The sand carrying rate of sands with different diameters in concentric and eccentric annular spaces is obtained, impact of velocity and annular space eccentricity on prop-carrying capability of foam fluid is researched, and safe sand carrying conditions in .
利用FLUENT軟件中的分散相模型對泡沫流體的攜砂能力進行了數(shù)值模擬,得到不同直徑的砂粒在同心環(huán)空和偏心環(huán)空中的攜砂率,研究了泡沫流速和環(huán)空偏心對泡沫攜砂能力的影響,并得出水平井泡沫流體沖砂洗井的安全攜砂條件。
The relations of sand carrying rate and residence time in foam fluid to inclination angle of annular pipe were given.
利用FLUENT軟件中的分散相模型對泡沫流體的攜砂能力進行了數(shù)值模擬,得到了不同直徑的砂粒在泡沫流體中的攜砂率和停留時間隨環(huán)空管道傾角的變化關系,與相同條件下水的攜砂性能進行了比較,并進行了定性分析。
Research on critical sand transportation velocity for low Viscosity liquid flow in vertical well-bore;
垂直井筒低黏度液流最小攜砂速度研究
So purifying quality of drilling mud and desanding efficiency are largely improved,the blocking area can be automatically broken with .
研制開發(fā)的自動旋流除砂器彌補了傳統(tǒng)除砂器固相成分分離效果不佳、排砂口易堵的缺陷,顯著提高泥漿或礦漿的凈化質量與除砂效率,且能自動排堵,降低了除砂工作的時間消耗和成本。
viscous carrier placed pack
用高粘攜砂液作業(yè)的礫石充填
Theoretical Study on Carrying and Flowback Capacity of Workover Fluid Contaminated by Calcium Ions
鈣侵修井液攜砂返排能力的理論研究
Application of Cross-linking Acid Fracturing with Proppant Technique in Redevelopment of Dolomite Reservoirs;
交聯(lián)酸攜砂酸壓在白云巖儲層改造中的應用
LABORATORY INVESTIGATION OF PROPPANT TRANSPORTABLE CROSS-LINKED ACID FRACTURING FLUID SYSTEM
可攜砂酸壓交聯(lián)酸酸液體系的室內研究(英文)
New progress in sand-carrying fracturing by blending fiber for oil and gas wells in China
中國油氣井摻纖維攜砂壓裂工藝技術新進展
Application of cross-linked acid-carrying sand fracturing technology to carbonate reservoirs
交聯(lián)酸攜砂壓裂工藝在碳酸鹽巖儲層的應用
Cold heavy oil production with limited sand influx and technology study for 6 bolck, sudan
蘇丹6區(qū)稠油有限攜砂冷采數(shù)值模擬及采油工藝技術
Experimental Study on Correlation between Filter Material Thickness of PVC-U Gravel-filled Filter and the Sand-resistance
PVC-U攜礫過濾器濾料厚度與阻砂性的相關關系試驗研究
cord, foundry, used in the reparation of sand moulds
翻砂型芯,用于制備砂型
lithic arkosic wacke
巖屑長石砂巖質雜砂巖
"Clay, silt, sand, and gravel. "
粘土，粉砂，砂土和礫石。
vertical belt variety sander
垂直砂帶多用砂光機
Sands lithify into sandstones.
砂經過石化而成砂巖。
Minute rough granules, as of sand or stone.
砂，砂礫，砂粒細小的粗顆粒，如砂和石頭粒
glossary of terms and marks used in abrasive, grinding wheel and abrasive cloth and paper
磨料、砂輪、砂布、砂紙術語和符號
Preparing Green Molding Sand by Using Returned Sand Containing Collapsed Resin-Coated Sand
用混有潰散覆膜砂的舊砂配制濕型砂
currency restrictions
貨幣 (攜出) 限制
Containing, covered with, or resembling grit.
含砂的，砂覆的，類砂的含有或類似砂的，被砂覆蓋的