Impacts by Sector. 18.2.1 Oil and Gas Potential future disturbance from oil and gas activities within DSL Habitat, as defined by the Texas State University map, is based on the number of additional xxxxx that could be permitted within DSL Habitat in accordance with the Texas Railroad Commission Rules. The calculation also accounts for existing xxxxx, the relative percentage of vertical and horizontal xxxxx, the average surface disturbance area for each well type, and other infrastructure including roads, flowlines, and other associated infrastructure. We note that since the publication of studies such as Xxxx and Xxxxx (1998), which analyzed development associated with vertical xxxxx, the oil and gas industry has made significant advances in technologies such as horizontal and directional drilling that allow for the drilling of multiple xxxxx from a single pad and therefore has reduced the overall footprint of oil and gas developments for equivalent numbers of xxxxx. Total potential xxxxx are calculated based on the total DSL Habitat acreage and 40-acre spacing units typical in the Permian Basin. The total number of xxxxx that may be drilled, based on 40-acre spacing is 7,183. Existing xxxxx estimated at 2,874 based on Texas Railroad Commission data are subtracted from total xxxxx to estimate 4,309 potential future xxxxx within the covered area. The number of potential future xxxxx is then adjusted to account for the relative percentage of vertical and horizontal xxxxx, and their respective average disturbance area. Accordingly, there are an estimated 5,744 acres of potential disturbance from vertical xxxxx and an estimated 7,180 acres of potential disturbance from horizontal xxxxx. In addition, there is an estimated 2,500 acres of potential disturbance from other oil and gas infrastructure such as roads, flowlines, and other associated infrastructure. As described in Section 18 below, the 2020 DSL CCAA incorporates this total potential future disturbance as the take estimate for Participants, as well as non-participants, across the geographic range of modeled habitat. This 2020 DSL CCAA assumes a maximum forecasted disturbance estimate for upstream oil and gas development in DSL Habitat in West Texas based upon Texas well spacing requirements, recognizing that some impacts may occur under the TCP. As reflected in Section 18 below, the upstream oil and gas take number to be allocated between both the 2020 DSL CCAA and the TCP is 15,424 acres.
Impacts by Sector
