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- The paper gives a new method to determine the negative pressure for under balanced perforating by use of elasto-plastic deformation theory coupled with reservoir flow equations. 利用彈塑性力學(xué)理論結合滲流方程提出了確定射孔完井最大負壓差的新方法。
- The lateral model couples the reservoir flow model with the wellbore flow model which incorporate frictional and accelerating pressure drop,and also the pressure drop caused by inflow turbulence. 建立了多分支井油藏滲流與井筒流動(dòng)耦合的產(chǎn)能預測模型,水平井模型考慮了井筒摩擦、井筒內流動(dòng)的加速、油藏流動(dòng)擾動(dòng)等引起的壓降對井產(chǎn)能的影響。
- At last, the approximate calculation methods of pore water pressure and flowing pressure are presented. 給出土坡穩定性分析中對孔隙水壓力和動(dòng)水壓力的近似計算方法。
- Oilfield waterflooding into the mature development state, fractured reservoir special reservoir flow conditions and the development of the reservoir arduous and complicated. 油田進(jìn)入注水開(kāi)發(fā)中后期后,裂縫性油藏特殊的儲集和滲流條件決定了油藏開(kāi)發(fā)的艱巨性和復雜性。
- IPR curve is a kind of characteristic curve deseribing the basis relationship between oil well production and bot-tomhole flowing pressure. IPR曲線(xiàn)是描述油井產(chǎn)量與井底流動(dòng)壓力的基本關(guān)系曲線(xiàn)。
- The daily production of swabbing well at different swabbing flowing pressure was calculated based on the mathematics model of swabbing well at flowing bottomhole pressure. 在建立定流壓抽汲井數學(xué)模型基礎上,分別就不同的最大抽汲流壓計算了抽汲井日產(chǎn)量。
- This paper introduces the method of casing pressure drop which can be used to measure pump inlet pressure and flow pressure at well bottom. 闡述了套壓降低法測泵口壓力和井底流壓的基本原理、測試方法以及相關(guān)的資料處理和計算方法。
- Research on reservoir flow units is of significance for better understanding the rule of undersurface fluid flow and distribution of remaining oil during the process of water injection development. 儲層流動(dòng)單元的研究對于更好地了解地下油水運動(dòng)規律及油田注水開(kāi)發(fā)過(guò)程中剩余油的分布具有重要意義。
- The results showed: The cooling had significant influence on the near wall flow pressure, and the influence was different with cooling schemes. 結果表明：冷卻氣流對噴管壁面壓力分布影響較大，不同冷卻結構的壁面壓力分布特點(diǎn)不同。
- There are many methods for the study of reservoir flow unit, but there isn't a consolidated conclusion yet to-date, and even few analysis on the forming and influence factors of flow unit. 目前對儲層流動(dòng)單元的研究方法有多種,但終究未有統一的結論,而對儲層流動(dòng)單元的形成及其影響因素的分析更少。
- Because more and more wells are producing by swabbing way at present, the production prediction of swabbing well becomes an urgent problem at different flowing pressure. 目前越來(lái)越多的油井靠抽汲方式進(jìn)行生產(chǎn),對抽汲井不同流壓下產(chǎn)能進(jìn)行預測成了迫切需要解決的問(wèn)題。
- Critical flow pressure reflects the impact of capillary pressure and boundary effect and gas percolation, and causes non-Darcy gas flaw. 臨界流動(dòng)壓力反映了毛細管力與邊界層作用對氣體滲流的影響，并使氣體表現出非達西滲流特征。
- Such knowledge has important signification for the well test theory of the flowing pressure increases during the production-deciding test of blow wells. 這些認識對建立自噴井定產(chǎn)量試井流壓上升的試井理論有重要意義。
- Pressure mould former has its special characteristics developed by our company. It depands on the pulp flow pressure and quickly dewatering in forming zone. 壓力圓網(wǎng)成型器是本公司開(kāi)發(fā)的一種很有特點(diǎn)的園網(wǎng)成型器。它主要依靠漿流本身的壓力，在成形區內快速脫水成形。
- Independent of flow pressure change and temperature change in a given range, MFC/MFM show the excellent repeatability, controllability and wide operating pressure range. MFC/MFM具有不因溫度和壓力的波動(dòng)而失準，重復性好，自動(dòng)測量控制，工作壓力范圍寬等特點(diǎn)。
- A concept of “gas flow pressure"is proposed and the existance of the pressure in ventilation network in gassy mines is demonstrated in theroy and in practice. 提出了“瓦斯風(fēng)壓”的概念，從理論、實(shí)踐上論述了“瓦斯風(fēng)壓”在瓦斯礦井通風(fēng)網(wǎng)絡(luò )中的存在。
- The functional relation of flowing coefficient with flowing pressure was described as a parabolic function, and a new type of inflow performance relationship which contained 3 undetermined coefficients was setup. 摘要假設油井流動(dòng)系數為二次拋物線(xiàn)函數，建立了包含3個(gè)待定系數的新型通用油井流入動(dòng)態(tài)方程。
- This reservoir is used to store water for our town. 這個(gè)水庫是用來(lái)為我們小鎮儲存水的。
- The bottom-hole flowing pressure is a dominant factor to determin e gas well's pr oductivity.Gas well productivity equation can show the relationship between flow pressure and production directly. 氣井產(chǎn)能方程能夠直接描述流壓與產(chǎn)量的關(guān)系,但是傳統的二項式產(chǎn)能方程在地層壓力未知或者地層壓力不準的情況下無(wú)法使用。
- History is a reservoir of human experience. 歷史是人類(lèi)經(jīng)歷的總匯。
