With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选了九龙山构造深井高密度钻井液体系，提出了改善高密度钻井液流变性的技术措施。

With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选了九龙山构造深井高密度钻井液体系，提出了改善高密度钻井液流变的技术措施。

With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选了构造深井高密度钻井液体系，提出了改善高密度钻井液流变性的技术措施。

With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选了九龙山构造深高密度体系，提出了改善高密度流变性的技术措施。

With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选了九龙山构造深井高密度钻井，提出了改善高密度钻井流变性的技术措施。

With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选了九龙山构造深井高度钻井液体系，提出了改善高度钻井液流变性的技术措施。

With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选山构造深井高密度钻井液体系，提出改善高密度钻井液流变性的技术措施。

With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选了九龙山构造深井高密度钻井液体系，提出了改善高密度钻井液流变性的技术措施。

With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选了九龙山构造深井高密度钻井，提出了改善高密度钻井流变性的技术措施。