This page displays all 「FI」 in main group E21B33/00. |
HB:Handbook | ||||
CC:Concordance |
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Sealing or packing boreholes or wells | HB | CC | 2D129 | |
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.Surface sealing or packing | HB | CC | 2D129 | |
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..Well heads; Setting-up thereof [2006.01] | HB | CC | 2D129 | |
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...specially adapted for underwater installations (E21B 33/043, E21B 33/064, E21B 33/076 take precedence) [3] | HB | CC | 2D129 | |
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....Protective housings therefor [3] | HB | CC | 2D129 | |
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....Connectors used on well heads, e.g. for connecting blow-out preventer and riser [2006.01] | HB | CC | 2D129 | |
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...Casing heads; Suspending casings or tubings in well heads [2006.01] | HB | CC | 2D129 | |
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....specially adapted for underwater well heads (E21B 33/047 takes precedence) [3] | HB | CC | 2D129 | |
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....for plural tubing strings [3] | HB | CC | 2D129 | |
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....Cementing-heads, e.g. having provision for introducing cementing plugs | HB | CC | 2D129 | |
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...Blow-out preventers [3] | HB | CC | 2D129 | |
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....specially adapted for underwater well heads [2006.01] | HB | CC | 2D129 | |
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...having provision for introducing objects or fluids into, or removing objects from, wells (cementing-heads E21B 33/05) [3] | HB | CC | 2D129 | |
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....for cable-operated tools (E21B 33/076 takes precedence) [3] | HB | CC | 2D129 | |
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....specially adapted for underwater installations [3] | HB | CC | 2D129 | |
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..Wipers; Oil savers | HB | CC | 2D129 | |
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.in the borehole | HB | CC | 2D129 | |
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..Packers; Plugs (used for cementing E21B 33/134, E21B 33/16) | HB | CC | 2D129 | |
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...Multiple-string packers | HB | CC | 2D129 | |
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...Units with longitudinally-spaced plugs for isolating the intermediate space | HB | CC | 2D129 | |
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...with fluid-pressure-operated elastic cup or skirt (E21B 33/122, E21B 33/124 take precedence) | HB | CC | 2D129 | |
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...with inflatable sleeve (E21B 33/122, E21B 33/124 take precedence) | HB | CC | 2D129 | |
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...with a member expanded radially by axial pressure (E21B 33/122, E21B 33/124 take precedence) | HB | CC | 2D129 | |
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...with mechanical slips for hooking into the casing (E21B 33/122, E21B 33/124 take precedence) | HB | CC | 2D129 | |
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....actuated by fluid pressure [6] | HB | CC | 2D129 | |
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..Methods or devices for cementing, for plugging holes, crevices or the like [2006.01] | HB | CC | 2D129 | |
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...Bridging plugs | HB | CC | 2D129 | |
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...Baskets, e.g. of umbrella type | HB | CC | 2D129 | |
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...Plastering the borehole wall; Injecting into the formation | HB | CC | 2D129 | |
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...for cementing casings into boreholes | HB | CC | 2D129 | |
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....using plugs for isolating cement charge; Plugs therefor | HB | CC | 2D129 | |