Mudlog Object - Pilot Samit Sengupta

Analysis of Business Process Rig Rig Server HTTP Mudloggers or WSG Server Cuttings lithology & show Screens descriptions, calcimetry , shale density On-line plots Contractor Reports Drilling (DOC, XLS) Real-time Analysis Sensors Log Image (PDF, PDS) HTTP Engineer Raw Comments & Reports (DOC, XLS) Data Observations Data Multiplex Mudlogger’s Time Log Image Edited (PDF, TIFF) Database disk Depth Samples/ Geol Data File (ASCII, LAS) Cores Ops transported /FE Bus. Unit Data from disk wellsite Generalized Data Flow Model (Changes with time, technology and organizational roles) WSG Lithology & Show Descriptions from SWC and cores Network WITS E-Mail, WSG Wellsite Reports (DOC, XLS) HTTP Comments & Observations HTTP Geologist Log Image (PDF) QA/QC HTTP Archive Screens Memory Real-time On-line plots Tools Data HTTP Ext Links Raw Engineer Reports (DOC, XLS) Data Comments & Data LWD/MWD Observations Log Image disk Multiplex (PDF, PDS, Database Edited TIFF) Gov Partners/ Data File (ASCII, LAS) Tools Engineer Data Raw Comments & Data Observations Log Image disk Wireline Edited (PDF, PDS) Multiplex Database Data File (DLIS, LAS) Real-time Screens On-line plots Rig Server

Mudlog data content Approximately 175 types of information Gas & Hydrocarbon Data hydrocarbon shows; staining, fluorescence, cut total gas, gas chromatograph analysis (component concentrations), gas ratios H2S & CO2 Mud Data composition, volume, temp, resistivity, mud wt (in/out) Drilling & Operation Data hole depth, ROP bit info: bit trips, type, no.,WOB, RPM drilling parameter changes, drilling rate exponent pump pressure, mud rate, mud pump stroke counts coring points, DST, LOT MWD / LWD Cuttings & Lithologic Data lith description rock type, color, texture etc., visual porosity interpreted log and lithology percentage log

WITSML Mudlog Object Log Object Mudlog Extension Mudlog Object

Mudlog Object Pilot Objectives RIG OFFICE Real-time Viewer Real-time Sensor data Lagged Sensor data Real-time object WITSML Rig Server WITSML Office Server Lagged curves (log object), Lithology, descriptions (mudlog object) Corporate Datastore Curves Mudlog Object Mudlog Application Office Application Lithology Descriptions Annotations

 Mudlog Object Pilot (1st Pass) RIG OFFICE Real-time Viewer Sensor data Lagged Sensor data Rig Server Real-time object Lagged curves (log object), Lithology, descriptions (mudlog object) WITSML Rig Server WITSML Office Server Office Server Mudlog Object Log object Corporate Datastore Curves Mudlog Application Office Application Lithology Descriptions Annotations

Pilot Prerequisites Data elements supported by WITSML objects? Objects supported by vendors? Level of support by vendors? WITSML version File transfer only or API support Clear objectives - expected outcomes Connectivity & Infrastructure requirements? Funding?

Next Steps Mudlog object extension incorporated Release Candidate 1.3 Pilot Release 1.3 Evaluate use of mudlog object for other purposes such as Geological Report.

Mudlog Object Demonstration S D C Geologix Mudlog Object Demonstration Using GEO & Sitecom

Use of Mudlog object in GEO Finish! Map lithology names Select curves to load Connect to Server Select Well/Wellbore/Data to load Start Wizard The mudlog is created by loading log and mudlog objects directly from a remote WITSML server.

Thank - You

Workflow Mapping Service Provider Application Vendor Operator Destination Operator Service Provider Source Application Vendor