<_x0034_00265372>

400265372 05A 46290 K P KAUFFMAN COMPANY INC

1675 BROADWAY, STE 2800

DENVER CO 80202 Susana Lara-Mesa 303 825-4822 303 825-4822 Susana Lara-Mesa Engineering Project Mgr 2012-03-27T11:55:14.737-06:00 DRAFT bmobley 2012-03-27T11:55:14.737-06:00 bmobley slaramesa@kpk.com 0.00000 slaramesa@kpk.com slmesa slmesa 2012-04-12T14:51:47.393-06:00 400265372 05 123 35080 00 WELD Sunmarke 19-28-11 SESW 28 4N 67W 6 WATTENBERG 90750 400265372 400265372 FORM 5A SUBMITTED 400265372.pdf 400265372 NB-CD Y 7439 7454 45 N 3 Codell Frac Formation break 2950 psi and 3.48 bpm. ISIP 2967 psi, 1 min 2773 psi, 5 min 2436 psi, leakoff 337 psi. FR water pad 4431 psi @ 53.34 bpm. 0.25-075 ppg Ottawa 30/50 sand at 4431 psi at 53.34 bpm. 0.75-1.25 ppg Ottawa 30/50 sand at 4407 psi at 53.22 bpm 1.25-150 ppg 0ttawa 30/50 sand at 4348 psi at 53.18 bpm 1.50-1.75 ppg 0ttawa 30/50 sand at 4448 psi at 54.63 bpm Flush at 4576 psi at 51.43 bpm begin 15 % HCL acid at 3852 psi at 25.39 bpm. Resume flush at 4065 psi at26.13 bpm ISIP 3288 psi, 5 mi 3249 psi, 10 min 3221 psi Pumped 4487.5 bbls FR Water 3177.2 bbls Niobrara Frac Formation break at 3446 psi at 1.7 bpm. ISIP 3420 psi, 1 min 3303 psi, 5 min 3119 psi 0.25-0.75 ppg Ottawa sand 4710 psi at 5519 bpm 0.75-1.25 ppg Ottawa 30/50 sand at 4646 psi 55.04 bpm 1.25-1.50 ppg Ottawa 30/50 sand at 4689 psi 54.99 bpm 1.50-1.75 ppg Ottawa 30/50 sand at 4948 psi 54.08 bpm Shut down. ISIP 4235 psi. Pumped 5126 bbls FR Water 3934.0 bbls SLF Avg press 4801 psi, avg rate 54.81 bpm, max press 5904 psi, max rate 56.41 bpm 7 2012-04-07T00:00:00-06:00 24 30 75 6 Flowing 650 50 1316 SOLD 24 75 6 DRY 2012-03-29T00:00:00-06:00 2012-07-04T00:00:00-06:00 CM Thread was being aborted.