Kofiau and Cendrawasih Bay Frontier Basin Exploration:  From Joint Studies to Post-Drill Assessment

Noble, R.A.; Teas, P.; Decker, John; McCullagh, Tim; Sebayang, Deddy; Orange, Dan

doi:10.29118/ipa.49.6.ts.16

Cited by 1 publication

(3 citation statements)

References 12 publications

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“…A magmatic arc complex and forearc basin formed along the convergent margin between the Caroline-Pacific Plate and Indo-Australian Plate, likely during Palaeocene. Late Cretaceous to Early Tertiary collision occurred between the magmatic arc complex and Indo-Australian Continent, followed by suture of the arc in the Late Miocene (McAdoo & Haebig, 1999;Noble et al, 2016). The east-west trending mountain ranges of North Papua, New Guinea and Yapen Island reflect this collision.…”

Section: Setting Of the Study Areamentioning

confidence: 95%

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Acoustic And Geochemical Evidences Of Shallow Gas Distribution Offshore Waropen Basin, Papua, Indonesia

Firdaus¹,

Albab²,

Subarsyah³

et al. 2021

BGSM

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Sub-Bottom Profiling (SBP) records and results of geochemical analysis of 12 surficial sediment cores from various water depths collected from the offshore Waropen Basin-Papua are presented. Presence of gas is clearly observed on sub-bottom profiler records. Shallow gas was identified through acoustic response due to gas accumulation and gas escape on sub-bottom profiles. Acoustic evidences of gas accumulations within near surface geology consist of high amplitude reflections and associated acoustic blanking, gas plumes and morphological features like pockmarks. Total organic carbon analysis of 12 surface sediment cores varies between 0.5% to 1.3% which indicate that the sediments have an abundance of organic matters. Gas chromatographic analysis of hydrocarbon composition detected only methane, a biogenic origin of shallow gas. Acoustic and geochemical evidence in the Waropen Basin indicates extensive shallow gas accumulations in the Late Quaternary sediments, some trapped within these deposits and some escape from seabed into the water column which then created a high distribution of pockmarks.

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Section: Setting Of the Study Areamentioning

confidence: 95%

“…The Mamberamo Formation deposited in the fluvial, deltaic and bathyal environments. (McAdoo & Haebig, 1999;Noble et al, 2016).…”

Section: Setting Of the Study Areamentioning

confidence: 99%

See 1 more Smart Citation

Acoustic And Geochemical Evidences Of Shallow Gas Distribution Offshore Waropen Basin, Papua, Indonesia

Firdaus¹,

Albab²,

Subarsyah³

et al. 2021

BGSM

View full text Add to dashboard Cite

show abstract

Kofiau and Cendrawasih Bay Frontier Basin Exploration: From Joint Studies to Post-Drill Assessment

Cited by 1 publication

References 12 publications

Acoustic And Geochemical Evidences Of Shallow Gas Distribution Offshore Waropen Basin, Papua, Indonesia

Acoustic And Geochemical Evidences Of Shallow Gas Distribution Offshore Waropen Basin, Papua, Indonesia

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