| 1. | Packer effect analysis of helical buckling of well tubing
封隔器对油管螺旋屈曲的影响分析 |
| 2. | Development and application of y331 - 114 packer
114型封隔器的研制与应用 |
| 3. | Development and application of a packer for plugging perforation
堵炮眼封隔器的研制与应用 |
| 4. | Technical standard of thermal packer and expansion joint
注蒸汽封隔器及井下补偿器技术条件 |
| 5. | Kz344 - 114 type inflatable packer used for separate - layer water injection
114型扩张式封隔器 |
| 6. | Application of rh packer in western oilfields
封隔器在西部油田的应用 |
| 7. | A study on contact stress of packer slip
封隔器卡瓦接触应力研究 |
| 8. | The general technical factors of packers used in the oil and gas fields
油气田用封隔器通用技术条件 |
| 9. | Research , manufacturing and application of model y341 - 95k well - flushing parker
可洗井封隔器的研制与应用 |
| 10. | Bottom wall and anchor packer
井壁及尾管封隔器 |
