• Document: Slickline. Upper Sheave. No conductor. Single strand wire Stuffing Box. Lubricator. Typical Wireline Rig-up. swab valve. Lower Sheave.
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Slickline •No conductor Upper Sheave •Single strand wire Stuffing Box Lubricator Typical Wireline Rig-up swab valve Lower Sheave Wireline Unit master valve Springs George E. King Engineering 3/14/2009 1 GEKEngineering.com George E. King Engineering 3/14/2009 2 GEKEngineering.com George E. King Engineering 3/14/2009 3 GEKEngineering.com Wireline Surface Equipment • Reels and Controls • BOP • Lubricators • Grease (oil) Seals George E. King Engineering 3/14/2009 4 GEKEngineering.com George E. King Engineering 3/14/2009 5 GEKEngineering.com Wireline BOP George E. King Engineering 3/14/2009 6 GEKEngineering.com Lubricator Layout and Loading – wireline operations George E. King Engineering 3/14/2009 7 GEKEngineering.com Lubricator Length • “Consider the tool string length when sizing the lubricator length. The available length to swallow a tool string is from the top of the swab valve to the bottom of the flowtubes. This length should be the TOTAL tool length, line head to bottom nose, plus 3 extra feet.” George E. King Engineering 3/14/2009 8 GEKEngineering.com Stuffing Box – the Main Seal on the Wire • Braided Line – Grease Injector • Slick Line - Rubber elements with and without oil injection capacity. A hydraulic oil is usually used for sealing and lubrication of the wire. George E. King Engineering 3/14/2009 9 GEKEngineering.com Schematic of a Grease Injector for Braided Line Rubber Elements Flow Tubes Grease Injection George E. King Engineering 3/14/2009 10 GEKEngineering.com Braided Line Grease Injector – Blowing grease in the air? - the rubber is worn out. – Loosing grease in the well? -flow tubes too big/worn, braided line worn. Either way, too much clearance. – Number of tubes depends on the pressure. Bottom flow tube must be close to diameter of braided line. – If grease use is high (over 10 lb/day) operator may be pumping too much grease - more than needed. – Greases comes in different viscosities, formulated for pressure and temperature combinations . – If hanging gauges in well on braided cable during a job, do not pump grease - just tighten rubbers. – Some greases thicken and/or emulsify with well or injected fluids. Formation damage can be severe. George E. King Engineering 3/14/2009 11 GEKEngineering.com Wireline Fishing/Jarring Best Practices • Maximum fishing time of 45 minutes to 1 hour before reheading wire – move the fatigue point (fatigue caused by continual working over the shieves during jarring) – usually cut off 100 ft. • Work to 50% of max load. • Use of 0.125 and braided wire considered? George E. King Engineering 3/14/2009 12 GEKEngineering.com George E. King Engineering 3/14/2009 13 GEKEngineering.com Some Wire Types • Bright Steel – most widely used, not for H2S or CO2 • AISI 304 – H2S service • AISI 316 - H2S service George E. King Engineering 3/14/2009 14 GEKEngineering.com Wire Limits (Bright Steel) (estimates only) Wire Size Minimum Tensile Strength MaximumWork Level 0.072” 972 lb. 500 to 600 lb. ? 0.082” 1239 lb. 850 lb. ?

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