GEOLOGY to your DESKTOP TM
Chris Jacobson
Talk Topics
• Common historical data and workflows
• Mudlog object coverage for wellsite and operations geology workflows
• Plugging the wellsite geologist into the data pool • automating the pull of LWD/MWD and SDL data• Feeding geological interpretations back to the data pool
Common Historical Wellsite / Operations Geology Dataflow
- Poorly formatted data files
- Requires manual file generation by service company
- Requires manual loading by the geologist
WELLSITE
LAS FILES
ASCII FILES
OPS BASE
Manual input of lithology data into office databases -
Manual entry of formation top picks into office databases -
Restricted sharing of geological information -
COMMON PROBLEMS COMMON DRAWBACKS
US
B K
EY
GEOLOGICAL APPLICATION
WELLSITE LOG
DOCUMENTINTERPRETED LITHOLOGY &
DESCRIPTIONS
OPERATIONAL COMMENTS
GEOLOGICAL APPLICATION
DATA STORE
MAUAL INPUT OF DATA INTO THE
DATA STORE
DELAYED AND LIMITED AVAILABILITY TO OFFICE
APPLICATIONSQA / QC OF OPERATIONS
DATA
The mudLog Object usage for Wellsite / Ops Geology
• Lithology
• Qualifiers
• Lithology Attributes
• Lithology Descriptions
• Formation Tops
• Chronostratigraphy
• Average SDL Data by Geological Interval
FORMATION TOP
WITSML Enabled Wellsite / Operations Geology Dataflow
WELLSITE OPS BASE
INTERPRETED LITHOLOGY &
DESCRIPTIONS
OPERATIONAL COMMENTS
DATA STOREWITSML SEVERSERVICE
COMPANY DATA
WITSML
LOG
OB
JEC
T MU
DLO
G O
BJE
CT M
UDLOG
OBJE
CT
OPS GEOLOGY APPLICATIONS
REAL TIME VIEWERS
MUDLOG OBJECT
GEOLOGICAL MODELS
PETROPHYSICAL APPLICATONS
QA / QC OF OPERATIONS DATA
Summarized Benefits of mudLog Object Usage
• Mudlog object usage accelerates the delivery of geological data to decision making applications
• Automate or semi-automate the update of geological models and prognosed formation tops
• Feed petrophysics tools and workflows as soon as geological information is available
• Report on operational data over a geological interval to determine formation characteristics
• Deliver important operational comments and parameters
• Sharing and integration of geological prognosis, wellsite interpretations and cuttings lithology
• Standardized sharing of geological data eliminates inaccuracy