Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN><SPAN>The Oil Conservation Division (ODC) maintains well locations throughout the State of New Mexico. Well locations are based on information contained on Form C-102 (Well Location and Acreage Dedication Plat) and submitted to OCD and should be considered approximate, though some quality control measures has been implemented (see below). Corrections to well locations may be made through the local OCD District Office named within each well record. </SPAN></SPAN></P><P><SPAN><SPAN>Historically, well locations were transcribed from paper C-102 forms containing footage calls from section lines, which were then calculated into x,y coordinates (longitude, latitude) using OCD’s Risk Based Data Management System (RBDMS). Over time, some well locations were entered using x,y coordinates provided in well survey plats completed by a surveyor registered in the State of New Mexico. Currently, OCD also accepts well locations entered online with latitude and longitude coordinates. Well coordinates are occasionally updated based on field inspections and district staff determinations.</SPAN></SPAN></P><P><SPAN><SPAN>Additional data evaluation and quality control measures were implemented in May 2015. Of the 114,326 well records in the OCD Permitting database, most contained locational coordinates but some did not, and for those with coordinates, not all records were accurate relative to the actual well location on the ground.</SPAN></SPAN></P><P><SPAN><SPAN>A random sample of the wells containing coordinates (113,111 records) were compared with aerial imagery to reveal that 84% of the locations were within 30’ of the well pad, and that most of the incorrect coordinates were in areas which had no Public Land Survey System (PLSS) grid (and thus no way to auto-calculate location based on footage calls). In areas containing many mis-located wells, quality control measures were taken, to either manually adjust points based on aerial imagery overlays or to correct the coordinates based on updated information from well operators. A final QA/QC process estimated that approximately 95% of wells were within 30’ of the actual top hole location. </SPAN></SPAN></P><P><SPAN><SPAN>For those wells that were missing footage calls, and thus missing x,y coordinates (734 records), a well location was approximated as the centerpoint of the subdivision or the next smallest aliquot of the section as allowed by the available data.</SPAN></SPAN></P><P><SPAN><SPAN>Finally, for the remaining wells with no locational information (209 records), no further attempt to assign locations was made as these were legacy wells and have been plugged and abandoned or were cancelled and never drilled.</SPAN></SPAN></P></DIV></DIV></DIV>
Copyright Text: Permitting database of the Oil Conservation Division (OCD) of the New Mexico Energy, Minerals and Natural Resources Department (EMNRD).
Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN><SPAN>The Oil Conservation Division (ODC) maintains well locations throughout the State of New Mexico. Well locations are based on information contained on Form C-102 (Well Location and Acreage Dedication Plat) and submitted to OCD and should be considered approximate, though some quality control measures has been implemented (see below). Corrections to well locations may be made through the local OCD District Office named within each well record. </SPAN></SPAN></P><P><SPAN><SPAN>Historically, well locations were transcribed from paper C-102 forms containing footage calls from section lines, which were then calculated into x,y coordinates (longitude, latitude) using OCD’s Risk Based Data Management System (RBDMS). Over time, some well locations were entered using x,y coordinates provided in well survey plats completed by a surveyor registered in the State of New Mexico. Currently, OCD also accepts well locations entered online with latitude and longitude coordinates. Well coordinates are occasionally updated based on field inspections and district staff determinations.</SPAN></SPAN></P><P><SPAN><SPAN>Additional data evaluation and quality control measures were implemented in May 2015. Of the 114,326 well records in the OCD Permitting database, most contained locational coordinates but some did not, and for those with coordinates, not all records were accurate relative to the actual well location on the ground.</SPAN></SPAN></P><P><SPAN><SPAN>A random sample of the wells containing coordinates (113,111 records) were compared with aerial imagery to reveal that 84% of the locations were within 30’ of the well pad, and that most of the incorrect coordinates were in areas which had no Public Land Survey System (PLSS) grid (and thus no way to auto-calculate location based on footage calls). In areas containing many mis-located wells, quality control measures were taken, to either manually adjust points based on aerial imagery overlays or to correct the coordinates based on updated information from well operators. A final QA/QC process estimated that approximately 95% of wells were within 30’ of the actual top hole location. </SPAN></SPAN></P><P><SPAN><SPAN>For those wells that were missing footage calls, and thus missing x,y coordinates (734 records), a well location was approximated as the centerpoint of the subdivision or the next smallest aliquot of the section as allowed by the available data.</SPAN></SPAN></P><P><SPAN><SPAN>Finally, for the remaining wells with no locational information (209 records), no further attempt to assign locations was made as these were legacy wells and have been plugged and abandoned or were cancelled and never drilled.</SPAN></SPAN></P></DIV></DIV></DIV>
Copyright Text: Permitting database of the Oil Conservation Division (OCD) of the New Mexico Energy, Minerals and Natural Resources Department (EMNRD).