Drilling systems automation is the real-time reliance on digital technology in creating a wellbore. It encompasses downhole tools and systems, surface drilling equipment, remote monitoring and the use of models and simulations while drilling. While its scope is large, its potential benefits are impressive, among them: fewer workers exposed to rig-floor hazards, the ability to realize repeatable performance drilling, and lower drilling risk. While drilling systems automation includes new drilling technology, it is most importantly a collaborative infrastructure for performance drilling. In 2008, a small group of engineers and scientists attending an SPE conference noted that automation was becoming a key topic in drilling and they formed a technical section to investigate it further. By 2015, the group reached a membership of sixteen hundred as the technology rapidly gaining acceptance. Why so much interest? The benefits and promises of an automated approach to drilling address the safety and fundamental economics of drilling. What will it take? Among the answers are an open collaborative digital environment at the wellsite, an openness of mind to digital technologies, and modified or new business practices. What are the barriers? The primary barrier is a lack of understanding and a fear of automation. When will it happen? It is happening now. Digital technologies are transforming the infrastructure of the drilling industry. Drilling systems automation uses this infrastructure to deliver safety and performance, and address cost.
Production Optimization using nodal analysis. The nodal systems analysis approach is a very flexible method
that can be used to improve the performance of many well
systems. The nodal systems analysis approach may be used to analyze
many producing oil and gas well problems. The procedure can
be applied to both flowing and artificial
Introduction of Directional Drilling
By Syamsu Setiabudi
• Reference and Coordinates SYSTEM
• Types AND Calculation of DIRECTIONAL Well Trajectories
• Directional SURVEY & TOOLS
• DIRECTIONAL DRILLING OPERATION
• BHA BASIC DESIGN & APPLICATION
Production Optimization using nodal analysis. The nodal systems analysis approach is a very flexible method
that can be used to improve the performance of many well
systems. The nodal systems analysis approach may be used to analyze
many producing oil and gas well problems. The procedure can
be applied to both flowing and artificial
Introduction of Directional Drilling
By Syamsu Setiabudi
• Reference and Coordinates SYSTEM
• Types AND Calculation of DIRECTIONAL Well Trajectories
• Directional SURVEY & TOOLS
• DIRECTIONAL DRILLING OPERATION
• BHA BASIC DESIGN & APPLICATION
The objective of this project was to identify various methods for well test in horizontal wells. Well test analysis in horizontal wells is applied to find the reservoir parameters like permeability and skin factor and the result from the chosen methods will be compared to the result of some famous software like Kappa Saphir, PanSystem, etc which are used in oil and gas industries.
The file discuss many topics of well logging
01 Introduction
02 Drilling fluid invasion
03 Resistivity & ARCHIE Equations
04 SP
05 resistivity log
06 gamma ray log
07 sonic log
08 density log
09 neutron log
10 litho density
11 tdt
12 plt
Abnormal pressure Zones
caliper log
Notes on shale and clay mineral
production engineering 2 topic.
which includes the production logging tools, its application, categories of application and also some uses of the log with example in the practical life and physics.
Skin factor is a dimensionless parameter that quantifies the formation damage around the wellbore. it also can be negative (which indicates improvement in flow) OR positive (which means formation damage exists). Positive skin can lead to severe well production issues and thus reducing the well revenue
The fourth presentation of a series of presentations on Operations Geology. Very basic, just to introduce beginners to operations geology. I hope the end users will find this and the following presentations very helpful.
Drilling systems automation is the real-time reliance on digital technology in creating a wellbore. It encompasses downhole tools and systems, surface drilling equipment, remote monitoring and the use of models and simulations while drilling. While its scope is large, its potential benefits are impressive, among them: fewer workers exposed to rig-floor hazards, the ability to realize repeatable performance drilling, and lower drilling risk. While drilling systems automation includes new drilling technology, it is most importantly a collaborative infrastructure for performance drilling. In 2008, a small group of engineers and scientists attending an SPE conference noted that automation was becoming a key topic in drilling and they formed a technical section to investigate it further. By 2015, the group reached a membership of sixteen hundred as the technology rapidly gaining acceptance. Why so much interest? The benefits and promises of an automated approach to drilling address the safety and fundamental economics of drilling. What will it take? Among the answers are an open collaborative digital environment at the wellsite, an openness of mind to digital technologies, and modified or new business practices. What are the barriers? The primary barrier is a lack of understanding and a fear of automation. When will it happen? It is happening now. Digital technologies are transforming the infrastructure of the drilling industry. Drilling systems automation uses this infrastructure to deliver safety and performance, and address cost.
The objective of this project was to identify various methods for well test in horizontal wells. Well test analysis in horizontal wells is applied to find the reservoir parameters like permeability and skin factor and the result from the chosen methods will be compared to the result of some famous software like Kappa Saphir, PanSystem, etc which are used in oil and gas industries.
The file discuss many topics of well logging
01 Introduction
02 Drilling fluid invasion
03 Resistivity & ARCHIE Equations
04 SP
05 resistivity log
06 gamma ray log
07 sonic log
08 density log
09 neutron log
10 litho density
11 tdt
12 plt
Abnormal pressure Zones
caliper log
Notes on shale and clay mineral
production engineering 2 topic.
which includes the production logging tools, its application, categories of application and also some uses of the log with example in the practical life and physics.
Skin factor is a dimensionless parameter that quantifies the formation damage around the wellbore. it also can be negative (which indicates improvement in flow) OR positive (which means formation damage exists). Positive skin can lead to severe well production issues and thus reducing the well revenue
The fourth presentation of a series of presentations on Operations Geology. Very basic, just to introduce beginners to operations geology. I hope the end users will find this and the following presentations very helpful.
Drilling systems automation is the real-time reliance on digital technology in creating a wellbore. It encompasses downhole tools and systems, surface drilling equipment, remote monitoring and the use of models and simulations while drilling. While its scope is large, its potential benefits are impressive, among them: fewer workers exposed to rig-floor hazards, the ability to realize repeatable performance drilling, and lower drilling risk. While drilling systems automation includes new drilling technology, it is most importantly a collaborative infrastructure for performance drilling. In 2008, a small group of engineers and scientists attending an SPE conference noted that automation was becoming a key topic in drilling and they formed a technical section to investigate it further. By 2015, the group reached a membership of sixteen hundred as the technology rapidly gaining acceptance. Why so much interest? The benefits and promises of an automated approach to drilling address the safety and fundamental economics of drilling. What will it take? Among the answers are an open collaborative digital environment at the wellsite, an openness of mind to digital technologies, and modified or new business practices. What are the barriers? The primary barrier is a lack of understanding and a fear of automation. When will it happen? It is happening now. Digital technologies are transforming the infrastructure of the drilling industry. Drilling systems automation uses this infrastructure to deliver safety and performance, and address cost.
David Henthorn [Rose-Hulman Institute of Technology] | Illuminating the Dark ...InfluxData
Critical infrastructure, such as manufacturing facilities, power plants, dams, and chemical plants, has long experienced a phenomenon known as dark data – crucial information is locked away in disparate and proprietary systems. At Rose-Hulman Institute of Technology, we are teaching students to unlock this data with the help of tools such as Telegraf and InfluxDB to better make informed decisions. In addition, these tools allow our students to investigate best practices in data handling and critical infrastructure cybersecurity.
Role of Connectivity - IoT - Cloud in Industry 4.0Gautam Ahuja
The role of Connectivity, IoT & Cloud in Industry 4.0.
This was presented to professionals from the Manufacturing & Process industries at the CII meet on 10th October 2018@ Lonavala.
Deterministic and high throughput data processing for CubeSatsPablo Ghiglino
This presentation shows how Klepsydra (www.klepsydra.com) can increase up to 20% data processing in Space on-board computers with limited resources, like those for CubeSats. Not only that, Klepsydra can also substantially increase determinism for Space applications.
How komatsu is driving operational efficiencies using io t and machine learni...Cloudera, Inc.
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Organizations are using multiple IaaS and SaaS providers today, yet traditional ITOps processes and tools are straining to cope with a vast new scope of challenges and risks. Recent research by Enterprise Management Associates (EMA) shows that 74% of enterprise network teams had incumbent network monitoring tools failing to address cloud requirements. As IT business leaders responsible for delivering services in this new ecosystem, how do you equip yourself with the right visibility?
Shamus McGillicuddy, Research Director for EMA’s network management practice, and Archana Kesavan, Director of Product Marketing at ThousandEyes dive deep into the challenges of multi-cloud and how to rethink your monitoring strategy and operational delivery processes.
Uncover:
Five common IT operational challenges of multi-cloud identified in recent EMA research
The risks of not evolving ITOps for a managed cloud environment
Four monitoring best practices for a cloud-centric IT Operation
Visualizing Your Network Health - Know your NetworkDellNMS
An old adage states that you cannot manage what you don’t know. Do you know what devices are on your network, where they are located, how they are configured, what they are connected to, and how they are affected by changes and failures?
Today’s network infrastructure is becoming more and more complex, while demands on the Network Administrator to ensure network availability and performance are higher than ever. Business critical systems depend upon you managing your entire network infrastructure and delivering high-quality service 24/7, 365 days a year. So how do you keep the pace?
Learn how real-time visibility into your entire network infrastructure provides the power to manage your assets with greater control.
PDO Predictive Analytics Share for the Annual Research Forum 2015Faris Al-Kharusi
The Research Council of Oman's Annual Research Forum invited the Real-Time Operations Team of PDO to speak about the progress so far and emerging trends. Author: Faris Al-Kharusi.
This deck has been reviewed by PDO for public domain share however all rights are reserved by the organization.
Using InfluxDB for Full Observability of a SaaS Platform by Aleksandr Tavgen,...InfluxData
Aleksandr Tavgen from Playtech, the world’s largest online gambling software supplier, will share how they are using InfluxDB 2.0, Flux, and the OpenTracingAPI to gain full observability of their platform. In addition, he will share how InfluxDB has served as the glue to cope with multiple sets of time series data, especially in the case of understanding online user activity — a use case that is normally difficult without the math functions now available with Flux.
Stephen Cantrell, kdb+ Developer at Kx Systems “Kdb+: How Wall Street Tech c...Dataconomy Media
Stephen Cantrell, kdb+ Developer at Kx Systems
“Kdb+: How Wall Street Tech can Speed up the World"
You can see some additional notes here:
https://github.com/cantrells/berlin_kdb_demo?files=1
Using Time Series for Full Observability of a SaaS PlatformDevOps.com
Aleksandr Tavgen from Playtech, the world’s largest online gambling software supplier, will share how they are using InfluxDB 2.0, Flux, and the OpenTracingAPI to gain full observability of their platform. In addition, he will share how InfluxDB has served as the glue to cope with multiple sets of time series data.
It covers general problem of creating monitoring and observability without killing your Ops motivation team with False Positives and unexplained alerts.
Problems on this side, pitfalls, anti-patterns, and how to make it right.
How to manage a monitoring zoo. Spaghettification of dashboards. Why Uber needs 9 billion metrics (¯\_(ツ)_/¯) and why this is antipattern. Metrics as a stream of data. We talk about new Flux language from InfluxDb. A bit of time series analysis and defining of pipelines in Flux for metrics data. Drunkyard walk on your metrics or why to measure a randomness.
Similar to Automation of the Drilling System: What has been done, what is being done, and why it is important (20)
Slide deck used during the SPE Live broadcast on 19 August 2020 with guest Doug Peacock, 2010-11 SPE Distinguished Lecturer and currently a Technical Director for GaffneyCline.
WATCH VIDEO: https://youtu.be/ykJhFkNUXqc
TRAINING COURSE: http://go.spe.org/peacockSPELIVE
The unitization process has evolved over the years and is now well established throughout the world with many countries having legislation for unitization.
Although there are generic agreements, each unitization agreement is unique and requires a wide range of issues to be considered.
Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
Vaccine management system project report documentation..pdfKamal Acharya
The Division of Vaccine and Immunization is facing increasing difficulty monitoring vaccines and other commodities distribution once they have been distributed from the national stores. With the introduction of new vaccines, more challenges have been anticipated with this additions posing serious threat to the already over strained vaccine supply chain system in Kenya.
TECHNICAL TRAINING MANUAL GENERAL FAMILIARIZATION COURSEDuvanRamosGarzon1
AIRCRAFT GENERAL
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The A318, A319, A320 and A321 are twin-engine subsonic medium range aircraft.
The family offers a choice of engines
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
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Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
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Author: Robbie Edward Sayers
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(C) 2024 Robbie E. Sayers
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CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
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An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
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Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
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Top 10 Oil and Gas Projects in Saudi Arabia 2024.pdf
Automation of the Drilling System: What has been done, what is being done, and why it is important
1. Primary funding is provided by
The SPE Foundation through member donations
and a contribution from Offshore Europe
The Society is grateful to those companies that allow their
professionals to serve as lecturers
Additional support provided by AIME
Society of Petroleum Engineers
Distinguished Lecturer Program
www.spe.org/dl
2. Society of Petroleum Engineers
Distinguished Lecturer Program
www.spe.org/dl
2
John D. Macpherson
Automation of the Drilling System: What has
been done, what is being done, and why it is
important
3. Presentation Outline
• Definitions and background
• The drivers for automation
• Technical and Business Challenges
• SPE Drilling Systems Automation TS
• A brief look into automation systems
• Conclusions
• Q&A
3
4. Drilling Systems Automation (DSA)
• Systems Automation: Involves the control of the
drilling process by automatic means, ultimately
reducing human intervention to a minimum.
• Scope: Includes all components downhole, on
surface and remote to the drilling rig that are used in
real-time to drill the wellbore.
• Digital Backbone: Employs control systems and
information technologies
4
5. The process of creating a borehole with systems
and sub-systems that are computer controlled,
leading to reduced human intervention
What is Drilling Systems
Automation?
5
6. Levels Monitor Advise Select/Decide Implement
Manual Control H H H H
Action Support H C H H H C
Batch Processing H C H H C
Shared Control H C H C H H C
Decision Support H C H C H C
Blended Decisions H C H C H C C
Rigid System H C C H C
Auto Decisions H C H C C C
Supervisory Ctrl H C C C C
Full Automation C C C C
1
Levels of Computerization
Functions
H – Human C - Computer
Ref: Endsley and Kaber, 1999,
Ergonomics, Vol. 42
6
2
3
4
5
6
7
8
9
10
7. Control Systems on Offshore Rigs
Dynamic
Positioning
Power
ManagementThruster
Control
BOP Control
Hydraulic
Systems
Drillship: Pacific Drilling, Pacific Santa Ana
Active Heave
Drawworks
7
8. Monitor
L2
• Wellsite
Monitoring
Systems
• Remote
Data
Centers
• Smart
Alarms
Advise
L3-L4
• Drilling
Dynamics
Diagnostic
Systems
• Directional
Drilling
Advisors
Control
L5-L7
• Auto-Driller
• Stick-Slip
Surface
Control
• MPD
Control
Systems
Autonomous
L8-L10
• MWD
Rotary
Steerable
Systems
• LWD
Formation
Samplers
Drilling Systems Automation
The current level of automation in Drilling
Surface
Digital
Networks
MWD
Network
10101011100100110001
Source: Macpherson etal, 2013, SPE 166263
8
9. Drilling Systems Automation
• The drilling industry has equipment that is
highly automated (level 8+)
• Automation of drilling systems and processes
is quite rudimentary (level 3)
• Why?
• What are the business drivers?
9
10. • Difficult profiles, bottomhole pressure margins
• Mitigate risk and control costs
Well Complexity
• Real-time measurements, complex operations
• Manage, interpret, act on large volumes of data
Data
Overload
• 35 to 40% of deep-water drilling costs
• Minimized by responding predictably to events
NPT
Significant
• Drill many similar profile wells per field
• Repetitively drill to plan with minimal risk and cost
Well
Manufacturing
DSA Drivers
10
Source: Baker Hughes
11. • Difficult profiles, bottomhole pressure margins
• Mitigate risk and control costs
Well Complexity
• Real-time measurements, complex operations
• Manage, interpret, act on large volumes of data
Data
Overload
• 35 to 40% of deep-water drilling costs
• Minimized by responding predictably to events
NPT
Significant
• Drill many similar profile wells per field
• Repetitively drill to plan with minimal risk and cost
Well
Manufacturing
DSA Drivers
11
Don’t buckle the
pipe
Don’t exceed the
maximum RPM of
the bit
Stay on target
Don’t exceed
maximum weight
on the bit
Drill efficiently
Avoid lateral
vibrations
Avoid stick-slip
vibrations
Don’t exceed make-up
torque of the drill
string
Don’t stall the
downhole motor
Don’t stall the top
drive
Drill faster
Don’t exceed the
maximum RPM of
the top drive
Connect a new
pipe joint fast
and safely
Condition
the hole
Go back to bottom
fast and safely
Clean the hole
Drill this section
without tripping;
i.e. with one bit
Time is money
Safety first
Source: Mark
Anderson, Shell
12. • Difficult profiles, bottomhole pressure margins
• Mitigate risk and control costs
Well Complexity
• Real-time measurements, complex operations
• Manage, interpret, act on large volumes of data
Data
Overload
• 35 to 40% of deep-water drilling costs
• Minimized by responding predictably to events
NPT
Significant
• Drill many similar profile wells per field
• Repetitively drill to plan with minimal risk and cost
Well
Manufacturing
DSA Drivers
12
13. • Difficult profiles, bottomhole pressure margins
• Mitigate risk and control costs
Well Complexity
• Real-time measurements, complex operations
• Manage, interpret, act on large volumes of data
Data
Overload
• 35 to 40% of deep-water drilling costs
• Minimized by responding predictably to events
NPT
Significant
• Drill many similar profile wells per field
• Repetitively drill to plan with minimal risk and cost
Well
Manufacturing
DSA Drivers
13Source: SPE 178875, 2016, Livingston etal, Team Approach to Horizontal Drilling
Optimization in the Marcellus Delivers Record Setting Performance
14. • Operations starved for expertise
• Will make available scarce expert resources
Expert
Resources
• Skilled employees exiting the industry
• Transfer knowledge from skilled to new employees
Knowledge
Transfer
• Driver is to make the work environment a safer place
• Reduce the number of people in “red zones.”
HS & E
DSA Drivers
14
Well
Complexity
Data
Overload
NPT
Significant
Well
Manufacturing
15. Technology and Business
• There are significant business drivers behind
drilling systems automation
• But to make DSA happen we have to
communicate the technology to the business
15
16. 16
Technology: DSA is Challenging
Necessity of domain expertise in technology enablers
Taskuncertainty
Source: UT Austin RAPID Consortium
17. DSA Decision Making and Control
Framework
• Well Design, Budget, Data Repository,
• Data mining & analytics
Enterprise
• Wellsite & Remote Operations
• Monitoring, Modeling, Simulation
Operations
• Process Control Systems
• Onsite Interpretation & Control
Execution
• Machine Control Systems
• Instrumentation & Measurement
Machine
Control
• Physical Drilling Process
• No Intelligent Sensing
Well
Construction
17
0
1
2
3
4
Modified from ISA 95 for the Drilling Process
Source: de Wardt etal, 2015, SPE 173010
WellsiteRemote
OPC UA
Deterministic
Protocol
WITSML
Non-deterministic
Protocol
18. DSATS Rig Control System
18
rilling ystems utomation echnical ection
Operators,
Service
Companies,
Drilling
Contractors,
Equipment
Suppliers,
…
19. DSATS Communications Guidelines
• OPC UA protocol for automation communications
• Interface to proprietary or other standards
• Machine independent software
• data-to-information
• control algorithms
• Standardized method for real-time drilling data
• Simplified device control architecture for drilling rigs
• Standardized units, security, rig-information-model
19
Next Step: Data
20. DSA Decision Making and
Control Framework
• Well Design, Budget, Data Repository,
• Data mining & analytics
Enterprise
• Wellsite & Remote Operations
• Monitoring, Modeling, Simulation
Operations
• Process Control Systems
• Onsite Interpretation & Control
Execution
• Machine Control Systems
• Instrumentation & Measurement
Machine
Control
• Physical Drilling Process
• No Intelligent Sensing
Well
Construction
20
0
1
2
3
4 Data Mining
Analytics
Subsurface
Predictions
Swab Surge
ROP
Machine
Control
Data flow between levels of the framework (NO SILOS)
21. Data in Systems Automation
• Without data there is no automation
• “First comes data” (Lord Kelvin)
• Who owns the data?
– Separation of Data Ownership, Guardianship and
Confidentiality
– Open System versus current Closed System
– Data Model embedded in the Business Model
21
22. 22
Sensors
& IMS
Communications
Machines
Equipment
Control
Systems
Simulation &
Modeling
Human
Factors
Certification &
Standards
DataAggregator
telemetry, latency
accuracy, precision
Completeness
Logic
Proximity
Accuracy
Conversion
Criticality
Availability
Data, Derived
Data, System
State
Calibration
Validity
data
Instrumentation and Measurement System (IMS) -centric view of drilling
systems automation, showing relationship with other challenges
2 3
4
5
6
7
8
Systems
Architecture
1
23. Real-Time Data Flow and Value
23
0
1
2
3
4
Well
Construction
Machine Control
Execution
Operations
Enterprise
REAL-TIME
PROCESS
SENSOR
DATA
IN STREAM
ANALYTICS
ENTERPRISE MODELING / PLANNING
ACTIVE
ADVISORY SYSTEMS
PERFORMANCE
VISUALIZATION
MONITOR/CONTROL
Source: DSATS Luncheon Presentation, 2015, SPE Digital Energy Conference
24. Data Flow: Shared Autonomy
HUMAN COMPUTER
Source: Iversen et al., 2016 SPE-181047-MS
0 Well
Construction
1 Machine
Control
2 Execution
25. A BRIEF LOOK INTO SYSTEMS
25
1. Concept: Drilling Control System
2. Implementation: Real-Time Data Modeling
3. Implementation: Wired Pipe and DSA
Drilling
Process
E(t) H
Drilling
Control
System
drilling
equipment
C(t)
controls
advice
Adcs(tm)
Driller
“delayed”
action
Ad(tmd- d)
MWD
telemetry
Rd(tT-T)
decimated and delayed
downhole responses
Rd(td)
downhole
measurement
decimated surface
responses
Rs (ts)
surface
tools
Cdcs(tm)
command
Rd(t)
downhole responses
Rs(t)
surface
response
s
26. Drilling Control System
26
Drilling
Process
E(t) H
Drilling
Control
System
drilling
equipment
C(t)
controls
advice
Adcs(tm)
Driller
“delayed”
action
Ad(tmd- d)
MWD
telemetry
Rd(tT-T)
decimated and delayed
downhole responses
Rd(td)
downhole
measurement
decimated surface
responses
Rs (ts)
surface
tools
Cdcs(tm)
command
Rd(t)
downhole responses
Rs(t)
surface
response
s
Source: Dashevskiy etal, 2003, AADE-03-NTCE-10
1
27. Drilling Control System
27
time (min)
240
180
120
60
ROP (ft/hr)
Source: Dashevskiy etal, 2003, AADE-03-NTCE-10
End of training set
1
28. Source: Chmela et al, 2014, SPE 168018 28
Model more
accurate over
time
Model data
and sensor
data deviate
indicating a
problem
Modeling for DSA
Use of mechanical, hydraulic and thermal models, in
real-time, to derive “virtual sensor data”
2
29. Modeling for DSA
• Example, models predict
safe “pull-window” during
tripping
• Set-points and operational
constraints for safe,
efficient operations
• Staged introduction:
monitoring, shadow
system, then control
29Source: Chmela et al, 2014, SPE 168018
2
30. • Automated Tripping System
30
Modeling for DSA
ECD ECD
DEPTH(m)
DEPTH(m)
CSG SHOE DEPTH CSG SHOE DEPTH
BITDEPTH BITDEPTH
Pore
Pressure
Pore
Pressure
Manual System Automated System
• System automatically adjusts running
speed and acceleration to avoid swab
Source: Chmela, etal. 2014, SPE 168018
2
32. Application of wired pipe, high-speed downhole data and
closed-loop drilling automation in the Bakken:
• Drilling Efficiency: Real-time information improved
awareness of drilling efficiency
• Standardizing connection practices reduces cumulative
effects of back-to-bottom lateral vibrations
• Automation system shows promise to manage/mitigate
downhole drilling issues
• Recommended to further develop drilling automation
technology
3
Wired pipe and DSA
Source: Trichel et al, 2016, SPE 178870
33. Wired pipe and DSA
Source: Iversen et al, 2016, SPE 181047
3
On-Bottom Days, 8-3/4” Section
With Automation,
On-Bottom Days, 8-3/4” Section
0 6 0 6
FeetMD
34. Summary
• Drilling Systems Automation (DSA)
– The process of creating a borehole with systems
and sub-systems,
– That are computer controlled, and which
– Lead to reduced human intervention
• Impact is across the entire organization and
drilling process: Drill Bit to Enterprise
34
35. Conclusions
While drilling equipment is highly automated, the
drilling system/process is poorly automated.
Drilling systems automation is technically
challenging, requires a holistic approach, and is
rewarding with significant business drivers:
Performance, Safety and Cost
35
36. Further Reading
• SPE 166263, “Drilling Systems Automation: Current
State, Initiatives and Potential Impact”, SPE ATCE,
October 2013
• SPE 173010, “Drilling Systems Automation Roadmap
- The Means to Accelerate Adoption”, SPE/IADC
Drilling Conference, London, March 2015
36
37. Drilling Systems Automation
Sources of Information
37
connect.spe.org/dsats/home/
connect.spe.org/dsaroadmap/home/
www.iadc.org/dsaroadmap
www.iadc.org/advanced-rig-technology-
committee/#access
38. Society of Petroleum Engineers
Distinguished Lecturer Program
www.spe.org/dl 38
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Editor's Notes
Before I start let me acknowledge the role played by the SPE Foundation and my employer in making this presentation possible. We also wish to acknowledge the support of the American Institute of Mining, Metallurgical and Petroleum Engineers.
I will be talking on drilling systems automation – what has been done and what is being done in the industry. But most important I wish to communicate why it is important. If you come away willing to read the literature that I give at the end then I will have succeeded. If you come away and join one of the industry collaboration groups and start to contribute then I will be truly happy.
I am extremely gracious to the Daqing section of the SPE for inviting me to present, and giving me the opportunity to visit this great country.
Current state-of-the-art is that we have isolated sites of automation: downhole in the MWD tools, on the surface at the rigsite, and remote in the data center. Each of these is discrete and is at a different level of automation. The objective of “Drilling Systems Automation” is to bridge these islands of drilling automation by creating an “automated drilling system” which delivers many productivity and safety benefits to all oilfield companies. There are many groups working to create the correct environment for drilling systems automation. But more about all this later, and let’s work on a few definitions first.
Endsley and Kaber define levels of automation by function: monitoring, advice generation, selecting (decision making) and implementation (control). H corresponds to Human involvement in the function, while C corresponds to computer involvement. Note that each function, for example monitoring, is present over a wide range in levels of automation. However monitoring is the predominant computer function at lower levels of automation, and the progression is monitoring to advice to decision to control with increasing levels of automation.
If we look at an offshore floating rig we see that there are many automated components. Each of these is quite sophisticated – the level of automation is high. But these are isolated components. In drilling systems automation we are interested in systems automation, which is the automation of the drilling process.
The state of the art in drilling automation is actually quite impressive. For human and computer monitoring, both wellsite-based and remote systems are readily available, are quite advanced, and are being work on daily. For computer based advisory systems, a great deal of effort has been expended in interpreting data downhole and transmitting compressed diagnostics to surface. Directional drilling advisors (geosteering for example) are often executed remotely or at the wellsite, and control systems (auto-drillers are one example) are present at the wellsite. However, the highest degree of automation are downhole autonomous or semi-autonomous drilling systems, such as rotary steerable systems, which compare favorably with anything developed in any industry, especially considering their operating environment (high pressure, high temperature, high vibration).
The high degree of downhole automation is needed because there is (has been) a digital restriction between downhole and surface. With high bandwidth telemetry such as high-speed mud pulse and wired pipe, this barrier may be overcome in the near future.
So to summarize, why are we so rudimentary in drilling systems automation? We have already seen one reason, restriction of the bandwidth available for digital communication. However, technically that barrier can be overcome, so it is worthwhile looking at the business drivers: are there business drivers for drilling systems automation?
The first driver is well complexity. The complexity of wells that we can drill has increased tremendously over the last couple of decades. This example shows a well drilled to tap reserves that lie directly under a drilling location. This profile is only possible with advanced steering technologies and sophisticated analysis and control systems. Systems automation makes feasible the control of such complex profiles by mitigating risk (such as steering risk and wellbore collision) while allowing operators to control and predict cost.
Another driver is well overload. We ask our drilling personnel to monitor and respond to an abundance of information, while maintaining focus on safety. Systems automation allows for monitoring and responding to many data and information sources, reducing the real-time data load on the driller, and allowing him to handle those which are more critical. As a side note this is “shared autonomy” – the computer-based systems are aides to the driller. It is technically a challenging area to develop. It is far simpler to develop systems that are wholly computer controlled, which are termed autonomous systems.
On to the third driver, which in reduction in Non-Productive Time (NPT). Much has been said about NPT, but basically systems automation allow us to address NPT by being repetitive and predictable. Each task is repeated in the same way, each time, while maintaining the safety of the well bore and physical equipment. For example, the tripping speed is maximized by taking into consideration the swab and surge pressures in the wellbore and the fracture and pore pressure gradients; pumps are brought up at the correct rate to break mud gel strength without generating excessive pressure surges.
Another business driver is well manufacturing – the repetitive drilling of many wellbores with the same or similar profiles. This is the practice in drilling wells in the US Land environment in shale plays (“unconventional plays”).
Another three drivers.
Systems automation constructs (the digital backbone) make it possible to bring expert resources no matter where they are located in the world to solve drilling issues. In the mining industry these resources are termed “centers of excellence” to differentiate them from remote monitoring centers.
Systems automation also helps transfer knowledge, or develop a repository of knowledge, as skilled employees leave the industry. The mode of knowledge capture varies from physics-based models and their use while drilling a well, through electronic procedures, to data-driven analytics techniques that can be applied in real-time, as the well is drilled, such as deep learning.
Finally in this list (which is not exhaustive), and most important, is HS&E. Drilling systems automation directly moves remove people from red zones. The red zone can be the rig floor or it can be the wellsite itself.
So there are many significant business drivers behind drilling systems automation – why then has it not already happened? The issue is that we have to communicate the technology to the business - we have to let the business see what is possible and how to implement it and how to innovate and compete in the drilling automation space.
And we have to realize that drilling systems automation is not technically trivial. It helps to place drilling systems automation in context with other systems automation products in other industries.
This slide is from Dr Mitch Pryor of the University of Texas at Austin, who graciously allowed me to use it. On the horizontal axis is the necessity of the automated components to have domain knowledge. On the vertical axis is a measure of task uncertainty – how difficult is it to automate the task.
The first view is of robots in a car assembly line. The robots do not need to have knowledge of what they are assembling, and there is little uncertainty in the task – a hole must be drilled at a price location in metal.
The second view is of robots in use in an operating room. While task uncertainty is high the robots have no knowledge they are operating on a human – indeed there is a bank of human “robo-surgeons” controlling the robots
The third view is of mining and other systems – here domain expertise in robots becomes more critical. For example in mining the shot holes are drilled by a completely autonomous drilling rig which can manufacture repetitively against plan, and can monitor loading of the holes depending on lithology. There is also a large digital backbone for logistics in moving the ore from the workface to processing plant.
The fourth view is of a robot for handling nuclear materials. Here it is important that the robot know what it is handling – if it is handling a “hot” item then it may not be able to move it through a barrier.
The last view is drilling systems automation. The task is technically complex, one of the most complex around. We drill holes in the ground, often with very limited information, and attempt to control the progress from very far away, similar to being on the end of a piece of spaghetti. This task complexity needs to be communicated to the business so that expectations are managed – but the same task complexity opens a tremendous opportunity for collaboration and competition, and we will now take a look at how collaboration is developing standards that allow drilling systems automation to be realized.
The first collaborative construct we will look at is the “Drilling Systems Automation Decision Making and Control Framework”. This is modified from ISA 95, which is the automation standard for manufacturing (and other) industries. The lowest level represents the physical process – it has no intelligent sensing. The overlying layers extend from the wellsite into remote systems to the enterprise.
Connectivity between these layers relies on a digital protocol and language. These have been selected as OPC UA for deterministic high-speed communication, and WITSML, the industry standard for communicating data in a non-deterministic fashion. The mapping between these two protocols is currently underway, with the semantic model for WITSML 2.0 being merged or placed within the semantic model for OPC UA. Once this is finished, it will be possible to move seamlessly between the two protocols depending on need.
DSATS stands for drilling systems automation technical section, which is an SPE body of about 1,600 individuals who are collaborating on the guidelines required for systems automation of the drilling process. One of their first moves was to develop the communication layout for control of a drilling rig, so that service companies, equipment providers, and others, could all “play” within the automation space.
The early main deliverable from DSATS was the recommendation to use OPC UA as the secure digital protocol, in line with other industries. OPC UA has existing bridges or adapters to other standards, and use of the protocol allows us to develop machine independent software, and to standardize on various aspects. Once the protocol is in place, the next development step is to focus on DATA
The goal is to allow data to flow bi-directionally between levels in the DSA Decision Making and Control Framework. This links machines with models and controls in real-time.
Data is the most important element in drilling systems automation, and it must be reliable. There are data issues that the industry is working through, such as data ownership. Contracts typically place data ownership with the operator (he who pays for it owns it). However, ownership also means responsibility for data quality, and by paying for it one does not ensure data quality, so it is likely that data providers and compilers need to take responsibility or ownership of data. At the moment there is confusion in contracts between the terms ownership and confidentiality that needs to be resolved in a collaborative environment.
Shown here is a data-centric view of drilling systems automation. This is actually a product of the drilling systems automation roadmap (DSA-R) that is being developed as an Joint Industry Project (JIP). The main components of drilling systems automation are shown numbered. The sensors and instrumentation and measurement systems (IMS) is expanded to give an idea of the criticality of data in the DSA construct. Basically sensors and IMS relate to machines and equipment, communications, and certification and standards. The product of data drives control systems and simulation and modeling. If you like, data is the blood of automation.
The rules shown (completeness, logic, proximity, and so on) were developed primarily by Dr Eric Cayeux to describe the needs of data in an automation environment. They govern, for example, the level of automation that can be achieved by a weight-on-bit measurement at the end of the deadline, in a load pin, in a surface sub, or at the drill bit.
This slide is to reinforce the value of data in a systems engineering construct, which is essentially a nested series of feedback loops. So data gathered is monitored and feedback to control performance. In a higher loop data may by analyzed as it flows, and then feedback through advisory systems to the control task and achieve an even better level of performance. This series of nested feedback loops adds value to the drilling process. Without flow of data there is no incremental value achieved and the system is constrained by silos within and between levels
Don’t expect to be able to read this slide. This is from a recent paper by Dr Fionn Iversen of International Research Institute of Stavanger and it shows what happens at level zero in the physical process, but more importantly the shared autonomy between human and computer systems at higher levels. Please read the reference (not just because I am a co-author) but because it illustrates the overall concept of what we are achieving in the drilling industry, and how “human-factors” play with computer systems in this “shared autonomy”
In the early 2000’s there was research being performed on drilling control systems. In particular the use of neural networks to function as drilling control systems. This construct shows the various data flow paths and the role latency and decimation of data play in the construct, depending on if the data is from surface or downhole, and if the system is used as an advisor or to directly control the equipment.
The results with this concept were excellent, as shown here. It was possible to predict, for example, rate-of-penetration based on training sets of data. The prediction being done here is ahead of the drill-bit – in other words what the next value of ROP will be.
Unfortunately, the down side is that such accurate prediction depends on data quality – how well does the training set define the control space. This level of data quality is difficult to achieve as drilling plans are tightly focused on offset recommended parameters. However, this approach does show the viability for neural nets and analytics. Similar techniques, on a new scale, are being practiced in “deep learning” methods by IBM and others in other industries.
So turning away from data – driven systems, such as analytics and neural nets, anther approach has been the use of physics-based models. In this case, the models are calibrated in real-time, and used to predict the likely value of a measurement – this prediction is termed a virtual sensor. Any deviation between the predicted and measured value may indicate an issue, which is then handled by an alarm, advising the operator, taking control, and so on.
This example shows the use of the physics-based model to predict a safe hookload window, deviation outside it results in an alarm - but by feedback it also places a control on the amount of pull permitted. The horizontal axis is hookload and block position, while the vertical axis is time. This is active modification of constraints in automation. The rig can pull as fast as it is physically capable of, but the automation system modifies the constraints to prevent the operator from damaging the wellbore or the rig itself.
This is an example of constraints in pipe running speed being modified to prevent damage to the wellbore, namely by keeping the running speed slow so that the downhole pressure does not drop and allow an influx of fluids. The horizontal axis is pressure scaled in terms of mud weight (ECD – Equivalent Circulating Density), while the vertical axis is depth.
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This is the plane control loop. The three control loops are now automated in onboard computers.
Manuscript: The flight trajectory is usually pre-designed by the airline company or the pilot. During the flight, the pilot modifies the target flight trajectory according to the real-time flight state, which includes the plane position and the wind velocity, etc. Based on the preset trajectory, the pilot figures out the plane’s target attitude, which is the work of the flight trajectory control loop. Should the plane roll to perform a coordinated turn? Or should it pitch the nose up for a climb? The planned plane attitude is realized by the actions of the plane’s rudders, and the plane attitude control loop calculates the needed rudder action. The rudder action commands are then executed by the motors and actuators, which makes the rudder control loop. The rudder actions directly change the aerodynamic shape of the plane and changes the aerodynamic load on the plane. The onboard sensors measure the plane’s position and attitude, and report to the pilot. All these three control loops can be realized in a set of onboard computers to replace the pilot and take over the plane control. The pilots in modern commercial flights can just sit and supervise the autopilot do its job
Here we can decompose the drilling system.
In the third loop, the top drive and drawworks control are now automated.
The first two loops are under development and illustrate active R&D areas in drilling systems automation.
A final example is from managed pressure drilling (MPD). In this example, drilled offshore Myanmar, wired pipe was used. It is capable of about 57,000 bits per second, so it can be used in control systems. In this case pressure was measured by an MWD (measurement while drilling) tool at the bottom of the BHA (bottom hole assembly).
The objective was to drill a shallow gas sand with a floating rig. In order to do this it was necessary to maintain bottomhole pressure within a 50 psi window. This could only be done by using a surface backpressure system calibrated with real-time downhole measurements.
This is a sketch of the systems used in this operation. The point being made here is that there are about 7 companies involved in this one operation, which was executed in 2007. They shared data and developed the system to where this challenging project could be accomplished.
The x-axis is time, while the vertical axis are various pressures in the system. The one that is most important is the bottomhole pressure that had to be maintained within a 50 psi window, The well was successfully drilled after about 6 weeks training and system development. This is a highly complex system; the latencies, models, data, etc. all had to be known and communicated among parties in real-time. This one example shows what can be achieved by collaboration – at this time (2007) standards were few; but we now have the infrastructure to make this commonplace.