Novel High Speed Telemetry System with Measurements Along the String
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Novel High Speed Telemetry System with Measurements Along the String Mitigate Drilling Risk and Improve Drilling Efficiency. SPE 143430 Daan Veeningen, SPE NOV IntelliServ. Talking Points. Introduction of the Broadband Network, addressing deepwater challenges.

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SPE 143430 Daan Veeningen, SPE NOV IntelliServ

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Spe 143430 daan veeningen spe nov intelliserv

Novel High Speed Telemetry System with Measurements Along the String Mitigate Drilling Risk and Improve Drilling Efficiency

SPE 143430

Daan Veeningen, SPE

NOV IntelliServ


Talking points

Talking Points

Introduction of the Broadband Network, addressing deepwater challenges

High speed telemetry to measure and control downhole operations improving drilling efficiency

Measurements all along the string to warn for developing trouble

Cases and conclusions


Deep water challenges

Deep water challenges

IntelliServ Broadband Network

57,600 bits/sec Simultaneous data High bandwidth High definition High Volume Real time

Mud Pulse

10 bits/sec Sequential data

  • Deep, sub-salt reservoirs

  • Narrow Pore-Frac window

  • Wellbore instability

  • Well complexity

  • Data acquisition rate resolution

Continuous bi-directionaldata transfer

Tool actuation

Data transferred in 2-5 sec pulses

vibration

Sonic

Image Logs

Etc, Etc

gammaresistivitypressurevibration


Broadband network components

Broadband Network Components

1) Armored coax cable

2) Induction coils

3) Boosters


Broadband network system

Broadband Network System

Equipment

  • DP

  • HWDP

  • NM DC, DC

  • Jars

  • Reamers

  • Saver subs

  • Crossovers

Telemetry Service

  • Broadband Telemetry

  • Field Specialists

  • Bi-directional tool communication

  • Down-hole tool actuation services

  • Network diagnostics

  • Software displays

  • Inventory management

  • Support from central technology support hub

  • Service Companies:

    • BH, HAL, SLB, WFT

    • Interface Sub

  • IntelliServ

    • Temperature, Annular Pressure, Internal (bore) Pressure

Managed Service

Measurements


Advantage 1 for deep water high speed broadband

1

Advantage #1 for Deep Water: High Speed, Broadband

2

3

Because downhole signals are transmitted and evaluated as time-series measurements, they have to be measured quickly enough to ensure they can be accurately defined.

Vibration Mitigation

Wellbore Imaging

Downhole Tool Control

Nyquist Theorem


Bit bouncing high frequency axial vibration signal definition

1

Bit Bouncing: High-Frequency Axial Vibration Signal Definition

2

3

1 Hz

~40 Hz

Courtesy: NOV Downhole, Blackbox recorded data


Log quality in real time broadband required

1

Log Quality in Real Time: Broadband Required

2

3

  • Improved log quality reduced geological uncertainties

  • Sub surface risks evaluated in real time including capability for time lapse logging

  • Redundant telemetry systems permit continuation

Courtesy: BakerHughes


Downhole tool control high efficiency operations

1

Downhole Tool ControlHigh-Efficiency Operations

2

3

“A +10% in time savings and reduced drilling costs significantly impacted the project economics” IADC/SPE 119570 – Step-Change Improvements with Wired-Pipe Telemetry


Downhole tool control high efficiency operations1

1

Downhole Tool ControlHigh-Efficiency Operations

2

3

With

Mud Pulse

7:00:00 AM

WP DOWNLINK RIBS OFF

ORIENT TESTRAK FOR TESTS

TEST AT 15,235 FEET

TEST AT 15,231 FEET

TEST AT 15,225 FEET

WP DOWNLINK HOLD MODE

<17 min>

Courtesy of Halliburton

Courtesy of Baker Hughes

  • 54 formation pressure tests with the broadband network experienced an average time savings of 8 min per test

  • Improved FPT quality control in real time eliminated the need for wireline MDT


Advantage 2 for deep water measurements beyond at the bit

1

Advantage #2 for Deep Water: Measurements beyond at the bit

2

3

Distributed measurements provide additional insight of what is happening along the miles of pipe and help avoid potentially trouble

Drilling

Completions

Testing

  • Capabilities:

  • Pressure

  • Temperature


Advantage two for deep water measurements beyond just at the bit

1

Advantage Two for Deep Water: Measurements beyond just at the bit

2

3

Pack-Off

Kick Detection

(Large Annulus)

PRESSURE

ANNULAR

GRADIENT

PRESSURE GRADIENT

CHANGE IN AN

INCREASE IN AN

INTERVAL?

INTERVAL

?

Y

Y

BORE, ANNULAR

Y

CUTTING

WELLBORE

Y

PRESSURE DECREASE

PRESSURE INCREASE

IN AN INTERVAL?

BUILD-UP

INFLUX

IN AN INTERVAL?

N

N

N

N

CONTROL INFLUX (SHUT IN

WORK DRILLSTRING, CIRCULATE

OR DYNAMIC WELL KILL)

TO REDUCE PRESSURE GRADIENT

RETURN

OPERATIONS CONTINUE


Along string pressure evaluation

1

Along String Pressure Evaluation

Detecting a Pack-Off in Deepwater

2

3


Hole cleaning optimized

1

Hole Cleaning Optimized

2

3

Deeper

Shallower


Early kick detection and closed loop mpd

1

Early kick detection and Closed Loop MPD

2

3

  • Fully automated system delivers <10 second kick detection response time

  • Holds bottom hole pressure <30 psi window while drilling

  • Holds bottom hole pressure <100 psi window during connections

  • Automatically circulate out kick, maintaining constant bottom hole pressure

Courtesy: BakerHughes, @Balance


Installation of a gravel pack

1

Installation of a Gravel Pack

2

3


Conclusions

Conclusions

  • Broadband Network Enables

    • High Telemetry Speed for Downhole subsurface conditions to be measured and controlled

    • Measurements beyond just at the bit for Early Warning and Reduce Risk

  • Mitigate Drilling Risk and Improve Efficiency

    • Vibration, image logs, QC and commanding tools

    • Hole cleaning optimization, pack off/kick prevention

  • Early Days for Installation of Completions, Well Testing to follow.


Questions

Questions?

Thanks to our Service Partners


Bio daan veeningen

Bio – Daan Veeningen

Daan Veeningen has fourteen years of international oilfield experience. Daan has extensive operational experience in well construction operations in three continents.

Further, Daan developed drilling engineering tools and marketed Schlumberger services with real time capabilities.

At NOV, Daan has been responsible for business development and marketing for the IntelliServ broadband networking and along-string evaluation services for high-definition downhole and sub-surface operations for the last two years.

Daan holds a masters degree in petroleum engineering from the Delft University of Technology and has been awarded numerous patentsfor drilling systems and processes.


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