Hello-- Does anyone know what the well spacing requirements are for horizontal haynesville/bossier wells in Nacogdoches County, Texas? More specifically, what's the maximum number of additional wells that could be drilled in the attached Unit?

Thank you in advance!

Best,

Ricardo

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Attached is a snap shot of the field rules.  Basically, the are no restrictions on wellbore spacing within unit.  However, operators have there own spacing based on the geology of the area and their stimulation procedures.  As far as unit spacing, the wellbore must be 330’ from the perpendicular lease lines and the first and last take points can be no closer than 200’ from nearest lease line.

Chad, what are the regs regarding "amending" unit size? Also, can you explain how unleased tracts within a unit are treated as to lateral perfs?

To amend a unit, the operator will have to file a new unit designation with the RRC and the county(s).  The new unit must comply with any applicable field and spacing rules for any existing wells, as well as any proposed wells within the strata for the unit.  Since we are not on the RTS system, this can result in some unusually shaped units.  As for unleased tracts, this can get complicated.  Tracts with clear mineral title that will not, or cannot lease are treated as off unit.  As such, the perforations of the wellbore must exclude this area plus any required setbacks.  Tracks with undivided interest where a portion of the mineral owners have a lease are developed.  Those owners that prove up their possession receive their appropriate royalty payments.  The remainder go into escrow held by the state.  Texas law promotes the development of the oil and gas resources while allowing the settlement of disputed claims to be litigated later without excessive loss of principle. 

Thanks.

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