BOREHOLE SEISMIC PULSE GENERATION USING RAPID-OPENING VALVE |
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| 申请号 | EP06824978 | 申请日 | 2006-09-18 | 公开(公告)号 | EP1994255A4 | 公开(公告)日 | 2015-04-08 |
| 申请人 | WAVEFRONT ENERGY & ENVIRONMENTAL SERVICES INC; | 发明人 | SAMAROO MAHENDRA; PRINGLE RONALD E; SPANOS THOMAS JAMES TIMOTHY; DAVIDSON BRETT CHARLES; | ||||
| 摘要 | During a surge-pulsing operation in a borehole (e.g an oil-well undergoing remediation) liquid is stored under pressure upstream of a valve, and then released through the valve suddenly enough to create a seismic wave, which propagates into the formation around the borehole, and assists the surge-pulsing to improve the conductivity and liquid-injectability of the formation. The downhole valve achieves the rapid-opening requirement by virtue of its geometrical layout, as dictated by the strictures of the downhole environment. | ||||||
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