Resource Technologies, Inc. specializes in understading seismic velocity anomalies. Dr. Dick Coons has spent the last 25 years studying and working on complex seismic velocity problems. He has a squite of proprietary software, which allows him to reprocess seismic data, removing the effects of fault shadows, gas chimneys, shall gas, etc.
Resource Technologies was established in 1987 to use state of the art Continuous Velocity Analysis (CVA) to identify local velocity variations which mask oil and gas producing structures. Proprietary software was developed to investigate gas chimneys, channels, permafrost and fault shadows. Over a period of 10 years consulting projects led to major oil and gas discoveries in the Gulf of Mexico, North Sea, Indonesia, and other areas.
Since 1997 I have been on a retainer to generate prospects in Offshore Texas and Louisiana for an individual company with a large 3D seismic database. This effort has led to the acquisition of 6 federal leases and an initial gas discovery. This project was completed in May, 2000. Since then I have initiated a proprietary exploration program in the shallow water (0-100') in the Offshore Gulf of Mexico.
Natural Gas has been and is currently being generated in the offshore areas of the Gulf of Mexico. This gas migrates laterally and vertically over geologic time. Small percentages of gas are left in the pore space after the gas has migrated through the sediments. Micro-fractures assist in controlling the path of gas migration. These volumes of sediment with residual gas saturation have a significantly lower seismic velocity. This results in depth highs being portrayed as time lows. Thus wells which are drilled on the time highs (even when based on 3D surveys) are miss-located relative to the depth high and trap. Resource Technologies has acquired license to 40,000 miles of 2D seismic data over shallow water portions of Offshore Louisiana and Texas. This includes access to 30000 miles of field tapes which can be used to quantify gas chimneys and fault shadows through the use of Continuous Velocity Analysis (CVA) and Amplitude Versus Offset (AVO). As of February 1st 1600 miles of data have been examined over open federal leases. Currently ten leads have been established where leases are available. The limited 3D seismic data that is available is severely distorted by these local velocity variations. Thus opportunities exist offsetting as well as below existing production.
I recommend that an additional 4000 miles of 2D data be selected and existing 9 track field tapes be copied to 8mm tape. Continuous velocity and AVO analysis can then be used to quantify the existing leads and to identify additional opportunities.
Most exploratory wells have been drilled on time highs as defined by 2D and 3D seismic surveys. In many instances the depth highs are not coincident with the time highs. Thus opportunities exist for exploration in shallow water at moderate cost using available seismic analysis methods. Leads can be recognized by examination of existing 2D and 3D seismic data. This has been proven by 20 years of experience in mapping of such gas chimneys and fault shadows. Masked structures can be quantified by selective reprocessing of seismic data.
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