Company: Santos Ltd Co-ordinates: 38 deg 47 min 43.68 sec South 142 deg 44 min 44.60 sec East Total Correction: 11.991 Dip Angle: -69.993 North Reference: Grid Logging Dates: 18/05/05 - 28/05/05 Contractor: Sperry Drilling Services Survey Type: MWD Creation Date: 28/05/05 Remarks: 1. RT - LAT 21.5m 2. EMS Surveys from 153.32 to 652.27m followed by MWD surveys. 3. Vertical Section Direction: 0º Warranty: Sperry Drilling Services will use its best efforts to provide customers with accurate information and interpretation that are part of, and incedental to, the services provided. However, Sperry Drilling services cannot and does not warrant the accuracy or correctness of such information and interpretation. Under no circumstances should any such information or interpretation. Under no circumstances should any such information or interpretation be relied upon as the sole basis for any drilling, completion and production procedures, and all other activities related to drilling, completion, production, or financial decision or any procedure involving any risk to the safety of any drilling venture, drilling rig, its crew or any third party. The customer has full responsibility for all drilling, completion and production procedures, and all other activities relating to drilling, completion, or production operation. Sperry Drilling Services makes no warranties, either express or implied, including but not limited to the implied warranty of merchantability or fitness for a particular purpose, with respect to the services rendered. In no way shall Sperry Drilling Services be liable for any damages, resulting from the use of any information or interpretation provided by Sperry Drilling Services. Depth Inc Azimuth TVD N/S E/W Vertical DogLeg (m) deg deg m Departure Departure Sec Severity 89.7000 0.0000 0.0000 89.70000 0.0000 0.0000 0.0000 Tie-in 153.3200 0.8700 155.1900 153.3176 -0.4384 0.2027 -0.4384 0.4102 180.7700 0.7300 150.8800 180.7649 -0.7804 0.3752 -0.7804 0.1664 236.2100 1.0600 149.1000 236.1980 -1.5289 0.8104 -1.5289 0.1792 263.9200 1.3100 159.8200 263.9021 -2.0461 1.0513 -2.0461 0.3606 292.7700 1.2200 161.3400 292.7451 -2.6467 1.2634 -2.6467 0.0999 321.4600 1.1600 161.7000 321.4289 -3.2118 1.4523 -3.2118 0.0632 350.1400 1.1200 162.9400 350.1032 -3.7553 1.6256 -3.7553 0.0492 378.7000 1.0300 165.3300 378.6582 -4.2705 1.7725 -4.2705 0.1056 407.3900 0.9900 169.7000 407.3437 -4.7638 1.8822 -4.7638 0.0907 436.0800 0.8900 162.0600 436.0299 -5.2197 1.9951 -5.2197 0.1674 464.7500 0.8600 161.4700 464.6965 -5.6355 2.1321 -5.6355 0.0328 493.6000 0.8700 164.2400 493.5433 -6.0516 2.2604 -6.0516 0.0447 522.3500 0.2300 169.7500 522.2918 -6.3184 2.3299 -6.3184 0.6693 551.1400 0.5200 129.8900 551.0812 -6.4591 2.4404 -6.4591 0.3895 579.9000 0.5400 127.6800 579.8400 -6.6256 2.6478 -6.6256 0.0298 608.6200 0.5100 119.5200 608.5588 -6.7713 2.8662 -6.7713 0.0841 636.9600 0.5400 120.0900 636.8975 -6.9004 3.0915 -6.9004 0.0322 652.2700 0.5200 118.0900 652.2069 -6.9693 3.2152 -6.9693 0.0534 712.4099 0.5582 146.8557 712.3443 -7.3431 3.6161 -7.3431 0.1349 741.2900 1.2763 173.8265 741.2205 -7.7807 3.7276 -7.7807 0.8507 800.7700 1.6054 179.3497 800.6818 -9.2724 3.8083 -9.2724 0.1800 858.0800 1.5778 236.3981 857.9730 -10.5119 3.1602 -10.5119 0.7957 891.6500 3.0613 238.1197 891.5145 -11.2412 2.0141 -11.2412 1.3270 1006.8200 3.0629 237.4591 1006.5201 -14.5204 -3.1912 -14.5204 0.0092 1067.6100 5.7380 249.4401 1067.1266 -16.4616 -7.4065 -16.4616 1.3888 1150.2700 5.5298 253.0325 1149.3876 -19.0750 -15.0848 -19.0750 0.1486 1178.5501 5.5226 254.4712 1177.5361 -19.8370 -17.6992 -19.8370 0.1472 1207.0900 5.5000 252.5500 1205.9442 -20.6148 -20.3271 -20.6148 0.1954 1294.0000 5.3838 250.6785 1292.4624 -23.2128 -28.1481 -23.2128 0.0732 1322.5900 5.2939 252.0349 1320.9285 -24.0634 -30.6684 -24.0634 0.1626 1351.2199 5.3055 252.3084 1349.4360 -24.8730 -33.1859 -24.8730 0.0291 1377.5301 5.1726 251.9090 1375.6362 -25.6109 -35.4721 -25.6109 0.1572 1406.1900 5.2300 251.2100 1404.1782 -26.4328 -37.9368 -26.4328 0.0895 1434.9700 5.4300 251.4900 1432.8337 -27.2876 -40.4699 -27.2876 0.2102 1463.7901 5.4207 253.4286 1461.5248 -28.1088 -43.0677 -28.1088 0.1910 1492.5501 5.4197 251.3448 1490.1561 -28.9307 -45.6566 -28.9307 0.2053 1521.4900 5.5474 253.5866 1518.9636 -29.7631 -48.2933 -29.7631 0.2585 1550.1400 5.5502 251.8970 1547.4794 -30.5849 -50.9386 -30.5849 0.1711 1607.5899 5.8767 251.4043 1604.6438 -32.3860 -56.3668 -32.3860 0.1724 1636.2100 5.8925 252.9731 1633.1132 -33.2835 -59.1602 -33.2835 0.1694 1664.6500 6.2030 254.0516 1661.3949 -34.1331 -62.0334 -34.1331 0.3488 1693.3600 6.3700 251.8900 1689.9323 -35.0544 -65.0386 -35.0544 0.3027 1712.4000 6.0638 251.8203 1708.8604 -35.6964 -66.9980 -35.6964 0.4826 1734.4300 6.1422 252.7630 1730.7654 -36.4087 -69.2291 -36.4087 0.1733 1763.1800 5.8971 251.7137 1759.3569 -37.3279 -72.1004 -37.3279 0.2803 1783.4000 5.6583 250.4857 1779.4740 -37.9868 -74.0262 -37.9868 0.3990