Properties SUPER CRIT
Page 21 and 22: Drainage Principles • Objective -
Page 23 and 24: Gas injection IOR project • Conve
Page 25 and 26: Use of P/z plotts (Tofte well S-4)
Page 27 and 28: Kristin wells 27 - Classification:
Page 29 and 30: Kristin completion schematic ”mod
Page 31 and 32: Dummy template with XT 31 - Classif
Page 33 and 34: First Kristin cleanup test , well R
Page 35 and 36: How can well productivity be increa
Page 37 and 38: Kristin drilling fluids have been e
Page 39 and 40: What is Scale? • Scale is precipi
Page 41: How to deal with Scale? • How can
Page 45 and 46: Kristin - Ideal Squeeze Chemical We
Page 47 and 48: Example of MIC Determination •3 m
Page 49 and 50: Chemical Compatibility Test with Fo
Page 51 and 52: • Kristin gas adsorbs more water
Page 53 and 54: S-1 H Treatments to restore well pr
Page 55 and 56: Sand production potential • No sa
Page 57 and 58: Technical challenges for future eng

Kristin HPHT gas-condensate field

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