Woodside pushes total section depth to 6,250 ft using RMR, casing while drilling

Posted on 10 January 2012

Woodside Petroleum recently reached a total section depth of 6,250 ft on the Tidepole East-1 exploration well offshore Western Australia with the help of AGR’s riserless mud recovery (RMR) technology.

Woodside Petroleum drilled a total section depth of 6,250 ft on the Tidepole East-1 exploration well offshore Western Australia using AGR’s riserless mud recovery technology, which recently passed the 500-well landmark.

It was the first time that Woodside had used the casing while drilling (CWD) method on one of its wells, and the company believes the depth reached sets a world record for the technique. RMR enabled Woodside to use the type of drilling mud needed to maximize the wellbore smearing effect that CWD provides, which helps keep the wellbore stable.

The system allows top holes to be drilled using weighted mud, with fluid and cuttings returned to the rig and with no discharge. It is also able to supply the low pump rates and good hole-cleaning capability required to drill efficiently despite the relatively narrow annulus that was a feature of this project. There were no losses to the formation during that stage.

Standard internal or external wellhead adapters could not be used on this project for the RMR’s suction module (SMO) without extensive modification to the permanent guide base, or without causing difficulties when it came to landing the high-pressure wellhead on the low-pressure wellhead later in the operation.

AGR provided a solution involving an internal adapter being devised that could be split. This meant that the casing could be drilled down with the SMO in place.

The operation went smoothly, achieving a rate of penetration of approximately 197 ft/hr.

“This would have been impressive even with conventional drilling. To be able to drill these kinds of wells and others in a quick, simple way like this can potentially create great savings for operators,” said Bernt Eikemo, general manager of AGR’s Enhanced Drilling Solutions division in the Asia Pacific.

RMR is a trademark of AGR.

Leave a Reply

*

FEATURED MICROSITES


Recent Drilling News

  • 30 March 2015

    National Petroleum Council: US can safely tap Arctic resources to secure energy needs

    Prudently developing US Arctic oil and natural gas resources would enhance America’s position as a global leader in energy production for the next 35 years...

  • 30 March 2015

    Joint safety improvement plan aligns HSE objectives, “language” for Shell, Halliburton

    Speaking at a joint presentation with Halliburton at the 2015 IADC HSE&T Asia Pacific Conference in Kuala Lumpur on 12 March, Alain Moonen...

  • 27 March 2015

    Gravity-deployed carbon composite cable completes first commercial deployment offshore Norway

    Ziebel, a Stavanger-based provider of specialist well intervention services for the oil and gas industry, announced that its Z-Line gravity-deployed...

  • 27 March 2015

    Petronas’ INSTEP training institute plans improvements for integrated, experiential learning

    Institut Teknologi PETRONAS (INSTEP) takes realism seriously when it comes to experiential learning – seriously enough to be planning...

  • 26 March 2015

    Wood Mackenzie: Falling costs to soften blow of slashed exploration budgets

    Exploration budget cuts in 2015 will average 30%, but that will be matched by an approximately equal fall in exploration costs...

  • Read more news