Gulf Oil and Gas accountACCOUNT

Searcher Completes 3D Reprocessing Project in PNG

Source: 6/8/2018, Location: Asia

Searcher Seismic is pleased to announce the expansion of its modern, high-quality and exploration focused seismic, magnetic and geochemical focused production offerings offshore Papua New Guinea with the completion of the Laurabada UltracubeTM 3D reprocessing project.

The Laurabada UltracubeTM project entailed the reprocessing of two open-file 3D datasets with a modern broadband de-ghosting and pre-stack depth migration sequence over what is highly sought-after acreage. The UltracubeTM is split into two cubes: The Eastern cube is near-shore, shallow water whilst the Western cube is deep-water in the Gulf of Papua. .

Joshua Thorp, Geoscience Manager for Searcher Seismic, said there has been a significant data quality uplift from the reprocessing of the legacy data which has revealed exciting new potential in the Gulf of Papua. .

“Source and receiver deghosting was applied in the reprocessing which significantly improves the low frequency content. For Laurabada East, this helps with the imaging below the fold belt as that is quite dispersive and attenuative with the seismic source. Similarly, on Laurabada West, there is multiple large carbonate bodies that are highly absorptive which is only penetrated by the low frequency signal.” .

“The legacy processing only applied 2D SRME for the demultiple, whereas the reprocessing has used 3D GSMP/SRME from Western Geco. In the fold belt on Laurabada East this in particular helped with the complex diffracted multiples from the seabed that were contaminating the pre-Tertiary grabens. On Laurabada West there were complex peg leg multiples from the top carbonates which were modelled and subtracted effectively.” .

“The legacy processing only used an isotropic PSTM workflow, whereas the reprocessing used an anisotropic TTI pre-stack depth migration. In Laurabada East, the PSDM workflow allowed for high resolution velocity modelling in the fold belt which improved the pre-Tertiary graben imaging and depthing. In Laurabada West, there was detailed carbonate velocity modelling which combined with the deghosting allowed for much improved resolution on the flanks and base of the carbonate pinnacles” Mr Thorp added. .

The Laurabada West UltracubeTM 3D Reprocessing Survey comprises of ~770km2 whilst the Laurabada East UltracubeTM 3D Reprocessing Survey covers ~1,020 km2. The Laurabada 3D reprocessing project complements Searcher's existing 2D seismic coverage which currently stands at over 80,000 km, offshore Papua New Guinea.

Seismic survey News in Papua-New Guinea >>

Argentina >>  12/11/2018 - Echo Energy, the Latin American focused upstream oil and gas company, provides an update on its planned operational programme across its licences in S...
Oman >>  12/11/2018 - Eni Oman in partnership with Oman Oil Company Exploration and Production has awarded Shearwater GeoServices a seismic survey in Block 52, offshore Oma...

United Kingdom >>  12/11/2018 - Hydraulic fracturing operations at the Preston New Road site are currently paused following a minor seismic event. A number of minor seismic events ...
Brazil >>  12/10/2018 - Spectrum is commencing a large 3D seismic survey in the Potiguar basin offshore the Equatorial Margins of Brazil. This survey comprises 10,700 square ...

Oman >>  12/10/2018 - Following the successful reprocessing of older 2D seismic data, Tethys Oil has launched a new seismic campaign on Block 49. A total of 250 km2 of 3D a...
Ireland >>  11/30/2018 - Providence Resources, the Irish based Oil & Gas Exploration Company, has provided an update on the planned well site survey operations over Standard E...

Related Categories: Formation Evaluation  General  Geological, Geophysical  Geophysical Contractors  Mud Logging  Reservoir Engineering & Recovery Methods  Seismic survey  Well Completion, Logging, Workover 

Related Articles: Formation Evaluation  General  Geological, Geophysical  Geophysical Contractors  Mud Logging  Reservoir Engineering & Recovery Methods  Seismic survey  Well Completion, Logging, Workover 

Papua-New Guinea Oil & Gas 1 >>  2 |

More News

Related Links

Gulf Oil and Gas
Copyright © Universal Solutions All rights reserved. - Terms of Service - Privacy Policy.