ods2006 spe claudey halliburton

8/4/2019 ODS2006 SPE Claudey Halliburton

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New Breed of Reaming Tool Increases Scope ofApplication and Reduces Risks

Eric Claudey

Spe Bergen - 26 th April 2006


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Agenda

Review of Traditional Underreaming andHole opening

The new CUDA-XR Reamer

Cases history


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PDC Hole Enlargement historicalperspective

Hole Enlargement(DHT)

Underreamers Bi-centre Bits Hole Openers

Act/Deact. Underreamers Near Bit Reamers Drill-Out features

CUDA-XR Reamer CUDA Reamer

1980

1990

2000

2005


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PDC Hole Openers Opening capabilities same as pass

through diameter.

Advantages/DisadvantagesNo moving parts

Can be difficult to steer.

Few applications. (mainly opening a pilot hole

to larger diameter)


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Bi-centre bits Opening capabilities +-20%

Advantages/DisadvantagesNormally drilling fast

One piece design

In soft formation, under-gauged hole

More vibrations / Noise

Dropping tendency in tangent sections

Makes life hard for Formation Evaluation

tools due to large hole in front of the FE

tools


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Near Bit Reamer NBR Opening range 1.2 * pilot bit.

Advantages/DisadvantageDesigned especially for steerable motorBHAsDrills and opens holes simultaneouslyDesigned for any flow rate applicationCan be run on any BHAsHydraulically activatedNo lock-open mechanismNo internal dP

Shear-pin activationNuts & BoltsDurability of the cutter armsSeals on pistons

No deactivation mechanism


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Traditional Underreaming Opening capabilities = Unlimited (or body

OD* 2,5)

Advantages / DisadvantagesWell proven technologyActivation / De-activation possible

Nozzles in arms1000psi internal pd for proper functionChallenge to configure in BHAMainly run in a separate reaming run.

8


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CUDA -XR reamer Response tonew technology demand

Application ECD concerns

Lower the ECD and allow for higher pump rates and MW.

Expandable casing, monobore wells Need to deliver opened well bore all the way. Need to be able to open to about 40-50% of tool OD

Casing Drilling Need to be able to open up to 50% more than pilot hole.

RSS as drive system Low vibrations Allow high flowrate Simple and reliable

activations/deactivation system

Durability (High cutting structure density)


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CUDA -XR reamerMajor Design criteria's:

Designed with Rotary Steerable and Rotary BHAs in mind

Close to 0 psi pressure drop across the toolLarge junkslot area around the tool and normal fishing necks

Reliable and simple activation and deactivation system

Very strong and balanced cutting structure

Possible to fish radioactive sources (With shear pin activation system)

Opening range of about 40 - 50%

Internal seals for improved seal life and easy improvements of

temperature ratings.Safety features to make sure no parts can be lost downhole

Animation link


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Cuda-XR ModusSleeping

Activated

Operating open

Deactivated


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Case history #1CUDA XR1200 12 x 17

Oseberg South

First section opened anddrilled 12 x 17 andRSS (August 2005 )

681 M in Shetland Activated and deactivated

by drop ball Very low vibration level


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CUDA XR1200 12 x 17


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Case history #2CUDA XR1200 12 x 13

Statoil Gulltopp November2005

Qualification process design review testing

WORLD RECORD 4661 m opened while drilling 160 hrs drilling 332 hrs

circulation Activation by shear pin Deactivation by drop ball


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CUDA XR1200 12 x 13

Torque peakduringactivation.

Foundshoulder.


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CUDA XR1200 score card 6 sections drilled since introduction in 2004

10 runs (12000+ m, 500+ drilling hrs) 100% hole opened 100% success in activation

80% success in deactivation (2 miss-run)


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ConclusionCUDA XR1200,a reliable hole enlargement tool:

That you can activateReam while drilling

And deactivate

ods2006 spe claudey halliburton

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