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Drilling & Production

Advanced Halliburton drill bit improves durability, keeps efficiency

Halliburton announced the release of Stega efficient layout design, an advanced drill bit that optimizes the placement of back-up cutters to improve bit durability without decreasing drilling efficiency or rate of penetration (ROP).

Traditional back-up cutters on polycrystalline diamond bits have many limitations such as increased heat and wear, poor bit cleaning and reduced ROP. To overcome these challenges, Halliburton designed the Stega bit with offset back-up cutters placed 180 degrees or more from the primary cutter. As a result, the new layout enhances durability with less cutter wear while maximizing drilling efficiency compared to traditional dual row or single row cutting structures.

"The development of Stega provides operators with the latest energy-efficient layout methodologies for targeted applications," said Scott Regimbald, vice president of Drill Bits and Services. "The advantages translate to extended bit life with no loss of ROP to help operators drill longer and faster while reducing costs."

As cutters wear, more engagement area is exposed to rock and this increased area reduces cutting efficiency. A large portion of energy is lost as friction from the increased contact area takes away from the bit's ability to shear rock. Increased friction translates to heat culminating in a vicious cycle of rapidly increasing wear. Stega breaks this cycle by taking advantage of the bottom-hole pattern already created and removing load from the primary cutter before rapid acceleration of wear begins.

An operator in West Texas deployed the Stega bit in a harsh drilling application that historically used traditional non-Stega bit designs. Compared to the best performance of the non-Stega layouts, the Stega bit drilled approximately 40 percent (2,400 feet) further at an ROP that was 19 percent (15 feet) per hour faster. This resulted in valuable rig-time savings.

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Pipelines

TransCanada's Topolobambo project goes into service in Mexico

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Instrumentation, Systems & Automation

Hand-held combustion emissions analyzer

Hand-held combustion emissions analyzer

The E1500 Hand-Held Combustion Emissions Analyzer from E Instruments is a new, rugged unit with the ability to measure CO & O2 from high efficiency & condensing boilers, burners, engines, turbines, kilns, furnaces, incinerators and other industrial combustion processes.  Featuring a new large COLOR display and expanded internal memory, the E1500 lets you easily see and save your sample data without worrying about running out of memory. The E1500 also features pre-calibrated, field replaceable sensors which allow for easy diagnostics and replacement to reduce "down-time" and costly repair charges.

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Vertex Resource acquires Three Star Trucking

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Asset Management

Baker Hughes, SGS agree on joint deployment of corrosion management solution

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Drilling & Production
Industry News

Petroteq to test equipment for non-conventional oil production

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Painted Pony receives encouraging results from Lower Montney test wells

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Terex RT cranes handle desert drill site project without downtime

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Paramount, Strath close sale of Resthaven/Jayar assets for $340 million

Paramount, Strath close sale of Resthaven/Jayar assets for $340 million

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Offshore Technology

Decommissioning Leadership Group meets to set strategy

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Instrumentation, Systems & Automation

Harting introduces Han-Smart modular connectors

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