Drilling Inclinometer and Geophysical Exploration Geophone are Beijing HekangĄ¯s leading products. Meantime Drilling Inclinometer is classified into Photographic Inclinometer, Electronic (single-shot, multi-shot, and wired-drilling) Inclinometer. The inclinometers are applied to all oil fields in China and serviced for oil drilling wells for over 20 countries and areas such as Russia, USA, South East Asia, Middle East, Africa, etc.