Noble Corporation
Noble Corporation is a London-based offshore drilling contractor operating drillships, semi-submersible rigs, and jackup rigs for international oil and gas producers.
Last updated August 31, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
Noble Corporation is an offshore drilling contractor and the corporate successor to Noble Drilling Corporation. The company provides contract drilling services to oil and gas companies, operating a fleet composed of deepwater drillships, semi-submersible platforms, and jackup rigs. Its business is tied to exploration and production spending by energy companies, particularly in technically demanding offshore regions. The modern Noble organization emerged from the 1985 spin-off of Noble Drilling Corporation by Noble Affiliates, Inc. It subsequently changed its corporate structure and domicile several times. In 2002, the business reorganized with Noble Corporation established as the parent holding company and its domicile moved to the Cayman Islands. In 2009, it shifted its domicile to Switzerland amid concerns about possible changes in United States tax treatment of Caribbean jurisdictions, and in 2013 it moved to the United Kingdom. These changes reflected the international legal and tax structure commonly used by large offshore drilling contractors rather than a change in the basic operating business. Noble expanded through acquisitions and fleet restructuring. In 2010 it bought Frontier Drilling in a cash transaction valued at approximately $2.16 billion, adding drilling assets and operations. In 2014, the company distributed its interests in Paragon Offshore to shareholders, separating a portion of its fleet and operations into a distinct company. Noble later experienced severe financial pressure during the offshore drilling downturn and filed for bankruptcy protection in July 2020. It completed its restructuring and emerged from bankruptcy in February 2021. After restructuring, Noble pursued consolidation and fleet growth. It acquired Pacific Drilling in April 2021, strengthening its position in the ultra-deepwater segment. In 2021, Noble and Maersk Drilling announced a merger under which the combined company would retain the Noble name. The transaction, reported at an enterprise valuation of approximately £2.6 billion, closed on October 3, 2022. The merger combined Noble's drilling fleet and customer relationships with Maersk Drilling's offshore assets and operational capabilities. In June 2024, Noble announced an agreement to acquire Diamond Offshore Drilling in a cash-and-stock transaction valued at approximately $1.6 billion. The transaction was intended to increase scale, broaden the fleet, and strengthen Noble's position in offshore drilling. Reference material describes the post-combination business as having approximately 5,300 employees and more than 35 rigs; the cited company profile describes a fleet of 38 rigs, including 17 drillships, eight semi-submersible rigs, and 13 jackups. Noble's customers include major international oil companies and national oil companies. In 2020, ExxonMobil, Shell, Equinor, and Saudi Aramco together represented a substantial share of reported revenue, illustrating both the quality of Noble's customer base and the concentration risk inherent in large offshore drilling contracts. The company does not sell consumer products: its principal offerings are rig capacity, drilling services, well-construction support, and related offshore operational expertise. Its positioning is that of a global, technically capable drilling contractor serving deepwater, ultra-deepwater, and jackup markets.
History
Noble Corporation traces its corporate history to the Noble Drilling Corporation, which was spun off by Noble Affiliates, Inc. in 1985. The spin-off established drilling as a separately organized business within the broader Noble group. Over time, the company developed into an international offshore drilling contractor, providing rig capacity and drilling services to oil and gas producers rather than selling fuel or other energy commodities directly. The company reorganized its legal structure in 2002. Noble Corporation became the parent holding company and the corporate domicile moved to the Cayman Islands. In early 2009, the company moved its domicile from the Cayman Islands to Switzerland, citing the possibility of higher United States taxes on Caribbean tax-haven structures. In 2013, it moved again, this time to the United Kingdom. The operating business remained focused on offshore drilling while the changes reflected corporate, tax, and governance considerations. Noble pursued expansion during the offshore industry's growth period. In 2010, it acquired Frontier Drilling in a cash transaction valued at approximately $2.16 billion. The acquisition added assets and capabilities to Noble's drilling portfolio. In 2014, Noble distributed its interests in Paragon Offshore plc to its shareholders. This transaction separated a group of drilling assets and interests from Noble's continuing corporate structure. The offshore drilling downturn placed substantial pressure on Noble and its peers. In July 2020, Noble filed for bankruptcy protection. The proceeding was part of a broad restructuring response to weak drilling demand, low utilization, and the high financial burden carried by offshore contractors. Noble emerged from bankruptcy in February 2021, after which it returned to an expansion and consolidation strategy. In April 2021, Noble acquired Pacific Drilling, strengthening its presence in deepwater and ultra-deepwater drilling. Later that year, Noble and Maersk Drilling announced plans to merge. The proposed combination was presented as a way to create a larger and more competitive offshore drilling contractor, with the combined company retaining the Noble name and an indicated valuation of approximately £2.6 billion. The merger closed on October 3, 2022, bringing Maersk Drilling's assets and operations into Noble. Noble continued its consolidation strategy in 2024 by announcing an agreement to acquire Diamond Offshore Drilling for approximately $1.6 billion in cash and stock. The transaction was intended to broaden Noble's fleet and improve scale in the offshore drilling market. Reference material describes the resulting company as employing approximately 5,300 people and operating more than 35 rigs. Another cited profile gives a fleet of 38 rigs: 17 drillships, eight semi-submersible platforms, and 13 jackup rigs. The company has served large international and national energy producers. In 2020, ExxonMobil accounted for 26.6 percent of revenue, Shell for 21.7 percent, Equinor for 14.3 percent, and Saudi Aramco for 13.8 percent. This customer mix demonstrates Noble's participation in major offshore projects while also showing its exposure to a relatively concentrated set of clients. Operational incidents have also appeared in the company's history. In 2012, the Noble Discoverer lost its mooring while working under contract for Shell and drifted near shore; no injuries or environmental damage were reported. In 2017, worker Steve Sutherland went missing from the Noble Lloyd Noble rig and was not recovered according to the cited account. These events are operational incidents rather than, on the available material, established corporate scandals. Reference material further states that Noble agreed in December 2025 to sell five premium jackup rigs to Borr Drilling for approximately $360 million. The proposed transaction included three Friede & Goldman JU-3000N rigs and two Gusto MSC CJ50 rigs, with two units expected to be chartered back temporarily. The same material says the transaction was completed in January 2026, generating approximately $210 million in cash and $150 million in seller notes. Because these dates are later than much of the historical record, they should be verified against current company filings before being treated as definitive.
- 2026
Reported completion of jackup-rig sale
[1]Reference material states that Noble completed the sale of five jackups to Borr Drilling in January 2026.
- 2025
Agreement to sell five jackup rigs
[1]Noble agreed to sell five premium jackup rigs to Borr Drilling for approximately $360 million.
- 2024
Diamond Offshore acquisition announced
[1]Noble announced a proposed approximately $1.6 billion cash-and-stock acquisition of Diamond Offshore Drilling.
- 2022
Maersk Drilling merger completed
[1]The merger with Maersk Drilling closed on October 3, 2022, with the combined business operating under the Noble name.
- 2021
Emergence from bankruptcy and Pacific Drilling acquisition
[1]Noble emerged from bankruptcy in February and acquired Pacific Drilling in April.
- 2020
Bankruptcy filing
[1]Noble filed for bankruptcy protection during the offshore drilling industry's downturn.
- 2014
Paragon Offshore interests distributed
[1]Noble distributed its interests in Paragon Offshore plc to shareholders, separating part of its drilling portfolio.
- 2013
Domicile moves to the United Kingdom
[1]Noble transferred its corporate domicile to the United Kingdom.
- 2010
Frontier Drilling acquisition
[1]Noble acquired Frontier Drilling in a cash transaction valued at approximately $2.16 billion.
- 2009
Domicile moves to Switzerland
[1]The company moved its domicile from the Cayman Islands to Switzerland in response to potential United States tax changes affecting Caribbean tax-haven structures.
Products and positioning
A global offshore drilling contractor focused on technically demanding deepwater, ultra-deepwater, and jackup projects for major international and national oil companies.
Offshore drilling fleet
Drillships
Noble operates drillships designed for deepwater and ultra-deepwater drilling. These dynamically positioned vessels integrate drilling equipment, subsea systems, storage, and offshore support functions on a ship-shaped platform. They are used for exploration and development wells in water depths and environments where conventional fixed platforms or jackups are unsuitable.
Offshore drilling fleet
Semi-submersible drilling rigs
Noble's semi-submersible rigs provide mobile offshore drilling capacity for deepwater projects. Their partially submerged pontoons and elevated operating decks provide stability in open-water conditions. The rigs can be deployed under different mooring and station-keeping arrangements and support exploration, appraisal, and development work for large energy producers.
Offshore drilling fleet
Jackup drilling rigs
Jackup rigs are mobile offshore units used primarily in shallow and medium-depth water. Noble's jackups support drilling and well-construction programs from a raised platform supported by legs placed on the seabed. The fleet has included premium units intended for demanding environments and high-specification drilling contracts.
Energy services
Contract drilling services
Noble supplies rig capacity and associated offshore drilling services under contracts with international oil companies and national oil companies. Its work can include rig operations, well construction support, offshore crews, maintenance, and the technical execution of drilling programs. Revenue is generally linked to contracted day rates, utilization, and customer project activity.
Brand decisions
2025
Sell five premium jackup rigs to Borr DrillingStrategyBackground
Noble undertook a fleet transaction involving premium jackup units while maintaining temporary access to some of the rigs.
Action taken
Noble agreed to sell three Friede & Goldman JU-3000N rigs and two Gusto MSC CJ50 rigs to Borr Drilling, with two units expected to be chartered back temporarily.
Aftermath
The transaction was expected to generate approximately $360 million in total consideration, subject to customary closing conditions.
Announced transaction value. Approximately $360 million (December 2025 announcement)
2024
Acquire Diamond Offshore DrillingM&ABackground
Noble continued pursuing scale and fleet breadth in the offshore drilling market.
Action taken
Noble announced a proposed acquisition of Diamond Offshore Drilling using a combination of cash and stock.
Aftermath
The announced transaction was intended to broaden Noble's fleet and strengthen its position in offshore drilling; completion details require verification from current company filings.
Announced transaction value. Approximately $1.6 billion (June 2024 announcement)
2021
Acquire Pacific DrillingM&ABackground
Noble sought to strengthen its presence in deepwater and ultra-deepwater drilling after completing its restructuring.
Action taken
Noble acquired Pacific Drilling in April 2021.
Aftermath
The transaction expanded Noble's deepwater fleet and supported its return to consolidation in the offshore drilling sector.
2021
Merge with Maersk DrillingM&ABackground
The companies pursued scale and a broader fleet in a consolidating offshore drilling market.
Action taken
Noble and Maersk Drilling agreed to merge, with the combined business retaining the Noble Corporation name.
Aftermath
The merger closed on October 3, 2022, creating a larger offshore drilling contractor.
Indicated transaction valuation. Approximately £2.6 billion (2021 announcement)
2020
Enter bankruptcy protectionOtherBackground
A prolonged downturn in offshore drilling weakened demand, utilization, and the financial position of drilling contractors.
Action taken
Noble filed for bankruptcy protection in July 2020 and pursued a financial restructuring.
Aftermath
Noble emerged from bankruptcy in February 2021 with a restructured business and subsequently resumed an acquisition-led growth strategy.
2014
Separate Paragon Offshore interestsStrategyBackground
Noble restructured ownership of part of its drilling portfolio.
Action taken
The company distributed its interests in Paragon Offshore plc to Noble shareholders.
Aftermath
Paragon Offshore became a separate company, reducing the portion of the fleet held directly within Noble's continuing structure.
2010
Acquire Frontier DrillingM&ABackground
Noble sought to expand its offshore drilling assets and operating scale through the purchase of Frontier Drilling.
Action taken
Noble completed a cash acquisition of Frontier Drilling valued at approximately $2.16 billion.
Aftermath
The acquisition broadened Noble's drilling portfolio and became one of the company's principal expansion transactions of the period.
Transaction value. Approximately $2.16 billion (2010)
Recent events
- 2026
Noble completes sale of five jackup rigs to Borr Drilling[1]
M&A
Reference material states that Noble completed the sale in January 2026, receiving approximately $210 million in cash plus $150 million in seller notes. Two rigs were to be temporarily chartered back to Noble.
- 2025
Noble sells five premium jackup rigs to Borr Drilling[1]
M&A
Noble agreed to sell five premium jackup drilling rigs to Borr Drilling for approximately $360 million, subject to customary closing conditions.
- 2024
Noble Corporation agrees to acquire Diamond Offshore Drilling[1]
M&A
Noble announced a proposed cash-and-stock acquisition of Diamond Offshore Drilling valued at approximately $1.6 billion.
- 2022
Noble-Maersk Drilling merger closes[1]
M&A
The merger between Noble Corporation and Maersk Drilling was completed on October 3, 2022.
- 2021
Noble Corporation emerges from bankruptcy[1]
Bankruptcy
The company completed its restructuring and emerged from bankruptcy in February 2021.
- 2021
Noble Corporation acquires Pacific Drilling[1]
M&A
Noble completed the acquisition of Pacific Drilling, expanding its deepwater and ultra-deepwater drilling portfolio.
- 2021
Noble Corporation and Maersk Drilling announce merger[1]
M&A
Noble and Maersk Drilling announced a merger that would create a larger offshore drilling company operating under the Noble name.
- 2020
Noble Corporation files for bankruptcy protection[1]
Bankruptcy
Noble Corporation entered bankruptcy proceedings during the prolonged offshore drilling downturn and subsequently restructured its obligations.
- 2017
Worker goes missing from Noble Lloyd Noble rig[1]
Other
Employee Steve Sutherland went missing from the Noble Lloyd Noble drilling rig. Search efforts were later scaled back, and he was not recovered according to the reference material.
- 2012
Noble Discoverer loses mooring while operating for Shell[1]
Other
The Noble Discoverer drillship lost its mooring and drifted close to shore. The reported incident caused no injuries or environmental damage.
Sources1 sources
Cite this profile: Cite the canonical profile. /brand-wiki/noble-corporation · Editorial policy · How profiles are compiled