Warren Buffett famously said, 'Volatility is far from synonymous with risk.' It's only natural to consider a company's balance sheet when you examine how risky it is, since debt is often involved when a business collapses. We note that Sinopec Oilfield Service Corporation (HKG:1033) does have debt on its balance sheet. But is this debt a concern to shareholders?

When Is Debt Dangerous?

Debt and other liabilities become risky for a business when it cannot easily fulfill those obligations, either with free cash flow or by raising capital at an attractive price. If things get really bad, the lenders can take control of the business. While that is not too common, we often do see indebted companies permanently diluting shareholders because lenders force them to raise capital at a distressed price. Of course, debt can be an important tool in businesses, particularly capital heavy businesses. The first thing to do when considering how much debt a business uses is to look at its cash and debt together.

What Is Sinopec Oilfield Service's Net Debt?

You can click the graphic below for the historical numbers, but it shows that as of September 2024 Sinopec Oilfield Service had CN¥25.3b of debt, an increase on CN¥22.3b, over one year. However, it does have CN¥3.65b in cash offsetting this, leading to net debt of about CN¥21.6b.

A Look At Sinopec Oilfield Service's Liabilities

According to the last reported balance sheet, Sinopec Oilfield Service had liabilities of CN¥66.0b due within 12 months, and liabilities of CN¥712.2m due beyond 12 months. Offsetting this, it had CN¥3.65b in cash and CN¥33.7b in receivables that were due within 12 months. So its liabilities total CN¥29.3b more than the combination of its cash and short-term receivables.

This deficit is considerable relative to its market capitalization of CN¥29.9b, so it does suggest shareholders should keep an eye on Sinopec Oilfield Service's use of debt. This suggests shareholders would be heavily diluted if the company needed to shore up its balance sheet in a hurry.

We use two main ratios to inform us about debt levels relative to earnings. The first is net debt divided by earnings before interest, tax, depreciation, and amortization (EBITDA), while the second is how many times its earnings before interest and tax (EBIT) covers its interest expense (or its interest cover, for short). Thus we consider debt relative to earnings both with and without depreciation and amortization expenses.

While Sinopec Oilfield Service's debt to EBITDA ratio (4.5) suggests that it uses some debt, its interest cover is very weak, at 2.3, suggesting high leverage. It seems that the business incurs large depreciation and amortisation charges, so maybe its debt load is heavier than it would first appear, since EBITDA is arguably a generous measure of earnings. So shareholders should probably be aware that interest expenses appear to have really impacted the business lately. Even more troubling is the fact that Sinopec Oilfield Service actually let its EBIT decrease by 7.5% over the last year. If that earnings trend continues the company will face an uphill battle to pay off its debt. The balance sheet is clearly the area to focus on when you are analysing debt. But it is future earnings, more than anything, that will determine Sinopec Oilfield Service's ability to maintain a healthy balance sheet going forward. So if you're focused on the future you can check out this free report showing analyst profit forecasts.

But our final consideration is also important, because a company cannot pay debt with paper profits; it needs cold hard cash. So we always check how much of that EBIT is translated into free cash flow. Over the most recent three years, Sinopec Oilfield Service recorded free cash flow worth 51% of its EBIT, which is around normal, given free cash flow excludes interest and tax. This cold hard cash means it can reduce its debt when it wants to.

Our View

To be frank both Sinopec Oilfield Service's net debt to EBITDA and its track record of covering its interest expense with its EBIT make us rather uncomfortable with its debt levels. Having said that, its ability to convert EBIT to free cash flow isn't such a worry. Overall, we think it's fair to say that Sinopec Oilfield Service has enough debt that there are some real risks around the balance sheet. If everything goes well that may pay off but the downside of this debt is a greater risk of permanent losses. The balance sheet is clearly the area to focus on when you are analysing debt. However, not all investment risk resides within the balance sheet - far from it. We've identified 3 warning signs with Sinopec Oilfield Service (at least 1 which is significant) , and understanding them should be part of your investment process.

Of course, if you're the type of investor who prefers buying stocks without the burden of debt, then don't hesitate to discover our exclusive list of net cash growth stocks, today.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.