1) precession cone
旋进锥
3) coning
[英][kəun] [美][kon]
锥进
1.
Bottom water coning is an important factor affecting reservoir development effect, causing earlier water breakthrough, rapid water cut increase and production decrease.
底水锥进是影响底水油藏开发效果的重要因素。
2.
This article adopted equivalent filtrational resistance method and bottom water driving vertical critical speed to derive the calculation model of critical production pressure difference and the calculation method of critical production capacity in bottom water reservoir exploitation based on the mechanism of bottom water coning of horizontal wells in bottom - water reservoir.
分析了垂向渗透率、油水密度差、水平井位置、油水粘度比以及底水锥进高度等参数对临界生产压差的影响,其结果对水平井开发底水油藏确定合理的生产压差具有指导作用,为底水油藏水平井产能设计提供了参考依据。
3.
To inhibit bottom water coning, the chemical agents such as polyacrylamide etc.
为了抑制底水锥进 ,采用人工方法 ,在油井裸眼的下部挤入聚丙烯酰胺等化学剂 ,形成弹性隔板 ,以扩大水驱油体积 ,控制含水上升 ,改善油藏开发效果。
4) water coning
锥进
1.
Sidetracking horizontal wells were used successfully to control the water coning occurred in Hongnan oil field, hence the development and the economy benefits of the block were improved.
红南边底水油田在开采过程中出现了锥进问题,通过应用侧钻水平井新技术治理底水锥进获得了成功,提高了区块开发效果,获得了较好经济效益,为同类油藏的开发提供了可借鉴经验。
2.
Edge and bottom water coning in Hongnan reservoir affects its recovery efficiency.
针对红南边底水油田,存在边底水锥进,影响油田开发效果的问题,我们开展了边底水锥进的预防、治理调研工作。
3.
After being developed with vertical well patterns during the past decade,the Leng 41 block of Liaohe oil field,as the typical heavy oil reservoir with edge and bottom water,became degraded with the energy,serious with bottom water coning and worse with development condition,which led to the serious reduction of recovery ratio and much more oil remaining underground.
辽河油田冷41块为典型的边底水稠油油藏,经过多年直井井网开发后,地层能量衰减,且底水锥进严重,开发状况不断恶化,导致采收率大幅度降低,大量剩余油滞留地下无法采出。
5) rotating cone
旋转锥
1.
A rotating cone shaped reactor has been designed for studying pyrolytic process of coal particles mixed with a heat carrying medium.
设计出一种旋转锥式煤热解炉,对炉内煤颗粒热解过程进行实验研究,测定了煤颗粒平均粒径、热解温度、旋转锥旋转速率及煤热解失重的关系。
2.
Aiming at rotating cone feeders used in annular spouted beds,the influence of spouting air velocity and the amount of hold-ups on particle mixing has been investigated.
针对环形喷动床采用旋转锥播料器对环形空间给料的方法,研究喷动风速和床上物料量对颗粒混合规律的影响。
3.
At present,the study on Rotating cone flash pyrolysis and liquefaction unit of biomass is a focus and the core of this technology is the design of rotating cones.
转锥式生物质闪速热解液化装置是当今研究的一个热点,而该技术的核心就是对旋转锥设计。
6) helix cone angle
螺旋锥角
1.
Relation of variation between helix cone angle and the lowest safety factor revealed that when guiding helix bit was under pressure,the safety factor increased with the helix cone angle enlarging simultaneously,and would reduce at a certain value.
从螺旋锥角与最低安全系数变化关系中得出,当引导螺旋钻头承压一定时,其安全系数随着螺旋锥角增大而增大,但增大到一定值时又随之减小。
补充资料：短锥旋流器
短锥旋流器
short cone hydrocyclone
duanzhul xuonf一uq-短锥旋流器(short eone hydroeyClone)一种离心选矿设备，系将普通水力旋流器的锥角增大到900一1200而改制的。例如当锥角由200增至900时，锥体的长度将变成原来的1/6左右，常用锥角为90“~1200。短锥旋流器的结构见图。矿浆由砂泵或借高位压鸯1 争300短锥旋流器 1一给料管;2一溢流管;3一底流口 力箱沿设备圆柱体的切线方向给入筒体后，矿物颗粒 在随矿浆向下作螺旋形运动的过程中，按沉降速度的 不同沿径向排列，沉降速度小的轻或细的颗粒由中心牙溢流管排出;相反，粗或重的颗粒则向器壁移动并向下 转移。由于锥体的锥角增大，沿器壁向卞流动的矿浆受 阻，遂在圆锥底部形成一个旋转床层。床层内的颗粒在 旋转剪切运动中发生松散一分层，轻矿物分布在上部 被向上流动的液流带至溢流管排出。重矿物则分布在 下层由底流口排出。结构稍加改变的水介质复合旋流 器也是一种短锥旋流器，其特点是锥体由三段不同锥 度的圆锥复合而成，锥度由上而下逐渐增大。短锥旋流 器主要用于砂金的粗选，也用于选煤，将煤与研石、硫 铁矿分离。分选一lmm砂金，当富集比为1。时，回收 率可达95%。 (范象波)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条