Pneumatic reverse circulation drilling machinery

A gas lift reverse circulation rig is a Drilling Equipment that uses the principle of upward flow of gas to improve drilling efficiency. The rig achieves drilling operations by injecting high pressure gas at the wellhead to create an upward flow of gas inside the well, bringing cuttings and mud out of the wellhead.

The gas lift reverse circulation rig works by using the buoyancy and rising speed of the gas to be greater than the speed of the cuttings and mud to bring the cuttings and mud out of the wellhead. The rig injects high-pressure gas through the air nozzle at the wellhead to form a gas column that allows the gas to enter the well from inside the drill pipe and carry the drilling cuttings and mud out of the wellhead. At the same time, the flow and pressure of the gas are controlled through the gas nozzle in the hole to ensure that the gas can effectively carry the drilling cuttings and mud out of the well head.

The gas lift reverse circulation drilling rig has the advantages of fast drilling speed, high drilling efficiency and low drilling cost. It can reduce the drilling fluid pollution in the drilling process to a certain extent, and improve the safety and environmental protection of drilling operations. At the same time, the gas lift reverse circulation rig can quickly bring out cuttings and mud, reducing the drilling fluid cycle time during the drilling process, thus improving the efficiency of drilling operations.

In short, gas lift reverse circulation drilling rig is a kind of drilling equipment that uses the principle of gas rising flow to improve drilling efficiency. It has the advantages of fast drilling speed, high efficiency and low cost, and is a common technical means in modern drilling operations.