海洋天然气水合物降压开采地层井壁力学稳定性分析 <sup>1)</sup>

海洋天然气水合物降压开采地层井壁力学稳定性分析 ¹⁾

袁益龙^*^†,许天福^*^†,辛欣^*^†,夏盈莉^*^†,李冰^†^**²⁾(

)

MECHANICAL STABILITY ANALYSIS OF STRATA AND WELLBORE ASSOCIATED WITH GAS PRODUCTION FROM OCEANIC HYDRATE-BEARING SEDIMENTS BY DEPRESSURIZATION ¹⁾

Yuan Yilong^*^†,Xu Tianfu^*^†,Xin Xin^*^†,Xia Yingli^*^†,Li Bing^†^**²⁾(

)

图10. 水合物储层顶部空间沉降特征

Fig. 10. Spatial distribution of the vertical displacement at the top of hydrate reservoir