TERRA ENERGY & RESOURCE TECHNOLOGIES, INC (TERRA) (OTCQB: TEGR) is a space-age, geoscience services company bringing innovation to the exploration process and addressing some of the most challenging natural resource prospecting problems of the modern era. Terra uses alternative remote sensing, geochemical and micro-seismic technologies developed over decades to:
Understand the subsurface better, save time, cut costs, and thereby increase exploration success rates
Delineate hydrocarbon structures across territories of any size, geography, accessibility or condition
High-grade areas, on or off-shore, to focus and optimize work program or discretely evaluate blocks
Model structures in challenging geological conditions where 2D & 3D fail (thrust-folding, basalt, etc.)
Generate HC prospects: provide structure contours, depth, and drilling locations
Confirm presence of hydrocarbons using adsorbed gas geochemical anomalies
Assess reservoir quality through micro-seismic, open fracturing studies
Terra, through its wholly owned subsidiary, Terra Insight Services, Inc., offers exploration services using innovative technologies. Terra’s methods are applied in early exploration stages, in uncharted areas, in difficult settings, in the face of complex geological conditions and/or after conventional methods fail to produce results. The Terra Technology suite is a powerful set of tools that increase exploration success rates, save time and cut costs. It includes:
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Sub Terrain Prospecting (STeP®) is a proprietary, remote sensing and analytical technology which interprets and quantifies various natural phenomena manifest at the surface using sophisticated algorithms and models, such phenomena being directly linked to subsurface hydrocarbon-bearing geological features. Most of the data is acquired via satellite. STeP® integrates tectonic, morphological, structural, and spectral models which assess and determine the presence of hydrocarbon structures/anomalies, on or off shore. While Remote Earth Sensing (RES) is not new, STeP® introduces extremely effective analytical and interpretative processes that render its brand of remote sensing far more informative and accurate than the options offered by competitors.
STeP® provides important information relevant to determining the location, depth and, at times, thickness of subsurface hydrocarbon accumulations. STeP® uses extremely sophisticated data-mining techniques including Kohonen artificial neural nets (also known as self-organizing maps), pattern recognition techniques and fuzzy logic.
Naturally Absorbed Gas Services (NAGS) discovers anomalies in the adsorbed gas content of rock samples collected just below the soil level indicative of hydrocarbon prospectivity. NAGS is based on the concept of the gas field of the Earth, a natural flux of gases composed of all of the light homologs of methane as well as other inorganic gases, described as “the background gas field”. As these gases ascend to the surface and interact with hydrocarbon-saturated formations, they undergo alteration in several ways (mechanically, physically, and chemically), and the resulting anomalies in the distribution of gases become manifest at the surface.
Such anomalies, which are a computational result of the analysis of adsorbed gases in rock samples near the surface, occur only when hydrocarbon deposits are present in the subsurface. These anomalies are relational constructs developed in the NAGS model and appear as ring-shaped and crest-and-ring-shaped structures present on the Earth’s surface in terms of the distribution of gas components, various gas proportions, ratios, contrast curves, etc.
SVSL (Side View Seismic Locator) determines reservoir quality by identifying zones of open fracturing which are known for superior productive potential. It is principally a new method of micro-seismic exploration designed to study fracturing in potential reservoirs.
There is a fundamental difference between SVSL and conventional seismic exploration. Conventional seismic is based primarily on the use of reflected waves, while SVSL is based on the analysis of scattered waves.
Acoustic impedance of an open fracture is of an order higher than that of other subsurface geological features, causing scattered waves to provide specific information pertaining to open fracturing. To identify low-power scattered waves in man-made seismic wave fields, SVSL uses synchronous stacking of scattered wave signals at 104 and suppression of reflected waves via special observation geometry and its proprietary Focusing Transformation Algorithms. SVSL can reprocess both 2D and 3D-seismic data, or it can be applied real-time in the field using conventional energy sources but through a proprietary acquisition process. The method is best applied in carbonate rocks and other types of fractured reservoirs.
Seismic Location of Emission Centers (SLEC) directly determines the presence and nature of fluids in the subsurface. SLEC’s shows the presence and movement of oil, gas and water within a given reservoir. It is a passive seismic technology that enables the study of the 4D distribution of open fracture dynamics. SLEC’s process detects natural seismic emission (SE) waves generated during a cycle of opening and collapse of micro-fractures known to occur in the Earth’s subsurface, seemingly because of gravitational changes. SE waves are identified in the measured wave field by applying the proprietary Focusing Transformation Algorithm, which helps locate emission centers within open fractures. The behavior of SE is unique to oil, water or dry saturation in the respective horizon.
SLEC is a real time technology that allows the continuous measurement and processing of the seismic-wave-field to determine the fluid type/fluid saturation, hydrocarbons' distribution, oil-to-water contact, fluid migration and reservoir dynamics for each horizon in a target area. With these capabilities, besides being useful for vertical wells, SLEC can also be applied to plan horizontal drilling/injection wells, monitor hydraulic fracturing and observe water advance in production.
For more information, visit: www.terrainsight.com