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Instrumented Surface Sub DOE Project (DE-FC26-03NT41782)

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Downhole Technology, Ltd. Instrumented Surface Sub DOE Project (DE-FC26-03NT41782). Project Objective.

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slide1

Downhole Technology, Ltd.

Instrumented Surface Sub

DOE Project (DE-FC26-03NT41782)

project objective
Project Objective

To refine and field test the Instrumented Surface Sub, and collect critical drilling data during the field tests to begin development of algorithms to process these critical data so penetration rate can be optimize and BHA life can be maximized.

what is instrumented sub
What Is Instrumented Sub
  • Data Collection Device
  • Fits In Drill String Below Top Drive
  • Measures Critical Drilling Parameters
  • Wireless Communications To Computer
  • Enhancement To Drilling Performance
  • Prevents Damage To Drill String & BHA
recorded drilling parameters
Recorded Drilling Parameters
  • String Weight (Direct Measurement)
  • Rotary Torque (Direct Measurement)
  • Rotary Speed
  • String Vibration
    • Tri-axial Accelerometer Package
  • Drill String Surface Pressure
  • Mud Temperature
sub specifications
Sub Specifications

Length

Diameter

Top Connection

Bottom Connection

Power Source

Batter Life

Communications

Transmission Rate

20 in. Shoulder to Shoulder

13.5 in. (Cover Flanges)

7-5/8 API Box

7-5/8 API Pin

Internal Battery

(Life 40 to 48 hours)

Wireless (900 KHz)

38,400 bits/sec

sub specifications con t
Sub Specifications (Con’t)

Max String Weight

Max Torque

Pressure

Temperature Range

Max Vibration

Rotary Speed

0-1,300,000 lbf

0-100,000 ft-lbf

0-8000 psi

32-400 oF

50 g’s

0-200 rpm

what do we want to accomplish
What Do We Want To Accomplish
  • Improve Drilling Data
    • Direct measurement vs inferred
    • Better resolution
  • Additional Data
    • Vibration
    • Trend
  • Present In Meaningful Manner
    • Useful To Driller
    • Expose Obscure Or Unknown Information
    • Automate Changes In Drilling Parameters
what do we need
What Do We Need
  • Top Drive Land Or Offshore Rig
  • Well To Take Data
  • Baker MWD (Optional On First Test)
  • Varying Drilling Conditions
    • Increasing Well Depth
    • Changing Formations
    • Difficult BHA Conditions (e.g. Stick Slip)
  • Space To Setup Computer
what we provide
What We Provide
  • Instrumented Drill Sub
  • Expertise To Oversee Installation
  • Addition Of VSSsm Service To Baker MWD
  • Operator To Monitor & Service System
  • Improved Drilling Data
  • Drill Graph Services
slide12

Noble Corporation

13135 South Dairy Ashford, Suite 800

Sugar Land, Texas 77478

(281) 276-6100

NYSE: NE

www.noblecorp.com

The End

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