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Geology and Assessment of Unconventional Oil and Gas Resources of Northeastern Mexico by U.S

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Open-File Report 2015–1112 Geology and Assessment of Unconventional Oil and Gas Resources of Northeastern Mexico By U.S. Geological Survey Mexico Assessment Team Sabinas Basin Discussion Introduction The quantitative methodology used by the USGS for this assessment of unconventional oil and 2015 The USGS approach to defining AUs in the Turonian Agua Nueva Formation and gas resources differs from that used in other unconventional assessments. The differences in method- The U.S. Geological Survey (USGS), in cooperation in the Tithonian La Casita Formation of the Sabinas Basin began with the map showing ology must be considered when attempting to compare assessment results. The potential area assessed the distribution of TOC greater than 1 weight-percent (figs. 17 and 18). Using analog by the USGS must have source rocks with greater than 2 weight-percent TOC, have greater than 15 with the U.S. Department of State, quantitatively assessed meter thickness of organic-rich shale, be within the proper thermal maturation windows for oil or gas Northeastern Mexico percentages for areas with greater than 2 weight-percent from the Tampico-Misantla Ba- Burgos Basin generation. The maps supplied by PEMEX for the Agua Nueva and La Casita Formations in the Bur- the potential for unconventional oil and gas resources with- Tampico-Misantla Basin sin, the AUs were defined as areas with greater than 2 weight-percent TOC, and with Geologic Provinces gos Basin and Sabinas Basin were based on greater than 1 weight-percent TOC, so the areas used in the additional condition that because of adverse effects of tectonism only about one in the onshore portions of the Tampico-Misantla Basin, 102° 100° 98° 96° 94° 92° The USGS approach to defining AUs in the Turonian Agua Nueva Formation and in the Tithonian La Casita Formation of the USGS assessments (>2 weight-percent TOC) are less than that shown on the PEMEX maps. 32° Tithonian Pimienta / La Casita Formation the Burgos Basin began with the map showing the distribution of TOC greater than one weight-percent (figs. 12–14). Using third of the remaining area was estimated to have potential for shale oil or shale gas. Burgos Basin, and Sabinas Basin provinces of northeastern The USGS approach to defining assessment units in the Tithonian Pimienta / La Casita Formation of the Tampico-Misantla Basin began with the map showing the distri- analog percentages for areas with greater than 2 weight-percent from the Tampico-Misantla Basin, the AUs were defined as Assessment Input 30° bution of total organic carbon (TOC) (fig. 4). The intersection of the map of TOC greater than 2 weight-percent (fig. 5) with the thermal maturity map (fig. 6) produced the Mexico (fig. 1). Unconventional resources of the Veracruz areas with greater than 2 weight-percent TOC. Agua Nueva Shale Gas AU La Casita Shale Gas AU Input to the assessment of unconventional oil and gas resources includes several key pa- UNITED STATES AU map (fig. 7) for the modal shale-oil area (green) and shale-gas area (red) used in the assessment. 102° 101° 100° 99° 98° 103° 102° 101° 100° 99° 98° rameters that represent probability distributions that illustrate the uncertainty in these parameters 29° TURONIAN TITHONIAN Basin were not quantitatively assessed because of a current 28° 100° 99° 98° 97° 96° 100° 99° 98° 97° 96° 100° 99° 98° 97° 96° 100° 99° 98° 97° 96° Sabinas Basin Agua Nueva Shale Oil AU Agua Nueva Shale Gas AU La Casita Shale Gas AU (table 1). The distribution of potential area incorporates TOC, maturity, depth, and thickness data, Magiscatzin Basin Magiscatzin Basin Province TITHONIAN TITHONIAN TITHONIAN TITHONIAN 102° 101° 100° 99° 98° 102° 101° 100° 99° 98° 103° 102° 101° 100° 99° 98° 29° Taumaulipas Arch Province lack of required geological information. Unconventional Magiscatzin Basin Province and represents one of the key sources of geologic uncertainty. The distributions for estimated Taumaulipas Arch Burgos Burgos Taumaulipas Arch Burgos Burgos Basin Taumaulipas Arch Basin 29° TURONIAN 29° TURONIAN TITHONIAN TOC Magiscatzin Basin Basin THERMAL Basin 26° Province TOC FINAL ultimate recovery (EUR), well drainage areas, and success ratio are from U.S. analog Province Province Province Agua Nueva Burgos Basin 24° 24° 24° 28° 24° Shale Oil resources include shale gas, shale oil, tight gas, tight oil, Province >1 WEIGHT- MATURITY 29° > 2 WEIGHT - AU MAP 53000461 28° unconventional accumulations. Sabinas Basin Province and coalbed gas. Undiscovered conventional oil and gas re- 24° GULF PERCENT PERCENT MEXICO OF 28° 28° USA MEXICO Assessment Results 23° 28° 23° 23° 23° 27° sources were assessed in Mexico in 2012 (U.S. Geological 27° Tampico–Misantla Quantitative assessment results for 11 unconventional AUs of northeast Mexico are sum- Tampico–Misantla USA USA 22° Basin Province Tampico–Misantla Tampico–Misantla Tampico-Misantla Basin Province Basin Province Basin Province USA USA Survey World Energy Assessment Team, 2012). Basin Province marized in table 2. For unconventional oil resources, the mean total is 776 million barrels of oil 27° 27° La Casita Agua Nueva 27° Shale Gas 26° (MMBO), with a range from 353 to 1,365 MMBO; for unconventional gas the mean total is 23,474 22° MEXICO 22° MEXICO Shale Gas 53000361 Sabinas Burgos 22° MEXICO 22° MEXICO 26° Basin Basin 20° GULF GULF GULF 53000462 MEXICO MEXICO Veracruz Basin GULF Province Province S OF billion cubic feet (BCFG), with a range from 7,431 to 44,630 BCFG; and a mean total of 883 mil- S OF S OF Province S OF I MEXICO I MEXICO Burgos E E I MEXICO E I MEXICO UNITED STATES R R E R Basin Area of R R R lion barrels of natural gas liquids (MMBNGL), with a range from 278 to 1,690 MMBNGL. R 26° figure A A R Sabinas Sabinas Province ATLANTIC 26° A A 26° 25° OCEAN Basin Basin Burgos GULF OF 18° 130°0'0"W 120°0'0"W 110°0'0"W 100°0'0"W 90°0'0"W 80°0'0"W 70°0'0"W 60°0'0"W MEXICO MEXICO MEXICO MEXICO 21° 21° Province Province Basin Of the mean unconventional oil total of 776 MMBO, about 82 percent is in the Tampico-Misantla PACIFIC M M 21° 21° 25° Methodology OCEAN M M A A Burgos Province D D A A Burgos R R D Basin Eagleford EXPLANATIONGas D Basin Eagleford Oil R Basin (55 percent; 426 MMBO) is estimated to be in the Agua Nueva Shale Oil AU; (27 percent; UNITED STATES E E R Smackover E Province Land Assessed provinces E Area of Province 25° Unassessed province study ATLANTIC O UNITED STATES OCEAN UNITED STATES O UNITED STATES 24° 16° GULF OF R R O O 212 MMBO) is in the Pimienta Shale Oil AU. The Agua Nueva Shale Oil AU in the Burgos PACIFIC MEXICO I I Area of R OCEAN E Area of Area of R 0 50 100 150 200 MILES E study ATLANTIC I 25° 25° N study ATLANTIC ATLANTIC MEXICO MEXICO N OCEAN E study I OCEAN OCEAN E The USGS approach to assessing continuous shale-oil T T GULF OF N GULF OF GULF OF N A PACIFIC MEXICO A PACIFIC MEXICO 20° 20° MEXICO T PACIFIC MEXICO 0 50 100 150 200 KILOMETERS L OCEAN L OCEAN T 20° A OCEAN A 24° Basin contains the remaining (18 percent; 138 MMBO). PACIFIC OCEAN EXPLANATION MEXICO L 20° MEXICO L Tithonian Organic Richness EXPLANATION EXPLANATION 1 to 2 weight-percent (2,985,373.05 acres) Eagleford Gas EXPLANATION Eagleford Oil EXPLANATION Tithonian Thermal Maturity 24° For the mean unconventional gas total of 23,474 BCFG, about 66 percent (15,591 BCFG) Smackover Tithonian Assessment Units La Casita Shale Gas AU and shale-gas resources in non-U.S. reservoirs is based > 2 weight-percent (793,400.95 acres) LandTithonian Organic Richness 23° Oil Pimienta Shale Oil AU Tithonian Total (6,098,147.59 Acres) > 2 weight-percent TOC EXPLANATION Gas 0 650 1,300 Geologic2,600 Kilometers province Pimienta Shale Gas AU Geologic province boundaries 0 325 650 1,300 Miles Agua Nueva Shale Gas AU 0 70 MILES 0 80 MILES is estimated to be in the Burgos Basin; 25 percent (5,822 BCFG) in the Sabinas Basin; and boundaries Geologic province Geologic province Veracruz Basin Veracruz boundaries 24° 24° Figure 1. Location of geologic provinces boundaries 0 70 KILOMETERS Veracruz 0 80 KILOMETERS 19° 0 25 50 75 100 MILES Province 19° 0 25 50 75 100 MILES Basin Veracruz upon developing a complete geologic framework descrip- 0 25 50 75 100 MILES Province 19° Basin 19° 0 25 50 75 100 MILES Basin EXPLANATION 9 percent (2,061 BCFG) in the Tampico-Misantla Basin. 0 25 50 75 100 KILOMETERS 0 25 50 75 100 KILOMETERS Province Province EXPLANATION EXPLANATION 23° considered in this study. 0 25 50 75 100 KILOMETERS La Casita Shale Gas AU 0 25 50 75 100 KILOMETERS Agua Nueva Shale Oil AU Agua Nueva Shale Gas AU tion for each province from published literature and defin- 0 70 MILES 0 70 MILES 0 80 MILES Figure 17. Map showing the outline of Figure 18. Map showing the outline of 0 70 KILOMETERS 0 70 KILOMETERS 0 80 KILOMETERS Assessment Team Tampico- potential shale-gas area (3,667,000 acres) potential shale-gas area (8,961,000 acres) Age Sabinas Basin Burgos South Misantla Figure 4. Map showing the area of Figure 5. Map showing the total organic Figure 6. Map showing the extent of Figure 7. Map showing the intersection Christopher J. Schenk, Ronald R.
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    REVISTA MEXICANA DE CIENCIAS GEOLÓGICAS Kimmeridgian cold-water idoceratids associated with Boreal bivalvesv. 32, núm. and 1, 2015, belemnites p. 11-20 Kimmeridgian (Late Jurassic) cold-water idoceratids (Ammonoidea) from southern Coahuila, northeastern Mexico, associated with Boreal bivalves and belemnites Patrick Zell* and Wolfgang Stinnesbeck Institute for Earth Sciences, Heidelberg University, Im Neuenheimer Feld 234, 69120 Heidelberg, Germany. *[email protected] ABSTRACT et al., 2001; Chumakov et al., 2014) was followed by a cool period during the late Oxfordian-early Kimmeridgian (e.g., Jenkyns et al., Here we present two early Kimmeridgian faunal assemblages 2002; Weissert and Erba, 2004) and a long-term gradual warming composed of the ammonite Idoceras (Idoceras pinonense n. sp. and trend towards the Jurassic-Cretaceous boundary (e.g., Abbink et al., I. inflatum Burckhardt, 1906), Boreal belemnites Cylindroteuthis 2001; Lécuyer et al., 2003; Gröcke et al., 2003; Zakharov et al., 2014). cuspidata Sachs and Nalnjaeva, 1964 and Cylindroteuthis ex. gr. Palynological data suggest that the latest Jurassic was also marked by jacutica Sachs and Nalnjaeva, 1964, as well as the Boreal bivalve Buchia significant fluctuations in paleotemperature and climate (e.g., Abbink concentrica (J. de C. Sowerby, 1827). The assemblages were discovered et al., 2001). in inner- to outer shelf sediments of the lower La Casita Formation Upper Jurassic-Lower Cretaceous marine associations contain- at Puerto Piñones, southern Coahuila, and suggest that some taxa of ing both Tethyan and Boreal elements [e.g. ammonites, belemnites Idoceras inhabited cold-water environments. (Cylindroteuthis) and bivalves (Buchia)], were described from numer- ous localities of the Western Cordillera belt from Alaska to California Key words: La Casita Formation, Kimmeridgian, idoceratid ammonites, (e.g., Jeletzky, 1965), while Boreal (Buchia) and even southern high Boreal bivalves, Boreal belemnites.
  • 02 Diupotex-Chong

    02 Diupotex-Chong

    BIOCELL ISSN - 0327 - 9545 2007, 31(3): 365-373 PRINTED IN ARGENTINA Karyological and electrophoretic differences between Pomacea flagellata and P. patula catemacensis (Caenogastropoda: Ampullariidae) MARÍA ESTHER DIUPOTEX-CHONG*, NÉSTOR J. CAZZANIGA**, AND MANUEL URIBE-ALCOCER* * Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México. Circuito Exterior, Ciudad Universitaria, Coyoacán 04510. México, D.F. ** Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur. San Juan 670, 8000 Bahía Blanca. Argentina. Key words: Apple snails, endangered species, isoelectric focusing, karyotype, Mexico, Native-PAGE electrophoresis. ABSTRACT: The widespread Mexican apple snail Pomacea flagellata (Say 1827) and the strictly endemic "tegogolo" P. patula catemacensis (Baker 1922) (restricted to Lake Catemaco), are the only known American Ampullariidae that have haploid complements n=13. Pomacea patula catemacensis has suffered a critical reduction in abundance due to immoderate fishing for human consumption. Chromosome slides were ob- tained from colchicine-injected Pomacea snails collected from nine locations along the coastal zone of the Gulf of Mexico, including Lake Catemaco, for use in principal component analysis (PCA). Total proteins in foot homogenates were analyzed through isoelectric focusing (IEF) and native-PAGE electrophoresis on poly- acrylamide gels. The chromosome number 2n=26 was confirmed for snails from all locations, with a uniform 9 m + 4 sm formula. However, P. patula catemacensis showed significantly larger chromosomes (absolute size) than any population of P. flagellata. Pomacea patula catemacensis also differed from all populations of P. flagellata in a PCA with standardized data, i.e., independently of the absolute size difference between species. Proteins with an acid isoelectric point were dominant in the foot of both species.
  • Upper Jurassic (Lower Kimmeridgian-Olvido) Carbonate Strata from the La Popa Basin Diapirs, NE Mexico

    Upper Jurassic (Lower Kimmeridgian-Olvido) Carbonate Strata from the La Popa Basin Diapirs, NE Mexico

    BOLETÍN DE LA SOCIEDAD GEOLÓGICA MEXICANA OLUMEN NÚM P V 63, . 2, 2011, . 313-321 D GEOL DA Ó E G I I C C O A S 1904 M 2004 . C EX . ICANA A C i e n A ñ o s Upper Jurassic (Lower Kimmeridgian-Olvido) carbonate strata from the La Popa Basin diapirs, NE Mexico Francisco J. Vega1, *, Timothy F. Lawton2 1 Instituto de Geología, Universidad Nacional Autónoma de México. Ciudad Universitaria, 04510 Coyoacán, México, D. F. 2 Institute of Tectonic Studies, New Mexico State University. Las Cruces, New Mexico 88003, United States of America * [email protected] Abstract Carbonate strata that occur as blocks encased in gypsum of three different salt diapirs in La Popa Basin contain a single invertebrate fauna indicating a Late Jurassic (Kimmeridgian) age for all sampled fossiliferous blocks. The most biostratigraphically significant species, present in all diapirs, is the gryphaeid oyster Nanogyra virgula. Other species identified in the blocks include the bivalves Astarte gracilicostula, Cercomya durangensis, Myophorella sp., Grammatodon sp. and the nautiloid Cymatoceras? sp. Geologic relations of the entire assemblage of carbonate blocks, including nodular gypsum interbedded with the fossiliferous beds, salt casts in micrite of the blocks, random structural position of blocks within the diapiric evaporite, absence of blocks younger than Early Kimmeridgian in the diapirs, and regional stratigraphic relations, suggest that the carbonate strata were originally interbedded with, or directly overlie, evaporite strata. This inference is corroborated by the presence of Nanogyra virgula (previously reported as Exogyra cf. E. susplicifera) in carbonate strata directly overlying massive gypsum at Potrero Minas Viejas, adjacent to La Popa Basin.
  • Listado De Zonas De Supervisión

    Listado De Zonas De Supervisión

    Listado de zonas de supervisión 2019 CLAVE NOMBRE N/P NOMBRE DEL CENTRO DEL 30ETH MUNICIPIO Acayucan "A" clave 30FTH0001U 1 Mecayapan 125D Mecayapan 2 Soconusco 204Q Soconusco 3 Lomas de Tacamichapan 207N Jáltipan 4 Corral Nuevo 210A Acayucan 5 Coacotla 224D Cosoleacaque 6 Oteapan 225C Oteapan 7 Dehesa 308L Acayucan 8 Hueyapan de Ocampo 382T Hueyapan de Ocampo 9 Santa Rosa Loma Larga 446N Hueyapan de Ocampo 10 Outa 461F Oluta 11 Colonia Lealtad 483R Soconusco 12 Hidalgo 521D Acayucan 13 Chogota 547L Soconusco 14 Piedra Labrada 556T Tatahuicapan de Juárez 15 Hidalgo 591Z Acayucan 16 Esperanza Malota 592Y Acayucan 17 Comejen 615S Acayucan 18 Minzapan 672J Pajapan 19 Agua Pinole 697S Acayucan 20 Chacalapa 718O Chinameca 21 Pitalillo 766Y Acayucan 22 Ranchoapan 780R Jáltipan 23 Ixhuapan 785M Mecayapan 24 Ejido la Virgen 791X Soconusco 25 Pilapillo 845K Tatahuicapan de Juárez 26 El Aguacate 878B Hueyapan de Ocampo 27 Ahuatepec 882O Jáltipan 28 El Hato 964Y Acayucan Acayucan "B" clave 30FTH0038H 1 Achotal 0116W San Juan Evangelista 2 San Juan Evangelista 0117V San Juan Evangelista 3 Cuatotolapan 122G Hueyapan de Ocampo 4 Villa Alta 0143T Texistepec 5 Soteapan 189O Soteapan 6 Tenochtitlan 0232M Texistepec 7 Villa Juanita 0253Z San Juan Evangelista 8 Zapoapan 447M Hueyapan de Ocampo 9 Campo Nuevo 0477G San Juan Evangelista 10 Col. José Ma. Morelos y Pavón 484Q Soteapan 11 Tierra y Libertad 485P Soteapan 12 Cerquilla 0546M San Juan Evangelista 13 El Tulín 550Z Soteapan 14 Lomas de Sogotegoyo 658Q Hueyapan de Ocampo 15 Buena Vista 683P Soteapan 16 Mirador Saltillo 748I Soteapan 17 Ocozotepec 749H Soteapan 18 Chacalapa 812T Hueyapan de Ocampo 19 Nacaxtle 813S Hueyapan de Ocampo 20 Gral.