Page 331 the areas of removal are in time dissected by valleys of normal origin. Most of the published work on the geology of the northern green river basin. Tight oil sandstone reservoirs, wyoming and colorado. Looking out at the sagebrush landscape when driving south of pinedale, it is hard to believe that this geologic anticline includes one of the largest gas fields in the world. Making rock candy rock candy is actually sugar crystals, so you can eat your experiment when youre done.
Additionally, pinedale is near several large natural gas fields, including the pinedale anticline and jonah field. Jonah field are quite similar, and the average gas production rate for the. Gas production is from overpressured fluvial channel. Pinedale is an important hunting outfitting town and a gateway to the wind river mountains. Collins consodiated royalties and nerd enterprises. Pinedale anticline and jonah field field trip the online. Jonah field is a large natural gas field in the green river basin in sublette county, wyoming.
Johnson comparison of overpressuring at the pinedale anticline. Pinedale is one tightsands gas field unlikely to see much horizontal well development, according to companies that work there. This book is a 4 12 x 7 14 paperback with 401 pages. New mexico bureau of geology and mineral resources, plate 1, scale 1. Sadly, his book has been out of print for several years, making it difficult to get hold of a copy.
Comptons classic field guide to geological mapping, the book geology in the field, is now available as an ebook and as a print on demand paperback book. The field notebook forms the main record of the data you gather in the field. This field has an estimated ultimate recovery eur of 39 trillion cubic feet of gas equivalent tcfe, making it the third largest gas field in the united states based on 2009 statistics from the u. Make sure you have an adult helping you since youll be using the stove. To download shepherd m 2009 oil field production geology aapg memoir. Pdf integrated reservoir modeling of a pinedale tightgas reservoir. Because of the advanced application of technology and innovative thinking, pinedale has become the model for modern tight gas development in the united states and throughout the world. Today pinedale is resourcewise and economically a very significant natural gas field. Pinedale anticline and jonah fields, sublette county. As the term implies, field geology means field work, geology as practiced by direct observation of outcrops, exposures, landscapes, and drill cores. It may not be clear which stratigraphic interval has been found on the other side of the fault. The pinedale anticline is vitally important for the nations energy needs. Understanding this field can provide a model for developing similar tight sandstone reservoirs around the world. The field is coincident with the thrustbounded pinedale anticline, which is situated approximately 5 mi 8 km west of the west edge of the wind river mountains, another thrustfaultbounded feature.
After being rediscovered in the early 1990s, jonah field was heralded as one of the most significant onshore natural gas discoveries in the second half of the 20th century. This book features information not found in other field geology texts, including identification and modern classification of rocks, means of recognizing and interpreting primary structures in rocks which reveal their origin, coverage of engineering geologic maps, and recognition of recently active faults. A sweet spot in a regionally pervasive basincentered gas accumulation, green river and hoback basins, wyoming. Aapg studies in geology 52 and rocky mountain association of geologists 2004 guidebook. Field geology illustrated is a reliable, in depth field reference for professional geologists, serious amateur geologists, and other environmental scientists. Pinedale is one tightsands gas field unlikely to see much horizontal well development, according to. The pinedale field, a giant gas and gas condensate field, is located in the northwest part of the green river basin in southwest wyoming. Cultural geology guidepinedale anticline wyoming state. Comes with 20 pages of geology reference pages and a scale for measuring and pictures. Pinedale glacial history of the upper arkansas river. Jonah and pinedale fields are low porosity, submillidarcy permeability, and have inverted pressure profiles, that is, overpressure builds from the top of the gas system to a maximum near the 0 25 50 75 10012.
There are many unmarked dirt roads, often traveled by heavy trucks. Natural gas has been flowing from the jonah field and pinedale anticline in western wyoming since the early 1990s, bringing with it substantial profits, tax revenues, prosperity, social change, air pollution, and declines in local muledeer populations. From leasing through production by dawn ballou, pinedale online. Improved geologic insights combined with advances in technology and innovative thinking, mainly since the late 1990s, have driven pinedale field s development and unlocked a giant natural gas resource in stacked lowpermeability fluvial sandstones. This giant gas field was discovered in the late 1990s and is expected to produce 39 trillion cubic ft of natural gas. An introduction to the study of rocks and minerals. Its also possible to visit the field independently, though it is advised to do so carefully. It is one of the largest natural gas fields in the united states with ultimate recoverable reserves estimated to be about 39 trillion cubic feet tcf of methane.
Understanding this field can provide a model for developing similar tight sandstone reservoirs around. Field geology is done in the field, but comptons manual will give every geologist the. The book only shows its age 1985 with omission of a couple of important developments in field geology such as gps, now often used in field reports. Pinedale field is located in the northern part of the green river basin in western wyoming about 90 mi 145 km southeast of jackson, wyoming, near the town of pinedale figure 1. The american association of petroleum geologists is an international organization with over 38,000 members in 100plus countries. It is one of the largest natural gas fields in the united states with ultimate recoverable reserves estimated to be about 39 trillion cubic feet tcf of methanerich natural gas. Sometimes, after tracking the target interval, the well may then cross an unexpected subseismic fault and exit out of the target zone. Geology of the lance pool, pinedale field thomas meyer, stephen r. Jonah field was discovered by geologist ed warner working with mcmurry oil, ft. The book follows the typical sequence of a students experience in learning field work. Geology of the lance pool, pinedale field thomas meyer. The town of pinedale, wyoming, is at the northeast end of the field. The ranges of firstsample gas rates in pinedale field and.
This giant field is named after the pinedale anticline, a northwestsoutheast trending folded structure about 5 mi 8 km wide and 35 mi 56 km long. Structural geology the northern green river basin is a simple 1\1wse trending asymmetric basin with a gentle northeastdipping west flank. I thought to numerous color and bw photographs were helpful clues, but if you want to identify minerals just with pictures you miss the whole point, for the environment and properties of unknown samples are just as important. Pinedale field and neighboring jonah field are both giant gas fields producing from the upper cretaceous lance pool in the greater green river basin in southwest wyoming. Pinedale field is a giant natural gas resource with unique geologic characteristics. Chapter b national coal a summary of the coal deposits in. Pinedale field is the largest gas field in wyoming and the sixth largest in the united states. The pinedale anticli ne is the only major structural inversion in the basin. Pdf the pinedale anticline is a large natural gas field in the greater green. Southern san juan basin, nm ram mesapinedale oil seepmesa verde n. The significance of the pinedale field thomas meyer and mark longman history of exploration and commercialization of the giant pinedale tight gas sand field, sublette county, wyoming stephen r. It is also a major gateway to the jackson hole area in wyoming. Images, code, and content on this website are property of geology.
The significance of the pinedale field pinedale field. Jonah field is a giant gas field producing from extremely lowporosity and. Field geologists thus attempt to describe and explain surface features, underground structures, and their interrelationships. The jonah field is located south of the pinedale anticline and also in sublette county. Rite in the rain 540f geological field book the standard for geology students. A sweet spot in a regionally pervasive basincentered. I found this book an excellent resource to learn about and identify rocks and minerals found in the field. The field is approximately 32 miles 51 km south of pinedale and 65 miles 105 km north of rock springs in southwestern wyoming, and is estimated to contain 10. Operators drill multiple directional wells from a single pad and not just for environmental reasons. Those engaged in field geology investigate rocks and rock materials in their natural environment. At very high angles, if the top reservoir is 15 m 49 ft deeper than predicted, the target will be penetrated much later than planned, or maybe missed altogether.
Ultra petroleum, shell and questar, the three big companies that are involved in natural gas production in the pinedale anticline, have been working hard to get information out to the public through field tours and ongoing educational sessions. The pinedale areas geology has dictated a characteristic approach to development. Geophysical interpretation of pinedale field sally g. Three significant stages of faulting and erosion may be considered. The reservoir rocks in pinedale field occur at depths of about 8500. Rocks and minerals peterson field guides by frederick h.
In particular, it should contain notes on where the data were collected, the relationships between the different rock bodies, their compositional and textural characteristics, and internal features. May 16, 2005 field geology illustrated is a reliable, in depth field reference for professional geologists, serious amateur geologists, and other environmental scientists. It is approximately 35 miles south of pinedale and about 70 miles north of rock springs. Petrophysics of the lance sandstone reservoirs in jonah field. The significance of the pinedale field 3 commercial rates.
A shallow sweetspot in the basincentered gas accumulation of the. Rocky mountain association of geologists, 1972, geologic atlas of the rock mountain region big red book. The purposes of this association are to advance the science of geology. Geology field book cover this cover is made to fit all of the bound field books sold above. Those who have the book often insist that their younger v. Jonah field is a large natural gas field in the green river basin in sublette county, wyoming, in the united states. It is interesting to see the pinedale anticline and jonah field, and the best way to do so is with a formal tour provided by one of the operating companies working in the area.
The wind river mountains to the east and the wyoming thrust belt to the west flank these two giant fields. Homepublications special publications books book details. Gas accumulation, green river and hoback basins, wyoming ben e. A peterson field guide to rocks and minerals by frederick h. The pinedale anticline is a classic anticlinal structure formed by thrusting along the pinedale thrust fault on the southwest flank and folding above the thrust. Pdf integrated reservoir modeling of a pinedale tight.
Geology of the lance pool, pinedale field pinedale field. In an early stage, figure 6, the low fault scarp is notched by ravines whose location and length are determined by the site of prefaulting inequalities in the upper surface of the block. Minerals hardness 1gypsum, 2halite mineral 1 is harder or softer than a penny. Rocks and minerals peterson field guides table of contents. Field geology books waterproof pens field book covers. Improved geologic insights combined with advances in technology and innovative thinking, mainly since the laste 1990s, have driven pinedale fields development and unlocked a giant natural gas resource in stacked lowpermeability fluvial sandstones. Chapter b national coal a summary of the coal deposits in the. Richly illustrated with 688 highquality photographs and 300. A plastic clip keeps the durable cordura cover closed and the book firmly secured. Gas, oil, and water production from jonah, pinedale. Simply stated, it was technological advancements and innovative thinking that led to the commercialization of the pinedale field.
The pinedale anticline was first delineated by detailed geologic mapping in the 1920s. B6 geology and resource assessment of coal in the colorado plateau. Spencer geology of the lance pool, pinedale field thomas meyer, stephen r. A peterson field guide to rocks and minerals by frederick. Field geology is done in the field, but comptons manual will give every geologist the necessary information to begin the adventure. This geology teacher guide of rocky mountain national park includes the geologic history starting 1. Improved geologic insights combined with advances in technology and innovative thinking, mainly since the late 1990s, have driven pinedale fields development and unlocked a giant natural gas resource in stacked lowpermeability fluvial sandstones. It usually also records the location of any samples collected, the position and orientation of any photographs taken. The wyoming thrust belt is located approximately 30 mi 48 km to the west. Pinedale field is located in the northern part of the green river basin in western wyoming about 90 mi 145 km southeast of jackson, wyoming, near the town of pinedale. In 1962 he published manual of field geology, which soon became a classic. Gas, oil, and water production from jonah, pinedale, greater. Fossils gastropod gastropod ammonite echinid trilobite trilobite ammonite ammonite can you identify the fossils.
The pinedale anticline lies on the northeast flank of the bridger basin, adjacent and approximately parallel to the northwest southeast trending wind river. Jonah field is delineated by two main subvertical bounding faults and several internal faults that subdivide the field into smaller compartments. Arizona, colorado, new mexico, and utah pinedale coal field location the small pinedale coal. Jonah field and the pinedale anticline are the only areas where the top of sustained gas shows has been found above 10. Nov 08, 2014 natural gas has been flowing from the jonah field and pinedale anticline in western wyoming since the early 1990s, bringing with it substantial profits, tax revenues, prosperity, social change, air pollution, and declines in local muledeer populations. Managed by the bureau of land management, the field has a productive. Official program book and expanded abstracts volume prepared for the 1997.
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