Mutual Solvents Solutions Customized for Maximum Production
Chemical Services
Drilling
Evaluation
Completion
Production
Intervention
Acidizing additives Biocides Cementing additives Completion additives Compression chemicals Drilling additives Engineered Chemistry ® services Analytical testing Capillary coiled-tubing testing Cement analysis Customized chemicals Drilling fuids testing Formation characteristic analysis Formation fuid analysis Pipeline chemical development Production chemical development Flow assurance Fracturing additives Odor control Pipeline chemicals Process chemicals Production chemicals Production intermediates ntermediates Recycling chemicals Scale control—mechanical Wastewater & water water treatment
®
Engineered Chemistry
Weatherford’s engineered solutions put you in control
Our investigative approach Weatherford Engineered Chemistry® experts identify the
Our Engineered Chemistry offering gives you single-source
problem, select the right solution, apply the solution
quality control: problem-solving, chemical analysis,
correctly, and then evaluate the results. Reducing your
manufacturing, formulation, application—everything.
costs and increasing ROI are real results we strive for.
How much damage?
Is it affecting injectivity?
Where is it located?
Formation damage?
Is it affecting productivity?
What is the damage?
Evaluate results
Apply solution
How was it caused?
Select solution
SOLUTION
Mutual Solvents
Expert formation-damage diagnosis results . . .
in targeted treatments for superior acid/mutual solvent performance
Our Engineered Chemistry ® services identify fouling mechanisms
WETSOL mutual solvents
Customize acid stimulation treatments with mutual solvents that enhance acid penetration.
Field-proven benets. Industry-recognized performance.
Mutual solvents clean and disperse heavy hydrocarbons
We work with you in reviewing the well les, including
WETSOL 1, WETSOL 2, WETSOL 3, WETSOL AX 205
In the process of increasing production with customized
• Pre-blended into various organic and inorganic acid packages
from formation rock surfaces. They act as non-emulsiers
chemical and acidizing treatment history. We look for
and WETSOL AX 207 are nonionic mutual solvents that
WETSOL systems, you’ll be reducing the need for
to reduce surface tension and water-wet the formation.
production-chemical incompatibilities (corrosion inhibitors,
contain no surfactants. These systems are compatible
workovers and avoiding lost production and downtime.
• Stimulation chemistry for removing water and condensate phase trapping in tight oil and gas wells
biocides, scale inhibitors) and review prior solvent
with virtually all formations and formation uids. You can
Whether used as stand-alone treatments or pre-blended
• Stimulation chemistry for breaking oil/brine emulsion blocks in reservoirs
An accurate diagnosis of formation damage is vital
selections that provided unsustainable incremental
maximize permeability and achieve optimal production
into various acid packages, WETSOL systems have an
• Prolonging time between workovers, accelerating payout
in preparing an effective treatment program.
production. Factors such as frequent hot-oiling, uctuation
rates with a unique combination of properties in
enviable track record in remediating skin damage in both
Weatherford’s stimulation experts are highly trained
of uid levels, plant upsets and more all come into play.
WETSOL systems that can acomplish the following:
hydrocarbon-bearing and water-injection wells.
and experienced in analyzing formation damage and customizing solutions.
WETSOL system applications
• Water-wet formation nes Once the challenge has been dened, Weatherford
• Strip oil coatings
formulates a stimulation program, drawing from the
• Remove water blocks
Symptoms of Formation Damage
WETSOL mutual solvents product line.
• Reduce surface and interfacial tensions
• Sudden production decline not
• Prevent and/or break emulsions • Reduce oil viscosity and sludging
• Injection decline
• Maintain miscibility with other stimulation uids • Avoid absorption onto the for mation face • Remove damage induced by oil and water-based
consistent with reservoir depletion Oil Wet versus Water Wet
• Organic or inorganic deposition • Fluctuation of uid levels Corrosion-based Scale
drilling or fracturing uids
Formation damage identified
Mineral Scale
Oil-coated Scale
© 2012Weatherford. Allrights reserved.
Mutual Solvents Engineered Chemistry ®
Weatherford combines exceptional strength and experience in analytical chemistry and applications with an intimate knowledge of well construction, surface facilities and formation evaluation. This advantage gives us extraordinary insight in dealing with challenges posed by formation damage. Our single-source capabilities ensure you of high-quality products and maximum efciency of services. From research to manufacturing and product selection to distribution and application, we design and deliver custom chemical formulations that work. Discover how we can help you. Contact a Weatherford representative at weatherford.force.com/CPP.
Mutual Solvents Engineered Chemistry ®
Weatherford combines exceptional strength and experience in analytical chemistry and applications with an intimate knowledge of well construction, surface facilities and formation evaluation. This advantage gives us extraordinary insight in dealing with challenges posed by formation damage. Our single-source capabilities ensure you of high-quality products and maximum efciency of services. From research to manufacturing and product selection to distribution and application, we design and deliver custom chemical formulations that work. Discover how we can help you. Contact a Weatherford representative at weatherford.force.com/CPP.
weatherford.com
© 2012 Weatherford. All rights reserved.
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The information contained herein was accurate and reliable to the best of our knowledge at the time this document was prepared. The material is supplied solely for information purposes, and Weatherford makes no guarantees or warranties, expressed or implied, with respect to its accuracy. Ensuring the completeness and accuracy of such information is the responsibility of the user of this product. Always consult the Material Safety Data Sheet for this product before use. Weatherford products and services are subject to the Company’s standard terms and conditions, available on request or at weatherford.com. For more information contact an authorized Weatherford repre sentative. Unless noted otherwise, trademarks and service marks herein are the property of Weatherford and may be registered in the United States and/or other countries. Weatherford products named herein may be protected by one or more U.S. and/or foreign patents. For more information, contact
[email protected]. Specications are subject to change without notice. Weatherford sells its products and services in accordance with the terms and conditions set forth in the applicable contract between Weatherford and the client.
