LOCN LAT: 12o 41' 05.28"S WELL NAME: Bilyara 1 & ST1 LONG: 124o 30' 20.80"E EASTING: 663522m E NORTHING: 8597260m N ZONE: SHOT POINT: 850 SEISMIC LINE: VS-25A STATUS: P & A ELEVN SF: - 88.4m BSL DATUM RT: 27m ASL OPERATOR: BHP Petroleum BASIN: Browse TOTAL D: 2836m PARTNERS: Inpex; Conoco SPUD DATE: 3/08/1988 COMPLN DATE: 8/11/1988 LEASE: NT AC/P7 TARGET: DRILLER: Zapata DATA SOURCE: WCR, logs RIG: Zapata Arctic FORMATION TOPS: (P. V. Grech – Wiltshire Geological Services – 1998) Age Formation/Unit Top Depth Lithology Interface Recent to Tertiary Barracouta 115.4m Miocene Oliver 411.0m Basal Mbr 683.5m Eocene Prion 757.5m Hibernia Sand Mbr 929.5m Hibernia 984.0m Grebe 1086.5m Basal Mbr 1243.5m Paleocene Johnson 1283.0m Cretaceous Maastrichtian to Campanian Puffin Upper SS 1699.5m Mudstone 1900.0m Lower SS 1923.5m Campanian Wangarlu Turnstone 1974.0m Campanian to Santonian Fenelon 2122.0m Santonian to Coniacian Gibson 2308.0m Coniacian to Cenomanian Woolaston 2362.0m Cenomanian to Albian Jamieson 2419.0m Jurassic Tithonian to Callovian Vulcan Frigate 2480.5m Callovian to Oxfordian Elang 2687.5m Total Depth 2836.0m ENGINEERING DATA: HOLE AND CASING DATA: Hole Hole Casing Casing Weight Grade Joints Cement TOC Size Depth Size Depth lb/ft 36” 151m 30” 146m 310 X-52 3 900 sx G at SG 1.9 Grouted 250 sx G at SG 1.9 26” 302m 20” 295m 133 X-56 16 750 sx G at SG 1.5 600 sx G at SG 1.9 17 ½” 1293m 13 3/8” 1091m 68 K-55 82 500 sx G at SG 1.5 480 sx G at SG 1.9 12 Ό” 1578m 9 5/8” 1566m 47 N-80 123 325 sx G at SG 1.9 8 ½” 2749m Stuck pipe, back off at 2717m. Log, plug back, sidetrack from 1713m ST 8 ½” 2836m 7” 2832.5m 275 sx G at SG 1.9 TOL 1463.5m ENGINEERING DATA: FITs Casing Size Depth TVD SS Open Hole Size Depth TVD SS EMW (SG) Comments 9 5/8” 1566m 8 ½” 1581m 1.31 LOT ENGINEERING DATA: PLUGGING DATA A total of 8 remedial plugs, using 5040 sx G at SG of 1.5 to 1.6 were set in the unstable hole below the 13 3/8” casing shoe, before the 12 /14” hole was drilled to 1578, and cased. Final abandonment plugs were: Plug No. Interval Cement 1 2536m – 2690m 184 sx G at SG 1.9 Tagged Isolate for sidetrack 3 1709m – 1788m 140 sx G at SG 2.0 For sidetrack ST Set bridge plug at 2728m in 7” liner 1 2653m – 2728m 43 sx G at SG 1.9 Tagged 2 1418m – 1495m 73 sx G at SG 1.9 Tagged at 1415m Across liner lap Cut 9 5/8” casing at 269m and recovered. 3 230m – 310m 143 sx G at SG 1.9 Tag failed Set EZSV at 268m in 13 3/8” casing 4 230m – 268m 96 sx G at SG 1.9 Cut 13 3/8” casing at 200m and recovered Set AGE packer at 200m in 20” casing 4 140m – 199m 328 sx G at SG 1.9 Tagged at 147m Mechanical cut 20” x 30” casings at 122m Cut failed Explosive cut 114m, recovered wellhead, guidebases. ENGINEERING DATA: DRILL STEM TESTS: No Depth Interval IFT ISIT FFT FSIT IFP ISIP FFP FSIP Recovery 1 2730m - 2738m misrun 1A 2730m - 2738m 7 72 36 160 3816 3792 3821 3816 FW 2 2715m - 2720m misrun 2A 2715m - 2720m 8 61 102 47 - - - - 49 bbl fluid - no hydrocarbs. ENGINEERING DATA: REPEAT FORMATION TESTS Valid points only – both hole courses Depth RDF Depth TVD Pressure Permeability Temp Comments m m SS psig mD degC 1805.0m 1777.9m 2638.7 483 1850.0m 1812.1m 2705.5 601 1895.0m 1867.6m 2771.9 613 ST 2409.5m 2346.9m 1625.7 8 2600.0m 2572.5m 3765.6 5459 2600.0m 2572.5m 3765.2 4202 2602.0m 2574.5m 3765.4 587 Sampled Filtrate, trace oil 2612.0m 2584.5m 3768.0 832 2625.0m 2597.5m 3771.6 850 2625.0m 2597.5m 3771.6 498 2636.0m 2608.5m 3774.6 504 2639.0m 2611.5m 3773.6 462 2639.0m 2611.5m 3775.0 1297 2639.0m 2611.5m 3775.8 2415 2640.0m 2612.5m 3776.1 84 2640.3m 2613.3m 3774.4 73 2640.8m 2613.3m 3776.2 16 Sampled Filtrate, trace oil 2641.0m 2614.1m 3778.8 16 Sampled Filtrate, trace oil 2683.0m 2655.5m 3836.6 1153 2687.0m 2659.5m 3842.2 711 ST 2690.0m 2597.3m 3771.3 5325 2691.0m 2663.5m 3848.1 1103 2695.0m 2667.5m 3854.1 653 ST 2697.0m 2603.4m 3772.6 2901 ST 2704.0m 2609.5m 3774.3 4543 ST 2707.0m 2612.1m 3775.2 1126 ST 2708.0m 2613.0m 3777.3 1126 Sampled Oil ST 2709.0m 2613.9m 3777.0 3088 ST 2711.0m 2615.6m 3778.3 206 ST 2711.0m 2615.6m 3779.3 147 ST 2715.0m 2619.2m 3784.3 368 ST 2718.0m 2621.8m 3785.6 733 Sampled Filtrate, some oil ST 2718.0m 2621.8m 3788.4 733 ST 2722.0m 2625.3m 3794.3 320 ST 2725.0m 2628.0m 3796.7 1372 ST 2725.0m 2628.0m 3797.7 371 ST 2727.0m 2629.7m 3799.2 230 ST 2730.8m 2633.0m 3803.5 2208 ST 2731.0m 2633.2m 3804.7 2086 ST 2735.0m 2636.7m 3811.0 7 ST 2737.0m 2638.4m 3812.7 44 ST 2737.0m 2638.4m 3812.9 149 STT 2737.0m 2638.4m 3812.4 14 ST 2742.5m 2643.2m 3843.3 7 ST 2745.5m 2645.8m 3856.3 2 ST 2770.0m 2666.9m 3854.7 210 ST 2775.0m 2671.2m 3861.0 180 ST 2775.0m 2671.2m 3860.7 139 ST 2785.0m 2679.8m 3874.6 365 ST 2785.0m 2679.8m 3873.5 753 ST 2800.0m 2692.5m 3891.8 355 ST 2820.0m 2709.4m 3916.0 71 WIRELINE LOG DATA: (Schlumberger - 1988) 1 DLL-SDT-MSFL-GR-SP-AMS Tool problem – run aborted Suite 1 Run 1 DLL-SDT-MSFL-GR-SP-AMS 1565.5m - 2705.0m Run 2 LDL-CNL-ML-NGS-AMS 1565.5m - 2705.0m Run 3 Wiper trip VSP S ignal problem – part run only Run 4 SHDT-GR-AMS Tool problem – run aborted Run 5 SHDT-GR-AMS 1565.5m - 2705.0m Run 6 VSP Run 7 Wiper trip RFT Run 8 RFT Run 9 RFT Tool stuck Run 10 Fish for RFT tool Cleanout trip RFT Run 11 CST Run 12 1 ST DLL-MSFL-SDT-SP-GR-AMS 1710.0m - 2830.5m Suite 2 Run 1 LDL-CNL-NGS-ML-AMS 1565.5m - 2834.0m Run 2 Wiper trip RFT Run 3 Wiper trip RFT Run 4 SHDT-GR-AMS 1710.0m - 2825.0m Run 5 CST Run 6 CST Run 7 7” casing job CBL-VDL-GR-CCL Suite 3 Run 1 DIGITAL LOG DATA: (tape data - Schlumberger, verified & edited by Wiltshire Geological Services 1991) TEMP 1711.3m - 2835.9m DT / DTL 1565.1m - 2814.8m GR 80.2m - 2811.8m MRES / MTEM 1653.8m - 2834.6m CALS 1560.1m - 2824.0m MSFL / MSFC 1565.9m - 2827.9m LLD / LLS 1566.0m - 2831.6m SP 1564.2m - 2805.1m CALI 1560.1m - 2831.6m RHOB / DRHO /PEF 1566.0m - 2834.6m NPHI 1566.0m - 2831.6m NGS 1561.2m - 2838.6m MRE2 / MTE2 1561.2m - 2838.6m LWD GR 1715.6m - 2821.8m SN / SNC 1715.2m - 2821.5m ROP / WOB 1711.8m - 2836.3m RPM 1711.8m - 2836.3m ROP 326.4m - 2748.8m TGAS / CHROMATO 1952.1m - 3747.6m ST ROP 1713.9m - 2835.7m TGAS / CHROMATO 1713.3m - 2835.2m DEVIATION SURVEY: Depth Devn (deg) Azimuth Depth Devn (deg) Azimuth 1574m 0.75 - 1608m 0.5 342.0 1640m 0.6 340.0 1673m 0.5 327.0 1690m 1.0 - 1692m 0.6 341.0 1766m 1.5 15.0 1793m 1.7 019.0 1823m 1.9 26.0 1850m 1.7 028.0 1890m 1.3 24.0 1983m 2.8 30.0 1973m 3.1 38.0 2028m 3.0 46.0 2072m 3.1 49.0 2110m 2.9 53.0 2123m 3.0 - 2109m 2.9 53.0 2149m 3.0 55.0 2183m 2.3 50.0 2222m 1.4 47.0 2260m 1.5 56.0 2288m 1.6 47.0 2315m 1.4 41.0 2343m 1.6 24.0 2370m 1.5 23.0 2398m 0.9 1.0 2434m 0.8 334.0 2462m 0.6 113.0 2493m 0.7 313.0 2547m 0.6 280.0 2574m 1.0 265.0 2574m 1.0 266.0 2591m 1.1 254.0 2630m 1.0 269.0 2670m 1.1 271.0 2710m 0.9 296.0 2732m 1.1 303.0 ST 1729m 0.8 27.0 1739m 0.8 52.0 1746m 0.9 82.0 1754m 1.5 132.0 1764m 2.5 129.0 1775m 3.1 128.0 1786m 3.4 122.0 1793m 3.6 117.0 1803m 4.0 115.0 1813m 4.3 115.0 1823m 4.3 114.0 1833m 4.4 114.0 1842m 4.4 114.0 1851m 4.4 116.0 1859m 4.5 117.0 1867m 4.6 117.0 1878m 5.1 118.0 1881m 5.2 120.0 1886m 5.7 119.0 1897m 5.9 122.0 1907m 6.2 122.0 1916m 6.7 120.0 1923m 7.0 119.0 1934m 7.6 118.0 1944m 7.9 119.0 1955m 8.2 119.0 1963m 8.3 119.0 1972m 8.8 118.0 1980m 9.0 118.0 1989m 9.2 119.0 1998m 9.6 119.0 2011m 10.6 121.0 2018m 11.3 123.0 2027m 12.0 124.0 2035m 12.6 125.0 2045m 13.8 126.0 2055m 15.3 128.0 2066m 17.1 129.0 2076m 18.8 129.0 2084m 19.3 129.0 2093m 19.7 130.0 2102m 20.1 130.0 2111m 20.8 129.0 2120m 22.3 130.0 2133m 24.7 130.0 2143m 25.9 131.0 2151m 26.6 131.0 2159m 27.0 130.0 2165m 27.2 129.0 2178m 27.3 129.0 2226m 26.0 127.0 2266m 26.5 126.0 2311m 25.8 121.0 2322m 25.8 121.0 2333m 25.6 122.0 2341m 25.5 122.0 2350m 25.8 121.0 2360m 25.8 121.0 2369m 25.4 121.0 2379m 25.3 121.0 2389m 25.7 121.0 2400m 25.9 120.0 2409m 26.3 121.0 2418m 26.6 121.0 2427m 26.9 122.0 2437m 27.1 122.0 2447m 27.1 122.0 2457m 27.0 123.0 2467m 27.2 125.0 2476m 27.5 127.0 2486m 27.4 128.0 2493m 27.2 129.0 2503m 26.8 130.0 2514m 26.5 130.0 2521m 26.5 129.0 2532m 26.5 129.0 2542m 26.5 129.0 2551m 26.5 130.0 2561m 26.6 130.0 2570m 26.9 129.0 2579m 26.8 129.0 2588m 26.6 129.0 2597m 26.6 129.0 2607m 26.5 130.0 2616m 26.5 131.0 2634m 26.6 131.0 2663m 27.2 132.0 2676m 27.4 132.0 2699m 27.9 131.0 2728m 29.2 129.0 2756m 30.4 129.0 2784m 31.5 128.0 2816m 32.0 126.0 2836m 32.5 126.0 MUD PROPERTIES: Depth (L) Fluid Type SG Vis. pH Fl cc Rm Rmf Rmc 2713m KCL-Polymer 1.17 52 8.5 6.4 0.091 at 29 deg C 0.073 at 28 deg C 0.125 at 27 deg C KCL 6% 2830m KCL-Polymer 1.17 43 10 6.7 0.089 at 27 deg C 0.075 at 25 deg c 0.141 at 24 deg C KCL 6% CONVENTIONAL CORE DATA: All cores in original hole Core No. Interval (Driller) Interval (Log) Recovery 1 2606.0m – 2624.0m 2610.0m – 2626.3m 16.3m 2 2624.0m – 2642.8m 2628.0m – 2646.8m 18.8m 3 2642.8m – 2660.8m 2646.8m – 2664.5m 17.7m 4 2660.8m – 2678.4m 2664.8m – 2682.3m 17.5m SIDEWALL CORE POINTS: (69 shot, 45 recovered in Bilyara 1) 1693.0m 1697.0m 1702.0m 1728.0m 1733.0m 1883.0m 1885.0m 1912.0m 1918.0m 1924.0m 1982.0m 2008.0m 2056.0m 2097.0m 2140.0m 2147.0m 2156.0m 2180.0m 2230.0m 2257.0m 2265.0m 2294.0m 2316.0m 2325.0m 2345.0m 2353.0m 2358.0m 2365.0m 2372.0m 2381.0m 2383.0m 2386.0m 2390.0m 2403.0m 2417.0m 2431.0m 2434.0m 2442.0m 2448.0m 2484.0m 2528.0m 2596.0m 2597.0m 2611.0m 2630.0m (59 shot, 30 recovered in Bilyara 1 ST1) 2410.0m 2411.0m 2418.2m 2694.5m 2705.0m 2707.0m 2709.0m 2710.0m 2711.0m 2713.0m 2718.0m 2722.0m 2724.0m 2725.0m 2726.0m 2727.0m 2730.0m 2732.0m 2733.0m 2734.0m 2735.5m 2737.0m 2738.5m 2739.5m 2740.8m 2745.0m 2746.4m 2748.0m 2758.0m 2790.0m 2794.5m PALYNOLOGY: (Rob Helby) Depth Range Zone Subzone Age 2353m C. striatoconus or younger Coniacian 2381m P. infusoroides Turonian 2383m – 2386m D. multipsinum 1aii Cenomanian 2390m – 2403m X. asperatus 1aiii Vraconian 2417m – 2434m X. asperatus to P. ludbrookiae 1aiii / b Late Albian 2442m – 2661.6m W. spectabilis Oxfordian MICROPALAEONTOLOGY: (Marj Apthorpe) Depth Range Zone Subzone Age 1693m Palaeocene 1728m - 1733m C13 Late Maestrichtian 1912m - 1918m (?1924m) C12 Middle Maestrichtian 1982m - 2030m Maestrichtian undifferentiated - 2056m - 2140m ? C11 probably Early Maestrichtian 2147m - 2257m C10 Late Campanian 2265m C10/C9 boundary "mid' Campanian 2297m - 2325m C7 Santonian 2345m - 2365m C6 basal Santonian and Coniacian just below 2365m - 2372m upper C5 Late Turonian 2381m C3b Late Cenomanian 2383m C3a Middle - Early Cenomanian TEMPERATURES: Depth Driller Logger Temp Log Type Time since circ Circ Time 2745m 2713m 98.4 deg C DLL 11.25 hrs Complex 100.0 deg C FMS 13.25 hrs 100.0 deg C LDL 22.25 hrs 101.3 deg C RFT 10.5 hrs ST 2836m 2752m 95.5 deg C DLL 9.75 hrs nr 2707m 98.9 deg C RFT 6 hrs 2752m 99.3 deg C LDL 16.75 hrs 2752m 100.2 deg C FMS 13 hrs The WCR claims an extrapolated BHT of 106 deg C at 2717m CORE ANALYSIS: (Core Services Australia) Analyses at ambient conditions Depth Porosity Permeability Density Summation of Fluids % mD Bulk Grain Por % SO SW 2606.1m 22.4 1213 2.10 2.67 21.5 1.0 35.0 2606.3m 22.1 706 2.14 2.67 21.8 1.0 39.3 2606.6m 21.5 722 2.14 2.67 19.2 0.0 32.3 2606.9m 22.9 1711 2.10 2.67 19.4 0.0 26.0 2607.2m 22.1 1698 2.13 2.67 18.2 0.0 25.8 2607.5m 21.9 1170 2.13 2.67 16.9 0.6 23.9 2607.8m 21.7 620 2.12 2.67 21.5 0.5 38.3 2608.1m 22.1 1081 2.11 2.67 22.5 1.4 38.3 2608.4m 22.2 1335 2.12 2.67 21.5 0.5 36.5 2608.7m 20.8 531 2.13 2.67 20.8 0.0 32.7 2609.0m 21.5 698 2.17 2.67 20.2 0.5 35.3 2609.3m 21.6 1444 2.15 2.66 20.2 0.1 36.1 2609.6m 21.5 1025 2.15 2.66 13.6 0.0 12.6 2609.9m 21.2 1254 2.17 2.66 18.8 0.0 38.0 2610.2m 21.1 1011 2.14 2.67 16.7 0.0 20.5 2610.5m 21.2 775 2.13 2.67 14.9 0.0 15.7 2610.8m 22.1 1549 2.14 2.67 21.2 0.5 37.3 2611.1m 21.5 1363 2.14 2.67 20.5 1.0 38.5 2611.4m 20.7 571 2.14 2.67 20.7 0.0 36.1 2611.7m 21.2 1164 2.14 2.67 19.6 0.0 30.5 2612.0m 21.7 1177 2.12 2.67 21.9 0.0 37.7 2612.3m 22.1 2095 2.17 2.67 19.3 0.0 42.7 2612.6m 21.7 1304 2.13 2.67 19.6 0.0 35.7 2612.9m 22.2 1410 2.12 2.66 21.7 0.0 43.1 2613.2m 19.9 1278 2.12 2.61 20.0 0.0 31.6 2613.5m 19.8 646 2.10 2.67 20.9 0.0 32.0 2613.8m 20.8 791 2.15 2.66 20.6 0.0 36.4 2614.1m 21.6 1492 2.15 2.66 20.8 0.0 41.4 2614.4m 21.2 1334 2.10 2.66 17.5 0.0 38.5 2614.7m 22.1 1633 2.17 2.66 19.8 0.0 37.1 2615.0m 21.2 962 2.14 2.66 20.5 0.0 40.6 2615.3m 22.0 1763 2.11 2.66 21.9 0.0 33.7 2615.6m 21.6 1392 2.10 2.66 17.0 0.0 22.1 2615.9m 21.6 1605 2.12 2.66 21.1 0.0 41.1 2616.2m 22.1 1467 2.11 2.66 18.5 0.0 29.6 2616.5m 22.4 2394 2.20 2.66 14.1 0.0 28.1 2616.8m 22.1 2732 2.07 2.66 22.2 0.0 33.6 2617.1m 22.3 2316 2.10 2.66 21.7 0.0 38.6 2617.4m 21.7 1510 2.13 2.66 21.8 0.0 38.0 2617.7m 22.6 2056 2.12 2.66 16.3 0.0 23.3 2618.0m 23.2 3508 2.15 2.66 22.7 0.0 48.3 2618.3m 23.1 2532 2.09 2.66 22.9 0.0 40.0 2618.6m 22.1 1842 2.14 2.66 17.8 0.0 35.9 2618.9m 22.5 2726 2.14 2.66 20.5 0.0 40.7 2619.2m 23.1 2259 2.13 2.66 15.8 0.0 18.8 2619.5m 21.6 1976 2.12 2.66 20.3 0.0 33.3 2619.8m 20.2 1104 2.14 2.66 19.9 0.0 46.0 2620.1m 22.3 2835 2.10 2.66 21.5 0.0 33.1 2620.4m 22.1 2143 2.11 2.66 25.8 0.0 28.6 2620.7m 22.3 1891 2.14 2.66 20.0 0.0 37.3 2621.0m 22.7 2025 2.13 2.66 22.0 0.0 38.6 2621.3m 21.7 2139 2.10 2.66 22.2 0.0 35.8 2621.6m 25.2 4425 2.07 2.66 19.4 0.0 28.7 2621.9m 22.5 2477 2.12 2.66 19.9 0.0 36.2 2622.2m 20.0 1372 2.11 2.66 19.1 0.0 23.1 2624.1m 22.7 3574 2.06 2.66 20.1 0.0 22.5 2624.4m 23.2 2761 2.09 2.66 21.8 0.0 33.5 2624.7m 23.1 3345 2.07 2.66 23.2 0.0 34.7 2625.0m 20.6 1387 2.12 2.66 21.0 0.0 37.4 2625.3m 19.0 781 2.18 2.66 15.9 0.0 35.5 2625.6m 22.4 2699 2.09 2.66 20.9 0.0 31.0 2625.9m 19.3 786 2.08 2.66 22.2 0.0 35.5 2626.2m 22.4 2021 2.10 2.66 17.3 0.0 20.5 2626.5m 23.2 2212 2.08 2.65 22.8 0.0 25.5 2626.8m 23.0 2625 2.18 2.66 16.6 0.0 34.1 2627.1m 21.7 1484 2.09 2.66 15.7 0.0 17.3 2627.4m 22.2 1654 2.14 2.66 19.5 0.0 40.5 2627.7m 20.6 794 2.07 2.66 22.1 0.0 33.7 2628.0m 22.9 2300 2.11 2.66 21.6 0.0 42.9 2628.3m 23.0 2449 2.18 2.66 14.9 1.5 30.7 2628.6m 22.2 1777 2.13 2.66 22.1 0.0 39.3 2628.9m 23.3 2919 2.08 2.66 16.8 0.0 16.0 2629.2m 22.6 1861 2.08 2.66 16.7 0.0 8.7 2629.5m 23.7 2898 2.10 2.66 19.5 0.0 34.4 2629.8m 24.0 2923 2.14 2.66 19.0 0.0 40.3 2630.1m 24.0 2662 2.08 2.66 23.2 0.0 37.6 2630.4m 21.8 1511 2.15 2.66 20.9 0.0 43.1 2630.7m 23.1 1763 2.10 2.66 22.6 0.0 39.8 2631.0m 19.6 885 2.09 2.67 23.5 0.4 52.2 2631.3m 22.9 1874 2.07 2.66 22.9 0.0 38.8 2631.6m 21.2 1518 2.09 2.66 21.6 0.0 37.6 2631.9m 19.0 278 2.15 2.66 19.8 0.0 38.9 2632.2m 24.0 2613 2.11 2.67 14.9 0.0 35.3 2632.5m 22.6 1321 2.08 2.67 22.9 0.0 40.8 2632.8m 24.3 2481 2.09 2.68 21.4 0.0 39.0 2633.1m 22.8 1685 2.11 2.66 21.2 0.0 34.7 2633.4m 18.3 198 2.12 2.66 19.7 0.0 41.9 2633.7m 23.8 2746 2.14 2.66 21.2 0.0 49.4 2634.0m 24.1 2231 2.16 2.66 20.5 0.0 50.5 2634.3m 22.9 1326 2.45 2.66 21.1 0.0 37.2 2634.6m 22.9 1520 2.20 2.66 20.8 0.0 42.2 2634.9m 8.3 0.8 2.38 2.66 12.7 0.0 48.6 2635.2m 14.6 21 2.32 2.65 9.5 0.0 24.4 2635.5m 19.1 62 2.30 2.66 12.9 1.8 44.5 2635.8m 21.4 204 2.21 2.66 19.3 3.4 37.7 2636.1m 20.3 138 2.19 2.66 20.3 6.5 43.1 2636.4m 21.0 137 2.31 2.66 18.3 8.8 54.0 2636.7m 19.0 147 2.42 2.66 11.3 4.3 62.0 2637.0m 20.4 122 2.22 2.66 19.7 10.1 49.5 2637.3m 16.6 31 2.33 2.66 16.3 5.7 69.7 2637.6m 11.8 3.5 2.35 2.68 15.9 5.2 63.5 2637.9m 16.5 23 2.31 2.65 14.4 5.6 60.7 2638.2m 12.4 1.7 2.34 2.66 5.5 6.3 12.7 2638.5m 17.7 25 2.37 2.65 7.2 0.0 51.9 2638.8m 12.6 0.89 2.44 2.66 4.6 0.0 42.1 2639.1m 19.6 77 2.35 2.65 15.8 3.0 73.9 2639.4m 11.4 0.62 2.43 2.66 13.4 1.8 74.2 2639.7m 14.1 5.9 2.39 2.64 14.4 2.5 76.2 2640.0m 15.3 5.8 2.33 2.65 16.8 1.4 76.3 2640.3m 9.8 0.73 2.40 2.65 10.9 0.0 69.9 2640.6m 14.4 3.1 2.41 2.64 12.3 2.0 74.2 2640.9m 8.6 0.49 2.38 2.64 10.5 4.5 65.5 2641.2m 13.9 2.2 2.45 2.65 12.2 4.0 75.7 2641.5m 17.9 16 2.40 2.64 14.1 3.4 73.1 2641.8m 15.1 5.7 2.38 2.66 13.4 3.5 58.4 2642.1m 15.9 6.9 2.40 2.66 13.4 1.8 71.6 2642.4m 17.3 8.9 2.35 2.65 13.0 3.6 66.9 2642.7m 18.4 12 2.29 2.65 10.8 4.2 60.8 2643.0m 14.0 2.4 2.35 2.64 17.2 4.8 72.1 2643.3m 14.0 3.6 2.02 2.65 13.3 6.1 69.8 2643.6m 17.6 16 2.31 2.65 15.5 7.4 65.2 2643.9m 15.7 3 2.46 2.65 15.8 4.7 79.1 2644.2m 15.9 5.5 2.39 2.65 5.9 0.0 48.5 2644.5m 18.9 23 2.33 2.65 15.5 3.7 70.3 2644.8m 18.1 9 2.27 2.64 17.3 2.6 62.7 2645.1m 13.3 0.87 2.43 2.66 15.1 3.2 81.7 2645.4m 16.1 2.7 2.35 2.65 15.5 0.8 75.6 2645.7m 15.9 2.9 2.42 2.65 13.5 0.0 82.1 2646.0m 14.5 2.1 2.46 2.65 9.3 5.3 71.4 2646.3m 10.2 0.99 2.58 2.70 3.5 7.3 72.8 2646.6m 9.8 0.18 2.36 2.66 15.8 3.0 78.6 2646.9m 17.8 4.4 2.42 2.65 14.8 4.9 71.9 2647.2m 5.9 0.03 2.56 2.68 3.5 7.3 65.9 2647.5m 12.9 0.73 2.89 2.88 6.6 4.3 78.2 2647.8m 15.5 0.77 2.33 2.66 16.0 1.5 79.9 2648.1m 11.1 0.2 2.45 2.66 10.6 4.6 78.2 2648.4m 13.7 0.83 2.52 2.66 7.7 9.8 78.3 2648.7m 17.4 3.1 2.39 2.75 13.4 1.8 78.3 2649.0m 17.7 4.9 2.40 2.68 14.4 1.7 77.9 2649.3m 10.3 0.19 2.53 2.67 7.3 0.0 86.5 2649.6m 14.9 2.1 2.36 2.66 16.2 0.0 79.7 2649.9m 16.8 11 2.38 2.66 15.4 1.5 80.2 2650.2m 12.1 0.28 2.42 2.89 10.8 0.0 62.5 2650.5m 13.5 2.1 2.45 2.65 14.2 1.7 80.6 2650.8m 15.5 1.2 2.38 2.65 15.1 1.6 70.7 2651.1m 7.3 0.17 2.34 2.68 16.2 1.4 73.4 2651.4m 16.0 1.8 2.48 2.66 9.0 2.8 80.1 2651.7m 14.7 1.6 2.44 2.65 11.0 2.2 77.1 2652.0m 16.9 7.7 2.41 2.65 12.3 2.0 72.2 2652.3m 15.8 1.1 2.34 2.68 14.5 1.6 72.3 2652.6m 7.4 0.11 2.56 2.67 6.6 11.5 80.5 2652.9m 6.8 0.06 2.60 3.08 12.1 2.1 72.5 2653.2m 6.2 0.12 2.58 2.64 2.4 21.4 53.5 2653.5m 12.4 0.48 2.70 2.66 7.4 3.6 86.6 2653.8m 15.3 1.6 2.35 2.65 16.1 1.5 74.0 2654.1m 7.3 0.12 2.54 2.68 6.7 7.5 86.0 2654.4m 11.4 0.15 2.69 2.67 9.6 8.3 80.7 2654.7m 8.1 0.06 2.56 2.68 7.4 6.9 86.2 2655.0m 17.1 2.5 2.35 2.66 14.7 1.6 70.4 2655.3m 9.9 0.07 2.46 2.70 8.6 2.8 76.5 2655.6m 10.1 0.13 2.57 2.67 6.9 9.3 85.7 2655.9m 9.8 0.14 2.50 2.74 8.9 5.6 84.3 2656.2m 8.9 0.12 2.50 2.68 9.0 6.9 82.8 2656.5m 6.7 0.06 2.54 2.67 5.2 9.7 77.7 2656.8m 12.9 0.43 2.38 2.66 15.6 1.5 83.9 2657.1m 14.1 0.89 2.37 2.83 15.4 0.0 81.2 2657.4m 9.4 0.08 2.53 2.67 7.9 4.8 86.4 2657.7m 8.2 0.08 2.51 2.70 8.3 4.5 84.3 2658.0m 11.8 0.13 2.49 2.66 7.9 1.6 88.1 2658.3m 12.9 0.29 2.43 2.67 8.4 2.9 74.5 2658.6m 14.0 0.41 2.50 2.66 10.3 2.4 87.3 2658.9m 14.6 0.55 2.43 2.66 12.3 2.0 79.1 2659.2m 7.6 0.06 2.53 2.68 3.1 0.0 80.8 2659.5m 9.0 0.06 2.52 2.67 8.3 6.0 84.5 2659.8m 7.7 0.07 2.52 2.66 7.0 7.2 82.8 2660.1m 11.1 0.08 2.47 2.69 11.2 4.4 83.3 2660.4m 8.1 0.09 2.55 2.67 6.8 7.4 85.4 2660.7m 8.9 0.09 2.43 2.67 9.0 4.0 88.6 2661.0m 9.1 0.12 2.46 2.66 8.0 3.0 85.4 2661.3m 9.6 0.1 2.45 2.67 7.7 3.2 85.7 2661.6m 8.3 0.07 2.47 2.69 8.2 6.0 84.1 2661.9m 10.5 0.14 2.34 2.68 8.1 5.7 74.6 2662.2m 9.1 0.09 2.42 2.69 5.7 8.5 80.4 2662.5m 9.4 0.1 2.45 2.68 8.0 4.6 85.4 2662.8m 8.0 0.07 2.49 2.69 7.5 6.6 85.8 2663.1m 8.3 0.08 2.44 2.69 5.7 6.4 80.5 2663.4m 10.4 0.18 2.40 2.73 7.4 6.4 80.4 2663.7m 7.6 0.07 2.48 2.68 9.1 2.7 89.7 2664.0m 10.1 0.21 2.44 2.67 11.5 2.1 91.2 2664.3m 7.3 0.09 2.43 2.69 6.0 8.1 72.5 2664.6m 7.5 0.08 2.51 2.67 7.0 0.0 85.3 2664.9m 12.3 0.33 2.46 2.67 6.7 3.7 84.0 2665.2m 8.4 0.08 2.50 2.69 6.1 4.0 85.0 2665.5m 8.5 0.09 2.39 2.68 12.7 1.9 84.6 2665.8m 12.2 0.34 2.43 2.68 9.6 2.5 82.9 2666.1m 13.0 0.38 2.31 2.67 15.1 0.8 79.7 2666.4m 15.1 0.96 2.39 2.67 11.5 2.1 85.1 2666.7m 12.4 0.49 2.34 2.68 12.9 1.8 79.8 2667.0m 14.5 1.4 2.29 2.67 15.9 1.4 81.8 2667.3m 11.6 0.32 2.46 2.67 9.0 2.7 84.7 2667.6m 12.3 0.29 2.40 2.67 11.3 2.1 84.8 2667.9m 15.9 1.5 2.33 2.66 13.8 1.7 84.0 2668.2m 12.5 0.19 2.31 2.66 6.4 3.6 50.0 2668.5m 12.2 0.19 2.48 2.66 11.6 4.3 81.1 2668.8m 9.8 0.12 2.55 2.70 6.5 3.9 85.7 2669.1m 8.6 0.07 2.51 2.67 8.6 5.8 81.5 2669.4m 10.3 0.15 2.46 2.67 10.7 4.6 82.7 2669.7m 7.8 0.06 2.52 2.68 8.4 6.0 86.5 2670.0m 5.7 0.08 2.58 2.67 6.5 7.9 87.1 2670.3m 6.1 0.09 2.52 2.65 2.2 0.0 79.6 2670.6m 8.7 0.07 2.54 2.66 4.6 0.0 87.3 2670.9m 4.6 0.59 2.54 2.63 5.3 4.8 90.3 2671.2m 4.8 0.16 2.55 2.62 6.1 8.3 87.6 2671.5m 6.8 0.05 2.54 2.64 7.0 14.3 78.8 2671.8m 6.1 0.05 2.43 2.63 11.0 2.2 81.7 2672.1m 10.8 0.12 2.50 2.65 9.9 5.0 87.8 2672.4m 14.0 0.4 2.41 2.65 13.4 1.8 80.8 2672.7m 11.6 0.12 2.45 2.65 7.0 7.0 77.1 2673.0m 7.0 0.04 2.50 2.66 7.0 7.1 85.3 2673.3m 5.7 0.12 2.57 2.67 7.7 13.3 79.8 2673.6m 5.0 0.28 2.58 2.65 5.2 9.8 83.1 2673.9m 13.1 946 2.30 2.93 20.7 0.0 88.9 2674.2m 23.1 4267 2.27 2.66 16.5 0.0 88.0 2674.5m 22.8 4489 2.24 2.66 21.1 0.0 87.9 2674.8m 23.2 3551 2.24 2.65 21.8 0.0 90.1 2675.1m 23.0 2374 2.25 2.65 24.1 0.0 82.8 2675.4m 22.5 1664 2.26 2.65 21.5 0.0 86.2 2675.7m 21.3 1994 2.30 2.66 22.2 0.0 86.0 2676.0m 15.0 1004 2.36 2.74 14.8 0.0 69.8 2676.3m 20.9 1403 2.28 2.65 18.5 0.0 84.8 2676.6m 15.7 219 2.32 2.66 18.2 0.0 86.2 2676.9m 19.7 1481 2.28 2.67 22.3 0.0 80.6 2677.2m 22.9 3166 2.23 2.66 21.1 0.0 85.5 2677.5m 22.2 2620 2.26 2.66 21.0 0.0 84.7 2677.8m 23.5 3695 2.25 2.67 21.1 0.0 84.8 2678.1m 23.0 3164 2.24 2.66 21.4 0.0 85.5 SOURCE ROCK DATA: (Analabs) Pyrolysis data Depth TOC Tmax S1 S2 S3 PI PC HI OI 2147.0m 0.28 2196.0m 0.37 2257.0m 0.33 2345.0m 0.11 2353.0m 0.11 2365.0m 0.06 2381.0m 0.20 2383.0m 0.13 2386.0m 0.46 2390.0m 0.15 2397.0m 0.38 2410.0m 0.61 2417.0m 0.45 2431.0m 0.46 2434.0m 0.45 2442.0m 1.40 433 0.25 2.74 1.71 0.08 0.25 196 122 2448.0m 1.20 430 0.18 2.05 1.58 0.08 0.19 171 132 2457.0m 0.80 432 0.20 1.08 5.29 0.16 0.11 135 661 2466.0m 1.10 431 0.28 1.81 5.47 0.13 0.17 165 497 2475.0m 0.64 2487.0m 1.30 428 0.57 2.41 5.71 0.19 0.25 185 439 2496.0m 1.60 428 0.66 3.40 7.21 0.16 0.34 213 451 2505.0m 0.97 428 0.37 1.70 4.49 0.18 0.17 175 463 2514.0m 0.85 428 0.30 1.32 6.20 0.19 0.13 155 729 2528.0m 1.95 430 0.36 3.16 0.84 0.10 0.29 162 43 2535.0m 1.05 429 0.30 1.71 5.5 0.15 0.17 163 524 2547.0m 1.10 430 0.41 2.19 4.45 0.16 0.22 199 405 2556.0m 1.05 429 0.37 1.77 4.63 0.17 0.18 169 441 2565.0m 0.81 428 0.22 0.94 6.05 0.19 0.10 116 747 2579.0m 0.62 2586.0m 0.64 2596.0m 1.15 427 0.50 1.70 0.94 0.23 0.18 148 82 2646.3m 1.05 428 0.31 1.56 0.85 0.17 0.16 149 81 2653.2m 0.96 429 0.24 1.52 0.87 0.14 0.15 158 91 2664.6m 1.25 430 0.26 2.33 1.56 0.10 0.21 186 125 2670.0m 1.15 429 0.22 2.40 3.84 0.08 0.22 209 334 HYDROCARBON SHOWS: Interval Show 2565m – 2611.5m Gas in poor reservoirs. 2611.5m – 2614.5m Oil in poor reservoir 2614.5m – 2629m Residual oil column DST performance was poor, but core and RFT data indicate that the reservoir is of good quality. GAS ANALYSIS: (Core Labs. International) Sample Type RFT Depth Top 2602m Component mol % CO2 6.42 N2 0.61 C1 78.87 C2 5.26 C3 2.78 iC4 0.67 nC4 1.47 iC5 0.80 nC5 0.76 C6 0.78 C7+ 1.58 Gas Gravity (Air = 1) 0.798 WATER ANALYSIS: A range of “water” analyses are in the WCR; KCL content indicates all such fluids are effectively 100% mud filtrate WHOLE OIL ANALYSIS: Oil was recovered on RFT (at 2708m) but there is no analysis in the WCR. VITRINITE REFLECTANCE: (Analabs) Depth Av Rv max Range Riv Av Ri max Range Ri 2257.0m 0.50 0.48 - 0.51 1.28 0.72 - 1.60 2386.0m 0.50 0.50 - 0.50 1.24 0.80 - 1. 72 2410.0m 0.54 0.51 - 0.59 1.28 0.72 - 1. 78 2442.0m 0.51 0.44 - 0.62 2496.0m 0.49 0.41 - 0.62 2547.0m 0.51 0.43 - 0.57 2596.0m 0.52 0.46 - 0.65 2664.6m 0.52 0.46 - 0.62 VELOCITY SURVEY: (SSL) OWT, vertically corrected, relative to SRD (MSL) Assumes vertical hole Depth TVD SS OWT(sec) Depth TVD SS OWT(sec) 1400.0m 1373.0m 0.5131 1500.0m 1473.0m 0.5346 1560.0m 1533.0m 0.5476 1580.0m 1553.0m 0.5519 1600.0m 1573.0m 0.5572 1620.0m 1593.0m 0.5612 1640.0m 1613.0m 0.5657 1660.0m 1633.0m 0.5694 1680.0m 1653.0m 0.5746 1700.0m 1673.0m 0.5790 1720.0m 1693.0m 0.5841 1740.0m 1713.0m 0.5898 1760.0m 1733.0m 0.5962 1780.0m 1753.0m 0.6026 1800.0m 1773.0m 0.6087 1820.0m 1793.0m 0.6147 1840.0m 1813.0m 0.6212 1860.0m 1833.0m 0.6274 1880.0m 1853.0m 0.6334 1900.0m 1873.0m 0.6397 1920.0m 1893.0m 0.6444 1940.0m 1913.0m 0.6499 1960.0m 1933.0m 0.6552 1980.0m 1953.0m 0.6615 2000.0m 1973.0m 0.6676 2020.0m 1993.0m 0.6746 2040.0m 2013.0m 0.6809 2060.0m 2033.0m 0.6875 2080.0m 2053.0m 0.6946 2100.0m 2073.0m 0.7021 2120.0m 2093.0m 0.7082 2140.0m 2113.0m 0.7146 2160.0m 2133.0m 0.7225 2180.0m 2153.0m 0.7279 2200.0m 2173.0m 0.7331 2220.0m 2193.0m 0.7386 2240.0m 2213.0m 0.7449 2260.0m 2233.0m 0.7519 2280.0m 2253.0m 0.7586 2300.0m 2273.0m 0.7645 2320.0m 2293.0m 0.7701 2340.0m 2313.0m 0.7760 2360.0m 2333.0m 0.7825 2380.0m 2353.0m 0.7874 2400.0m 2373.0m 0.7950 2420.0m 2393.0m 0.8021 2440.0m 2413.0m 0.8079 2460.0m 2433.0m 0.8135 2480.0m 2453.0m 0.8196 2500.0m 2473.0m 0.8248 2520.0m 2493.0m 0.8300 2540.0m 2513.0m 0.8357 2560.0m 2533.0m 0.8410 2580.0m 2553.0m 0.8464 2600.0m 2573.0m 0.8517 2620.0m 2593.0m 0.8570 2640.0m 2613.0m 0.8617 2660.0m 2633.0m 0.8672 2680.0m 2653.0m 0.8722 2700.0m 2673.0m 0.8770 BIT RECORD: No Size Make Type Jets Out Made Hrs WOB RPM PP Condition klbs psi 1 26" Reed S3SJ 3x28 151m 39m 7 5 100 - - 36" Sec - 3x14 151m - - - - - - RR1 26" Reed S3SJ 3x28 151m 0m 0 5 100 - wiper trip 2 17 ½" Sec S44G 3x24 302m 215m 17.5 15 100 1550 1-1-I 3 17 ½" Sec S44G 3x32 326m 24m 2.5 15 100 1550 1-1-I 4 17 ½" Sec S44G 3x32 1016m 690m 55.5 10 100 900 3-4-1/16" 4 17 ½" Smith S84 3x20 1293m 277m 24.0 45 100 1700 - 5 17 ½" Smith S84 3x32 0m 0 45 100 1700 reamed 6 17 ½" Smith S84 3x32 0m 0 45 100 1700 1-2-I 7 8 ½" ? FVH 3x32 0m 0 0 - 1000 clean out 8 12 Ό" Sec M44NG 3x32 1297m 4m 2.5 20 100 2000 3-1-I 8RR1 12 Ό" Sec M44NG 3x32 0m 0 20 100 2000 - 8RR2 12 Ό" Sec M44NG 3x32 12m 2.5 20 100 2000 - 8RR3 12 Ό" Sec M44NG 3x32 1093m 1m 0.5 20 100 2000 - 8 12 Ό" Smith SVH 3x32 1093m 2m 0.5 25 110 1100 - 9 12 Ό" Smith SVH 3x32 1121m 32m 2.5 25 110 1100 - 9 12 Ό" Smith SVH 3x32 1578m 457m 52.5 25 110 1100 5-4-1/8" 10 12 Ό" Smith SVH 3x32 1578m 0m 0.0 25 110 1100 5-4-1/8" 11 8 ½" Sec M44NG 3x32 1600m 118m 17.5 25 100 595 1-1-1 12 8 ½" Sec M44NG 3x32 1692m 92m 18.0 25 110 680 3-3-I 13 8 ½" Sec S84F 3x11 2126m 434m 45.0 35 90 1680 1-4-1/8" 13 8 ½" Longyear DP13 3x9 2145m 19m 7.0 30 90 - 5% worn 14 8 ½" Sec S84F 3x11 2460m 315m 65.5 45 180 1650 3-5-1/16" 14 8 ½" Sec S84F 2x10,11 2606m 146m 27 45 180 1200 in hole 15 8 ½" DB CT303 - - - 2624m 18m 3 15 110 88 - 15 8 ½" DB CT303 - - - 2642m 18m 2.5 15 110 88 - 15 8 ½" DB CT303 - - - 2660m 18m 3 15 110 88 15% worn 15 8 ½" DB CT303 - - - 2678m 18m 4 15 110 88 25% worn 16 8 ½" Sec S86F 2x10,11 2705m 27m 4.5 0 - 3100 in hole 16 8 ½" Sec S86F 2x10,11 44m 9 0 - 3100 in hole 17 8 ½" Sec S84F 3x14 2836m 0m 0 45 180 1200 wiper trip 18 8 ½" Longyear DP15 3x12 1900m 191m 40 20 160 1500 80% worn 19 8 ½" Sec S84F 3x14 2007m 107m 28 35 170 1600 1-4-1/8" 19 8 ½" Sec S84F 3x14 2184m 177m 35 35 180 1350 1-4-I 20 8 ½" Sec M44NG 3x12 2190m 6m 1.5 30 - 1300 6-1-I 21 8 ½" Sec S84F 3x32 2836m 0m 0 45 180 1650 wiper trip 21 8 ½" Sec S84F 3x14 2836m 0m 0 45 180 1650 wiper trip 21 8 ½" Sec S84F 3x14 2378m 188m 36 25 160 1300 1-7-I 21 8 ½" Sec S84F 3x14 2541m 163m 32.5 25 180 1450 1-3-1/16" 21 8 ½" Smith F27 3x14 2695m 154m 33 30 180 1600 2-8-1/4" 21 8 ½" Sec S84F 3x14 2836m 141m 20.5 20 175 1660 in hole 22 8 ½" Sec S84F 3x32 2836m 0m 0 45 180 1650 wiper trip 22 8 ½" Sec S84F 3x32 2836m 0m 0 45 180 1200 wiper trip 23 6" Smith FDG 3x24 2728m 0m 0 0 - - wiper trip 24 6" Smith FDG 3x24 2728m 0m 0 0 - - - COMMENTS: Located 2.9 km west of Montara 1 and 17.4 km SE of Swift 1, testing a western culmination on the Montara structural complex. The well encountered a gas and oil column in the Montara Formation reservoir target, but reservoir properties are poor, and the well failed to flow on DST. Permeabilities indicated from RFT are suspect. WELL SITE GEOLOGIST(s): E. Pattillo, W. Yacopetti, A. Ribeiro WELL DATA SUMMARY PREPARED BY: WGS -15 May 1998 (BC/LR) Revised 24 May 2016 (MJW)