Grand Bay Field

The Grand Bay Field is located in Plaquemines Parish, approximately 70 miles southeast ofNew Orleans,Louisiana. It is situated in the transitional coastline in a protected in-bay environment on parish and state leases on the east side of theMississippi River. Gulf Oil Corporation discovered the field in 1938. Saratoga is the operator of all of theGrandBaywith 100% working interest and an average 79% net revenue interest. Our leases in the Grand Bay Field, which are all HBP, cover an estimated 17,270 gross and net acres. Facilities include a central compressor station, four tank batteries, numerous gas lift manifolds and a bunk house, from which all field operations are controlled. Low pressure, high Btu-content gas at Grand Bay Field is used to lift oil and high pressure, lower Btu-content gas.

Grand Bay Field is a large, faulted anticlinal structure with cumulative production to date of over 258 MMBOE (83% oil) from 65 different sand formations located at depths between approximately 1,600 and 13,500 feet. There has never been a dry hole drilled within the field confines. Grand Bay lies on a northwest/southeast trending, deep-seated salt ridge that also sets up Coquille Bay Field, to the northwest, and Romere Pass Field, to the southeast. Trapping is predominantly from intersecting fault closures associated with this anticlinal feature, although there are cases of stratigraphic trapping. The predominant drive mechanism is water drive. Some productive formations are clean, blocky sands with high-resistivity pay. Other laminated, low-resistivity sands are also productive. Shallow sands are predominantly gas-filled and associated with anomalous amplitudes. There are additional shallow amplitudes in the field that have not yet been drilled or logged.

There are 61 gross productive wells plus 42 PDNP plus 64 PUD opportunities in 14 proposed drilling locations. There are also 26 probable developed nonproducing, 19 probable undeveloped opportunities in 14 proposed drilling locations, 11 possible developed nonproducing and 51 possible undeveloped opportunities in 14 proposed drilling locations within the field. Development wells will be predominantly attic locations drilled directional along fault planes, updip from either production of log pay, or infill locations targeting unswept portions of the field. Individual well production declines are relatively low. Many wells, such as the A29 and QQ199 wells, show declines of 7-12%. Grand Bay has had a low 7-8% decline during the late 1970s and late 1990s when previous operators failed to invest in field development. Saratoga is producing from 36 wells that are more than 40 years old, including 12 wells dating from the 1940s and 1950s.

We have undertaken a comprehensive full field study approach at Grand Bay Field that is still ongoing.  We are continuing to evaluate the shallow Pliocene gas potential above 5,000 feet as well as deeper oil and gas potential in the Tex W, Big Hum, Cris I, Lower Tertiary and Cretaceous formations below 13,500 feet. We own a license to 90 square miles of proprietary 3D seismic data relating to the Grand Bay Field, which was originally acquired by Greenhill in 1994 and reprocessed bySaratogain 2008. We expect to use this dataset to better locate proposed development wells as well as delineating shallow gas exploration and deep oil and gas targets below existing production. Significant untapped potential of over 50 BCFE of shallow Plio-Pleistocene gas and over 5 TCF plus 600 MMBO of deep Miocene and ultra-deep Lower Tertiary/Cretaceous gas and condensate has been identified and mapped by the company using its proprietary 3D data.

Click Here for “Grand Bay Field – 70 Years On and Still Going Strong” Presentation

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