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Topic: Gas flare


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In the News (Thu 24 Dec 09)

  
  Gas flare Summary
A gas flare or flare stack is an elevated vertical stack or chimney found on oil wells or oil rigs, and in refineries, chemical plants and landfills used for burning off unusable waste gas or flammable gas and liquids released by pressure relief valves during unplanned over-pressuring of plant equipment.
Flaring and venting of natural gas in oil wells is a significant source of greenhouse gas emissions.
The World Bank estimates that 100 billion cubic meters of natural gas are flared or vented annually, an amount equivalent to the combined annual gas consumption of Germany and France.
www.bookrags.com /Gas_flare   (1183 words)

  
  Gas flare - Wikipedia, the free encyclopedia
A gas flare or flare stack is an elevated vertical stack or chimney found on oil wells or oil rigs, and in refineries, chemical plants and landfills used for burning off unusable waste gas or flammable gas and liquids released by pressure relief valves during unplanned over-pressuring of plant equipment.
Flaring and venting of natural gas in oil wells is a significant source of greenhouse gas emissions.
The World Bank estimates that 100 billion cubic meters of natural gas are flared or vented annually, an amount equivalent to the combined annual gas consumption of Germany and France, twice the annual gas consumption of Africa, three quarters of Russian gas exports, or enough to supply the entire world with gas for 20 days.
en.wikipedia.org /wiki/Gas_flare   (580 words)

  
 Alexander's Gas & Oil Connections - Nigerian gas flare reduction begins to yield positive dividends
A further decomposition of the gas utility and gas flare trend on monthly basis indicated that of the estimated 4.708 bn (166.256 bn cf) cm produced in January, 2.240 bn metres or 48 % was utilised while 52 % was flared.
For instance, apart from the policy measures, the hiking of the penalties on gas flaring from the old 10 kobo/1,000 cf to N 10 for the same volume a few years ago was intended to deter gas flaring and promote its improved utilisation in the country.
The current declining gas flare trend may not be unconnected with the improved awareness being created on the utility of gas as a cheaper, and more environmental-friendly source of energy at all levels of domestic economic activities.
www.gasandoil.com /goc/news/nta14306.htm   (674 words)

  
 Encyclopedia :: encyclopedia : Gas   (Site not responding. Last check: 2007-09-21)
The kinetic energy per molecule in a gas is the second greatest of the states of matter (after plasma).
A gas that is ionized (or even partially ionized) becomes a plasma, the fourth state of matter because its properties are quite different to solids, liquids and gases.
The word "gas" was probably coined by a Flemish chemist as a re-spelling of his pronunciation of the Greek word chaos.
www.hallencyclopedia.com /topic/Gas.html   (353 words)

  
 Flare - Wikipedia, the free encyclopedia
Solar flare, an eruption of plasma from the surface of the sun
Satellite flare, a phenomenon caused by the reflective surfaces on satellites
Flare, the sudden expansion of the tip of a stallion's penis during equine reproduction
en.wikipedia.org /wiki/Flare   (183 words)

  
 Utility flares and steam assisted flares by Zeeco
Forced air from the blowers and gas from the flare header are routed separately from the base of the flare stack to the top of the flare.
Flame lick on the exterior of the flare and burnback inside the flare tip, are virtually eliminated by the forced air from the blowers, which create a strong upward velocity, making the impact from the wind minimal in shaping or moving the flame.
The gas is broken into multiple exit points and each point inspirates large quantities of air to reduce the flame temperature and to ensure quicker mixing of the hydrocarbons with air for combustion.
www.zeeco.com /flares/flares.html   (1103 words)

  
 Gas Flares,. Oil Companies, and Politics In Nigeria By Chijoke Evoh
Hence, it is not necessarily an ecological or social crime to flare gas.
Rather, what is questionable is the claim of the oil companies that technologies needed to mitigate gas flaring is presently beyond their reach, hence their demand for sufficient time to acquire it.
Above all, a monitoring system to curb gas flaring which is perceived to be corrupt or penalties that are sufficiently low to make it profitable to engage in continuous flare are two dangers that will continue to undermine any effort to attain terminal flare in Nigeria.
www.waado.org /Environment/OilCompanies/GasFlaresPolitics.html   (2171 words)

  
 Flare Gas Recovery from Oil Wells, Landfills or Waste Treatment Plants | Marson Energy
The gas being flared today from your oil well, landfill or waste treatment plant could be used to provide heat and power for your facility or community.
Putting flare gas to work for generation means reducing emissions and decreasing your reliance on distant power plants fueled by natural gas and coal.
Gas is usually flared because it is thought to be waste.
www.marsonenergy.com /drupla/node/12   (351 words)

  
 Oilfield Glossary: Term 'flare'   (Site not responding. Last check: 2007-09-21)
Flaring is a means of disposal used when there is no way to transport the gas to market and the operator cannot use the gas for a another purpose.
Flaring generally is not allowed because of the high value of gas and environmental concerns.
A flare is usually situated near a producing well or at a gas plant or refinery.
www.glossary.oilfield.slb.com /Display.cfm?Term=flare   (107 words)

  
 dti: Oil and Gas Directorate - Regulation: Guidance notes
Historically gas flared was represented in terms of a disposal efficiency, developed by performing a gas balance.
A number of fields have flares which are relatively small and in these circumstances the DTI considers it unnecessary for the operator to include the full details as requested in the pro-forma.
The estimated inerts and molecular weight of the inerts contained in the flare gas is to allow DTI to evaluate `source gas' CO2 as distinct from `formed on combustion' CO2.
www.og.dti.gov.uk /regulation/guidance/flare_vent.htm   (1323 words)

  
 DRDB: SCAQMD 1118 EMISSIONS FROM REFINERY FLARES
CLEAN SERVICE FLARE is a gas flare that is designed and configured by installation to combust only natural gas, hydrogen gas and/or liquefied petroleum gas, or any other gas(es) with a fixed composition and vented from specific equipment which has been determined to be equivalent and approved in writing by the Executive Officer.
GAS FLARE is a combustion device used to dispose of combustible gases and a device which is not subject to RECLAIM at a RECLAIM facility.
If sampling of vent gas is exempt due to a catastrophic event as specified in paragraph (h)(1) of this rule or not required due to flare events shorter than 30 minutes, the estimated higher (gross) heating value and total sulfur content shall be considered as a representative sample.
www.arb.ca.gov /drdb/sc/suphtml/1118_s_11-04-05.htm   (3010 words)

  
 Gas Flare System   (Site not responding. Last check: 2007-09-21)
The nozzel on gas flares requires a sealing system capable of withstanding temperatues to 750F (400C) and pressures to 30,000 psi (200 MPa).
Gas flare line, which recover hydrocarbon gas in the flare system and route the gas back to the main process, remain closed during recovery of the flare gas by means of a valve installed downstream of the flare knock-out drum.
An effective seal is critical to avoid failure of the nozzle that opens as gas is diverted to the flare.
www.busakshamban.us /case.histories.htm?cs=119   (122 words)

  
 [No title]
In the case of flared natural gas, and various types of gas burners, air or pure oxygen \expndtw6 is mixed with the gas at the base of the burner so that carbon is consumed almost \expndtw1 instantaneously at the mouth of the burner.
Natural gas burned with air can produce flame \expndtw0 temperatures in excess of 1930\loch\af0\hich\af0\dbch\f1\cchs0 \'b0\hich\af0\dbch\af1\loch\f0\cchs0 C (3500\loch\af0\hich\af0\dbch\f1\cchs0 \'b0\hich\af0\dbch\af1\loch\f0\cchs0 F).}\par \pard \plain \cbpat8\qj\li1421\fi0\ri62\sb77\sa0\sl-288\slmult0 \f1\fs20{\b0\i0\cf1\charscalex100\expndtw-1\dn0\f1\cchs0\lang1033\fs24 Because of the critical role of combustion in the production of power, a great deal of research \expndtw3 effort is devoted to finding ways to burn fuels more efficiently.
Unless a gas is \expndtw7 degraded or removed by ciliary action, exposure for prolonged periods or to high \expndtw3 concentrations may saturate the mucus, that is, exceed its capacity to dissolve any more.
www.elaw.org /assets/word/Ng.1998GasFlareStudyChapter3.doc   (4901 words)

  
 John Zink: JZ Flare Gas Recovery
flare gas recovery units are a smart solution to reduce combustion emissions, such as NOx, CO and CO2, and turn environmental liability into positive cash flow.
As a world leader in flare and recovery technologies, John Zink is the choice supplier to integrate a flare gas recovery unit with your flare system.
Flare Gas Recovery payback analysis diagram for approximate figures for your application.
www.johnzink.com /products/fgr/html/fgr_jz.htm   (173 words)

  
 Landfill Gas To Energy
Flare Gas Recovery, Vapor Recovery, Waste to Energy and Vapor Recovery Units recover valuable "waste" or vented fuels that can be used to provide fuel for an onsite power generation plant.
Flare gas recovery and vapor recovery units can be located in hundreds of applications and locations.
Thermal wheels use the exhaust gas to heat a wheel with a medium that absorbs the heat and then transfers the heat when the wheel is rotated into the incoming airflow.
www.cogeneration.net /Landfill_Gas_To_Power.htm   (1715 words)

  
 US EPA - Gas STAR - Newsroom - Journal Articles
The goal of the Gas STAR Program is to encourage the natural gas industry to reduce methane emissions through market-based activities that are both profitable for industry partners and beneficial to the environment.
The study found that, at a gas value of $2.00/mcf, Dynegy could cost-effectively reduce 52.7 percent of the total methane emissions from fugitive equipment leaks at the Chico plant, and 89.6 percent of the methane emissions from leaks at Sand Hills.
These include the common natural gas components pentane, butane, propane, ethane, and methane, the heavier of which are extracted from the gas stream as valuable natural gas liquids.
www.epa.gov /gasstar/news/methanereduction.htm   (3860 words)

  
 Enerflare Portable Oilfield Ground Flare Systems
Flared gases are not homogenous: molecular weight and lower heating value can very greatly between wells and / or over the course of a few hours on the same well.
Energy required for mixing is found in the flare gas as it exits the injector through a series of ports.
Primary airflow across the injectors is manually adjustable to maintain a stable flame during flaring of low-btu gas.
www.enerflare.ca /series090.html   (732 words)

  
 Ground water remediation
The gases may be sent to a flare or other vapor control device and the liquid is usually sent to a treatment station.
The exhaust gas from the separators is enriched with propane and burned in a gas flare.
Flare / pilot control station with flare and water separator in the background.
www.purgit.com /separator/gas_separator.html   (263 words)

  
 Landfill Gas Rule
For major sources of air pollution, the regulations specify engineering standards for a "well-designed and well-operated" gas control system, a system that will achieve "the maximum degree of reduction in emissions of HAP that is achievable," at least as much reduction in pollutants as the best-performing 12 percent of landfill gas control systems.
The success of a landfill in destroying air toxics is determined by testing for methane concentrations within 10 centimeters of the surface of the landfill, every 30 meters around the perimeter of the landfill and along a zig-zag transverse across the surface of the landfill and around the perimeter.
Other requirements under the landfill gas rule include maintaining a negative pressure (vacuum) within a certain distance from all gas wells and at all wellheads, preventing infiltration of outside air into any gas lines, and maintaining a constant flame at all flares or combustion devices.
www.homestead.com /concernedcitizens/landfill_gas.html   (1563 words)

  
 SECCRA - gasmonitoring
Landfill gas (LFG), which is generated by the decomposition of waste within the landfill.
LFG is withdrawn from the landfill using a vacuum pump which is connected to extraction points installed in the landfill, and directed to an on-site flare where the compounds are destroyed and the odors are removed.
SECCRA also plans to install gas monitoring probes around the perimeter of the waste disposal areas.
www.seccra.org /gasmonitoring.html   (176 words)

  
 [No title]
It was therefore decided to investigate the effects of the gas flares in the Ebocha area on the rain water falling of corrugated iron roofs of the surrounding towns and villages.
Gas flaring With the background given in the Introduction, one needs to look at what happens when associated gas is flared at the various Flowstations.
The composition of associated gas was not determined but it is not likely to be significantly different in composition from the feed gas to be supplied to the liquefaction plant of the LNG project reproduced in Table 2, as far as the principal fraction methane is concerned.
www.elaw.org /assets/word/Ng.GasFlares.AcidRain.Ebocha.doc   (2048 words)

  
 Gas Liquids Engineering Ltd.   (Site not responding. Last check: 2007-09-21)
Gas Liquids Engineering has engineered and managed construction of over 3000 km of pipeline in over 650 projects for companies including:
Conducted a mechanical reliability study for the 65 km of produced water pipelines, 50 km gas gathering and oil flowlines (ranging from 4"Ø to 12"Ø).
Designed flare system modifications at the miscible flood plant in order to avoid the utilization of the flare pit.
www.gasliquids.com /pipelines.html   (976 words)

  
 Vetco Gas Technology : Products : Flare Gas Recovery :
During normal operation, the flare gas recovery system should capture the underlying flare gas that continuously leaks into the flare header and direct it back into the gas processing facility.
The flare is an essential safety system, used for the safe disposal of flows from pressure safety valves and depressurisation of processing equipment.
The flare is the most visible sign of wasted resources and pullotion from oil, gas and petrochemical plants.
www.vgt.no /default.asp?k=46&id=81   (510 words)

  
 Alexander's Gas & Oil Connections - Nigeria’s Obasanjo takes hard-line stance on gas flare deadline
Although the president did not spell out the sanctions for oil firms that fail to meet the ultimatum when he met with the chief executives of the operating companies, Obasanjo, according to his aides, was however, categorical that the zero flare deadline must be met.
At about 57 % of the daily production of over 2 bn cf, the volume of flared gas is said to be capable of generating up to 6 GW of electric power annually.
Kupolokun said that a Natural Gas Team has been raised by the joint venture partners to tackle the gas issue, with a target date of first quarter of 2007.
www.gasandoil.com /goc/news/nta53380.htm   (692 words)

  
 flaring in Ridgid tools at Tool.Coderdir.com. Page 1   (Site not responding. Last check: 2007-09-21)
Nasal flaring refers to enlargement of the opening of the nostrils during breathing.
Definition: Nasal flaring refers to enlargement of the opening of the nostrils during breathing.
Nasal flaring is often an indication that increased...
tool.coderdir.com /Ridgid%20tools/flaring   (290 words)

  
 Flare Flowmeter validates calibration while installed., Fluid Components Intl.
In flare flow metering applications, with its large line sizes, regulatory agency specifications, and emissions reporting requirements, the downtime and costs are particularly extreme.
The GF03 Flare Flowmeter equipped with VeriCal is a single-sensing element, single-insertion point that meets the accuracy, range and resolution required by the most stringent air pollution regulations at total installed costs of up to 50% less than alternative technologies.
Other flare flow sensing technologies, such as orifice plates and Venturi tubes, do not meet today’s flare emission reporting regulations, are difficult to install, prone to excessive maintenance and have no simple technique for in-situ calibration validation.
news.thomasnet.com /fullstory/31699   (1127 words)

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