The East Texas Basin is a salt-withdrawal basin covering the northeast corner of Texas, and it contains the East Texas field — discovered in 1930 and still the largest oil field ever found in the Lower 48. Alongside it sit Hawkins, Van, Talco, and Fairway, each a substantial field in its own right. The basin's oil production comes overwhelmingly from Cretaceous rocks, principally the Woodbine, under strong water drive that has sustained production for the better part of a century. This is a separate story from the Haynesville, the deep Jurassic gas shale that underlies part of the same area, and the two are worth keeping distinct when you are assessing what you own. We buy mineral rights, royalty interests, NPRI, and ORRI across the East Texas Basin.
Approximate location of the East Texas Basin shown in tan
Basin-level activity chart not yet available for the East Texas Basin. For current activity, see our rig count dashboard and the state production pages linked above.
The East Texas Basin formed as deep Jurassic Louann salt withdrew and flowed, letting the overlying section sag and creating both the basin itself and the salt structures around its margins. The dominant oil reservoir is the Cretaceous Woodbine Sandstone, which pinches out updip against the Sabine Uplift to form the enormous stratigraphic trap of the East Texas field. Other productive intervals include the Paluxy, the Rodessa and James Lime, the Travis Peak, and the Cotton Valley. Salt movement created the piercement and fault-line traps at Talco and elsewhere on the basin flanks. The deeper Jurassic Haynesville and Bossier shales underlie the eastern part of the basin and are developed as a separate gas play, at depths well below the Woodbine oil column.
Operatorship in the East Texas Basin splits along the same lines as the geology. The mature Woodbine and Paluxy oil fields are largely held by independents who specialize in long-life waterflood and pressure-maintenance properties, several of which have been under the same management for decades. The deeper Cotton Valley, Travis Peak, and Haynesville gas intervals attract a different and generally larger set of operators running horizontal programs. A single tract can therefore have one operator on its shallow oil rights and another developing gas thousands of feet below.
East Texas Basin mineral values depend first on which part of the section is producing under your tract. Shallow Woodbine and Paluxy oil interests are valued on current production and the stability of the water drive, and many have been remarkably durable. Deeper rights carry a different profile driven by horizontal gas development and gas price expectations. A tract can carry both, and the two are frequently valued separately. Depth severances, older leases with unusual pooling language, and the question of whether deep rights were ever leased are all common issues here and all bear on what an interest is worth.
The Sabine Uplift is the broad structural high on the eastern side of the basin, straddling the Texas–Louisiana line. It is the feature that makes the East Texas field possible: the Woodbine Sandstone thins and pinches out updip against the uplift, sealing the enormous stratigraphic trap that holds the field. The uplift itself also carries production, from the Cotton Valley, Travis Peak, Rodessa and Pettit, and it hosts the older Caddo-Pine Island and Rodessa fields near the state line.
For a mineral owner, the uplift matters mainly as a depth story. The same acreage can carry century-old shallow production, mid-depth Cotton Valley and Travis Peak gas, and deeper Jurassic rights that were often never addressed in the original lease. Instruments written before those deeper zones had value frequently say nothing useful about them, which is why a title review here tends to be worth more than an estimate based on the surrounding field.
No, and the distinction matters. The East Texas field produces oil from the Cretaceous Woodbine Sandstone at roughly 3,500 feet. The Haynesville is a Jurassic gas shale several thousand feet deeper, developed with horizontal wells and hydraulic fracturing. They occupy some of the same counties, but they are different rocks, different products, different operators, and different economics. If you own minerals in northeast Texas you may have an interest in one, the other, or both, and they should be valued separately.
Because of an exceptionally strong natural water drive. Water from the aquifer downdip moves in to replace produced oil and holds reservoir pressure up, so wells produce at steady rates for decades instead of depleting quickly. The field has also been managed under pressure-maintenance and allowable rules since the 1930s, when uncontrolled early production threatened the reservoir. That combination is why a field discovered in 1930 still has thousands of producing wells.
A depth severance splits the mineral estate by depth, so one party owns rights above a stated horizon and another owns rights below. They come up constantly in East Texas because the shallow Woodbine oil rights were often leased or conveyed long before anyone knew the deep Haynesville had value. An owner may hold shallow rights, deep rights, or both, and old instruments are not always clear about which. We read the documents before making an offer, and we will tell you what we think you own even if you decide not to sell.