| 发明名称 |
PRESSURE DIFFERENTIAL DEVICE WITH CONSTANT PRESSURE DROP |
| 摘要 |
In one aspect, an apparatus for use in a wellbore is disclosed, including: an inlet; an outlet; and a variable flow restriction configured to provide a predetermined constant pressure drop between the inlet and the outlet in response to a range of inlet flow rates. In another aspect, a method for providing a fluid flow within a wellbore is disclosed, including: providing the fluid flow to an inlet; restricting the fluid flow to provide a predetermined constant pressure drop between the inlet and an outlet in response to a range of fluid flow rates; and providing the fluid flow to the wellbore from the outlet. |
| 申请公布号 |
US2016053577(A1) |
申请公布日期 |
2016.02.25 |
| 申请号 |
US201414466076 |
申请日期 |
2014.08.22 |
| 申请人 |
He Zhi Yong;Ratnayake Madhawa;Yuan Kun;Izaguirre Carlos P.;Teale David;Willauer Darrin L. |
发明人 |
He Zhi Yong;Ratnayake Madhawa;Yuan Kun;Izaguirre Carlos P.;Teale David;Willauer Darrin L. |
| 分类号 |
E21B34/10 |
主分类号 |
E21B34/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An apparatus for use in a wellbore, comprising:
an inlet; an outlet; and a variable flow restriction configured to provide a predetermined constant pressure drop between the inlet and the outlet in response to a range of inlet flow rates. |
| 地址 |
Cypress TX US |
