Lars Bethuelsen

Archer Management AS engages in oil and gas field services. It provides platform drilling, engineering, and well intervention services. The company was founded in 2007 and is headquartered in Stavanger, Norway.

Altus Intervention Ltd. provides well intervention, process, and pipeline services to the oil and gas industry. It offers well services such as coil tubing, pumping, sub sea well intervention, and engineering as well as wire line services such as slick line, cased hole/tractor logging, and heavy duty fishing. The company also provides pipeline services such as pre commissioning and commissioning, flexible riser system testing, bolt tensioning & torquing, pipe freezing, nitrogen services, refrigerant recovery, and video inspection. It operates in the United Kingdom, Norway, Denmark, Spain Azerbaijan, Egypt, Yemen, Ivory Coast, Mauritania, Tanzania, Angola, Equatorial Guinea, Gabon, the United Arab Emirates, Qatar, Brazil, Malaysia, Indonesia, and Australia. The company was founded by Tommy Dreelan in November 2001 and is headquartered in Aberdeen, the United Kingdom.

Part of Baker Hughes Co., Altus Intervention Holding Ltd. is a British company that functions as an investment holding company. The company is based in Aberdeen, UK and was founded in 2013.

Altus Intervention AS provides oilfield products, systems, and services for customers in the oil and gas industry worldwide. Its knowledge and technologies span from reservoir to production and through the life of a field. The firm offers a range of intervention services such as wireline, wireline tractor, and logging services. It gives drilling services activities for petroleum and natural gas. The company is headquartered in Stavanger, Norway.

OZ HoldCo AS is an investment holding Norwegian company founded in 2013. The private company is based in Stavanger, Norway. The company operates as an investment holding company.

Allis-Chalmers Energy, Inc. provided equipment to the oil and natural gas exploration companies. It operated through two segments: Drilling Services and Well Services. The Drilling Services segment provided international and domestic drilling, directional drilling, underbalanced drilling, tubular services, and rental services operations. The Well Services segment provided production services and valve manufacturing operations. The company was founded by Munawar H. Hidayatallah in 1913 and was headquartered in Houston, TX.

Altus Intervention Group AS provides oil well intervention technology services. Its products include wireline tractor tools, rotational tools, scale removal tools, and collecting tools. It offers combinations of innovative and field-proven well intervention technologies and tools. The company was founded on September 24, 2013 and is headquartered in Stavanger, Norway.