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- ORIENTATION DETERMINATION OF MAXIMUM HORIZONTAL STRESS IN RESERVOIR FORMATION BY PALEOMAGNETIC ORIENTATION OF CORES 利用岩芯古地磁定向研究油藏水平主应力方向
- Keywords dipolar acoustic wave;identification of gas zone;Stoneley wave;anisotropy of formations;maximum horizontal stress; 偶极声波测井;气层识别;斯通利波;地层各向异性;最大水平应力;
- Keywords imaging logging;log data;formation stress;maximum horizontal stress;minimum hori-zontal stress;wellbore breakout;hydraulic fracture; 成像测井;测井资料;地层应力;最大水平主应力;最小水平主应力;井眼崩落;压裂缝;
- Keywords dipole acoustic log;gas identification;Stoneley wave;formation anisotropy;maximum horizontal stress;metamorphic rock; 偶极声波测井;气层识别;斯通利波;地层各向异性;最大水平应力;变质岩;
- maximum horizontal stress 最大水平应力
- The main direction of the current maximum horizontal principal stress is NE-SW and NEE-SWW. 裂缝主要发育在东西两侧靠近断层、近源的构造陡坡上;
- Thus the maximum horizontal range is attained when the departure angle is 45°. 因此，当发射角为45°时，有最大水平射程。
- Like the long jump,the triple jump involves sprinting down a runway and jumping to reach a maximum horizontal distance. 和跳远一样，三级跳远也是包括助跑和跳跃以达到最远的水平距离。
- The results indicate that the horizontal principal stresses are very low presently in Tangshan area, the maximum horizontal principal stress is only 7.8 Mpa near depth of 300m, and the maximum horizontal shear stress is 1 Mpa. 测量结果表明;现在唐山地区的应力水平很低;在接近300米的深度上最大水平主应力仅7.;8兆帕;最大水平剪应力值也仅1兆帕。
- The displacement isoline around the roots changes severely, and the maximum horizontal displacement of the afforested slope happens in the area of root system. 根系周围位移等值线变化剧烈，有林边坡最大水平位移发生在边坡根系分布区；
- The present direction of the principle horizontal stress is NWW-SEE in the north of Zhuanghai area, while the direction is NEE-SWW in the south area. 桩海北部地区现今最大水平主应力的方向为北西西-南东东向，桩海南部地区现今最大水平主应力的方向为北东东-南西西向。
- The Poisson's ratio curve is also calculated out based on the curve of minimal horizontal stress which may be obtained by other reliable methods. 同时,利用泊松比与最小水平主应力的相关式,由最小主应力的变化曲线,求出了泊松比的变化曲线。
- Maximum horizontal principal stress 最大水平主应力
- The main horizontal stress in eastern China is the pressure near EW direction, but as a whole, the crust is moving east. 在水平方向上，中国东部地壳的主应力方向为近东西向的压应力，但总体上是向东推移的。
- Quantitative relationship between measured permeability of rock core and horizontal stress is studied by regressive analytical technique. 根据岩芯样品渗透率分析值和岩石水平应力，以回归分析技术研究了二者的定量关系。
- the maximum horizontal main stress 最大水平主应力
- Because tectonic stress coefficient from conventional horizontal stress model can hardly be obtained accurately, the corresponding mathematic expression is unable to make. 摘要由于传统水平地应力模型中的构造系数很难准确求取，无法获得计算水平主地应力的数学式。
- The results are as follows, the density of the specimen near implanted surface layer increases with dose, horizontal stress takes effect on surface layer. 结果表明:在注入近表面层,样品密度随剂量而增加;表面受到横向张应力的作用。
- The inversion further shows that vertical loading on plate can produce significant affects on horizontal stresses. 反演结果也表明，除了过去公认的东西向挤压作用外，巴西还受到相当明显的南北向构造作用。
- Stress can be the undoing of so many fine players. 紧张可能是这许多优秀选手失败的原因。
