Move to Environmentally Acceptable Products: How the OSPARCOM legislation affects the Introduction of New Products

Killaars, Janine; Finley, Pat

doi:10.2523/65044-ms

Cited by 5 publications

(2 citation statements)

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“…To help protect the environment in the North Sea, the OSPARCOM has implemented a system called the harmonized mandatory control system (HMCS) regulating the use and discharge of offshore exploration & production chemicals 1,2 . According to previous OSPARCOM regulations, each country has the right to implement their own stringent requirements other than those provided in the OSPARCOM guidelines.…”

Section: Background Informationmentioning

confidence: 99%

Environmentally Acceptable Cement Fluid Loss Additive

Bach¹,

Vijn²

2002

Proceedings of SPE International Conference on Health, Safety and Environment in Oil and Gas Exploration and Production

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Section: Background Informationmentioning

confidence: 99%

Environmentally Acceptable Cement Fluid Loss Additive

Bach¹,

Vijn²

2002

Proceedings of SPE International Conference on Health, Safety and Environment in Oil and Gas Exploration and Production

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“…A recent paper [14] pointed out that relatively poor thermal stability and gel syneresis are main disadvantages of chromium-based gels. These deficiencies, along with more severe regulations [15,16] for the use and discharge of oilfield chemicals, stimulated investigations to find alternative crosslinkers with better performance and environmental acceptance. Zirconium has been identified as such a promising candidate [10,[17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Characteristics of Microgels Designed for Water Shutoff and Profile Control

Feng¹,

Rene²,

Renard³

et al. 2003

Proceedings of International Symposium on Oilfield Chemistry

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TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractTwo microgel samples were prepared by crosslinking an acrylamide-based terpolymer solution with a non-toxic zirconium crosslinker under controlled shear flow. The characteristics of these two microgel samples were determined by using different laboratory techniques in order to evaluate their performances for water shutoff or profile control operations. The microgel size was measured by Photon Correlation Spectroscopy (PCS) in dilute regime and at small scattering vector. As predicted by our theoretical model, microgel size decreases as the -1/3 power of applied shear rate. The size of these microgels is almost independent of pH, salinity and temperature in the domain investigated. Their mechanical and thermal stability is also satisfactory. In addition, such microgels can be easily injected into porous media without any sign of plugging. All these results suggest that these microgels should be good candidates for water shutoff and profile control operations. However, a further investigation is required to optimize their preparation to obtain the desired properties for a given application.

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