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AFE Oil-CS 970522AF'E OIL'& GAS CONSULTANTS Telephone (972) 661-5959 Fax (972) 661-1618 5025 Arapaho Road Ste. 510 Dallas, TX 75248 May 22, 1997 Mr. Ken Griffm Director of Public Works & Engineering 255 Parkway Boulevard P.O. Box 478 RE: Disposal of treatment water (frac fluid) Dear Ken: Please find enclosed a "Water Analysis" of the ~ac fluid (after treating the Callejo #1). We would like to know if we can dispose of this type of fluid into the sewer system of Coppell. We expect the same type of fluid on the Callejo #2. Please let us know, and also, if there are any fees. ~fo~-~)vorin ?, BJ SERVICES C0_.M_MpANY WATER ANALYSIS #MW01WZ26 MINERAL WELLS LAB _ GEI~ERAL INFORMAT IOl~__ .= OPERATOR: i~E DEPTH: $147 WELL: CALL~'.3'O ~Z DATE SAMPLED: 03/14/97 FIELD: WILDCAT DATE RECEIVED: 03/14/97 SUBMITTED ~Y: BOB CARPENTER COUNTY: DALL.kS STATE: TX WOR!CED BY : JINEMY LAK~. FORMATION: BAR~;ETT SHALE PMO~ ~UMBEK: 8 !7 - -~ 28 - 1221 SAk'"~ LE DF..SCRII~TION SAMPLE WAS CAUGHT 2:00 PM 3-14-97 PH~/SICAL AND CHP. MIC~ DETERMI_NATIO~ SPECIFIC GR3kVITY: 1.02_~ ~ ~g~F DE: ~.00 ~SISTIVI~ (~~TED): 6.055 ohms ~ 75~F IRON (~E%+) : t0 ppm S~FATE: 17! ~pm ~CI~: 1,01g Dpm TO~'~ ~NESS 3,514 ppm ~GNEE !~: 237 ppm B I ~BONATE: 286 ppm C~iLORID~: 50~343 ppm SODI~4 C~LORID~(Caic) 82,815 ppm SODI~+POT~S: 42,153 ppm TOT. DISSOL~D SOLIDS: 96,4~6 ppm IODINE: POT~SI~ CHLORIDE~ CLORIDE~ ~ SLIGHTLY ~IG~ ~Y ~E GETTING I~O SO~ S~T WATER. FLUIU~ .~ SLIGHTLY VI~COU~ W~!CM INDI~TES MOSTLY F~C FLUIDS. STIFF TYPE PLOT (IN MEQ,,'L; 50 40 30 20 i0 0 10 20 30 40 50 N~KIf~ 4- .... + .... + .... + .... +'"*-+ .... + .... +-*--+ .... + .... + .... + .... + ~ Ca 10 + .... + .... ~- .... + .... + .... +-*--* .... + .... + .... + .... + .... + .... + HCO3 10 b~g t0 + .... 4- .... 4- .... + .... 4- ..... ~-~-** .... + .... + .... + .... + .... + .... + ~O4 10 t--'D -'---J-' - I "I - : -4 ,' .L, J- · t ..... 't- ..... so ~o ~o ~o .~o o zo ~o ~o ~o so