Valaris plc: A History of Evolution and Resilience in Offshore Drilling
The story of Valaris plc is a reflection of the volatile nature of the global energy market. From its humble beginnings as a small Texas-based drilling operation to becoming a global leader in offshore drilling, the company has navigated extreme oil price fluctuations, strategic mergers, and complex financial restructurings.
The Early Years: From Blocker Energy to Ensco
The company's origins date back to 1975, following the 1973 oil crisis. John R. Blocker acquired Choya Energy, a contract drilling firm based in Alice, Texas, which operated six rigs. He renamed the entity Blocker Energy, setting the stage for a period of rapid growth.
By 1980, the company transitioned into a public entity through an initial public offering (IPO). This influx of capital fueled an aggressive expansion strategy between 1981 and early 1982, during which the company borrowed heavily to increase its fleet to 54 rigs.
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Financial Crisis and Restructuring
The aggressive expansion coincided with a market crash. In late 1982, oil prices plunged, leaving the company burdened by debt. To avoid bankruptcy, Blocker Energy underwent a significant restructuring process, granting banks 64% ownership of the company in exchange for $240 million in debt forgiveness.
The aftermath of this crisis saw a sharp contraction. By 1983, the company operated only six rigs, though this grew to 24 by 1984. By 1985, the global workforce had dwindled to 500 employees.
Strategic Growth and Global Expansion
A turning point occurred in 1986 when Richard Rainwater's BEC Ventures invested in the company. Rainwater appointed Carl F. Thorne as the leader, a position Thorne held for the next 20 years. In 1987, the company rebranded as the Energy Service Company (Ensco).
Growth resumed in 1990 through a transaction orchestrated by Rainwater, who held a 21% stake. Ensco acquired Penrod, a company previously controlled by Ray Lee Hunt, adding 19 rigs to its operational fleet.
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Becoming a Global Powerhouse
In 2010, Ensco shifted its strategic center by moving its headquarters to London and registering as a UK company. This was followed by the acquisition of Pride International in May 2011, which led to the consolidation of its Dallas and Houston offices.
The company reached a major milestone in October 2017 by acquiring Atwood Oceanics for $860 million. This acquisition established Ensco as the largest owner of jackup fleets—mobile drilling platforms that can be moved to a location and then "jacked up" to stand on the ocean floor—worldwide.
The Transition to Valaris plc
In 2019, the company entered a transformative merger with Rowan Companies, resulting in the creation of Valaris plc. However, the new entity soon faced severe financial headwinds.
In August 2020, Valaris filed for a prearranged bankruptcy to manage its obligations. After a period of restructuring, the company successfully emerged from bankruptcy in May 2021.
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Key Facts
- Founded: 1975 as Blocker Energy (via acquisition of Choya Energy).
- Major Rebrands: Changed to Ensco in 1987 and Valaris plc in 2019.
- Largest Acquisition: Atwood Oceanics for $860 million in 2017.
- Market Position: Became the world's largest owner of jackup fleets following the 2017 acquisition.
- Bankruptcy History: Underwent restructuring in 1982 and a prearranged bankruptcy from August 2020 to May 2021.
Company Evolution Summary
| Year | Entity Name | Key Event |
|---|---|---|
| 1975 | Blocker Energy | Acquisition of Choya Energy |
| 1980 | Blocker Energy | Initial Public Offering (IPO) |
| 1987 | Ensco | Official name change |
| 2010 | Ensco | Headquarters moved to London |
| 2019 | Valaris plc | Merger with Rowan Companies |
Frequently Asked Questions
How did Blocker Energy avoid bankruptcy in 1982?
The company restructured its finances by giving 64% of its ownership to its banks in exchange for the forgiveness of $240 million in debt.
What is a jackup fleet?
A jackup fleet consists of mobile drilling rigs that can be towed to a site and then use legs to lift the hull above the water level to provide a stable drilling platform on the seabed.
When did the company become Valaris plc?
The company became Valaris plc in 2019 following a merger with Rowan Companies.
Who led the company after the investment by BEC Ventures?
Carl F. Thorne was chosen to run the company in 1986 and served in that role for 20 years until his retirement.
What happened to the company in 2020?
Valaris plc filed for a prearranged bankruptcy in August 2020 and subsequently emerged from the process in May 2021.