发明名称 |
IN-RISER HYDRAULIC POWER RECHARGING |
摘要 |
A method for pressurizing a hydraulic accumulator includes creating an annulus pressure zone in hydraulic communication with the hydraulic accumulator through a hydraulic recharging circuit and applying a hydraulic pressure to the annulus pressure zone. Operating the hydraulic recharging circuit in response to applying the hydraulic pressure and pressurizing the hydraulic accumulator in response to operating the hydraulic recharging circuit. |
申请公布号 |
WO2013103677(A1) |
申请公布日期 |
2013.07.11 |
申请号 |
WO2013US20089 |
申请日期 |
2013.01.03 |
申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
RYTLEWSKI, GARY L.;FLIGHT, KIRK W.;YARNOLD, JOHN |
分类号 |
E21B21/08;E21B4/02;E21B7/124 |
主分类号 |
E21B21/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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