| 1. | Measures adopted to strongly wash shaft
泥浆钻进的钻孔强化洗井应采取的措施 |
| 2. | Probe into flushing during borehole dewatering
钻孔抽水时的洗井问题探讨 |
| 3. | Effect of solid rocket propellants well - washing equipment
固体火箭旋喷洗井器洗井效果分析 |
| 4. | Design theory of rocket liquid propellants well - washing equipment
液体火箭洗井器设计原理 |
| 5. | Research , manufacturing and application of model y341 - 95k well - flushing parker
可洗井封隔器的研制与应用 |
| 6. | High flow rate washover
大排量洗井 |
| 7. | Air flush drilling
空气洗井钻井 |
| 8. | A model of nonartesian - artesian pumping well and new techniques of " water dam " hole - well cleaning are put forward
提出了无压承压井抽水模式和“拦水坝”式冲孔洗井等新工艺。 |
| 9. | Its application proves that it can prolong the paraffin removing period and reduce the well - flushing times with an apparent economic benefit
通过实践证明，该种清防蜡剂可延长清蜡周期，减少洗井次数，经济效益显著，值得广泛推广。 |
| 10. | According to the serious paraffin deposit in daqing oil field and the surface technique gathering and transferring flow used in the oil field , a kind of paraffin remover and inhibitor is studied to substitute the well - flushing technique in the peripheral oil fields
针对大庆油田结蜡严重的问题，根据油田采用的地面工艺集输流程，研究出能够在外围油田代替热水洗井工艺的油井清防蜡剂。 |
