DRILLTRONICS DRILLING PROCESS AUTOMATION - STATFJORD C · drilltronics drilling process automation...
Transcript of DRILLTRONICS DRILLING PROCESS AUTOMATION - STATFJORD C · drilltronics drilling process automation...
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DRILLTRONICS DRILLING PROCESS AUTOMATION -STATFJORD C
RONNY BERGERUDOPERATION MANAGER DRILLTRONICS AUGUST 2016
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3/30/2016 / 2 / Copyright © 2016 Sekal AS. All rights reserved.
Copyright © 2016 Sekal AS. All rights reserved.DrillScene, DrillTronics, and Sekal are registered trademarks of Sekal AS. All other trademarks are the ownership of their respective companies.
No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, to anyone, for any purpose, without the express written permission from Sekal AS.
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What is DrillTronics?
/ DrillTronics is- An extension of the Drilling Control
System (DCS) to ASSIST the Driller- Providing safety envelopes, safety
triggers and automated functions
Driller can decide to override at any time
/ It is not- It is not a control system (in the
sense of controlling one or several parameters)
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Sensordata
PPPPPPPPPPPPPP
PP
PP P
P PP
P
MathematicalmodelsLimits &
calculated data
P
Sensordata
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Real-time Safeguarding
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REAL-TIME SAFEGUARDING
SURGING TORQUE
SETDOWN WEIGHT
PUMP PRESSURE
PUMP RATE
SWABBING
PUMP ACCELERATION
/ Automatic pump start/stop/ Automatic friction test/ Automatic reciprocation/ Pack-off prevention/ Protection while tripping and
reaming
OVERPULL WEIGHT
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Statfjord C - Automatic friction test
-2,000
-1,000
0,000
1,000
2,000
3,000
4,000
5,000
00.00 00.43 01.26 02.10 02.53
#1 #2 #3 #4 #5 #6 #7 #8 #10
#11 #12 #13 #14 #15 #17 #18 #19
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Statfjord C - Manual friction tests
-2,000
-1,000
0,000
1,000
2,000
3,000
4,000
5,000
00.00 00.43 01.26 02.10 02.53
#20 #21 #22 #23 #24 #25 #26
#27 #29 #30 #31 #32 #33
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3/30/2016 / 8 / Copyright © 2016 Sekal AS. All rights reserved.
10.35.05 10.35.10 10.35.15 10.35.20 10.35.25 10.35.30 10.35.35 10.35.40
High SPP Emergency Flowrate Pack offremoved
Safe Flowrate
Pressure control AUTOMATIC PACK-OFF PREVENTION
SPPPump Rate
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SPPPump Rate
10.35.05 10.35.10 10.35.15 10.35.20 10.35.25 10.35.30 10.35.35 10.35.40
Possible pack-off
Automatic Ramping pumps
AutomaticBreaking Gel
Automatic Pump stop
Pressure control AUTOMATIC PUMP STARTUP
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Feedback loop protects wellbore and ensures well objective is achieved
/ Pack-off prevention function protects wellbore
/ DrillTronics detects pack-off 7 minutes before driller reacted and took action
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17:18
17:20
17:22
17:24
Tim
e
Bit trq. (m.kN) Stick slip (rpm) ROP (m/h) Flow Rate (l/min) SPP (bar)
Pack-off detected by DrillTronics
Driller shuts down mud pump
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Statfjord C – October 2014
/ First well - Several examples of increased efficiency, consistency in operations - Safeguarded well against human mistakes
/ Drillers especially liked the automated functions and the ability to measure consistency and improvement in connection time and tripping speeds
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/ Longest lateral well ever drilled on Statfjord C, 8400m, 12 1/4” section
Statfjord C – July 2016
CONTROL TO PERFORM
ANALYZE TO ADJUST
SIMULATE TO OPTIMIZE
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Learnings after seven wells
TECHNICAL / Excessive testing prior to use – certified in
well simulator
/ Changes and upgrades to systems are limited after installation
/ New concept challenging old systems –processes and procedures
/ Lack of standard for updating & reporting data changes
OPERATIONAL / The importance of training
/ Focus from equipment failure to examining wellbore condition
/ Awareness throughout the drilling organization creates good communication
/ Expectations need to be set with all parties –communication
/ Align processes to avoid imposing too many changes in the operation and in the team
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Statfjord C – DrillTronics on all wells
/ All teams performs equally as good as the best driller/ Consistently amongst Statoil top performers
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MAKES AUTOMATIC DRILLING POSSIBLE
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