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Study simulates kick responses during MPD

Posted on 16 March 2012 in 2012, Innovating While Drilling, March/April

According to IADC, managed pressure drilling is defined as “an adaptive drilling process used to precisely control the annular pressure profile throughout the wellbore.”…

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Tubular fracturing: Pinpointing the cause

Posted on 16 March 2012 in 2012, Innovating While Drilling, March/April

Brittle fracture of oilfield tubular components can occur due to the material having low fracture toughness – such material often presents low Charpy V-notch impact energy values…

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Reservoir drives choice of RSS vs mud motors

Posted on 16 March 2012 in 2012, Innovating While Drilling, March/April

The ratio of directionally drilled wells to vertically placed wells is increasing. Access to progressively harder to reach reserves is driving more complex well geometries…

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The ABC’s of RFID: physics, oilfield usage

Posted on 16 March 2012 in 2012, Innovating While Drilling, March/April

Non-military application of RFID gained momentum in the last 20 to 30 years as the availability of small, low-cost semiconductors (chips) for the tags became possible…

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Wired pipe delineates safer drilling margins

Posted on 16 March 2012 in 2012, Innovating While Drilling, March/April

In the post-Macondo world, government agencies have promulgated significant new safety standards to ensure the safety of workers, environment and assets…

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Rig design shift would put MPD at the ready

Posted on 16 March 2012 in 2012, Innovating While Drilling, March/April

The rocks being drilled today demand more than a better set of tools; they require a different approach to well construction. That change is occurring in the form of MPD…

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Wirelines

Posted on 15 March 2012 in 2012, IADC: Global Leadership, Global Challenges, March/April

The International Association of Oil & Gas Producers (OGP) has asked the European Commission to look to legislation in the form of a directive that would allow member states to adjust to local circumstances and align with existing regulatory frameworks…

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Niobrara wells prove BHA for coiled tubing

Posted on 15 March 2012 in 2012, Innovating While Drilling, March/April

A recent five-well drilling program in the Niobrara formation along the Colorado-Kansas border has demonstrated a new bottomhole assembly (BHA) for coiled-tubing drilling…

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Riser failure study IDs well control weak links

Posted on 15 March 2012 in 2012, March/April, The Offshore Frontier

A rig is drilling in heavy seas and the station-keeping system fails. The rig starts to drift. The riser emergency disconnect sequence is initiated, but due to a malfunction…

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Real-time mapping keeps well in reservoir

Posted on 15 March 2012 in 2012, March/April, The Offshore Frontier

An operator planned to drill a horizontal production well in a field offshore Brazil where surface seismic reflection data indicated the target sand reservoirs…

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