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- near balance pressure drilling 商852井
- Under balance pressure drilling technology and coalbed gas development 欠平衡钻井技术与煤层气开发
- Keywords under balance pressure drilling;engineering design;cavey-preventing drilling fluid;drill stem test; 欠平衡钻井;工程设计;防塌钻井液;中途测试;
- Balanced Pressure Drilling Problem in Low Permeability Gas Formation 低渗天然气层的平衡压力钻井问题
- Distinct variations of managed pressure drilling exhibit application potential. 控制钻井压力的不同变化可解决钻井中存在的压力问题。
- Formation damage can be prevented by reducing differential pressure, using aerated drilling fluid, choosing the lowest over balance pressure or reducing the interface tension of gas and water. 采用减小生产压差、应用气体或含气钻井液、合理选择最小过平衡压力或减小气水界面张力的方法,可以预防和减轻地层损害。
- balanced pressure drilling 欠平衡钻井
- It should have high density so as to balance pressure and improve the displacement efficiency in the well cementation for more and more high-density drilling fluid used in complex deep wells. 由于复杂深井中高密度钻井液的使用越来越多,因此在固井中为平衡压力、提高顶替效率,要求隔离液也有相应的高密度。
- This kind of balance is iron lever mostly, malady is near balance department, weighbeam can be extended can shrink, control in 5 centimeters commonly. 这种秤大都是铁杆,弊病在秤系四周,秤杆能伸能缩,一般在5厘米左右。秤猪时秤杆缩进去,检秤时把秤杆拉出,定盘星还准。
- The gas underbalance pressure drilling test for protecting reservoir was carried out in two holes. 开展了2口保护储层的天然气欠平衡钻井试验。
- In light of the geological features of reservoirs in Changqing Gas Field, the study and test of gas underbalance pressure drilling technology have been carried out in the field. 摘要针对长庆气田储层地质特征,开展了长庆气田天然气欠平衡钻井技术研究及试验。
- The research study pharyngotympanic tube function of balance pressure by Az-26 Impedance Audiometer made in Dane. 应用丹麦生产的Az -2 6型声阻抗仪 ,对反复发作的慢性扁桃体炎所致的扁桃体肥大进行咽鼓管气压平衡功能的测定。
- Being a man has always been dangerous.There are about 105 males born for every 100 females, but this ratio drops to near balance at the age of maturity, and among 70-year-olds there are twice as many women as men. 译:做男人总是充满危险,出生时男女比例大约是105:100,但到了成熟期,这一比例几乎持平,而在70岁的老人中女性是男性的两倍。
- This paper compared several testing methods of carburized depth of high air pressure drill and evaluafed their accurately and practicality. 比较了高风压钻头渗碳层深度的不同检验方法,并对其正确性和实用性进行了探讨。
- Firstly,twenty one groups of datum of pore volume in relation to initial pressure and balance pressure are measured by serval standard cores. 该方法是用7个标准钢心测得孔隙体积关于初始压力与平衡压力的21组数据;
- XM-230/80 rotary seal head is a rotary seal unit on wellhead, specialized for negative pressure and low pressure drilling, characterized by reliable sealing effect, ease of opration and safe service. XM-230/80型钻井旋转密封头是一种专用于负压、低压钻井的井口旋转密封装置,具有密封可靠、操作简单和防爆、安全等优点。
- But where would that leave Lithuania, which is nowhere near balancing its books, and borrowing expensively from private lenders instead of turning to the IMF? 但是,账面平衡对于立陶宛来说遥遥无期,除了向IMF要钱外它根本没有能力向私人借贷。
- For the purpose of balancing pressure and stabilizing formation,better isolating drilling fluid and slurry,improving replacing ratio,the DG high temperature resistant spacer was developed and used. 为平衡压力,压稳地层,更好地隔离钻井液和水泥浆,提高顶替效率,设计采用DG抗高温隔离液。
- The mechanism of hydration processes of partially hydrated magnesium chloride was discussed in this paper. The balance pressure of water vapor during hydration processes of partially magnesium chloride was calculated. 摘要对低水合氯化镁的吸水过程进行了初步的探讨,并对低水合氯化镁吸水过程中与水蒸气的平衡分压进行了计算。
- His clinic is near the newly-built railway station. 他的诊所在新建的火车站附近。