open pit method of mining bitumen

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BITUMEN IN NIGERIA - Heinrich Böll Stiftung Nigeria

Open pit surface mining of bitumen in Canada. This aerial image shows a massive ... that Nigeria would use similar methods to extract bitumen as Canada, as the re-serves are geologically similar. Though- ... The Future of Bitumen in Nigeria Bitumen Depth determines which extraction method(s) can be used

Oil Sands Processes | Natural Resources Canada

The accessible ore of oil sands is located 50 to 200 m from the surface. Due to the difference in depth, recovery of oil sands ore calls for different techniques: open pit mining for shallow resources and steam assisted gravity drainage (SAGD) for deeper resources. These two oil sands processes techniques are described in more detail below.

open pit method of mining bitumen - amjstationery.in

open pit method of mining bitumen - atelierpiggypee.nl. Oil Sands - The Issues for Responsible Investors - open pit method of mining bitumen,Oil sands open pit mining in …

Rubber-modified bitumen materials for open-pit enterprises

Rubber-modified bitumen materials for open-pit enterprises ... has belonged to open-pit mining, which is the most ... and safest method. The scale of open-pit mining is increasing, both through an increased intensity of work at quarries and through the development of fields lying at depths of 300 m or more. As a result of this, there has been ...

Oil sands exploration incorporates both mining ...

Mining of the oil sands involves excavation of the bitumen-rich sand using open pit mining methods. This is the most efficient method of extraction when there are large deposits of bitumen …

Using sustainable development indicators (SDIs) for ...

Surface mining Out of the 1.6 million barrels per day (bbl/d) reached in 2010, 53% of the crude bitumen production used the open-pit mining technique while the other 47% used in-situ methods [3].

Unconventional Oil Exploration, Part 5: Oil Sands

Accelerating Science Advancing Mining / Oil and Gas / Unconventional Oil Exploration, Part 5: Oil Sands. ... Shallow deposits can be extracted using open pit mining but most oil sand reserves are located too far underground and require unconventional ... A method of in-situ bitumen recovery in which air is continuously injected into a bitumen ...

Athabasca Oil Sands Project, Canada - Mining Technology ...

Open pit mining / Clark extraction; SAGD, CSS, VAPEX & THAI in-situ methods ... Map showing the extent of the Athabasca Oil Sands. Oil sand bitumen is a mixture of sand, water and clay. ... viable. According to the National Energy Board, although some 33m³ of natural gas is needed to produce one barrel of bitumen from in-situ methods ...

open pit method of mining bitumen - amjstationery.in

open pit method of mining bitumen - rrcser.in. Oil Sands Definition | Investopedia. In Situ - This relatively new method is mainly used to get bitumen in oil sand that ... deep for open pit mining; therefore, in situ methods will likely be the future of...

BITUMEN IN NIGERIA - Heinrich Böll Stiftung Nigeria

Open pit surface mining of bitumen in Canada. This aerial image shows a massive open pit surface mine in Alberta, Canada. The foreground of the image shows the remnants of the boreal forest that was re-moved across the site. This middle ground of the image shows an active mining pit, while the background shows a tailing pond

Tar sands - Earthly Issues Site Map

Tar Sands Open Pit Mining, Alberta, Canada. After mining, the tar sands are transported to an extraction plant, where a hot water process separates the bitumen from sand, water, and minerals. The separation takes place in separation cells. Hot water is added to the sand, and the resulting slurry is piped to the extraction plant where it is ...

Alaska Tar Sands

The in-situ method will account for 80% of the total bitumen collected and open pit mining will only retrieve 20%. The open pit mining method requires large scale excavation of the land with huge hydraulic power shovels and 400-ton heavy hauler trucks.

Company plans to strip mine oil sands in northwest Alabama ...

Company plans to strip mine oil sands in northwest Alabama. ... MS Industries intends to recover bitumen exclusively through open pit mining, eschewing the more controversial method of injecting ...

World Coal Deposits - West ia University

Tar Sands- Strip Mining 13 Tar Sand Extraction method Open Pit Mining Crush Mix with hot water Bitumen floats (60% bitumen, 30%water, 10% solids) 1200 SCF of gas needed to process 1 bbl of bitumen (about 5x energy gain) Upgrading: remove water, sand, impurities, sulfur, catalytic hydrocracking, hydrogenation Bitumen Separation Cell,

2012 Americas School of Mines

Open pit mining Mining Methods 5 Open pit mines are used to exploit low grade, shallow ore bodies. However, some pits are quite deep – about 1 km. The mining rate is greater than 20,000 tonnes per day (tpd) but is usually much greater. Some pits operate at a rate of more than 100,000 tpd Open pit mining results in two waste streams: waste ...

Open-pit mining - Wikipedia

Open-pit mining is to be considered one of the most dangerous sectors in the industrial world. Open-pit mining also causes significant effects to the ecological land. This type of mining causes changes to vegetation, soil, and bedrock, which ultimately contribute to changes in surface hydrology, groundwater levels, and flow paths. Extraction

Open Pit Mining Techniques|Surface Mines|Rock or Mineral ...

Open-pit Mining Open-pit mining, also known as opencast mining, open-cut mining, and strip mining, means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. The word is used to distinguish this type of mining from extractive methods …

Basics of openpit mining - SlideShare

What is Opencast Mining• Opencast mining is also known as Open pit mining, Open cut Mining, Surface or Strip Mining.• The coal upto economical depth will be excavated by OC Method.• The current operating depth of OC mines in SCCL is about 200m and SCCL proposed to operate OC mines upto a …

Mining Technology for Natural Bitumen and Heavy Oil

1. Mining Technology for Natural Bitumen and Heavy Oil Proposed methods for recovery of heavy oil from reservoirs and bitumen from tar sand deposits are based either on in situ processes or on mining combined with some further processing or operation on the tar sands in situ. The typical in situ recovery methods …

2012 Americas School of Mines

Open pit mining Mining Methods 5 Open pit mines are used to exploit low grade, shallow ore bodies. However, some pits are quite deep – about 1 km. The mining rate is greater than 20,000 tonnes per day (tpd) but is usually much greater. Some pits operate at a rate of more than 100,000 tpd

Recovering the Oil - Canada's Oil Sands

Due to the depth of the reserves, recovery rates for the methods of extracting bitumen vary. Drilling methods cannot be used in mining areas, and vice-versa. Open-pit mining. Click image for larger version. Mining is used when deposits lie within 70 meters (200 feet) of the earth's surface – about 20 per cent of oil sands reserves.

Bitumen - an overview | ScienceDirect Topics

Open pit mining is the most economical recovery method of oilsands deposits that are close to the surface. Even with deposits close to the surface, there is some overburden material that does not contain oilsands, and that must be removed prior to recovery of the oilsands ore.

open pit mining methods - auto-spec.co.za

Open Pit Mining Methods. Open pit mining methods are applicable to mining ore deposits that apex at or near the surface. If the deposit apexes below the surface, the overburden and barren capping overlying the ore must be removed in advance of open pit mining…

OPEN PIT MINE PLANNING: ANALYSIS AND SYSTEM …

planning and design processes employed by surface mining oil sands operations vary in distinct ways from other commodities mined by both hard and soft rock open pit methods. The unique waste handling needs, including tailings disposal, of contemporary oil sands mining …

Oil Sands Extraction and Processing | Natural Resources Canada

Bitumen can be extracted using two methods depending on how deep the deposits are below the surface: in-situ production or open pit mining. In-situ Production. In-situ extraction methods are used to recover bitumen that lies too deep beneath the surface for mining …

Oil Sands - 2B1st Consulting

– Open-pit-mining if the deposit is on the surface – In-situ or drilling if the deposit is stocked underground as conventional crude. The method is selected in respect with the depth of the reserves. In Canada about 3% of the 140,000 square kilometers of land contain mineable deposit, the other 97% will require the in-situ approach.

What are the main methods of mining? | American ...

There are four main mining methods: underground, open surface (pit), placer, and in-situ mining. Underground mines are more expensive and are often used to reach deeper deposits. Surface mines are typically used for more shallow and less valuable deposits.

Mining for Bitumen | Oil Sands Magazine

Although exact circuit configurations vary among the operations, a typical oil sands mining facility consists of the following unit operations: an open-pit (or surface) mine. a bitumen production circuit where the bitumen is separated from the solids and water. a tailings storage facility or pond, where solids are stored and process water is ...