Riserless completions
A downhole barrier system comprising: a wellbore; an upper packer; an upper barrier valve; a pressure sensor; a ported sub; a lower packer; a lower pack flow port sliding sleeve; and a lower barrier valve.
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| Sprache: | chi ; eng |
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| creator | BUCHAN COLIN STUART STEWART DAVID WILLIAM CANNON GEOFFREY DAVID |
| description | A downhole barrier system comprising: a wellbore; an upper packer; an upper barrier valve; a pressure sensor; a ported sub; a lower packer; a lower pack flow port sliding sleeve; and a lower barrier valve. |
| format | Patent |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN105612308A |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | Riserless completions |
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