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YOUR GUIDE TO THE SUBSURFACE
GEOMAP ® NEWS

Marcellus Shale Play Mapping Service

The Marcellus Shale Play has the potential to be the largest gas field in the United States. The core area of the Marcellus Shale Play extends from southern New York, through western Pennsylvania and West Virginia. Estimated recoverable reserves of 50 trillion cubic feet of gas from the Marcellus shale have been forecast. If this recovery is realized, the Marcellus reservoir would be considered a Super Giant gas field.

Geomap® Company now offers a Marcellus Shale map service covering the core of the Marcellus Play. Components include 1":8000' isopach maps that reflects the thickness of the "Hot Shale" signature of the Marcellus. This "Hot Shale" condition is "time transgressive" meaning it does not coincide with a static rock marker or time marker. We are simply mapping the thickness of a depositional condition that yields an off scale reading on a gamma ray log. All Marcellus completions and locations are highlighted on this map giving a detailed view of Marcellus drilling activity.

The Marcellus service also includes 1":8000' Onondaga structure maps. The Marcellus Shale directly overlies the Onondaga formation. This marker best reflects the structural setting for the Marcellus Shale.

Another component of the Marcellus service is a 1":32,000' overview map showing the Marcellus Shale thickness and Marcellus drilling activity for the entire play. This map is great for a quick look reference on a regional scale.

The final component offered is a "Type Log" map. Selected logs are laid out on Geomap's 1":32,000' regional scale map in a semi-cross section format defining the isopach and structural markers used in the interpretation of the Marcellus Shale Play.

The Marcellus Shale play has great potential. Its proximal location to the nation's population centers magnify its economic significance. As this play matures and more data becomes available, Geomap® Company plans to add new components to aid in the exploitation of this resource play.

Eagleford Shale Mapping Service

With the discovery of Hawkville field in 2008, the down-dip Eagleford shale has brought continued success to those companies willing to unlock the reservoir complexities of this black petroliferous shale. Reported to be relatively brittle with high amounts of silica and calcite filled fractures, the Eagleford has brought renewed attention to South Texas.

To complement the recent activity in this emerging resource play Geomap® has introduced its Eagleford Shale mapping service. Covering portions of Maverick, Dimmit, Webb, LaSalle, and McMullen Counties, components of the service include: 1"=4000' Eagleford structure and isopach maps, three dip cross-sections, and a 1"=8000' scaled Activity map depicting Eagleford producers, perforations, initial potentials, cumulative production (where available), and new locations.

Pearsall Shale Mapping Service

The Lower Cretaceous Pearsall shale of South Texas has become a relatively new exploration target in the popular unconventional shale resource plays.Productive from the mid 1960's in the Maverick basin, the Pearsall Formation defines a regionally occuring shoal-water limestone complex, and open-water shelf system with a maximum thickness of 500-600 feet.

Geomap® Company has introduced its Pearsall shale mapping service of South Texas consisting of:1"=4000'structure and isopach maps, dip cross-section traversing Maverick and Dimmit Counties,and 1"=8000' Activity Map depicting Pearsall producers, perforations, initial potentials, cumulative production (where available), and new locations.

Piceance Basin Mapping Service

The Mesaverde gas play in the Piceance Basin has been one of the most heavily drilled areas in the Rockies over the last few decades. In this time a fairway of Williams Fork production has developed including Rulison, Parachute, Mamm Creek, and Grand Valley Fields. Each of these fields has produced between 500 and 900 BCF cumulatively and produced in excess of 100 BCF over the last 12 months. Although drilling may have slowed due to current economic conditions, production continues to increase and the play expands.

Geomap® has produced a new map service covering the entire Piceance Basin. The base maps are newly constructed at a scale 1':4000'. They are contoured primarily on the top of the Rollins Sandstone, which underlies the Williams Fork formation and is the upper member of the Iles Formation of the Mesaverde Group. In shallower, marginal parts of the basin such as the Douglas Creek arch, the older Dakota Sandstone top is used. Like all Geomap® products, the correlations are picked and the geology is hand-contoured by our staff of experienced geologists.

Mapping this play can present unique difficulties. Although some of the data is available from public sources, it can only take you so far. Most of the wells are directionally drilled from a relatively small number of surface locations. Many sources of well data simply show you those surface locations. Reported geologic tops usually do not account for the difference between measured depths and true vertical depths. Our new map service shows these wells with their surface and bottom-hole locations and our geologic tops are calculated on true vertical depths to give you accurate subsea values for the most coherent geologic interpretation. To understand this play, you'll want the complete picture that Geomap® provides.

Olmos Cross-sections Included with Middle Texas Gulf Coast Mapping Service

Today's drilling activity clearly targets resources that have low permeability and require advanced drilling or stimulation technologies to be commercially productive. Geomap® Company continues to offer regional products which incorporate interpretations for these unconventional resource plays. In our Middle Texas Gulf Coast Mapping Service, the Upper Cretaceous Olmos, a tight gas sand in the vicinity of the Maverick Basin, has had continued success since the late 1940s. These sand/shale sequences consist of many layers to characterize, complete and stimulate. Advances in reservoir characterizations, hydraulic fracturing, and drilling techniques have allowed the down-dip Olmos to be commercially gas productive. We have included four cross sections, two dip and two strike covering the tight gas fairway in Maverick, Dimmit, La Salle and Upper Webb Counties for your viewing, should you decide to enter this play.

We hope this addition to the Middle Texas Gulf Coast Mapping Service will enhance your decision making process when exploiting the Olmos Tight Gas Play.

Haynesville Play Mapping Service

The stratigraphic position of the Haynesville Shale has generated much discussion in the industry. Geomap® Company has constructed two cross sections to delineate this new target zone in its proper position within the sub-regional stratigraphy. The distribution of the organic-rich shale is exhibited on an interval isopach map, and Lower Smackover mapping displays the structure immediately below the Haynesville. The service also includes an activity map that keeps track of Haynesville new locations, penetrations, producers and initial production information.

Michigan Basin Executive Reference Maps

Geomap® is expanding our horizons and introducing a NEW Michigan Basin reference map. The new map shows all of Michigan's oil and gas fields, field names, and discovery dates for those fields. The field boundaries are color coded and keyed to a stratigraphic column reflecting the age of the producing formations. Color distribution within field boundaries approximates the areal extent of production for each productive formation within the field.

The Michigan Basin Reference map also has a companion map, "Antrim Shale Play Map" highlighting all Antrim Shale production in the Michigan Basin. All conventional oil and gas fields are shown in gray with the Antrim production colorfully displayed. These maps are great for regional overviews of the basin.

New Albany Shale Play

Geomap® is introducing a "New Albany Shale Play" map for Indiana and Kentucky. All New Albany Shale production is colorfully displayed on this map along with the names of fields having New Albany production. Regional structural features are prominently displayed. Conventional oil and gas production is shown in gray. The New Albany Shale play is one of many emerging shale plays. Geomap® is working hard to supply quality products to meet the demand of the nation's oil and gas industry.

Geomap® Company has completed a "New Albany Shale" Mapping Service highlighting the unconventional shale gas trends of the Illinois Basin. The service contains structure maps for the Illinois Basin mapped on the Top New Albany Shale. The map service identifies New Albany producers and displays initial potential rates for selected New Albany producers. Field names with New Albany production have been highlighted. The service also includes an overview "Play" map colorfully displaying New Albany Shale trends for the basin.

Tight Sands of the Anadarko Basin

This map highlights the Tight Sand plays in the Anadarko Basin. The Energy Information Agency (EIA) estimates tight sands represent 21% of total recoverable natural gas in the United States; whereas shale gas, and coal bed methane represent only 5% each. It depicts the extent and production within the CLEVELAND, CHEROKEE and GRANITE WASH TIGHT SAND PLAYS. Displayed on our Western Oklahoma - Texas Panhandle Executive Reference Map base, it also includes major field names, grid and tectonic features. With current economic trends, and the introduction of new technology; the conventional has become the unconventional. As new plays emerge it is the goal of Geomap® to be your guide to the unconventional.

Bakken Play Map Service

Geomap® has added three new cross sections and five new structure maps to the Bakken Play Map Service. Each of the cross sections, two west-east and one north-south, displays 19 wells that are hung on the Upper Bakken. The lower Lodgepole to upper Duperow interval is highlighted. Each stratigraphic section also contains an inset structural section.

Five 1:4000 scale structure maps recently have been added to the 11 structure maps already in the service. This extends the area of coverage eastward and northward in North Dakota, encompassing the dramatically promising Parshall area of Mountrail County and the central Nesson-Antelope Trend.

Northern Rockies Extended Area Reference

The Northern Rockies Extended Area Reference Map depicts the geologic structure and petroleum production of Wyoming, Montana, and the Dakotas.

The map covers the Williston Basin, Powder River Basin, Greater Green River Basin, Wind River Basin, Big Horn Basin, Wyoming Overthrust Belt, Sweetgrass Arch, and more. Oil and gas fields are represented in colors that indicate the age of their producing reservoirs. Major oil and gas fields and tectonic features are named. In most of the area, the structural contours and pay zone assignments are derived from our mapping services and are based on years of detailed mapping and log correlation by Geomap's geologic staff.

Central Utah Hingeline base map

Geomap® now offers a 1:4000 base map of the Central Utah Hingeline, centered on Covenant Field. Wolverine Gas & Oil's 2004 discovery of Covenant field sparked renewed interest in this overthrust play that had been largely ignored since the 1980s. Many explorationists now recognize that this area may have the greatest potential for major new oil reserves of any onshore province in the lower 48.

Geomap's new digital base contains updated well spots and standard petroleum base map features. Each well is identified by API number, operator, well number and fee name, total depth and completion date. Bottomhole locations are also shown for directional wells. The map includes public land survey grid, hydrology, transportation and municipal boundaries.

Floyd Shale Map Service

The Floyd Shale map service highlights the unconvential Floyd and Conasauga shale activity of northeastern Mississippi and northern Alabama. The service features an Isopach map of the Floyd Shale. All Floyd shale discoveries and activity are identified. A log image showing the Floyd section is displayed on the Isopach map. Two cross sections are included showing the facies changes of the Floyd. Base map coverage of the the active Floyd and Conasauga areas of interest are also included as components of this map service.

Barnett-Woodford Delaware Basin of West Texas

Geomap® continues to develop its new and emerging unconventional gas trends and introduces a new service in West Texas. Look for more additions to this exciting new trend soon.

New Fayetteville Shale Play Map Service

Geomap® now offers a great reconnaissance tool for the Fayetteville Shale Play in Northern Arkansas. The Fayetteville Shale Play is in its early stages of development, but is potentially another Barnett Shale Play in the making. A SEECO, Inc. discovery in Conway County, Arkansas in the fall of 2004, kicked off this emerging play. The Fayetteville Shale is an unconventional gas reservoir found on the Arkansas side of the Arkoma Basin. This Mississippian age shale is the geologic equivalent of the Caney Shale located on the Oklahoma side of the Arkoma Basin. Geomap® continues to offer you more as this play continues to expand.

Geomap® has replaced their Kessler mapping horizon in Arkansas with a Dunn "C" structural interpretation. The Top Dunn "C" is a more consistent structural marker and represents a conformable stratigraphic unit, thereby yielding a more accurate structural interpretation. Geomap® hopes our clients find this improvement beneficial.

Geomap® Company has added three new Arkansas Base maps in response to Fayetteville Shale leasing activity. The new bases are AK-27, Woodruff County, AK-32, Monroe & Eastern Prairie Counties, and AK-33, Western Prairie & Lonoke Counties. Base maps can be purchased by calling Geomap Sales at (972) 578-0571.

Barnett Shale Play Map Service

Expansion of Geomap's Barnett Shale Play Map Service for the Fort Worth Basin has kept pace with expansion of the Newark East Field, now Texas' largest gas field. The service currently contains eleven 1:4000 scale maps which highlight all 7,897 Barnett producers (as of January 2008), in addition to all Barnett and sub-Barnett penetrations. Each map consists of up to four layers which depict structure, isopach, and isopotential data and contours.

Regional maps at 1:10,000 and 1:12,000 scales supplement more detailed coverage and facilitate assessment of regional productive and isopach trends and pipeline locations. A 1:25,000 scale play map depicts productive trends across the entire Fort Worth Basin and Bend Arch, extending to the geologic limits of the Barnett Formation. Four stratigraphic cross sections display the lower Bend to upper Viola-Ellenburger interval, highlighting correlations used in Geomap's structural and isopach interpretations.

Bend Shale (Palo Duro Basin) Base Maps

Geomap® introduces base maps at a 1:4000 scale for protions of Motley, Floyd, Hale, Swisher, Briscoe, Hall, Armstrong, and Randall counties.


GEOMAP ® COMPANY
1100 Geomap Lane
Plano, Texas 75074-7199

Plano, Texas
972.578.0571
Fax 972.424.5533
Dallas, Texas
214.363.1078
Fax 214.373.4608
Houston, Texas
713.520.8989
Fax 713.520.8376
Midland, Texas
432.682.3787
Fax 432.682.7949

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