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401092903 19 2016-08-12T12:12:37.86-06:00 10084 PIONEER NATURAL RESOURCES USA INC

5205 N O'CONNOR BLVD STE 200

IRVING TX 75039 James Roybal 719 846-7898 James Roybal Environmental Supervisor 2016-08-12T12:12:37.86-06:00 2016-08-12T12:12:37.843-06:00 447237 in process jamesroybal 2016-08-12T11:47:19.563-06:00 jamesroybal james.roybal@pxd.com 0.00000 james.roybal@pxd.com jamesroybal jamesroybal 2016-08-12T12:12:32.11-06:00 401089928 401092903 Kosola, Jason 2016-08-05T00:00:00-06:00 WELL 05 071 09702 LAS ANIMAS NESE 12 32S 67W 6 Y NON-CROP LAND sunny hot 0 0 We had a spill that was found by the lease operator on 8/5/16 at around 12:30PM on the Lickity Split 43-12 well site (API# 05-071-09702). Upon arrival the operator found the packing on the well head leaking water, the leak was isolated immediately and is estimated that 5bbls of produced water were spilled. Most of the water remained on location but a small amount ran down the north side of the lease road (toward the west) about 20’ were it ended. No state waters were involed. 401089928 true 2016-08-05T00:00:00-06:00 37.270212 -104.830880 FEE 0 0 0 true <_x0032_7_approved>false S false 0 0 >=1 and <5 0 0 true false true false false 0 2016-08-07T08:53:30.64-06:00 401092903 Produced water quality data from the well associated with or representative of the spill is attached. Pioneer and its consulting geochemical specialists have found, after 20 years operating in the Raton Basin CBM field, that soil sampling no longer adds useful data on smaller, short-term spills as land uses and the environment are not sensitive to short-term exposure to CBM produced water. Effects to soil chemistry from short-term CBM produced water spills are temporary and shallow for several reasons: the water does not contain crude oil or liquid hydrocarbons; the TDS is significantly less than 10,000 mg/L; it is suitable for livestock watering, wildlife and in many cases surface discharge. Mixed with other water it is suitable for irrigation without impact. When requested by the agency or landowner Pioneer has and will collect soil samples. Pioneer Natural Resources request closure of this spill based on this statement and attached water quality data. 401092903 401092903 FORM 19 SUBMITTED 401092903.pdf 401092903 401092939 ANALYTICAL RESULTS J19286-1 UDS Level 2 Report Final Report.pdf 819976 401092903 1 SPILL 2016-08-05T00:00:00-06:00 Land owner Ed Bell

via phone

401092903 2 SPILL 2016-08-06T00:00:00-06:00 COGCC Jason Kosola

email

401092903 3 SPILL 2016-08-06T00:00:00-06:00 LACOG Bob Lucero

email

401092903 1 2016-08-12T00:00:00-06:00 0 0 true false false false false false 0 false Visual inspection From the NRCS soil survey map: Allens Park-Wahatoya complex 125 1 831 3399 The packing was replaced and maintained 0 0 0 0 5 0 0 0 0 0 2850 false false 0 0 false false false false false false false false true true true false 185 2 0 401092903 1 2016-08-09T00:00:00-06:00 true false false false Mechanical failure due to inadequate maintenance Comunicate to lease operators to perform necessary maintenance on equipment on routine visits to locations false false false Thread was being aborted.