Seadrill Ltd (SDRL)

Offshore drilling is a capital-intensive business with commodity pricing and cyclical demand — own an aging rig at the top of the cycle and you bleed cash.

Seadrill operates a fleet of offshore drilling rigs — large, complex platforms anchored or floating in deep water where they drill exploration and production wells for oil and gas companies. The company owns a mix of jack-up rigs (which rest on the seafloor in shallow to medium depths), semi-submersible rigs (anchored to the seabed in deeper water), and drillships (floating vessels that can move to different locations). These assets cost hundreds of millions of dollars each and take years to build. Seadrill owns roughly 30 units across its fleet, earning money by leasing them to oil majors and independent producers on multi-month or multi-year drilling contracts.

The company is profitable when oil prices are high and producers are investing aggressively in exploration and drilling to maintain or expand production. It loses money or limps along when oil prices are low, because producers cut exploration budgets, idle rigs, and negotiate harder on day rates. Seadrill’s earnings are one of the most cyclical exposures in energy.

The rig-utilization treadmill

At the heart of Seadrill’s economics is utilization — what percentage of the fleet is contracted and earning dayrates at any given moment. A fully booked rig earning $300,000 per day can cover its operating costs and return cash. An idle rig generates zero revenue but still costs hundreds of thousands per month to maintain and crew. In the boom times of 2010–2014, ultra-deepwater rigs were scarce and commanded rates exceeding $500,000 per day; operators scrambled for capacity and utilization ran at 90% or higher. In the downturn of 2015–2017, those same rigs sat idle at $100,000 per day or less, which barely covered costs. Seadrill weathered that period through restructuring and asset sales.

The company has no pricing power. Day rates are determined in a market where a handful of major rig owners compete on price and a few dozen clients (oil majors and contractors) drive terms. When exploration budgets shrink, utilization collapses and day rates follow. The company is a price-taker, not a price-maker.

Fleet composition and technology transition

Seadrill’s fleet is aging and technologically mixed. Jack-up rigs, once the workhorses of offshore drilling, are falling out of favour for deepwater exploration and production; the market is shifting toward more efficient semi-submersibles and drillships. An older or less-capable rig faces a decline in day-rate opportunities. Seadrill has divested or idled lower-specification units and concentrates its capital on higher-capability assets, but the transition is slow and the competitive landscape means rate declines for aging rig classes.

The energy transition creates a longer-term headwind. As the world shifts toward renewable energy and electrification, demand for new oil and gas production slackens. Exploration budgets are not growing; they are either flat or shrinking in many regions. This structural decline in exploration and drilling activity is one of the most material risks any contract driller faces.

Leverage and the 2016 crisis

Seadrill carries significant debt, typical for asset-heavy businesses that fund rig purchases with borrowed money. In 2016–2017, when the rig market cratered and utilization plummeted, the company ran out of cash to service debt and filed for Chapter 11 bankruptcy protection. It emerged later with a restructured balance sheet, but the episode illustrates the leverage trap: in a downturn, rising costs collide with falling revenue, and borrowed money that was sensible at peak cycle becomes a vice.

Since emerging from bankruptcy, management has focused on reducing debt and keeping the balance sheet stronger, but Seadrill remains leveraged relative to the stability of its cash flows. Another severe cycle downturn would stress the balance sheet significantly.

Oil-market dependence

The company’s fate is largely determined by the oil market and the strategic direction of major oil companies. A return to $80–100 per barrel oil encourages producers to invest in long-cycle projects and drilling campaigns. At $40–60 per barrel, exploration budgets shrink sharply. Seadrill has no lever to insulate itself from those swings. It can manage costs, retire less-efficient equipment, and negotiate contracts strategically, but the underlying demand for rigs is a function of producer behaviour and oil economics.

Similarly, if a major client defaults, goes bankrupt, or pulls out of a market, Seadrill faces concentrated revenue loss. The customer base is concentrated — a handful of majors and contractors account for most utilization — so any single loss hits hard.

The structural risk that could break the business

A combination of low oil prices persisting for years and accelerating energy transition away from oil and gas could reduce exploration drilling demand to levels that cannot support the installed rig fleet. If fewer wells are drilled because fewer wells are economically viable, utilization stays low indefinitely, day rates stay compressed, and even with a restructured balance sheet, the company generates minimal cash. At that point, asset values collapse as the rigs themselves become stranded assets, and shareholders suffer severe dilution or loss.

A less severe but still serious scenario is a prolonged downturn similar to 2015–2017, where utilization stays low enough that Seadrill cannot refinance its debt or must do so at punitive rates. The company would be forced to sell assets, shrink, or restructure again.

Researching Seadrill as an investor

Start with the 10-K filing (SEC CIK 0001737706) to understand fleet composition, contract backlog, debt terms, and utilization rates. The quarterly earnings releases show average day rates achieved, utilization percentage, and cash generation — critical metrics for a cyclical company.

Key metrics to monitor: total backlog (contracted revenue), average day rate by rig class, utilization rate (as a percentage of available days), debt levels and refinancing schedules, and cash burn in low-utilization scenarios. Compare Seadrill’s utilization and day rates to peers like Transocean and Diamond Offshore to understand relative competitive position.

The investment case in Seadrill is entirely cyclical. It does well when oil prices are high and exploration drilling is active, and it does poorly when both reverse. No amount of operational excellence insulates the company from the oil cycle. This is not investment advice — only a map of how the business works and where its fortunes are made and lost.