Air-Driven Reverse Circulation Drilling rig

Gas lift reverse circulation rig is a Drilling Equipment that uses gas pressure to extract drilling fluid from the bottom of the well. The construction principle is as follows:

1. Drilling fluid travels through the drill pipe to the bottom of the well, and then through the drill bit hits the rock formation, carrying away the cuttings.

2. The drilling fluid forms a circulating flow environment at the bottom of the well, bringing the cuttings to the well head, and then sending the drilling fluid back to the bottom of the well through the mud pump to form a circulation.

3. When there are too many cuttings in the drilling fluid or large rocks at the bottom of the hole, the circulation may be blocked, resulting in low drilling efficiency.

4. To solve this problem, the gas lift reverse circulation rig introduced gas pressure to create bubbles by injecting gas at the wellhead, thereby drawing drilling fluid up from the bottom of the well and carrying cuttings with it.

5. This can effectively improve drilling efficiency, reduce bottom hole congestion, and reduce drilling costs and risks.