Pason Systems is a company that provides data management systems for land-based and offshore rigs. Its products include AutoDriller, which delivers payout to rate of penetration (ROP), Drilling Advisory System (DAS), a rotary drilling automation and optimization software, Electronic Choke Actuator (eChoke), which regulates the rate at which excess gas pressure is bled out of the manifold, etc. The company also offers phone, chat, field support, monitoring, data integration, and other services. Pason caters to the oil and gas drilling industry.