When stocks get hammered hard enough, sometimes the selling becomes excessive. That's where the concept of "oversold" comes in, and right now, the energy sector has a handful of names that look like they might have been punished a bit too severely.

The Relative Strength Index (RSI) is a momentum indicator that compares how strong a stock is on up days versus down days. It's a useful tool for getting a read on short-term performance potential. When the RSI drops below 30, it typically signals that an asset might be oversold and due for a rebound.

Here are three major energy players currently sporting RSI readings that suggest they've been beaten down enough to warrant a closer look.

Venture Global Inc.

Venture Global Inc. (VG) has had a rough go lately. The stock tumbled about 27% over the past month, landing near its 52-week low of $5.87. Despite the selloff, Bank of America Securities analyst Jean Ann Salisbury maintained a Buy rating on December 11, though she did lower her price target from $15 to $11.

• RSI Value: 28.5
• VG Price Action: Shares of Venture Global dipped 3.3% to close at $5.93 on Monday.
• Edge Stock Ratings: Value at 80.71.

An RSI below 29 puts Venture Global firmly in oversold territory, suggesting the recent decline might have gone too far too fast.

PBF Energy Inc.

PBF Energy Inc. (PBF) saw its shares drop around 21% over the past month, pushing it closer to its 52-week low of $13.62. The selling pressure caught the attention of Mizuho analyst Nitin Kumar, who upgraded the stock from Underperform to Neutral on December 12 and raised his price target from $31 to $38.

• RSI Value: 29.4
• PBF Price Action: Shares of PBF Energy fell 1.4% to close at $29.93 on Monday.

With an RSI just under 30, PBF Energy appears to be trading in oversold territory. The analyst upgrade suggests the market may have overreacted to recent weakness.

Kimbell Royalty Partners LP

Kimbell Royalty Partners LP (KRP) has the lowest RSI of the three, indicating the most extreme oversold condition. The stock dropped approximately 8% over the past five days and has been trading near its 52-week low of $10.98. On December 12, Mizuho analyst William Janela maintained a Neutral rating on Kimbell Royalty Partners and raised his price target from $16 to $17.

• RSI Value: 23.7
• KRP Price Action: Shares of Kimbell Royalty Partners fell 4% to close at $11.79 on Monday.

An RSI below 24 suggests Kimbell Royalty Partners has been sold off aggressively, potentially creating an opportunity for contrarian investors willing to bet on a reversal.

The key thing to remember about oversold conditions is that they don't guarantee an immediate bounce. Stocks can stay oversold longer than you might expect, especially if there's a fundamental reason for the weakness. But for traders looking for potential entry points in the energy sector, these three names are showing technical signals that suggest the selling pressure might be reaching an extreme.

Whether these oversold readings translate into actual buying opportunities depends on your risk tolerance and investment horizon. But when stocks get this beaten down and analysts are still maintaining or upgrading their ratings, it's at least worth putting them on your radar.