rigless sand control
不用修井机的防砂作业
The reasons of the sinking accidents frequently happened involving vessels being loaded with sands in the areas under the jurisdiction of Ningbo and control measures to be taken
宁波辖区运砂船装砂作业期间沉船事故频发的原因和防范对策
And wellbore instability also influences the perforation and sand production,ect in the reservoir development.
井壁失稳还影响固井，油藏开发中的射孔、防砂、采油和油井增产等后序作业的实施。
counter lathing
板条子操作, 双层砂板条作业
viscous carrier placed pack
用高粘携砂液作业的砾石充填
shoot-and-treat sand consolidation too
射孔-处理联合作业的固砂工具
Experimental Study of Steel Plate-sandy Soil Composite Blast Wall under the Effect of Blast Wave
爆炸冲击波作用下钢板-砂土组合防爆墙的实验研究
Mechanism Study of Sand Production and Sand Control of Unconsolidated Sandstone Oil Reservoirs in Bamianhe Oilfield;
八面河油田疏松砂岩油藏出砂与防砂机理探讨
Acidizing and Sand Fracturing Technique and Its Advantages
酸化与加砂压裂协同作业技术及其优势
lower sand screen
下部油层防砂绕丝筛管
The Research of Sand Control Technology by Expandable Pre-graved Screen;
可膨胀预充填防砂筛管及防砂机理研究
protective clothing for hazardous chemical operation
危险化学品作业防护服
(3) Mining sand and gravel or placer gold in river channel or navigation channel without approval or not in accordance with the approved scope and operation procedures.
（三）未经批准或者不按照批准的范围和作业方式，在河道、航道内开采砂石、砂金的；
Investigation on Mental Fitness of Foundry Workers in Private Enterprises of Gaotang County in 2008
2008年高唐县私营企业翻砂作业人员心理健康状况调查
Research on Sand Control and Increasing Production Technique in the Unconsolidated Sand Reservoirs;
疏松砂岩油藏防砂增产一体化技术研究
Research on Heavy Oil Thermal Recovery Sand Production Prediction and Sand Control Methods Optimal Selection Technology;
稠油油藏热采出砂预测与防砂技术研究
Research of Sanding Damage. and Promotion of Sand Control Technique. in Loose Reservoir of Jin 45 Region;
锦45块疏松储层出砂损害研究与防砂方法优选
Study on Improving Heat Preservation Performance of the EPS Exterior Thermal Insulation Mortar and Crack-control Property of Crack-control Mortar;
改善EPS砂浆保温性和防裂砂浆抗裂性的研究