The Evolution of Professional Education in Scotland: The Aberdeen Question.
April 21 2015 Aberdeen Scotland - spe-uk.org · Aberdeen Scotland l -t. ... 1 Note: Many decisions...
Transcript of April 21 2015 Aberdeen Scotland - spe-uk.org · Aberdeen Scotland l -t. ... 1 Note: Many decisions...
The 5th European Well Abandonment Seminar
April 21st 2015
Aberdeen Scotland
Se
cu
rity
Cla
ssific
ation: In
tern
al -
Sta
tus: D
raft
Existing Capabilities and Methods enabling rig less Plug and Abandonment
Steinar Strøm
Leading Advisor Plug and Abandonment, Statoil
Background
A significant increase in time consumption per Permanent P&A operation in 2004
Average PP&A activities ahead of us:
2015-2019: On average 2 fixed rig/yr
2020-2030: On average 1-2 MOU and 2-3 fixed
units
2030-2040: On average 2-3 MOU and 3-4 fixed
units
Huge amount of Permanent P&A activities
ahead of us
Rigs per year in PP&A
Improvement effort needs to address the major «time thieves»
1 Note: Many decisions are made based on lack of ‘hard facts’
Casing, trip and milling 80% of
time
Focus areas for
P&A improvement
• Minimize retrieval of old tubulars
• Minimize tripping
• Taking existing methods and technology into daily use
• Contribute to development of new game changing technology
External
orientation and
exp. transfer
• Look for the best/most effective solutions Connect with authorities and technology providers to understand experience and verification requirements
Ongoing programs
and studies
• Program: P&A Qualification Program1
• Project: ‘Evaluation of flow potential in overburden zones’
Technology status
5
Three approaches to P&A to be implemented over time
Year of
implementation
2015 2016 2018 (?)
High
Low
Approach #1
Approach #2
Approach #3
Disruptive technologies (e.g. plasma) To be implemented in 3-5 years
«Technical Limit» P&A To be implemented in 2015
«Extreme Concept» P&A
«Improvement» P&A Best practice by end of 2014
Deg
ree
of
chan
ge
2014
P&A road map
Dry wells
Integrated platform
Wellhead platform
Subsea wells
‘Online’ rig work
Jack up (Huldra)
or MDR (Heimdal)
LWI to secure
wells, PP&A
with MOU
‘Offline’ P&A work
Example only
PP&A performed with
Coiled Tubing (or similar)
Light rig, cost efficient
Tender Support solution
P&A from dedicated,
purpose built vessel Dedicated
P&A rig, final
stage of P&A
from vessel
Te
chnolo
gy s
tep;
all
rem
oval of
casin
gs
without
BO
P
Natu
ral develo
pm
ent
of
less c
ostly s
olu
tions
Dedicated MDR (or similar),
working across asset borders
Acknowledgements / Thank You / Questions
Slide 8