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Exploration
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,…
Hydrocarbon shows don’t necessarily mean a significant discovery
“MCF Energy Announces Significant Gas Discovery in Austria“, is the headline of a press release issued a few days ago by Canadian player MCF Energy. That sounds like exciting news…
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)
Why the conjugate margin in Uruguay and Southern Brazil may have even more to offer than the Orange Basin in Namibia
Gondwanan break-up-basins and their multiple source rocks The advantage of Namibia’s conjugate margin in Uruguay and Southern Brazil is likely to be the sand and clay deposited by the Rio…
The Big Buzz of Buzzard II
Four 3D seismic surveys comprising the “Big Buzz” dataset. Buzzard II: the sequel How about looking for another Buzzard field, next to the one that was found over 20 years…
Santos Basin, Brazil: Understanding the CO₂ exploration risk with ultra-deep seismic
Location of pre-salt blocks in the Santos Basin, the Nebula-C polygon and exploration well results. Santos Basin: New seismic data helps de-risk CO₂ contamination for pre-salt exploration CGG’s latest imaging technology…
Content Marketing
Rejuvenating legacy seismic for screening carbon storage sites in the Gulf of Mexico
A major challenge in the US Gulf of Mexico is transforming disparate public datasets into a quality-controlled database. CGG has successfully created and used a database for its Storage Play…
Advanced digital solutions help upstream oil & gas companies increase productivity and profitability
Today’s energy industry faces the unprecedented challenge of balancing energy security, affordability and environmental sustainability. As hydrocarbons are expected to remain major components of global energy demand for the foreseeable…
Advancing Ocean Bottom Node surveys through autonomy
In hydrocarbon exploration, innovation is essential for improving efficiency and sustainability, particularly in node operations. By incorporating Autonomous Underwater Vehicles (AUV) and utilizing the latest machine learning advancements, ocean bottom…
Geothermal
A puncture in a geothermal seal
More than fifteen years ago, Delft University of Technology (TU Delft) was one of the first institutions in the Netherlands to come up with the idea to warm their premises…
Shallow geothermal energy production may soon be more important than deep geothermal energy production in the Netherlands
It is a development that is not often talked about or highlighted in the media, but data on subsurface energy production using water as a carrier clearly shows how important…
How to explain the low energy output of one of the UK’s flagship geothermal projects?
In September last year, the UK Government announced a list of renewable energy projects that qualify for a minimum price guarantee for the energy delivered to the grid. Geothermal projects…
Deep Sea Minerals
Finding deep sea minerals with oil and gas technology
“With conventional exploration for oil and gas, electromagnetic measurements (EM) are used to map resistivity in prospects – hydrocarbons are more resistive than brines. When we are looking for minerals,…
Norway opens for seabed mineral activities
The final step in a years-long process was made in the Norwegian Parliament on January 9th, 2024. The four largest political parties, representing a strong majority, voted to open an…
What moves a grain?
Plume dispersion is not solely a matter of distance from the mine site, physical processeses are also important”, said Thomas Peacock, professor at Massachusetts Institute of Technology (MIT) at the…
Subsurface Storage
Wind and solar energy – temporarily stored in a salt cavern
One of the major challenges for the energy transition is the storage of excess energy that can be used at times when the wind does not blow or the sun…
The race for pressure space
Another pressure plot without values on the Y-axis! That’s what I thought when watching Eirik Jenssen’s presentation at the Dig X Conference in Oslo yesterday. Eirik works as a Reservoir…
“It is important to embrace what matters in other subsurface realms”
“Having worked in oil and gas for years, I was convinced I knew how to drill a well”, Rodney Garrard says. “Then I moved to Switzerland to join NAGRA, the…
Technology
“In this case, we’d rather find the smallest prospect”
In the continued discussion around the poor state of exploration drilling in the UK versus all those wells that are being drilled in Norwegian waters, it is so easy to…
“In 10 years, nobody would risk installing a subsea well without fibre optic sensing”
It is corrosion resistant, has a long lifetime, no electronics are required downhole, and the “cable” is only a quarter of a millimeter thick. Fibre optic sensing technology has a…
Deciphering the wealth of data that come from fibre optic sensing
It is corrosion resistant, has a long lifetime, no electronics are required downhole, and the “cable” is only a quarter of a millimeter thick. Fibre optic sensing technology has a…
Geology
“We should have looked at that regional seismic line with more care before signing off on a plan for drilling”
We, geologists, have the primacy of observation of rocks dinned into us during our earliest work in the field, with that message then reinforced by later events in our lives.…
Bouma and Tybalt
The Bouma sequence, proposed by Arnold Bouma, has been a cornerstone in the interpretation of turbidites and high-density sediment currents since its publication in 1962. The Bouma sequence is a…
Can a seal fail?
A seal is a rock that has a higher capillary entry pressure relative to other adjacent rocks. The higher the contrast, the greater the hydrocarbon column it can hold. The…
Geophysics
Seismic velocity – A strong identifier of gas prospects
P-wave velocity (Vp) is an essential parameter for constructing seismic velocity models for geophysical exploration data, and porosity is the single most important factor affecting it, along with the type of…
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
“Rigs are fantastic places for R&D”
“I have always wanted to have one foot in the field and one foot in the lab, to better solve practical problems in the oilfield”, says Guy Wheater on a…
Exploring the many facets of Africa’s geology on the back of world events
“You are not going to play around here for a month and do nothing”, said Keryn’s father when she returned home to Oranjemund (Namibia) from High School for the summer…
Embracing change
“My parents approached my upbringing in different ways”, says Hayet when we met up on Teams to do the first part of this interview. “My father, an accountant, is curious…
Tractors and Technology
“Remember, oil is a product of nature”, says César Patiño when we meet on Teams in April. In his role as a delegate for the International Energy Agency Technology Collaboration…
Company news
Advancing Ocean Bottom Node surveys through autonomy
In hydrocarbon exploration, innovation is essential for improving efficiency and sustainability, particularly in node operations. By incorporating Autonomous Underwater Vehicles (AUV) and utilizing the latest machine learning advancements, ocean bottom…
Shifts in the seismic acquisition space
“In the past, we as a provider of OBN and streamer technology would mostly liaise with seismic acquisition companies; our exposure to oil companies was very limited,” says Gaetan Mellier,…
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…
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