Pioneer Energy Services Corp. provides drilling services and production services to oil and gas exploration, and production companies throughout onshore oil and gas producing regions of the United States and in Colombia. The Company conducts its operations through two operating segments: Drilling Services Segment and Production Services Segment. The Company’s Drilling Services Segment provides contract land drilling services to a group of oil and gas exploration and production companies through its six drilling divisions in the United States and in Colombia. The Company’s Production Services Segment provides a range of services to exploration and production companies, including well servicing, wireline services and coiled tubing services. The Company also provides coiled tubing and wireline services offshore in the Gulf of Mexico.