1) casing strength margin
套管强度余量
1.
Since casing strength performance can be influenced by many factors,it is hard to confirm casing strength margin and its value.
套管强度性能受多种因素的影响,如何确定套管强度余量及其大小,是一个难题。
2) casing strength
套管强度
1.
Analysis of API formulas and calculation of casing strength based on reliability theory;
用可靠性理论解析API套管强度的计算公式
2.
Effect of helix distributing perforation on casing strength;
螺旋布孔射孔对套管强度的影响
3.
Computation of casing strength under non-uniform load;
非均匀载荷下套管强度的计算
3) high strength casing
高强度套管
1.
To choose non-API casing feasibly in accordance with force and the environment,to avoid using high strength casing,the strength of thick casing coupler with API BTC thread is lower than the strength of the casing body,so when we use thick casing to solve collapsing strength,the strength of coupler must be considered.
根据套管的受力、使用环境等条件合理的选用非API套管;避免使用高强度套管;API BTC螺纹厚壁套管接箍的强度低于管体的强度,使用厚壁套管解决抗挤强度时,必须考虑接箍的强度;腐蚀环境下套管的选择;根据不同井况选择不同螺纹形式,特殊螺纹与API螺纹不能互换使用;非API的新型套管下井前,可通过全尺寸模拟试验对其结构和密封完整性进行评价。
4) casing string strength
套管柱强度
1.
The casing string strength has been calc.
在套管柱强度设计中,全面分析计算了套管柱所受载荷,应用广义HooK定律定量地分析了温度压力变化对套管柱轴向力和套管强度的影响,并应用优化方法进行套管柱强度设计。
5) casing strength degradation value
套管强度下降值
1.
Then a statisties equation of the casing strength degradation value K after perforation is given out through pressing experiments in the laboratory and statistical theory analysis.
利用大孔径高孔密射孔弹,通过多组混凝土靶进行射孔打靶试验,并对打靶后的套管进行射孔对套管强度影响试验与分析,通过实验室的试验机进行挤压实验及统计理论分析,给出射孔后套管强度下降值 K 的统计公式,为采油工程方案设计提供了可靠的依据。
6) casing strength of collapse resistance
套管抗挤强度
1.
The casing strength of collapse resistance is an important index of weighing the performance of casing strength.
套管抗挤强度是衡量套管强度性能的一项重要指标。
补充资料:表光合强度(见光合强度)
表光合强度(见光合强度)
forecast of sowing or transplanting time
b iaoguanghe qiangdu表光合强度见光合强度
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条