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well square pattern for in situ leach mining

  • In situ recovery of mineral values Phillips Petroleum ...

    Dec 31, 1985· In this pattern, an injection well is located in the center of a square area and production wells are located at each of the four corners of the square. The pattern is then extended by drilling two additional production wells adjacent the first "5-spot" to form an additional square and drilling an additional injection well in the center of the second square, etc.

    • Authors: Charles W GravesAffiliation: Phillips Petroleum CompanyAbout: Nuclear fuel cycle
    • Uranium in Situ Mining Uranium Scribd

      A copy of the Code is available at www. 1999) in situ leach (ISL)3 mining. Readers are referred to the Codes definitions of these terms. 3 Also known as in situ recovery (ISR). recommendations and guidelines on the classification and public reporting of Exploration Results*2.

    • In Situ Leach revolvy.com

      In-situ leaching (ISL), also called in-situ recovery (ISR) or solution mining, is a mining process used to recover minerals such as copper and uranium through boreholes drilled into a deposit, in situ. In situ leach works by artificially dissolving minerals occurring naturally in a solid state.

    • In-situ leach process drives Wyoming uranium ambitions ...

      In-situ leach mining involves injecting an environmentally benign water and sodium bicarbonate solution down a series of injection wells to flow through the target sandstone containing uranium ore.

    • In-situ leach mining method using branched single well for ...

      Sep 16, 1980· A method and apparatus for in-situ leach mining which utilizes multiple dhole branch wells whipstocked off a single main generally vertical well.

    • Using groundwater and solid-phase geochemistry for ...

      groundwater restoration at uranium in-situ leach mining facilities: U.S. Nuclear Regulatory Commission, NUREG/CR-6870, 86 p.

    • Evaluation of Branch and Horizontal Boreholes for in Situ ...

      Multiple-branch wellbores and horizontal holes, when applied to deep lying ore bodies, have the potential of significantly reducing total footage drilled per acre of well pattern. In addition, horizontal holes may increase sweep efficiency. Several drilling and completion concepts

    • GROUNDWATER RESTORATION FOLLOWING IN-SITU LEACH

      ii groundwater restoration following in-situ leach mining of uranium by omar a. ruiz lopez bachelor of science in civil engineering the university of new mexico

    • NI 43-101 Technical Report Taseko Mines

      hydrological combination makes the oxidized zone ideal for In Situ Copper Recovery ... municipalities as well as presenting a pre-tax NPV at a 7.5% discount rate of US$920 ... electricity requirements than a conventional surface leach oxide project and even more so

    • Enhancement of the In-Situ Leach Mineral Mining Process by ...

      4.2 Results of Calculation for Hexagonal Well Pattern During the in-situ mineral leaching in the case of a hexagonal well location the results of calculations and experimental data show the presence of stagna-tion (dead) zones where there is no filtering solution (between the petals of the hexagon).

    • Underground Injection Control Program AREA PERMIT Class ...

      injection well facility and engage in in-situ copper recovery (ISR) operations at the Gunnison Copper Project (Project). ... operational in three stages of in-situ leach mining over twenty-three (23) years at the Project site. ... wells interspaced approximately 71 feet apart in an alternating and repeating pattern and surrounded by at least ...

    • Using groundwater and solid-phase geochemistry for ...

      groundwater restoration at uranium in-situ leach mining facilities: U.S. Nuclear Regulatory Commission, NUREG/CR-6870, 86 p.

    • In Situ Mining Research repository.azgs.az.gov

      In situ leach mining is a relatively new method that has the potential of recovering a variety of mineral commodities such as copper, uranium, gold, silver, manganese, and nickel.

    • Green Mining Massachusetts Institute of Technology

      In-situ leaching mining (see the mining background page) has been introduced as the required mining method for those new mines that can physically implement this technology. Saponification, a step of the refining process that leaves the wastewater highly toxic, can be improved through a newly discovered method that eliminates the need for ammonia.

    • An Environmental Critique of In Situ Leach Mining

      achieving this is a mining process known as In Situ Leaching (ISL) or Solution Mining. It involves pumping chemicals into the ground to dissolve the uranium mineral in situ and then pumping these uranium-laden solutions back to the surface for extraction and

    • In-situ leach mining method using branched single well for ...

      For the typical inverted 5-spot or 7-spot pattern used in situ leach mining, one recovery well is surrounded by four or six, as the case may be, injection wells. Other patterns of injection/recovery wells are possible such as those described in the commonly

    • In Situ Leach (ISL) Mining of Uranium pel.net.au

      In Situ Leach (ISL) Mining of Uranium In Situ Leach (ISL) Mining of Uranium (October 2007) Most uranium mining in the USA and Kazakhstan is now by in situ leach methods. In USA ISL is seen as the most cost effective and environmentally acceptable method of mining

    • Evaluation of Branch and Horizontal Boreholes for in Situ ...

      Multiple-branch wellbores and horizontal holes, when applied to deep lying ore bodies, have the potential of significantly reducing total footage drilled per acre of well pattern. In addition, horizontal holes may increase sweep efficiency. Several drilling and completion concepts

    • Uranium Mining by in-situ Leaching Uranium Mining

      4. "In-situ Leach Uranium Mining" IAEA Technical Committee meeting, 1996. 5. Internal report of UCIL on uranium findings LIST OF DRAWINGS ENCLOSED: Fig. 1. Uranium occurrences in India. Fig.2. Principle of in-situ leaching Fig.3. Flow pattern in in-situ leaching Fig.4 & 5 Well design pattern. Fig.6. A typical ISL well field Fig.7.

    • IN-SITU LEACH URANIUM MINING

      The mining technique of in situ leaching (ISL), often referred to as solution mining, is becoming an increasingly favoured method for the extraction of

    • In situ leach Revolvy

      In-situ leaching (ISL), also called in-situ recovery (ISR) or solution mining, is a mining process used to recover minerals such as copper and uranium through boreholes drilled into a deposit, in situ. In situ leach works by artificially dissolving minerals occurring naturally in a solid state.

    • In-Situ Recovery of Uranium

      increasingly are being mined by in-situ recovery (ISR). ISR works well for redistributed uranium present as a coating ... injection/extraction patterns, injection into the wellfield is maintained at a ... stope leach mining have historically been conducted in the Grants uranium district;

    • Report on In Situ Uranium Mining Larimer County

      Report on In Situ Leach and Open-Pit Mining . Prepared for the Larimer County Commissioners . By . The Larimer County Environmental Advisory Board . February 12, 2008 . ... injection wells surround one extraction well. A 5-spot pattern is thus square shaped, while a 7-spot pattern is hexagonal shaped.

    • Uranium mining by in-situ leaching Robert B. Laughlin

      Although in-situ leaching system is an enclosed process, involving little contact with the mining solutions is very harmful. Hence, the primary environmental considerations for in-situ mining are associated with a) The control of lixiviant during mining. b) The restoring of aquifer back to usable conditions after mining.

    • About Sun-Star Electric Inc. sunstarusa.com

      In the early 1990s Sun-Star Electric, Inc. began manufacturing Sun Star motors for special and standard applications along with the deep-ocean capable Aqua Star motor. In 2011 Sun-Star Electric, Inc. transitioned to an employee-owned company (ESOP).

    • Field Studies to Assess Biostimulation for Remediation of ...

      Patterns P-113 and P-121 will be used for the bio-stimulation test. The nutrient chosen for the test by Dr. Willford is Trypt\ne, a protein commonly used to culture bacteria in microbiology laboratories.

    • In situ recovery of mineral values Phillips Petroleum ...

      Dec 31, 1985· In this pattern, an injection well is located in the center of a square area and production wells are located at each of the four corners of the square. The pattern is then extended by drilling two additional production wells adjacent the first "5-spot" to form an additional square and drilling an additional injection well in the center of the second square, etc.

      • Authors: Charles W GravesAffiliation: Phillips Petroleum CompanyAbout: Nuclear fuel cycle
      • US4222611A In-situ leach mining method using branched ...

        A method and apparatus for in-situ leach mining which utilizes multiple dhole branch wells whipstocked off a single main generally vertical well. Initially the vertical well is drilled into the earth so that it may intersect the ore zone of material to be recovered.

      • broom02.revolvy.com

        In-situ leaching (ISL), also called in-situ recovery (ISR) or solution mining, is a mining process used to recover minerals such as copper and uranium through boreholes drilled into a deposit, in situ. In situ leach works by artificially dissolving minerals occurring naturally in a solid state.

      • Chapter 10 SOLUTION MINING AND IN-SITU LEACHING

        Solution mining of soluble salts, such as sulfur end potash, and in-situ leaching with chemicals of minerals such as uranium and copper are sufficiently different technologies that Chapter 10 is divided into two parts. Both solution mining and in-situ leaching involve the subsurface extraction of minerals, but the mining methods and environmental considerations are different.

      • In Situ Uranium Leach Solution Test 911metallurgist.com

        The University of Texas push-pull minitest (PPMT) involves injecting a leachant into a test well (injection or push cycle) and then producing the fluid back from the same well (production or pull cycle).

      • US3841705A Stimulation of production well for in situ ...

        PREGNANT LEACHING SOLVENT ll LEACHING SOLVENT FIGURE 2 FIELD OF INVENTION In situ mining of valuable minerals has been explored as a means of economically recovering the metal values from low grade ores or otherwise inaccessible ore bodies.

      • Kazakhstans water imperilled by in situ leaching of ...

        Aug 29, 2013· This in situ leach (ISL) method avoids making a mess above ground, but leaves toxic levels of heavy metals in the ground water. In the US, companies using the method have tried for years and failed to return ground water to its pre-mining state.

      • Optimization of Uranium Leach Mining OnePetro

        In-situ leach mining for uranium is an emerging technology. Currently, the selection of a well pattern designed to recover mineral values is governed primarily by arguments based on hydrological considerations. The effects of well pattern and well spacing on uranium recovery and oxidant utilization are considered in this paper.

        • Published in: Society of Petroleum Engineers Journal · 1982Authors: Robert S Schechter · Paul M BommerAffiliation: University of Texas SystemAbout: Nuclear fuel cycle · Chemical reaction · Anisotropy
        • Well-Field Mechanics for In-Situ Mining

          In-situ leach mining can be done to extract a variety of di!erent products including potash, uranium, copper, gold and silver. Extraction can be accomplished using one of two methods; the well-to-well recovery method discussed here, or stope leaching, a

        • In-situ leach process drives Wyoming uranium ambitions ...

          In-situ leach mining involves injecting an environmentally benign water and sodium bicarbonate solution down a series of injection wells to flow through the target sandstone containing uranium ore.

        • Recovery of Copper by Solution Mining Methods AZ

          2 Recovery of Copper by Solution Mining Methods Solution mining replicates the natural process of oxidation and reduction, described above. Dilute acidic solutions are introduced to the copper-bearing ores, causing dissolution of soluble copper minerals (Table 1) remaining in the leached cap and underlying enrichment blanket.

        • In Situ Leach (ISL) Mining of Uranium pel.net.au

          In Situ Leach (ISL) Mining of Uranium In Situ Leach (ISL) Mining of Uranium (October 2007) Most uranium mining in the USA and Kazakhstan is now by in situ leach methods. In USA ISL is seen as the most cost effective and environmentally acceptable method of mining

        • Solution Mining: Leaching and Fluid Recovery of Materials ...

          Solution mining, the extraction of metals, minerals and materials from the earth through leaching and fluid recovery, is still a relatively new but rapidly growing field. The annual economic value of solution mined metals in the United States now exceeds that of metals extracted by underground mining.

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        • ISL uranium mining environmental impacts Nuclear-Free ...

          In-Situ Leach (ISL) Uranium Mining Method Far From Benign By Dr. Gavin Mudd Hydrogeologist / Environmental Engineer, Monash University 2007. The mining technique of in situ leaching (ISL), often referred to as solution mining, is becoming an increasingly favoured method for the extraction of uranium across the world.

        • How Is Uranium Mined in Texas ? FAQ tgpc.state.tx.us

          situ mining for uranium generally reverses the process by which nature formed the uranium deposits. A leaching solution is injected into the uranium-bearing zone through injection wells arranged in a pattern designed to efficiently recover the uranium. The leaching solution circulates through the uranium-bearing zone and dissolves the uranium.

        • 4 Uranium Mining, Processing, and Reclamation Uranium ...

          Key Points The choice of mining methods and processing parameters for uranium recovery depends on multiple factors that are primarily associated with the geological and geotechnical characteristics of a uranium depositits mineralogy and rock type, as well as a range of other factors.

        • Uranium mining by in-situ leaching Robert B. Laughlin

          URANIUM MINING BY IN-SITU LEACHING By A. K. SARANGI * and K. K. BERI ** ... The growth of uranium mining normally follows the pattern of growth nuclear power generation capacity. In India, the Government is committed to appreciable increase in contribution of nuclear ... Each well while in operation is provided with a flow meter,

        • Honeymoon Uranium Project Mining Technology

          Mining developments The Honeymoon mine development will involve basic wellfield design comprising seven wells (six injection wells and one production well). The six injection wells will be drilled in hexagonal pattern at a spacing of 20m to 60m depending on the permeability of the ore zone.

        • In situ leach mining and hot dry rock (HDR) geothermal ...

          Geothermal energy technology 303 IN SITU LEACH MINING TECHNOLOGY The US Bureau of Mines carried out a programme of studies on leach mining technology from the early 1970's . In 1986, the Bureau began a research programme emphasising leach mining of shallow to moderately deep copper oxide ores, aiming to provide industry with the technology to design an in situ copper leach mining

        • US Patent for In-situ mining method and apparatus Patent ...

          A two-phase ammoniacal leach solution containing oxygen bubbles is forced under high pressure through an injection hole several thousand feet deep into a leaching interval of a deep lying deposit containing copper or nickel or copper and nickel.

        • In Situ Copper Leach Mine Design Procedure

          Investigate the feasibility of a new mining method-in situ leach mining-as an alternative to conventional mining for copper. Study fundamental leaching technology that will facilitate future commercial operations.

        • In Situ Leach (ISL) Mining of Uranium Robert B. Laughlin

          In Situ Leach (ISL) Mining of Uranium (June 2009) z Most uranium mining in the USA and Kazakhstan is now by in situ leach methods, also known as in situ recovery (ISR). z In USA ISL is seen as the most cost effective and environmentally acceptable method of mining, and Australian experience supports this.

        • In-Situ Leaching Decommissioning Projects USA

          On May 30, 2008, Cogema Mining Inc. requested a license renewal for its Christensen Ranch / Irigaray in-situ leach uranium mine site. The site is currently undergoing groundwater restoration.

        • 4 Uranium Mining, Processing, and Reclamation Uranium ...

          Key Points The choice of mining methods and processing parameters for uranium recovery depends on multiple factors that are primarily associated with the geological and geotechnical characteristics of a uranium depositits mineralogy and rock type, as well as a range of other factors.

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