it approaches the pay zone based on depth .
按深度,现在快接近油气层了。
the study shows that the phase space attractor of pay zone is characterized by self-scaling structure and relatively high dimension and fast convergence of correlation dimension spectrum;
油层相空间吸引子明显呈现混沌特性,具有自相似结构,关联维数谱相对呈高维快速收敛状;
when pay zone is at the bottom of a well, the physical properties of oil, gas and water vary with temperature and pressure.
在井底产层的条件下,油气水的物性参数随温度和压力的变化而变化。
the weathering crust of majiagou formation in ordovician of changqing gasfield in ordos basin is the major pay zone with the evaporated marginal sea facies.
鄂尔多斯盆地中部气田奥陶系马家沟组属蒸发边缘海相地层,其风化壳是中部气田的主要产气层段。
because the uncertainties of the pay zone top depth and wellbore turn-off direction affected by the formation, it made controlling the wellbore trajectory very difficult.
由于油顶深度及地层对井眼方位漂移不确定等因素的影响,该井井眼轨迹控制难度较大。
in the meantime, fracture developing frequency of fuyu oil pay zone is analyzed and calculated by using ratio of vertical wave velocity―「crocodile factor」method.
同时,运用纵波波速的比值――「龟裂系数」方法对扶余油层储层的裂缝发育频率进行了分析、计算。
the low resistivity pay zone has very complicated genesis and conductive mechanism.
低电阻率油层成因和导电机理非常复杂。
they read waters will and put the fly in the pay zone time after time.
他们把经过飞水将在磷瑷一次又一次地带。
through analyzing the influences of information factors, measure of oil pay zone protection, injection, completion and fracture to improve development effects and enhance economic benefit.
通过对地层因素,油层保护措施,注水方式,完井及压裂等主要因素的分析,以指导改善低渗透油藏水平井开发效果,提高经济效益。
the origins of low resistivity pay zone are complex and variety.
低电阻率油层成因复杂,类型多样。
ubd with ct can reduce the formation and pay zone damage, enhance the penetration rate, improve safe operation with high efficiency and drop drilling costs.
欠平衡连续油管鉆井,可减少鉆井过程中对地层和产层的损害,可提高机械鉆速,安全高效率鉆井,降低鉆井成本。
cement sheath are the main composites for cementing well and isolating the pay zone together with casing pipes.
水泥石是构成井下水泥环的主要材料,它和套管共同起到层间封隔的作用。
by analyzing the test results and logging data digitalization, it has proven that this technology will play a part in acquisition of real formation data, reduction of pay zone contamination …
通过对测试成果和测井资料的数字化处理分析,肯定了该工艺在获取地层真实资料、降低产层污染和缩短试油周期等几方面的作用。
the origin of low resistivity pay zone at different area and zone can't be treated as the same, we should concretely analyse different situation.
不同地区,不同层位的低电阻率油层成因不能一概而论,应具体情况具体分析。
knowledge of the stress variation between the pay zone and the adjacent layers is therefore essential for predicting the extent that the fracture grows out of the zone.
因此,对产油区和相邻层之间应力变化的了解,对于预测该地层产生断裂的程度则非常重要。