Spotlight: Subsea Systems

Seabed compression in a smaller package

Less than 18 months after pioneering subsea gas compression technology debuted at Statoil’s Aasgard field, the system’s engineers are ready to roll out a second-generation version that provides the same capacity and functionality in a much smaller package. Russell McCulley finds out how they plan to do it.

Crossover appeal

Diversification is helping JDR weather a troubled offshore oil and gas market — and could leave the UK umbilical and cable specialist well positioned for a sector turnaround, as Russell McCulley reports.

Diving sector defies doomsayers

It would be easy to think that diving operations would have become somewhat superfluous, even redundant, in the deepwater era in offshore production. Not so, writes Steve Sasanow, but an ageing workforce and industry slump present challenges.

Inspection before connection

Subsea tie-backs to host platforms are an attractive option in the current offshore cost-cutting mode. A new remotely deployed inspection tool for J-tubes and risers helps ensure that existing infrastructure is up to the task, writes Russell McCulley.

Intervention invention

A new modular subsea well access system makes it possible to carry out work ranging from subsea tree installations to permanent plugging and abandonment operations without the expense of a rig, as Jennifer Pallanich reports.

In their depths

The diving sector relies on the continual development of new technology, from the equipment used by divers themselves to the vessel that provides support, writes Steve Sasanow.

Depth charge

As the subsea industry moves toward more all-electric systems and components, electric ROVs are gaining ground on their hydraulic counterparts. Jennifer Pallanich reports on one company’s electric line-up.

We’re taking Upstream Technology magazine online

Welcome to the new Upstream Technology free-to-access website section. Our goal is to be your main source of oil and gas technology news, views from engineers and scientists on the front lines of research and development, and to provide insights into the new tools and strategies operators are using to address the challenges of exploration and production.


Lesson in the leaves

A deep understanding of materials science makes it possible to design molecules — and coatings for the oil and gas industry — that perform in desired ways, writes Jennifer Pallanich.


Reaping the rewards of replication

When the name of the game in deep-water developments is keeping costs down and bringing in production quickly, one operator focuses on keeping subsea fields as simple as possible, reports Jennifer Pallanich.

Read the latest edition of Upstream Technology


Points of light

Fibre optics can provide lightning-fast internet connections, but when deployed downhole this fibre optic highway can give an operator insight into a reservoir’s behaviour. The capabilities stretch from temperature sensing to seismic mapping and beyond, as Jennifer Pallanich writes.


Fault finding

Earthquakes are mysterious phenomena. For millennia, they happened naturally. But in the last eight years, human activity has induced thousands of earthquakes in the American heartland. Jennifer Pallanich helps clear up some of the confusion surrounding induced and natural earthquakes.


SPOTLIGHT: Life of field


SPOTLIGHT: Gas Technology

Tech Talk

Cooper comes full circle

The career of serial deepwater innovator Phil Cooper took a significant turn when he traded his years in the relative quiet of design and engineering consultancy for a new role in the hurly-burly of offshore contracting. He talks to David Morgan about his reasons for hooking up with ubiquitous deepwater installation contractor Heerema — not least the chance to play with the biggest of big boys’ toys.


Reality bytes

The convergence of 3D design software, gaming engines and mobile technology has changed the way companies look at employee training. Optech4D experts describe to Jennifer Pallanich the digital reality spectrum and what benefits virtual and augmented reality offer the oil and gas industry.


Planning a strategic comeback

It has been down to Irene Waage Basili, chief executive of GC Rieber Shipping, to get her company’s seismic vessels back into the market. She has proved up for the challenge, writes Andrew McBarnet.


Model behaviour

Schlumberger has launched GeoTesting geology-based well test design and interpretation services, which is built in the Petrel E&P software platform.