WorldOil

Advanced and emerging drillstring technologies overcome operational challenges

An integrated approach is needed for successful exploration.New materials and designs are expected to increase depth capability for continued deep drilling advancement in the US and throughout the world.

Curmudgeonly comments

Estimating Sw with a volume measurement

Using the latest approach to saturation evaluation, recent field examples have shown more hydrocarbons than indicated by resistivity or pressure gradient methods.

US mid-continent operator tests deep Oklahoma potential

In a bid to re-open the Devonian Hunton formation, operator GHK used customized tools to re-enter an ultra-deep gas discovery and finish it as an HPHT completion.

Making the business case for gender diversity

Beyond being an issue of ethics, evidence shows that an effort to achieve gender diversity, and even broader diversity, is a smart business practice.

Management of geologic risk, uncertainty defines accurate horizontal well placement

Planning for, and solving, geological challenges before drilling a horizontal well can yield increased reserves recovery and an enhanced return on investment.

Microbial enhanced oil recovery techniques improve production

Bacteria may be valuable in a cost-effective, environmentally benign EOR method that extends average well life without increasing lifting costs excessively.

Produced Water Report: Do nanofibers improve filter performance?

Coalescing filters separate small liquid droplets from gas streams or from another liquid phase. Comprehensive modeling has yielded an optimum answer.

Editorial Comment

The arrogance of global warming

Drilling advances

It takes a special type of person to be a driller

International Politics

Data are confirming the impact of high oil and gas prices

What's new in exploration

Marine mammal regulation for seismic; Strange hydrocarbon microbes

What's new in production

Heavy oil recovery methods

Companies in the news

Industry at a glance

World oil supply fell 400,000 bpd in August to 85.8 million bpd

New products

New product and service offerings from company press releases.

People in industry

World of Oil

International news in the oil and gas industry.

Petroleum Technology Digest: Affordable software simplifies operations, improves productivity for independent

A Kansas independent operator used productivity software to tie together its operational aspects, including projects, work days and strategies. In early implementation, the software paid for itself.

Record number of newbuilds joins the rig fleet

Thanks to high oil and gas prices, most rig fleet categories and regions have shown growth. Many new units and previously idle rigs have been added to the global fleet in the last year.