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Journal Articles
J Pet Technol 57 (12): 39–40.
Paper Number: SPE-1205-0039-JPT
Published: 01 December 2005
... is not conducive to phosphorus, and sulfur, which are plant temperature becomes higher, soil becomes plant life and soil microbial activity. macronutrients. In terrestrial ecosystems, most soil organisms that are important in more acidic, and TOC and nitrate and The results indicate that soils in all three soil...
Proceedings Papers

Paper presented at the ASSE Professional Development Conference and Exposition, June 26–29, 2016
Paper Number: ASSE-16-666
... next, from beginning to end, from conception to results, and beyond! category health & medicine macronutrient cardiovascular conditioning vegetable personal value vitamin meditation carbohydrate consumer health video protein behavior change health health change cardiovascular...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, March 25–28, 2001
Paper Number: SPE-69555-MS
... concentration and macronutrients were monitored. Heavy metals, PAHs and BETX were measured at the beginning and at the end of the remediation process. After a period of two years, landfarming has been successful and has reduce superficial soil TPH concentration from in excess of 140000 mg/kg to values...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 21–23, 2014
Paper Number: SPE-169449-MS
... be deactivated. Phosphorus is in its composition, which is one of the macronutrients of bacteria. If for any reason the bactericide deactivated or its concentration decreases below the lethal dose, it is possible that it promotes microbiological contamination. [ 3 , 4 ]. - THPS : possesses phosphorus in its...
Proceedings Papers

Paper presented at the SPE Middle East Oil and Gas Show and Conference, March 12–15, 2005
Paper Number: SPE-93666-MS
... of nutrients to the soil is therefore reduced resulting in an impoverished soil. Organic matter in soils is considered to be a store of N, P and S, which are plant macronutrients. 31 In terrestrial ecosystems, most soil organisms that are important in soil nutrient replenishment and aeration are dependent...
Proceedings Papers

Paper presented at the SPE/EPA/DOE Exploration and Production Environmental Conference, March 10–12, 2003
Paper Number: SPE-80596-MS
.... Phosphorus and potassium are other macronutrients, which provide a positive response and significantly enhance biodegradation when added to the hydrocarbon impacted or treated soil. A nitrogen:phosphorous:potassium (N:P:K) ratio of 4:1:1 provides a good balance and highly satisfactory remediation results...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2669965-MS
.... Concentrations of carbon, nitrogen and phosphorus species confirm the shale system is not oligotrophic or limited for key macronutrients. The increasing concentrations of redox-active elements and reduced electron acceptors strongly suggests an active anaerobic microbial community exists in the well involved...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198799-MS
... that, the presence of the pollutant leads to a significant reduction in macronutrients like nitrogen and phosphorus ( Agbogidi, Eruotor, Akparobi Nnaji, 2007 ; Wibbe and Blanke, 1999 ). The pH of the crude oil polluted soil was acidic and is consistent with previous findings on the influence of hydrocarbon...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191558-MS
... removal is biotrickling filters (BTFs). In contrast to BFs, inorganic inert packing media is used in BTFs which does not consist of any inherent microorganisms or nutrients. Thus, a nutrient solution contains the necessary micro and macronutrients should continuously trickle through the system...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 10–13, 2014
Paper Number: SPE-171764-MS
... throughout the process. Phosphorous P - The orthophosphates, H 2 PO 4 − and HPO 4 , are the primary forms of phosphorus taken up by plants. Plant roots absorb phosphorus from the soil solution. In comparison to other macronutrients, the phosphorus concentration in the soil solution is much lower...
Proceedings Papers

Paper presented at the Latin American & Caribbean Petroleum Engineering Conference, April 15–18, 2007
Paper Number: SPE-108277-MS
... The experimental units were conformed by mixtures of soil and amendments. A high biological activity was evidenced caused by the composting process. There was macronutrients consumption, temperature changes along the process and improvement of physical characteristics of the mixtures like aspect (the soil turned...
Proceedings Papers

Paper presented at the SPE Asia Pacific Improved Oil Recovery Conference, October 25–26, 1999
Paper Number: SPE-57306-MS
... consist basically of seven types, namely water, energy source, carbon source, electron acceptor, essential minerals, nitrogen source, and growth factor. Some factors must be taken into account very carefully in case of MEOR; these are salinity, temperature, pH, macronutrient (such as sulfur, magnesium...
Proceedings Papers

Paper presented at the CORROSION 2013, March 17–21, 2013
Paper Number: NACE-2013-2543
...: Layout of the electrode specimens in the anode and cathode cell Test Medium The compositions of the artificial growth medium (AGM) was determined from the chemical analysis results of the field condensate samples. It contained macronutrients, trace elements stock and vitamins stock.19 Both cells were...
Proceedings Papers

Paper presented at the Fourth ISOPE Ocean Mining Symposium, September 23–27, 2001
Paper Number: ISOPE-M-01-014
... for roots allowing for penetration, 2) supply of water, 3) supply of air and particularly oxygen, 4) supply of nutrients and 5) buffering against adverse changes in pH and temperature. Most species need the following macronutrients from the soil; nitrogen, phosphorus, potassium, calcium, magnesium...
Proceedings Papers

Paper presented at the SNAME 20th Offshore Symposium, February 17, 2015
Paper Number: SNAME-TOS-2015-021
... on the component surface, under rust layers, or even under mill scale where this is not removed), the required micro-nutrients (Fe ions produced by the electrochemical corrosion process), an adequate supply of macronutrients, as well as electron acceptors such as sulfate or nitrate (seawater is rich in sulfates...
Proceedings Papers

Paper presented at the SPE Americas E&P Environmental and Safety Conference, March 23–25, 2009
Paper Number: SPE-120980-MS
... matter, buffer for macronutrient and micronutrient imbalances, and hopefully activate the development of soil microbes, thereby improving the physical and water-retentive properties of the disturbed soils. The approach used on this project was to re-establish microbial communities by providing "food...
Proceedings Papers

Paper presented at the SPE Health, Safety and Environment in Oil and Gas Exploration and Production Conference, June 9–12, 1996
Paper Number: SPE-35885-MS
... of oxygen-releasing compounds (i.e., MgOz), and possibly macronutrients (i.e., nitrogen and phosphorous). Natural attenuation was favorably receive and approved as an appropriate remedial alternative for these two sites. Periodic gauging and monitoring of key parameters will continue for a minimum period...
Proceedings Papers

Paper presented at the 20th World Petroleum Congress, December 4–8, 2011
Paper Number: WPC-20-2517
... in Pradhan et al. (2009); Cavalett and Ortega (2010); Tsoutsos et al. (2010) and Carraretto et al. (2004) is due to fossil fuels consumption. 4.1.6 Eutrophication Potential (ETP) Eutrophication covers all potential impacts of excessively high environmental levels of macronutrients, the most important...

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