I wonder…

Prototypes =

Expensive

Less advanced

systems=

Lower cost

The drilling way=

Heavy tools

It is time to define

«the norwegian way

of doing P&A»(all parts of the industry

involved)

Plug and Abandonment Forum

“Slim concept for pulling tubulars”

7

Dwellop = Development of well operations

DELIVERING EQUIPMENT EFFICIENCY FOR 25 YEARS

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• Founded as JMC in 1989 – Bought by ODIM 2007 – Bought by Rolls Royce 2010 – Dwellop 2014

• Specializes in delivering innovative efficient well intervention and P&A equipment

• Product range from Simple CT and WL equipment to full size Mobile Drilling Units

• Highest focus on the overall cost

Choosing the correct tool?

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Substantial upgrade cost

Too big?

Dwellops contribution to a P&A operation sequence

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RESERVOIR DIAGNOSTICS

•WIRELINE

PULL COMPLETION TUBING

•P&A UNIT

•WORK OVER UNIT

WELLBORE ISOLATION AND MILLING

•WORK OVER UNIT

CUT/PULL CONDUCTORS

•P&A UNIT

•WORK OVER UNIT

Dwellop P&A Unit

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Dwellop P&A Unit

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• Low day rates

• Low POB / 3-4 people

• Fully skid able

• Fast mobilization/demobilization

• Compact design

• Modularized to be lifted with

existing platform cranes

• Limited interface

Dwellop P&A Unit

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• Cutting And pulling unit / Jack

• Rotation table on jack

• Optional top drive for milling

• NORSOK compliant remote

operated pipe handling

• Interface to mud system and

circulation setups

• Control cabin

acc. to S-002

Dwellop P&A Unit - Operations

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• Plug & Abandonment w/ CT&WL

• Slot recovery w/ CT&WL

• Casing and conductor recovery

• Tripping pipe

Line of sight from operator’s cabin

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Pipe rack capacity for one well

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Suitable for CT and WL operations

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• The A-frame of the P&A unit is equipped for

rigging up the wire line lubricator stack for running

slick line

• Optional multiple pad eyes and extra winch for

running E-line operations or braided wires with

different sheave dimensions.

• CT jacking frame fits on

Dwellop Work Over Unit

• NORSOK pipe handling

• 250 MT Rack & pinion drive, highly accurate

• Top drive

• Cabin with 2 ea cyber chairs

• CE marked

• NORSOK built

• Onshore drilling at the moment

18Dwellop WOU.wmv

Work Over Unit (WOU) Possible Operations

• Work Over

• Plug & Abandonment

• Slot recovery

• Pulling/Cutting of old casing/tubing

• Set new casing/tubing

• ESP change-out

• Setting whip stock and drill shorter

side tracks.

• Wire line / coiled tubing work

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Work Over Rig – old derrick removed

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Your alternatives for NCS platforms

Platform upgrade Jack up Work Over Unit P&A unit100 millions USD 300.000+USD/day 60.000 USD/day 25.000 USD/day

1 2 3 4

SIMOPS for P&A

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• Lower day rates

• Lower POB on extra unit

• Skid able

• Fast mobilization/demobilization

• Compact design

• Modularized to be lifted with existing

platform cranes

• Reducing Platform campaign time

SIMOPS Increased efficiency

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RESERVOIR DIAGNOSTICS

•WIRELINE

PULL COMPLETION TUBING

•P&A UNIT

•WORK OVER UNIT

WELLBORE ISOLATION AND MILLING

•WORK OVER UNIT

CUT/PULL CONDUCTORS

•P&A UNIT

•WORK OVER UNIT

Pull completion tubing

• SIMOPS RunningP&A UNIT And platform RIG

Cut/PullConductors

• SIMOPS RunningP&A UNIT And platform RIG

Cut/Pull Conductors

• SIMOPS RunningP&A UNIT And platform JACK UP

SIMOPSINCREASED

EFFICIENCY

SIMOPS Savings

Running SIMOP-Simultaneous Operations can save potential 8 days per well of

operation, and a 35 % cost reduction to the operation.

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Operation method USD/DAYOne well

Days Cost (USD)

Alternative 1, Existing Drilling Rig 200 000 20 4 000 000

Alternative 2, Existing Drilling Rig 200 000 12 2 400 000

Alternative 2, Dwellop P&A Unit 25 000 8 200 000

Alternative 2, SUM cost SIMOPS 12 2 600 000

Savings 8 1 400 000

Dwellop cantilevered solutions

26CT Light Cantilever.wmv

Liftboat/cantilever for wellheads and shallow waters

(SNS)

• High mobility

• Fast rigup (pre rigged and tested)

• Low day rates

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Thank you for your attention