大家在查： fuxiper perlimonite intromittent 三重透镜回采采时候随时恰当行为滨乡嘉祥县尼古拉斯•尼葛洛庞帝

可取式

网络retrievable

可取式

可取式

可取式

retrievable

可取式,retrievable,在线英语... ... ) preferred degree 可取程度 ) retrievable 可取式 ) retrievable bridge plug 可取式桥塞 ...

1

In accordance with the need of bottom water shutoff for many oil and water wells in oilfield , a new type removable bridge plug was designed .

根据油田油水井堵底水的需要，设计了一种新型可取式桥塞。

2

Development and application of a new removable bridge plug

一种新型可取式桥塞的研制与应用

3

Developed as the Premier Removable Packer System

开发作为可取式封隔器系统 –

4

Hydraulic retrievable bridge plugging device for water shut off

液力可取式桥塞堵水装置

5

The development and application of the retrievable bridge plug of cement squeeze

可取式挤灰桥塞的研制与应用

6

Study on drillable and retrievable packer for water injection

可钻可取式注水封隔器的研究

热词推荐

大家在看

man , . cum you 's " after japan ? : - Facebook join what Yeah your then 4th play