This document discusses how digital slickline technology can reduce the offshore footprint for remedial operations by providing real-time telemetry capabilities without compromising operational efficiency or functionality. It describes how digital slickline uses a polymer-coated cable for real-time data transmission while maintaining standard slickline capabilities. The document also summarizes a case study where digital slickline was used successfully for perforating operations on an unmanned offshore platform with space and weight restrictions, allowing the job to be completed safely and efficiently in fewer runs.
Slides of a talk given at ERTS2008 in Toulouse. Abstract: with the increasing amount of electronics, making best usage of the bandwidth becomes of primary importance in automotive networks. One
solution that is being investigated by car manufacturers is to schedule the messages with offsets, which leads to a desynchronization of the message streams. As it will be shown, this “traffic shaping” strategy is very beneficial in terms of worst-case response times. In this slides, the problem of choosing the best offsets is addressed in the case of Controller Area Network, which is a de-facto standard in the automotive world. Comprehensive experiments shown give insight into the fundamental reasons why offsets are efficient, and demonstrate that offsets actually provide a major performance boost in terms of response times. These experimental results suggest that sound offset strategies may extend the lifespan of CAN further, and may defer the introduction of FlexRay and additional CAN networks.
Slides of a talk given at ERTS2008 in Toulouse. Abstract: with the increasing amount of electronics, making best usage of the bandwidth becomes of primary importance in automotive networks. One
solution that is being investigated by car manufacturers is to schedule the messages with offsets, which leads to a desynchronization of the message streams. As it will be shown, this “traffic shaping” strategy is very beneficial in terms of worst-case response times. In this slides, the problem of choosing the best offsets is addressed in the case of Controller Area Network, which is a de-facto standard in the automotive world. Comprehensive experiments shown give insight into the fundamental reasons why offsets are efficient, and demonstrate that offsets actually provide a major performance boost in terms of response times. These experimental results suggest that sound offset strategies may extend the lifespan of CAN further, and may defer the introduction of FlexRay and additional CAN networks.
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.
Siesmic Evaluation for Structural Integrity Assessment of Nuclear Power PlantsProSIM R & D Pvt. Ltd.
Lecture Delivered by Dr. Shamasundar at ICNPG, Hyderabad on Siesmic Evaluation for Structural Integrity Assessment of Systems, Structures and Components (SSCs) of Nuclear Power Plants (NPPs)
These slides present an introduction to Remote Handling field; what it is and why it is needed. Furthermore, they summarizes the progress on Remote Handling activities carried out during my position as a RH engineer at Ciemat.
The presentation has to be downloaded to see the video encrypted in the slide 12.
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.
Siesmic Evaluation for Structural Integrity Assessment of Nuclear Power PlantsProSIM R & D Pvt. Ltd.
Lecture Delivered by Dr. Shamasundar at ICNPG, Hyderabad on Siesmic Evaluation for Structural Integrity Assessment of Systems, Structures and Components (SSCs) of Nuclear Power Plants (NPPs)
These slides present an introduction to Remote Handling field; what it is and why it is needed. Furthermore, they summarizes the progress on Remote Handling activities carried out during my position as a RH engineer at Ciemat.
The presentation has to be downloaded to see the video encrypted in the slide 12.
Balancing Friction & Sealing Effectiveness in Gimbal DesignBSEmarketing
To ensure optimal accuracy AND protect the sensitive electronics inside the gimbals (aka pods, pan-tilt systems) they design, engineers must strike a balance between low friction operation and sealing effectiveness. This presentation explains the relationship between seals and gimbal performance. It also offers tips on how to leverage jacket materials, geometries, and energizer forces to reduce stiction while meeting IPX, MIL-STD, SWaP, and other strict requirements. If you want to build a better gimbal, this deck is really a must-see.
Summary:
1. LED Lighting is evolving requiring new solutions that can support the latest generations of LEDs on the market
2. Topology choices are evolving to improve efficiency and reduce overall system cost
3. Intelligent control can enhance energy saving and extend operation lifetime even if more complex drivers are needed to support
4. We have only begun to harness what is possible with Solid State General Lighting
ELCB Fuji: thiết bị đóng cắt Fuji
Beeteco.com là trang mua sắm trực tuyến thiết bị điện - Tự động hóa uy tín tại Việt Nam.
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In today's technology-driven business, High-Speed Digital (HDI) has become more and more in demand. Bringing with it the demand for electrical and thermal performance, along with sequential lamination. To achieve this demand, the performance and reliability of the material have become much more important.
Tachyon-100G laminate materials are designed for very high-speed digital applications. Tachyon-100G materials exhibit exceptional electrical properties that are very stable over a broad frequency and temperature range between -55°C and +125°C up to 100 GHz and have proven to pass 10x lamination cycles.
In this webinar, Isola Director of High-Performance Products Michael Gay presents Tachyon-100G, highlighting the product offering and properties, and focusing on key performance attributes, product comparison, electrical performance, lamination, and more.
For more information on our printed circuit board solutions, visit https://www.epectec.com/pcb/.
Vehicle Speed detecter By PRAGYA AGARWALiamtheone5
The project mentioned here is “Speed checker and over speed detector for Highways”. This project is designed and developed by taking into consideration the problem mentioned above. We have used two sensors in this project. These sensors detect the vehicle speed. Condition is that, the two sensors should be installed at a distance of 100 meteres apart from one another.
Now-a-days we hear news about accidents on Highways very frequently. And in most of the cases main reason of accident is overspeed. Although all highways do have signboards indicating maximum speed limit for the sake of driver’s safety, but still people does not obey highway speed limit.
Gigalight Solutions for Data Center and Cloud ComputingGigalight
Gigalight provides a series of high speed optical interconnection solutions for 100G/200G/400G data centers.
Learn More:
https://www.gigalight.com/data-center-optical-transceivers.html
https://www.gigalight.com/aoc.html
https://www.gigalight.com/dac.html
1. Slickline realtime technology creating new options for reducing
offshore footprint on remedial operations.
Clement Laplane, Schlumberger
Gilles LeBlanc, Total
3. SchlumbergerConfidential
Conventionnal Slickline
Benefits
— Small footprint, mechanical integrity, logistical
simplicity, operational efficiency, cost effectiveness.
Limitations
— Downhole tool capability / activation, Depth control,
Memory based
Digital Slickline
Real time telemetry
— Access to wellbore information & send command from
Surface.
— Depth Control / Activation of Advanced tool
Without compromising
— Operational efficiency (minor set up modification )
— Functionality (Jarring, speed, Sealing)
3
Introducing real time Slickline
4. SchlumbergerConfidential
Mechanical integrity of coated cable is not
compromising operational efficiency and
functionality:
- Std Sealing - Running speed / jarring capability
/ safe operation / environment.
- Low surface voltage - Does not need Zone II
pressurized equipment
Creating operational constrain and limitation;
– Grease injection - affecting running
speed / Jar capability. Logistic, rig up
height, environment (leak, contamination)
– Risk of stranded wire/ bird cage requiring
complex fishing.
– Heavy wire (logistic)
– High Voltage - Additional pressurized
cabin
Telemetry Principle and advantages
Multi-Conductor Cable
Multi Layer concept
Digital Slickline Cable
Coated cable concept
4
Using tubing / insulated cable for
telemetry
and downhole battery
for power
5. SchlumbergerConfidential
DIGITAL SLICKLINE CORE TOOLS
• Cable head
• Basic Measurement Cartridge
– shock / tension / deviation / movement
• Depth Correlation Cartridge (GR/CCL)
DIGITAL SLICKLINE SURFACE EQUIPMENT
• Standard winch / drum / pulleys / stuffing box
• Surface Transceiver and PC
DIGITAL SLICKLINE CABLE
• Std 5R60 Sandvik cable
• 1870 lbs (108)
• 2500 lbs (125)
• Polymer coated
• Standard SLK compatible
Real time Slickline Set up
010111010001…0101
Telemetry – Up/Down
Battery – Power complete string
Record sensor information
DHTE/Shock/Deviation
5
7. SchlumbergerConfidential
K5-D3: Reason for Choosing DSL
7
* Naturally Occurring Radioactive Material
Overall situation
Southern North Sea, Dutch Sector, Operated by Total
Platform crane weight limitation < 5tons
Limited deck space (simultaneous operations)
Unmanned Platform
Need for accuracy while perforating
Well NORM* classified
Weather condition – flight limitation
Conventional perforating option would have been :
– SLK (Dummy and protection sleeve) Electric line for Perforation
– SLK with Efire with possible extra correlation runs
8. SchlumbergerConfidential
K5-D3: Operation Program and Toolstring
Well condition
– BHT 125°C, BHP 207 bar, Gas well, 2%
CO2, No H2S, dev 54Deg, Perforation
depth: 4827m.
Charge used
– 2in HSD Power Jet Omega, D-TrigII (with
Secure2 detonator)
– Gun length 6m Max / run due to deck space
limitation (Surface logistics)
7 perforations runs
– Set / retrieve protection sleeve every day
– Dummy Run 4858m
– Punch Zone 1 - 4827m (1 Runs)
– Perforate Zone 1 - 4827m (2 runs – 9m)
– Perforate Zone 2 - 4814m (4 runs - 20m)
8
Rope Socket
Telemetry
Shock, DHTE, Angle
Correlation cartridge
GR, CCL
Pressure temp
Trigger
Secure II
Firing head
Safety fuse
Gun
Zone 1&2
20°Deg
Water Level
2100m
11. SchlumbergerConfidential
K5-D3: Job Results
Job results:
Job successful – perforation on Depth
No NORM residue on cable.
Positive indication from surface
Highlights:
All perforation (29m) within 0.15m accuracy.
12 m / 300 lbs T/String compatible with 0.125” SWL.
2 run per days Running speed up > 250 m/min
Robust and reliable telemetry @ 4827m (15,836ft)
Operation completed with only SLK (DSL) no E-Line required.
Learnings:
Mis-run due to swollen boot due to CO2 – Changing material
Battery disconnection due to shock – Re log perf interval.
- Increasing spring contactor
11
12. SchlumbergerConfidential
Performance review – Advantage and benefit
12
Cost Time Function HSE
– Less People and Equipment on well site
Logistic / handling / Pressure / lifting / rig up-down / flight /
supply boat / Bed space
X X X
– Access to remote location
Deck space / Crane limitation
X X X X
– Sealing Capability
Running speed / Jarring capability / Environment friendly/
NORM* Suitable
X X X X
* Naturally Occurring Radioactive Material
Fatality, LTI, RWDC
MTC ,
Material Productivity Loss
Pollution/Spill
Occupational Illness
Near Miss
First Aid Case
Security 0
Fire and Explosion 0
Vehicle Incident
HIPO
13. SchlumbergerConfidential
Conclusion
Digital slickline provide
Depth Correlation with Wireline Accuracy
Real time Activation & Perforation
with inherent benefits of SLK
Small footprint, Light equipment, Jarring capability
No grease injection (NO NORM)
Reduced crew, Quick rig up cost effective …
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