Safety distance of high pressure line in sand mining field

MJ Series Jaw Crusher

MJ Series Jaw Crusher

MJ series jaw crusher is mainly used as a coarse crushing crusher. Its purpose is to crush rocks into smaller particle sizes for subsequent processing…

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MC Series Single-Cylinder Hydraulic Cone Crusher

MC Series Single-Cylinder Hydraulic Cone Crusher

MC series single cylinder hydraulic cone crusher is used in secondary and fine crushing operations. It is widely used in metallurgy, construction, highway,…

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ML Series Vertical Shaft Impact Crusher

ML Series Vertical Shaft Impact Crusher

Vertical shaft impact crusher is often used in the final crushing circuit. Due to the ability to produce fine-grained final products, ML series vertical…

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MD Series Multi-Cylinder Hydraulic Cone Crusher

MD Series Multi-Cylinder Hydraulic Cone Crusher

MD series multi-cylinder hydraulic cone crusher is used in the second and third stages of mineral processing and stone crushing, as well as the superfine…

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MF Series Fixed Shaft Circular Vibrating Screen

MF Series Fixed Shaft Circular Vibrating Screen

In order to eliminate the phenomenon of unbalanced vibration, unstable amplitude, on/off bounce, poor screening effect, and cracking of the screen box…

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MGD Series Vibrating Feeder

MGD Series Vibrating Feeder

MGD series vibrating feeder is designed for ultra-heavy working conditions and is suitable for feeding materials to primary jaw crushers, primary impact…

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MGB series hopper discharge feeder

MGB series hopper discharge feeder

MGB series hopper discharge feeder is mainly used for the uniform, quantitative and automatic control of under-silo feeding of bulk materials.…

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MZA/K Series Circular Vibrating Screen

MZA/K Series Circular Vibrating Screen

MZA/K series circular vibrating screen produced by Meilan has an axis-eccentric circular vibrating screen, which can be used for dry and wet classification…

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  • OBORTS Company, Opposite the residence of old General Mambou, Near Dragage, Bastos, Yaoundé, Cameroon
    Email: [email protected]

  • Safe Work at High Pressure -- Occupational Health & Safety

    Aug 01, 2013· A new line of protective gear, including gloves, coveralls, aprons, jackets, and pants, can withstand high levels of pressure. The high-pressure safety gloves provide protection and flexibility to

  • Production Packers - Halliburton

    Compact packer design, combines the production features of permanent packers with the added feature of being retrievable, suited for intermediate and high-pressure well applications. Our retrievable production packers are tested, validated and manufactured to API11D1/ISO14310 V6 …

  • Welcome to Petroleum and Natural Gas Regulatory Board, India

    Where ‘D’ is the outside diameter of the steel pipe. Use of Miter bend shall not be permitted.. The minimum bend radius for hot bends shall be 3D.. 1.8.5 Insulating Joints. Insulating joints shall be provided to electrically isolate the buried pipeline from the above ground pipeline, station piping and shall allow smooth passage of pigs.

  • Mining - SlideShare

    3.Shaft mining is a type of underground mining doneby use of a mine shaft. A mine shaft is a verticalpassageway used for access to an underground mine. 20. 4.Hard Rock mining refers to various techniques usedto mine ore bodies by creating underground "rooms"supported by surrounding pillars of standing rock. 21.

  • Cameron Pressure Control Equipment Schlumberger

    Our focus is on the safety of drilling operations, so we design, engineer, and test technologies that meet and often exceed regulatory requirements. Recognized for excellence in manufacturing, every piece of Cameron pressure control equipment integrates highly tested material and superior engineering—along with a century of experience and the

  • Possible Safety Distances to Consider for EMF Sources

    Thus, there is no reliable safety distance for neighborhood power lines. In general, a magnetic field level of 0.5 mG will be reached somewhere between 10 and 200 feet from the wires. But you cannot tell by simply looking up at the power lines. You have to test on-site with a gaussmeter to be sure.


    Pressure — Know the system pressure, including pressure spikes. The hose’s published working pressure must be equal to, or greater than, the normal system pressure and any pressure surges it will encounter. Ends or Couplings — Identify the type of threads the system uses and select couplings that are compatible with those thread types.

  • Gas lift - PetroWiki

    Jul 01, 2015· Gas lift is a method of artificial lift that uses an external source of high-pressure gas for supplementing formation gas to lift the well fluids. The principle of gas lift is that gas injected into the tubing reduces the density of the fluids in the tubing, and the bubbles have a …

  • Study on Deformation Law of Subway Construction under

    In the crossing area, the distance between the top of the tunnel and the pile foundation is 6.2 m and the distance between the tunnel and the existing track surface is 19.6 m. It is required that the settlement of track caused by the new tunnel construction should not exceed 2 mm.

  • Sand mining - Wikipedia

    Sand mining is a practice that is becoming an environmental issue in India. Environmentalists have raised public awareness of illegal sand mining in the states of Maharashtra, Madhya Pradesh, Andra Pradesh, Tamil Nadu and Goa of India. Conservation and environmental NGO Awaaz Foundation filed a public interest litigation in the Bombay High Court seeking a ban on mining activities along the

  • 7 Safety Incidents You Should Look Out for in the Oil

    Mar 10, 2016· Rather, they need to be cultivated to ensure the safety of the Oil & Gas industry’s most valuable asset—your employees. UPSTREAM, MIDSTREAM OR DOWNSTREAM—HERE ARE THE FACTS. In 2014, the U.S. Occupational Safety and Health Administration reported the Oil & Gas fatality rate is seven times greater than the rate for all U.S. industries.

  • Slickline - Wikipedia

    Slickline refers to a single strand wire which is used to run a variety of tools down into the wellbore for several purposes. It is used during well drilling operations in the oil and gas industry. In general, it can also describe a niche of the industry that involves using a slickline truck or doing a slickline job.

  • Oil and Gas Pipeline Design, Maintenance and Repair

    • This allows the pipeline to withstand very high pressure, often above 1000 psig and sometimes above 3000 psig. in the line . PE 607: Oil & Gas Pipeline Design, Maintenance & Repair 12 Maximum for sand and gravel 0.165 Granular materials without cohesion 0.1924 Type of Soil Value of Kn'

  • 3 Technologies in Exploration, Mining, and Processing

    High-pressure rolls are currently being used successfully to comminute cement clinker and limestone (McIvor, 1997). The use of high-pressure rolls in the mining industry has been slow, however, because of the high capital cost of the units and because the process has to be dry.

  • Air Flow Pressure Calculator - Gates Corporation

    Air Flow Pressure Calculator The Gates Air Flow Pressure Calculator helps you understand your operation’s air flow issues, so you can find effective solutions to reduce maintenance, eliminate hose malfunctions, avoid costly downtime, and improve operational efficiency.

  • Insight into the safety distance of ground and underground

    Mar 01, 2021· Safety distance. The accident consequence Case l can simulate the influence distance l i, and get the weighted safe distance l n of the storage tank through arithmetic weighting. Then, on this basis, l r was obtained by adding 10% redundancy, that is, the equivalent safety distance l. (5) l …

  • Cyclic Steam Stimulation - an overview ScienceDirect Topics

    James J. Sheng, in Enhanced Oil Recovery Field Case Studies, 2013 16.1 Introduction. In cyclic steam stimulation (CSS), steam is injected into a production well for a period. Then the well is shut in and allowed to soak by steam for some period before it returns to production. The initial oil rate is high because of high initial oil saturation, high increased reservoir pressure, and lowered

  • Mine Backfill - Paterson & Cooke

    Mine Backfill The design of deep level backfill distribution systems for hydraulic and paste backfill was revolutionized by Paterson & Cooke’s full flow design methodology. Our expertise covers recipe formation, backfill production plants, pump and pipeline delivery systems through to stope placement. Paterson & Cooke continues to set the standard for backfill service by performing […]

  • Safe Gauge High-Pressure Hydraulic Testing Unit is Passing

    Nov 21, 2019· Announcement 21 November 2019 Luke Dawson Managing Director of Safe Gauge Pty Ltd announced today that a Safe Gauge High Pressure Hydraulic Testing Beta Unit is performing to specification in field Validation in Use Trials at a heavy plant maintenance facility in Hunter Valley NSW. Additional Beta Units are available to be placed with users […]

  • Hydrotransport Pipelines: Basic Design Principles Oil

    Mar 03, 2021· Both high pressure and low pressure spots can be dangerous for slurry lines. High discharge pressures signal a downstream blockage and can eventually lead to full stoppage of the line. As the pipeline begins to sand, flow is restricted, which increases the level in the SPP pumpbox.

  • Slurry Pumps - MHWirth

    Power industry (high concentrate slurry disposal (HCSD) for ash and coal slurry, long-distance transport) Product Portfolio. MHWirth offers a full line of high-pressure slurry pumps covering every type of slurry application. These field-proven heavy-duty pumps have …


    explosives for a subsequent blast. Both holes were cleaned out using a high pressure compressed air line (a 7/8-inch diameter, high density, polyethylene air hose referred to as a grout line), operating at a pressure of approximately 115 pounds per square inch (psi). The No. 11 hole was

  • Pressure Testing (Hydrostatic & Quality Consensus

    3.3.4. Immediately stop and correct any safety related non-compliant activities. 3.4. Employee Responsibilities 3.4.1. Do not enter or otherwise be present at a pressure-testing event unless you are part of the testing team. 3.4.2. Personnel performing the test should approach the pressured line only in the performance of their duties.

  • Study on Deformation Law of Subway Construction under

    Bai et al. established the extension theory model to evaluate the grouting effect of the water-rich sand bed. Zhu et al. studied the effect of grouting rate on formation reinforcement in high-pressure jet grouting. Many scholars have studied the applicable conditions and reinforcement quality of high-pressure jet grouting. [28–31].

  • Enforcement & Monitoring Guidelines for Sand Mining

    Enforcement & Monitoring Guidelines for Sand Mining Page 5 in sustainable sand mining guidelines as well as notification dated 15.01.2016 ought to be scrupulously followed.”…It is a known fact that in spite of the above-suggested guidelines being in existence, on the ground level, illegal mining is …

  • An Experimental and Analytical Research on the Evolution

    Jul 21, 2020· where τ′ is the effective shear stress of crack plane.When the principle stress σ 1, σ 3 and seepage pressure P meet the Eq. (), the mining-induced rock cracks will appear, so the Eq. () is the initiation criteria of shear cracks.It can been seen from Eq. () that whether a rock shear crack is initiated is related to factors including the cohesion, internal friction angle, principle stress

  • Safety Requirements For Excavation Adjacent To Natural Gas

    The US Department of Transportation, Pipeline & Hazardous Materials Safety Administration (PHMSA) oversees minimum safety regulations for the transportation of natural gas by pipelines. The DOT safety regulations are currently published in Title 49, Part 190, 191, 192 & 199 of the Code of Federal Regulations (CFR).

  • Separation Distances in NFPA Codes and Standards

    Dec 15, 2014· example, the chemical safety field as a whole needs to study hazards and how they could many such affect one another. Through validation of the separation distances outlined in the NFPA code, safety and productivity can be maintained for the community by reducing accidents due to insufficient separation


    high pressure, e.g. pumping surges in weakened brittle materials. ˇ $12/&’. These may be caused by an impurity or inclusion in the wall of the pipe wall or, more often, by localized chemically or electrically induced corrosion which thins and weakens the pipe wall until a small plug is blown out by internal pressure.

  • Oil, Gas and Petrochemicals press

    Long-distance tie-back of a marginal high-pressure field to existing topsides. Tie-back of a marginal high-pressure field into existing subsea infrastructure. High-pressure fields where a Floating Production Storage and Offloading (FPSO) vessel with flexible risers is preferred. In the case of long-distance high-pressure

  • High Wall Safety In Surface Mining: The Changing Seasons

    Mar 14, 2016· High Wall Safety In Surface Mining – How can you stay safe? A thorough work place exam every day , at every task is an absolute necessity. Not only is a workplace exam required by law, it also gives you an opportunity to see any changing conditions of the high wall.

  • Slope Stability Determination Guidelines

    SLOPE STABILITY DEFINITION & DETERMINATION GUIDELINE February 2014 1/8 LONG TERM STABLE SLOPE LINE: consists of the Stability Component and the Erosion Component STABILITY COMPONENT Definition: The setback gradient line measured from the toe of the slope, or channel assuming the location of the toe remains fixed with time.

  • Flowlines IPIECA

    The ENI Petroleum K2 field production flowline system consists of two HT/HP (high temperature and pressure) pipe-in- pipe (PIP) flowlines that tie back three oil wells located at Gulf of Mexico Green Canyon 562 to the Marco Polo TLP in a maximum water depth of approximately 4,300 ft (1,310 meters).

  • Mine worker dies after being hit in chest by - Mine Safety

    The US Mine Safety & Health Administration has released an accident investigation report outlining a fatal incident where a 20-year veteran mine worker was hit in the chest with stemming materials while trying to clear a blast hole with a compressed air line.. MSHA said that on October 2, 2018, Brendan DeMasters (victim) began work at 7:00 a.m., his normal starting time.

  • Sand Mining and Transport: Potential Health Effects

    Exposures From Sand Mining, Processing, and Handling • Sand mining and processing generate airborne PM and respirable crystalline silica –Blast, load, and haul –Process activities such as crushing –Shipping and disposal of “waste sand” • Occupational exposures (miners, transporters) –Common to exceed OSHA standards for respirable

  • Oil and Gas Extraction - Overview Occupational Safety

    Over 450,000 workers were employed in the oil and gas extraction and support industries in 2011 (Quarterly Census of Employment and Wages).These workers are engaged in many different industrial processes needed to successfully drill and service a well.

  • Mining industry and sustainable development: time for

    The high‐pressure injection of water and sand breaks the shale layers opening fissures that facilitate the escape of natural gas (gaseous hydrocarbons including methane, propane, etc.) from the rock matrix, rendering possible to pump them to the surface (Fig. 8).

  • Support failure of a high-stress soft-rock roadway in deep

    Nov 30, 2015· There are many soft-rock roadway coal mines in China. The surrounding rocks of the high-stress soft-rock roadways in deep mine are especially difficult to be supported using the traditional supporting way. In this study, the south wing rail roadway on the second level of Yunjialing coal mine in China was used as an example to analyze the deformation and failure characteristics and influencing


    Lbs Sand hour 1,336 1,512 1,680 1,856 2,024 2,352 AIR BLAST PRODUCTION RATES Blast nozzle spray patterns are affected by orifice size, air pressure, and distance from the workpiece. The total diameter of the blast pattern increases as the distance from the workpiece is increased.

  • Blasting Safety Regulations - Occupational Health and

    Citation. 1 These regulations may be cited as the Blasting Safety Regulations.. Application. 2 These regulations apply to every workplace to which the Occupational Health and Safety Act applies and at which blasting activity is conducted, other than a mine as defined in the Underground Mining Regulations made under the Act.. Definitions. 3 In these regulations,

  • CDC - Mining Project - Identifying Hazards at Mines - NIOSH

    Oct 01, 2014· Initial testing took place in NIOSH laboratories. Experienced and novice SSG mine workers, SSG mine safety professionals, and mining students participated in the study. During data collection, participants were shown panoramic pictures of work locations that include a variety of hazards, then asked to identify the hazards.

  • Yanchun Xu's research works China University of Mining

    The underground space of a coal mine is subjected to frequent mining stresses, such as dynamic pressure roadways (Qin et al. 2019; Xu et al. 2020), working face mining (Huang et al. 2018), and

  • Identifying Minimum Safe Distance between Adjacent

    of high-pressure gas pipeline on adjacent oil pipeline, the particle velocity impact after high-pressure gas pipeline blasting on adjacent oil pipeline and non-joint cathodic protection interference between parallel pipelines, are respectively described in detail. Furthermore, the method of identifying safe distance is also discussed.