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Exploration
The state of global gas exploration
“If we look back at the years before the pandemic and the Ukraine invasion, the only countries where we saw a consistent search for gas were the countries around the…
A working petroleum system on purely oceanic crust
*Christian Niño currently works at Petronas and Martin Zubiri works at Pan American Energy. For a long time, exploring for hydrocarbons in the deep waters of the Gulf of Guinea,…
CNOOC makes largest offshore hydrocarbon discovery in special rock formation. What is that about?
Last week, I was struck by a headline published by media outlet OGV. It read: CNOOC makes world largest offshore hydrocarbons discovery in special rock formation. Reading through the article,…
BP shores up gas reserves West Papua, Indonesia
BP reportedly made a significant new offshore gas discovery in the large West Papua Berau PSC, Indonesia, with the Kepe-Kepe-1 sidetrack, according to oil and gas regulator SKK Migas. The…
Development and Production
What is the longest well drilled along hole?
Based on a post on social media, in which we asked our followers to name the well with the highest step-out ratio – the ratio between horizontal distance and vertical…
Oil – and increasingly gas – on steroids
“We went from two to nineteen mudlogging units recently”, said a representative from Geolog at the IPTC Conference in Saudi Arabia this week. “It is obvious that things are picking…
Analysing a hydraulically fractured horizontal core to assess refrac candidates
Is a refrac worth the investment? That is what we investigated in an extensive study. A key piece of data in the study included a horizontal core adjacent to a…
Resources
The vast brushlands of West Texas and New Mexico hold a miracle
Nestled in the vast brushlands of West Texas and New Mexico, the Permian Basin quietly outstrips the oil production of countries like Iraq, Iran, or Canada, a fact that often…
The future lies in low-perm reservoirs – not only in the desert but possibly in deep-water too
We received quite a few comments on our short story about the commencement of tight gas production from the Ghawar field in Saudi Arabia. Thanks to that, there is an…
Lots of activity but limited resource growth
Every year in January, the Norwegian Offshore Directorate – which until the turn of the year was called the Norwegian Petroleum Directorate – summarizes the activities on the Norwegian continental…
Exploration Opportunities (foldouts)
Discover more in Møre, Norway
Figure 2 (left): Overview map of the NVG survey (blue), NVG24 (green) and sparse OBN (black) coverage near the Norwegian coast. Figure 3 (right): Time-structure map of the top acoustic…
Geological understanding based on new data is required to unlock potential in the Vøring Basin
TGS 3D seismic data coverage in the Norwegian Sea. PGS23M02NWS GeoStreamer 3D seismic and location of composite foldout line. Outer Vøring Basin – what is required? To unlock the prospectivity…
From data to discovery: Applying AI in offshore geoscience
Gamma ray log colored by averaged measured depth for 5,000 wells. AI at Scale: Modernising subsurface interpretation with EarthNET A machine learning-powered workflow enabling geoscientists to analyse and interpret large,…
Content Marketing
Speeding up geothermal exploration in Europe
On behalf of the University of Bucharest, the implementation team was formed by Florina Ţuluca, Dumitru Ioane, Lucian Petrescu, Iulian Popa, Lonelia Panea, Ioan Munteanu, Nicolae Cruceru, Mihaela Roca, Mihaela…
Unlocking Gulf energy: The impact of advanced seismic technologies on exploration
Finding treasures beneath the waves: The role of advanced seismic technologies in the Gulf of Mexico The Gulf Of Mexico (GOM) has long been a cornerstone of America’s energy landscape,…
New plays in Southern Santos Basin revealed by large-scale, high quality 3D multi-client seismic
Figure 2: Map showing extent of Santos 3D Sul project in relationship with other TGS 2D and 3D programs. Leveraging integrated workflows and fast track data for prospect evaluation during…
Geothermal
An exciting drilling campaign in exciting geology
Did EBN set a trend? That’s to be seen, but the four-well geothermal drilling campaign the Croatian Hydrocarbon Agency recently embarked on to prove the potential of an equal number…
Coring a geothermal reservoir in oil and gas heartlands
Lower Saxony, the German state that finds itself in the north-western part of the country, has a rich history in drilling and coring. But until recently, activities on that front…
Bacterial life is everywhere in the subsurface
Elsemiek Croese. Photography: Elsemiek Croese private archive. “Let’s put it this way,” says Elsemiek Croese from Microbial Analysis, “one of the key ingredients of life is water. In that light,…
Deep Sea Minerals
Subsurface Storage
Technology
The bit boy has gone
The Canadian oil sector has changed dramatically in a matter of 20 years. Back in the early 2000’s, vertical drilling was very much common good, but these days, you would…
The well listeners
Karol Jewuła. “ I recently gave a talk in Kuala Lumpur,” says geologist and pore pressure specialist Karol Jewuła, “for which I made an overview of drilling-related issues with wells…
How AI helps democratize seismic interpretation
“The times of gurus telling younger staff how to plough through a seismic volume and what to interpret is over,” says Herman van Nieuwoudt from Bluware. Herman started as the…
Geology
How careful core description and detailed biostratigraphic analysis can delineate sub-seismic reservoir zones in a highly mud-prone system
This study was undertaken by PetroStrat in collaboration with Stratum AS (QEMSCAN), Barnwell Parker Geoscience Limited (seismic interpretation) and HM Research Associates (heavy mineral provenance analysis). Together, we have completed…
Heat flow as a basin model calibration? Not really
Many exploration geologists who work in data-lean basins or who do not have access to well data turn to published heat flow data as a calibration for basin models. More…
Geomodelling for CCS, a bridge too far?
Traditionally, geomodels are built in a simplistic fashion, taking into account the inherent degree of uncertainty in the input data. Attempting to accurately depict an unseen geological object, often multiple…
Geophysics
The forgotten value of (seismic) tapes
“I’m probably the only tape machine specialist left in northwest Europe”, says Egil Simones from ET Works when we meet at the EAGE Conference in Oslo this week. Egil is…
Did you know that rocks have memory?
The seismic signature of a sedimentary rock is strongly influenced by the geological history of the rock, e.g., the depositional environment, whether it has experienced tectonic burial and uplift, etc.…
Seeing the whole picture
During the pandemic, Lyme Bay Consulting took the opportunity to download all the Operator-released 3D seismic data in the UKCS to produce a series of Post-Stack Merged Seismic Volumes covering…
G&G Community
A tent and a rig
Looking out of the plane window when approaching Dammam, Saudi Arabia’s oil capital, the darkness of the desert is interrupted by star-shaped lights in places. I wondered what they were…
The team at GEO EXPRO wishes you a great New Year, full of energy!
As many people will have headed back to either their (home) office today – brutally ignoring all of those who have continued working on site regardless of whether it is…
A truly global event focused on prospecting, business transactions, and deal-making for the oil and gas E&P sector
A catalyst for deals to be struck and new ventures to be undertaken, BEOS will bring together Oil and Gas Majors, IOCs, NOCs, Independents, E&P firms and Governments, whilst also…
A can-do mentality required
“It’s funny, says Iain Brown, “I had been an avid reader of the magazine for years when I was asked to take over the editor position from Jane Whaley, but…
Portraits
On drift
When we meet on Teams on a morning in March, F. Javier Hernández- Molina is calling in from his office in Granada, Spain, where he works at the Andalusian Earth…
From scratch
“No data, no problems,” laughs Tanguy Lomme from Epslog when he reminisces on his years at Shell when he worked as a reservoir engineer. As soon as he joined founder…
Turning adversity into opportunity
“I grew up in the state of Perak, north of Kuala Lumpur, in the town of Batu Gajah. Being the oldest of eight children, I felt the responsibility to take…
How do recent geoscience graduates experience the job market?
During panel debates, where industry-stalwarts share their visions on how the energy sector is evolving, it is often said that the job market for geoscientists in the energy sector will…
Company news
Paleogeography and business
“The production of paleogeographic maps is an economically useful exercise for consultancy companies such as ours”, says Andy Horbury from Cambridge Carbonates. His company has been involved in constructing, editing,…
inApril successfully completes first project of the North Sea season
The initial nodes from the company’s rental pool have already seen successful service on one North Sea project and are now being deployed on a second for a different OBN…
Advances in survey design
The traditional model of survey design uses a survey design tool to create geometry which is passed to a different program – often Excel – to estimate cost. Iterating to…
Developments in seismic data processing techniques
Dedicated software programs employ several techniques, including non-linear traveltime tomography, land-specific FWI, bending ray Kirchhoff migration, anisotropic depth imaging, and horizon-consistent velocity modeling, to achieve obtaining accurate earth models. The…
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