Developing Alternatives to Pipeline Cleaning

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Developing Alternatives to Improve Pipeline Cleaning

Efficiency

L. Keith McLeroy-Technical Advisor

Pipeline ervices

2013 Schlumberger. All rights reserved.

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An asterisk is used throughout this presentation to denote a mark of Schlumberger.

Other company product and service names are the properties of their respective o!ners.

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$ntroduction

Online and offline pipeline chemical cleaning run inefficiency is a

ma%or cause of cost increases inn online and offline pipeline chemical

cleaning pro%ects.

.

evaluation methods and chemical products that dramatically

improve the efficiency of pipeline chemical cleaning runs.

2. (echni)ues have been established for handling processing and

disposing of !aste materials from the cleaning runs.

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*hy clean a pipeline+

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*hat makes a line unpiggable+

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,re)uent -ifficulties !ith hemical &ipeline leaning

(he standard industry applications have been to use pipeline

cleaning product lines !ith an oil soluble based product for dry gaslines and a !ater soluble product for !et gas lines

Oil based

*ater based

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eading !ith hemistry

4ind Set &hilosophy

5ngineered Solutions

Analytical Approach

leaning &rotocol -evelopment

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Have hydrocarbon, water or alcohol soluble productsavailable

Products are blended co-solvents, surfactants and

dispersants

Appropriate cleaning product is chosen using bench

&ipelie leaning hemicals

Products are capable of fit to form for any situation

High product concentration allows for smaller runs

High product performance allows for fewer runs

Cleaning chemicals have a proven track record

New product R&D is ongoing

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Biodegradable gel technology is patent pending

Theoretically no line with valves and flow restrictions

is unpiggablePushing gel with various types of pigs or fluids isroutinely how applied

7el &igs

u w utrial

Two innovative gel pig applications:

1. ILI Tool brake wall (In-Line Inspection)

2. Encapsulating an ILI Tool

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ase Study

(hirty (hree 8339 4ile (en 8109 $nch -ry 7as ine

,lo! !as :;12 4illion cf"day at 6

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ase Study -ata

1. *ater !et solids accumulation is likely due to a history of glycol

to!er upsets the t!o river crossings of the lines and numerousdents that prevented continuous pig runs.

2. $n de th anal ses of the solids demonstrated that diesel !as not

an acceptable choice as a carrier.3. (he e>changing of information bet!een chemists field staff and

engineers !as organi'ed and allo!ed for improved response to

the client?s specific needs.

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*aste @andling

&igging y;&roducts

-isposal osts

$ntegration of hemicals and Specific &rocessing 5)uipment

ost

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onclusions

&ioneering approach called eading !ith hemistry

Analytical Solutions to ,oulant 4aterial

ustomi'ed &rotocols

=uestions+

(hank Cou

Deith 4ceroylmcleroyEslb.com

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