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发明名称
OIL WELL PUMPING UNIT
摘要
<p>An oil well pumping unit is provided. The oil well pumping unit includes lift and pump/compressor tubing columns, plunger pumps, a packer, and combined assemblies installed in upper and lower portions of a casing.</p>
申请公布号
CA2843528(A1)
申请公布日期
2015.08.20
申请号
CA20142843528
申请日期
2014.02.20
申请人
LAPSIN, ANDREY V.;MINENKOV, VALERIY
发明人
LAPSIN, ANDREY V.;MINENKOV, VALERIY;SIDOROV, DMITRIY
分类号
F04B47/12;E21B43/12;F04B47/00;F04B53/00
主分类号
F04B47/12
代理机构
代理人
主权项
地址
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