哪些事项容易形成特别风险？

A. 地层压力剖面和岩性剖面清楚，井身结构合理，裸眼井段井壁稳定。
B. 地层出水量不影响井壁稳定和气体钻井工艺实施，且所钻地层不含H₂S气体。
C. 实施空气钻井井段，返出气体中全烃含量应小于3％；实施氮气钻井井段，天然气出气无阻流量应在8×10⁴m³/d以下。
D. 实施气体钻井的队伍应具有相应资质。

A. 正确
B. 错误

A. designates the state of a commodity when the ship is heeled past the angle of repose
B. relates to the suitability of loading a cargo by flowing down inclined chutes
C. refers to the saturation of a dry bulk product with water to the point where it acts as a liquid
D. relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30°