Horizontal Well

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Definition of 'Horizontal Well'

A horizontal well is a type of oil or gas well that is drilled horizontally, rather than vertically. This allows the well to reach more of the reservoir, and can increase the amount of oil or gas that can be extracted.

Horizontal wells are typically drilled using a directional drilling rig, which can steer the drill bit to the desired location. The well is then completed by perforating the reservoir and installing a production casing.

Horizontal wells can be used in a variety of geological formations, including shale, tight sands, and carbonates. They are often used in conjunction with hydraulic fracturing, which is a process that uses high-pressure water and chemicals to fracture the rock and create pathways for the oil or gas to flow to the well.

Horizontal wells have become increasingly popular in recent years, as they can be more cost-effective than vertical wells. They can also be used to extract oil or gas from formations that would not be accessible with vertical wells.

However, horizontal wells can also be more complex to drill and complete, and they can pose a greater risk of environmental contamination.

Overall, horizontal wells are a valuable tool for the oil and gas industry. They can help to increase production and reduce costs, and they can be used to access oil and gas from formations that would not be otherwise accessible. However, it is important to be aware of the potential risks associated with horizontal wells, and to take steps to mitigate these risks.

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