Offshore Mozambique 6th Licensing Round | Schlumberger
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Offshore Mozambique 6th Licensing Round

More than 110,000 km of broadband 2D and 15,000 km2 of 3D seismic data

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Maximize geological understanding of offshore Mozambique

The anticipated announcement of Mozambique’s 6th oil and gas licensing round will promote exploration and production activities, and we have comprehensive data coverage from shallow to deep water that provides insight into the geology offshore Mozambique. Palaeocene and Oligocene submarine channels are targets in the Rovuma Basin; these targets remain a focus in the Mozambique Channel area and extend farther south. Explorationists have also successfully mapped and identified Cretaceous slope- and basin-floor fans.

WesternGeco, in collaboration with the National Petroleum Institute of Mozambique (INP), holds an extensive multiclient 2D and 3D data library of offshore Mozambique ranging from prestacked time migration (PSTM) and prestacked depth migration (PSDM) data to shallow hazard 3D volumes. Available to license, these seismic datasets reveal the hydrocarbon potential of both shallow- and deepwater turbiditic systems. This library of regional seismic coverage enables you to map and derisk the sedimentary architecture of these clastic systems.

The 2D library covers more than 110,000 km of seismic data, including 68,000 km of modern broadband data with infill and 24,000 km of reprocessed legacy surveys using PSTM.

Mozambique map for 2020 licensing bid

It takes regional datasets to thoroughly understand the offshore Mozambique frontier margin. Our multiclient seismic and nonseismic data will help you uncover the potential of this untapped reservoir.

Legacy seismic survey with velocity model overlay. Reprocessed seismic survey with velocity model overlay.
Depth-imaged seismic data showing improved resolution of geologic structure.

Regional Mozambique 2D broadband data—Explore opportunities in a highly prospective margin

WesternGeco worked extensively to interpret 2D seismic datasets and conduct regional petroleum systems modeling to further enhance your understanding of basins offshore Mozambique. We offer industry-standard and workstation-ready datasets that enable you to thoroughly understand these frontier margins.

Data highlights

  • Long-offset data, 10-km streamer length
  • Superior anisotropic Kirchhoff PSTM and PSDM workflow
  • Broadband acquisition in 2013 of approximately 37,000 km of seismic data using Q-Marine point-receiver marine seismic system, of which 22,000 km was depth migrated.

The time processing workflow included deghosting, noise attenuation, demultiple, and prestack anisotropic Kirchhoff time migration to provide a clear broadband seismic image of the reservoir targets. These datasets clarify geological uncertainties, especially in deepwater targets, by

  • improving resolution of Tertiary and Cretaceous submarine fans and channels
  • enhancing imaging of Jurassic tilted fault blocks and rift grabens
  • providing further insight regarding the nature of the Biera High and better identifying the continental-oceanic boundary.

WesternGeco 6th License Round 2D Data Package

WesternGeco selected key lines primarily from this regional 2D broadband seismic dataset to support your understanding of the petroleum systems.

Data package includes

  • PSTM full offset stack, angle stacks, velocity model, and gathers
  • gravity and magnetics data
  • interpretation horizons incorporating existing well information
  • regional petroleum systems modeling to further accelerate knowledge of basins offshore Mozambique.
Did you know you can access basin-specific content, including seismic data, via a single platform to accelerate energy discovery?
The GAIA digital subsurface platform integrates the world’s available data—from structured data such as seismic, wells, and production to unstructured content such as news and market reports. It is the end-to-end E&P gateway that enables you to expedite the data-to-discovery journey in basins around the world.
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Angoche Basin

Working with the INP in 2016, WesternGeco acquired 15,000 km2 of 3D broadband seismic data in the prospective Angoche Basin. The survey covers an open area of 5,000 km2 in addition to the adjacent blocks awarded in the 5th licensing round.

The Angoche 3D seismic data, acquired using IsoMetrix marine seismic technology, provides a significant improvement in both data quality and coverage to highlight prospectivity of the region and reduce risk in the exploration and development phases.

Data highlights

  • 15,000 km2  of data acquired using IsoMetrix technology, providing true 3D broadband data
  • Long-offset data with 8-km streamer
  • Final PSTM volume processed through modern broadband processing workflows, including adaptive deghosting (enhancing the low-frequency information in the data) and the application of adaptive subtraction within the 3D surface-related multiple elimination (SRME) aimed at areas of high-frequency diffracted multiple
  • High-quality depth imaging of over 2,500 km2 of seismic data using a combination of adaptive and least-squares full-waveform inversion and iterations of tomography updates. This accounted for the complexity of the overburden, including mass-transport flows, channels, and thin layers.
  • AVO products that demonstrate the value of broadband processing on angle-dependent amplitudes and derisk deepwater exploration
  • 4,990 km2 of high-resolution shallow hazards cube: 2-ms sampling with 6.25-m × 12.5-m bins to functionally assess possible closures or spill points and better delineate fault planes.
     

Legacy image of shallow hazard reprocessing. Image of shallow hazard reprocessing.
Shallow hazard processing shows improved imaging of the complex overburden.

Upcoming Licensing Rounds

The most relevant available data for bid rounds worldwide.

Get a competitive advantage for bid rounds in your prospect area

Gain access to the most relevant data available for bid rounds spanning the globe—from North America to the Middle East to Europe. Get the competitive advantage you need to select the best available prospects to meet the exploration goals of your operation.

Offshore Mozambique 6th Licensing Round

More than 110,000-km of broadband 2D and 15,000 km2 of 3D seismic data

Use broadband 2D seismic data to enhance prospectivity of frontier basins and plays offshore Mozambique.

Malaysia 2020 Licensing Round

19,000 km2 of 3D broadband seismic data

Enhance your prospectivity assessments in Block SB 2T offshore Sabah, Malaysia.

Angola Namibe Basin 2019 Licensing Round

54,000 km2 in the Namibe and Benguela Basins

Enter this frontier basin during its early stages of development.

Brazil Transfer of Rights Bid Round for Excess Volumes

High-definition 3D surveys for blocks in the Santos Basin

Enhance your prospectivity assessment of presalt fields in the Santos Basin.

Egypt Red Sea 2019 Bid Round

11,000 km of long-offset 2D broadband data

Discover an underexplored region with significant potential for hydrocarbon-bearing reservoirs.

Onshore Mexico 3.2 and 3.3 Bid Rounds

>25,000 km of 2D seismic data

Enhance your onshore Mexico prospectivity assessments.

Brazil 16th Bidding Round & 6th Presalt Auction

Five blocks in the prolific Santos and Campos Basins

Image post- and presalt targets to improve your prospectivity assessments and field development decisions.

UK 31st Offshore Licensing Round

370,000 km2 and 1,766 blocks

Improve data quality and fill in data gaps with our integrated geophysical reprocessing services and multiclient data.

GAIA

Digital subsurface platform

Stop exploring for data—start exploring for oil and gas.

Broadband Seismic Processing

Continuously evolving algorithms for optimal deghosting

Extend the bandwidth of your data for any marine acquisition type or technique.

AVO Seismic Inversion

Quantitative reservoir description and characterization

Derive acoustic and elastic impedance through inversion of seismic traces.

Kirchhoff Prestack Depth and Time Migration

The most widely used migration algorithm in the industry

Accommodate a range of geological settings and acquisition geometries with flexible, amplitude-preserving implementation.

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