Joseph C. Winkler

Varco International, Inc. was a provider of engineered drilling and well servicing equipment, products and services to the world's oil and gas industry. With operations in over 40 countries across six continents, the Company was manufacture and supplies drilling systems and rig instrumentation; performs inspection and internal coating of oilfield tubulars; provides drill cuttings separation and manufactures coiled tubing, wireline and pressure control equipment for land and offshore drilling and well stimulation operations. Varco was also manufactures coiled tubing, provides in-service pipeline inspections, manufactures high-pressure fiberglass and composite tubing and sells and rents advanced in-line inspection equipment to makers of oil country tubular goods. The Company operates in four groups: Drilling Equipment, Tubular Services, Drilling Services and Coiled Tubing and Wireline Products. Varco International is located in Houston, TX.

Complete Production Services, Inc. provides specialized completion and production services and products focused on helping oil and gas companies develop hydrocarbon reserves, reduce operating costs and enhance production. The company operates through two reportable business segments: Completion and Production Services and Drilling Services. The Completion and Production Services segment maintains and enhances the flow of oil and gas throughout the life of a well. This segment is divided into three primary service lines: The Intervention Services include coiled tubing units, pressure pumping units, nitrogen units, well service rigs, snubbing units and a variety of support equipment. The Downhole and Wellsite Services include electric-line, slickline, production optimization, production testing, rental and fishing services. The Fluid Handling unit provides a variety of services to help its customers obtain, move, store and dispose of fluids that are involved in the development and production of their reservoirs. The Drilling Services segment provides services and equipment that initiate or stimulate oil and gas production by providing land drilling and specialized rig logistics services. This segment also provides repair work and fabrication services for its customers at a business located in Gainesville, Texas. Complete Production Services owns and operates regional field facilities located in the U.S. Rocky Mountain region, Texas, Oklahoma, Louisiana, Arkansas, Pennsylvania, western Canada, Mexico and Southeast Asia. The firm changed its name from Integrated Production Services, Inc. to Complete Production Services, Inc. on September 12, 2005. It was founded on May 22, 2001 and is headquartered in Houston, TX.

Varco International, Inc. was a provider of engineered drilling and well servicing equipment, products and services to the world's oil and gas industry. With operations in over 40 countries across six continents, the Company was manufacture and supplies drilling systems and rig instrumentation; performs inspection and internal coating of oilfield tubulars; provides drill cuttings separation and manufactures coiled tubing, wireline and pressure control equipment for land and offshore drilling and well stimulation operations. Varco was also manufactures coiled tubing, provides in-service pipeline inspections, manufactures high-pressure fiberglass and composite tubing and sells and rents advanced in-line inspection equipment to makers of oil country tubular goods. The Company operates in four groups: Drilling Equipment, Tubular Services, Drilling Services and Coiled Tubing and Wireline Products. Varco International is located in Houston, TX.

Complete Production Services, Inc. provides specialized completion and production services and products focused on helping oil and gas companies develop hydrocarbon reserves, reduce operating costs and enhance production. The company operates through two reportable business segments: Completion and Production Services and Drilling Services. The Completion and Production Services segment maintains and enhances the flow of oil and gas throughout the life of a well. This segment is divided into three primary service lines: The Intervention Services include coiled tubing units, pressure pumping units, nitrogen units, well service rigs, snubbing units and a variety of support equipment. The Downhole and Wellsite Services include electric-line, slickline, production optimization, production testing, rental and fishing services. The Fluid Handling unit provides a variety of services to help its customers obtain, move, store and dispose of fluids that are involved in the development and production of their reservoirs. The Drilling Services segment provides services and equipment that initiate or stimulate oil and gas production by providing land drilling and specialized rig logistics services. This segment also provides repair work and fabrication services for its customers at a business located in Gainesville, Texas. Complete Production Services owns and operates regional field facilities located in the U.S. Rocky Mountain region, Texas, Oklahoma, Louisiana, Arkansas, Pennsylvania, western Canada, Mexico and Southeast Asia. The firm changed its name from Integrated Production Services, Inc. to Complete Production Services, Inc. on September 12, 2005. It was founded on May 22, 2001 and is headquartered in Houston, TX.

Varco International, Inc. was a provider of engineered drilling and well servicing equipment, products and services to the world's oil and gas industry. With operations in over 40 countries across six continents, the Company was manufacture and supplies drilling systems and rig instrumentation; performs inspection and internal coating of oilfield tubulars; provides drill cuttings separation and manufactures coiled tubing, wireline and pressure control equipment for land and offshore drilling and well stimulation operations. Varco was also manufactures coiled tubing, provides in-service pipeline inspections, manufactures high-pressure fiberglass and composite tubing and sells and rents advanced in-line inspection equipment to makers of oil country tubular goods. The Company operates in four groups: Drilling Equipment, Tubular Services, Drilling Services and Coiled Tubing and Wireline Products. Varco International is located in Houston, TX.

Hi-Crush GP LLC is a producer and supplier of premium Northern White frac sand, which is used as a preferred prop pant in unconventional oil and gas wells. The company was founded in 2010 and is headquartered in Houston, TX.

Varco International, Inc. was a provider of engineered drilling and well servicing equipment, products and services to the world's oil and gas industry. With operations in over 40 countries across six continents, the Company was manufacture and supplies drilling systems and rig instrumentation; performs inspection and internal coating of oilfield tubulars; provides drill cuttings separation and manufactures coiled tubing, wireline and pressure control equipment for land and offshore drilling and well stimulation operations. Varco was also manufactures coiled tubing, provides in-service pipeline inspections, manufactures high-pressure fiberglass and composite tubing and sells and rents advanced in-line inspection equipment to makers of oil country tubular goods. The Company operates in four groups: Drilling Equipment, Tubular Services, Drilling Services and Coiled Tubing and Wireline Products. Varco International is located in Houston, TX.

Complete Production Services, Inc. provides specialized completion and production services and products focused on helping oil and gas companies develop hydrocarbon reserves, reduce operating costs and enhance production. The company operates through two reportable business segments: Completion and Production Services and Drilling Services. The Completion and Production Services segment maintains and enhances the flow of oil and gas throughout the life of a well. This segment is divided into three primary service lines: The Intervention Services include coiled tubing units, pressure pumping units, nitrogen units, well service rigs, snubbing units and a variety of support equipment. The Downhole and Wellsite Services include electric-line, slickline, production optimization, production testing, rental and fishing services. The Fluid Handling unit provides a variety of services to help its customers obtain, move, store and dispose of fluids that are involved in the development and production of their reservoirs. The Drilling Services segment provides services and equipment that initiate or stimulate oil and gas production by providing land drilling and specialized rig logistics services. This segment also provides repair work and fabrication services for its customers at a business located in Gainesville, Texas. Complete Production Services owns and operates regional field facilities located in the U.S. Rocky Mountain region, Texas, Oklahoma, Louisiana, Arkansas, Pennsylvania, western Canada, Mexico and Southeast Asia. The firm changed its name from Integrated Production Services, Inc. to Complete Production Services, Inc. on September 12, 2005. It was founded on May 22, 2001 and is headquartered in Houston, TX.

Complete Production Services, Inc. provides specialized completion and production services and products focused on helping oil and gas companies develop hydrocarbon reserves, reduce operating costs and enhance production. The company operates through two reportable business segments: Completion and Production Services and Drilling Services. The Completion and Production Services segment maintains and enhances the flow of oil and gas throughout the life of a well. This segment is divided into three primary service lines: The Intervention Services include coiled tubing units, pressure pumping units, nitrogen units, well service rigs, snubbing units and a variety of support equipment. The Downhole and Wellsite Services include electric-line, slickline, production optimization, production testing, rental and fishing services. The Fluid Handling unit provides a variety of services to help its customers obtain, move, store and dispose of fluids that are involved in the development and production of their reservoirs. The Drilling Services segment provides services and equipment that initiate or stimulate oil and gas production by providing land drilling and specialized rig logistics services. This segment also provides repair work and fabrication services for its customers at a business located in Gainesville, Texas. Complete Production Services owns and operates regional field facilities located in the U.S. Rocky Mountain region, Texas, Oklahoma, Louisiana, Arkansas, Pennsylvania, western Canada, Mexico and Southeast Asia. The firm changed its name from Integrated Production Services, Inc. to Complete Production Services, Inc. on September 12, 2005. It was founded on May 22, 2001 and is headquartered in Houston, TX.

Hi-Crush GP LLC is a producer and supplier of premium Northern White frac sand, which is used as a preferred prop pant in unconventional oil and gas wells. The company was founded in 2010 and is headquartered in Houston, TX.

Hi-Crush GP LLC is a producer and supplier of premium Northern White frac sand, which is used as a preferred prop pant in unconventional oil and gas wells. The company was founded in 2010 and is headquartered in Houston, TX.

Hi-Crush GP LLC is a producer and supplier of premium Northern White frac sand, which is used as a preferred prop pant in unconventional oil and gas wells. The company was founded in 2010 and is headquartered in Houston, TX.

Complete Production Services, Inc. provides specialized completion and production services and products focused on helping oil and gas companies develop hydrocarbon reserves, reduce operating costs and enhance production. The company operates through two reportable business segments: Completion and Production Services and Drilling Services. The Completion and Production Services segment maintains and enhances the flow of oil and gas throughout the life of a well. This segment is divided into three primary service lines: The Intervention Services include coiled tubing units, pressure pumping units, nitrogen units, well service rigs, snubbing units and a variety of support equipment. The Downhole and Wellsite Services include electric-line, slickline, production optimization, production testing, rental and fishing services. The Fluid Handling unit provides a variety of services to help its customers obtain, move, store and dispose of fluids that are involved in the development and production of their reservoirs. The Drilling Services segment provides services and equipment that initiate or stimulate oil and gas production by providing land drilling and specialized rig logistics services. This segment also provides repair work and fabrication services for its customers at a business located in Gainesville, Texas. Complete Production Services owns and operates regional field facilities located in the U.S. Rocky Mountain region, Texas, Oklahoma, Louisiana, Arkansas, Pennsylvania, western Canada, Mexico and Southeast Asia. The firm changed its name from Integrated Production Services, Inc. to Complete Production Services, Inc. on September 12, 2005. It was founded on May 22, 2001 and is headquartered in Houston, TX.

Varco International, Inc. was a provider of engineered drilling and well servicing equipment, products and services to the world's oil and gas industry. With operations in over 40 countries across six continents, the Company was manufacture and supplies drilling systems and rig instrumentation; performs inspection and internal coating of oilfield tubulars; provides drill cuttings separation and manufactures coiled tubing, wireline and pressure control equipment for land and offshore drilling and well stimulation operations. Varco was also manufactures coiled tubing, provides in-service pipeline inspections, manufactures high-pressure fiberglass and composite tubing and sells and rents advanced in-line inspection equipment to makers of oil country tubular goods. The Company operates in four groups: Drilling Equipment, Tubular Services, Drilling Services and Coiled Tubing and Wireline Products. Varco International is located in Houston, TX.

Hi-Crush GP LLC is a producer and supplier of premium Northern White frac sand, which is used as a preferred prop pant in unconventional oil and gas wells. The company was founded in 2010 and is headquartered in Houston, TX.

Varco International, Inc. was a provider of engineered drilling and well servicing equipment, products and services to the world's oil and gas industry. With operations in over 40 countries across six continents, the Company was manufacture and supplies drilling systems and rig instrumentation; performs inspection and internal coating of oilfield tubulars; provides drill cuttings separation and manufactures coiled tubing, wireline and pressure control equipment for land and offshore drilling and well stimulation operations. Varco was also manufactures coiled tubing, provides in-service pipeline inspections, manufactures high-pressure fiberglass and composite tubing and sells and rents advanced in-line inspection equipment to makers of oil country tubular goods. The Company operates in four groups: Drilling Equipment, Tubular Services, Drilling Services and Coiled Tubing and Wireline Products. Varco International is located in Houston, TX.

Complete Production Services, Inc. provides specialized completion and production services and products focused on helping oil and gas companies develop hydrocarbon reserves, reduce operating costs and enhance production. The company operates through two reportable business segments: Completion and Production Services and Drilling Services. The Completion and Production Services segment maintains and enhances the flow of oil and gas throughout the life of a well. This segment is divided into three primary service lines: The Intervention Services include coiled tubing units, pressure pumping units, nitrogen units, well service rigs, snubbing units and a variety of support equipment. The Downhole and Wellsite Services include electric-line, slickline, production optimization, production testing, rental and fishing services. The Fluid Handling unit provides a variety of services to help its customers obtain, move, store and dispose of fluids that are involved in the development and production of their reservoirs. The Drilling Services segment provides services and equipment that initiate or stimulate oil and gas production by providing land drilling and specialized rig logistics services. This segment also provides repair work and fabrication services for its customers at a business located in Gainesville, Texas. Complete Production Services owns and operates regional field facilities located in the U.S. Rocky Mountain region, Texas, Oklahoma, Louisiana, Arkansas, Pennsylvania, western Canada, Mexico and Southeast Asia. The firm changed its name from Integrated Production Services, Inc. to Complete Production Services, Inc. on September 12, 2005. It was founded on May 22, 2001 and is headquartered in Houston, TX.

Complete Production Services, Inc. provides specialized completion and production services and products focused on helping oil and gas companies develop hydrocarbon reserves, reduce operating costs and enhance production. The company operates through two reportable business segments: Completion and Production Services and Drilling Services. The Completion and Production Services segment maintains and enhances the flow of oil and gas throughout the life of a well. This segment is divided into three primary service lines: The Intervention Services include coiled tubing units, pressure pumping units, nitrogen units, well service rigs, snubbing units and a variety of support equipment. The Downhole and Wellsite Services include electric-line, slickline, production optimization, production testing, rental and fishing services. The Fluid Handling unit provides a variety of services to help its customers obtain, move, store and dispose of fluids that are involved in the development and production of their reservoirs. The Drilling Services segment provides services and equipment that initiate or stimulate oil and gas production by providing land drilling and specialized rig logistics services. This segment also provides repair work and fabrication services for its customers at a business located in Gainesville, Texas. Complete Production Services owns and operates regional field facilities located in the U.S. Rocky Mountain region, Texas, Oklahoma, Louisiana, Arkansas, Pennsylvania, western Canada, Mexico and Southeast Asia. The firm changed its name from Integrated Production Services, Inc. to Complete Production Services, Inc. on September 12, 2005. It was founded on May 22, 2001 and is headquartered in Houston, TX.

Complete Production Services, Inc. provides specialized completion and production services and products focused on helping oil and gas companies develop hydrocarbon reserves, reduce operating costs and enhance production. The company operates through two reportable business segments: Completion and Production Services and Drilling Services. The Completion and Production Services segment maintains and enhances the flow of oil and gas throughout the life of a well. This segment is divided into three primary service lines: The Intervention Services include coiled tubing units, pressure pumping units, nitrogen units, well service rigs, snubbing units and a variety of support equipment. The Downhole and Wellsite Services include electric-line, slickline, production optimization, production testing, rental and fishing services. The Fluid Handling unit provides a variety of services to help its customers obtain, move, store and dispose of fluids that are involved in the development and production of their reservoirs. The Drilling Services segment provides services and equipment that initiate or stimulate oil and gas production by providing land drilling and specialized rig logistics services. This segment also provides repair work and fabrication services for its customers at a business located in Gainesville, Texas. Complete Production Services owns and operates regional field facilities located in the U.S. Rocky Mountain region, Texas, Oklahoma, Louisiana, Arkansas, Pennsylvania, western Canada, Mexico and Southeast Asia. The firm changed its name from Integrated Production Services, Inc. to Complete Production Services, Inc. on September 12, 2005. It was founded on May 22, 2001 and is headquartered in Houston, TX.