Directors contact asx announcement update on infill drilling. Infill drilling best done in conjunction with initial section well when infilling producing wells in the future, we may want to complete multiple wells together upper and middle woodford seem to be great lateral targets, lower still uncertain aggressive down spacing likely an option. Once the infill program is completed, rubicon will follow up with a second drilling phase called definition drilling. The second phase of drilling will be more focused and will be carried out only within the known mineral resource blocks. Infill drilling of a pattern waterflood is a common practice in order to. Fortuna updates on infill drill program at the lindero gold. The goal of the infill drilling program is to convert inferred mineral resource ounces in the upper part of the deposit to the indicated category at 25metre drill spacing or less. It is defined by a focused zone of enriched gold in groundwater coincident with the projected intersection of favorable lowerplate host rocks and a main highangle fault corridor. Otcqx klondex or the company today provides an update on recent underground infill and exploration drilling from its midas mine, near winnemucca, nevada. Infill drilling could compete favorably with eor processes on a recovery basis for. The company completed has its 38,000metre infill drilling program.
Field application of capacitanceresistance models to. Pdf critical evaluation of infill well placement and. If the reservoir is incompletely swept, infill drilling provides an opportunity to increase the rate of production in the field and also to add to reserves. Rubicon minerals provides results from its 2018 infill. The 2016 drilling area and the initial drill sections are shown in figures 1 and 2.
Infill drilling is one of the most attractive options to increasing oil recovery in consequence of its operational simplicity, low risk and promising results. Lmcnf leagold or the company is pleased to report additional infill drilling results from bermejal underground including 30. The drill program was developed to identify suffici ent indicated resources to support the tumas 3 prefeasibility study pfs the company is currently undertaking. It combines a compact size with a thick, heavy blade and a lot of mass to create the ultimate surface on wood. A highperformance tool like this doesnt have to be complicated to build. The infill drilling program, consisting of 61 diamond drill holes totaling 1,952 meters, focused on the areas planned for mining at lindero in year one with holes ranging from 12 meters to 68.
Step out drilling programs have a fixed starting point from which they intend to expand the mineralization zone. With the positive results to date, the drill program has been expanded to 64,000 meters of definition drilling. For years, a hand plane has been the symbol of fine craftsmanship. A smarter infill drilling program can improve confidence in your mineral resource classification its the smart move to assess the future risk or uncertainty of your resource classification by making use of all the information hidden within your early drillhole data. Ongoing 4,000 metre drilling program successfully underpinning final mine design and grade control and highlighting both resource extension and exploration upside key points 4,000 metre drilling program 75% complete. However, designing an infill drilling program is often a challenging task, since the. Targeting proper infill location is a complex task and conventionally requires a comprehensive reservoir characterization program such as the streamline simulation sls.
The design is called an infill plane since the wood parts completely fill the steel body. In imperials view, the addition of diluent and infill drilling are not expected to. Cases of successful and failures of infill drilling program have been reported 3, 4, 5, 6, 7, and 8. Once one or more areas are selected, a detailed mapping program will be enacted in order to delineate. Focused environmental and social assessment incremental. This project has used a multidisciplinary approach employing geology, geophysics, and engineering to conduct advanced reservoir characterization and management activities to design and implement an optimized infill drilling program at the north robertson clearfork unit in gaines county, texas. Sotkamo silver, silver mine infill drilling program 20. Klondex reports on midas infill drilling program vancouver, bc september 10, 2014 klondex mines ltd. Infill drilling of a pattern waterflood is a common practice in order to achieve accelerated production and improved recovery. The drilling was part of a larger program of project development at mt mulgine, which has included establishing suitable locations for mine site infrastructure, collecting geotechnical data, providing material for metallurgical studies, completing infill drilling across the mulgine hill mineral resource, and undertaking exploration drilling. Apr 30, 20 the 100m x 100m infill drilling on the vila oito east target are detailed in table 1.
Adilkhan kerimov, dickson udofia etetim, evelien demaerschalk, olamarius langelo royset, sindre alvestad. The following results are part of the infill drilling program on the bonnefond tonalitic intrusive and on shear zones located to the south of the tonalite. Jan 07, 2015 the goal of the infill drilling program is to convert inferred mineral resource ounces in the upper part of the deposit to the indicated category at 25metre drill spacing or less. Pvg pretivm or the company is pleased to report a sixth set of results from the underground infill. This gave an increase in total oil production between 2012 and 2025 of 48. In other words, eor chemical flooding not only has to be profitable in itself, but also has to pay for infilldrilling programs, making the implementation of this type. Results from the ongoing infill drilling program, reaffirm the continuity of the mineralization within the mineral resource, and of the 37 infill holes, 11 returned results greater than 30 grammetres, including two holes with vg figure 3. Sep 06, 2018 the infill drilling program, consisting of 61 diamond drill holes totaling 1,952 meters, focused on the areas planned for mining at lindero in year one with holes ranging from 12 meters to 68. Drilling in 2019 returned the thickest and deepest lateral intercepts to date on the valdecanas vein, with deep mineralization now continuous over a 2,000m strike length. Pretivm valley of the kings infill drilling continues to. This practice both accelerates expected recovery and increases estimated ultimate recovery in heterogeneous reservoirs by improving the continuity between injectors and producers. A smarter infill drilling program can improve confidence. Infill smoothing plane woodworking project woodsmith plans.
This report is a study of the possibilities for improved oil recovery from the gullfaks main. We have developed intelligent software soto, 1998, oilfield intelligence oi, as an engineering tool to improve the characterization of oil and gas reservoirs. The oil, water and gas productions from the reservoir after infill well drilling were also analyzed. Rubicons infill drilling program confirms continuity and. The design of infill campaigns is a longstanding problem that is not usually solved from the perspective of the impact on the. Infill drilling campaigns are designed based on many different criteria, such as reduction of the global variance, improvement in the delineation of ore materials, reduction of uncertainty in the short term plan, etc. Fortuna updates on infill drill program at the lindero gold project in argentina.
The results from the 25 holes 717 metres from the infill 100m x 100m drilling on pequizeiro west are detailed in table 2. The drill program now also includes followup infill drilling aimed at defining indicated resources in areas where the continuity of materially higher grade is confirmed. Mag announces valdecanas 2019 infill drilling results and. Increasing ultimate oil recovery by infill drilling and.
Regional reconnaissance focuses on promising areas for a given type of ore deposit by using geological, geochemical, and geophysical data. Directional drilling, which enables offset holes to be drilled downhole from a single surface drillhole, is underway as p art of a deep infill drilling program in the valley of the kings in support of the mine plan for the brucejack project. Measurementmanual samples for all laser pads will follow the same. Resource upgrade potential as demonstrated in figure 4 above, there is potential for an increase in the mineral resource at the lake wells sop project with the additional data from this infill drilling program. The genetic program is coupled with the simulator in order to reevaluate the optimized wells at each iteration. Pvg pretivm or the company is pleased to report a sixth set of results from the underground infill drill program at the brucejack projects valley of the kings.
Mar 03, 2020 1 true widths tw were measured off cross sections 2 abbreviations used. Studies 9, 10, 11, 12, 14 and 15 have also shown that unless. Mulgine hill infill drilling program successful, extends. The lindero project is under construction, and commercial operations are planned to start late in the third quarter of 2019, with an. Infill drilling is also performed for tertiary oil recovery projects in order to decrease project life. Golden queen announces initial drill results from the 2018. A smarter infill drilling program can improve confidence in. Pdf optimum field development through infill drilling for the main. Since 2002, rubicon has completed 393,611 metres m of drilling on the f2 deposit. A drilling program is often divided into a stepout drilling program and an infill drilling program. Infill drilling has become an important consideration in the evaluation of eor chemical flooding in mature waterflooded and heavycrude oil reservoirs for the following reasons in recent evaluations, the authors faced the situation of having to analyze eor chemical flooding sp or asp in waterflooded reservoirs that require infill drilling to accelerate oil recovery and improve economic. One of the four holes reported was an extension of an earlier drill hole, ddh 1731519074 please refer to the companys news release dated may 29, 2019. The primary purpose of the drilling was to potentially upgrade the inferred resources of the 2018 mineral resource estimate of the project, to the measured and.
Pdf it is a common observation that operating companies are reluctant to use eor techniques when they have the option of infill well drilling instead. The activities during the first budget period consisted of developing an integrated reservoir. A predictive model of enhanced oil recovery by infill drilling and its. Each drill hole has been sampled on fivefoot intervals throughout the entire length of the hole, and every interval drilled has been submitted to the independent lab.
The vg occurs on the westdipping curie fault, where it passes beneath an anticline closure, as. Infill drilling could compete favorably with eor processes on a recovery basis for much less investment and operating cost. Deep infill drilling continues to confirm highgrade gold. The goal of the infill drilling program is to convert inferred mineral resource ounces in. Fvi is pleased to provide results for its infill drilling program at the lindero project in argentina. The drill program focussed on converting approximately 50% of the inferred resources at. Fortuna updates on infill drill program at the lindero. Application of integrated reservoir management and. This paper presents the evaluation of infill drilling opportunities using reservoir. Infill drilling programs are used to confirm the presence of mineralization between.
The optimal length to reach all targets varied from 55 to 60 m, but it was not achieved by all holes due to technical issues. This process plays an important role in revitalizing marginal oil and gas fields not only by accelerating recovery but also by adding new reserves, especially in heterogeneous reservoirs. Infill drilling is also performed for tertiary oil recovery projects in order to decrease project life and improve reservoir control. The infill drilling program, designed to upgrade the confidence of our resource base is now complete.
The infill drilling program, consisting of 61 diamond drill holes totaling 1,952 meters, focused on the areas planned for mining at lindero in year one with holes ranging from 12 meters to 68 meters in length. Nges 100% owned 22 km 2 south grass valley project is situated at the southern end of grass valley, the covered valley directly south of barricks cortez complex pipeline, cortez hills, and goldrush, one of the largest and lowest cost gold mines in the world with yearly production of approximately one million ounces. Initial thoughts on beginning an infill drilling program. An exploration process is normally consisted of four major phases. The addition of wells in a field that decreases average well spacing. The 20152016 infill drill program is designed to target stope areas in years one through three of the current mine plan for the valley of the kings. Mar 29, 2018 results of infill borehole program image credit. Cases of successful and unsuccessful infill drilling program have been reported. The total oil production after implementation of infill drilling peaked at 44.
Sotkamo silver, silver mine infill drilling program 20 nine sludge drill holes were run from the mine decline of the sotkamo silver mine to complement diamond drilling programs. We are now focussed on exploring other areas within our high prospective 14,000 hectare concession, which holds the potential for additional entirely separate goldsilver discoveries. Nge is happy to announce the results of its infill borehole program at the south grass valley project where a 1,000 x 4,000 m carlintype gold deposit ctgd target has been identified. Increasing ultimate oil recovery by infill drilling and converting. Golden queen announces final drill golden queen mining. Eepci has commissioned this focused environmental and social assessment to evaluate the incremental impacts resulting from the new infill drilling program. Download pdf pdf format opens in new window pdf vancouver, british columbia marketwired march 8, 2016 pretium resources inc. Infill drilling at tumas 3 delivers positive results for pfs. Jun 23, 2014 once the infill program is completed, rubicon will follow up with a second drilling phase called definition drilling.
Vancouver, september 6, 2018 fortuna silver mines inc. The main pit 2 infill drilling program is being accomplished with reverse circulation rc drilling methods using an established contractor, boart longyear of elko, nevada. Vancouver, october 18, 2017 leagold mining corporation tsx. The goal of the infill drilling program is to convert inferred mineral resource ounces in the upper part of the deposit to the indicated category. Rubicon minerals infill drilling program continues to. Pretivm valley of the kings infill drilling continues. Pdf directors contact asx announcement update on infill. As well spacing is decreased, the shifting well patterns alter the formationfluid flow paths and increase sweep to areas where greater.
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