KILLSHEET (1)IWCF CERTIFICATION TESTDATEWELL NAMESURFACE BOP KILL SHEETCOMPILED BYFIELDFORMATION STRENGTH DATACURRENT WELL DATASURFACE LEAK-OFF PRESSURE FROMFORMATION STRENGTH TEST(A)PSIDRILLING FLUID DATADENSITYPPGDRILLING FLUID DENS. AT TEST(B)PPGGRADIENTPSI/FTMAX. ALLOWABLE DRILLING FLUID DENSITY =(B) -(A) =(C)PPG0.052 x SHOE TV DEPTHINITIAL M.A.A.S.P =((C) - CURR. DENS.) x SHOE TVD x 0.052CASING & SHOE DATA.=PSISIZEINM. DEPTHFTMUD PUMP OUTPUTT.V. DEPTHFTPUMP # 1 DISPL.PUMP # 2 DISPL.PUMP #3 DISPL0.06119 BBL / STK0.06119 BBL / STK0.06119 BBL/STKHOLE DATASLOW PUMP RATESSIZEINSLOW PUMPDYNAMIC PRESSURE LOSSM. DEPTHFTRATEPUMP # 1PUMP # 2PUMP # 3T.V. DEPTHFTSPMPSIPSIPSISPMPSIPSIPSIPRE-RECORDEDLENGTHCAPACITYVOLUMEPUMP STROKESTIME MIN:VOLUME DATAFTBBL/FTBBL# 1 # 2# 3# 1 # 2 # 3DRILL PIPE0.01442HEVI WATE0.008833DRILL COLLAR0.007DRILL STRING VOLUME(D)D/C x OPEN HOLE0.0291D/P HWDP x OPEN HOLE0.0505OPEN HOLE VOLUME(F)D/P x CASING0.0576TOTAL ANNULUS VOLUME(F+G)=HTOTAL WELL SYSTEM VOL(D+H)=IACTIVE SURFACE VOLUMEJTOTAL ACTIVE FLUID VOLUME(I+J)Terry SmithIWCF CERTIFICATION TESTDATEWELL NAMESURFACE BOP KILL SHEETCOMPILED BYFIELD1BBL = 42 US GAL.KICK DATASHUT IN DRILL PIPE PRESSUREPSISHUT IN CASING PRESSUREPSIPIT GAINBBLKILL FLUID DENSITYCURRENT DRILLING FLUID DENSITY +SIDPPTVDx.052....+..x .052 =PPGKILL FLUID GRADIENTCURRENT DRILLING FLUID GRADIENT +SIDPPTVD....+.. =.PSI/FTINITIAL CIRCULATING PRESSURE .ICP.DYNAMIC PRESSURE LOSS + SIDPP.+..=PSIFINAL CIRCULATING PRESSURE . FCP.KILL FLUID DENSITYxDYNAMIC PRESS LOSSCURRENT DRILLING FLUID DENSITY..x....=PSIFINAL CIRCULATING PRESSURE . FCP.KILL FLUID DENSITYxDYNAMIC PRESS LOSSCURRENT DRILLING FLUID DENSITY..x....=PSI(K) = ICP- FCP=.-..=.PSI(K) X 100 = ..X 100=.PSI/100 STKs(E)PRESSURESTROKES0

KILLSHEET (1)

PRESSURE REDUCTION

KILL SHEET IWCF CERTIFICATION TESTDATE10/21/02WELL NAMEBILIP # 1SURFACE BOP KILL SHEETCOMPILED BYRJ O'Brien400200FIELDPNGFORMATION STRENGTH DATACURRENT WELL DATASURFACE LEAK-OFF PRESSURE FROMFORMATION STRENGTH TEST(A)850PSIDRILLING FLUID DATADENSITY8.6PPGDRILLING FLUID DENS. AT TEST(B)8.4PPGGRADIENT0.4472PSI/FTMAX. ALLOWABLE DRILLING FLUID DENSITY =(B) +(A) =(C)28.33PPG0.052 x SHOE TV DEPTHINITIAL M.A.A.S.P =((C) - CURR. DENS.) x SHOE TVD x 0.052CASING & SHOE DATA.=841.47PSISIZE20INM. DEPTH820FTMUD PUMP OUTPUTT.V. DEPTH820FTPUMP # 1 DISPL.PUMP # 2 DISPL.0.046BBL/STK0.0698BBL/STKHOLE DATASLOW PUMP RATES@SIZE17 1/2INSLOW PUMPDYNAMIC PRESSURE LOSSM. DEPTH2789FTRATE DATAPUMP # 1PUMP # 2T.V. DEPTH2789FT40180PSI180PSI60300PSI300PSIPRE-RECORDEDLENGTHCAPACITYVOLUMEPUMP STROKESTIMEVOLUME DATAFTBBL/FTBBL# 1 STKS # 2# 1 MINUTES # 2DRILL PIPE1879.80.0144227.107589.2764347826388.348366762214.736.47HEVI WATE365.820.0088333.23170.245392608746.29352521491.760.77DRILL COLLAR543.380.0073.80482.688260869654.49369627512.070.91DRILL STRING VOLUME(D)34.142742.2100882609489.135588252118.568.15D/C x OPEN HOLE543.380.029115.812343.7469130435226.53808022928.593.78D/P HWDP x OPEN HOLE1425.620.050571.9941565.0828260871031.429942693439.1317.19OPEN HOLE VOLUME(F)87.8061908.82973913041257.968022922647.7220.97D/P x CASING8200.057647.2321026.7826086956676.67621776525.6711.28TOTAL ANNULUS VOLUME2789(F+G)=H135.0382935.61234782611934.644240687773.3932.24TOTAL WELL SYSTEM VOL(D+H)=I169.1803677.8224360872423.779828939891.9561.30ACTIVE SURFACE VOLUMEJTOTAL ACTIVE FLUID VOLUME(I+J)169.1803677.8224360872423.779828939891.9540.40Terry SmithIWCF CERTIFICATION TESTDATEWELL NAMESURFACE BOP KILL SHEETCOMPILED BYFIELD1BBL = 42 US GAL.KICK DATASHUT IN DRILL PIPE PRESSURE400PSISHUT IN CASING PRESSURE200PSIPIT GAIN15BBLKILL FLUID DENSITYCURRENT DRILLING FLUID DENSITY +SIDPPTVDx.052....+..x .052 =11.358PPGKILL FLUID GRADIENTCURRENT DRILLING FLUID GRADIENT +SIDPPTVD....+.. =0.591PSI/FTINITIAL CIRCULATING PRESSURE .ICP.DYNAMIC PRESSURE LOSS + SIDPP.+..=580PSIFINAL CIRCULATING PRESSURE . FCP.KILL FLUID DENSITYxDYNAMIC PRESS LOSSCURRENT DRILLING FLUID DENSITY..x....=237.727PSIFINAL CIRCULATING PRESSURE . FCP.KILL FLUID DENSITYxDYNAMIC PRESS LOSSCURRENT DRILLING FLUID DENSITY..x....=237.73PSI(K) = ICP- FCP=.-..=.PSI(K) X 100 = ..X 100=.PSI/100 STKs(E)53.893146.1153PRESSURESTROKES#1#258040005343461004882922004422383003961844003491315003037760025723700211-31800165-85900119-139100073-19311002380742PRESSURESTROKES58040005343461004882922004422383003961844003491315003037760025723700211-31800165-85900119-139100073-193110023807420.00000.0000