Well plugging and abandonment - new and emerging technologies
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Areas |
Technologies |
Well inspection and cement conditions |
- Advanced cement bond logging interpretation (BP)
- Advanced bond logging e.g. pulsed neutron (Premier)
- Bond logging through multiple casing strings (ConocoPhillips)
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Intervention equipment |
- LWIV riserless P&A subsea wells (Ithaca, Spirit Energy)
- Casing punch tool to intervene in HPHT anulus (Shell)
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Tubing and casing section removal |
- Next generation tubing casing removal solutions (ConocoPhillips)
- Improved section milling tooling (Fairfield)
- Innovative casing removal methods (Fairfield) laser technology (Total, Shell, ConocoPhillips)
- Plasma bit (Repsol)
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Barrier materials and placement |
- Swelling shale & swelling clay barrier (BP, ConocoPhillips)
- Squeezing salt barrier (ConocoPhillips)
- Scale formation barrier (RepsolSinopec, Spirit Energy)
- Thermite plug (6+ operators)
- Bismuth alloy plug (RepsolSinopec, Shell, ConocoPhillips, BP
- Resin barrier (ConocoPhillips)
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