Attachment 2 - Salient Characteristics for Drilling Chemicals.pdf

Salient Characteristics for Specified Chemical Items Listed in Bill of Materials (BOM)

Wetting Agent

- Water miscible, non-ionic wetting agent is designed to help counteract the sticking tendencies of clay o Package size: 5 gallons o Requested quantity: 25 o Specific gravity: 0.98 o pH (1%) solution: 6.0-8.0 o Flash point: >300 degrees Fahrenheit o Reduces or eliminates bit balling o Reduces surface tension of drilling fluid, which allows faster chip removal without continuously grinding the hard shale formations o Improves drilling efficiency by preferentially coating the bottom-hole assembly and drill string o Minimizes differential sticking

Highly Dispersible Low Viscosity Filtration

- Highly dispersible, low viscosity grade, polyanionic cellulosic (PAC) polymer provides enhanced filtration control in most water-based drilling fluids. When added to a bentonite based drilling fluid, yields a low filtrate drilling fluid system with manageable viscosity suitable for drilling in water sensitive and unstable formations o Package size: 20 lbs o Requested quantity: 40 o Specific gravity: 0.98 o pH (1%) solution: 9.5 o Reduces or eliminates bit balling o Reduces surface tension of drilling fluid, which allows faster chip removal without continuously grinding the hard shale formations o Improves drilling efficiency by preferentially coating the bottom-hole assembly and drill string o Minimizes differential sticking

Polymer Emulsion

- Liquid polymer emulsion that contains partially hydrolyzed polyacrylamide/polyacrylate (PHPA) copolymer.

o Package size: 5 gallons o Requested quantity: 13 o Density: 8.4 lb/gal o pH (1%) solution: 8.5 o Flash point: >200 degrees Fahrenheit o Thermal Stability: 250 degrees Fahrenheit o Stabilizes reactive shale and clay formations o Improves drilling efficiency in multiple disciplines such as Water Well, Minerals o Enhances slurry rheological properties o Alleviates mud rings, bit balling and booting-off in clay formations o Reduces drill pipe torque and pumping pressure o Minimizes rod chatter in diamond core drilling o Creates "stiff-foam" and maintain foam integrity o Flocculates non-reactive solids in reserve pit at low concentrations

Clay/Shale Stabilizer

- Clay and shale stabilizer that provides inhibition of clay and shale formations in water-based drilling fluids without substantially increasing viscosity. This stabilizer, when added to a slurry, must yield an inhibitive drilling fluid system while maintaining manageable and effective fluid properties.

o Package size: 10 gallons o Requested quantity: 50 o Bulk Density: 52 lb/cu ft o pH (1%) solution: 7.75 o NSF/ANSI Standard 60 certified o Enhanced rheological properties of a low-solids drilling mud o Clay and shale stabilization to prevent swelling and/or dispersion o Borehole stability in water sensitive formations o Minimized rotational torque and circulating pressure o Enhancement of air-foam system capabilities o Enhanced core recovery in continuous wireline coring operations

Viscosifier

- Viscosifier is an easy-to-mix, finely ground (200-mesh), premium-grade, high-yielding Wyoming sodium bentonite.

o Package size: 50 lb bags o Requested quantity: 375 o Bulk Density: 68-72 (compacted) o pH (3%) solution: 8.9 o NSF/ANSI Standard 60 certified o Mix with fresh water to form a low-solids drilling fluid for general drilling applications o Viscosifies water-based drilling fluids o Reduces filtration by forming a thin filter cake with low permeability o Improves hole-cleaning capability of drilling fluids o Mixes with foaming agents to make "gel/foam" drilling fluids for air/foam drilling applications

Sealing & Plugging Agent

- Sealing and plugging agent is a granular (8-mesh), natural Wyoming sodium bentonite for use in sealing and grouting well casings and earthen structures.

o Package size: 50 lb bags o Requested quantity: 250 o Dry screen analysis: 85% as 8 mesh o Permeability: less than 1 x 10-8cm/sec (in fresh water) o Specific Gravity: 2.6 o Volume (ft3/sack): 0.7 (as packaged) o NSF/ANSI Standard 60 certified o Seals or grouts plastic or steel casings in monitor and water well construction o Seals or plugs abandoned boreholes o Seals leaking ponds, ditches and dams o Provides soil stabilization o Aids in controlling loss of circulation

Alkalinity Agent

- Granular powder primarily used to help condition and soften make-up water and raise pH o Package size: 50 lb bags o Requested quantity: 75 o Bulk Density: 57-65 lb/cuft o pH of 5% solution: 11.5 o NSF/ANSI Standard 60 certified o Treats out calcium hardness in make-up water o Raises pH o Eliminates calcium ions by converting to insoluble carbonate

Phosphate Free Dispersant

- Concentrated liquid polymer is a dispersant that provides superior mud and sediment removal from the producing formation and gravel pack.

o Package size: 5 gallons o Requested quantity: 15 o Specific gravity: 1.2-1.4 o pH neat: 6.5-7.5 o NSF/ANSI Standard 60 certified o Helps to reduce development time o Helps to increase well yield and capacity o Safe to use on most plastics, rubber and metals o Non-fermenting

Graded Sodium Bentonite

- Sodium bentonite is a naturally occurring Wyoming sodium bentonite clay that is sized and graded chip material used to seal and plug earthen boreholes.

o Graded to 3/8” bentonite chips o Package size: 50 lb bags o Requested quantity: 50 o Permeability: 1.5 x 10-9 cm/sec (in fresh water) o NSF/ANSI Standard 60 certified o Prevents entry of surface water into boreholes o In situ swelling to provide a superior seal with excellent casing stabilization o Easier to apply than pellets o Simple to apply, mixing not required o Helps prevent vertical movement of fluids in the hole between porous zones o Helps form a permanent, flexible downhole seal o Helps allow hole re-entry o Rehydratable