SampulPT.BAMA BUMI SENTOSAWell Testing ServicesWELL TESTING REPORTCUSTOMER:FIELD:WELL NAME:RIG NAME:DST NO:INTERVAL:Nov-11

SUMMARY PT. BAMA BUMI SENTOSAWELL TESTING SERVICESWELL TEST SUMMARYUnit No: 06Field: SUNGAI ANGURWell Operation:: SUNGAI ANGUR #2Well Zone::Interval::Formation:Date of Test25-May-1026-May-1026-May-1027-May-1027-May-10Test Duration6hrs ( 17:00 - 23:00 )6hrs ( 05:00 - 11:00 )6hrs ( 17:00 - 23:00 )6hrs ( 05:00 - 11:00 )9.5hrs ( 11:00 - 20:30 )Choke Size ( ../ 64")28/6432/6436/6444/6436/64CHP (psig)16001600160016001600WHP (psig )28002698269023352750WHT ( deg - F)110131.3129.3149.0170.6FLP (psig) down stream503672590789574FLT ( deg. F )102837182107Separator Pressure (psig)258315350430330Separator Temp (deg - F)8781748394Gas - Rate (mmscfd)11.49814.25316.07421.15116.111Gas Grafity0.8500.8500.8500.8500.850Oil Rate (BOPD)140.0132.0104.0156.9110.9OIL Api Grafity @60 F47.647.547.547.547.5Water rate (BWPD)0.094.098.3113.167.3Liquid Rate ( BLPD)140.0226.0202.3270.0178.2BS & W (%)041494238Water Chloride (ppm)-5050200100Water SG-1.011.0111GOR ( scf/ bbl)86354109138152988136484145918Yield (bbl / mmscfd)CO2 %25%25%27%25%25%H2S ppm170006000600060006000PH-6645Test TypeMITMITMITMITEXTENDEDTest No1st2nd3rd4th5thRemarksShut in well for 6 hrsShut in well for 6 hrsShut in well for 6 hrsContinue to ExtendedEnd of Test, PBU# All figures are taken from average well testing data sheetREPORTED BY ; SUPAR

WTDS,PT. BAMA BUMI SENTOSAWELL TESTING DATA SHEETWell Testing ServicesCustomer:PT. SELE RAYA MERANGIN DUADST:Location:SUNGAI ANGGURInterval:Field::Well name:SUNGAI ANGGUR #2Tubing size:2 7/8"3.5"Date:Formation:25/64"TIMEWell Head MeasurementFlow LineProduction Gas & Liquid MeasurementFluid PropertiesWHPWHTCHPCHOKEPressTempHeaterSEPARATORGASSGBSWMeterOIL RATEGross RateCumm oilCumm liqOILPHCL-P-DIFWtr GravH2STempPressTempRATEGasreadingWATER RATEprodprodGORAPICO2psigdeg-fpsiginchpsigdeg.Fdeg.Fpsigdeg.Fmmscfdsg%bblsbopdbwpdblpdbblsbblsscf/bbl60 Fppm%SGppm%REMARKS25-May-100.017:0028/640.00.0Open well, start test 28/64"17:302800971600"480911142508611.5460.85001.572.00.0721.51.516036518:0028001021600"500961162508611.468"02.5120.00.01204.04.09556747.610 00018:3028001021600"520961102558611.430"03.5168.00.01687.57.56803819:0028001061600"500991042558411.375"03.0144.00.014410.510.57899519:3028001061600"510991102608411.412"03.5168.00.016814.014.06792820:0028001111600"5051041122608611.386"03144.00.014417.017.07907020:3028001131600"5001051162608611.468"03144.00.014420.020.07964121:0028001151600"5001061182608611.468"03144.00.014423.023.07964121:3028001161600"5051061202608811.605"02.5120.00.012025.525.59670722:0028001171600"5001071202609011.659"03144.00.014428.528.580965170002522:3028001171600"5051071202609011.579"03.5168.00.016832.032.06892223:0028001181600"5051071202609011.579"03144.00.014435.035.080409Shut in well for 6hrsAVERAGE2800110503101.91666666671152588711.49800140.00.0140.08635426-May-100.00.05:0032/640.00.0Open well, start test 32/64"5:3026601111600"680821103007914.4670.850354124.867.21922.64.01159196:0026601131600"660821103057914.488"404.5129.686.42165.38.51117916:3026801201600"670821103107914.394"404115.276.81927.712.51249477:0027001281600"670801103107914.394"454.5118.897.221610.217.0121160Switch off Heater7:3027001291600"67080by pass3157914.406"505120.0120.024012.722.012005160008:0027001311600"670803207914.180"424.5125.390.721615.326.51131908:3027001351600"670823208114.146"465129.6110.424018.031.51091559:0027001381600"670833208114.146"505.5132.0132.026420.737.010717047.56501.01259:3027201401600"675843208214.130"355156.084.024024.042.09057410:0027201421600"675853208414.096"385148.891.224027.147.09473110:3027201441600"675863208414.096"414.5127.488.621629.751.511060911:0027201441600"675863208414.096"355156.084.024033.056.590359Shut in well for 6hrsAVERAGE2698.3333333333131.2567282.66666666671103158114.2530041.4166666667132.094.0226.010913826-May-107906900.0000.8050.00.00.000.00.017:0036/643206015.6000.00.000.00.00"1381470.00017:00Open well, start test 36/64"17:3028001241600"600751203206015.60020:300.850453.592.475.61681.93.5168830"1381470.00020:3018:0028501241600"500751183006014.28321:00"48499.892.21924.07.5143056"1381470.00021:0018:3026501241600"600751203305016.07821:30"504.5108.0108.02166.312.0148869"1381470.00021:3019:0028501261600"450701203006014.12322:00"49497.994.11928.316.0144231"1381470.00022:0019:3029001261600"450701203006013.96222:30"52492.299.819210.220.0151494"1381470.00022:3020:0026901261600"580701203308016.08323:00"504.5108.0108.021612.524.514891847.56501.011381470.00023:0020:3026901281600"600711203308116.064"474101.890.219214.628.515785960002721:0026901311600"590701203308216.044"494.5110.2105.821616.933.014564721:3026901331600"580701203308216.119"48499.892.219219.037.016144422:0026901331600"580701203308216.044"50496.096.019221.041.016713022:3026901331600"600721203308216.119"48499.892.219223.045.016144423:0026901331600"600721203308216.044"484.5112.3103.721625.449.5142846AVERAGE2690129.3365907112035074.116.0740.9270833333048.57142857144.2104.098.3202.3152988Shut in well for 6 hrs27-May-105:0044/64000.0000.8400.00.000.00.00Open well, start test 44/64"5:3023001291600"790701204308021.2070.850375.5166.397.72643.55.51275076:0023001331600"780701204308121.104"356.0187.2100.82887.411.51127346:3023001381600"790711204308121.104"386.0178.6109.428811.117.5118189Switch off Heater7:0023201441600"79072by pass4308221.152"405.5158.4105.626414.423.01335387:3023201461600"79088"4308221.152"426.0167.0121.028817.929.01266318:0023501491600"79088"4308221.152"415.5155.8108.226421.134.51358018:3023501521600"79088"4308321.125"435.5150.5113.526424.240.01403869:0023501541600"79088"4308321.125"435.5150.5113.526427.445.514038647.5420019:3023501561600"79088"4308421.173"425.5153.1110.926430.651.013828040002310:0023601581600"79088"4308421.173"456.0158.4129.628833.957.013367110:3023601621600"79088"4308421.173"505.0120.0120.024036.462.017644660002511:0023601671600"79088"4308421.173"485.5137.3126.726439.267.5154236AVERAGE233514978982.251204308321.15100425.6156.9113.1270.0136484Continue to Extended chk 36/64"36/64First Reading11:3027501701600"54090by pass3308416.1540.850414113.378.71922.44.014259912:0027501681600"56091"3308616.115"383.5104.263.81684.57.515471612:3027501671600"58095"3309016.112"403.5100.867.21686.611.015984313:0027501671600"580100"3309216.075"374.0121.071.01929.215.013289213:3027501671600"570106"3309416.109"393.5102.565.516811.318.515719614:0027501671600"580109"3309716.054"383.5104.263.816813.522.015412814:3027501671600"570109"33010016.070"373.5105.862.216815.725.515183647.55100115:0027501671600"570109"33010016.070"404115.276.819218.129.513950015:3027501671600"580111"33010016.070"363.5107.560.516820.333.014946460002016:0027501671600"580111"3309916.089"353.5109.258.816822.636.514733216:3027501701600"580111"3309816.107"354124.867.219225.240.512906317:0027501721600"580111"3309616.144"354124.867.219227.844.512935917:3027501721600"570111"3309516.163"403.5100.867.216829.948.016034318:0027501741600"570111"3309316.128"384119.073.019232.452.013548518:3027501761600"580111"3309316.128"363.5107.560.516834.655.515000119:0027501761600"580111"3309316.128"373.5107.062.9169.9236.859.015066119:3027501761600"580111"3309316.128"384.0119.073.019239.363.013548520:0027501761600"580111"3309316.128"394.0117.174.919241.767.013770620:3027501761600"580111"3309316.128"383.5104.263.816843.970.5154840PBUAVERAGE2750170.6315789474574.21052631581073309416.1110037.73684210533.7110.967.3178.2063157895145918

Gas Cal**PT BAMA BUMI SENTOSAGAS CALCULATION DATAWELL TESTING SERVICESCOMPANY:PT. SELE RAYA MERANGIN DUALANE BORE:5.761LOCATION:SUNGAI ANGGURSTATIC RANGE:0-1500 PSIWELL:SUNGAI ANGGUR #2DIFF RANGE:0-200" H2OZONE:DST - 01TEMP RANGE:0-200 FTABLE ORRIFICE 6" LB 5,761"DATE:31-Dec-99Orrifice SizeFb-BasicBeta Factb - Factor0.50050.180.0620.0880TimeChokeGasStaticDiff Hw x PfSgORIFICEFbFgFtfFpvMULT. C 24 HrsGas Flow0.62578.300.1550.0785TempRateRemark0.750112.750.1860.0701Hrs/ 64"o FpsiH2Oair = 1inchmmscfd0.875153.630.2170.06251.000200.960.2480.557017:00First Reading1.125254.720.2790.049817:302886250.0148192.350.8503.2502276.501.0850.9761.03860026.2011.54618:002886250.0146191.050.8503.2502276.501.0850.9761.03860026.2011.4681.250314.950.3100.044718:302886255.0142190.290.8503.2502276.501.0850.9761.03960068.2711.4301.375381.700.3420.040319:002884255.0140188.940.8503.2502276.501.0850.9781.03960204.0011.37519:302884260.0138189.420.8503.2502276.501.0850.9781.04060246.6711.4121.500455.030.3730.036720:002886260.0138189.420.8503.2502276.501.0850.9761.03960110.3711.3861.625535.030.4040.033720:302886260.0140190.790.8503.2502276.501.0850.9761.03960110.3711.4681.750621.790.4350.031421:002886260.0140190.790.8503.2502276.501.0850.9761.03960110.3711.4681.875715.440.4660.029821:302888260.0144193.490.8503.2502276.501.0850.9741.03959975.1711.6052.000816.130.4970.028722:002890260.0146194.830.8503.2502276.501.0850.9721.03959841.0411.6592.125924.070.5280.028122:302890260.0144193.490.8503.2502276.501.0850.9721.03959841.0411.5792.2501039.500.5590.028123:002890260.0144193.490.8503.2502276.501.0850.9721.03959841.0411.5792.3751162.600.5900.02860.0000.0000.002.7501582.000.6830.03245:00320.000.0001.0631.0000.000.000First Reading3.0001907.800.7450.03665:303279300.0134200.500.8503.5002695.101.0850.9821.04772153.5814.46726-May-103.2502276.500.8070.04166:003279305.0132200.650.8503.5002695.101.0850.9821.04872206.1714.4883.5002654.900.8690.04726:303279310.0128199.200.8503.5002695.101.0850.9821.04972258.8014.3943.7503172.100.9310.05277:003279310.0128199.200.8503.5002695.101.0850.9821.04972258.8014.3944.0003718.200.9940.05787:303279315.0126199.220.8503.5002695.101.0850.9821.04972311.4614.4064.2504354.801.0560.06208:003279320.0120195.960.8503.5002695.101.0850.9821.05072364.1614.1808:303281320.0120195.960.8503.5002695.101.0850.9801.05072190.7014.1469:003281320.0120195.960.8503.5002695.101.0850.9801.05072190.7014.1469:303282320.0120195.960.8503.5002695.101.0850.9791.04972104.5314.13010:003284320.0120195.960.8503.5002695.101.0850.9781.04971933.3314.09610:303284320.0120195.960.8503.5002695.101.0850.9781.04971933.3314.09611:003284320.0120195.960.8503.5002695.101.0850.9781.04971933.3314.0960.000.0000.0000.0000.0017:00360.000.0001.0631.0000.000.000First Reading17:303660320.0100178.890.8503.7503172.101.0851.0001.05687206.0815.60026-May-1018:003660300.090164.320.8503.7503172.101.0851.0001.05386921.7614.28318:303650330.0100181.660.8503.7503172.101.0851.0101.06188505.8616.07819:003660300.088162.480.8503.7503172.101.0851.0001.05386921.7614.123*19:303660300.086160.620.8503.7503172.101.0851.0001.05386921.7613.962*20:003680330.0108188.790.8503.7503172.101.0850.9811.05185192.7116.08320:303681330.0108188.790.8503.7503172.101.0850.9801.05185089.9816.06421:003682330.0108188.790.8503.7503172.101.0850.9791.05184987.7116.04421:303682330.0109189.660.8503.7503172.101.0850.9791.05184987.7116.11922:003682330.0108188.790.8503.7503172.101.0850.9791.05184987.7116.04422:303682330.0109189.660.8503.7503172.101.0850.9791.05184987.7116.11923:003682330.0108188.790.8503.7503172.101.0850.9791.05184987.7116.0445:00440.000First Reading5:304480430.0140245.360.8503.7503172.101.0850.9811.06786433.3221.20727-May-106:004481430.0139244.480.8503.7503172.101.0850.9801.06686321.7121.1046:304481430.0139244.480.8503.7503172.101.0850.9801.06686321.7121.1047:004482430.0140245.360.8503.7503172.101.0850.9791.06686210.6321.1527:304482430.0140245.360.8503.7503172.101.0850.9791.06686210.6321.1528:004482430.0140245.360.8503.7503172.101.0850.9791.06686210.6321.1528:304483430.0140245.360.8503.7503172.101.0850.9791.06586100.0921.1259:004483430.0140245.360.8503.7503172.101.0850.9791.06586100.0921.1259:304484430.0141246.230.8503.7503172.101.0850.9781.06585990.0821.17310:004484430.0141246.230.8503.7503172.101.0850.9781.06585990.0821.17310:304484430.0141246.230.8503.7503172.101.0850.9781.06585990.0821.17311:004484430.0141246.230.8503.7503172.101.0850.9781.06585990.0821.17311:303684330.0110190.530.8503.7503172.101.0850.9781.05084784.5116.15412:003686330.0110190.530.8503.7503172.101.0850.9761.05084583.0816.11512:303690330.0111191.390.8503.7503172.101.0850.9721.04884185.4216.11213:003692330.0111191.390.8503.7503172.101.0850.9711.04883989.1316.07513:303694330.0112192.250.8503.7503172.101.0850.9691.04783794.5016.10914:003697330.0112192.250.8503.7503172.101.0850.9661.04783505.6016.05414:3036100330.0113193.110.8503.7503172.101.0850.9641.04683220.3016.07015:0036100330.0113193.110.8503.7503172.101.0850.9641.04683220.3016.07015:3036100330.0113193.110.8503.7503172.101.0850.9641.04683220.3016.07016:003699330.0113193.110.8503.7503172.101.0850.9641.04683315.0116.08916:303698330.0113193.110.8503.7503172.101.0850.9651.04683410.1116.10717:003696330.0113193.110.8503.7503172.101.0850.9671.04783601.5016.14417:303695330.0113193.110.8503.7503172.101.0850.9681.04783697.8016.16318:003693330.0112192.250.8503.7503172.101.0850.9701.04883891.6116.12818:303693330.0112192.250.8503.7503172.101.0850.9701.04883891.6116.12819:003693330.0112192.250.8503.7503172.101.0850.9701.04883891.6116.12819:303693330.0112192.250.8503.7503172.101.0850.9701.04883891.6116.12820:003693330.0112192.250.8503.7503172.101.0850.9701.04883891.6116.12820:303693330.0112192.250.8503.7503172.101.0850.9701.04883891.6116.12821:00360.000.8503.7503172.101.0851.0631.00488102.910.00021:30360.000.8503.7503172.101.0851.0631.00488102.910.00022:00360.000.8503.7503172.101.0851.0631.00488102.910.00022:30360.000.8503.7503172.101.0851.0631.00488102.910.00023:00360.000.8503.7503172.101.0851.0631.00488102.910.000End of Test

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tableTABEL DATA Orifice basic factorOrifice SizeLine Bore 4.026Line Bore 5.761Line Bore 6.065Fb BasicBeta Factorb FactorFb BasicBeta Factorb FactorFb BasicBeta Factorb Factor123456780.25012.6830.0620.1050.0000.0430.1090.0000.37528.3480.0930.0910.0000.0650.0980.0000.50050.2240.1240.07850.1820.0870.08850.1780.62578.4210.1550.06778.2960.1080.07978.2870.750113.0800.1860.058112.7500.1300.070112.7200.875154.2700.2170.050153.6300.1520.063153.5601.000201.9900.2480.044200.9600.1740.056200.8501.125256.3300.2790.040254.7200.1950.050254.5601.250317.4500.3100.036314.9500.2170.045314.7201.375385.5100.3420.034381.7000.2390.040381.3701.500460.7900.3730.034455.0300.2600.037454.5701.625543.6300.4040.034535.0300.2820.034534.3801.750634.3900.4350.035621.7900.3040.031620.8801.875733.6800.4660.037715.4400.3250.030714.1902.000842.1200.4970.040816.1300.3470.029814.4102.125960.4800.5280.043924.0700.3690.028921.7102.2501089.9000.5590.0461039.5000.3910.0281036.3002.3751231.7000.5900.0501162.6000.4120.0291158.3002.5001387.2000.6210.0541293.8000.4340.0291288.2002.6251558.2000.6520.0581433.5000.4560.0311426.0002.7501746.7000.6830.0611582.1000.4770.0321572.3002.8751955.5000.7140.0651740.0000.4990.0341727.5003.0002194.9000.7450.0671907.8000.5210.0371891.9003.1250.0000.7760.0692086.4000.5420.0392066.1003.2500.0000.8070.0712276.5000.5640.0422250.8003.3750.0000.8380.0712479.1000.5860.0442446.8003.5000.0000.8690.0712695.1000.6080.0472654.9003.6250.0000.9000.0702925.7000.6290.0502876.0003.7500.0000.9310.0683172.1000.6510.0533111.2003.8750.0000.9620.0653435.8000.6730.0553361.5004.0000.0000.9940.0623718.2000.6940.0583628.2004.2500.0001.0560.0544354.8000.7380.0624216.600