H2prO HMS Water Management Service Treated Water for Reuse

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Case History

H2prO HMS Water Management Service Treated Water for Reuse Electrocoagulation technology reduced operating costs by 20% 300

Benefits „„Performed

250

two, 2-day fracture jobs

per week „„Dramatically

reduced freshwater demand, produced water, and operating expenses

„„Provided

environmentally friendly products

„„Met

regulatory guidelines

200

150

100

Background and challenges „„Wells

in Reagan and Irion counties, Texas

„„Treat

produced, fracture flowback, and drilling waste water for reuse in a fracture fluid fracture job included more than 500,000 gal (1893 m3) of water and 500,000 lbm (226 796 kg) of fracture sand across six stages

50

0 Transportation (truckloads)

Disposal (truckloads)

„„Each

Baker Hughes solution and results „„The

H2prO HMS Water Management Service successfully and costeffectively treated the produced, fracture flowback, and drilling waste water just enough for reuse

„„Formulated

cross-linked polysaccharide-based fracture fluid using 100% of waste streams generated

„„Approximately

16,000 bbl (1907 m3) of treated water reused to complete a six-stage fracture that resulted in higher initial production than the field average

Before H2prO HMS service

A West Texas operator was using fresh water for hydraulic fracturing while fracture flowback water with drilling waste was being trucked off to disposal sites. To reduce freshwater consumption and disposal costs, Baker Hughes proposed its H2prO™ HMS Water Management Service, which uses an innovative, patentpending electrocoagulation technology to remove heavy metals and suspended solids from the water. The H2prO HMS service was a practical and cost-effective method for treating produced, fracture flowback and drilling waste water to achieve the operator’s required technical and economic goals.

Fresh Water Needed (truckloads)

Well Production (bbl)

With H2prO HMS service

The treated water was comprehensively tested and a crosslinked polysaccharidebased fracture fluid was formulated using 100% of the operator’s waste streams. The newly formulated treatment was pumped at rates of 60 to 65 BPM throughout a six-stage fracture at treating pressures of 5,000 to 5,500 psi (34 to 38 MPa). Initial resulting production was 75 B/D (12 m3/d), slightly higher than the expected field average. At the same time, transportation and disposal costs were reduced by 98%, freshwater usage was reduced by 50%, and overall operating costs were reduced by 20%.

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© 2012 Baker Hughes Incorporated. All rights reserved. 36589 7/2012