Through improving the packer structure, using the differential sizing collar and the automatic cementing one-way valve, adjusting different pressure, special completion and cementing .
通过改进封隔器结构、选用压差式分级箍和自动灌浆单向阀,调整不同压力级别,选择和改进套管工具附件,完善筛管顶部注水泥工艺,取得了特殊完井固井成功,满足了选择性完井和多方式开采的需要,也解决了阶梯式水平井完井底部低压易漏油层水泥浆污染和水泥浆固死筛管问题。
The configuration and principle of anti rotary plug and necessary float collars and their applications in intermediate casing cementing are introduced.
介绍了防转胶塞及配套浮箍的结构、原理和在技术套管固井中的应用情况。
To apply oil industry special purposed floating hoop and shoe on coalmine service borehole casing lowering and consolidation,the main issue need to be solved is how to automatically open the valve,let the slurry pass through when the pumping pressure rising to 2MPa,otherwise the valve will be in off state all along.
将石油专用浮箍浮鞋用于煤矿服务钻孔的下管及固井工作中,需要解决的主要问题是如何使其在泵压达到2MPa时,阀门自动打开,容许浆液通过,否则阀门始终处于关闭状态。
circulating differential fill collar
循环压差式灌浆接箍
circulating differential fill shoe
循环压差式灌浆套管鞋
Present the macro cycle grouting plan, resolve the flow testing problem of the cycle grouting.
提出了大循环灌浆方案，很好地解决了循环式灌浆的流量检测问题。
Ring Type Stirrups Welded High-strength Concrete Columns Experimental Study of Large Eccentric
焊接环式箍筋高强砼大偏心受压柱试验研究
Research of pile construction technology through borehole bottom expansion and after-grouting mortar injection
泵吸反循环钻孔扩底灌注后压浆桩施工技术研究
Flexible coupling of housing for pipe end with rib ring
GB/T8260-1987卡箍式柔性环型管接头
Study on the Shear Performance of Castellated Beam-Welding Ring Stirrup Column Joint
蜂窝梁-焊接环式箍筋柱节点抗剪受力性能
Experimental research on semi-rigid joints of honeycomb steelwelded compound ring stirrups columns
蜂窝梁-焊接环式箍筋柱半刚性节点试验研究
forced-oil transformer
强制油循环式变压器
multi-stage compression refrigeration cycle
多级压缩式制冷循环
The report showed the construction schemes and its technologies using circular splitting grouting at the north bank of the Hutuohe River.
该文阐述了滹沱河北大堤循环式劈裂灌浆工程的施工过程及其工艺。
A Probe into the Control of Hyper-pouring Quantity of Bored Concrete Pilety;
泥浆护壁正反循环灌注桩桩顶超灌高度控制的探讨
circulating slip socket
可循环泥浆的卡瓦式打捞筒
Research on Bearing Performance of Honeycombed Steel Beam and Welded Compound-ring-hoop Concrete Column Composite Joints
蜂窝钢梁-焊接环式箍筋砼柱节点抗震受剪承载力
Pre-warning device for grout leaking and returning of hydraulic and pneumatic grouting packers and treatment of relevant problems
液、气压式灌浆塞串浆返浆预警装置及常见问题的处理
Contact grouting between penstock and concrete
水电站压力钢管与混凝土之间的接触灌浆
Clinical effect of coelom hyperthermia perfusion extracorporeal circulatory system in combination with cisplatin in treatment of malignant effusions
体外循环体腔热灌注顺铂治疗浆膜腔恶性积液的临床观察
The Application of the Complex Bored Pile Post Grouting Technique in the Construction
钻孔灌注桩复式后压浆技术在工程中的应用
