NEX vs OII

NexTier Oilfield Solutions Inc.

NexTier Oilfield Solutions Inc., through its subsidiaries, provides well completion and production services in various active and demanding basins. The company's Completion Services segment offers hydraulic fracturing services to enhance production of oil and natural gas from formations with low permeability and restricted flow of hydrocarbons; wireline services; and perforating, pumpdown, pipe recovery, pressure pumping, and wellsite make-up and pressure testing services. As of December 31, 2020, it had approximately 37 hydraulic fracturing fleets, 116 wireline trucks, and 80 pumpdown units. The company's Well Construction and Intervention Services segment provides cementing services that incorporate custom engineered mixing and blending equipment to ensure precision and accuracy in providing annulus isolation and hydraulic seal, while protecting fresh water zones from our customers' zone of interest; and engineering software and technical guidance for remedial cementing applications, and acidizing to optimize the performance of its customers' wells. It also offers coiled tubing services to help customers in accomplishing various goals in their horizontal completion, workover, and well maintenance projects. As of December 31, 2020, this segment had approximately 25 coiled tubing units and 101 cementing units. The company serves integrated and large independent oil and natural gas exploration and production companies in the United States and internationally. NexTier Oilfield Solutions Inc. was founded in 1973 and is headquartered in Houston, Texas.

Oceaneering International Inc.

Oceaneering International, Inc. provides engineered services and products to the offshore oil and gas, defense, aerospace, and commercial theme park industries worldwide. The company's Subsea Robotics segment provides remotely operated vehicles (ROVs) to customers in the energy industry for drilling support and vessel-based services, including subsea hardware installation, construction, pipeline inspection, survey and facilities inspection, maintenance and repair. As of December 31, 2020, this segment owned 250 work-class ROVs. Its Manufactured Products segment provides production control umbilicals and connection systems; and program management, engineering design, fabrication/assembly, and installation to the commercial theme park industry, as well as mobile robotics solutions, including AGV technology to various industries. The company's Projects Group segment offers subsea installation and intervention, including riserless light well intervention services and inspection, and maintenance and repair services; installation and workover control systems, and ROV workover control systems; project management and engineering; and seabed preparation, route clearance, and trenching services for submarine cables for the renewable energy markets. Its Integrity Management & Digital Solutions segment provides asset integrity management, corrosion management, and inspection and non-destructive testing services to customers in the oil and gas, power generation, and petrochemical industries; software, digital, and connectivity solution for the energy industry; and software and analytical solutions for the bulk cargo maritime industry. The company's Aerospace and Defense Technologies segment offers government services and products, including engineering and related manufacturing in defense and space exploration activities principally to U.S. government agencies and their prime contractors. The company was founded in 1964 and is headquartered in Houston, Texas.