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- Surface tests on three water-jet perforating techniques show that hydraulic perforating can penetrate the casing string and the cement sheave rapidly, and it is able t... 3種水力噴射射孔技術(shù)的地面試驗研究表明,水力射孔技術(shù)可快速射穿套管和水泥環(huán),能夠滿(mǎn)足油水井射孔需要;現場(chǎng)應用表明,大部分油水井見(jiàn)到了明顯的增產(chǎn)增注效果。
- In the finite element model the gap elements are arranged at the ends of girder element of the tube string to simulate the contact and friction among rod, tube and casing string. 通過(guò)構建雙層接觸間隙元,建立有限元分析模型,將油管柱、套管柱和抽油桿柱之間作為一個(gè)耦合的整體進(jìn)行有限元力學(xué)分析。
- The crucial techniques circumstantiated with the optimal project,such as long casing milling,cavern tightness test,were a... 將采鹵溶腔改建為儲氣庫,大大加快了地下儲氣庫的建設,減少了建庫投資。
- In the curved interval of horizontal well,great frictional resistance can be imposed on the casing string and result in great bending stress due to the bending of the hole. 套管柱在水平井彎曲段隨井眼彎曲產(chǎn)生較大的彎曲應力和受到較大的摩擦阻力,有可能產(chǎn)生強度破壞、密封失效、穩定性破壞而不能下入。
- Rotation cementing is one of the most advanced technologies in the world which is to make casing string rotate through turntable in order to improve displacement efficiency and cementing quality. 旋轉固井是目前國際上最先進(jìn)的固井新工藝之一,在固井施工中,通過(guò)轉盤(pán)帶動(dòng)套管串旋轉,提高水泥漿的頂替效率,提高固井質(zhì)量。
- The caculations and anolyses of examples show that the application of triaxial stress theory in casing string design can take most factors into consideration and obtain the results with high preci... 給出了應用計算機實(shí)現套管柱設計的方法和步驟,并編制了相應的計算軟件,結合具體設計實(shí)例,通過(guò)計算分析表明,應用三軸強度理論進(jìn)行套管柱設計具有分析全面、計算精度較高的特點(diǎn)。
- She's had us all on a string for too long. 我們大家受她擺布已經(jīng)很長(cháng)時(shí)間了。
- Casing strings are rotated by torque from wellhead during casing drilling. 套管鉆井中套管管柱的旋轉動(dòng)力來(lái)自井口所施加的扭矩。
- In such a case a little goes a long way. 這種情況下,一點(diǎn)點(diǎn)也有很大作用。
- There was a long lag in forwarding mail to us. 轉寄給我們的郵件晚了很久才拿到。
- You can keep my book as long as you like. 我的書(shū)你要借多久都隨你的便。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就會(huì )發(fā)酵。
- The beggar spun a long yarn about his misfortunes. 那個(gè)乞丐編造了一大篇自己如何遭遇不幸的故事。
- How long will our food supplies hold out? 我們的儲糧還能維持多久?
- The turbulator can be used to improve the centralization of the casing strings, to allow the fluid to form spiral flow, as well as to improve the displacement efficiency. 使用旋流扶正器既可提高套管的居中度,又可對流體進(jìn)行導流而形成螺旋流,還可以提高環(huán)空水泥漿對泥漿的頂替效率。
- Optimizing Casing String Design under Cost Constraint 成本約束條件下的套管柱優(yōu)化設計
- It was a long trudge up the hill. 那段上山的路很難走。
- Mr Jones has a long history of heart trouble. 瓊斯先生有長(cháng)期的心臟病史。
- Cream cakes are no long a luxury. 奶油蛋糕再也不是奢侈品了。
- It took a long while to do the work. 做這個(gè)工作花了許多時(shí)間。