发明名称 |
Oil well bailer apparatus |
摘要 |
An oil well bailer apparatus for use in bailing oil from an oil well. It includes a housing adapted for mounting over the top of the wellhead and a bail bucket which is arranged for lowering and raising between the well and the housing for raising oil to the housing and depositing it at the wellhead surface.
|
申请公布号 |
US4368909(A) |
申请公布日期 |
1983.01.18 |
申请号 |
US19810249103 |
申请日期 |
1981.03.30 |
申请人 |
CHROMALLOY AMERICAN CORPORATION |
发明人 |
ALEXANDER, JR., GRANISON T. |
分类号 |
E21B27/00;F04B19/08;F04B47/12;(IPC1-7):F04B17/00 |
主分类号 |
E21B27/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|