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SPE-181928-MS. Well Drilling Process Optimization in the Verkhnechonskoye Oil
Содержание
- 1. SPE-181928-MS. Well Drilling Process Optimization in the Verkhnechonskoye Oil
- 2. Verkhnechonskoye Oil and Gas Condensate Field VCOGCF
- 3. Verkhnechonskoye Oil and Gas Condensate Field Slide
- 4. Slide SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF • Nikolay AbaltusovVCOGCF Geological Structure
- 5. Slide SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF • Nikolay AbaltusovPay Formations in VCOGCF13001650
- 6. Slide SPE-181928-MS • Well Drilling Process Optimization
- 7. Slide SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF • Nikolay AbaltusovProduction Casing Section Drilling
- 8. Slide SPE-181928-MS • Well Drilling Process Optimization
- 9. Slide SPE-181928-MS • Well Drilling Process Optimization
- 10. Slide SPE-181928-MS • Well Drilling Process Optimization
- 11. Slide SPE-181928-MS • Well Drilling Process Optimization
- 12. Slide SPE-181928-MS • Well Drilling Process Optimization
- 13. Slide SPE-181928-MS • Well Drilling Process Optimization
- 14. Slide SPE-181928-MS • Well Drilling Process Optimization
- 15. Slide SPE-181928-MS • Well Drilling Process Optimization
- 16. Slide SPE-181928-MS • Well Drilling Process Optimization
- 17. Acknowledgements / Thank You / QuestionsThe authors
- 18. Скачать презентанцию
Verkhnechonskoye Oil and Gas Condensate Field VCOGCF is located in the north of the Irkutsk Region, in the Chone river’s headIt is one of the largest in Eastern SiberiaOil reserves total
Слайды и текст этой презентации
Слайд 1SPE-181928-MS. Well Drilling Process Optimization in the Verkhnechonskoye Oil and Gas
Condensate Field
Слайд 2Verkhnechonskoye Oil and Gas Condensate Field
VCOGCF is located in
the north of the Irkutsk Region, in the Chone river’s
headIt is one of the largest in Eastern Siberia
Oil reserves total 200 million tons
Gas reserves total 95.5 billion m3
Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF • Nikolay Abaltusov
VCOGCF
Irkutsk Region
Irkutsk
Слайд 3Verkhnechonskoye Oil and Gas Condensate Field
Slide
SPE-181928-MS • Well
Drilling Process Optimization in the VCOGCF • Nikolay Abaltusov
1978
2005
2008
September of
20122016
Field discovery
VCNG field development
Connected to the ESPO pipeline
486
wells
230
wells
40 million
tons of oil
Слайд 4Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
VCOGCF Geological Structure
Слайд 5Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Pay Formations in VCOGCF
1300
1650
Слайд 6Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Well Drilling Process Optimization in VCOGCF
Слайд 7Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Production Casing Section Drilling
Слайд 8Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Experiment #1. Drilling over 2 Runs
Trip out
Bit replacement
Motor
replacementRun 1
Run 2
Middle Moti suite
Слайд 9Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Production Casing Section Drilling over 1 run
Motor with
an oil-resistant elastomer is requiredStator elastomer wears out much faster
Water based mud
Oil based mud
Слайд 10Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Motor with an Oil-Resistant Elastomer
Drilling mud samples
Motor manufacturing
NBR-HR-37
elastomer
Слайд 11Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Experiment #2. Drilling over 1 Run
Run 1
ROP =
17,3 m/h147 hours
of circulation
Слайд 12Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Time for Drilling Production Casing Section
Conventional drilling of
production casing sectionDrilling over 2 runs
12-30 h
≈ 45 hours
Drilling over 1 run
depth, m
days
Слайд 13Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Restrictions
Azimuth change is to be less than 60°
Production
casing setting depth is to be less than 2700 mSide view
Top view
< 60
> 60
< 2700
> 2700
Слайд 14Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
The Results of Production Casing Section Drilling Optimization
LWD suite is included in BHA
Production casing section is drilled per one run
The bit design is optimized
An optimal size of the motor stabilizer is selected
Water based mud is replaced by oil based mud
Oil resistant elastomer is selected based on drilling fluid sampling
MWD pulser is adjusted based on defined borehole conditions
Data transmission speed increase
ROP increase
An individual approach to each well
Preliminary calculations of hydraulics, WOB, tensions and torques
Слайд 15Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
Record well
Production casing interval is drilled and cased
for 7 daysTotal well construction time 14 days
Слайд 16Slide
SPE-181928-MS • Well Drilling Process Optimization in the VCOGCF
• Nikolay Abaltusov
The Results of Production Casing Section Drilling Optimization
8 wells drilled with Drilling optimization
250 hrs of total well-construction time saving
15 000 000 RUB – Value to Client
Слайд 17Acknowledgements / Thank You / Questions
The authors express thanks to
the management groups of PAO “VCNG” (PAO “NK Rosneft”) and
Weatherford companies for the permission to publish and submit the results of this paper.We also express thanks to the drilling crew and the service specialists who were involved in the well drilling and were gathering the field data for analysis.
Slide
