p&a - well statistics · 2018. 1. 17. · university of stavanger uis.no p&a - well...

University of Stavanger

uis.no

P&A - Well Statistics

Jon Oscar Spieler & Thomas Monge Øia

MSc Petroleum Technology - Well Engineering

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Plug & Abandonment Seminar – Sola 29.10.15

Methodology

Basis for study

Discussions with Plug and Abandonment Forum Aim to identify future P&A work

Contribute to a stronger focus on P&A

Study executed with authorities and the industry

Well data:

Snapshot of NPD database 28.02.15

Comparison with PSA well survey 2014

Final confirmation from operators

Outline:

Overview of present and future P&A scope of work (SOW)

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NPD – Map of the NCS

FAC T PA G E SNORWEGIAN PETROLEUM DIRECTORATE

3

Results – Well data

4

1611

1560

2597

Distribution of Wellbores on the NCS

Exploration Development Subsea Development Platform

Total Wellbores: 5768

Total Wells: 3637

Status Distribution of Wellbores on the NCS

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P&A Permanently plugged and abandoned

Active Producing

Drilling

Inactive Temporary abandoned

Reservoir abandoned

Permanently plugged (not abandoned)

Suspended

Not entered

Active2078

P&A3223

Inactive467

Total Wellbores:

5768

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Subsea58 %

Platform42 %

Cost Distribution for Facilities

Subsea43 %Platform

57 %

Wellbores to be Finished

Subsea43 %

Platform57 %

Wellbores to be Finished

Total Wellbores: 2545

11031442

P&A Operations – Well Statistics

Extent of future P&A operations

Temporary abandonment Assumed to be ready for P&A

Only a small number of wellbores are ready today

Next up:

Present P&A work on the NCS

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TP&A205

Res. Abandoned

18

Permanently Plugged (Not Abandonded)

129

Suspended8

Not entered107

Distribution of Wellbores From Inactive Group

Wellbores that are not ready to be abandoned: 115

TP&A205

Res. Abandoned18

Permanently Plugged (Not Abandonded)

129

Suspended8

Not entered107

Distribution of Wellbores From Inactive Group

Total Wellbores: 467

8

9

TP&A205

Res. Abandoned18

Permanently Plugged (Not Abandonded)

129

Distribution of Wellbores that are Readyto be P&A’ed

Total Wellbores: 352

10

Subsea130

Platform222

Wellbores Ready to be P&A’ed

Total Wellbores:352

11

71

5

54

0

10

20

30

40

50

60

70

80

TP&A Reservoir Abandoned Permanently Plugged (NotAbandoned)

We

llbo

res

Subsea Wellbores Ready to be P&A’edDistributed by Status

12

134

13

75

0

20

40

60

80

100

120

140

TP&A Reservoir Abandoned Permanently Plugged (NotAbandoned)

We

llbo

res

Platform Wellbores Ready to be P&A’edDistributed by Status

Next up: Future P&A work on the NCS

13

14

712

261

Future SOW - Subsea

1 088

132

Future SOW - Platform

Wells

MultilateralWellbores

Total wellbores: 973 Total Wellbores: 1220

Discussion

2545 wellbores to be P&A’ed at some point

352 wellbores are ready to be P&A’ed today 222 platform

130 subsea

Total P&A cost of 352 wellbores 43 Billion NOK

Time for new thinking Technology advances

Cooperation Models

Facilitation of common P&A campaigns

Plug the wells and reduce the

upcoming “Plugwave”

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Thomas Monge Øia – thomasoia89@gmail.com

Jon Oscar Spieler – jon.oscar.spieler@gmail.com

MSc Well Engineering

University of Stavanger

Thanks for Your Time and Attention!

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