Sell Your Mineral Rights in Duval County County, TX

Name: Mineral Buys
Telephone: (432) 302-7735
Price range: $$

If you own mineral rights in Duval County, you're sitting on acreage in one of South Texas's historically gas-producing regions — home to tight sand formations and, in parts of the county, Eagle Ford potential. Activity here is more measured than the Permian, but that doesn't mean your rights are without value. Let's give you an honest picture of what you actually have.

Get Your Free Valuation Call (432) 302-7735

ASSET OVERVIEW

Est. per Acre

$150–$800

per net royalty acre

Active Wells

320+

Drilling Activity

Core Basin

South Texas

Primary Formation

Primary Resource

Natural Gas

Commodity Type

What's the Situation in Duval County Right Now?

Duval County sits in the heart of South Texas gas country, where operators have been working tight sand formations like the Olmos and Escondido for decades. Activity levels here have been modest compared to the Eagle Ford fairway counties to the north and east, and the market for mineral rights reflects that — values are real but not outsized. That said, some portions of the county do have Eagle Ford exposure, which changes the conversation meaningfully. Before you respond to an offer or make any decisions, it's worth understanding exactly which formations run under your acreage and whether you're in an active part of the county — because that gap between a low offer and a fair one can be significant.

Duval County by the Numbers

$150 – $800

per net mineral acre (estimate)

Estimated Value Range (per NMA)

~320

producing wells

Active Wells

Natural Gas

with associated liquids in some zones

Primary Commodity

3,000 – 9,000

feet depending on target

Dominant Formation Depth

Partial

western fringe of the play — location-dependent

Eagle Ford Exposure

Who's Operating in Duval County

Lewis Energy Group

Private

EOG Resources

EOG

Callon Petroleum

CPE

Penn Virginia Resource Partners

Private

Sundance Energy

Private

What's in the Ground

Olmos Formation

South Texas

A tight sandstone formation that has been the backbone of Duval County gas production for years. Wells here tend to be long-lived but lower-rate — steady producers rather than big initial splashes. This is the formation most likely underlying your acreage if you're in the central part of the county.

Escondido Formation

South Texas

Another deep tight sand target in South Texas, often developed alongside the Olmos. Gas-focused, with activity that has been intermittent depending on commodity prices. Some operators have stacked these zones for improved economics.

Eagle Ford Shale

South Texas

The Eagle Ford extends into the eastern and northeastern parts of Duval County, though it becomes thinner and less productive here than in Webb, LaSalle, or McMullen counties. If your acreage sits in that part of the county, your minerals may attract more interest — and higher offers — than typical Duval acreage.

Questions We Hear From Duval County Owners

I got an offer out of the blue — is it a fair one?

Probably not, and that's not a cynical take — it's just how unsolicited offers tend to work. Buyers who reach out without you asking have already done their homework on your acreage and made an offer that works for them. That doesn't mean it works for you. In Duval County specifically, value varies significantly based on whether you're over the Olmos, closer to Eagle Ford territory, or in an area with little recent drilling activity. Get an independent valuation before you respond.

My family has owned these rights for generations and nothing has ever been drilled. Are they worth anything?

Possibly yes, though it depends on where in the county your acreage sits and what formations underlie it. Undeveloped mineral rights in South Texas aren't worthless — buyers do purchase speculative acreage in hopes of future activity. The realistic price will be lower than producing acreage, but there is a market. The first step is pulling the lease records and formation maps to see what you actually have under the ground.

Natural gas prices have been rough lately. Should I wait to sell?

It's a fair question, and there's no perfect answer. Gas prices have been under pressure, which does affect what buyers are willing to pay for gas-heavy acreage like most of Duval County. Some owners choose to hold and wait for a price recovery. Others decide the certainty of cash today outweighs the speculation of a better market tomorrow — especially for inherited minerals they weren't counting on in the first place. There's no wrong answer, but it should be your decision based on real information, not pressure from a buyer.

Want to Know What Your Duval County Minerals Are Actually Worth?

We'll take a look at your specific acreage — where it sits, what formations are present, and what comparable sales look like right now — and give you a straight answer. No pressure, no obligation, just real information so you can make a decision that makes sense for you.

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