Net patchawarra coal 65m total depth 2,102m net patchawarra coal 65m total depth 2,193m net patchawarra coal 65m total depth 2,089m depth 1,905m depth 1,930m depth 1,830m pel 96 weena trough pel 94 milperra trough perforation no frac 690 bbl frac 460 bbl frac 2,300 bbl frac 5,000 bbl frac 1,400 bbl frac 40km 8km. Aug 12, 2011 pel 100 is strategically located in the northern margin of the patchawarra trough, cooper basin south australia with an area of 297 square kilometres. Emma alexander senior geologist santos ltd linkedin. From the work we have undertaken to date in the nappamerri. These include the epsilon and patchawarra sands, roseneath and murteree shales, and patchawarra coals. As coal rock strength will likely remain a drilling challenge, this would be best addressed by casing off. Problem 04 a triangular trough 10 ft long is 4 ft across the top, and 4 ft deep.
View emma alexanders profile on linkedin, the worlds largest professional community. Hydrocarbon prospectivity of the cooper basin, australia aapg. Within the basin, this approach has defined a p50 inplace resource of 14. Investor update presentation new standard energy ltd. North patchawarra trough deep wells of interest within permian coal. Apr 20, 2015 27 cooper and glng investor visit april 2015 cooper basins unconventional resources patchawarra trough deep coal showing encouraging results encouraging flow results with high liquids content 10100 bblmmscf step change in flow performance. The greater tindilpie gt region located in the patchawarra trough south australia is proving to be one the premier hydrocarbon producing regions of the cooper basin. Both the wells tap the prolific toolachee and patchawarra formations, which have been tapped and fracked by explorers in the past.
Cretaceoustertiary exhumation increases eastwards from the patchawarra trough, through the gidgealpamerrimeliainnamincka trend and nappamerri trough into. The well was spudded on 17 march and reached a total depth of 3,770 metres in late april. A total of five stages were placed, with one in the patchawarra formation, one in the daralingie formation and three in the toolachee formation. The tenappera trough region within the cooper basin, figure 1. While the australian shale sector is at an early stage, the potential size of the resource base estimated at 396 tcf by the us energy information administration. After verifying the stress and frac models with the dfit data, the completion string was positioned for the frac, and a dfit and mini. Oct 30, 2015 real to get cracking on fracking published at oct 30, 2015, in energy cooper basin gas player real energy asx. The deep permian coal fairway in the patchawarra and nappamerri trough of the cooper basin has been defined and mapped using a generative potential approach within a comprehensive 3d basin model.
Deep coal high rq, the source rock with high gas content and liquids in some areas addon coal frac program in sacbjv. Africa subsahara oil was discovered at the ekales1 wildcat well located in northern kenya. In the northern patchawarra trough, the cooper basin is locally overlain by the late triassic cuddapan formation. Slope calculator, formula, work with steps, practice problems and real world applications to learn how to find the slope of a line that passes through a and b in geometry. Jul 16, 2012 acer energy makes gains on strong cooper basin position. Acer energy makes gains on strong cooper basin position asx. Results show significantly lower geothermal gradients within the patchawarra trough, likely attributed to a lack of shallow volcanics, blanketing coals or low uranium content.
This clean, modern facility is environmentally friendly and takes pride in providing a consistent supply of premium northern white frac sand in a broad range of mesh sizes to key producing regions, including the bakken and eagle ford formations. Senex commences unconventional gas exploration campaign in. Patients with complicated infections should have a goal vancomycin trough of 15 to 20 mcgml. Nappamerri trough has variable maturity gradients in permian section overprinted by late fluid flow in overlying eromanga section prospective roseneathmurteree section 24%ro depending on location high maturity due to highly radioactive granites in basement neighbouring patchawarra trough has sedimentary basement and. The tests at allunga trough1 will provide us with a relatively low cost means of understanding how the shales fracture during stimulation.
Cooper and glng investor visit presentation santos. Conventional reservoirs hold keys to the uns by jeff ottmann and kevin bohacs, aapg explorer article, february 2014 from play to production. Cooper basin deep coal the new unconventional paradigm. The primary reservoir units in this area are toolachee, daralingie, epsilon, patchawarra and. A plug was then set and the patchawarra vm3 coal perforated. Using multiazimuth seismic data for anisotropy estimation in. This frac resulted in a stepchange improvement in gas rate achieved to date fig. Australian unconventional plays remain in proofofconcept. Assessment of continuous oil and gas resources of the cooper. The patchawarra formation is a coal dominated fluviolacustrine environment. History of petroleum exploration and development in the.
High rq, the sourcerock with high gas content and liquids in some areas. Tullow 50% is the operator in partnership with africa oil 50%. The tests are designed to identify the best conditions for fracture stimulation. Schematic crosssection of patchawarra trough highlighting basin centred gas play schematic only, not to scale. If water flows in at the rate of 3 ft3min, find how fast the surface is rising when the water is 6 in deep. The permian deep coal play, cooper basin, australia. It was decided to fracture stimulate this coal as a single stage trial using a conductive design crosslinked gel and higher proppant load for the first time. Strike energy limited quarterly report for the period.
The cooper basin is a late carboniferous to triassic basin. For personal use only lan australian securities exchange. Patchawarra toolachee fms of windorah trough comprise interbedded coalscoaly source rocks and fluvial sandstones 2. Although vancomycin has been on the market since the 1950s, there is still considerable controversy regarding. These rate from the depth of the well, the size of the hole drilled, the makeup of the formation at the well depth sandstone, limestone, chert, etc also, it can depend on what pressure they need to frac it as well as what pressure the formation can take. See the complete profile on linkedin and discover emmas connections and jobs at similar companies. However, to do that the company had to have one of the two frac crews in eastern australia at that time move the. Microseismic and 3d vsp for infill evaluation in greater. Lot, and hydraulic fracture tests mostly for patchawarra and toolachee formations. Allunga trough injectivity test completed successful fracture stimulation of roseneath and murteree shales this minifrac important for largescale fracture stimulation design sasanof1, senexs first dedicated unconventional well, completed early april 2012 with promising preliminary results.
The geoffrey1 vertical well was stimulated over five intervals, four in the patchawarra formation and one in the epsilon formation. Rle has confirmed that it has found a drilling contractor for a longawaited hydraulic fracturing campaign, and that the frac job will take place early next year. Cover the soil with 14 inch of pea gravel to help hold in moisture and give the garden a finished look. The results of this minifrac will assist in designing effective large scale fracture stimulation treatments for. It ranges in thickness from to 23 m, and is thickest in the nappamerri and patchawarra troughs in the western part of the basin, see. Pdf constraining the distribution and relationship.
Australian unconventional plays remain in proofofconcept stage. Pdf the permian deep coal play, cooper basin, australia. Santos is drilling a horizontal well near the moomba191 and will frac the rem section to see what a horizontal section will. The well was opened to flow on 22 october 2014 and produced at approximately 0. Plant the trough with an array of sunloving alpines or slowgrowing plants that have similar needs and are adapted to your climate.
Jul 03, 2009 there are many factors that can influence the time it takes to frac a well. Cooper and glng investor visit linkedin slideshare. Dug australia crossborder joint ventures phil thick, nse managing director. Patchawarra trough sweet spot would be proposed in a successful offstrcuture pilot program. Senex estimates a gip of 8 11 tcf for the patchawarra trough permian coals in senex permits characteristics include. The effect of present day in situ stresses and paleostresses on. Patchawarra toolachee coaly source rocks in windorah trough are in the peak late gas generation window 3. The well has a potential net oil pay in the auwerwer and upper lokone sandstone reservoirs of between 197 ft and 322 ft. How long in general does it take to fracture a oil and gas. Greenstreet cw cooper basin unconventional resources. To the north, senex and origin have agreed to an initial twowell drilling campaign in the first half of fy17, targeting largescale prospective gas resources in the patchawarra trough. That company is haliburton and it is seeking to get cracking on a well stimulation of the queenscliff1 and tamarama1 wells, which at this stage is being designed as a fivestage frac job.
Proximal to existing pipelines and infrastructure coal thickness 5m individual seam for fraccing coal maturity 1. Paning2 is the first unconventional gas well testing the companys northern acreage in the patchawarra trough for tight sands and deep coals. It lies unconformably over early palaeozoic sediments of the warburton basin and is overlain disconformably by the central eromanga basin. Problem 05 a triangular trough is 10 ft long, 6 ft wide across the top, and 3 ft deep. On 10 january 2015, geoffrey1 was shutin due to weather related access restrictions. An overpressured, gassaturated reservoir with little or no free water. Radial distance from the wellbore to the outer tip of a fracture penetrated by the well or propagated from the well by hydraulic fracturing. The permit is immediately east of the companys pel 182 block and directly west of the telopea and keleary oil fields which have produced in excess of 2 million barrels. The farmout will position beach for longterm appraisal and development of unconventional exploration in the nappamerri trough. The thickest laterally extensive coal seam in the patchawarra formation is known as the vc50 coal. Based on the analysis of the data from the lower zone, the joint venture decided to proceed with flow testing of this zone without fracture stimulation using coiled tubing and nitrogen lift. Palaeogeographic mapping and depositional trends of the. Greenstreet cw cooper basin unconventional resources appea 2015.
330 109 279 1118 706 479 80 987 198 36 1053 1356 371 119 407 1122 1477 737 302 561 166 768 638 1424 345 858 759 264 1489 1145 359 1141 771 720 576 82 1038