发明名称 |
DOWNHOLE PUMPING APPARATUS AND METHOD |
摘要 |
An apparatus including a sealing device for sealing a wellbore, a first pump for pumping fluids from a lower wellbore section, a pump drive powered using wellbore gas, a gas inlet for supplying the pump drive with wellbore gas, and a gas outlet for exhausting wellbore gas to an upper wellbore section from the pump drive. The apparatus may further include a second pump for pumping fluids from the upper wellbore section into the lower wellbore section, a vent for venting wellbore gas to the upper wellbore section, and a switch for controlling the pump drive. A method for moving fluids in a wellbore including sealing the wellbore, supplying wellbore gas to a pump drive and driving a first pump with the pump drive. The method may further include driving a second pump with the pump drive and venting the wellbore gas to an upper wellbore section. |
申请公布号 |
CA2912671(A1) |
申请公布日期 |
2014.12.04 |
申请号 |
CA20132912671 |
申请日期 |
2013.05.28 |
申请人 |
LIFTECK INTERNATIONAL INC. |
发明人 |
FAREBROTHER, GUY WILLIAM;BONNET, SERGE GILBERT;RIDLEY, RODNEY K. |
分类号 |
F04B47/00;E21B43/12;E21B43/18;F04B47/12 |
主分类号 |
F04B47/00 |
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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