Montana Designation of Pooled Unit for Oil and Gas is a process that allows multiple tracts of land to be combined into a single production unit for efficient extraction of oil and gas resources. This designation is important in ensuring optimum resource utilization and preventing waste in the state of Montana. When it comes to the types of Montana Designation of Pooled Unit for Oil and Gas, there are primarily two categories: 1. Voluntary Pooled Units: These units are created when landowners voluntarily agree to combine their individual tracts of land into a larger unit. The purpose is to maximize production efficiency and reduce costs by sharing infrastructure such as wells, pipelines, and storage facilities. Voluntary pooled units are typically established through contractual agreements between landowners and the operating oil and gas company. 2. Forced or Compulsory Pooled Units: In certain cases, the Montana Board of Oil and Gas Conservation can enforce the pooling of unleashed or non-consenting mineral interests into a unit. This usually occurs when some landowners refuse to participate or lease their mineral rights for extraction operations, preventing the efficient development of the resource. Forced pooling ensures fair compensation for the non-consenting interest owners while allowing the overall unit to proceed. Keywords: Montana, Designation of Pooled Unit, Oil and Gas, Voluntary Pooled Units, Forced Pooled Units, Montana Board of Oil and Gas Conservation, Resource Utilization, Efficiency, Cost Reduction, Infrastructure Sharing, Oil Extraction, Gas Extraction, Non-consenting Mineral Interests, Lease.