Texas Codes

Tex. Nat. Res. Code § 86.003 (2026)

Determination Of Separate Wells

✓ current as of May 2026
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Sec. 86.003. DETERMINATION OF SEPARATE WELLS. If oil or gas, or both, is produced through different strings of casing set in the same well bore, the inner string through which oil or gas, or both, is produced shall be regarded as one well, and each successive additional string of casing through which oil or gas, or both, is produced from a different producing horizon through the same well bore shall be regarded as another well.

Acts 1977, 65th Leg., p. 2532, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.

Notes of Decisions
Cited in 3 cases, 1990–2003 · leading case: Amarillo Oil Co. v. Energy-Agri Prods., Inc., 794 S.W.2d 20 (Tex. 1990).
Amarillo Oil Co. v. Energy-Agri Prods., Inc., 794 S.W.2d 20 (Tex. 1990). · cites it 2× “[2] The term "producing horizon," without express statutory definition, appears in Tex.Nat. Res.Code Ann. § 86.003 (Vernon 1988), relating to what shall be regarded as separate wells in the same well bore, as follows: If oil or gas, or both, is produced through different strings…”
Seagull Energy E & P, Inc. v. R.R. Comm'n, 99 S.W.3d 232 (Tex. App. 2003). “Laws 318 (amended 1977) (current version at Tex. Nat. Res. Code Ann. § 86.003 (West 2001)).”
Seagull Energy E & P, Inc. v. R.R. Comm'n of Texas (Tex. App. 2003). “Laws 318 (amended 1977) (current version at Tex. Nat. Res. Code Ann. § 86.003 (West 2001)).”
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