© 2012 halliburton. all rights reserved. steelseal® engineered, specialty lost circulation...
TRANSCRIPT
© 2012 HALLIBURTON. ALL RIGHTS RESERVED.
STEELSEAL® Engineered, Specialty Lost Circulation Material
3 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
Why Baroid?
1925 Filed patent for first barite-based drilling fluid
1930 First mud school
1932 First mud-testing procedures and kit
1939 First mud-logging service
1940s Pioneers service by air and sea
1950s Invents foam drilling technology
1960s Invents oil-based fluid, Invermul® system
1970s Develops new fluids for hostile geology
1980s Develops mud loop testing, improves waste management
1990s Pioneers biodegradable invert drilling fluids
2000s Rolls out first families of clay-free syntheticand high performance water-based fluids
2010s Introduces automated mud monitoring equipment to industry
4 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
CONSISTENT QUALITY
Identify theChallenge
Identify theChallenge
SolutionCreationSolutionCreation
OperationsProgram
OperationsProgram
OperationsExecution
OperationsExecution
KnowledgeCapture
KnowledgeCapture
Present theValue
Present theValue
Critical First Well Execution
Critical First Well Execution
Problem ResolutionProblem
Resolution
Our Technical and Operational Process
5 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
BAROID Laboratory Support
Baroid scientists and engineers work with state of the art equipment and an extensive global database in order to perform comprehensive testing analysis on a global scale.
Analytical technical support Bioassay technical support Reservoir fluids technical services Drilling fluids technical services Industrial drilling products lab Quality assurance Research and development
Baroid’s Laboratory Services include:
6 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
customerCHALLENGEWhile an effective wellbore strengthening program is your best defense against lost circulation, complete prevention is not always possible. The lack a well thought-out remediation plan for lost circulation could cause:
Increased Non-Productive Time
Decreased Wellbore Value
Heath and Safety Issues
7 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
customerCHALLENGECuring lost circulation becomes more difficult based on formation type and rate of fluid loss
Classifications of Fluid Loss*
Seepage: <10 bbl/hr
Partial: 10-50 bbl/hr
Severe: 50-100 bbl/hr
Total: >100 bbl/hr – no returns
*The range for each classification may vary between operators
8 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
customerCHALLENGEThe risk of lost circulation become more prevalent when drilling formations with:
High Permeability
Natural Fractures
Low ECD Margins (Induced Fractures)
9 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
STEELSEAL® Lost Circulation Material
Baroid’s SOLUTION
Highly resilient, dual composition carbon-based material
Background or Pill treatments
Deforms to stress in a multitude of fracture sizes
Increased material resiliency
10 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
Baroid’s SOLUTION
STEELSEAL® lost circulation material has a resiliency which allows it to “mold” itself to all stress regimes within any fracture, promoting fracturing plugging, and providing superior sealing
Resiliency up to 120% Similar materials show resiliency of <40%
Highly effective in HP/HT environments
Constant and effective fracture sealing in turbulent down hole conditions
11 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
Resiliency up to 120% Compatible in oil-, water-, and
synthetic based fluids High concentrations used with no
adverse effects to drilling performance
Increased lubricity in WBM Non-magnetic material
Will not effect downhole logging tools
key FEATURES
Typical Graphite STEELSEAL®
12 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
customer BENEFITS Cost Effective
– Reduce fluid loss and NPT with improved fracture sealing– Can be used as pre-treatment to prevent seepage– Increased ROP
Increased Drilling Performance– Improved fracture plugging, effective in HP/HT wells– Increase lubricity in water-based fluids, reduced torque and drag– No adverse effects to drilling equipment or rheological properties
Versatile – Deform to stress in multitude of fracture sizes– Effective in HP/HT wells– Specifically designed particle size distribution
13 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
STEELSEAL® Engineered, Specialty Lost Circulation Material
A highly resilient lost circulation material that gives operators a technically superior solution to mitigate seepage, partial or severe fluid loss rates, preventing non-productive time and saving money.
value PROPOSITION
14 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
CASE STUDY: STEELSEAL® LCM and BARACARB® bridging agent help Apache improve wellbore stability and cut costs by 50%
Location: Neuquén, Argentina
At 1,800 m measured depth (MD), a short trip was initiated to the conductor shoe at 400 m. After the trip, wellbore instability and excessive cuttings prevented a return to bottom.
Significant non-productive time (NPT) and costs were associated with stuck pipe, casing issues and additional trips to condition the wellbore.
Baroid personnel recommended an engineered WBM formulation To address wellbore instability issues, the system was further customized with STEELSEAL® Lost Circulation
Material and BARACARB® Bridging Agent additions to seal microfractures and strengthen the formation during drilling operations.
Based on total rig costs, the Apache Corporation was able to save USD $1.15 million on the well drilled with the engineered fluid recommended by Baroid
The actual mud costs for the Baroid fluid were also 9% lower than planned.
CHALLENGE
SOLUTION
RESULTS
15 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
CASE STUDY: STEELSEAL® LCM sweeps help avoid downhole
losses while drilling depleted zone in surface interval
Location: Texularia Sand/Muscar Field, Venezuela
PDVSA planned to drill through the Textularia sand in the La Pica formation, a severely depleted zone in the surface interval of the MUC-123 well
Previous offset wells in the Muscar field encountered severe lost returns and stuck pipe while drilling the 17-1/2” surface section
The challenge was to provide an engineered fluid solution that would permit the operator to drill the 17-1/2” hole in a safe and timely manner and set surface casing to total depth without further occurrences of lost circulation
Baroid engineers recommended implementing an LCM sweep program when approaching the depleted sand to seal off the sand and prevent or minimize losses
The unique STEELSEAL® lost circulation was used because of its ability to expand or contract without being dislodged by changes in differential pressure
The successful application of the STEELSEAL® LCM sweep pills combination allowed PDVSA to avoid costly remedial operations and eliminate non-productive time (NPT)
The offset wells was drilled with zero NPT, saving $160,000 in fluid costs compared to the previous Muscar wells
CHALLENGE
SOLUTION
RESULTS
16 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
related DOCUMENTS
Sales Data Sheets
Case Histories
Website
17 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
BAROIDDRILLING FLUID SOLUTIONS
Water Based Fluids
Invert Emulsion Systems
Wellbore Stability
Lost Circulation Materials
Wellbore Clean-Up and Displacement Packages
Breaker Systems for Polymer and Solids Removal
Lost Circulation in Pay Zones Solutions
18 © 2012 HALLIBURTON. ALL RIGHTS RESERVED.
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