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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耦合的產能預測模型,水平井模型考慮了井筒摩擦、井筒內流動的加速、油藏流動擾動等引起的壓降對井產能的影響。
- 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. 油田進入注水開發中後期后,裂縫性油藏特殊的儲集和滲流條件決定了油藏開發的艱巨性和複雜性。
- IPR curve is a kind of characteristic curve deseribing the basis relationship between oil well production and bot-tomhole flowing pressure. IPR曲線是描述油井產量與井底流動壓力的基本關係曲線。
- 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. 儲層流動單元的研究對於更好地了解地下油水運動規律及油田注水開發過程中剩餘油的分佈具有重要意義。
- 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佈影響較大,不同冷卻結構的壁面壓力分佈特點不同。
- 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. 目前越來越多的油井靠抽汲方式進行生產,對抽汲井不同流壓下產能進行預測成了迫切需要解決的問題。
- Critical flow pressure reflects the impact of capillary pressure and boundary effect and gas percolation, and causes non-Darcy gas flaw. 臨界流動壓力反映了毛細管力與邊界層作用對氣體滲流的影響,並使氣體表現出非達西滲流特徵。
- 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. 壓力圓網成型器是本公司開發的一種很有特點的園網成型器。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而失准,重複性好,自動測量控制,工作壓力範圍寬等特點。
- 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「瓦斯風壓」的概念,從理論、實踐上論述了「瓦斯風壓」在瓦斯礦井通風網路中的存在。
- 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. 摘要假設油井流動係數為二次拋物線函數,建立了包含3個待定係數的新型通用油井流入動態方程。
- This reservoir is used to store water for our town. 這個水庫是用來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. 氣井產能方程能夠直接描述流壓與產量的關係,但是傳統的二項式產能方程在地層壓力未知或者地層壓力不準的情況下無法使用。
- History is a reservoir of human experience. 歷史是人類經歷的總匯。