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- Fluctuation pressure is the main cause that destroys the balance of well pressure and that results in well blowout,leakage,collapse and other complex accidents. 波动压力是破坏井眼压力平衡系统导致井喷、井漏、井塌及其他复杂情况的重要原因,其预测及应用在钻井工程中占有重要地位。
- While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure. 国内欠平衡钻井普遍实施,要用到的旋转防喷器是关键设备,技术含量高。
- In order to improve the effect of profil e control and water shutoff, the decisi on theory by injection well pressure inde x (PI) and ZY-PI1 injection well pressur e drop testing tool are developed. 为了提高高含水期油田调剖堵水的效果,开发了注水井压力指数决策理论,并研制了ZY-PI1注水井压降测试仪。
- The High Energy Gas Fracturing (HEGF)technique adopting oil well pressure fracture has been widely used in oid field, It can produce many radial fracture and improve reservoir percolation capability. 利用油井压裂弹产生高能气体压裂是近几年在油田广泛应用的油井增产技术。它可以在油层形成多条径向裂缝,改善油层渗流能力,提高采收率。
- It takes a lot of work to dig a deep well. 挖一口深井很费事。
- Shorter skis, particularly those with more side cut and which are evenly flexed, enable a better pressure build-up in the steering phase even for short turns. 较短的雪板,特别是那些长度短又有较大曲度设计的雪板,能够在小转时有较好的转向能力。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- Can you ladle the soup out of this deep pan for me? 你能从这个深底锅里舀点汤给我吗?
- A deep gorge separates the two halves of the city. 有一道深谷把这座城市分成两部分。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- A deep ravine is on the left of the road. 有一道深沟在马路左边。
- It has its roots deep in the Middle Ages. 它起源于遥远的中世纪。
- A deep melancholy runs through her poetry. 她的诗中贯穿著悲伤的情调。
- Applications of the Casing Pressure in Oil-gas Well Pressure Control 套管压力在油气井压力控制中的应用
- A heavy lorry floundered about in deep snow. 一辆重型卡车在厚厚的积雪中艰难地行进。
- She had just woken from a deep sleep. 她刚从熟睡中醒来。
- Deep grooves channelled the soft rock. 在软岩石上形成许多深槽。
- Study on Injection Well Pressure Metrical System Based on the HART Protocol 基于HART协议注水井压力检测系统的研究
- Nature seems to be wakened from a deep sleep. 大自然好像从沉睡中被唤醒。