open pit method of mining bitumen

open pit method of mining bitumen

Open-pit mining - Wikipedia

Open-pit mining, also known as mega-mining, open-cast or open cut mining, is a surface mining technique of extracting rock or minerals from the earth by their removal from an open-air pit, sometimes known as a borrow. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining. Open-pit mines are used when deposits of commercially useful ore or rocks are found near the

Surface Mining Techniques used in the Oil Sands Oil ...

Mar 03, 2021  Surface mining is defined as the extraction of ore from an open pit or burrow. Surface mining is sometimes known as open-pit, open-cut or open-cast mining and is only commercially viable if the deposit is located relative close to the surface. Less than 20% of Alberta's bitumen reserves are close enough to the surface to be mined.

Mining for Bitumen Oil Sands Magazine

Mar 03, 2021  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 ...

Open Pit Mining - an overview ScienceDirect Topics

8.2.3.1 Open pit mining. Open pit mining refers to mining directly on the ground surface, thereby producing an open pit. This method is practical and cost-effective when the uranium ore is located near the surface (e.g., within 100 m). Underground mining and ISL methods may be considered for sites that have uranium ores at deeper depths.

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

BITUMEN IN NIGERIA - Abuja office - 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

How is oil extracted from tar sands? - Defend The Earth

Jul 20, 2020  The methods of oil extraction: To begin with, there are two ways to extract crude bitumen and turn it into a usable product: open-pit mining and in situ (in place) 5. However, the technique used largely depends on the depth of the deposit 5.

Reading: Open-Pit Mining Geology - Lumen Learning

Open-pit mining, or open-cast mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.. This form of mining differs from extractive methods that require tunneling into the earth, such as long wall mining. Open-pit

Open-Pit Mining Methods

Apr 08, 2020  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. The removal of this material is known as stripping.

Oil Sands Processes

Open Pit Mining. After identifying the potential source of bitumen, the area is cleaned and overburden is removed to ensure the smooth and continuous recovery of oil sands. Once the land is cleaned, it is ready to mine. The first step is to collect the oil sands ore from the ground and transport it to a crushing facility.

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

Tar Sands - The Strauss Center

Mining: Open-pit mining is the most common form of tar sands extraction. This method requires the use of large hydraulic shovels to dig up tar sands and load them onto trucks carrying up to 320 tons per load. The oil is finally extracted from the bitumen through a combination of heat, water, chemicals, and constant movement.

How is oil extracted from tar sands? - Defend The Earth

Jul 20, 2020  The methods of oil extraction: To begin with, there are two ways to extract crude bitumen and turn it into a usable product: open-pit mining and in situ (in place) 5. However, the technique used largely depends on the depth of the deposit 5.

Bitumen Mining and Processing in Nigeria; The Feasibility ...

To extract the bitumen in the oil sands, conventional oil drilling techniques cannot be used because bitumen is too heavy to be pumped and sticks to sand grains. Therefore other extraction techniques have been developed. The most common methods to extract bitumen are open-pit mining and in-situ, which is Latin for ‘in place’.

(PDF) The practicable combination of open pit with ...

Current operations are based on mining multiple pipes by the open-pit method, but as some pits deepen, converting to underground mining is being considered.As a test of underground mining methods ...

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. Surface mining leaves toxic Tailings ponds when the In-situ method uses more specialized ...

Coal mining - Choosing a mining method Britannica

Open-pit mining. In open-pit mining of the coal seam, several benches are established in both the overburden strata and the coal seam. The open-pit method is generally practiced where thick coal seams are overlain by thick or thin overburden; it is also used for mining steeply pitching coal seams.

What Is The Process Of Open Pit Mining

Open Pit Mining Pros Cons eHow. Open Pit Mining Pros Cons. Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining

Oil Sands Mining — Productions — Student Energy

Oil sands are a mixture of sand, water, clay and bitumen found in several locations around the globe, with the largest reserve located in Alberta, Canada. Oil sand can be upgraded into synthetic crude oil and other petroleum products 1. There are two different methods of producing oil from oil sands: open-pit mining and in situ.Bitumen that is close to the surface (less than 75 metres) is mined.

Exploration and production practice of oil sands in ...

Mar 12, 2020  The geologic reserves of oil sands are calculated with the method of weight percentage of bitumen. Open-pit mining practices and SAGD double horizontal well development tests are carried out, and good effects are obtained in SAGD production. At present, Fengcheng oil sands have been developed on a large scale with SAGD technology.

Athabasca oil sands - Wikipedia

Only 20 percent of bitumen can be extracted using open pit mining methods, which involves large scale excavation of the land with huge hydraulic power shovels and 400-ton heavy hauler trucks. Surface mining leaves toxic tailings ponds. In contrast, in situ uses more specialized techniques such as steam-assisted gravity drainage (SAGD).

Oil Sands Processes

Open Pit Mining. After identifying the potential source of bitumen, the area is cleaned and overburden is removed to ensure the smooth and continuous recovery of oil sands. Once the land is cleaned, it is ready to mine. The first step is to collect the oil sands ore from the ground and transport it to a crushing facility.

What Is The Process Of Open Pit Mining

Open Pit Mining Pros Cons eHow. Open Pit Mining Pros Cons. Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining

How is oil extracted from tar sands? - Defend The Earth

Jul 20, 2020  The methods of oil extraction: To begin with, there are two ways to extract crude bitumen and turn it into a usable product: open-pit mining and in situ (in place) 5. However, the technique used largely depends on the depth of the deposit 5.

Oil Sands Mining — Productions — Student Energy

Oil sands are a mixture of sand, water, clay and bitumen found in several locations around the globe, with the largest reserve located in Alberta, Canada. Oil sand can be upgraded into synthetic crude oil and other petroleum products 1. There are two different methods of producing oil from oil sands: open-pit mining and in situ.Bitumen that is close to the surface (less than 75 metres) is mined.

Open pit mining - SlideShare

Jul 31, 2017  Open pit mining is the process of mining a near surface deposit by means of a surface pit excavated using one or more horizontal benches. The term open pit mining is usually used for metallic or non-metallic deposits and sparingly used for bedded deposits like coal.

(PDF) The practicable combination of open pit with ...

Current operations are based on mining multiple pipes by the open-pit method, but as some pits deepen, converting to underground mining is being considered.As a test of underground mining methods ...

What are tar sands? American Geosciences Institute

Open-pit mining – if tar sands are found near the surface, as in Alberta, Canada, they can be mined directly – much like open-pit coal mining – and then transferred to an extraction plant where the bitumen can be separated from the sand, clay, and water.

(PDF) Surface Mine Design

(an open-pit mine) can be the most suitable method to extract the ore (Whyte and Cumming, 2007). Surface mining is the exploitation method in which minerals are

Coal mining - Choosing a mining method Britannica

Open-pit mining. In open-pit mining of the coal seam, several benches are established in both the overburden strata and the coal seam. The open-pit method is generally practiced where thick coal seams are overlain by thick or thin overburden; it is also used for mining steeply pitching coal seams.

Tar Sands by Alex MacLean (22PH) — Atlas of Places

Only 20 percent of bitumen can be extracted using open pit mining methods, which involves large scale excavation of the land with huge hydraulic power shovels and 400-ton heavy hauler trucks. Surface mining leaves toxic tailings ponds. In contrast, in situ uses more specialized techniques such as steam-assisted gravity drainage (SAGD).

Mining Technology for Natural Bitumen and Heavy Oil

The mining methods are applicable to shallow deposits, characterized by an overburden ratio less than 2.0, i.e., the overburden depth to thickness of tar-sand deposit is less than 2.0. The Athabasca deposit is mineable within current concepts of the economics and technology of open-pit mining. Because of the chemical and physical properties of the

Bitumen Recovery - an overview ScienceDirect Topics

James G. Speight PhD, DSc, in Introduction to Enhanced Recovery Methods for Heavy Oil and Tar Sands (Second Edition), 2016 8.5.3 Other Processes. It is conceivable that the problems related to bitumen mining and bitumen recovery for the tar sand may be alleviated somewhat by the development of process options that require considerably less water in the sand/bitumen separation

Open-pit Mining Simulation by MOSIMTEC - YouTube

This video demonstrates the benefits of using simulation in the mining industry. Benefits range from validating design, stakeholder communication, determinin...

An Integrated Model for Oil Sands Long-Term Mine Planning ...

resource, there are two extraction methods for oil sands bitumen: surface mining and steam-assisted gravity drainage (SAGD) technology. Surface mining is used for near-surface reserves, requiring an open-pit mine operation. Oil sands are dug up with shovels and moved by trucks to processing facilities where the recoverable oil is