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Press Release

Schlumberger Celebrates 20-Year Anniversary of Oilfield Review
HOUSTON, June 1, 2009 - Schlumberger today announced the publication of the 20th anniversary edition of Oilfield Review. This quarterly publication is a sought-after source of state-of-the-art oilfield technology for Schlumberger clients, employees and others interested in the technological advancements taking place within the oil and gas industry.

Its predecessor started in 1950 as an in-house wireline publication called The Technical Review. Its objective was to distribute articles and guidelines on wireline techniques and use to the company’s worldwide technical community—particularly to engineers working in the field. In 1989, the publication evolved into Oilfield Review, which widened the focus to include more oilfield technologies.

The readership of the newly formed Oilfield Review included distribution to Schlumberger clients. The publication, which is distributed worldwide, is printed in English, Spanish, Chinese and Russian. Circulation has grown to approximately 30,000.

“It’s always reassuring for me to see copies of Oilfield Review on clients’ desks, especially when they show me the copies they keep in their bookcases—in some cases, complete sets beginning with the first edition,” said Rod Nelson, vice president of communications, Schlumberger. “People go back and reread past articles, because they give such a good overview of topics. We have also recently started using shorter summaries of the articles on our public web site, which provides us an alternative method for giving our clients immediate access to the information.”

Authors from a wide cross section of Schlumberger clients, research institutes and the world of academia are enlisted to develop the technical articles along with Schlumberger technical experts. Combined contributions from individuals representing several disciplines are sought after to broaden the articles’ perspective of oilfield technology. More than 2,300 authors from hundreds of companies and more than 50 countries have advanced the technical content of Oilfield Review.

Oilfield Review article topics range from subsalt plays and nuclear magnetic resonance to heavy oil and coiled tubing applications. The articles are based on field-proven case studies relating to substantial advances within the industry. On the horizon for future issues, the technical publication plans to address topics such as electromagnetic soundings and petroleum systems modeling.

Mark Andersen, who worked as a research scientist at Amoco for 18 years, has served as the executive editor of Oilfield Review since 2002. Andersen earned his doctorate in physics from Johns Hopkins University. He leads a group of technically savvy editors, all with diversified backgrounds from within the oil and gas industry.

Lisa Stewart, geologist and advisory editor, Matt Varhaug, senior editor, and editors Rick von Flatern, Vladislav Glyancheko, Tony Smithson and Michael Moody combine to present Schlumberger oilfield technology in a manner that is comprehensible to the educated technical readership of Oilfield Review.

For additional information, visit www.SLB.com/oilfieldreview.

About Schlumberger
Schlumberger is the world’s leading supplier of technology, integrated project management and information solutions to customers working in the oil and gas industry worldwide. Employing more than 82,000 people representing over 140 nationalities and working in approximately 80 countries, Schlumberger provides the industry’s widest range of products and services from exploration through production.

Schlumberger Limited has principal offices in Paris, Houston and The Hague and reported consolidated revenues of $27.16 billion in 2008. For more information, visit www.SLB.com.
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For further information, contact:

Susan Ganz
Media Relations Manager
Schlumberger
+1 713 513 2480
sganz1@slb.com

Air Compressor Tips and Tricks

Simply following our air compressor tips can offer you energy efficiency improvements of between 20 to 50 percent. It is very easy to save energy and operating costs on your compressed air system by:

  • Maintaining your air compressor system regularly.
  • Selecting the correct air compressor for your needs.
  • Optimising the size of your air distribution system.
  • Controlling air quality.

Simple Changes To Save You $ Thousands

  • Turn off compressed air equipment when not in use.
  • Reduce air pressure to the minimum required to do the job.
  • Prevent unnecessary compressed air use on drying or cleaning.
  • Educate staff to look out for waste and leaks, and report these immediately.
  • Hot air ducted away from the air compressor intake area can be used for space or water heating.

Low Cost Improvements

  • Regularly check for leaks in all piping, joints, drains, valves, flexible hoses, fittings, and filter and lubricator units. For example, a 6.4mm hole could waste $3,400 per year on an air compressor system operating at 700kPa.
  • Install automatic timers to turn off your air compressor when not in use.
  • Service your air compressor as recommended by its manufacturers.
  • Reduce air temperatures, as the temperature of the air drawn in by your air compressor can significantly affect running costs.
  • 6% of energy can be saved by using cooler air from outside your air compressor room.
  • Shorten air distribution distances or look at moving your air compressor closer to where your compressed air is used.
  • Check all belt drives for tension regularly in belt-driven air compressors. Energy losses due to incorrect tension due to excessive stress on air compressors and motor bearings are common.  

Purchase Wisely

  • Select the air compressor size that runs most efficiently when it is run at ‘full load’.
  • Ensure that your air compressor matches your needs, and do not install an oversized compressor to meet anticipated future demand. Purchasing an additional, appropriately sized air compressor when needed later is usually more economical and efficient.
  • Consider energy efficient accessories to minimise energy losses in compressed air systems such as high efficiency filters and dryers, or choose a compressors with variable outputs.
  • Choose appropriately sized air receivers to act as a buffer between output and demand.
  • Request a power cost calculation or a compressed air audit is conducted.
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