But the quartz content increases with the increasing of well depth.
石英含量随井深增加而增大。
The invention discloses a point-by-point excitation well depth designing method based on a uniform near-surface model.
本发明公开了一种基于一致近地表模型的逐点激发井深设计方法。
Then, according to mathematics equation of the model, an equation of internal returns ratio and daily production of single well and well depth was derived.
然后，根据模型的数学方程推导出关于内部收益率与单井日产量和井深的方程式。
The deep gas wells of Qingshen gas field in Daqing are characterized by the great well depth, high bottom temperature, high bottom pressure and gas production with water.
大庆油田庆深气田的深层天然气井具有井深、井底温度高、井底压力大、气水同产等特点，前人的井底静压折算公式不能达到生产所需的精度。
The influence of water temperature on water head height becomes bigger as the well depth increases. The pressure at the well bottom has to be measured by instruments in the well.
随着井深增加，水温对水头高度的影响越来越大，需要采用下井仪器测量井底压力。
The steady-state flows in drill pipe and in annulus are analyzed and the variations of pressure, gas void fraction, and multiphase-flow density along the well depth are simulated.
举例分析在环空和钻柱内的稳定流动过程中，随井深增加，压力、含气率、多相流体密度等的变化规律；
According to the well logging requirement, the embedded system with 80c196, interface circuit, and the circuit of signal adjusting on the well depth and indicator diagram are designed.
根据测井要求，设计了80c196单片机系统及其外围接口电路，并分别为液面反射波信号和功图信号设计了调理电路。
During developing well depth measurement system for mud logging unit, it directly affects the accuracy of well depth measurement whether winch sensor signal processing is rational or not.
井深测量是综合录井最为重要的参数之一，在录井仪井深测量系统研制过程中，绞车传感器信号处理是否合理，将直接影响井深测量的精度。
The invention can optimize the excitation well depth design, enhance the signal-to-noise ratio of the earthquake collecting single-shot record, and greatly improve the information quality.
本发明能够优化激发井深设计，提高地震采集单炮记录信噪比，较大程度提高资料品质。
This paper presents a theoretical model for realistic annular pressure loss calculation in which the eccentricity is a function of the well depth and a simplified method for field calculations.
本文介绍偏心度为井深函数的实际环空中压降计算的理论模型和便于现场使用的简化计算方法。
Because the temperature and pressure are various in different well depth, and the foam fluid rheology change with well depth, it is difficult to determine the foam fluid rheology during drilling.
石油钻井过程中，由于井内温度、压力随井深不断地变化，在不同的井深处泡沫流体的流变性会发生明显的变化，给确定泡沫流变性带来了一定的困难。
Along with the unceasing increase in both displacement distance and well depth, the closed-loop control which can solve the question mentioned above has become a forward problem in drilling industry.
随着钻井的位移和井深不断增加，能够解决上述问题的井眼轨迹闭环控制已成为钻井行业的前沿课题。
Along with the unceasing increase in both displacement distance and well depth, the closed-loop control which can solve the question mentioned above has become a forward problem in drilling industry.
随着钻井的位移和井深不断增加，能够解决上述问题的井眼轨迹闭环控制已成为钻井行业的前沿课题。
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