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Seven wells have been drilled onshore between 1947 and 1967. Bitumen and gas shows had been observed. Spectrum performed 70.3 km of onshore 2D seismic surveys in 2013.

Airborne geophysical acquisition surveys have been undertaken by Neos Geosolutions in 2014. The survey covered approximately 6000 km2 (pictured in the polygon to the right), of which 2000 km2 covered the coast of Lebanon and 4000 km2 onshore.

Neos flew two fixed-wing aircraft acquisition platforms outfitted with advanced sensors: one to perform Hyperspectral acquisition and the other to perform Magnetic, Electromagnetic, Radiometric and Gravitational (MERG) acquisition. The hyperspectral survey began on Friday 3rd October, 2014 and was used to identify spectral signatures of direct and indirect indicators of hydrocarbons and minerals on the surface. The second plane arrived during the month of October, 2014. The MERG survey merged magnetic, electromagnetic, gravitational and radiometric surveys.

Ground Magnetotelluric (MT) stations were installed that connected the airborne electromagnetic measurements with ground electromagnetic measurements to improve on measurement depths.

Neos Geosolutions typically works with Multi-Measurement interpretation (MMI) involving the integration of geological, geophysical, geochemical and petrophysical datasets including well logs, cores, two-dimensional (2D) and three-dimensional (3D) seismic lines. Neos initially interprets each data set individually, followed by qualitative multi-measurement interpretation whereby several datasets will be interpreted in combination. Finally, Neos applied a variety of geostatistical and predictive analytic techniques to quantitatively interpret all relevant geologic and geophysical measurements, attributes and derivatives.

The airborne acquisition surveys aimed to connect the onshore geologic and geophysical data to the offshore data. This involved incorporating onshore and offshore seismic data in the interpretation and integration of the transition zone along the coast of Lebanon which allowed for vital insight into understanding the geology of Lebanon.

Further geophysical surveys will be performed in order to assess the hydrocarbon prospectivity onshore. 2D seismic acquisition programs, up to 500 linear km, will be performed with the objective of linking the offshore to the onshore in order to better understand the geology in the vicinity of the drilled wells onshore


Neos Lebanon NeoBasin Study: In mid-2015, an interpretation study was performed on the data acquired from the airborne geophysical survey that covered 6000 km2, of which 2000 km2 covered the coast of Lebanon and 4000 km2 onshore.

The data interpreted supports the presence of significant potential for hydrocarbons discovery, and identified six areas of interest onshore and three areas of interest on the margin area. Furthermore, a dual seismic/gravity and magnetic interpretation was performed along parts of the 2D lines acquired by Spectrum that intersects with the gravity survey acquired by Neos.

Poor seismic coverage and imaging quality on the margin had affected previous petroleum assessments, specifically in terms of risk assessment. The airborne geophysical and magnetic field data reduced uncertainties associated with risk assessment that have been calculated in previous studies. The data supported the presence of significant potential for discovery of hydrocarbons in Lebanon in the Triassic. Triassic and Paleozoic thermal analysis indicated wet gas transitioning to dry gas probable with some liquids possible. The study looks at the Triassic Reservoir only. The goals of the static (in-place volumes) calculations and uncertainty study are to determine volumes of gas in place, Click here to find out more.

Multi-Client geophysical data is available from:
Spectrum - www.spectrumasa.com
PGS - www.pgs.com
NEOS - www.neosgeo.com

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