DDR Drilling and Well model Status – core group meeting.

DDR Drilling and Well model

Status – core group meeting

© Det Norske Veritas AS. All rights reserved.

14 January 2011

2

Re-use of existing drilling and well model

WELL COMPLETION

WELL COMPLETION STRING HANDLING

COA

COFO

Activities related to making up/testing/running/ landing/pulling of the completion string /tailpipe and/or production tubing, including setting and testing of production packer(s) run in conjunction with the string.

An assembly of downhole tubulars and equipment required to enable safe and efficient production from an oil or gas well.

WELL CASING

http://www.osh.dol.govt.nz/publications/booklets/geothermalwells2005/pg2.shtml

COFO

COIPO

COIPO

WELL COMPLETION

STRING CLASS

WELL TUBING

WELL CASING ASSEMBLY

WELL COMPLETION

ASSEMBLY

WELL TUBING ASSEMBLY

COFO

WELL LINER

WELL LINER ASSEMBLY

COIPOCOIPO

COFO

WELL CONDUCTOR

CASING

WELL SURFACE CASING

WELL INTERMEDIATE

CASING

WELL PRODUCTION

CASING

WELL CONDUCTOR

CASING ASSEMBLY

WELL SURFACE CASING

ASSEMBLY

WELL ASSEMBLY

WELL PRODUCTION

CASING ASSEMBLY

WELL INTERMEDIATE

CASING ASSEMBLY


14 January 2011

3

Extending the drilling and well model with activities, runs and periods

WELLBORE

DRILLING ACTIVITY #N-1

DRILLING ACTIVITY #N

DRILLING ACTIVITY #N+2

BIT RUN IN REPORTING PERIODHOURS DRILLED IN REPORTING PERIOD

DEPTH AT START DRILLING ACTIVITY #N


BIT NNN RUN #j+1

BIT MMM RUN #i+1

BIT MMM RUN #i

BIT NNN RUN #j

BIT MMM RUN #i-1DRILLING ACTIVITY #N-3

DRILLING ACTIVITY #N+3


REPORTING PERIOD #mHOURS DRILLED DURING RUN

HOLE MADE DURING DRILLING ACTIVITY #N

DEPTH AT END DRILLING ACTIVITY #N

BIT NNN RUN #j+2

DEPTH AT END DRILLING REPORT PERIOD #m

DEPTH AT START DRILLING REPORT PERIOD #m

HOLE MADE DURING DRILLING REPORT PERIOD

REPORTING PERIOD #n

REPORTING PERIOD #p

A REPORTING PERIOD in this context is by definition fixed to be 24 hours. Starting times may however differ, e.g. 00:00, or 06:00.

REPORTING PERIOD #o

REPORTING PERIOD #n


14 January 2011

4

Main classes and individuals

WELLBORE DRILLING

ROCK DRILL BIT

THE ACTUAL WELLBORE

WELL CASING STRING

THE ACTUAL WELL CASING

STRING

LINING

THE ACTUAL LINING

WELL TUBING

THE ACTUAL WELL TUBING

DRILLING RIG

THE ACTUAL RIG #NN

CEMENT GROUT

THE ACTUAL CEMENT GROUT

WELLBORE CEMENTING

WELLBORE

(New entity type)

THE ACTUAL REPORT

REPORT

THE ACTUAL WELLBORE CEMENTING

THE ACTUAL ROCK DRILL BIT

THE ACTUAL WELLBORE

DRILL BIT RUN

CEMENTING

DRILLING CEMENTING EQUIPMENT CLASS

ARTEFACT CLASS

BOREHOLE

(New entity type)

HOLE

DRILL BITCASING

ACTIVITY

WELL CASING ACTIVITY


ACTIVITY

WELL CASINGWELL CASING

ASSEMBLY



ASSEMBLY

WELLBORE CEMENT GROUT

REPORTING PERIOD

WELLBORE DRILL BIT RUN


14 January 2011

5

Design Basis – not all concepts belonging to a section belongs logically to the physical item the section groups information about

Bit Data Section- The following entries are concerned with the “drill bit”

- Size (in)- Model- Dull grade

- The following entries are concerned with the “activity”- Hours drilled (hrs)- Hours drilled (Run) (hrs)- Bit/Run number

- The following entries are concerned with the “hole”- ROP (m/hr)- Total ROP (m/hr)- Total Hole Made (Run) (m)- Total Hours drilled (Run) (hrs)- Hole Made (Run) (m)- MD ln (mKB)- MD Out (mKB)


14 January 2011

6

DDR “Drill bit” = ROCK DRILL BIT

ROCK DRILL BIT

DRILL BIT

CORE DRILL BITDIAMOND DRILL

BITFIXED CUTTER

DRILL BITROCK DRILL BIT

14 3/4 NSROCK DRILL BIT

36 NSROLLER CONE

DRILL BITSCREWTYPE

DRILL BITDULL ROCK DRILL BIT

THE WELLBORE DRILL BIT

ACME INC. WIDGET ALPHA

NS 14 3/4 NS

ROCK DRILL BIT 14 3/4 NS

13 3/4

COID

ACME INC. WIDGET ALPHA

COID


14 January 2011

7

“OBJECT IN FOCUS”

Modelling and mapping example - DDR Rock Drill Bit Size (in)

Size (in)

COCOId

DAILY DRILLING REPORT ROCK DRILL BIT SIZE CODE ASSIGNMENT CLASS

representedpattern

COId

ROCK DRILL BIT 14 3/4 NS

14 3/4

DAILY DRILLING REPORT ROCK DRILL BIT SIZE CODE

STRING CLASS

DAILY DRILLING REPORT ROCK DRILL BIT CLASS

ROCK DRILL BIT????? BIT

ARTEFACT

DRILL BIT

DDR ROCK DRILL BIT SIZE TEMPLATE SIGNATURE

A ‘template input list’ that is the input required to state the nominal size of an actual ‘wellbore drill bit’. Role 1: The identifier for the actual ‘wellbore drill bit’, Role 2: The size code of the actual ‘wellbore drill bit’. The SW shall create the anonymous object and make it a subclass of the COIPO corresponding to the size code, and make the actual ‘wellbore drill bit’ a member of the anonymous class.

The wellbore drill bit


14 January 2011

8

Status Overall: The reference data modelling effort is well on its way

Issues- The model puts on some restrictions

- Relationships and classes of relationships have to have their ends defined- Most “properties” and “attributes” are relationships- We therefore need to put a taxonomy of “objects” in place before we can start to deal with “attributes” and “properties”

- Alignment of data from previous projects- In principle all “properties” and “attributes” have been dealt with as “objects”

- There were not sufficient resources and experience available at the time when much of the data was migrated from Snapshot E (which did not make this (necessary distinction)

- Template methodology was not in place. Data that should have been templates were therefore put other places- Most of the data is well defined, it just needs a different home- Some inconsistent naming and scope across projects made it hard to get a grip on what was there from before so that all

the data from the IIP, DDR, and DPR projects can be used together- But a substantial set of data is there and is well defined- Migration to other entity types is required in some areas. This has been done to the extent necessary.

- A substantial effort has gone into making this consistent, and we now have a good staring point- Developing and extending the current well/wellbore model has been required in order to put a model for

both objects and activities in place


14 January 2011

9

Safeguarding life, property and the environment

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DDR Drilling and Well model Status – core group meeting.

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